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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 "target.h"
  37 #include "target_type.h"
  38 #include "target_request.h"
  39 #include "time_support.h"
  40 #include "register.h"
  41 #include "trace.h"
  42 #include "image.h"
  43 #include "jtag.h"
  44
  45
  46 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  47
  48 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  49 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  50 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  51 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  52 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  53 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  55 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  56 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  57 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  58 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  59 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  60 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  61 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  63 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  67 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70
  71 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  72 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  73 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  74
  75 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  76 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  77
  78 /* targets */
  79 extern target_type_t arm7tdmi_target;
  80 extern target_type_t arm720t_target;
  81 extern target_type_t arm9tdmi_target;
  82 extern target_type_t arm920t_target;
  83 extern target_type_t arm966e_target;
  84 extern target_type_t arm926ejs_target;
  85 extern target_type_t feroceon_target;
  86 extern target_type_t xscale_target;
  87 extern target_type_t cortexm3_target;
  88 extern target_type_t cortexa8_target;
  89 extern target_type_t arm11_target;
  90 extern target_type_t mips_m4k_target;
  91 extern target_type_t avr_target;
  92
  93 target_type_t *target_types[] =
  94 {
  95         &arm7tdmi_target,
  96         &arm9tdmi_target,
  97         &arm920t_target,
  98         &arm720t_target,
  99         &arm966e_target,
 100         &arm926ejs_target,
 101         &feroceon_target,
 102         &xscale_target,
 103         &cortexm3_target,
 104         &cortexa8_target,
 105         &arm11_target,
 106         &mips_m4k_target,
 107         &avr_target,
 108         NULL,
 109 };
 110
 111 target_t *all_targets = NULL;
 112 target_event_callback_t *target_event_callbacks = NULL;
 113 target_timer_callback_t *target_timer_callbacks = NULL;
 114
 115 const Jim_Nvp nvp_assert[] = {
 116         { .name = "assert", NVP_ASSERT },
 117         { .name = "deassert", NVP_DEASSERT },
 118         { .name = "T", NVP_ASSERT },
 119         { .name = "F", NVP_DEASSERT },
 120         { .name = "t", NVP_ASSERT },
 121         { .name = "f", NVP_DEASSERT },
 122         { .name = NULL, .value = -1 }
 123 };
 124
 125 const Jim_Nvp nvp_error_target[] = {
 126         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 127         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 128         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 129         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 130         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 131         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 132         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 133         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 134         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 135         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 136         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 137         { .value = -1, .name = NULL }
 138 };
 139
 140 const char *target_strerror_safe( int err )
 141 {
 142         const Jim_Nvp *n;
 143
 144         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 145         if( n->name == NULL ){
 146                 return "unknown";
 147         } else {
 148                 return n->name;
 149         }
 150 }
 151
 152 static const Jim_Nvp nvp_target_event[] = {
 153         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 154         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 155
 156         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 157         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 158         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 159         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 160         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 161
 162         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 163         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 164
 165         /* historical name */
 166
 167         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 168
 169         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 170         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 171         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 172         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 173         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 174         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 175         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 176         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 177         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 178         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 179
 180         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 181         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 182
 183         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 184         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 185
 186         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 187         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 188
 189         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 190         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 191
 192         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 193         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 194
 195         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 196         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 197         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 198
 199         { .name = NULL, .value = -1 }
 200 };
 201
 202 const Jim_Nvp nvp_target_state[] = {
 203         { .name = "unknown", .value = TARGET_UNKNOWN },
 204         { .name = "running", .value = TARGET_RUNNING },
 205         { .name = "halted",  .value = TARGET_HALTED },
 206         { .name = "reset",   .value = TARGET_RESET },
 207         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 208         { .name = NULL, .value = -1 },
 209 };
 210
 211 const Jim_Nvp nvp_target_debug_reason [] = {
 212         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 213         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 214         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 215         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 216         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 217         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 218         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 219         { .name = NULL, .value = -1 },
 220 };
 221
 222 const Jim_Nvp nvp_target_endian[] = {
 223         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 224         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 225         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 226         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 227         { .name = NULL,     .value = -1 },
 228 };
 229
 230 const Jim_Nvp nvp_reset_modes[] = {
 231         { .name = "unknown", .value = RESET_UNKNOWN },
 232         { .name = "run"    , .value = RESET_RUN },
 233         { .name = "halt"   , .value = RESET_HALT },
 234         { .name = "init"   , .value = RESET_INIT },
 235         { .name = NULL     , .value = -1 },
 236 };
 237
 238 static int max_target_number(void)
 239 {
 240         target_t *t;
 241         int x;
 242
 243         x = -1;
 244         t = all_targets;
 245         while( t ){
 246                 if( x < t->target_number ){
 247                         x = (t->target_number)+1;
 248                 }
 249                 t = t->next;
 250         }
 251         return x;
 252 }
 253
 254 /* determine the number of the new target */
 255 static int new_target_number(void)
 256 {
 257         target_t *t;
 258         int x;
 259
 260         /* number is 0 based */
 261         x = -1;
 262         t = all_targets;
 263         while(t){
 264                 if( x < t->target_number ){
 265                         x = t->target_number;
 266                 }
 267                 t = t->next;
 268         }
 269         return x+1;
 270 }
 271
 272 static int target_continous_poll = 1;
 273
 274 /* read a u32 from a buffer in target memory endianness */
 275 u32 target_buffer_get_u32(target_t *target, const u8 *buffer)
 276 {
 277         if (target->endianness == TARGET_LITTLE_ENDIAN)
 278                 return le_to_h_u32(buffer);
 279         else
 280                 return be_to_h_u32(buffer);
 281 }
 282
 283 /* read a u16 from a buffer in target memory endianness */
 284 u16 target_buffer_get_u16(target_t *target, const u8 *buffer)
 285 {
 286         if (target->endianness == TARGET_LITTLE_ENDIAN)
 287                 return le_to_h_u16(buffer);
 288         else
 289                 return be_to_h_u16(buffer);
 290 }
 291
 292 /* read a u8 from a buffer in target memory endianness */
 293 u8 target_buffer_get_u8(target_t *target, const u8 *buffer)
 294 {
 295         return *buffer & 0x0ff;
 296 }
 297
 298 /* write a u32 to a buffer in target memory endianness */
 299 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 300 {
 301         if (target->endianness == TARGET_LITTLE_ENDIAN)
 302                 h_u32_to_le(buffer, value);
 303         else
 304                 h_u32_to_be(buffer, value);
 305 }
 306
 307 /* write a u16 to a buffer in target memory endianness */
 308 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 309 {
 310         if (target->endianness == TARGET_LITTLE_ENDIAN)
 311                 h_u16_to_le(buffer, value);
 312         else
 313                 h_u16_to_be(buffer, value);
 314 }
 315
 316 /* write a u8 to a buffer in target memory endianness */
 317 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 318 {
 319         *buffer = value;
 320 }
 321
 322 /* return a pointer to a configured target; id is name or number */
 323 target_t *get_target(const char *id)
 324 {
 325         target_t *target;
 326         char *endptr;
 327         int num;
 328
 329         /* try as tcltarget name */
 330         for (target = all_targets; target; target = target->next) {
 331                 if (target->cmd_name == NULL)
 332                         continue;
 333                 if (strcmp(id, target->cmd_name) == 0)
 334                         return target;
 335         }
 336
 337         /* no match, try as number */
 338         num = strtoul(id, &endptr, 0);
 339         if (*endptr != 0)
 340                 return NULL;
 341
 342         for (target = all_targets; target; target = target->next) {
 343                 if (target->target_number == num)
 344                         return target;
 345         }
 346
 347         return NULL;
 348 }
 349
 350 /* returns a pointer to the n-th configured target */
 351 static target_t *get_target_by_num(int num)
 352 {
 353         target_t *target = all_targets;
 354
 355         while (target){
 356                 if( target->target_number == num ){
 357                         return target;
 358                 }
 359                 target = target->next;
 360         }
 361
 362         return NULL;
 363 }
 364
 365 int get_num_by_target(target_t *query_target)
 366 {
 367         return query_target->target_number;
 368 }
 369
 370 target_t* get_current_target(command_context_t *cmd_ctx)
 371 {
 372         target_t *target = get_target_by_num(cmd_ctx->current_target);
 373
 374         if (target == NULL)
 375         {
 376                 LOG_ERROR("BUG: current_target out of bounds");
 377                 exit(-1);
 378         }
 379
 380         return target;
 381 }
 382
 383 int target_poll(struct target_s *target)
 384 {
 385         /* We can't poll until after examine */
 386         if (!target_was_examined(target))
 387         {
 388                 /* Fail silently lest we pollute the log */
 389                 return ERROR_FAIL;
 390         }
 391         return target->type->poll(target);
 392 }
 393
 394 int target_halt(struct target_s *target)
 395 {
 396         /* We can't poll until after examine */
 397         if (!target_was_examined(target))
 398         {
 399                 LOG_ERROR("Target not examined yet");
 400                 return ERROR_FAIL;
 401         }
 402         return target->type->halt(target);
 403 }
 404
 405 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 406 {
 407         int retval;
 408
 409         /* We can't poll until after examine */
 410         if (!target_was_examined(target))
 411         {
 412                 LOG_ERROR("Target not examined yet");
 413                 return ERROR_FAIL;
 414         }
 415
 416         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 417          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 418          * the application.
 419          */
 420         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 421                 return retval;
 422
 423         return retval;
 424 }
 425
 426 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 427 {
 428         char buf[100];
 429         int retval;
 430         Jim_Nvp *n;
 431         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 432         if( n->name == NULL ){
 433                 LOG_ERROR("invalid reset mode");
 434                 return ERROR_FAIL;
 435         }
 436
 437         /* disable polling during reset to make reset event scripts
 438          * more predictable, i.e. dr/irscan & pathmove in events will
 439          * not have JTAG operations injected into the middle of a sequence.
 440          */
 441         int save_poll = target_continous_poll;
 442         target_continous_poll = 0;
 443
 444         sprintf( buf, "ocd_process_reset %s", n->name );
 445         retval = Jim_Eval( interp, buf );
 446
 447         target_continous_poll = save_poll;
 448
 449         if(retval != JIM_OK) {
 450                 Jim_PrintErrorMessage(interp);
 451                 return ERROR_FAIL;
 452         }
 453
 454         /* We want any events to be processed before the prompt */
 455         retval = target_call_timer_callbacks_now();
 456
 457         return retval;
 458 }
 459
 460 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 461 {
 462         *physical = virtual;
 463         return ERROR_OK;
 464 }
 465
 466 static int default_mmu(struct target_s *target, int *enabled)
 467 {
 468         *enabled = 0;
 469         return ERROR_OK;
 470 }
 471
 472 static int default_examine(struct target_s *target)
 473 {
 474         target_set_examined(target);
 475         return ERROR_OK;
 476 }
 477
 478 int target_examine_one(struct target_s *target)
 479 {
 480         return target->type->examine(target);
 481 }
 482
 483 /* Targets that correctly implement init+examine, i.e.
