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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "replacements.h"
  37 #include "target.h"
  38 #include "target_request.h"
  39
  40 #include "log.h"
  41 #include "configuration.h"
  42 #include "binarybuffer.h"
  43 #include "jtag.h"
  44
  45 #include <string.h>
  46 #include <stdlib.h>
  47 #include <inttypes.h>
  48
  49 #include <sys/types.h>
  50 #include <sys/stat.h>
  51 #include <unistd.h>
  52 #include <errno.h>
  53
  54 #include <sys/time.h>
  55 #include <time.h>
  56
  57 #include <time_support.h>
  58
  59 #include <fileio.h>
  60 #include <image.h>
  61
  62 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
  63
  64 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65
  66 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  80 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  81 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  82 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  83 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  84 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  85 int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  86 int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  87
  88 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  89 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  90 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  91
  92 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  93 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  94
  95 /* targets */
  96 extern target_type_t arm7tdmi_target;
  97 extern target_type_t arm720t_target;
  98 extern target_type_t arm9tdmi_target;
  99 extern target_type_t arm920t_target;
 100 extern target_type_t arm966e_target;
 101 extern target_type_t arm926ejs_target;
 102 extern target_type_t feroceon_target;
 103 extern target_type_t xscale_target;
 104 extern target_type_t cortexm3_target;
 105 extern target_type_t arm11_target;
 106 extern target_type_t mips_m4k_target;
 107
 108 target_type_t *target_types[] =
 109 {
 110         &arm7tdmi_target,
 111         &arm9tdmi_target,
 112         &arm920t_target,
 113         &arm720t_target,
 114         &arm966e_target,
 115         &arm926ejs_target,
 116         &feroceon_target,
 117         &xscale_target,
 118         &cortexm3_target,
 119         &arm11_target,
 120         &mips_m4k_target,
 121         NULL,
 122 };
 123
 124 target_t *all_targets = NULL;
 125 target_event_callback_t *target_event_callbacks = NULL;
 126 target_timer_callback_t *target_timer_callbacks = NULL;
 127
 128 const Jim_Nvp nvp_assert[] = {
 129         { .name = "assert", NVP_ASSERT },
 130         { .name = "deassert", NVP_DEASSERT },
 131         { .name = "T", NVP_ASSERT },
 132         { .name = "F", NVP_DEASSERT },
 133         { .name = "t", NVP_ASSERT },
 134         { .name = "f", NVP_DEASSERT },
 135         { .name = NULL, .value = -1 }
 136 };
 137
 138 const Jim_Nvp nvp_error_target[] = {
 139         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 140         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 141         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 142         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 143         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 144         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 145         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 146         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 147         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 148         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 149         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 150         { .value = -1, .name = NULL }
 151 };
 152
 153 const char *target_strerror_safe( int err )
 154 {
 155         const Jim_Nvp *n;
 156
 157         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 158         if( n->name == NULL ){
 159                 return "unknown";
 160         } else {
 161                 return n->name;
 162         }
 163 }
 164
 165 const Jim_Nvp nvp_target_event[] = {
 166         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 167         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 168
 169         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 170         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 171         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 172         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 173         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 174
 175         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 176         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 177
 178         /* historical name */
 179
 180         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 181
 182         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 183         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 184         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 185         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 186         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 187         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 188         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 189         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 190         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 191         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 192
 193         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 194         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 195
 196         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 197         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 198
 199         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 200         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 201
 202         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 203         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 204
 205         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 206         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 207
 208         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 209         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 210         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 211
 212         { .name = NULL, .value = -1 }
 213 };
 214
 215 const Jim_Nvp nvp_target_state[] = {
 216         { .name = "unknown", .value = TARGET_UNKNOWN },
 217         { .name = "running", .value = TARGET_RUNNING },
 218         { .name = "halted",  .value = TARGET_HALTED },
 219         { .name = "reset",   .value = TARGET_RESET },
 220         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 221         { .name = NULL, .value = -1 },
 222 };
 223
 224 const Jim_Nvp nvp_target_debug_reason [] = {
 225         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 226         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 227         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 228         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 229         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 230         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 231         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 232         { .name = NULL, .value = -1 },
 233 };
 234
 235
 236 const Jim_Nvp nvp_target_endian[] = {
 237         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 238         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 239         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 240         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 241         { .name = NULL,     .value = -1 },
 242 };
 243
 244 const Jim_Nvp nvp_reset_modes[] = {
 245         { .name = "unknown", .value = RESET_UNKNOWN },
 246         { .name = "run"    , .value = RESET_RUN },
 247         { .name = "halt"   , .value = RESET_HALT },
 248         { .name = "init"   , .value = RESET_INIT },
 249         { .name = NULL     , .value = -1 },
 250 };
 251
 252 static int
 253 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
 271 new_target_number( void )
 272 {
 273         target_t *t;
 274         int x;
 275
 276         /* number is 0 based */
 277         x = -1;
 278         t = all_targets;
 279         while(t){
 280                 if( x < t->target_number ){
 281                         x = t->target_number;
 282                 }
 283                 t = t->next;
 284         }
 285         return x+1;
 286 }
 287
 288 static int target_continous_poll = 1;
 289
 290 /* read a u32 from a buffer in target memory endianness */
 291 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 292 {
 293         if (target->endianness == TARGET_LITTLE_ENDIAN)
 294                 return le_to_h_u32(buffer);
 295         else
 296                 return be_to_h_u32(buffer);
 297 }
 298
 299 /* read a u16 from a buffer in target memory endianness */
 300 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 301 {
 302         if (target->endianness == TARGET_LITTLE_ENDIAN)
 303                 return le_to_h_u16(buffer);
 304         else
 305                 return be_to_h_u16(buffer);
 306 }
 307
 308 /* read a u8 from a buffer in target memory endianness */
 309 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 310 {
 311         return *buffer & 0x0ff;
 312 }
 313
 314 /* write a u32 to a buffer in target memory endianness */
 315 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 316 {
 317         if (target->endianness == TARGET_LITTLE_ENDIAN)
 318                 h_u32_to_le(buffer, value);
 319         else
 320                 h_u32_to_be(buffer, value);
 321 }
 322
 323 /* write a u16 to a buffer in target memory endianness */
 324 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 325 {
 326         if (target->endianness == TARGET_LITTLE_ENDIAN)
 327                 h_u16_to_le(buffer, value);
 328         else
 329                 h_u16_to_be(buffer, value);
 330 }
 331
 332 /* write a u8 to a buffer in target memory endianness */
 333 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 334 {
 335         *buffer = value;
 336 }
 337
 338 /* returns a pointer to the n-th configured target */
 339 target_t* get_target_by_num(int num)
 340 {
 341         target_t *target = all_targets;
 342
 343         while (target){
 344                 if( target->target_number == num ){
 345                         return target;
 346                 }
 347                 target = target->next;
 348         }
 349
 350         return NULL;
 351 }
 352
 353 int get_num_by_target(target_t *query_target)
 354 {
 355         return query_target->target_number;
 356 }
 357
 358 target_t* get_current_target(command_context_t *cmd_ctx)
 359 {
 360         target_t *target = get_target_by_num(cmd_ctx->current_target);
 361
 362         if (target == NULL)
 363         {
 364                 LOG_ERROR("BUG: current_target out of bounds");
 365                 exit(-1);
 366         }
 367
 368         return target;
 369 }
 370
 371 int target_poll(struct target_s *target)
 372 {
 373         /* We can't poll until after examine */
 374         if (!target->type->examined)
 375         {
 376                 /* Fail silently lest we pollute the log */
 377                 return ERROR_FAIL;
 378         }
 379         return target->type->poll(target);
 380 }
 381
 382 int target_halt(struct target_s *target)
 383 {
 384         /* We can't poll until after examine */
 385         if (!target->type->examined)
 386         {
 387                 LOG_ERROR("Target not examined yet");
 388                 return ERROR_FAIL;
 389         }
 390         return target->type->halt(target);
 391 }
 392
 393 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 394 {
 395         int retval;
 396
 397         /* We can't poll until after examine */
 398         if (!target->type->examined)
 399         {
 400                 LOG_ERROR("Target not examined yet");
 401                 return ERROR_FAIL;
 402         }
 403
 404         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 405          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 406          * the application.
 407          */
 408         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 409                 return retval;
 410
 411         return retval;
 412 }
 413
 414 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 415 {
 416         char buf[100];
 417         int retval;
 418         Jim_Nvp *n;
 419         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 420         if( n->name == NULL ){
 421                 LOG_ERROR("invalid reset mode");
 422                 return ERROR_FAIL;
 423         }
 424
 425         sprintf( buf, "ocd_process_reset %s", n->name );
 426         retval = Jim_Eval( interp, buf );
 427
 428         if(retval != JIM_OK) {
 429                 Jim_PrintErrorMessage(interp);
 430                 return ERROR_FAIL;
 431         }
 432
 433         /* We want any events to be processed before the prompt */
 434         retval = target_call_timer_callbacks_now();
 435
 436         return retval;
 437 }
 438
 439 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 440 {
 441         *physical = virtual;
 442         return ERROR_OK;
 443 }
 444
 445 static int default_mmu(struct target_s *target, int *enabled)
 446 {
 447         *enabled = 0;
 448         return ERROR_OK;
 449 }
 450
 451 static int default_examine(struct target_s *target)
 452 {
 453         target->type->examined = 1;
 454         return ERROR_OK;
 455 }
 456
 457 /* Targets that correctly implement init+examine, i.e.
 458  * no communication with target during init:
 459  *
 460  * XScale
 461  */
 462 int target_examine(void)
 463 {
 464         int retval = ERROR_OK;
 465         target_t *target = all_targets;
 466         while (target)
 467         {
 468                 if ((retval = target->type->examine(target))!=ERROR_OK)
 469                         return retval;
 470                 target = target->next;
 471         }
 472         return retval;
 473 }
 474
 475 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 476 {
 477         if (!target->type->examined)
 478         {
 479                 LOG_ERROR("Target not examined yet");
 480                 return ERROR_FAIL;
 481         }
 482         return target->type->write_memory_imp(target, address, size, count, buffer);
 483 }
 484
 485 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 486 {
 487         if (!target->type->examined)
 488         {
 489                 LOG_ERROR("Target not examined yet");
 490                 return ERROR_FAIL;
 491         }
 492         return target->type->read_memory_imp(target, address, size, count, buffer);
 493 }
 494
 495 static int target_soft_reset_halt_imp(struct target_s *target)
 496 {
 497         if (!target->type->examined)
 498         {
 499                 LOG_ERROR("Target not examined yet");
 500                 return ERROR_FAIL;
 501         }
 502         return target->type->soft_reset_halt_imp(target);
 503 }
 504
 505 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)
 506 {
 507         if (!target->type->examined)
 508         {
 509                 LOG_ERROR("Target not examined yet");
 510                 return ERROR_FAIL;
 511         }
 512         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);
 513 }
 514
 515 int target_init(struct command_context_s *cmd_ctx)
 516 {
 517         target_t *target = all_targets;
 518         int retval;
 519
 520         while (target)
 521         {
 522                 target->type->examined = 0;
 523                 if (target->type->examine == NULL)
 524                 {
 525                         target->type->examine = default_examine;
 526                 }
 527
 528                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 529                 {
 530                         LOG_ERROR("target '%s' init failed", target->type->name);
 531                         return retval;
 532                 }
 533
 534                 /* Set up default functions if none are provided by target */
 535                 if (target->type->virt2phys == NULL)
 536                 {
 537                         target->type->virt2phys = default_virt2phys;
 538                 }
 539                 target->type->virt2phys = default_virt2phys;
 540                 /* a non-invasive way(in terms of patches) to add some code that
 541                  * runs before the type->write/read_memory implementation
 542                  */
 543                 target->type->write_memory_imp = target->type->write_memory;
 544                 target->type->write_memory = target_write_memory_imp;
 545                 target->type->read_memory_imp = target->type->read_memory;
 546                 target->type->read_memory = target_read_memory_imp;
 547                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 548                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 549                 target->type->run_algorithm_imp = target->type->run_algorithm;
 550                 target->type->run_algorithm = target_run_algorithm_imp;
 551
 552                 if (target->type->mmu == NULL)
 553                 {
 554                         target->type->mmu = default_mmu;
 555                 }
 556                 target = target->next;
 557         }
 558
 559         if (all_targets)
 560         {
 561                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 562                         return retval;
 563                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 564                         return retval;
 565         }
 566
 567         return ERROR_OK;
 568 }
 569
 570 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 571 {
 572         target_event_callback_t **callbacks_p = &target_event_callbacks;
 573
 574         if (callback == NULL)
 575         {
 576                 return ERROR_INVALID_ARGUMENTS;
 577         }
 578
 579         if (*callbacks_p)
 580         {
 581                 while ((*callbacks_p)->next)
 582                         callbacks_p = &((*callbacks_p)->next);
 583                 callbacks_p = &((*callbacks_p)->next);
 584         }
 585
 586         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 587         (*callbacks_p)->callback = callback;
 588         (*callbacks_p)->priv = priv;
 589         (*callbacks_p)->next = NULL;
 590
 591         return ERROR_OK;
 592 }
 593
 594 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 595 {
 596         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 597         struct timeval now;
 598
 599         if (callback == NULL)
 600         {
 601                 return ERROR_INVALID_ARGUMENTS;
 602         }
 603
 604         if (*callbacks_p)
 605         {
 606                 while ((*callbacks_p)->next)
 607                         callbacks_p = &((*callbacks_p)->next);
 608                 callbacks_p = &((*callbacks_p)->next);
 609         }
 610
 611         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 612         (*callbacks_p)->callback = callback;
 613         (*callbacks_p)->periodic = periodic;
 614         (*callbacks_p)->time_ms = time_ms;
 615
 616         gettimeofday(&now, NULL);
 617         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 618         time_ms -= (time_ms % 1000);
 619         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 620         if ((*callbacks_p)->when.tv_usec > 1000000)
 621         {
 622                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 623                 (*callbacks_p)->when.tv_sec += 1;
 624         }
 625
 626         (*callbacks_p)->priv = priv;
 627         (*callbacks_p)->next = NULL;
 628
 629         return ERROR_OK;
 630 }
 631
 632 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 633 {
 634         target_event_callback_t **p = &target_event_callbacks;
 635         target_event_callback_t *c = target_event_callbacks;
 636
 637         if (callback == NULL)
 638         {
 639                 return ERROR_INVALID_ARGUMENTS;
 640         }
 641
 642         while (c)
 643         {
 644                 target_event_callback_t *next = c->next;
 645                 if ((c->callback == callback) && (c->priv == priv))
 646                 {
 647                         *p = next;
 648                         free(c);
 649                         return ERROR_OK;
 650                 }
 651                 else
 652                         p = &(c->next);
 653                 c = next;
 654         }
 655
 656         return ERROR_OK;
 657 }
 658
 659 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 660 {
 661         target_timer_callback_t **p = &target_timer_callbacks;
 662         target_timer_callback_t *c = target_timer_callbacks;
 663
 664         if (callback == NULL)
 665         {
 666                 return ERROR_INVALID_ARGUMENTS;
 667         }
 668
 669         while (c)
 670         {
 671                 target_timer_callback_t *next = c->next;
 672                 if ((c->callback == callback) && (c->priv == priv))
 673                 {
 674                         *p = next;
 675                         free(c);
 676                         return ERROR_OK;
 677                 }
 678                 else
 679                         p = &(c->next);
 680                 c = next;
 681         }
 682
 683         return ERROR_OK;
 684 }
 685
 686 int target_call_event_callbacks(target_t *target, enum target_event event)
 687 {
 688         target_event_callback_t *callback = target_event_callbacks;
 689         target_event_callback_t *next_callback;
 690
 691         if (event == TARGET_EVENT_HALTED)
 692         {
 693                 /* execute early halted first */
 694                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 695         }
 696
 697         LOG_DEBUG("target event %i (%s)",
 698                           event,
 699                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 700
 701         target_handle_event( target, event );
 702
 703         while (callback)
 704         {
 705                 next_callback = callback->next;
 706                 callback->callback(target, event, callback->priv);
 707                 callback = next_callback;
 708         }
 709
 710         return ERROR_OK;
 711 }
 712
 713 static int target_call_timer_callbacks_check_time(int checktime)
 714 {
 715         target_timer_callback_t *callback = target_timer_callbacks;
 716         target_timer_callback_t *next_callback;
 717         struct timeval now;
 718
 719         keep_alive();
 720
 721         gettimeofday(&now, NULL);
 722
 723         while (callback)
 724         {
 725                 next_callback = callback->next;
 726
 727                 if ((!checktime&&callback->periodic)||
 728                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 729                                                 || (now.tv_sec > callback->when.tv_sec)))
 730                 {
 731                         if(callback->callback != NULL)
 732                         {
 733                                 callback->callback(callback->priv);
 734                                 if (callback->periodic)
 735                                 {
 736                                         int time_ms = callback->time_ms;
 737                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 738                                         time_ms -= (time_ms % 1000);
 739                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 740                                         if (callback->when.tv_usec > 1000000)
 741                                         {
 742                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 743                                                 callback->when.tv_sec += 1;
 744                                         }
 745                                 }
 746                                 else
 747                                 {
 748                                         int retval;
 749                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 750                                                 return retval;
 751                                 }
 752                         }
 753                 }
 754
 755                 callback = next_callback;
 756         }
 757
 758         return ERROR_OK;
 759 }
 760
 761 int target_call_timer_callbacks(void)
 762 {
 763         return target_call_timer_callbacks_check_time(1);
 764 }
 765
 766 /* invoke periodic callbacks immediately */
 767 int target_call_timer_callbacks_now(void)
 768 {
 769         return target_call_timer_callbacks_check_time(0);
 770 }
 771
 772 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 773 {
 774         working_area_t *c = target->working_areas;
 775         working_area_t *new_wa = NULL;
 776
 777         /* Reevaluate working area address based on MMU state*/
 778         if (target->working_areas == NULL)
 779         {
 780                 int retval;
 781                 int enabled;
 782                 retval = target->type->mmu(target, &enabled);
 783                 if (retval != ERROR_OK)
 784                 {
 785                         return retval;
 786                 }
 787                 if (enabled)
 788                 {
 789                         target->working_area = target->working_area_virt;
 790                 }
 791                 else
 792                 {
 793                         target->working_area = target->working_area_phys;
 794                 }
 795         }
 796
 797         /* only allocate multiples of 4 byte */
 798         if (size % 4)
 799         {
 800                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 801                 size = CEIL(size, 4);
 802         }
 803
 804         /* see if there's already a matching working area */
 805         while (c)
 806         {
 807                 if ((c->free) && (c->size == size))
 808                 {
 809                         new_wa = c;
 810                         break;
 811                 }
 812                 c = c->next;
 813         }
 814
 815         /* if not, allocate a new one */
 816         if (!new_wa)
 817         {
 818                 working_area_t **p = &target->working_areas;
 819                 u32 first_free = target->working_area;
 820                 u32 free_size = target->working_area_size;
 821
 822                 LOG_DEBUG("allocating new working area");
 823
 824                 c = target->working_areas;
 825                 while (c)
 826                 {
 827                         first_free += c->size;
 828                         free_size -= c->size;
 829                         p = &c->next;
 830                         c = c->next;
 831                 }
 832
 833                 if (free_size < size)
 834                 {
 835                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 836                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 837                 }
 838
 839                 new_wa = malloc(sizeof(working_area_t));
 840                 new_wa->next = NULL;
 841                 new_wa->size = size;
 842                 new_wa->address = first_free;
 843
 844                 if (target->backup_working_area)
 845                 {
 846                         int retval;
 847                         new_wa->backup = malloc(new_wa->size);
 848                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 849                         {
 850                                 free(new_wa->backup);
 851                                 free(new_wa);
 852                                 return retval;
 853                         }
 854                 }
 855                 else
 856                 {
 857                         new_wa->backup = NULL;
 858                 }
 859
 860                 /* put new entry in list */
 861                 *p = new_wa;
 862         }
 863
 864         /* mark as used, and return the new (reused) area */
 865         new_wa->free = 0;
 866         *area = new_wa;
 867
 868         /* user pointer */
 869         new_wa->user = area;
 870
 871         return ERROR_OK;
 872 }
 873
 874 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 875 {
 876         if (area->free)
 877                 return ERROR_OK;
 878
 879         if (restore&&target->backup_working_area)
 880         {
 881                 int retval;
 882                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 883                         return retval;
 884         }
 885
 886         area->free = 1;
 887
 888         /* mark user pointer invalid */
 889         *area->user = NULL;
 890         area->user = NULL;
 891
 892         return ERROR_OK;
 893 }
 894
 895 int target_free_working_area(struct target_s *target, working_area_t *area)
 896 {
 897         return target_free_working_area_restore(target, area, 1);
 898 }
 899
 900 /* free resources and restore memory, if restoring memory fails,
 901  * free up resources anyway
 902  */
 903 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 904 {
 905         working_area_t *c = target->working_areas;
 906
 907         while (c)
 908         {
 909                 working_area_t *next = c->next;
 910                 target_free_working_area_restore(target, c, restore);
 911
 912                 if (c->backup)
 913                         free(c->backup);
 914
 915                 free(c);
 916
 917                 c = next;
 918         }
 919
 920         target->working_areas = NULL;
 921 }
 922
 923 void target_free_all_working_areas(struct target_s *target)
 924 {
 925         target_free_all_working_areas_restore(target, 1);
 926 }
 927
 928 int target_register_commands(struct command_context_s *cmd_ctx)
 929 {
 930
 931         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)");
 932         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
 933         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
 934
 935         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
 936                         "same args as load_image, image stored in memory - mainly for profiling purposes");
 937
 938         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
 939                         "loads active fast load image to current target - mainly for profiling purposes");