 484  * no communication with target during init:
 485  *
 486  * XScale
 487  */
 488 int target_examine(void)
 489 {
 490         int retval = ERROR_OK;
 491         target_t *target;
 492
 493         for (target = all_targets; target; target = target->next)
 494         {
 495                 if (!target->tap->enabled)
 496                         continue;
 497                 if ((retval = target_examine_one(target)) != ERROR_OK)
 498                         return retval;
 499         }
 500         return retval;
 501 }
 502 const char *target_get_name(struct target_s *target)
 503 {
 504         return target->type->name;
 505 }
 506
 507 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 508 {
 509         if (!target_was_examined(target))
 510         {
 511                 LOG_ERROR("Target not examined yet");
 512                 return ERROR_FAIL;
 513         }
 514         return target->type->write_memory_imp(target, address, size, count, buffer);
 515 }
 516
 517 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 518 {
 519         if (!target_was_examined(target))
 520         {
 521                 LOG_ERROR("Target not examined yet");
 522                 return ERROR_FAIL;
 523         }
 524         return target->type->read_memory_imp(target, address, size, count, buffer);
 525 }
 526
 527 static int target_soft_reset_halt_imp(struct target_s *target)
 528 {
 529         if (!target_was_examined(target))
 530         {
 531                 LOG_ERROR("Target not examined yet");
 532                 return ERROR_FAIL;
 533         }
 534         return target->type->soft_reset_halt_imp(target);
 535 }
 536
 537 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)
 538 {
 539         if (!target_was_examined(target))
 540         {
 541                 LOG_ERROR("Target not examined yet");
 542                 return ERROR_FAIL;
 543         }
 544         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);
 545 }
 546
 547 int target_read_memory(struct target_s *target,
 548                 u32 address, u32 size, u32 count, u8 *buffer)
 549 {
 550         return target->type->read_memory(target, address, size, count, buffer);
 551 }
 552
 553 int target_write_memory(struct target_s *target,
 554                 u32 address, u32 size, u32 count, u8 *buffer)
 555 {
 556         return target->type->write_memory(target, address, size, count, buffer);
 557 }
 558 int target_bulk_write_memory(struct target_s *target,
 559                 u32 address, u32 count, u8 *buffer)
 560 {
 561         return target->type->bulk_write_memory(target, address, count, buffer);
 562 }
 563
 564 int target_add_breakpoint(struct target_s *target,
 565                 struct breakpoint_s *breakpoint)
 566 {
 567         return target->type->add_breakpoint(target, breakpoint);
 568 }
 569 int target_remove_breakpoint(struct target_s *target,
 570                 struct breakpoint_s *breakpoint)
 571 {
 572         return target->type->remove_breakpoint(target, breakpoint);
 573 }
 574
 575 int target_add_watchpoint(struct target_s *target,
 576                 struct watchpoint_s *watchpoint)
 577 {
 578         return target->type->add_watchpoint(target, watchpoint);
 579 }
 580 int target_remove_watchpoint(struct target_s *target,
 581                 struct watchpoint_s *watchpoint)
 582 {
 583         return target->type->remove_watchpoint(target, watchpoint);
 584 }
 585
 586 int target_get_gdb_reg_list(struct target_s *target,
 587                 struct reg_s **reg_list[], int *reg_list_size)
 588 {
 589         return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
 590 }
 591 int target_step(struct target_s *target,
 592                 int current, u32 address, int handle_breakpoints)
 593 {
 594         return target->type->step(target, current, address, handle_breakpoints);
 595 }
 596
 597
 598 int target_run_algorithm(struct target_s *target,
 599                 int num_mem_params, mem_param_t *mem_params,
 600                 int num_reg_params, reg_param_t *reg_param,
 601                 u32 entry_point, u32 exit_point,
 602                 int timeout_ms, void *arch_info)
 603 {
 604         return target->type->run_algorithm(target,
 605                         num_mem_params, mem_params, num_reg_params, reg_param,
 606                         entry_point, exit_point, timeout_ms, arch_info);
 607 }
 608
 609 /// @returns @c true if the target has been examined.
 610 bool target_was_examined(struct target_s *target)
 611 {
 612         return target->type->examined;
 613 }
 614 /// Sets the @c examined flag for the given target.
 615 void target_set_examined(struct target_s *target)
 616 {
 617         target->type->examined = true;
 618 }
 619 // Reset the @c examined flag for the given target.
 620 void target_reset_examined(struct target_s *target)
 621 {
 622         target->type->examined = false;
 623 }
 624
 625
 626 int target_init(struct command_context_s *cmd_ctx)
 627 {
 628         target_t *target = all_targets;
 629         int retval;
 630
 631         while (target)
 632         {
 633                 target_reset_examined(target);
 634                 if (target->type->examine == NULL)
 635                 {
 636                         target->type->examine = default_examine;
 637                 }
 638
 639                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 640                 {
 641                         LOG_ERROR("target '%s' init failed", target_get_name(target));
 642                         return retval;
 643                 }
 644
 645                 /* Set up default functions if none are provided by target */
 646                 if (target->type->virt2phys == NULL)
 647                 {
 648                         target->type->virt2phys = default_virt2phys;
 649                 }
 650                 target->type->virt2phys = default_virt2phys;
 651                 /* a non-invasive way(in terms of patches) to add some code that
 652                  * runs before the type->write/read_memory implementation
 653                  */
 654                 target->type->write_memory_imp = target->type->write_memory;
 655                 target->type->write_memory = target_write_memory_imp;
 656                 target->type->read_memory_imp = target->type->read_memory;
 657                 target->type->read_memory = target_read_memory_imp;
 658                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 659                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 660                 target->type->run_algorithm_imp = target->type->run_algorithm;
 661                 target->type->run_algorithm = target_run_algorithm_imp;
 662
 663                 if (target->type->mmu == NULL)
 664                 {
 665                         target->type->mmu = default_mmu;
 666                 }
 667                 target = target->next;
 668         }
 669
 670         if (all_targets)
 671         {
 672                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 673                         return retval;
 674                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 675                         return retval;
 676         }
 677
 678         return ERROR_OK;
 679 }
 680
 681 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 682 {
 683         target_event_callback_t **callbacks_p = &target_event_callbacks;
 684
 685         if (callback == NULL)
 686         {
 687                 return ERROR_INVALID_ARGUMENTS;
 688         }
 689
 690         if (*callbacks_p)
 691         {
 692                 while ((*callbacks_p)->next)
 693                         callbacks_p = &((*callbacks_p)->next);
 694                 callbacks_p = &((*callbacks_p)->next);
 695         }
 696
 697         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 698         (*callbacks_p)->callback = callback;
 699         (*callbacks_p)->priv = priv;
 700         (*callbacks_p)->next = NULL;
 701
 702         return ERROR_OK;
 703 }
 704
 705 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 706 {
 707         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 708         struct timeval now;
 709
 710         if (callback == NULL)
 711         {
 712                 return ERROR_INVALID_ARGUMENTS;
 713         }
 714
 715         if (*callbacks_p)
 716         {
 717                 while ((*callbacks_p)->next)
 718                         callbacks_p = &((*callbacks_p)->next);
 719                 callbacks_p = &((*callbacks_p)->next);
 720         }
 721
 722         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 723         (*callbacks_p)->callback = callback;
 724         (*callbacks_p)->periodic = periodic;
 725         (*callbacks_p)->time_ms = time_ms;
 726
 727         gettimeofday(&now, NULL);
 728         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 729         time_ms -= (time_ms % 1000);
 730         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 731         if ((*callbacks_p)->when.tv_usec > 1000000)
 732         {
 733                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 734                 (*callbacks_p)->when.tv_sec += 1;
 735         }
 736
 737         (*callbacks_p)->priv = priv;
 738         (*callbacks_p)->next = NULL;
 739
 740         return ERROR_OK;
 741 }
 742
 743 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 744 {
 745         target_event_callback_t **p = &target_event_callbacks;
 746         target_event_callback_t *c = target_event_callbacks;
 747
 748         if (callback == NULL)
 749         {
 750                 return ERROR_INVALID_ARGUMENTS;
 751         }
 752
 753         while (c)
 754         {
 755                 target_event_callback_t *next = c->next;
 756                 if ((c->callback == callback) && (c->priv == priv))
 757                 {
 758                         *p = next;
 759                         free(c);
 760                         return ERROR_OK;
 761                 }
 762                 else
 763                         p = &(c->next);
 764                 c = next;
 765         }
 766
 767         return ERROR_OK;
 768 }
 769
 770 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 771 {
 772         target_timer_callback_t **p = &target_timer_callbacks;
 773         target_timer_callback_t *c = target_timer_callbacks;
 774
 775         if (callback == NULL)
 776         {
 777                 return ERROR_INVALID_ARGUMENTS;
 778         }
 779
 780         while (c)
 781         {
 782                 target_timer_callback_t *next = c->next;
 783                 if ((c->callback == callback) && (c->priv == priv))
 784                 {
 785                         *p = next;
 786                         free(c);
 787                         return ERROR_OK;
 788                 }
 789                 else
 790                         p = &(c->next);
 791                 c = next;
 792         }
 793
 794         return ERROR_OK;
 795 }
 796
 797 int target_call_event_callbacks(target_t *target, enum target_event event)
 798 {
 799         target_event_callback_t *callback = target_event_callbacks;
 800         target_event_callback_t *next_callback;
 801
 802         if (event == TARGET_EVENT_HALTED)
 803         {
 804                 /* execute early halted first */
 805                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 806         }
 807
 808         LOG_DEBUG("target event %i (%s)",
 809                           event,
 810                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 811
 812         target_handle_event( target, event );
 813
 814         while (callback)
 815         {
 816                 next_callback = callback->next;
 817                 callback->callback(target, event, callback->priv);
 818                 callback = next_callback;
 819         }
 820
 821         return ERROR_OK;
 822 }
 823
 824 static int target_call_timer_callbacks_check_time(int checktime)
 825 {
 826         target_timer_callback_t *callback = target_timer_callbacks;
 827         target_timer_callback_t *next_callback;
 828         struct timeval now;
 829
 830         keep_alive();
 831
 832         gettimeofday(&now, NULL);
 833
 834         while (callback)
 835         {
 836                 next_callback = callback->next;
 837
 838                 if ((!checktime&&callback->periodic)||
 839                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 840                                                 || (now.tv_sec > callback->when.tv_sec)))
 841                 {
 842                         if(callback->callback != NULL)
 843                         {
 844                                 callback->callback(callback->priv);
 845                                 if (callback->periodic)
 846                                 {
 847                                         int time_ms = callback->time_ms;
 848                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 849                                         time_ms -= (time_ms % 1000);
 850                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 851                                         if (callback->when.tv_usec > 1000000)
 852                                         {
 853                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 854                                                 callback->when.tv_sec += 1;
 855                                         }
 856                                 }
 857                                 else
 858                                 {
 859                                         int retval;
 860                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 861                                                 return retval;
 862                                 }
 863                         }
 864                 }
 865
 866                 callback = next_callback;
 867         }
 868
 869         return ERROR_OK;
 870 }
 871
 872 int target_call_timer_callbacks(void)
 873 {
 874         return target_call_timer_callbacks_check_time(1);
 875 }
 876
 877 /* invoke periodic callbacks immediately */
 878 int target_call_timer_callbacks_now(void)
 879 {
 880         return target_call_timer_callbacks_check_time(0);
 881 }
 882
 883 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 884 {
 885         working_area_t *c = target->working_areas;
 886         working_area_t *new_wa = NULL;
 887
 888         /* Reevaluate working area address based on MMU state*/
 889         if (target->working_areas == NULL)
 890         {
 891                 int retval;
 892                 int enabled;
 893                 retval = target->type->mmu(target, &enabled);
 894                 if (retval != ERROR_OK)
 895                 {
 896                         return retval;
 897                 }
 898                 if (enabled)
 899                 {
 900                         target->working_area = target->working_area_virt;
 901                 }
 902                 else
 903                 {
 904                         target->working_area = target->working_area_phys;
 905                 }
 906         }
 907
 908         /* only allocate multiples of 4 byte */
 909         if (size % 4)
 910         {
 911                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 912                 size = CEIL(size, 4);
 913         }
 914
 915         /* see if there's already a matching working area */
 916         while (c)
 917         {
 918                 if ((c->free) && (c->size == size))
 919                 {
 920                         new_wa = c;