 940
 941
 942
 943         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 944
 945
 946         /* script procedures */
 947         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
 948         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
 949         return ERROR_OK;
 950 }
 951
 952 int target_arch_state(struct target_s *target)
 953 {
 954         int retval;
 955         if (target==NULL)
 956         {
 957                 LOG_USER("No target has been configured");
 958                 return ERROR_OK;
 959         }
 960
 961         LOG_USER("target state: %s",
 962                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 963
 964         if (target->state!=TARGET_HALTED)
 965                 return ERROR_OK;
 966
 967         retval=target->type->arch_state(target);
 968         return retval;
 969 }
 970
 971 /* Single aligned words are guaranteed to use 16 or 32 bit access
 972  * mode respectively, otherwise data is handled as quickly as
 973  * possible
 974  */
 975 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 976 {
 977         int retval;
 978         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 979
 980         if (!target->type->examined)
 981         {
 982                 LOG_ERROR("Target not examined yet");
 983                 return ERROR_FAIL;
 984         }
 985
 986         if ((address + size - 1) < address)
 987         {
 988                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 989                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 990                 return ERROR_FAIL;
 991         }
 992
 993         if (((address % 2) == 0) && (size == 2))
 994         {
 995                 return target->type->write_memory(target, address, 2, 1, buffer);
 996         }
 997
 998         /* handle unaligned head bytes */
 999         if (address % 4)
1000         {
1001                 int unaligned = 4 - (address % 4);
1002
1003                 if (unaligned > size)
1004                         unaligned = size;
1005
1006                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1007                         return retval;
1008
1009                 buffer += unaligned;
1010                 address += unaligned;
1011                 size -= unaligned;
1012         }
1013
1014         /* handle aligned words */
1015         if (size >= 4)
1016         {
1017                 int aligned = size - (size % 4);
1018
1019                 /* use bulk writes above a certain limit. This may have to be changed */
1020                 if (aligned > 128)
1021                 {
1022                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1023                                 return retval;
1024                 }
1025                 else
1026                 {
1027                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1028                                 return retval;
1029                 }
1030
1031                 buffer += aligned;
1032                 address += aligned;
1033                 size -= aligned;
1034         }
1035
1036         /* handle tail writes of less than 4 bytes */
1037         if (size > 0)
1038         {
1039                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1040                         return retval;
1041         }
1042
1043         return ERROR_OK;
1044 }
1045
1046 /* Single aligned words are guaranteed to use 16 or 32 bit access
1047  * mode respectively, otherwise data is handled as quickly as
1048  * possible
1049  */
1050 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1051 {
1052         int retval;
1053         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1054
1055         if (!target->type->examined)
1056         {
1057                 LOG_ERROR("Target not examined yet");
1058                 return ERROR_FAIL;
1059         }
1060
1061         if ((address + size - 1) < address)
1062         {
1063                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1064                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1065                 return ERROR_FAIL;
1066         }
1067
1068         if (((address % 2) == 0) && (size == 2))
1069         {
1070                 return target->type->read_memory(target, address, 2, 1, buffer);
1071         }
1072
1073         /* handle unaligned head bytes */
1074         if (address % 4)
1075         {
1076                 int unaligned = 4 - (address % 4);
1077
1078                 if (unaligned > size)
1079                         unaligned = size;
1080
1081                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1082                         return retval;
1083
1084                 buffer += unaligned;
1085                 address += unaligned;
1086                 size -= unaligned;
1087         }
1088
1089         /* handle aligned words */
1090         if (size >= 4)
1091         {
1092                 int aligned = size - (size % 4);
1093
1094                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1095                         return retval;
1096
1097                 buffer += aligned;
1098                 address += aligned;
1099                 size -= aligned;
1100         }
1101
1102         /* handle tail writes of less than 4 bytes */
1103         if (size > 0)
1104         {
1105                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1106                         return retval;
1107         }
1108
1109         return ERROR_OK;
1110 }
1111
1112 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1113 {
1114         u8 *buffer;
1115         int retval;
1116         int i;
1117         u32 checksum = 0;
1118         if (!target->type->examined)
1119         {
1120                 LOG_ERROR("Target not examined yet");
1121                 return ERROR_FAIL;
1122         }
1123
1124         if ((retval = target->type->checksum_memory(target, address,
1125                 size, &checksum)) != ERROR_OK)
1126         {
1127                 buffer = malloc(size);
1128                 if (buffer == NULL)
1129                 {
1130                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1131                         return ERROR_INVALID_ARGUMENTS;
1132                 }
1133                 retval = target_read_buffer(target, address, size, buffer);
1134                 if (retval != ERROR_OK)
1135                 {
1136                         free(buffer);
1137                         return retval;
1138                 }
1139
1140                 /* convert to target endianess */
1141                 for (i = 0; i < (size/sizeof(u32)); i++)
1142                 {
1143                         u32 target_data;
1144                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1145                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1146                 }
1147
1148                 retval = image_calculate_checksum( buffer, size, &checksum );
1149                 free(buffer);
1150         }
1151
1152         *crc = checksum;
1153
1154         return retval;
1155 }
1156
1157 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1158 {
1159         int retval;
1160         if (!target->type->examined)
1161         {
1162                 LOG_ERROR("Target not examined yet");
1163                 return ERROR_FAIL;
1164         }
1165
1166         if (target->type->blank_check_memory == 0)
1167                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1168
1169         retval = target->type->blank_check_memory(target, address, size, blank);
1170
1171         return retval;
1172 }
1173
1174 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1175 {
1176         u8 value_buf[4];
1177         if (!target->type->examined)
1178         {
1179                 LOG_ERROR("Target not examined yet");
1180                 return ERROR_FAIL;
1181         }
1182
1183         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1184
1185         if (retval == ERROR_OK)
1186         {
1187                 *value = target_buffer_get_u32(target, value_buf);
1188                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1189         }
1190         else
1191         {
1192                 *value = 0x0;
1193                 LOG_DEBUG("address: 0x%8.8x failed", address);
1194         }
1195
1196         return retval;
1197 }
1198
1199 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1200 {
1201         u8 value_buf[2];
1202         if (!target->type->examined)
1203         {
1204                 LOG_ERROR("Target not examined yet");
1205                 return ERROR_FAIL;
1206         }
1207
1208         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1209
1210         if (retval == ERROR_OK)
1211         {
1212                 *value = target_buffer_get_u16(target, value_buf);
1213                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1214         }
1215         else
1216         {
1217                 *value = 0x0;
1218                 LOG_DEBUG("address: 0x%8.8x failed", address);
1219         }
1220
1221         return retval;
1222 }
1223
1224 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1225 {
1226         int retval = target->type->read_memory(target, address, 1, 1, value);
1227         if (!target->type->examined)
1228         {
1229                 LOG_ERROR("Target not examined yet");
1230                 return ERROR_FAIL;
1231         }
1232
1233         if (retval == ERROR_OK)
1234         {
1235                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1236         }
1237         else
1238         {
1239                 *value = 0x0;
1240                 LOG_DEBUG("address: 0x%8.8x failed", address);
1241         }
1242
1243         return retval;
1244 }
1245
1246 int target_write_u32(struct target_s *target, u32 address, u32 value)
1247 {
1248         int retval;
1249         u8 value_buf[4];
1250         if (!target->type->examined)
1251         {
1252                 LOG_ERROR("Target not examined yet");
1253                 return ERROR_FAIL;
1254         }
1255
1256         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1257
1258         target_buffer_set_u32(target, value_buf, value);
1259         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1260         {
1261                 LOG_DEBUG("failed: %i", retval);
1262         }
1263
1264         return retval;
1265 }
1266
1267 int target_write_u16(struct target_s *target, u32 address, u16 value)
1268 {
1269         int retval;
1270         u8 value_buf[2];
1271         if (!target->type->examined)
1272         {
1273                 LOG_ERROR("Target not examined yet");
1274                 return ERROR_FAIL;
1275         }
1276
1277         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1278
1279         target_buffer_set_u16(target, value_buf, value);
1280         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1281         {
1282                 LOG_DEBUG("failed: %i", retval);
1283         }
1284
1285         return retval;
1286 }
1287
1288 int target_write_u8(struct target_s *target, u32 address, u8 value)
1289 {
1290         int retval;
1291         if (!target->type->examined)
1292         {
1293                 LOG_ERROR("Target not examined yet");
1294                 return ERROR_FAIL;
1295         }
1296
1297         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1298
1299         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1300         {
1301                 LOG_DEBUG("failed: %i", retval);
1302         }
1303
1304         return retval;
1305 }
1306
1307 int target_register_user_commands(struct command_context_s *cmd_ctx)
1308 {
1309         int retval = ERROR_OK;
1310         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1311         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1312         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1313         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1314         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1315         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1316         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1317         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1318
1319         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1320         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1321         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1322
1323         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1324         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1325         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1326
1327         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1328         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1329         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1330         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1331
1332         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]");
1333         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1334         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1335
1336         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1337                 return retval;
1338         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1339                 return retval;
1340
1341         return retval;
1342 }
1343
1344 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1345 {
1346         char *cp;
1347         target_t *target = all_targets;
1348
1349         if (argc == 1)
1350         {
1351                 /* try as tcltarget name */
1352                 for( target = all_targets ; target ; target = target->next ){
1353                   if( target->cmd_name ){
1354                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1355                                 /* MATCH */
1356                                 goto Match;
1357                         }
1358                   }
1359                 }
1360                 /* no match, try as number */
1361
1362                 int num = strtoul(args[0], &cp, 0 );
1363                 if( *cp != 0 ){
1364                         /* then it was not a number */
1365                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1366                         goto DumpTargets;
1367                 }
1368
1369                 target = get_target_by_num( num );
1370                 if( target == NULL ){
1371                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1372                         goto DumpTargets;
1373                 }
1374         Match:
1375                 cmd_ctx->current_target = target->target_number;
1376                 return ERROR_OK;
1377         }
1378 DumpTargets:
1379
1380         target = all_targets;
1381         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1382         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1383         while (target)
1384         {
1385                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1386                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1387                                           target->target_number,
1388                                           target->cmd_name,
1389                                           target->type->name,
1390                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1391                                           target->tap->abs_chain_position,
1392                                           target->tap->dotted_name,
1393                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1394                 target = target->next;
1395         }
1396
1397         return ERROR_OK;
1398 }
1399
1400 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1401
1402 static int powerDropout;
1403 static int srstAsserted;
1404
1405 static int runPowerRestore;
1406 static int runPowerDropout;
1407 static int runSrstAsserted;
1408 static int runSrstDeasserted;
1409
1410 static int sense_handler(void)
1411 {
1412         static int prevSrstAsserted = 0;
1413         static int prevPowerdropout = 0;
1414
1415         int retval;
1416         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1417                 return retval;
1418
1419         int powerRestored;
1420         powerRestored = prevPowerdropout && !powerDropout;
1421         if (powerRestored)
1422         {
1423                 runPowerRestore = 1;
1424         }
1425
1426         long long current = timeval_ms();
1427         static long long lastPower = 0;
1428         int waitMore = lastPower + 2000 > current;
1429         if (powerDropout && !waitMore)
1430         {
1431                 runPowerDropout = 1;
1432                 lastPower = current;
1433         }
1434
1435         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1436                 return retval;
1437
1438         int srstDeasserted;
1439         srstDeasserted = prevSrstAsserted && !srstAsserted;
1440
1441         static long long lastSrst = 0;
1442         waitMore = lastSrst + 2000 > current;
1443         if (srstDeasserted && !waitMore)
1444         {
1445                 runSrstDeasserted = 1;
1446                 lastSrst = current;
1447         }
1448
1449         if (!prevSrstAsserted && srstAsserted)
1450         {
1451                 runSrstAsserted = 1;
1452         }
1453
1454         prevSrstAsserted = srstAsserted;
1455         prevPowerdropout = powerDropout;
1456
1457         if (srstDeasserted || powerRestored)
1458         {
1459                 /* Other than logging the event we can't do anything here.
1460                  * Issuing a reset is a particularly bad idea as we might
1461                  * be inside a reset already.
1462                  */
1463         }
1464
1465         return ERROR_OK;
1466 }
1467
1468 /* process target state changes */
1469 int handle_target(void *priv)
1470 {
1471         int retval = ERROR_OK;
1472
1473         /* we do not want to recurse here... */
1474         static int recursive = 0;
1475         if (! recursive)
1476         {
1477                 recursive = 1;
1478                 sense_handler();
1479                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1480                  * We need to avoid an infinite loop/recursion here and we do that by
1481                  * clearing the flags after running these events.
1482                  */
1483                 int did_something = 0;
1484                 if (runSrstAsserted)
1485                 {
1486                         Jim_Eval( interp, "srst_asserted");
1487                         did_something = 1;
1488                 }
1489                 if (runSrstDeasserted)
1490                 {
1491                         Jim_Eval( interp, "srst_deasserted");
1492                         did_something = 1;
1493                 }
1494                 if (runPowerDropout)
1495                 {
1496                         Jim_Eval( interp, "power_dropout");
1497                         did_something = 1;
1498                 }
1499                 if (runPowerRestore)
1500                 {
1501                         Jim_Eval( interp, "power_restore");
1502                         did_something = 1;
1503                 }
1504
1505                 if (did_something)
1506                 {
1507                         /* clear detect flags */
1508                         sense_handler();
1509                 }
1510
1511                 /* clear action flags */
1512
1513                 runSrstAsserted=0;
1514                 runSrstDeasserted=0;
1515                 runPowerRestore=0;
1516                 runPowerDropout=0;
1517
1518                 recursive = 0;
1519         }
1520
1521         target_t *target = all_targets;
1522
1523         while (target)
1524         {
1525
1526                 /* only poll target if we've got power and srst isn't asserted */
1527                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1528                 {
1529                         /* polling may fail silently until the target has been examined */
1530                         if((retval = target_poll(target)) != ERROR_OK)
1531                                 return retval;
1532                 }
1533
1534                 target = target->next;
1535         }
1536
1537         return retval;
1538 }
1539
1540 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1541 {
1542         target_t *target;
1543         reg_t *reg = NULL;
1544         int count = 0;
1545         char *value;
1546
1547         LOG_DEBUG("-");
1548
1549         target = get_current_target(cmd_ctx);
1550
1551         /* list all available registers for the current target */
1552         if (argc == 0)
1553         {
1554                 reg_cache_t *cache = target->reg_cache;
1555
1556                 count = 0;
1557                 while(cache)
1558                 {
1559                         int i;
1560                         for (i = 0; i < cache->num_regs; i++)
1561                         {
1562                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1563                                 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);
1564                                 free(value);
1565                         }
1566                         cache = cache->next;
1567                 }
1568
1569                 return ERROR_OK;
1570         }
1571
1572         /* access a single register by its ordinal number */
1573         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1574         {
1575                 int num = strtoul(args[0], NULL, 0);
1576                 reg_cache_t *cache = target->reg_cache;
1577
1578                 count = 0;
1579                 while(cache)
1580                 {
1581                         int i;
1582                         for (i = 0; i < cache->num_regs; i++)
1583                         {
1584                                 if (count++ == num)
1585                                 {
1586                                         reg = &cache->reg_list[i];
1587                                         break;
1588                                 }
1589                         }
1590                         if (reg)
1591                                 break;
1592                         cache = cache->next;
1593                 }
1594
1595                 if (!reg)
1596                 {
1597                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1598                         return ERROR_OK;
1599                 }
1600         } else /* access a single register by its name */
1601         {
1602                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1603
1604                 if (!reg)
1605                 {
1606                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1607                         return ERROR_OK;
1608                 }
1609         }
1610
1611         /* display a register */
1612         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1613         {
1614                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1615                         reg->valid = 0;
1616
1617                 if (reg->valid == 0)
1618                 {
1619                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1620                         arch_type->get(reg);
1621                 }
1622                 value = buf_to_str(reg->value, reg->size, 16);
1623                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1624                 free(value);
1625                 return ERROR_OK;
1626         }
1627
1628         /* set register value */
1629         if (argc == 2)
1630         {
1631                 u8 *buf = malloc(CEIL(reg->size, 8));
1632                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1633
1634                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1635                 arch_type->set(reg, buf);
1636
1637                 value = buf_to_str(reg->value, reg->size, 16);
1638                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1639                 free(value);
1640
1641                 free(buf);
1642
1643                 return ERROR_OK;
1644         }
1645
1646         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1647
1648         return ERROR_OK;
1649 }
1650
1651 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1652 {
1653         int retval = ERROR_OK;
1654         target_t *target = get_current_target(cmd_ctx);
1655
1656         if (argc == 0)
1657         {
1658                 if((retval = target_poll(target)) != ERROR_OK)
1659                         return retval;
1660                 if((retval = target_arch_state(target)) != ERROR_OK)
1661                         return retval;
1662
1663         }
1664         else if (argc==1)
1665         {
1666                 if (strcmp(args[0], "on") == 0)
1667                 {
1668                         target_continous_poll = 1;
1669                 }
1670                 else if (strcmp(args[0], "off") == 0)
1671                 {
1672                         target_continous_poll = 0;
1673                 }
1674                 else
1675                 {
1676                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1677                 }
1678         } else
1679         {
1680                 return ERROR_COMMAND_SYNTAX_ERROR;
1681         }
1682
1683         return retval;
1684 }
1685
1686 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1687 {
1688         int ms = 5000;
1689
1690         if (argc > 0)
1691         {
1692                 char *end;
1693
1694                 ms = strtoul(args[0], &end, 0) * 1000;
1695                 if (*end)
1696                 {
1697                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1698                         return ERROR_OK;
1699                 }
1700         }
1701         target_t *target = get_current_target(cmd_ctx);
1702
1703         return target_wait_state(target, TARGET_HALTED, ms);
1704 }
1705
1706 int target_wait_state(target_t *target, enum target_state state, int ms)
1707 {
1708         int retval;
1709         struct timeval timeout, now;
1710         int once=1;
1711         gettimeofday(&timeout, NULL);
1712         timeval_add_time(&timeout, 0, ms * 1000);
1713
1714         for (;;)
1715         {
1716                 if ((retval=target_poll(target))!=ERROR_OK)
1717                         return retval;
1718                 keep_alive();
1719                 if (target->state == state)
1720                 {
1721                         break;
1722                 }
1723                 if (once)
1724                 {
1725                         once=0;
1726                         LOG_DEBUG("waiting for target %s...",
1727                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1728                 }
1729
1730                 gettimeofday(&now, NULL);
1731                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1732                 {
1733                         LOG_ERROR("timed out while waiting for target %s",
1734                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1735                         return ERROR_FAIL;
1736                 }
1737         }
1738
1739         return ERROR_OK;
1740 }
1741
1742 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1743 {
1744         int retval;
1745         target_t *target = get_current_target(cmd_ctx);
1746
1747         LOG_DEBUG("-");
1748
1749         if ((retval = target_halt(target)) != ERROR_OK)
1750         {
1751                 return retval;
1752         }
1753
1754         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1755 }
1756
1757 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1758 {
1759         target_t *target = get_current_target(cmd_ctx);
1760
1761         LOG_USER("requesting target halt and executing a soft reset");
1762
1763         target->type->soft_reset_halt(target);
1764
1765         return ERROR_OK;
1766 }
1767
1768 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1769 {
1770         const Jim_Nvp *n;
1771         enum target_reset_mode reset_mode = RESET_RUN;
1772
1773         if (argc >= 1)
1774         {
1775                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1776                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1777                         return ERROR_COMMAND_SYNTAX_ERROR;
1778                 }
1779                 reset_mode = n->value;
1780         }
1781
1782         /* reset *all* targets */
1783         return target_process_reset(cmd_ctx, reset_mode);
1784 }
1785
1786
1787 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1788 {
1789         int retval;
1790         target_t *target = get_current_target(cmd_ctx);
1791
1792         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1793
1794         if (argc == 0)
1795                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1796         else if (argc == 1)
1797                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1798         else
1799         {
1800                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1801         }
1802
1803         return retval;
1804 }
1805
1806 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1807 {
1808         target_t *target = get_current_target(cmd_ctx);
1809
1810         LOG_DEBUG("-");
1811
1812         if (argc == 0)
1813                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1814
1815         if (argc == 1)
1816                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1817
1818         return ERROR_OK;
1819 }
1820
1821 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1822 {
1823         const int line_bytecnt = 32;
1824         int count = 1;
1825         int size = 4;
1826         u32 address = 0;
1827         int line_modulo;
1828         int i;
1829
1830         char output[128];
1831         int output_len;
1832
1833         int retval;
1834
1835         u8 *buffer;
1836         target_t *target = get_current_target(cmd_ctx);
1837
1838         if (argc < 1)
1839                 return ERROR_OK;
1840
1841         if (argc == 2)
1842                 count = strtoul(args[1], NULL, 0);
1843
1844         address = strtoul(args[0], NULL, 0);
1845
1846         switch (cmd[2])
1847         {
1848                 case 'w':
1849                         size = 4; line_modulo = line_bytecnt / 4;
1850                         break;
1851                 case 'h':
1852                         size = 2; line_modulo = line_bytecnt / 2;
1853                         break;
1854                 case 'b':
1855                         size = 1; line_modulo = line_bytecnt / 1;
1856                         break;
1857                 default:
1858                         return ERROR_OK;
1859         }
1860
1861         buffer = calloc(count, size);
1862         retval  = target->type->read_memory(target, address, size, count, buffer);
1863         if (retval == ERROR_OK)
1864         {
1865                 output_len = 0;
1866
1867                 for (i = 0; i < count; i++)
1868                 {
1869                         if (i%line_modulo == 0)
1870                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1871
1872                         switch (size)
1873                         {
1874                                 case 4:
1875                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1876                                         break;
1877                                 case 2:
1878                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1879                                         break;
1880                                 case 1:
1881                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1882                                         break;
1883                         }
1884
1885                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1886                         {
1887                                 command_print(cmd_ctx, output);
1888                                 output_len = 0;
1889                         }
1890                 }
1891         }
1892
1893         free(buffer);
1894
1895         return retval;
1896 }
1897
1898 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1899 {
1900         u32 address = 0;
1901         u32 value = 0;
1902         int count = 1;
1903         int i;
1904         int wordsize;
1905         target_t *target = get_current_target(cmd_ctx);
1906         u8 value_buf[4];
1907
1908          if ((argc < 2) || (argc > 3))
1909                 return ERROR_COMMAND_SYNTAX_ERROR;
1910
1911         address = strtoul(args[0], NULL, 0);
1912         value = strtoul(args[1], NULL, 0);
1913         if (argc == 3)
1914                 count = strtoul(args[2], NULL, 0);
1915
1916         switch (cmd[2])
1917         {
1918                 case 'w':
1919                         wordsize = 4;
1920                         target_buffer_set_u32(target, value_buf, value);
1921                         break;
1922                 case 'h':
1923                         wordsize = 2;
1924                         target_buffer_set_u16(target, value_buf, value);
1925                         break;
1926                 case 'b':
1927                         wordsize = 1;
1928                         value_buf[0] = value;
1929                         break;
1930                 default:
1931                         return ERROR_COMMAND_SYNTAX_ERROR;
1932         }
1933         for (i=0; i<count; i++)
1934         {
1935                 int retval;
1936                 switch (wordsize)
1937                 {
1938                         case 4:
1939                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1940                                 break;