 921                         break;
 922                 }
 923                 c = c->next;
 924         }
 925
 926         /* if not, allocate a new one */
 927         if (!new_wa)
 928         {
 929                 working_area_t **p = &target->working_areas;
 930                 u32 first_free = target->working_area;
 931                 u32 free_size = target->working_area_size;
 932
 933                 LOG_DEBUG("allocating new working area");
 934
 935                 c = target->working_areas;
 936                 while (c)
 937                 {
 938                         first_free += c->size;
 939                         free_size -= c->size;
 940                         p = &c->next;
 941                         c = c->next;
 942                 }
 943
 944                 if (free_size < size)
 945                 {
 946                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 947                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 948                 }
 949
 950                 new_wa = malloc(sizeof(working_area_t));
 951                 new_wa->next = NULL;
 952                 new_wa->size = size;
 953                 new_wa->address = first_free;
 954
 955                 if (target->backup_working_area)
 956                 {
 957                         int retval;
 958                         new_wa->backup = malloc(new_wa->size);
 959                         if((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 960                         {
 961                                 free(new_wa->backup);
 962                                 free(new_wa);
 963                                 return retval;
 964                         }
 965                 }
 966                 else
 967                 {
 968                         new_wa->backup = NULL;
 969                 }
 970
 971                 /* put new entry in list */
 972                 *p = new_wa;
 973         }
 974
 975         /* mark as used, and return the new (reused) area */
 976         new_wa->free = 0;
 977         *area = new_wa;
 978
 979         /* user pointer */
 980         new_wa->user = area;
 981
 982         return ERROR_OK;
 983 }
 984
 985 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 986 {
 987         if (area->free)
 988                 return ERROR_OK;
 989
 990         if (restore&&target->backup_working_area)
 991         {
 992                 int retval;
 993                 if((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 994                         return retval;
 995         }
 996
 997         area->free = 1;
 998
 999         /* mark user pointer invalid */
1000         *area->user = NULL;
1001         area->user = NULL;
1002
1003         return ERROR_OK;
1004 }
1005
1006 int target_free_working_area(struct target_s *target, working_area_t *area)
1007 {
1008         return target_free_working_area_restore(target, area, 1);
1009 }
1010
1011 /* free resources and restore memory, if restoring memory fails,
1012  * free up resources anyway
1013  */
1014 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1015 {
1016         working_area_t *c = target->working_areas;
1017
1018         while (c)
1019         {
1020                 working_area_t *next = c->next;
1021                 target_free_working_area_restore(target, c, restore);
1022
1023                 if (c->backup)
1024                         free(c->backup);
1025
1026                 free(c);
1027
1028                 c = next;
1029         }
1030
1031         target->working_areas = NULL;
1032 }
1033
1034 void target_free_all_working_areas(struct target_s *target)
1035 {
1036         target_free_all_working_areas_restore(target, 1);
1037 }
1038
1039 int target_register_commands(struct command_context_s *cmd_ctx)
1040 {
1041
1042         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)");
1043
1044
1045
1046
1047         register_jim(cmd_ctx, "target", jim_target, "configure target" );
1048
1049         return ERROR_OK;
1050 }
1051
1052 int target_arch_state(struct target_s *target)
1053 {
1054         int retval;
1055         if (target==NULL)
1056         {
1057                 LOG_USER("No target has been configured");
1058                 return ERROR_OK;
1059         }
1060
1061         LOG_USER("target state: %s",
1062                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
1063
1064         if (target->state!=TARGET_HALTED)
1065                 return ERROR_OK;
1066
1067         retval=target->type->arch_state(target);
1068         return retval;
1069 }
1070
1071 /* Single aligned words are guaranteed to use 16 or 32 bit access
1072  * mode respectively, otherwise data is handled as quickly as
1073  * possible
1074  */
1075 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1076 {
1077         int retval;
1078         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
1079
1080         if (!target_was_examined(target))
1081         {
1082                 LOG_ERROR("Target not examined yet");
1083                 return ERROR_FAIL;
1084         }
1085
1086         if (size == 0) {
1087                 return ERROR_OK;
1088         }
1089
1090         if ((address + size - 1) < address)
1091         {
1092                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1093                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1094                 return ERROR_FAIL;
1095         }
1096
1097         if (((address % 2) == 0) && (size == 2))
1098         {
1099                 return target_write_memory(target, address, 2, 1, buffer);
1100         }
1101
1102         /* handle unaligned head bytes */
1103         if (address % 4)
1104         {
1105                 u32 unaligned = 4 - (address % 4);
1106
1107                 if (unaligned > size)
1108                         unaligned = size;
1109
1110                 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1111                         return retval;
1112
1113                 buffer += unaligned;
1114                 address += unaligned;
1115                 size -= unaligned;
1116         }
1117
1118         /* handle aligned words */
1119         if (size >= 4)
1120         {
1121                 int aligned = size - (size % 4);
1122
1123                 /* use bulk writes above a certain limit. This may have to be changed */
1124                 if (aligned > 128)
1125                 {
1126                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1127                                 return retval;
1128                 }
1129                 else
1130                 {
1131                         if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1132                                 return retval;
1133                 }
1134
1135                 buffer += aligned;
1136                 address += aligned;
1137                 size -= aligned;
1138         }
1139
1140         /* handle tail writes of less than 4 bytes */
1141         if (size > 0)
1142         {
1143                 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1144                         return retval;
1145         }
1146
1147         return ERROR_OK;
1148 }
1149
1150 /* Single aligned words are guaranteed to use 16 or 32 bit access
1151  * mode respectively, otherwise data is handled as quickly as
1152  * possible
1153  */
1154 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1155 {
1156         int retval;
1157         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1158
1159         if (!target_was_examined(target))
1160         {
1161                 LOG_ERROR("Target not examined yet");
1162                 return ERROR_FAIL;
1163         }
1164
1165         if (size == 0) {
1166                 return ERROR_OK;
1167         }
1168
1169         if ((address + size - 1) < address)
1170         {
1171                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1172                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1173                 return ERROR_FAIL;
1174         }
1175
1176         if (((address % 2) == 0) && (size == 2))
1177         {
1178                 return target_read_memory(target, address, 2, 1, buffer);
1179         }
1180
1181         /* handle unaligned head bytes */
1182         if (address % 4)
1183         {
1184                 u32 unaligned = 4 - (address % 4);
1185
1186                 if (unaligned > size)
1187                         unaligned = size;
1188
1189                 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1190                         return retval;
1191
1192                 buffer += unaligned;
1193                 address += unaligned;
1194                 size -= unaligned;
1195         }
1196
1197         /* handle aligned words */
1198         if (size >= 4)
1199         {
1200                 int aligned = size - (size % 4);
1201
1202                 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1203                         return retval;
1204
1205                 buffer += aligned;
1206                 address += aligned;
1207                 size -= aligned;
1208         }
1209
1210         /* handle tail writes of less than 4 bytes */
1211         if (size > 0)
1212         {
1213                 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1214                         return retval;
1215         }
1216
1217         return ERROR_OK;
1218 }
1219
1220 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1221 {
1222         u8 *buffer;
1223         int retval;
1224         u32 i;
1225         u32 checksum = 0;
1226         if (!target_was_examined(target))
1227         {
1228                 LOG_ERROR("Target not examined yet");
1229                 return ERROR_FAIL;
1230         }
1231
1232         if ((retval = target->type->checksum_memory(target, address,
1233                 size, &checksum)) != ERROR_OK)
1234         {
1235                 buffer = malloc(size);
1236                 if (buffer == NULL)
1237                 {
1238                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1239                         return ERROR_INVALID_ARGUMENTS;
1240                 }
1241                 retval = target_read_buffer(target, address, size, buffer);
1242                 if (retval != ERROR_OK)
1243                 {
1244                         free(buffer);
1245                         return retval;
1246                 }
1247
1248                 /* convert to target endianess */
1249                 for (i = 0; i < (size/sizeof(u32)); i++)
1250                 {
1251                         u32 target_data;
1252                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1253                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1254                 }
1255
1256                 retval = image_calculate_checksum( buffer, size, &checksum );
1257                 free(buffer);
1258         }
1259
1260         *crc = checksum;
1261
1262         return retval;
1263 }
1264
1265 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1266 {
1267         int retval;
1268         if (!target_was_examined(target))
1269         {
1270                 LOG_ERROR("Target not examined yet");
1271                 return ERROR_FAIL;
1272         }
1273
1274         if (target->type->blank_check_memory == 0)
1275                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1276
1277         retval = target->type->blank_check_memory(target, address, size, blank);
1278
1279         return retval;
1280 }
1281
1282 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1283 {
1284         u8 value_buf[4];
1285         if (!target_was_examined(target))
1286         {
1287                 LOG_ERROR("Target not examined yet");
1288                 return ERROR_FAIL;
1289         }
1290
1291         int retval = target_read_memory(target, address, 4, 1, value_buf);
1292
1293         if (retval == ERROR_OK)
1294         {
1295                 *value = target_buffer_get_u32(target, value_buf);
1296                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1297         }
1298         else
1299         {
1300                 *value = 0x0;
1301                 LOG_DEBUG("address: 0x%8.8x failed", address);
1302         }
1303
1304         return retval;
1305 }
1306
1307 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1308 {
1309         u8 value_buf[2];
1310         if (!target_was_examined(target))
1311         {
1312                 LOG_ERROR("Target not examined yet");
1313                 return ERROR_FAIL;
1314         }
1315
1316         int retval = target_read_memory(target, address, 2, 1, value_buf);
1317
1318         if (retval == ERROR_OK)
1319         {
1320                 *value = target_buffer_get_u16(target, value_buf);
1321                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1322         }
1323         else
1324         {
1325                 *value = 0x0;
1326                 LOG_DEBUG("address: 0x%8.8x failed", address);
1327         }
1328
1329         return retval;
1330 }
1331
1332 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1333 {
1334         int retval = target_read_memory(target, address, 1, 1, value);
1335         if (!target_was_examined(target))
1336         {
1337                 LOG_ERROR("Target not examined yet");
1338                 return ERROR_FAIL;
1339         }
1340
1341         if (retval == ERROR_OK)
1342         {
1343                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1344         }
1345         else
1346         {
1347                 *value = 0x0;
1348                 LOG_DEBUG("address: 0x%8.8x failed", address);
1349         }
1350
1351         return retval;
1352 }
1353
1354 int target_write_u32(struct target_s *target, u32 address, u32 value)
1355 {
1356         int retval;
1357         u8 value_buf[4];
1358         if (!target_was_examined(target))
1359         {
1360                 LOG_ERROR("Target not examined yet");
1361                 return ERROR_FAIL;
1362         }
1363
1364         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1365
1366         target_buffer_set_u32(target, value_buf, value);
1367         if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1368         {
1369                 LOG_DEBUG("failed: %i", retval);
1370         }
1371
1372         return retval;
1373 }
1374
1375 int target_write_u16(struct target_s *target, u32 address, u16 value)
1376 {
1377         int retval;
1378         u8 value_buf[2];
1379         if (!target_was_examined(target))
1380         {
1381                 LOG_ERROR("Target not examined yet");
1382                 return ERROR_FAIL;
1383         }
1384
1385         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1386
1387         target_buffer_set_u16(target, value_buf, value);
1388         if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1389         {
1390                 LOG_DEBUG("failed: %i", retval);
1391         }
1392
1393         return retval;
1394 }
1395
1396 int target_write_u8(struct target_s *target, u32 address, u8 value)
1397 {
1398         int retval;
1399         if (!target_was_examined(target))
1400         {
1401                 LOG_ERROR("Target not examined yet");
1402                 return ERROR_FAIL;
1403         }
1404
1405         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1406
1407         if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1408         {
1409                 LOG_DEBUG("failed: %i", retval);
1410         }
1411
1412         return retval;
1413 }
1414
1415 int target_register_user_commands(struct command_context_s *cmd_ctx)
1416 {
1417         int retval = ERROR_OK;
1418
1419
1420         /* script procedures */
1421         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1422         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing <ARRAYNAME> <WIDTH=32/16/8> <ADDRESS> <COUNT>");
1423         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values  <ARRAYNAME> <WIDTH=32/16/8> <ADDRESS> <COUNT>");
1424
1425         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1426                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1427
1428         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1429                         "loads active fast load image to current target - mainly for profiling purposes");
1430
1431
1432         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1433         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1434         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1435         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1436         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1437         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1438         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1439         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1440         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1441
1442         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1443         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1444         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1445
1446         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1447         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1448         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1449
1450         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1451         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1452         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1453         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1454
1455         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]");
1456         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1457         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1458         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1459
1460         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1461                 return retval;
1462         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1463                 return retval;
1464
1465         return retval;
1466 }
1467
1468 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1469 {
1470         target_t *target = all_targets;
1471
1472         if (argc == 1)
1473         {
1474                 target = get_target(args[0]);
1475                 if (target == NULL) {
1476                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1477                         goto DumpTargets;
1478                 }
1479                 if (!target->tap->enabled) {
1480                         command_print(cmd_ctx,"Target: TAP %s is disabled, "
1481                                         "can't be the current target\n",
1482                                         target->tap->dotted_name);
1483                         return ERROR_FAIL;
1484                 }
1485
1486                 cmd_ctx->current_target = target->target_number;
1487                 return ERROR_OK;
1488         }
1489 DumpTargets:
1490
1491         target = all_targets;
1492         command_print(cmd_ctx, "    TargetName         Type       Endian TapName            State       ");
1493         command_print(cmd_ctx, "--  ------------------ ---------- ------ ------------------ ------------");
1494         while (target)
1495         {
1496                 const char *state;
1497                 char marker = ' ';
1498
1499                 if (target->tap->enabled)
1500                         state = Jim_Nvp_value2name_simple(nvp_target_state,
1501                                         target->state)->name;
1502                 else
1503                         state = "tap-disabled";
1504
1505                 if (cmd_ctx->current_target == target->target_number)
1506                         marker = '*';
1507
1508                 /* keep columns lined up to match the headers above */
1509                 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1510                                           target->target_number,
1511                                           marker,
1512                                           target->cmd_name,
1513                                           target_get_name(target),
1514                                           Jim_Nvp_value2name_simple(nvp_target_endian,
1515                                                                 target->endianness)->name,
1516                                           target->tap->dotted_name,
1517                                           state);
1518                 target = target->next;
1519         }
1520
1521         return ERROR_OK;
1522 }
1523
1524 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1525
1526 static int powerDropout;
1527 static int srstAsserted;
1528
1529 static int runPowerRestore;
1530 static int runPowerDropout;
1531 static int runSrstAsserted;
1532 static int runSrstDeasserted;
1533
1534 static int sense_handler(void)
1535 {
1536         static int prevSrstAsserted = 0;
1537         static int prevPowerdropout = 0;
1538
1539         int retval;
1540         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1541                 return retval;
1542
1543         int powerRestored;
1544         powerRestored = prevPowerdropout && !powerDropout;
1545         if (powerRestored)
1546         {
1547                 runPowerRestore = 1;
1548         }
1549
1550         long long current = timeval_ms();
1551         static long long lastPower = 0;
1552         int waitMore = lastPower + 2000 > current;
1553         if (powerDropout && !waitMore)
1554         {
1555                 runPowerDropout = 1;
1556                 lastPower = current;
1557         }
1558
1559         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1560                 return retval;
1561
1562         int srstDeasserted;
1563         srstDeasserted = prevSrstAsserted && !srstAsserted;
1564
1565         static long long lastSrst = 0;
1566         waitMore = lastSrst + 2000 > current;
1567         if (srstDeasserted && !waitMore)
1568         {
1569                 runSrstDeasserted = 1;
1570                 lastSrst = current;
1571         }
1572
1573         if (!prevSrstAsserted && srstAsserted)
1574         {
1575                 runSrstAsserted = 1;
1576         }
1577
1578         prevSrstAsserted = srstAsserted;
1579         prevPowerdropout = powerDropout;
1580
1581         if (srstDeasserted || powerRestored)
1582         {
1583                 /* Other than logging the event we can't do anything here.
1584                  * Issuing a reset is a particularly bad idea as we might
1585                  * be inside a reset already.
1586                  */
1587         }
1588
1589         return ERROR_OK;
1590 }
1591
1592 /* process target state changes */
1593 int handle_target(void *priv)
1594 {
1595         int retval = ERROR_OK;
1596
1597         /* we do not want to recurse here... */
1598         static int recursive = 0;
1599         if (! recursive)
1600         {
1601                 recursive = 1;
1602                 sense_handler();
1603                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1604                  * We need to avoid an infinite loop/recursion here and we do that by
1605                  * clearing the flags after running these events.
1606                  */
1607                 int did_something = 0;
1608                 if (runSrstAsserted)
1609                 {
1610                         Jim_Eval( interp, "srst_asserted");
1611                         did_something = 1;
1612                 }
1613                 if (runSrstDeasserted)
1614                 {
1615                         Jim_Eval( interp, "srst_deasserted");
1616                         did_something = 1;
1617                 }
1618                 if (runPowerDropout)
1619                 {
1620                         Jim_Eval( interp, "power_dropout");
1621                         did_something = 1;
1622                 }
1623                 if (runPowerRestore)
1624                 {
1625                         Jim_Eval( interp, "power_restore");
1626                         did_something = 1;
1627                 }
1628
1629                 if (did_something)
1630                 {
1631                         /* clear detect flags */
1632                         sense_handler();
1633                 }
1634
1635                 /* clear action flags */
1636
1637                 runSrstAsserted=0;
1638                 runSrstDeasserted=0;
1639                 runPowerRestore=0;
1640                 runPowerDropout=0;
1641
1642                 recursive = 0;
1643         }
1644
1645         target_t *target = all_targets;
1646
1647         while (target)
1648         {
1649
1650                 /* only poll target if we've got power and srst isn't asserted */
1651                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1652                 {
1653                         /* polling may fail silently until the target has been examined */
1654                         if((retval = target_poll(target)) != ERROR_OK)
1655                                 return retval;
1656                 }
1657
1658                 target = target->next;
1659         }
1660
1661         return retval;
1662 }
1663
1664 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1665 {
1666         target_t *target;
1667         reg_t *reg = NULL;
1668         int count = 0;
1669         char *value;
1670
1671         LOG_DEBUG("-");
1672
1673         target = get_current_target(cmd_ctx);
1674
1675         /* list all available registers for the current target */
1676         if (argc == 0)
1677         {
1678                 reg_cache_t *cache = target->reg_cache;
1679
1680                 count = 0;
1681                 while(cache)
1682                 {
1683                         int i;
1684                         for (i = 0; i < cache->num_regs; i++)
1685                         {
1686                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1687                                 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);
1688                                 free(value);
1689                         }
1690                         cache = cache->next;
1691                 }
1692
1693                 return ERROR_OK;
1694         }
1695
1696         /* access a single register by its ordinal number */
1697         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1698         {
1699                 int num = strtoul(args[0], NULL, 0);
1700                 reg_cache_t *cache = target->reg_cache;
1701
1702                 count = 0;
1703                 while(cache)
1704                 {
1705                         int i;
1706                         for (i = 0; i < cache->num_regs; i++)
1707                         {
1708                                 if (count++ == num)
1709                                 {
1710                                         reg = &cache->reg_list[i];
1711                                         break;
1712                                 }
1713                         }
1714                         if (reg)
1715                                 break;
1716                         cache = cache->next;
1717                 }
1718
1719                 if (!reg)
1720                 {
1721                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1722                         return ERROR_OK;
1723                 }
1724         } else /* access a single register by its name */
1725         {
1726                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1727
1728                 if (!reg)
1729                 {
1730                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1731                         return ERROR_OK;
1732                 }
1733         }
1734
1735         /* display a register */
1736         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1737         {
1738                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1739                         reg->valid = 0;
1740
1741                 if (reg->valid == 0)
1742                 {
1743                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1744                         arch_type->get(reg);
1745                 }
1746                 value = buf_to_str(reg->value, reg->size, 16);
1747                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1748                 free(value);
1749                 return ERROR_OK;
1750         }
1751
1752         /* set register value */
1753         if (argc == 2)
1754         {
1755                 u8 *buf = malloc(CEIL(reg->size, 8));
1756                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1757
1758                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1759                 arch_type->set(reg, buf);
1760
1761                 value = buf_to_str(reg->value, reg->size, 16);
1762                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1763                 free(value);
1764
1765                 free(buf);
1766
1767                 return ERROR_OK;
1768         }
1769
1770         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1771
1772         return ERROR_OK;
1773 }
1774
1775 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1776 {
1777         int retval = ERROR_OK;
1778         target_t *target = get_current_target(cmd_ctx);
1779
1780         if (argc == 0)
1781         {
1782                 command_print(cmd_ctx, "background polling: %s",
1783                                 target_continous_poll ?  "on" : "off");
1784                 if ((retval = target_poll(target)) != ERROR_OK)
1785                         return retval;
1786                 if ((retval = target_arch_state(target)) != ERROR_OK)
1787                         return retval;
1788
1789         }
1790         else if (argc==1)
1791         {
1792                 if (strcmp(args[0], "on") == 0)
1793                 {
1794                         target_continous_poll = 1;
1795                 }
1796                 else if (strcmp(args[0], "off") == 0)
1797                 {
1798                         target_continous_poll = 0;
1799                 }
1800                 else
1801                 {
1802                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1803                 }
1804         } else
1805         {
1806                 return ERROR_COMMAND_SYNTAX_ERROR;
1807         }
1808
1809         return retval;
1810 }
1811
1812 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1813 {
1814         int ms = 5000;
1815
1816         if (argc > 0)
1817         {
1818                 char *end;
1819
1820                 ms = strtoul(args[0], &end, 0) * 1000;
1821                 if (*end)
1822                 {
1823                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1824                         return ERROR_OK;
1825                 }
1826         }
1827         target_t *target = get_current_target(cmd_ctx);
1828
1829         return target_wait_state(target, TARGET_HALTED, ms);
1830 }
1831
1832 /* wait for target state to change. The trick here is to have a low
1833  * latency for short waits and not to suck up all the CPU time
1834  * on longer waits.