1941                         case 2:
1942                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1943                                 break;
1944                         case 1:
1945                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1946                         break;
1947                         default:
1948                         return ERROR_OK;
1949                 }
1950                 keep_alive();
1951
1952                 if (retval!=ERROR_OK)
1953                 {
1954                         return retval;
1955                 }
1956         }
1957
1958         return ERROR_OK;
1959
1960 }
1961
1962 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1963 {
1964         u8 *buffer;
1965         u32 buf_cnt;
1966         u32 image_size;
1967         u32 min_address=0;
1968         u32 max_address=0xffffffff;
1969         int i;
1970         int retval, retvaltemp;
1971
1972         image_t image;
1973
1974         duration_t duration;
1975         char *duration_text;
1976
1977         target_t *target = get_current_target(cmd_ctx);
1978
1979         if ((argc < 1)||(argc > 5))
1980         {
1981                 return ERROR_COMMAND_SYNTAX_ERROR;
1982         }
1983
1984         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1985         if (argc >= 2)
1986         {
1987                 image.base_address_set = 1;
1988                 image.base_address = strtoul(args[1], NULL, 0);
1989         }
1990         else
1991         {
1992                 image.base_address_set = 0;
1993         }
1994
1995
1996         image.start_address_set = 0;
1997
1998         if (argc>=4)
1999         {
2000                 min_address=strtoul(args[3], NULL, 0);
2001         }
2002         if (argc>=5)
2003         {
2004                 max_address=strtoul(args[4], NULL, 0)+min_address;
2005         }
2006
2007         if (min_address>max_address)
2008         {
2009                 return ERROR_COMMAND_SYNTAX_ERROR;
2010         }
2011
2012         duration_start_measure(&duration);
2013
2014         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2015         {
2016                 return ERROR_OK;
2017         }
2018
2019         image_size = 0x0;
2020         retval = ERROR_OK;
2021         for (i = 0; i < image.num_sections; i++)
2022         {
2023                 buffer = malloc(image.sections[i].size);
2024                 if (buffer == NULL)
2025                 {
2026                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2027                         break;
2028                 }
2029
2030                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2031                 {
2032                         free(buffer);
2033                         break;
2034                 }
2035
2036                 u32 offset=0;
2037                 u32 length=buf_cnt;
2038
2039                 /* DANGER!!! beware of unsigned comparision here!!! */
2040
2041                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2042                                 (image.sections[i].base_address<max_address))
2043                 {
2044                         if (image.sections[i].base_address<min_address)
2045                         {
2046                                 /* clip addresses below */
2047                                 offset+=min_address-image.sections[i].base_address;
2048                                 length-=offset;
2049                         }
2050
2051                         if (image.sections[i].base_address+buf_cnt>max_address)
2052                         {
2053                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2054                         }
2055
2056                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2057                         {
2058                                 free(buffer);
2059                                 break;
2060                         }
2061                         image_size += length;
2062                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2063                 }
2064
2065                 free(buffer);
2066         }
2067
2068         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2069         {
2070                 image_close(&image);
2071                 return retvaltemp;
2072         }
2073
2074         if (retval==ERROR_OK)
2075         {
2076                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2077         }
2078         free(duration_text);
2079
2080         image_close(&image);
2081
2082         return retval;
2083
2084 }
2085
2086 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2087 {
2088         fileio_t fileio;
2089
2090         u32 address;
2091         u32 size;
2092         u8 buffer[560];
2093         int retval=ERROR_OK, retvaltemp;
2094
2095         duration_t duration;
2096         char *duration_text;
2097
2098         target_t *target = get_current_target(cmd_ctx);
2099
2100         if (argc != 3)
2101         {
2102                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2103                 return ERROR_OK;
2104         }
2105
2106         address = strtoul(args[1], NULL, 0);
2107         size = strtoul(args[2], NULL, 0);
2108
2109         if ((address & 3) || (size & 3))
2110         {
2111                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2112                 return ERROR_OK;
2113         }
2114
2115         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2116         {
2117                 return ERROR_OK;
2118         }
2119
2120         duration_start_measure(&duration);
2121
2122         while (size > 0)
2123         {
2124                 u32 size_written;
2125                 u32 this_run_size = (size > 560) ? 560 : size;
2126
2127                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2128                 if (retval != ERROR_OK)
2129                 {
2130                         break;
2131                 }
2132
2133                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2134                 if (retval != ERROR_OK)
2135                 {
2136                         break;
2137                 }
2138
2139                 size -= this_run_size;
2140                 address += this_run_size;
2141         }
2142
2143         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2144                 return retvaltemp;
2145
2146         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2147                 return retvaltemp;
2148
2149         if (retval==ERROR_OK)
2150         {
2151                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2152         }
2153         free(duration_text);
2154
2155         return ERROR_OK;
2156 }
2157
2158 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2159 {
2160         u8 *buffer;
2161         u32 buf_cnt;
2162         u32 image_size;
2163         int i;
2164         int retval, retvaltemp;
2165         u32 checksum = 0;
2166         u32 mem_checksum = 0;
2167
2168         image_t image;
2169
2170         duration_t duration;
2171         char *duration_text;
2172
2173         target_t *target = get_current_target(cmd_ctx);
2174
2175         if (argc < 1)
2176         {
2177                 return ERROR_COMMAND_SYNTAX_ERROR;
2178         }
2179
2180         if (!target)
2181         {
2182                 LOG_ERROR("no target selected");
2183                 return ERROR_FAIL;
2184         }
2185
2186         duration_start_measure(&duration);
2187
2188         if (argc >= 2)
2189         {
2190                 image.base_address_set = 1;
2191                 image.base_address = strtoul(args[1], NULL, 0);
2192         }
2193         else
2194         {
2195                 image.base_address_set = 0;
2196                 image.base_address = 0x0;
2197         }
2198
2199         image.start_address_set = 0;
2200
2201         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2202         {
2203                 return retval;
2204         }
2205
2206         image_size = 0x0;
2207         retval=ERROR_OK;
2208         for (i = 0; i < image.num_sections; i++)
2209         {
2210                 buffer = malloc(image.sections[i].size);
2211                 if (buffer == NULL)
2212                 {
2213                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2214                         break;
2215                 }
2216                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2217                 {
2218                         free(buffer);
2219                         break;
2220                 }
2221
2222                 /* calculate checksum of image */
2223                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2224
2225                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2226                 if( retval != ERROR_OK )
2227                 {
2228                         free(buffer);
2229                         break;
2230                 }
2231
2232                 if( checksum != mem_checksum )
2233                 {
2234                         /* failed crc checksum, fall back to a binary compare */
2235                         u8 *data;
2236
2237                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2238
2239                         data = (u8*)malloc(buf_cnt);
2240
2241                         /* Can we use 32bit word accesses? */
2242                         int size = 1;
2243                         int count = buf_cnt;
2244                         if ((count % 4) == 0)
2245                         {
2246                                 size *= 4;
2247                                 count /= 4;
2248                         }
2249                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2250                         if (retval == ERROR_OK)
2251                         {
2252                                 int t;
2253                                 for (t = 0; t < buf_cnt; t++)
2254                                 {
2255                                         if (data[t] != buffer[t])
2256                                         {
2257                                                 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]);
2258                                                 free(data);
2259                                                 free(buffer);
2260                                                 retval=ERROR_FAIL;
2261                                                 goto done;
2262                                         }
2263                                         if ((t%16384)==0)
2264                                         {
2265                                                 keep_alive();
2266                                         }
2267                                 }
2268                         }
2269
2270                         free(data);
2271                 }
2272
2273                 free(buffer);
2274                 image_size += buf_cnt;
2275         }
2276 done:
2277
2278         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2279         {
2280                 image_close(&image);
2281                 return retvaltemp;
2282         }
2283
2284         if (retval==ERROR_OK)
2285         {
2286                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2287         }
2288         free(duration_text);
2289
2290         image_close(&image);
2291
2292         return retval;
2293 }
2294
2295 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2296 {
2297         int retval;
2298         target_t *target = get_current_target(cmd_ctx);
2299
2300         if (argc == 0)
2301         {
2302                 breakpoint_t *breakpoint = target->breakpoints;
2303
2304                 while (breakpoint)
2305                 {
2306                         if (breakpoint->type == BKPT_SOFT)
2307                         {
2308                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2309                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2310                                 free(buf);
2311                         }
2312                         else
2313                         {
2314                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2315                         }
2316                         breakpoint = breakpoint->next;
2317                 }
2318         }
2319         else if (argc >= 2)
2320         {
2321                 int hw = BKPT_SOFT;
2322                 u32 length = 0;
2323
2324                 length = strtoul(args[1], NULL, 0);
2325
2326                 if (argc >= 3)
2327                         if (strcmp(args[2], "hw") == 0)
2328                                 hw = BKPT_HARD;
2329
2330                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2331                 {
2332                         LOG_ERROR("Failure setting breakpoints");
2333                 }
2334                 else
2335                 {
2336                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2337                 }
2338         }
2339         else
2340         {
2341                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2342         }
2343
2344         return ERROR_OK;
2345 }
2346
2347 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2348 {
2349         target_t *target = get_current_target(cmd_ctx);
2350
2351         if (argc > 0)
2352                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2353
2354         return ERROR_OK;
2355 }
2356
2357 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2358 {
2359         target_t *target = get_current_target(cmd_ctx);
2360         int retval;
2361
2362         if (argc == 0)
2363         {
2364                 watchpoint_t *watchpoint = target->watchpoints;
2365
2366                 while (watchpoint)
2367                 {
2368                         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);
2369                         watchpoint = watchpoint->next;
2370                 }
2371         }
2372         else if (argc >= 2)
2373         {
2374                 enum watchpoint_rw type = WPT_ACCESS;
2375                 u32 data_value = 0x0;
2376                 u32 data_mask = 0xffffffff;
2377
2378                 if (argc >= 3)
2379                 {
2380                         switch(args[2][0])
2381                         {
2382                                 case 'r':
2383                                         type = WPT_READ;
2384                                         break;
2385                                 case 'w':
2386                                         type = WPT_WRITE;
2387                                         break;
2388                                 case 'a':
2389                                         type = WPT_ACCESS;
2390                                         break;
2391                                 default:
2392                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2393                                         return ERROR_OK;
2394                         }
2395                 }
2396                 if (argc >= 4)
2397                 {
2398                         data_value = strtoul(args[3], NULL, 0);
2399                 }
2400                 if (argc >= 5)
2401                 {
2402                         data_mask = strtoul(args[4], NULL, 0);
2403                 }
2404
2405                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2406                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2407                 {
2408                         LOG_ERROR("Failure setting breakpoints");
2409                 }
2410         }
2411         else
2412         {
2413                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2414         }
2415
2416         return ERROR_OK;
2417 }
2418
2419 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2420 {
2421         target_t *target = get_current_target(cmd_ctx);
2422
2423         if (argc > 0)
2424                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2425
2426         return ERROR_OK;
2427 }
2428
2429 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2430 {
2431         int retval;
2432         target_t *target = get_current_target(cmd_ctx);
2433         u32 va;
2434         u32 pa;
2435
2436         if (argc != 1)
2437         {
2438                 return ERROR_COMMAND_SYNTAX_ERROR;
2439         }
2440         va = strtoul(args[0], NULL, 0);
2441
2442         retval = target->type->virt2phys(target, va, &pa);
2443         if (retval == ERROR_OK)
2444         {
2445                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2446         }
2447         else
2448         {
2449                 /* lower levels will have logged a detailed error which is
2450                  * forwarded to telnet/GDB session.