1835  *
1836  * After 500ms, keep_alive() is invoked
1837  */
1838 int target_wait_state(target_t *target, enum target_state state, int ms)
1839 {
1840         int retval;
1841         long long then=0, cur;
1842         int once=1;
1843
1844         for (;;)
1845         {
1846                 if ((retval=target_poll(target))!=ERROR_OK)
1847                         return retval;
1848                 if (target->state == state)
1849                 {
1850                         break;
1851                 }
1852                 cur = timeval_ms();
1853                 if (once)
1854                 {
1855                         once=0;
1856                         then = timeval_ms();
1857                         LOG_DEBUG("waiting for target %s...",
1858                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1859                 }
1860
1861                 if (cur-then>500)
1862                 {
1863                         keep_alive();
1864                 }
1865
1866                 if ((cur-then)>ms)
1867                 {
1868                         LOG_ERROR("timed out while waiting for target %s",
1869                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1870                         return ERROR_FAIL;
1871                 }
1872         }
1873
1874         return ERROR_OK;
1875 }
1876
1877 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1878 {
1879         int retval;
1880         target_t *target = get_current_target(cmd_ctx);
1881
1882         LOG_DEBUG("-");
1883
1884         if ((retval = target_halt(target)) != ERROR_OK)
1885         {
1886                 return retval;
1887         }
1888
1889         if (argc == 1)
1890         {
1891                 int wait;
1892                 char *end;
1893
1894                 wait = strtoul(args[0], &end, 0);
1895                 if (!*end && !wait)
1896                         return ERROR_OK;
1897         }
1898
1899         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1900 }
1901
1902 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1903 {
1904         target_t *target = get_current_target(cmd_ctx);
1905
1906         LOG_USER("requesting target halt and executing a soft reset");
1907
1908         target->type->soft_reset_halt(target);
1909
1910         return ERROR_OK;
1911 }
1912
1913 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1914 {
1915         if (argc > 1)
1916                 return ERROR_COMMAND_SYNTAX_ERROR;
1917
1918         enum target_reset_mode reset_mode = RESET_RUN;
1919         if (argc == 1)
1920         {
1921                 const Jim_Nvp *n;
1922                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1923                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1924                         return ERROR_COMMAND_SYNTAX_ERROR;
1925                 }
1926                 reset_mode = n->value;
1927         }
1928
1929         /* reset *all* targets */
1930         return target_process_reset(cmd_ctx, reset_mode);
1931 }
1932
1933
1934 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1935 {
1936         if (argc > 1)
1937                 return ERROR_COMMAND_SYNTAX_ERROR;
1938
1939         target_t *target = get_current_target(cmd_ctx);
1940         target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
1941
1942         /* with no args, resume from current pc, addr = 0,
1943          * with one arguments, addr = args[0],
1944          * handle breakpoints, not debugging */
1945         u32 addr = 0;
1946         if (argc == 1)
1947                 addr = strtoul(args[0], NULL, 0);
1948
1949         return target_resume(target, 0, addr, 1, 0);
1950 }
1951
1952 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1953 {
1954         if (argc > 1)
1955                 return ERROR_COMMAND_SYNTAX_ERROR;
1956
1957         LOG_DEBUG("-");
1958
1959         /* with no args, step from current pc, addr = 0,
1960          * with one argument addr = args[0],
1961          * handle breakpoints, debugging */
1962         u32 addr = 0;
1963         if (argc == 1)
1964                 addr = strtoul(args[0], NULL, 0);
1965
1966         target_t *target = get_current_target(cmd_ctx);
1967         return target->type->step(target, 0, addr, 1);
1968 }
1969
1970 static void handle_md_output(struct command_context_s *cmd_ctx,
1971                 struct target_s *target, u32 address, unsigned size,
1972                 unsigned count, const u8 *buffer)
1973 {
1974         const unsigned line_bytecnt = 32;
1975         unsigned line_modulo = line_bytecnt / size;
1976
1977         char output[line_bytecnt * 4 + 1];
1978         unsigned output_len = 0;
1979
1980         const char *value_fmt;
1981         switch (size) {
1982         case 4: value_fmt = "%8.8x "; break;
1983         case 2: value_fmt = "%4.2x "; break;
1984         case 1: value_fmt = "%2.2x "; break;
1985         default:
1986                 LOG_ERROR("invalid memory read size: %u", size);
1987                 exit(-1);
1988         }
1989
1990         for (unsigned i = 0; i < count; i++)
1991         {
1992                 if (i % line_modulo == 0)
1993                 {
1994                         output_len += snprintf(output + output_len,
1995                                         sizeof(output) - output_len,
1996                                         "0x%8.8x: ", address + (i*size));
1997                 }
1998
1999                 u32 value=0;
2000                 const u8 *value_ptr = buffer + i * size;
2001                 switch (size) {
2002                 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2003                 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2004                 case 1: value = *value_ptr;
2005                 }
2006                 output_len += snprintf(output + output_len,
2007                                 sizeof(output) - output_len,
2008                                 value_fmt, value);
2009
2010                 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2011                 {
2012                         command_print(cmd_ctx, "%s", output);
2013                         output_len = 0;
2014                 }
2015         }
2016 }
2017
2018 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2019 {
2020         if (argc < 1)
2021                 return ERROR_COMMAND_SYNTAX_ERROR;
2022
2023         unsigned size = 0;
2024         switch (cmd[2]) {
2025         case 'w': size = 4; break;
2026         case 'h': size = 2; break;
2027         case 'b': size = 1; break;
2028         default: return ERROR_COMMAND_SYNTAX_ERROR;
2029         }
2030
2031         u32 address = strtoul(args[0], NULL, 0);
2032
2033         unsigned count = 1;
2034         if (argc == 2)
2035                 count = strtoul(args[1], NULL, 0);
2036
2037         u8 *buffer = calloc(count, size);
2038
2039         target_t *target = get_current_target(cmd_ctx);
2040         int retval = target_read_memory(target,
2041                                 address, size, count, buffer);
2042         if (ERROR_OK == retval)
2043                 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2044
2045         free(buffer);
2046
2047         return retval;
2048 }
2049
2050 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2051 {
2052         u32 address = 0;
2053         u32 value = 0;
2054         int count = 1;
2055         int i;
2056         int wordsize;
2057         target_t *target = get_current_target(cmd_ctx);
2058         u8 value_buf[4];
2059
2060          if ((argc < 2) || (argc > 3))
2061                 return ERROR_COMMAND_SYNTAX_ERROR;
2062
2063         address = strtoul(args[0], NULL, 0);
2064         value = strtoul(args[1], NULL, 0);
2065         if (argc == 3)
2066                 count = strtoul(args[2], NULL, 0);
2067
2068         switch (cmd[2])
2069         {
2070                 case 'w':
2071                         wordsize = 4;
2072                         target_buffer_set_u32(target, value_buf, value);
2073                         break;
2074                 case 'h':
2075                         wordsize = 2;
2076                         target_buffer_set_u16(target, value_buf, value);
2077                         break;
2078                 case 'b':
2079                         wordsize = 1;
2080                         value_buf[0] = value;
2081                         break;
2082                 default:
2083                         return ERROR_COMMAND_SYNTAX_ERROR;
2084         }
2085         for (i=0; i<count; i++)
2086         {
2087                 int retval = target_write_memory(target,
2088                                 address + i * wordsize, wordsize, 1, value_buf);
2089                 if (ERROR_OK != retval)
2090                         return retval;
2091                 keep_alive();
2092         }
2093
2094         return ERROR_OK;
2095
2096 }
2097
2098 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2099 {
2100         u8 *buffer;
2101         u32 buf_cnt;
2102         u32 image_size;
2103         u32 min_address=0;
2104         u32 max_address=0xffffffff;
2105         int i;
2106         int retval, retvaltemp;
2107
2108         image_t image;
2109
2110         duration_t duration;
2111         char *duration_text;
2112
2113         target_t *target = get_current_target(cmd_ctx);
2114
2115         if ((argc < 1)||(argc > 5))
2116         {
2117                 return ERROR_COMMAND_SYNTAX_ERROR;
2118         }
2119
2120         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2121         if (argc >= 2)
2122         {
2123                 image.base_address_set = 1;
2124                 image.base_address = strtoul(args[1], NULL, 0);
2125         }
2126         else
2127         {
2128                 image.base_address_set = 0;
2129         }
2130
2131
2132         image.start_address_set = 0;
2133
2134         if (argc>=4)
2135         {
2136                 min_address=strtoul(args[3], NULL, 0);
2137         }
2138         if (argc>=5)
2139         {
2140                 max_address=strtoul(args[4], NULL, 0)+min_address;
2141         }
2142
2143         if (min_address>max_address)
2144         {
2145                 return ERROR_COMMAND_SYNTAX_ERROR;
2146         }
2147
2148         duration_start_measure(&duration);
2149
2150         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2151         {
2152                 return ERROR_OK;
2153         }
2154
2155         image_size = 0x0;
2156         retval = ERROR_OK;
2157         for (i = 0; i < image.num_sections; i++)
2158         {
2159                 buffer = malloc(image.sections[i].size);
2160                 if (buffer == NULL)
2161                 {
2162                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2163                         break;
2164                 }
2165
2166                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2167                 {
2168                         free(buffer);
2169                         break;
2170                 }
2171
2172                 u32 offset=0;
2173                 u32 length=buf_cnt;
2174
2175                 /* DANGER!!! beware of unsigned comparision here!!! */
2176
2177                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2178                                 (image.sections[i].base_address<max_address))
2179                 {
2180                         if (image.sections[i].base_address<min_address)
2181                         {
2182                                 /* clip addresses below */
2183                                 offset+=min_address-image.sections[i].base_address;
2184                                 length-=offset;
2185                         }
2186
2187                         if (image.sections[i].base_address+buf_cnt>max_address)
2188                         {
2189                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2190                         }
2191
2192                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2193                         {
2194                                 free(buffer);
2195                                 break;
2196                         }
2197                         image_size += length;
2198                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2199                 }
2200
2201                 free(buffer);
2202         }
2203
2204         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2205         {
2206                 image_close(&image);
2207                 return retvaltemp;
2208         }
2209
2210         if (retval==ERROR_OK)
2211         {
2212                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2213         }
2214         free(duration_text);
2215
2216         image_close(&image);
2217
2218         return retval;
2219
2220 }
2221
2222 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2223 {
2224         fileio_t fileio;
2225
2226         u32 address;
2227         u32 size;
2228         u8 buffer[560];
2229         int retval=ERROR_OK, retvaltemp;
2230
2231         duration_t duration;
2232         char *duration_text;
2233
2234         target_t *target = get_current_target(cmd_ctx);
2235
2236         if (argc != 3)
2237         {
2238                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2239                 return ERROR_OK;
2240         }
2241
2242         address = strtoul(args[1], NULL, 0);
2243         size = strtoul(args[2], NULL, 0);
2244
2245         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2246         {
2247                 return ERROR_OK;
2248         }
2249
2250         duration_start_measure(&duration);
2251
2252         while (size > 0)
2253         {
2254                 u32 size_written;
2255                 u32 this_run_size = (size > 560) ? 560 : size;
2256
2257                 retval = target_read_buffer(target, address, this_run_size, buffer);
2258                 if (retval != ERROR_OK)
2259                 {
2260                         break;
2261                 }
2262
2263                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2264                 if (retval != ERROR_OK)
2265                 {
2266                         break;
2267                 }
2268
2269                 size -= this_run_size;
2270                 address += this_run_size;
2271         }
2272
2273         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2274                 return retvaltemp;
2275
2276         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2277                 return retvaltemp;
2278
2279         if (retval==ERROR_OK)
2280         {
2281                 command_print(cmd_ctx, "dumped %lld byte in %s",
2282                                 fileio.size, duration_text);
2283                 free(duration_text);
2284         }
2285
2286         return retval;
2287 }
2288
2289 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2290 {
2291         u8 *buffer;
2292         u32 buf_cnt;
2293         u32 image_size;
2294         int i;
2295         int retval, retvaltemp;
2296         u32 checksum = 0;
2297         u32 mem_checksum = 0;
2298
2299         image_t image;
2300
2301         duration_t duration;
2302         char *duration_text;
2303
2304         target_t *target = get_current_target(cmd_ctx);
2305
2306         if (argc < 1)
2307         {
2308                 return ERROR_COMMAND_SYNTAX_ERROR;
2309         }
2310
2311         if (!target)
2312         {
2313                 LOG_ERROR("no target selected");
2314                 return ERROR_FAIL;
2315         }
2316
2317         duration_start_measure(&duration);
2318
2319         if (argc >= 2)
2320         {
2321                 image.base_address_set = 1;
2322                 image.base_address = strtoul(args[1], NULL, 0);
2323         }
2324         else
2325         {
2326                 image.base_address_set = 0;
2327                 image.base_address = 0x0;
2328         }
2329
2330         image.start_address_set = 0;
2331
2332         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2333         {
2334                 return retval;
2335         }
2336
2337         image_size = 0x0;
2338         retval=ERROR_OK;
2339         for (i = 0; i < image.num_sections; i++)
2340         {
2341                 buffer = malloc(image.sections[i].size);
2342                 if (buffer == NULL)
2343                 {
2344                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2345                         break;
2346                 }
2347                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2348                 {
2349                         free(buffer);
2350                         break;
2351                 }
2352
2353                 if (verify)
2354                 {
2355                         /* calculate checksum of image */
2356                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2357
2358                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2359                         if( retval != ERROR_OK )
2360                         {
2361                                 free(buffer);
2362                                 break;
2363                         }
2364
2365                         if( checksum != mem_checksum )
2366                         {
2367                                 /* failed crc checksum, fall back to a binary compare */
2368                                 u8 *data;
2369
2370                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2371
2372                                 data = (u8*)malloc(buf_cnt);
2373
2374                                 /* Can we use 32bit word accesses? */
2375                                 int size = 1;
2376                                 int count = buf_cnt;
2377                                 if ((count % 4) == 0)
2378                                 {
2379                                         size *= 4;
2380                                         count /= 4;
2381                                 }