2451                  */
2452         }
2453         return retval;
2454 }
2455
2456 static void writeLong(FILE *f, int l)
2457 {
2458         int i;
2459         for (i=0; i<4; i++)
2460         {
2461                 char c=(l>>(i*8))&0xff;
2462                 fwrite(&c, 1, 1, f);
2463         }
2464
2465 }
2466
2467 static void writeString(FILE *f, char *s)
2468 {
2469         fwrite(s, 1, strlen(s), f);
2470 }
2471
2472 /* Dump a gmon.out histogram file. */
2473 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2474 {
2475         int i;
2476         FILE *f=fopen(filename, "w");
2477         if (f==NULL)
2478                 return;
2479         fwrite("gmon", 1, 4, f);
2480         writeLong(f, 0x00000001); /* Version */
2481         writeLong(f, 0); /* padding */
2482         writeLong(f, 0); /* padding */
2483         writeLong(f, 0); /* padding */
2484
2485         fwrite("", 1, 1, f);  /* GMON_TAG_TIME_HIST */
2486
2487         /* figure out bucket size */
2488         u32 min=samples[0];
2489         u32 max=samples[0];
2490         for (i=0; i<sampleNum; i++)
2491         {
2492                 if (min>samples[i])
2493                 {
2494                         min=samples[i];
2495                 }
2496                 if (max<samples[i])
2497                 {
2498                         max=samples[i];
2499                 }
2500         }
2501
2502         int addressSpace=(max-min+1);
2503
2504         static int const maxBuckets=256*1024; /* maximum buckets. */
2505         int length=addressSpace;
2506         if (length > maxBuckets)
2507         {
2508                 length=maxBuckets;
2509         }
2510         int *buckets=malloc(sizeof(int)*length);
2511         if (buckets==NULL)
2512         {
2513                 fclose(f);
2514                 return;
2515         }
2516         memset(buckets, 0, sizeof(int)*length);
2517         for (i=0; i<sampleNum;i++)
2518         {
2519                 u32 address=samples[i];
2520                 long long a=address-min;
2521                 long long b=length-1;
2522                 long long c=addressSpace-1;
2523                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2524                 buckets[index]++;
2525         }
2526
2527         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2528         writeLong(f, min);                      /* low_pc */
2529         writeLong(f, max);                      /* high_pc */
2530         writeLong(f, length);           /* # of samples */
2531         writeLong(f, 64000000);         /* 64MHz */
2532         writeString(f, "seconds");
2533         for (i=0; i<(15-strlen("seconds")); i++)
2534         {
2535                 fwrite("", 1, 1, f);    /* padding */
2536         }
2537         writeString(f, "s");
2538
2539         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2540
2541         char *data=malloc(2*length);
2542         if (data!=NULL)
2543         {
2544                 for (i=0; i<length;i++)
2545                 {
2546                         int val;
2547                         val=buckets[i];
2548                         if (val>65535)
2549                         {
2550                                 val=65535;
2551                         }
2552                         data[i*2]=val&0xff;
2553                         data[i*2+1]=(val>>8)&0xff;
2554                 }
2555                 free(buckets);
2556                 fwrite(data, 1, length*2, f);
2557                 free(data);
2558         } else
2559         {
2560                 free(buckets);
2561         }
2562
2563         fclose(f);
2564 }
2565
2566 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2567 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2568 {
2569         target_t *target = get_current_target(cmd_ctx);
2570         struct timeval timeout, now;
2571
2572         gettimeofday(&timeout, NULL);
2573         if (argc!=2)
2574         {
2575                 return ERROR_COMMAND_SYNTAX_ERROR;
2576         }
2577         char *end;
2578         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2579         if (*end)
2580         {
2581                 return ERROR_OK;
2582         }
2583
2584         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2585
2586         static const int maxSample=10000;
2587         u32 *samples=malloc(sizeof(u32)*maxSample);
2588         if (samples==NULL)
2589                 return ERROR_OK;
2590
2591         int numSamples=0;
2592         int retval=ERROR_OK;
2593         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2594         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2595
2596         for (;;)
2597         {
2598                 target_poll(target);
2599                 if (target->state == TARGET_HALTED)
2600                 {
2601                         u32 t=*((u32 *)reg->value);
2602                         samples[numSamples++]=t;
2603                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2604                         target_poll(target);
2605                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2606                 } else if (target->state == TARGET_RUNNING)
2607                 {
2608                         /* We want to quickly sample the PC. */
2609                         if((retval = target_halt(target)) != ERROR_OK)
2610                         {
2611                                 free(samples);
2612                                 return retval;
2613                         }
2614                 } else
2615                 {
2616                         command_print(cmd_ctx, "Target not halted or running");
2617                         retval=ERROR_OK;
2618                         break;
2619                 }
2620                 if (retval!=ERROR_OK)
2621                 {
2622                         break;
2623                 }
2624
2625                 gettimeofday(&now, NULL);
2626                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2627                 {
2628                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2629                         if((retval = target_poll(target)) != ERROR_OK)
2630                         {
2631                                 free(samples);
2632                                 return retval;
2633                         }
2634                         if (target->state == TARGET_HALTED)
2635                         {
2636                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2637                         }
2638                         if((retval = target_poll(target)) != ERROR_OK)
2639                         {
2640                                 free(samples);
2641                                 return retval;
2642                         }
2643                         writeGmon(samples, numSamples, args[1]);
2644                         command_print(cmd_ctx, "Wrote %s", args[1]);
2645                         break;
2646                 }
2647         }
2648         free(samples);
2649
2650         return ERROR_OK;
2651 }
2652
2653 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2654 {
2655         char *namebuf;
2656         Jim_Obj *nameObjPtr, *valObjPtr;
2657         int result;
2658
2659         namebuf = alloc_printf("%s(%d)", varname, idx);
2660         if (!namebuf)
2661                 return JIM_ERR;
2662
2663         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2664         valObjPtr = Jim_NewIntObj(interp, val);
2665         if (!nameObjPtr || !valObjPtr)
2666         {
2667                 free(namebuf);
2668                 return JIM_ERR;
2669         }
2670
2671         Jim_IncrRefCount(nameObjPtr);
2672         Jim_IncrRefCount(valObjPtr);
2673         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2674         Jim_DecrRefCount(interp, nameObjPtr);
2675         Jim_DecrRefCount(interp, valObjPtr);
2676         free(namebuf);
2677         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2678         return result;
2679 }
2680
2681 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2682 {
2683         command_context_t *context;
2684         target_t *target;
2685
2686         context = Jim_GetAssocData(interp, "context");
2687         if (context == NULL)
2688         {
2689                 LOG_ERROR("mem2array: no command context");
2690                 return JIM_ERR;
2691         }
2692         target = get_current_target(context);
2693         if (target == NULL)
2694         {
2695                 LOG_ERROR("mem2array: no current target");
2696                 return JIM_ERR;
2697         }
2698
2699         return  target_mem2array(interp, target, argc,argv);
2700 }
2701
2702 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2703 {
2704         long l;
2705         u32 width;
2706         int len;
2707         u32 addr;
2708         u32 count;
2709         u32 v;
2710         const char *varname;
2711         u8 buffer[4096];
2712         int  i, n, e, retval;
2713
2714         /* argv[1] = name of array to receive the data
2715          * argv[2] = desired width
2716          * argv[3] = memory address
2717          * argv[4] = count of times to read
2718          */
2719         if (argc != 5) {
2720                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2721                 return JIM_ERR;
2722         }
2723         varname = Jim_GetString(argv[1], &len);
2724         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2725
2726         e = Jim_GetLong(interp, argv[2], &l);
2727         width = l;
2728         if (e != JIM_OK) {
2729                 return e;
2730         }
2731
2732         e = Jim_GetLong(interp, argv[3], &l);
2733         addr = l;
2734         if (e != JIM_OK) {
2735                 return e;
2736         }
2737         e = Jim_GetLong(interp, argv[4], &l);
2738         len = l;
2739         if (e != JIM_OK) {
2740                 return e;
2741         }
2742         switch (width) {
2743                 case 8:
2744                         width = 1;
2745                         break;
2746                 case 16:
2747                         width = 2;
2748                         break;
2749                 case 32:
2750                         width = 4;
2751                         break;
2752                 default:
2753                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2754                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2755                         return JIM_ERR;
2756         }
2757         if (len == 0) {
2758                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2759                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2760                 return JIM_ERR;
2761         }
2762         if ((addr + (len * width)) < addr) {
2763                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2764                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2765                 return JIM_ERR;
2766         }
2767         /* absurd transfer size? */
2768         if (len > 65536) {
2769                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2770                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2771                 return JIM_ERR;
2772         }
2773
2774         if ((width == 1) ||
2775                 ((width == 2) && ((addr & 1) == 0)) ||
2776                 ((width == 4) && ((addr & 3) == 0))) {
2777                 /* all is well */
2778         } else {
2779                 char buf[100];
2780                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2781                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2782                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2783                 return JIM_ERR;
2784         }
2785
2786         /* Transfer loop */
2787
2788         /* index counter */
2789         n = 0;
2790         /* assume ok */
2791         e = JIM_OK;
2792         while (len) {
2793                 /* Slurp... in buffer size chunks */
2794
2795                 count = len; /* in objects.. */
2796                 if (count > (sizeof(buffer)/width)) {
2797                         count = (sizeof(buffer)/width);
2798                 }
2799
2800                 retval = target->type->read_memory( target, addr, width, count, buffer );
2801                 if (retval != ERROR_OK) {
2802                         /* BOO !*/
2803                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2804                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2805                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2806                         e = JIM_ERR;
2807                         len = 0;
2808                 } else {
2809                         v = 0; /* shut up gcc */
2810                         for (i = 0 ;i < count ;i++, n++) {
2811                                 switch (width) {
2812                                         case 4:
2813                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2814                                                 break;
2815                                         case 2:
2816                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2817                                                 break;
2818                                         case 1:
2819                                                 v = buffer[i] & 0x0ff;
2820                                                 break;
2821                                 }
2822                                 new_int_array_element(interp, varname, n, v);
2823                         }
2824                         len -= count;
2825                 }
2826         }
2827
2828         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2829
2830         return JIM_OK;
2831 }
2832
2833 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2834 {
2835         char *namebuf;
2836         Jim_Obj *nameObjPtr, *valObjPtr;
2837         int result;
2838         long l;
2839
2840         namebuf = alloc_printf("%s(%d)", varname, idx);
2841         if (!namebuf)
2842                 return JIM_ERR;
2843
2844         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2845         if (!nameObjPtr)
2846         {
2847                 free(namebuf);
2848                 return JIM_ERR;
2849         }
2850
2851         Jim_IncrRefCount(nameObjPtr);
2852         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2853         Jim_DecrRefCount(interp, nameObjPtr);
2854         free(namebuf);
2855         if (valObjPtr == NULL)
2856                 return JIM_ERR;
2857
2858         result = Jim_GetLong(interp, valObjPtr, &l);
2859         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2860         *val = l;
2861         return result;
2862 }
2863
2864 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2865 {
2866         command_context_t *context;
2867         target_t *target;
2868
2869         context = Jim_GetAssocData(interp, "context");
2870         if (context == NULL){
2871                 LOG_ERROR("array2mem: no command context");
2872                 return JIM_ERR;
2873         }
2874         target = get_current_target(context);
2875         if (target == NULL){
2876                 LOG_ERROR("array2mem: no current target");
2877                 return JIM_ERR;
2878         }
2879
2880         return target_array2mem( interp,target, argc, argv );
2881 }
2882
2883 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2884 {
2885         long l;
2886         u32 width;
2887         int len;
2888         u32 addr;
2889         u32 count;
2890         u32 v;
2891         const char *varname;
2892         u8 buffer[4096];
2893         int  i, n, e, retval;
2894
2895         /* argv[1] = name of array to get the data
2896          * argv[2] = desired width
2897          * argv[3] = memory address
2898          * argv[4] = count to write
2899          */
2900         if (argc != 5) {
2901                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2902                 return JIM_ERR;
2903         }
2904         varname = Jim_GetString(argv[1], &len);
2905         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2906
2907         e = Jim_GetLong(interp, argv[2], &l);
2908         width = l;
2909         if (e != JIM_OK) {
2910                 return e;
2911         }
2912
2913         e = Jim_GetLong(interp, argv[3], &l);
2914         addr = l;
2915         if (e != JIM_OK) {
2916                 return e;
2917         }
2918         e = Jim_GetLong(interp, argv[4], &l);
2919         len = l;
2920         if (e != JIM_OK) {
2921                 return e;
2922         }
2923         switch (width) {
2924                 case 8:
2925                         width = 1;
2926                         break;
2927                 case 16:
2928                         width = 2;
2929                         break;
2930                 case 32:
2931                         width = 4;
2932                         break;
2933                 default:
2934                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2935                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2936                         return JIM_ERR;
2937         }
2938         if (len == 0) {
2939                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2940                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2941                 return JIM_ERR;
2942         }
2943         if ((addr + (len * width)) < addr) {
2944                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2945                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2946                 return JIM_ERR;
2947         }
2948         /* absurd transfer size? */
2949         if (len > 65536) {
2950                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2951                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2952                 return JIM_ERR;
2953         }
2954
2955         if ((width == 1) ||
2956                 ((width == 2) && ((addr & 1) == 0)) ||
2957                 ((width == 4) && ((addr & 3) == 0))) {
2958                 /* all is well */
2959         } else {
2960                 char buf[100];
2961                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2962                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2963                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2964                 return JIM_ERR;
2965         }
2966
2967         /* Transfer loop */
2968
2969         /* index counter */
2970         n = 0;
2971         /* assume ok */
2972         e = JIM_OK;
2973         while (len) {
2974                 /* Slurp... in buffer size chunks */
2975
2976                 count = len; /* in objects.. */
2977                 if (count > (sizeof(buffer)/width)) {
2978                         count = (sizeof(buffer)/width);
2979                 }
2980
2981                 v = 0; /* shut up gcc */
2982                 for (i = 0 ;i < count ;i++, n++) {
2983                         get_int_array_element(interp, varname, n, &v);
2984                         switch (width) {
2985                         case 4:
2986                                 target_buffer_set_u32(target, &buffer[i*width], v);
2987                                 break;
2988                         case 2:
2989                                 target_buffer_set_u16(target, &buffer[i*width], v);
2990                                 break;
2991                         case 1:
2992                                 buffer[i] = v & 0x0ff;
2993                                 break;
2994                         }
2995                 }
2996                 len -= count;
2997
2998                 retval = target->type->write_memory(target, addr, width, count, buffer);
2999                 if (retval != ERROR_OK) {
3000                         /* BOO !*/
3001                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3002                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3003                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3004                         e = JIM_ERR;
3005                         len = 0;
3006                 }
3007         }
3008
3009         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3010
3011         return JIM_OK;
3012 }
3013
3014 void target_all_handle_event( enum target_event e )
3015 {
3016         target_t *target;
3017
3018         LOG_DEBUG( "**all*targets: event: %d, %s",
3019                         e,
3020                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3021
3022         target = all_targets;
3023         while (target){
3024                 target_handle_event( target, e );
3025                 target = target->next;
3026         }
3027 }
3028
3029 void target_handle_event( target_t *target, enum target_event e )
3030 {
3031         target_event_action_t *teap;
3032         int done;
3033
3034         teap = target->event_action;
3035
3036         done = 0;
3037         while( teap ){
3038                 if( teap->event == e ){
3039                         done = 1;
3040                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3041                                            target->target_number,
3042                                            target->cmd_name,
3043                                            target->type->name,
3044                                            e,
3045                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3046                                            Jim_GetString( teap->body, NULL ) );
3047                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3048                         {
3049                                 Jim_PrintErrorMessage(interp);
3050                         }
3051                 }
3052                 teap = teap->next;
3053         }
3054         if( !done ){
3055                 LOG_DEBUG( "event: %d %s - no action",
3056                                    e,
3057                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3058         }
3059 }
3060
3061 enum target_cfg_param {
3062         TCFG_TYPE,
3063         TCFG_EVENT,
3064         TCFG_WORK_AREA_VIRT,
3065         TCFG_WORK_AREA_PHYS,
3066         TCFG_WORK_AREA_SIZE,
3067         TCFG_WORK_AREA_BACKUP,
3068         TCFG_ENDIAN,
3069         TCFG_VARIANT,
3070         TCFG_CHAIN_POSITION,
3071 };
3072
3073 static Jim_Nvp nvp_config_opts[] = {
3074         { .name = "-type",             .value = TCFG_TYPE },
3075         { .name = "-event",            .value = TCFG_EVENT },
3076         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3077         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3078         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3079         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3080         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3081         { .name = "-variant",          .value = TCFG_VARIANT },
3082         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3083
3084         { .name = NULL, .value = -1 }
3085 };
3086
3087 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3088 {
3089         Jim_Nvp *n;
3090         Jim_Obj *o;
3091         jim_wide w;
3092         char *cp;
3093         int e;
3094
3095         /* parse config or cget options ... */
3096         while( goi->argc > 0 ){
3097                 Jim_SetEmptyResult( goi->interp );
3098                 /* Jim_GetOpt_Debug( goi ); */
3099
3100                 if( target->type->target_jim_configure ){
3101                         /* target defines a configure function */
3102                         /* target gets first dibs on parameters */
3103                         e = (*(target->type->target_jim_configure))( target, goi );
3104                         if( e == JIM_OK ){
3105                                 /* more? */
3106                                 continue;
3107                         }
3108                         if( e == JIM_ERR ){
3109                                 /* An error */
3110                                 return e;
3111                         }
3112                         /* otherwise we 'continue' below */
3113                 }
3114                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3115                 if( e != JIM_OK ){
3116                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3117                         return e;
3118                 }
3119                 switch( n->value ){
3120                 case TCFG_TYPE:
3121                         /* not setable */
3122                         if( goi->isconfigure ){
3123                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3124                                 return JIM_ERR;
3125                         } else {
3126                         no_params:
3127                                 if( goi->argc != 0 ){
3128                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3129                                         return JIM_ERR;
3130                                 }
3131                         }
3132                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3133                         /* loop for more */
3134                         break;
3135                 case TCFG_EVENT:
3136                         if( goi->argc == 0 ){
3137                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3138                                 return JIM_ERR;
3139                         }
3140
3141                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3142                         if( e != JIM_OK ){
3143                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3144                                 return e;
3145                         }
3146
3147                         if( goi->isconfigure ){
3148                                 if( goi->argc != 1 ){
3149                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3150                                         return JIM_ERR;
3151                                 }
3152                         } else {
3153                                 if( goi->argc != 0 ){
3154                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3155                                         return JIM_ERR;
3156                                 }
3157                         }
3158
3159                         {
3160                                 target_event_action_t *teap;
3161
3162                                 teap = target->event_action;
3163                                 /* replace existing? */
3164                                 while( teap ){
3165                                         if( teap->event == n->value ){
3166                                                 break;
3167                                         }
3168                                         teap = teap->next;
3169                                 }
3170
3171                                 if( goi->isconfigure ){
3172                                         if( teap == NULL ){
3173                                                 /* create new */
3174                                                 teap = calloc( 1, sizeof(*teap) );
3175                                         }
3176                                         teap->event = n->value;
3177                                         Jim_GetOpt_Obj( goi, &o );
3178                                         if( teap->body ){
3179                                                 Jim_DecrRefCount( interp, teap->body );
3180                                         }
3181                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3182                                         /*
3183                                          * FIXME:
3184                                          *     Tcl/TK - "tk events" have a nice feature.
3185                                          *     See the "BIND" command.
3186                                          *    We should support that here.
3187                                          *     You can specify %X and %Y in the event code.
3188                                          *     The idea is: %T - target name.
3189                                          *     The idea is: %N - target number
3190                                          *     The idea is: %E - event name.