2382                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2383                                 if (retval == ERROR_OK)
2384                                 {
2385                                         u32 t;
2386                                         for (t = 0; t < buf_cnt; t++)
2387                                         {
2388                                                 if (data[t] != buffer[t])
2389                                                 {
2390                                                         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]);
2391                                                         free(data);
2392                                                         free(buffer);
2393                                                         retval=ERROR_FAIL;
2394                                                         goto done;
2395                                                 }
2396                                                 if ((t%16384)==0)
2397                                                 {
2398                                                         keep_alive();
2399                                                 }
2400                                         }
2401                                 }
2402
2403                                 free(data);
2404                         }
2405                 } else
2406                 {
2407                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2408                 }
2409
2410                 free(buffer);
2411                 image_size += buf_cnt;
2412         }
2413 done:
2414
2415         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2416         {
2417                 image_close(&image);
2418                 return retvaltemp;
2419         }
2420
2421         if (retval==ERROR_OK)
2422         {
2423                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2424         }
2425         free(duration_text);
2426
2427         image_close(&image);
2428
2429         return retval;
2430 }
2431
2432 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2433 {
2434         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2435 }
2436
2437 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2438 {
2439         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2440 }
2441
2442 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2443 {
2444         int retval;
2445         target_t *target = get_current_target(cmd_ctx);
2446
2447         if (argc == 0)
2448         {
2449                 breakpoint_t *breakpoint = target->breakpoints;
2450
2451                 while (breakpoint)
2452                 {
2453                         if (breakpoint->type == BKPT_SOFT)
2454                         {
2455                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2456                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2457                                 free(buf);
2458                         }
2459                         else
2460                         {
2461                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2462                         }
2463                         breakpoint = breakpoint->next;
2464                 }
2465         }
2466         else if (argc >= 2)
2467         {
2468                 int hw = BKPT_SOFT;
2469                 u32 length = 0;
2470
2471                 length = strtoul(args[1], NULL, 0);
2472
2473                 if (argc >= 3)
2474                         if (strcmp(args[2], "hw") == 0)
2475                                 hw = BKPT_HARD;
2476
2477                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2478                 {
2479                         LOG_ERROR("Failure setting breakpoints");
2480                 }
2481                 else
2482                 {
2483                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8lx",
2484                                         strtoul(args[0], NULL, 0));
2485                 }
2486         }
2487         else
2488         {
2489                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2490         }
2491
2492         return ERROR_OK;
2493 }
2494
2495 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2496 {
2497         target_t *target = get_current_target(cmd_ctx);
2498
2499         if (argc > 0)
2500                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2501
2502         return ERROR_OK;
2503 }
2504
2505 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2506 {
2507         target_t *target = get_current_target(cmd_ctx);
2508         int retval;
2509
2510         if (argc == 0)
2511         {
2512                 watchpoint_t *watchpoint = target->watchpoints;
2513
2514                 while (watchpoint)
2515                 {
2516                         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);
2517                         watchpoint = watchpoint->next;
2518                 }
2519         }
2520         else if (argc >= 2)
2521         {
2522                 enum watchpoint_rw type = WPT_ACCESS;
2523                 u32 data_value = 0x0;
2524                 u32 data_mask = 0xffffffff;
2525
2526                 if (argc >= 3)
2527                 {
2528                         switch(args[2][0])
2529                         {
2530                                 case 'r':
2531                                         type = WPT_READ;
2532                                         break;
2533                                 case 'w':
2534                                         type = WPT_WRITE;
2535                                         break;
2536                                 case 'a':
2537                                         type = WPT_ACCESS;
2538                                         break;
2539                                 default:
2540                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2541                                         return ERROR_OK;
2542                         }
2543                 }
2544                 if (argc >= 4)
2545                 {
2546                         data_value = strtoul(args[3], NULL, 0);
2547                 }
2548                 if (argc >= 5)
2549                 {
2550                         data_mask = strtoul(args[4], NULL, 0);
2551                 }
2552
2553                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2554                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2555                 {
2556                         LOG_ERROR("Failure setting breakpoints");
2557                 }
2558         }
2559         else
2560         {
2561                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2562         }
2563
2564         return ERROR_OK;
2565 }
2566
2567 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2568 {
2569         if (argc != 1)
2570                 return ERROR_COMMAND_SYNTAX_ERROR;
2571
2572         target_t *target = get_current_target(cmd_ctx);
2573         watchpoint_remove(target, strtoul(args[0], NULL, 0));
2574
2575         return ERROR_OK;
2576 }
2577
2578
2579 /**
2580  * Translate a virtual address to a physical address.
2581  *
2582  * The low-level target implementation must have logged a detailed error
2583  * which is forwarded to telnet/GDB session.
2584  */
2585 static int handle_virt2phys_command(command_context_t *cmd_ctx,
2586                 char *cmd, char **args, int argc)
2587 {
2588         if (argc != 1)
2589                 return ERROR_COMMAND_SYNTAX_ERROR;
2590
2591         target_t *target = get_current_target(cmd_ctx);
2592         u32 va = strtoul(args[0], NULL, 0);
2593         u32 pa;
2594
2595         int retval = target->type->virt2phys(target, va, &pa);
2596         if (retval == ERROR_OK)
2597                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2598
2599         return retval;
2600 }
2601
2602 static void writeData(FILE *f, const void *data, size_t len)
2603 {
2604         size_t written = fwrite(data, len, 1, f);
2605         if (written != len)
2606                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2607 }
2608
2609 static void writeLong(FILE *f, int l)
2610 {
2611         int i;
2612         for (i=0; i<4; i++)
2613         {
2614                 char c=(l>>(i*8))&0xff;
2615                 writeData(f, &c, 1);
2616         }
2617
2618 }
2619
2620 static void writeString(FILE *f, char *s)
2621 {
2622         writeData(f, s, strlen(s));
2623 }
2624
2625 /* Dump a gmon.out histogram file. */
2626 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2627 {
2628         u32 i;
2629         FILE *f=fopen(filename, "w");
2630         if (f==NULL)
2631                 return;
2632         writeString(f, "gmon");
2633         writeLong(f, 0x00000001); /* Version */
2634         writeLong(f, 0); /* padding */
2635         writeLong(f, 0); /* padding */
2636         writeLong(f, 0); /* padding */
2637
2638         u8 zero = 0;  /* GMON_TAG_TIME_HIST */
2639         writeData(f, &zero, 1);
2640
2641         /* figure out bucket size */
2642         u32 min=samples[0];
2643         u32 max=samples[0];
2644         for (i=0; i<sampleNum; i++)
2645         {
2646                 if (min>samples[i])
2647                 {
2648                         min=samples[i];
2649                 }
2650                 if (max<samples[i])
2651                 {
2652                         max=samples[i];
2653                 }
2654         }
2655
2656         int addressSpace=(max-min+1);
2657
2658         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2659         u32 length = addressSpace;
2660         if (length > maxBuckets)
2661         {
2662                 length=maxBuckets;
2663         }
2664         int *buckets=malloc(sizeof(int)*length);
2665         if (buckets==NULL)
2666         {
2667                 fclose(f);
2668                 return;
2669         }
2670         memset(buckets, 0, sizeof(int)*length);
2671         for (i=0; i<sampleNum;i++)
2672         {
2673                 u32 address=samples[i];
2674                 long long a=address-min;
2675                 long long b=length-1;
2676                 long long c=addressSpace-1;
2677                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2678                 buckets[index]++;
2679         }
2680
2681         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2682         writeLong(f, min);                      /* low_pc */
2683         writeLong(f, max);                      /* high_pc */
2684         writeLong(f, length);           /* # of samples */
2685         writeLong(f, 64000000);         /* 64MHz */
2686         writeString(f, "seconds");
2687         for (i=0; i<(15-strlen("seconds")); i++)
2688                 writeData(f, &zero, 1);
2689         writeString(f, "s");
2690
2691         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2692
2693         char *data=malloc(2*length);
2694         if (data!=NULL)
2695         {
2696                 for (i=0; i<length;i++)
2697                 {
2698                         int val;
2699                         val=buckets[i];
2700                         if (val>65535)
2701                         {
2702                                 val=65535;
2703                         }
2704                         data[i*2]=val&0xff;
2705                         data[i*2+1]=(val>>8)&0xff;
2706                 }
2707                 free(buckets);
2708                 writeData(f, data, length * 2);
2709                 free(data);
2710         } else
2711         {
2712                 free(buckets);
2713         }
2714
2715         fclose(f);
2716 }
2717
2718 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2719 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2720 {
2721         target_t *target = get_current_target(cmd_ctx);
2722         struct timeval timeout, now;
2723
2724         gettimeofday(&timeout, NULL);
2725         if (argc!=2)
2726         {
2727                 return ERROR_COMMAND_SYNTAX_ERROR;
2728         }
2729         char *end;
2730         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2731         if (*end)
2732         {
2733                 return ERROR_OK;
2734         }
2735
2736         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2737
2738         static const int maxSample=10000;
2739         u32 *samples=malloc(sizeof(u32)*maxSample);
2740         if (samples==NULL)
2741                 return ERROR_OK;
2742
2743         int numSamples=0;
2744         int retval=ERROR_OK;
2745         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2746         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2747
2748         for (;;)
2749         {
2750                 target_poll(target);
2751                 if (target->state == TARGET_HALTED)
2752                 {
2753                         u32 t=*((u32 *)reg->value);
2754                         samples[numSamples++]=t;
2755                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2756                         target_poll(target);
2757                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2758                 } else if (target->state == TARGET_RUNNING)
2759                 {
2760                         /* We want to quickly sample the PC. */
2761                         if((retval = target_halt(target)) != ERROR_OK)
2762                         {
2763                                 free(samples);
2764                                 return retval;
2765                         }
2766                 } else
2767                 {
2768                         command_print(cmd_ctx, "Target not halted or running");
2769                         retval=ERROR_OK;
2770                         break;
2771                 }
2772                 if (retval!=ERROR_OK)
2773                 {
2774                         break;
2775                 }
2776
2777                 gettimeofday(&now, NULL);
2778                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2779                 {
2780                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2781                         if((retval = target_poll(target)) != ERROR_OK)
2782                         {
2783                                 free(samples);
2784                                 return retval;
2785                         }
2786                         if (target->state == TARGET_HALTED)
2787                         {
2788                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2789                         }
2790                         if((retval = target_poll(target)) != ERROR_OK)
2791                         {
2792                                 free(samples);
2793                                 return retval;
2794                         }
2795                         writeGmon(samples, numSamples, args[1]);
2796                         command_print(cmd_ctx, "Wrote %s", args[1]);
2797                         break;
2798                 }
2799         }
2800         free(samples);
2801
2802         return ERROR_OK;
2803 }
2804
2805 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2806 {
2807         char *namebuf;
2808         Jim_Obj *nameObjPtr, *valObjPtr;
2809         int result;
2810
2811         namebuf = alloc_printf("%s(%d)", varname, idx);
2812         if (!namebuf)
2813                 return JIM_ERR;
2814
2815         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2816         valObjPtr = Jim_NewIntObj(interp, val);
2817         if (!nameObjPtr || !valObjPtr)
2818         {
2819                 free(namebuf);
2820                 return JIM_ERR;
2821         }
2822
2823         Jim_IncrRefCount(nameObjPtr);
2824         Jim_IncrRefCount(valObjPtr);
2825         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2826         Jim_DecrRefCount(interp, nameObjPtr);
2827         Jim_DecrRefCount(interp, valObjPtr);
2828         free(namebuf);
2829         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2830         return result;
2831 }
2832
2833 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2834 {
2835         command_context_t *context;
2836         target_t *target;
2837
2838         context = Jim_GetAssocData(interp, "context");
2839         if (context == NULL)
2840         {
2841                 LOG_ERROR("mem2array: no command context");
2842                 return JIM_ERR;
2843         }
2844         target = get_current_target(context);
2845         if (target == NULL)
2846         {
2847                 LOG_ERROR("mem2array: no current target");
2848                 return JIM_ERR;
2849         }
2850
2851         return  target_mem2array(interp, target, argc-1, argv+1);
2852 }
2853
2854 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2855 {
2856         long l;
2857         u32 width;
2858         int len;
2859         u32 addr;
2860         u32 count;
2861         u32 v;
2862         const char *varname;
2863         u8 buffer[4096];
2864         int  n, e, retval;
2865         u32 i;
2866
2867         /* argv[1] = name of array to receive the data
2868          * argv[2] = desired width
2869          * argv[3] = memory address
2870          * argv[4] = count of times to read
2871          */
2872         if (argc != 4) {
2873                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2874                 return JIM_ERR;
2875         }
2876         varname = Jim_GetString(argv[0], &len);
2877         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2878
2879         e = Jim_GetLong(interp, argv[1], &l);
2880         width = l;
2881         if (e != JIM_OK) {
2882                 return e;
2883         }
2884
2885         e = Jim_GetLong(interp, argv[2], &l);
2886         addr = l;
2887         if (e != JIM_OK) {
2888                 return e;
2889         }
2890         e = Jim_GetLong(interp, argv[3], &l);
2891         len = l;
2892         if (e != JIM_OK) {
2893                 return e;
2894         }
2895         switch (width) {