3191                                          */
3192                                         Jim_IncrRefCount( teap->body );
3193
3194                                         /* add to head of event list */
3195                                         teap->next = target->event_action;
3196                                         target->event_action = teap;
3197                                         Jim_SetEmptyResult(goi->interp);
3198                                 } else {
3199                                         /* get */
3200                                         if( teap == NULL ){
3201                                                 Jim_SetEmptyResult( goi->interp );
3202                                         } else {
3203                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3204                                         }
3205                                 }
3206                         }
3207                         /* loop for more */
3208                         break;
3209
3210                 case TCFG_WORK_AREA_VIRT:
3211                         if( goi->isconfigure ){
3212                                 target_free_all_working_areas(target);
3213                                 e = Jim_GetOpt_Wide( goi, &w );
3214                                 if( e != JIM_OK ){
3215                                         return e;
3216                                 }
3217                                 target->working_area_virt = w;
3218                         } else {
3219                                 if( goi->argc != 0 ){
3220                                         goto no_params;
3221                                 }
3222                         }
3223                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3224                         /* loop for more */
3225                         break;
3226
3227                 case TCFG_WORK_AREA_PHYS:
3228                         if( goi->isconfigure ){
3229                                 target_free_all_working_areas(target);
3230                                 e = Jim_GetOpt_Wide( goi, &w );
3231                                 if( e != JIM_OK ){
3232                                         return e;
3233                                 }
3234                                 target->working_area_phys = w;
3235                         } else {
3236                                 if( goi->argc != 0 ){
3237                                         goto no_params;
3238                                 }
3239                         }
3240                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3241                         /* loop for more */
3242                         break;
3243
3244                 case TCFG_WORK_AREA_SIZE:
3245                         if( goi->isconfigure ){
3246                                 target_free_all_working_areas(target);
3247                                 e = Jim_GetOpt_Wide( goi, &w );
3248                                 if( e != JIM_OK ){
3249                                         return e;
3250                                 }
3251                                 target->working_area_size = w;
3252                         } else {
3253                                 if( goi->argc != 0 ){
3254                                         goto no_params;
3255                                 }
3256                         }
3257                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3258                         /* loop for more */
3259                         break;
3260
3261                 case TCFG_WORK_AREA_BACKUP:
3262                         if( goi->isconfigure ){
3263                                 target_free_all_working_areas(target);
3264                                 e = Jim_GetOpt_Wide( goi, &w );
3265                                 if( e != JIM_OK ){
3266                                         return e;
3267                                 }
3268                                 /* make this exactly 1 or 0 */
3269                                 target->backup_working_area = (!!w);
3270                         } else {
3271                                 if( goi->argc != 0 ){
3272                                         goto no_params;
3273                                 }
3274                         }
3275                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3276                         /* loop for more e*/
3277                         break;
3278
3279                 case TCFG_ENDIAN:
3280                         if( goi->isconfigure ){
3281                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3282                                 if( e != JIM_OK ){
3283                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3284                                         return e;
3285                                 }
3286                                 target->endianness = n->value;
3287                         } else {
3288                                 if( goi->argc != 0 ){
3289                                         goto no_params;
3290                                 }
3291                         }
3292                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3293                         if( n->name == NULL ){
3294                                 target->endianness = TARGET_LITTLE_ENDIAN;
3295                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3296                         }
3297                         Jim_SetResultString( goi->interp, n->name, -1 );
3298                         /* loop for more */
3299                         break;
3300
3301                 case TCFG_VARIANT:
3302                         if( goi->isconfigure ){
3303                                 if( goi->argc < 1 ){
3304                                         Jim_SetResult_sprintf( goi->interp,
3305                                                                                    "%s ?STRING?",
3306                                                                                    n->name );
3307                                         return JIM_ERR;
3308                                 }
3309                                 if( target->variant ){
3310                                         free((void *)(target->variant));
3311                                 }
3312                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3313                                 target->variant = strdup(cp);
3314                         } else {
3315                                 if( goi->argc != 0 ){
3316                                         goto no_params;
3317                                 }
3318                         }
3319                         Jim_SetResultString( goi->interp, target->variant,-1 );
3320                         /* loop for more */
3321                         break;
3322                 case TCFG_CHAIN_POSITION:
3323                         if( goi->isconfigure ){
3324                                 Jim_Obj *o;
3325                                 jtag_tap_t *tap;
3326                                 target_free_all_working_areas(target);
3327                                 e = Jim_GetOpt_Obj( goi, &o );
3328                                 if( e != JIM_OK ){
3329                                         return e;
3330                                 }
3331                                 tap = jtag_TapByJimObj( goi->interp, o );
3332                                 if( tap == NULL ){
3333                                         return JIM_ERR;
3334                                 }
3335                                 /* make this exactly 1 or 0 */
3336                                 target->tap = tap;
3337                         } else {
3338                                 if( goi->argc != 0 ){
3339                                         goto no_params;
3340                                 }
3341                         }
3342                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3343                         /* loop for more e*/
3344                         break;
3345                 }
3346         } /* while( goi->argc ) */
3347                 /* done - we return */
3348         return JIM_OK;
3349 }
3350
3351 /** this is the 'tcl' handler for the target specific command */
3352 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3353 {
3354         Jim_GetOptInfo goi;
3355         jim_wide a,b,c;
3356         int x,y,z;
3357         u8  target_buf[32];
3358         Jim_Nvp *n;
3359         target_t *target;
3360         struct command_context_s *cmd_ctx;
3361         int e;
3362
3363         enum {
3364                 TS_CMD_CONFIGURE,
3365                 TS_CMD_CGET,
3366
3367                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3368                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3369                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3370                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3371                 TS_CMD_EXAMINE,
3372                 TS_CMD_POLL,
3373                 TS_CMD_RESET,
3374                 TS_CMD_HALT,
3375                 TS_CMD_WAITSTATE,
3376                 TS_CMD_EVENTLIST,
3377                 TS_CMD_CURSTATE,
3378                 TS_CMD_INVOKE_EVENT,
3379         };
3380
3381         static const Jim_Nvp target_options[] = {
3382                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3383                 { .name = "cget", .value = TS_CMD_CGET },
3384                 { .name = "mww", .value = TS_CMD_MWW },
3385                 { .name = "mwh", .value = TS_CMD_MWH },
3386                 { .name = "mwb", .value = TS_CMD_MWB },
3387                 { .name = "mdw", .value = TS_CMD_MDW },
3388                 { .name = "mdh", .value = TS_CMD_MDH },
3389                 { .name = "mdb", .value = TS_CMD_MDB },
3390                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3391                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3392                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3393                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3394
3395                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3396                 { .name = "arp_poll", .value = TS_CMD_POLL },
3397                 { .name = "arp_reset", .value = TS_CMD_RESET },
3398                 { .name = "arp_halt", .value = TS_CMD_HALT },
3399                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3400                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3401
3402                 { .name = NULL, .value = -1 },
3403         };
3404
3405         /* go past the "command" */
3406         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3407
3408         target = Jim_CmdPrivData( goi.interp );
3409         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3410
3411         /* commands here are in an NVP table */
3412         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3413         if( e != JIM_OK ){
3414                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3415                 return e;
3416         }
3417         /* Assume blank result */
3418         Jim_SetEmptyResult( goi.interp );
3419
3420         switch( n->value ){
3421         case TS_CMD_CONFIGURE:
3422                 if( goi.argc < 2 ){
3423                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3424                         return JIM_ERR;
3425                 }
3426                 goi.isconfigure = 1;
3427                 return target_configure( &goi, target );
3428         case TS_CMD_CGET:
3429                 // some things take params
3430                 if( goi.argc < 1 ){
3431                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3432                         return JIM_ERR;
3433                 }
3434                 goi.isconfigure = 0;
3435                 return target_configure( &goi, target );
3436                 break;
3437         case TS_CMD_MWW:
3438         case TS_CMD_MWH:
3439         case TS_CMD_MWB:
3440                 /* argv[0] = cmd
3441                  * argv[1] = address
3442                  * argv[2] = data
3443                  * argv[3] = optional count.
3444                  */
3445
3446                 if( (goi.argc == 3) || (goi.argc == 4) ){
3447                         /* all is well */
3448                 } else {
3449                 mwx_error:
3450                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3451                         return JIM_ERR;
3452                 }
3453
3454                 e = Jim_GetOpt_Wide( &goi, &a );
3455                 if( e != JIM_OK ){
3456                         goto mwx_error;
3457                 }
3458
3459                 e = Jim_GetOpt_Wide( &goi, &b );
3460                 if( e != JIM_OK ){
3461                         goto mwx_error;
3462                 }
3463                 if( goi.argc ){
3464                         e = Jim_GetOpt_Wide( &goi, &c );
3465                         if( e != JIM_OK ){
3466                                 goto mwx_error;
3467                         }
3468                 } else {
3469                         c = 1;
3470                 }
3471
3472                 switch( n->value ){
3473                 case TS_CMD_MWW:
3474                         target_buffer_set_u32( target, target_buf, b );
3475                         b = 4;
3476                         break;
3477                 case TS_CMD_MWH:
3478                         target_buffer_set_u16( target, target_buf, b );
3479                         b = 2;
3480                         break;
3481                 case TS_CMD_MWB:
3482                         target_buffer_set_u8( target, target_buf, b );
3483                         b = 1;
3484                         break;
3485                 }
3486                 for( x = 0 ; x < c ; x++ ){
3487                         e = target->type->write_memory( target, a, b, 1, target_buf );
3488                         if( e != ERROR_OK ){
3489                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3490                                 return JIM_ERR;
3491                         }
3492                         /* b = width */
3493                         a = a + b;
3494                 }
3495                 return JIM_OK;
3496                 break;
3497
3498                 /* display */
3499         case TS_CMD_MDW:
3500         case TS_CMD_MDH:
3501         case TS_CMD_MDB:
3502                 /* argv[0] = command
3503                  * argv[1] = address
3504                  * argv[2] = optional count
3505                  */
3506                 if( (goi.argc == 2) || (goi.argc == 3) ){
3507                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3508                         return JIM_ERR;
3509                 }
3510                 e = Jim_GetOpt_Wide( &goi, &a );
3511                 if( e != JIM_OK ){
3512                         return JIM_ERR;
3513                 }
3514                 if( goi.argc ){
3515                         e = Jim_GetOpt_Wide( &goi, &c );
3516                         if( e != JIM_OK ){
3517                                 return JIM_ERR;
3518                         }
3519                 } else {
3520                         c = 1;
3521                 }
3522                 b = 1; /* shut up gcc */
3523                 switch( n->value ){
3524                 case TS_CMD_MDW:
3525                         b =  4;
3526                         break;
3527                 case TS_CMD_MDH:
3528                         b = 2;
3529                         break;
3530                 case TS_CMD_MDB:
3531                         b = 1;
3532                         break;
3533                 }
3534
3535                 /* convert to "bytes" */
3536                 c = c * b;
3537                 /* count is now in 'BYTES' */
3538                 while( c > 0 ){
3539                         y = c;
3540                         if( y > 16 ){
3541                                 y = 16;
3542                         }
3543                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3544                         if( e != ERROR_OK ){
3545                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3546                                 return JIM_ERR;
3547                         }
3548
3549                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3550                         switch( b ){
3551                         case 4:
3552                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3553                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3554                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3555                                 }
3556                                 for( ; (x < 16) ; x += 4 ){
3557                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3558                                 }
3559                                 break;
3560                         case 2:
3561                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3562                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3563                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3564                                 }
3565                                 for( ; (x < 16) ; x += 2 ){
3566                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3567                                 }
3568                                 break;
3569                         case 1:
3570                         default:
3571                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3572                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3573                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3574                                 }
3575                                 for( ; (x < 16) ; x += 1 ){
3576                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3577                                 }
3578                                 break;
3579                         }
3580                         /* ascii-ify the bytes */
3581                         for( x = 0 ; x < y ; x++ ){
3582                                 if( (target_buf[x] >= 0x20) &&
3583                                         (target_buf[x] <= 0x7e) ){
3584                                         /* good */
3585                                 } else {
3586                                         /* smack it */
3587                                         target_buf[x] = '.';
3588                                 }
3589                         }
3590                         /* space pad  */
3591                         while( x < 16 ){
3592                                 target_buf[x] = ' ';
3593                                 x++;
3594                         }
3595                         /* terminate */
3596                         target_buf[16] = 0;
3597                         /* print - with a newline */
3598                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3599                         /* NEXT... */
3600                         c -= 16;
3601                         a += 16;
3602                 }
3603                 return JIM_OK;
3604         case TS_CMD_MEM2ARRAY:
3605                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3606                 break;
3607         case TS_CMD_ARRAY2MEM:
3608                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3609                 break;
3610         case TS_CMD_EXAMINE:
3611                 if( goi.argc ){
3612                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3613                         return JIM_ERR;
3614                 }
3615                 e = target->type->examine( target );
3616                 if( e != ERROR_OK ){
3617                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3618                         return JIM_ERR;
3619                 }
3620                 return JIM_OK;
3621         case TS_CMD_POLL:
3622                 if( goi.argc ){
3623                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3624                         return JIM_ERR;
3625                 }
3626                 if( !(target->type->examined) ){
3627                         e = ERROR_TARGET_NOT_EXAMINED;
3628                 } else {
3629                         e = target->type->poll( target );
3630                 }
3631                 if( e != ERROR_OK ){
3632                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3633                         return JIM_ERR;
3634                 } else {
3635                         return JIM_OK;
3636                 }
3637                 break;
3638         case TS_CMD_RESET:
3639                 if( goi.argc != 2 ){
3640                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3641                         return JIM_ERR;
3642                 }
3643                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3644                 if( e != JIM_OK ){
3645                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3646                         return e;
3647                 }
3648                 /* the halt or not param */
3649                 e = Jim_GetOpt_Wide( &goi, &a);
3650                 if( e != JIM_OK ){
3651                         return e;
3652                 }
3653                 /* determine if we should halt or not. */
3654                 target->reset_halt = !!a;
3655                 /* When this happens - all workareas are invalid. */
3656                 target_free_all_working_areas_restore(target, 0);
3657
3658                 /* do the assert */
3659                 if( n->value == NVP_ASSERT ){
3660                         target->type->assert_reset( target );
3661                 } else {
3662                         target->type->deassert_reset( target );
3663                 }
3664                 return JIM_OK;
3665         case TS_CMD_HALT:
3666                 if( goi.argc ){
3667                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3668                         return JIM_ERR;
3669                 }
3670                 target->type->halt( target );
3671                 return JIM_OK;
3672         case TS_CMD_WAITSTATE:
3673                 /* params:  <name>  statename timeoutmsecs */
3674                 if( goi.argc != 2 ){
3675                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3676                         return JIM_ERR;
3677                 }
3678                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3679                 if( e != JIM_OK ){
3680                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3681                         return e;
3682                 }
3683                 e = Jim_GetOpt_Wide( &goi, &a );
3684                 if( e != JIM_OK ){
3685                         return e;
3686                 }
3687                 e = target_wait_state( target, n->value, a );
3688                 if( e != ERROR_OK ){
3689                         Jim_SetResult_sprintf( goi.interp,
3690                                                                    "target: %s wait %s fails (%d) %s",
3691                                                                    target->cmd_name,
3692                                                                    n->name,
3693                                                                    e, target_strerror_safe(e) );
3694                         return JIM_ERR;
3695                 } else {
3696                         return JIM_OK;
3697                 }
3698         case TS_CMD_EVENTLIST:
3699                 /* List for human, Events defined for this target.
3700                  * scripts/programs should use 'name cget -event NAME'
3701                  */
3702                 {
3703                         target_event_action_t *teap;
3704                         teap = target->event_action;
3705                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3706                                                    target->target_number,
3707                                                    target->cmd_name );
3708                         command_print( cmd_ctx, "%-25s | Body", "Event");
3709                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3710                         while( teap ){
3711                                 command_print( cmd_ctx,
3712                                                            "%-25s | %s",
3713                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3714                                                            Jim_GetString( teap->body, NULL ) );
3715                                 teap = teap->next;
3716                         }
3717                         command_print( cmd_ctx, "***END***");
3718                         return JIM_OK;
3719                 }
3720         case TS_CMD_CURSTATE:
3721                 if( goi.argc != 0 ){
3722                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3723                         return JIM_ERR;
3724                 }
3725                 Jim_SetResultString( goi.interp,
3726                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3727                 return JIM_OK;
3728         case TS_CMD_INVOKE_EVENT:
3729                 if( goi.argc != 1 ){
3730                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3731                         return JIM_ERR;
3732                 }
3733                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3734                 if( e != JIM_OK ){
3735                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3736                         return e;
3737                 }
3738                 target_handle_event( target, n->value );
3739                 return JIM_OK;
3740         }
3741         return JIM_ERR;
3742 }
3743
3744 static int target_create( Jim_GetOptInfo *goi )
3745 {
3746         Jim_Obj *new_cmd;
3747         Jim_Cmd *cmd;
3748         const char *cp;
3749         char *cp2;
3750         int e;
3751         int x;
3752         target_t *target;
3753         struct command_context_s *cmd_ctx;
3754
3755         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3756         if( goi->argc < 3 ){
3757                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3758                 return JIM_ERR;
3759         }
3760
3761         /* COMMAND */
3762         Jim_GetOpt_Obj( goi, &new_cmd );
3763         /* does this command exist? */
3764         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3765         if( cmd ){
3766                 cp = Jim_GetString( new_cmd, NULL );
3767                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3768                 return JIM_ERR;
3769         }
3770
3771         /* TYPE */
3772         e = Jim_GetOpt_String( goi, &cp2, NULL );
3773         cp = cp2;
3774         /* now does target type exist */
3775         for( x = 0 ; target_types[x] ; x++ ){
3776                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3777                         /* found */
3778                         break;
3779                 }
3780         }
3781         if( target_types[x] == NULL ){
3782                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3783                 for( x = 0 ; target_types[x] ; x++ ){
3784                         if( target_types[x+1] ){
3785                                 Jim_AppendStrings( goi->interp,
3786                                                                    Jim_GetResult(goi->interp),
3787                                                                    target_types[x]->name,
3788                                                                    ", ", NULL);
3789                         } else {
3790                                 Jim_AppendStrings( goi->interp,
3791                                                                    Jim_GetResult(goi->interp),
3792                                                                    " or ",
3793                                                                    target_types[x]->name,NULL );
3794                         }
3795                 }
3796                 return JIM_ERR;
3797         }
3798
3799         /* Create it */
3800         target = calloc(1,sizeof(target_t));
3801         /* set target number */
3802         target->target_number = new_target_number();
3803
3804         /* allocate memory for each unique target type */
3805         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3806
3807         memcpy( target->type, target_types[x], sizeof(target_type_t));
3808
3809         /* will be set by "-endian" */
3810         target->endianness = TARGET_ENDIAN_UNKNOWN;
3811
3812         target->working_area        = 0x0;
3813         target->working_area_size   = 0x0;
3814         target->working_areas       = NULL;
3815         target->backup_working_area = 0;
3816
3817         target->state               = TARGET_UNKNOWN;
3818         target->debug_reason        = DBG_REASON_UNDEFINED;
3819         target->reg_cache           = NULL;
3820         target->breakpoints         = NULL;
3821         target->watchpoints         = NULL;
3822         target->next                = NULL;
3823         target->arch_info           = NULL;
3824
3825         target->display             = 1;
3826
3827         /* initialize trace information */
3828         target->trace_info = malloc(sizeof(trace_t));
3829         target->trace_info->num_trace_points         = 0;
3830         target->trace_info->trace_points_size        = 0;
3831         target->trace_info->trace_points             = NULL;
3832         target->trace_info->trace_history_size       = 0;
3833         target->trace_info->trace_history            = NULL;
3834         target->trace_info->trace_history_pos        = 0;
3835         target->trace_info->trace_history_overflowed = 0;
3836
3837         target->dbgmsg          = NULL;
3838         target->dbg_msg_enabled = 0;
3839
3840         target->endianness = TARGET_ENDIAN_UNKNOWN;
3841
3842         /* Do the rest as "configure" options */
3843         goi->isconfigure = 1;
3844         e = target_configure( goi, target);
3845         if( e != JIM_OK ){
3846                 free( target->type );
3847                 free( target );
3848                 return e;
3849         }
3850
3851         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3852                 /* default endian to little if not specified */
3853                 target->endianness = TARGET_LITTLE_ENDIAN;
3854         }
3855
3856         /* incase variant is not set */
3857         if (!target->variant)
3858                 target->variant = strdup("");
3859
3860         /* create the target specific commands */
3861         if( target->type->register_commands ){
3862                 (*(target->type->register_commands))( cmd_ctx );
3863         }
3864         if( target->type->target_create ){
3865                 (*(target->type->target_create))( target, goi->interp );
3866         }
3867
3868         /* append to end of list */
3869         {
3870                 target_t **tpp;
3871                 tpp = &(all_targets);
3872                 while( *tpp ){
3873                         tpp = &( (*tpp)->next );
3874                 }
3875                 *tpp = target;
3876         }
3877
3878         cp = Jim_GetString( new_cmd, NULL );
3879         target->cmd_name = strdup(cp);
3880
3881         /* now - create the new target name command */
3882         e = Jim_CreateCommand( goi->interp,
3883                                                    /* name */
3884                                                    cp,
3885                                                    tcl_target_func, /* C function */
3886                                                    target, /* private data */
3887                                                    NULL ); /* no del proc */
3888
3889         return e;
3890 }
3891
3892 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3893 {
3894         int x,r,e;
3895         jim_wide w;
3896         struct command_context_s *cmd_ctx;
3897         target_t *target;
3898         Jim_GetOptInfo goi;
3899         enum tcmd {
3900                 /* TG = target generic */
3901                 TG_CMD_CREATE,
3902                 TG_CMD_TYPES,
3903                 TG_CMD_NAMES,
3904                 TG_CMD_CURRENT,
3905                 TG_CMD_NUMBER,
3906                 TG_CMD_COUNT,
3907         };
3908         const char *target_cmds[] = {
3909                 "create", "types", "names", "current", "number",
3910                 "count",
3911                 NULL /* terminate */
3912         };
3913
3914         LOG_DEBUG("Target command params:");
3915         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3916
3917         cmd_ctx = Jim_GetAssocData( interp, "context" );
3918
3919         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3920
3921         if( goi.argc == 0 ){
3922                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3923                 return JIM_ERR;
3924         }
3925
3926         /* Jim_GetOpt_Debug( &goi ); */
3927         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3928         if( r != JIM_OK ){
3929                 return r;
3930         }
3931
3932         switch(x){
3933         default:
3934                 Jim_Panic(goi.interp,"Why am I here?");
3935                 return JIM_ERR;
3936         case TG_CMD_CURRENT:
3937                 if( goi.argc != 0 ){
3938                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3939                         return JIM_ERR;
3940                 }
3941                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3942                 return JIM_OK;
3943         case TG_CMD_TYPES:
3944                 if( goi.argc != 0 ){
3945                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3946                         return JIM_ERR;
3947                 }
3948                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3949                 for( x = 0 ; target_types[x] ; x++ ){
3950                         Jim_ListAppendElement( goi.interp,
3951                                                                    Jim_GetResult(goi.interp),
3952                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
3953                 }
3954                 return JIM_OK;
3955         case TG_CMD_NAMES:
3956                 if( goi.argc != 0 ){
3957                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3958                         return JIM_ERR;
3959                 }
3960                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3961                 target = all_targets;
3962                 while( target ){
3963                         Jim_ListAppendElement( goi.interp,
3964                                                                    Jim_GetResult(goi.interp),
3965                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
3966                         target = target->next;
3967                 }
3968                 return JIM_OK;
3969         case TG_CMD_CREATE:
3970                 if( goi.argc < 3 ){
3971                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
3972                         return JIM_ERR;
3973                 }
3974                 return target_create( &goi );
3975                 break;
3976         case TG_CMD_NUMBER:
3977                 if( goi.argc != 1 ){
3978                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
3979                         return JIM_ERR;
3980                 }
3981                 e = Jim_GetOpt_Wide( &goi, &w );
3982                 if( e != JIM_OK ){
3983                         return JIM_ERR;
3984                 }
3985                 {
3986                         target_t *t;
3987                         t = get_target_by_num(w);
3988                         if( t == NULL ){
3989                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
3990                                 return JIM_ERR;
3991                         }
3992                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
3993                         return JIM_OK;
3994                 }
3995         case TG_CMD_COUNT:
3996                 if( goi.argc != 0 ){
3997                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
3998                         return JIM_ERR;
3999                 }
4000                 Jim_SetResult( goi.interp,
4001                                            Jim_NewIntObj( goi.interp, max_target_number()));
4002                 return JIM_OK;
4003         }
4004
4005         return JIM_ERR;
4006 }
4007
4008
4009 struct FastLoad
4010 {
4011         u32 address;
4012         u8 *data;
4013         int length;
4014
4015 };
4016
4017 static int fastload_num;
4018 static struct FastLoad *fastload;
4019
4020 static void free_fastload()
4021 {
4022         if (fastload!=NULL)
4023         {
4024                 int i;
4025                 for (i=0; i<fastload_num; i++)
4026                 {
4027                         if (fastload[i].data)
4028                                 free(fastload[i].data);
4029                 }
4030                 free(fastload);
4031                 fastload=NULL;
4032         }
4033 }
4034
4035
4036
4037
4038 int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4039 {
4040         u8 *buffer;
4041         u32 buf_cnt;
4042         u32 image_size;
4043         u32 min_address=0;
4044         u32 max_address=0xffffffff;
4045         int i;
4046         int retval;
4047
4048         image_t image;
4049
4050         duration_t duration;
4051         char *duration_text;
4052
4053         if ((argc < 1)||(argc > 5))
4054         {
4055                 return ERROR_COMMAND_SYNTAX_ERROR;
4056         }
4057
4058         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4059         if (argc >= 2)
4060         {
4061                 image.base_address_set = 1;
4062                 image.base_address = strtoul(args[1], NULL, 0);
4063         }
4064         else
4065         {
4066                 image.base_address_set = 0;
4067         }
4068
4069
4070         image.start_address_set = 0;
4071
4072         if (argc>=4)
4073         {
4074                 min_address=strtoul(args[3], NULL, 0);
4075         }
4076         if (argc>=5)
4077         {
4078                 max_address=strtoul(args[4], NULL, 0)+min_address;
4079         }
4080
4081         if (min_address>max_address)
4082         {
4083                 return ERROR_COMMAND_SYNTAX_ERROR;
4084         }
4085
4086         duration_start_measure(&duration);
4087
4088         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4089         {
4090                 return ERROR_OK;
4091         }
4092
4093         image_size = 0x0;
4094         retval = ERROR_OK;
4095         fastload_num=image.num_sections;
4096         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4097         if (fastload==NULL)
4098         {
4099                 image_close(&image);
4100                 return ERROR_FAIL;
4101         }
4102         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4103         for (i = 0; i < image.num_sections; i++)
4104         {
4105                 buffer = malloc(image.sections[i].size);
4106                 if (buffer == NULL)
4107                 {
4108                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4109                         break;
4110                 }
4111
4112                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4113                 {
4114                         free(buffer);
4115                         break;
4116                 }
4117
4118                 u32 offset=0;
4119                 u32 length=buf_cnt;
4120
4121
4122                 /* DANGER!!! beware of unsigned comparision here!!! */
4123
4124                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4125                                 (image.sections[i].base_address<max_address))
4126                 {
4127                         if (image.sections[i].base_address<min_address)
4128                         {
4129                                 /* clip addresses below */
4130                                 offset+=min_address-image.sections[i].base_address;
4131                                 length-=offset;
4132                         }
4133
4134                         if (image.sections[i].base_address+buf_cnt>max_address)
4135                         {
4136                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4137                         }
4138
4139                         fastload[i].address=image.sections[i].base_address+offset;
4140                         fastload[i].data=malloc(length);
4141                         if (fastload[i].data==NULL)
4142                         {
4143                                 free(buffer);
4144                                 break;
4145                         }
4146                         memcpy(fastload[i].data, buffer+offset, length);
4147                         fastload[i].length=length;
4148
4149                         image_size += length;
4150                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4151                 }
4152
4153                 free(buffer);
4154         }
4155
4156         duration_stop_measure(&duration, &duration_text);
4157         if (retval==ERROR_OK)
4158         {
4159                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4160                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4161         }
4162         free(duration_text);
4163
4164         image_close(&image);
4165
4166         if (retval!=ERROR_OK)
4167         {
4168                 free_fastload();
4169         }
4170
4171         return retval;
4172 }
4173
4174 int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4175 {
4176         if (argc>0)
4177                 return ERROR_COMMAND_SYNTAX_ERROR;
4178         if (fastload==NULL)
4179         {
4180                 LOG_ERROR("No image in memory");
4181                 return ERROR_FAIL;
4182         }
4183         int i;
4184         int ms=timeval_ms();
4185         int size=0;
4186         for (i=0; i<fastload_num;i++)
4187         {
4188                 int retval;
4189                 target_t *target = get_current_target(cmd_ctx);
4190                 if ((retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data)) != ERROR_OK)
4191                 {
4192                         return retval;
4193                 }
4194                 size+=fastload[i].length;
4195         }
4196         int after=timeval_ms();
4197         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4198         return ERROR_OK;
4199 }