2896                 case 8:
2897                         width = 1;
2898                         break;
2899                 case 16:
2900                         width = 2;
2901                         break;
2902                 case 32:
2903                         width = 4;
2904                         break;
2905                 default:
2906                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2907                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2908                         return JIM_ERR;
2909         }
2910         if (len == 0) {
2911                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2912                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2913                 return JIM_ERR;
2914         }
2915         if ((addr + (len * width)) < addr) {
2916                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2917                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2918                 return JIM_ERR;
2919         }
2920         /* absurd transfer size? */
2921         if (len > 65536) {
2922                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2923                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2924                 return JIM_ERR;
2925         }
2926
2927         if ((width == 1) ||
2928                 ((width == 2) && ((addr & 1) == 0)) ||
2929                 ((width == 4) && ((addr & 3) == 0))) {
2930                 /* all is well */
2931         } else {
2932                 char buf[100];
2933                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2934                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2935                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2936                 return JIM_ERR;
2937         }
2938
2939         /* Transfer loop */
2940
2941         /* index counter */
2942         n = 0;
2943         /* assume ok */
2944         e = JIM_OK;
2945         while (len) {
2946                 /* Slurp... in buffer size chunks */
2947
2948                 count = len; /* in objects.. */
2949                 if (count > (sizeof(buffer)/width)) {
2950                         count = (sizeof(buffer)/width);
2951                 }
2952
2953                 retval = target_read_memory( target, addr, width, count, buffer );
2954                 if (retval != ERROR_OK) {
2955                         /* BOO !*/
2956                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2957                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2958                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2959                         e = JIM_ERR;
2960                         len = 0;
2961                 } else {
2962                         v = 0; /* shut up gcc */
2963                         for (i = 0 ;i < count ;i++, n++) {
2964                                 switch (width) {
2965                                         case 4:
2966                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2967                                                 break;
2968                                         case 2:
2969                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2970                                                 break;
2971                                         case 1:
2972                                                 v = buffer[i] & 0x0ff;
2973                                                 break;
2974                                 }
2975                                 new_int_array_element(interp, varname, n, v);
2976                         }
2977                         len -= count;
2978                 }
2979         }
2980
2981         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2982
2983         return JIM_OK;
2984 }
2985
2986 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2987 {
2988         char *namebuf;
2989         Jim_Obj *nameObjPtr, *valObjPtr;
2990         int result;
2991         long l;
2992
2993         namebuf = alloc_printf("%s(%d)", varname, idx);
2994         if (!namebuf)
2995                 return JIM_ERR;
2996
2997         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2998         if (!nameObjPtr)
2999         {
3000                 free(namebuf);
3001                 return JIM_ERR;
3002         }
3003
3004         Jim_IncrRefCount(nameObjPtr);
3005         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3006         Jim_DecrRefCount(interp, nameObjPtr);
3007         free(namebuf);
3008         if (valObjPtr == NULL)
3009                 return JIM_ERR;
3010
3011         result = Jim_GetLong(interp, valObjPtr, &l);
3012         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3013         *val = l;
3014         return result;
3015 }
3016
3017 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3018 {
3019         command_context_t *context;
3020         target_t *target;
3021
3022         context = Jim_GetAssocData(interp, "context");
3023         if (context == NULL){
3024                 LOG_ERROR("array2mem: no command context");
3025                 return JIM_ERR;
3026         }
3027         target = get_current_target(context);
3028         if (target == NULL){
3029                 LOG_ERROR("array2mem: no current target");
3030                 return JIM_ERR;
3031         }
3032
3033         return target_array2mem( interp,target, argc-1, argv+1 );
3034 }
3035
3036 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3037 {
3038         long l;
3039         u32 width;
3040         int len;
3041         u32 addr;
3042         u32 count;
3043         u32 v;
3044         const char *varname;
3045         u8 buffer[4096];
3046         int  n, e, retval;
3047         u32 i;
3048
3049         /* argv[1] = name of array to get the data
3050          * argv[2] = desired width
3051          * argv[3] = memory address
3052          * argv[4] = count to write
3053          */
3054         if (argc != 4) {
3055                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3056                 return JIM_ERR;
3057         }
3058         varname = Jim_GetString(argv[0], &len);
3059         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3060
3061         e = Jim_GetLong(interp, argv[1], &l);
3062         width = l;
3063         if (e != JIM_OK) {
3064                 return e;
3065         }
3066
3067         e = Jim_GetLong(interp, argv[2], &l);
3068         addr = l;
3069         if (e != JIM_OK) {
3070                 return e;
3071         }
3072         e = Jim_GetLong(interp, argv[3], &l);
3073         len = l;
3074         if (e != JIM_OK) {
3075                 return e;
3076         }
3077         switch (width) {
3078                 case 8:
3079                         width = 1;
3080                         break;
3081                 case 16:
3082                         width = 2;
3083                         break;
3084                 case 32:
3085                         width = 4;
3086                         break;
3087                 default:
3088                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3089                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
3090                         return JIM_ERR;
3091         }
3092         if (len == 0) {
3093                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3094                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3095                 return JIM_ERR;
3096         }
3097         if ((addr + (len * width)) < addr) {
3098                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3099                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3100                 return JIM_ERR;
3101         }
3102         /* absurd transfer size? */
3103         if (len > 65536) {
3104                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3105                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3106                 return JIM_ERR;
3107         }
3108
3109         if ((width == 1) ||
3110                 ((width == 2) && ((addr & 1) == 0)) ||
3111                 ((width == 4) && ((addr & 3) == 0))) {
3112                 /* all is well */
3113         } else {
3114                 char buf[100];
3115                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3116                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3117                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3118                 return JIM_ERR;
3119         }
3120
3121         /* Transfer loop */
3122
3123         /* index counter */
3124         n = 0;
3125         /* assume ok */
3126         e = JIM_OK;
3127         while (len) {
3128                 /* Slurp... in buffer size chunks */
3129
3130                 count = len; /* in objects.. */
3131                 if (count > (sizeof(buffer)/width)) {
3132                         count = (sizeof(buffer)/width);
3133                 }
3134
3135                 v = 0; /* shut up gcc */
3136                 for (i = 0 ;i < count ;i++, n++) {
3137                         get_int_array_element(interp, varname, n, &v);
3138                         switch (width) {
3139                         case 4:
3140                                 target_buffer_set_u32(target, &buffer[i*width], v);
3141                                 break;
3142                         case 2:
3143                                 target_buffer_set_u16(target, &buffer[i*width], v);
3144                                 break;
3145                         case 1:
3146                                 buffer[i] = v & 0x0ff;
3147                                 break;
3148                         }
3149                 }
3150                 len -= count;
3151
3152                 retval = target_write_memory(target, addr, width, count, buffer);
3153                 if (retval != ERROR_OK) {
3154                         /* BOO !*/
3155                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3156                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3157                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3158                         e = JIM_ERR;
3159                         len = 0;
3160                 }
3161         }
3162
3163         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3164
3165         return JIM_OK;
3166 }
3167
3168 void target_all_handle_event( enum target_event e )
3169 {
3170         target_t *target;
3171
3172         LOG_DEBUG( "**all*targets: event: %d, %s",
3173                         e,
3174                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3175
3176         target = all_targets;
3177         while (target){
3178                 target_handle_event( target, e );
3179                 target = target->next;
3180         }
3181 }
3182
3183 void target_handle_event( target_t *target, enum target_event e )
3184 {
3185         target_event_action_t *teap;
3186         int done;
3187
3188         teap = target->event_action;
3189
3190         done = 0;
3191         while( teap ){
3192                 if( teap->event == e ){
3193                         done = 1;
3194                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3195                                            target->target_number,
3196                                            target->cmd_name,
3197                                            target_get_name(target),
3198                                            e,
3199                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3200                                            Jim_GetString( teap->body, NULL ) );
3201                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3202                         {
3203                                 Jim_PrintErrorMessage(interp);
3204                         }
3205                 }
3206                 teap = teap->next;
3207         }
3208         if( !done ){
3209                 LOG_DEBUG( "event: %d %s - no action",
3210                                    e,
3211                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3212         }
3213 }
3214
3215 enum target_cfg_param {
3216         TCFG_TYPE,
3217         TCFG_EVENT,
3218         TCFG_WORK_AREA_VIRT,
3219         TCFG_WORK_AREA_PHYS,
3220         TCFG_WORK_AREA_SIZE,
3221         TCFG_WORK_AREA_BACKUP,
3222         TCFG_ENDIAN,
3223         TCFG_VARIANT,
3224         TCFG_CHAIN_POSITION,
3225 };
3226
3227 static Jim_Nvp nvp_config_opts[] = {
3228         { .name = "-type",             .value = TCFG_TYPE },
3229         { .name = "-event",            .value = TCFG_EVENT },
3230         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3231         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3232         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3233         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3234         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3235         { .name = "-variant",          .value = TCFG_VARIANT },
3236         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3237
3238         { .name = NULL, .value = -1 }
3239 };
3240
3241 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3242 {
3243         Jim_Nvp *n;
3244         Jim_Obj *o;
3245         jim_wide w;
3246         char *cp;
3247         int e;
3248
3249         /* parse config or cget options ... */
3250         while( goi->argc > 0 ){
3251                 Jim_SetEmptyResult( goi->interp );
3252                 /* Jim_GetOpt_Debug( goi ); */
3253
3254                 if( target->type->target_jim_configure ){
3255                         /* target defines a configure function */
3256                         /* target gets first dibs on parameters */
3257                         e = (*(target->type->target_jim_configure))( target, goi );
3258                         if( e == JIM_OK ){
3259                                 /* more? */
3260                                 continue;
3261                         }
3262                         if( e == JIM_ERR ){
3263                                 /* An error */
3264                                 return e;
3265                         }
3266                         /* otherwise we 'continue' below */
3267                 }
3268                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3269                 if( e != JIM_OK ){
3270                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3271                         return e;
3272                 }
3273                 switch( n->value ){
3274                 case TCFG_TYPE:
3275                         /* not setable */
3276                         if( goi->isconfigure ){
3277                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3278                                 return JIM_ERR;
3279                         } else {
3280                         no_params:
3281                                 if( goi->argc != 0 ){
3282                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3283                                         return JIM_ERR;
3284                                 }
3285                         }
3286                         Jim_SetResultString( goi->interp, target_get_name(target), -1 );
3287                         /* loop for more */
3288                         break;
3289                 case TCFG_EVENT:
3290                         if( goi->argc == 0 ){
3291                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3292                                 return JIM_ERR;
3293                         }
3294
3295                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3296                         if( e != JIM_OK ){
3297                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3298                                 return e;
3299                         }
3300
3301                         if( goi->isconfigure ){
3302                                 if( goi->argc != 1 ){
3303                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3304                                         return JIM_ERR;
3305                                 }
3306                         } else {
3307                                 if( goi->argc != 0 ){
3308                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3309                                         return JIM_ERR;
3310                                 }
3311                         }
3312
3313                         {
3314                                 target_event_action_t *teap;
3315
3316                                 teap = target->event_action;
3317                                 /* replace existing? */
3318                                 while( teap ){
3319                                         if( teap->event == (enum target_event)n->value ){
3320                                                 break;
3321                                         }
3322                                         teap = teap->next;
3323                                 }
3324
3325                                 if( goi->isconfigure ){
3326                                         if( teap == NULL ){
3327                                                 /* create new */
3328                                                 teap = calloc( 1, sizeof(*teap) );
3329                                         }
3330                                         teap->event = n->value;
3331                                         Jim_GetOpt_Obj( goi, &o );
3332                                         if( teap->body ){
3333                                                 Jim_DecrRefCount( interp, teap->body );
3334                                         }
3335                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3336                                         /*
3337                                          * FIXME:
3338                                          *     Tcl/TK - "tk events" have a nice feature.
3339                                          *     See the "BIND" command.
3340                                          *    We should support that here.
3341                                          *     You can specify %X and %Y in the event code.
3342                                          *     The idea is: %T - target name.
3343                                          *     The idea is: %N - target number
3344                                          *     The idea is: %E - event name.
3345                                          */
3346                                         Jim_IncrRefCount( teap->body );
3347
3348                                         /* add to head of event list */
3349                                         teap->next = target->event_action;
3350                                         target->event_action = teap;
3351                                         Jim_SetEmptyResult(goi->interp);
3352                                 } else {
3353                                         /* get */
3354                                         if( teap == NULL ){
3355                                                 Jim_SetEmptyResult( goi->interp );
3356                                         } else {
3357                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3358                                         }
3359                                 }
3360                         }
3361                         /* loop for more */
3362                         break;
3363
3364                 case TCFG_WORK_AREA_VIRT:
3365                         if( goi->isconfigure ){
3366                                 target_free_all_working_areas(target);
3367                                 e = Jim_GetOpt_Wide( goi, &w );
3368                                 if( e != JIM_OK ){
3369                                         return e;
3370                                 }
3371                                 target->working_area_virt = w;
3372                         } else {
3373                                 if( goi->argc != 0 ){
3374                                         goto no_params;
3375                                 }
3376                         }
3377                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3378                         /* loop for more */
3379                         break;
3380
3381                 case TCFG_WORK_AREA_PHYS:
3382                         if( goi->isconfigure ){
3383                                 target_free_all_working_areas(target);
3384                                 e = Jim_GetOpt_Wide( goi, &w );
3385                                 if( e != JIM_OK ){
3386                                         return e;
3387                                 }
3388                                 target->working_area_phys = w;
3389                         } else {
3390                                 if( goi->argc != 0 ){
3391                                         goto no_params;
3392                                 }
3393                         }
3394                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3395                         /* loop for more */
3396                         break;
3397
3398                 case TCFG_WORK_AREA_SIZE:
3399                         if( goi->isconfigure ){
3400                                 target_free_all_working_areas(target);
3401                                 e = Jim_GetOpt_Wide( goi, &w );
3402                                 if( e != JIM_OK ){
3403                                         return e;
3404                                 }
3405                                 target->working_area_size = w;
3406                         } else {
3407                                 if( goi->argc != 0 ){
3408                                         goto no_params;
3409                                 }
3410                         }
3411                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3412                         /* loop for more */
3413                         break;
3414
3415                 case TCFG_WORK_AREA_BACKUP:
3416                         if( goi->isconfigure ){
3417                                 target_free_all_working_areas(target);
3418                                 e = Jim_GetOpt_Wide( goi, &w );
3419                                 if( e != JIM_OK ){
3420                                         return e;
3421                                 }
3422                                 /* make this exactly 1 or 0 */
3423                                 target->backup_working_area = (!!w);
3424                         } else {
3425                                 if( goi->argc != 0 ){
3426                                         goto no_params;
3427                                 }
3428                         }
3429                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3430                         /* loop for more e*/
3431                         break;
3432
3433                 case TCFG_ENDIAN:
3434                         if( goi->isconfigure ){
3435                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3436                                 if( e != JIM_OK ){
3437                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3438                                         return e;
3439                                 }
3440                                 target->endianness = n->value;
3441                         } else {
3442                                 if( goi->argc != 0 ){
3443                                         goto no_params;
3444                                 }
3445                         }
3446                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3447                         if( n->name == NULL ){
3448                                 target->endianness = TARGET_LITTLE_ENDIAN;
3449                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3450                         }
3451                         Jim_SetResultString( goi->interp, n->name, -1 );
3452                         /* loop for more */
3453                         break;
3454
3455                 case TCFG_VARIANT:
3456                         if( goi->isconfigure ){
3457                                 if( goi->argc < 1 ){
3458                                         Jim_SetResult_sprintf( goi->interp,
3459                                                                                    "%s ?STRING?",
3460                                                                                    n->name );
3461                                         return JIM_ERR;
3462                                 }
3463                                 if( target->variant ){
3464                                         free((void *)(target->variant));
3465                                 }
3466                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3467                                 target->variant = strdup(cp);
3468                         } else {
3469                                 if( goi->argc != 0 ){
3470                                         goto no_params;
3471                                 }
3472                         }
3473                         Jim_SetResultString( goi->interp, target->variant,-1 );
3474                         /* loop for more */
3475                         break;
3476                 case TCFG_CHAIN_POSITION:
3477                         if( goi->isconfigure ){
3478                                 Jim_Obj *o;
3479                                 jtag_tap_t *tap;
3480                                 target_free_all_working_areas(target);
3481                                 e = Jim_GetOpt_Obj( goi, &o );
3482                                 if( e != JIM_OK ){
3483                                         return e;
3484                                 }
3485                                 tap = jtag_tap_by_jim_obj( goi->interp, o );
3486                                 if( tap == NULL ){
3487                                         return JIM_ERR;
3488                                 }
3489                                 /* make this exactly 1 or 0 */
3490                                 target->tap = tap;
3491                         } else {
3492                                 if( goi->argc != 0 ){
3493                                         goto no_params;
3494                                 }
3495                         }
3496                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3497                         /* loop for more e*/
3498                         break;
3499                 }
3500         } /* while( goi->argc ) */
3501
3502
3503                 /* done - we return */
3504         return JIM_OK;
3505 }
3506
3507 /** this is the 'tcl' handler for the target specific command */
3508 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3509 {
3510         Jim_GetOptInfo goi;
3511         jim_wide a,b,c;
3512         int x,y,z;
3513         u8  target_buf[32];
3514         Jim_Nvp *n;
3515         target_t *target;
3516         struct command_context_s *cmd_ctx;
3517         int e;
3518
3519         enum {
3520                 TS_CMD_CONFIGURE,
3521                 TS_CMD_CGET,
3522
3523                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3524                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3525                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3526                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3527                 TS_CMD_EXAMINE,
3528                 TS_CMD_POLL,
3529                 TS_CMD_RESET,
3530                 TS_CMD_HALT,
3531                 TS_CMD_WAITSTATE,
3532                 TS_CMD_EVENTLIST,
3533                 TS_CMD_CURSTATE,
3534                 TS_CMD_INVOKE_EVENT,
3535         };
3536
3537         static const Jim_Nvp target_options[] = {
3538                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3539                 { .name = "cget", .value = TS_CMD_CGET },
3540                 { .name = "mww", .value = TS_CMD_MWW },
3541                 { .name = "mwh", .value = TS_CMD_MWH },
3542                 { .name = "mwb", .value = TS_CMD_MWB },
3543                 { .name = "mdw", .value = TS_CMD_MDW },
3544                 { .name = "mdh", .value = TS_CMD_MDH },
3545                 { .name = "mdb", .value = TS_CMD_MDB },
3546                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3547                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3548                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3549                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3550
3551                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3552                 { .name = "arp_poll", .value = TS_CMD_POLL },
3553                 { .name = "arp_reset", .value = TS_CMD_RESET },
3554                 { .name = "arp_halt", .value = TS_CMD_HALT },
3555                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3556                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3557
3558                 { .name = NULL, .value = -1 },
3559         };
3560
3561         /* go past the "command" */
3562         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3563
3564         target = Jim_CmdPrivData( goi.interp );
3565         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3566
3567         /* commands here are in an NVP table */
3568         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3569         if( e != JIM_OK ){
3570                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3571                 return e;
3572         }
3573         /* Assume blank result */
3574         Jim_SetEmptyResult( goi.interp );
3575
3576         switch( n->value ){
3577         case TS_CMD_CONFIGURE:
3578                 if( goi.argc < 2 ){
3579                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3580                         return JIM_ERR;
3581                 }
3582                 goi.isconfigure = 1;
3583                 return target_configure( &goi, target );
3584         case TS_CMD_CGET:
3585                 // some things take params
3586                 if( goi.argc < 1 ){
3587                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3588                         return JIM_ERR;
3589                 }
3590                 goi.isconfigure = 0;
3591                 return target_configure( &goi, target );
3592                 break;
3593         case TS_CMD_MWW:
3594         case TS_CMD_MWH:
3595         case TS_CMD_MWB:
3596                 /* argv[0] = cmd
3597                  * argv[1] = address
3598                  * argv[2] = data
3599                  * argv[3] = optional count.
3600                  */
3601
3602                 if( (goi.argc == 3) || (goi.argc == 4) ){
3603                         /* all is well */
3604                 } else {
3605                 mwx_error:
3606                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3607                         return JIM_ERR;
3608                 }
3609
3610                 e = Jim_GetOpt_Wide( &goi, &a );
3611                 if( e != JIM_OK ){
3612                         goto mwx_error;
3613                 }
3614
3615                 e = Jim_GetOpt_Wide( &goi, &b );
3616                 if( e != JIM_OK ){
3617                         goto mwx_error;
3618                 }
3619                 if( goi.argc ){
3620                         e = Jim_GetOpt_Wide( &goi, &c );
3621                         if( e != JIM_OK ){
3622                                 goto mwx_error;
3623                         }
3624                 } else {
3625                         c = 1;
3626                 }
3627
3628                 switch( n->value ){
3629                 case TS_CMD_MWW:
3630                         target_buffer_set_u32( target, target_buf, b );
3631                         b = 4;
3632                         break;
3633                 case TS_CMD_MWH:
3634                         target_buffer_set_u16( target, target_buf, b );
3635                         b = 2;
3636                         break;
3637                 case TS_CMD_MWB:
3638                         target_buffer_set_u8( target, target_buf, b );
3639                         b = 1;
3640                         break;
3641                 }
3642                 for( x = 0 ; x < c ; x++ ){
3643                         e = target_write_memory( target, a, b, 1, target_buf );
3644                         if( e != ERROR_OK ){
3645                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3646                                 return JIM_ERR;
3647                         }
3648                         /* b = width */
3649                         a = a + b;
3650                 }
3651                 return JIM_OK;
3652                 break;
3653
3654                 /* display */
3655         case TS_CMD_MDW:
3656         case TS_CMD_MDH:
3657         case TS_CMD_MDB:
3658                 /* argv[0] = command
3659                  * argv[1] = address
3660                  * argv[2] = optional count
3661                  */
3662                 if( (goi.argc == 2) || (goi.argc == 3) ){
3663                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3664                         return JIM_ERR;
3665                 }
3666                 e = Jim_GetOpt_Wide( &goi, &a );
3667                 if( e != JIM_OK ){
3668                         return JIM_ERR;
3669                 }
3670                 if( goi.argc ){
3671                         e = Jim_GetOpt_Wide( &goi, &c );
3672                         if( e != JIM_OK ){
3673                                 return JIM_ERR;
3674                         }
3675                 } else {
3676                         c = 1;
3677                 }
3678                 b = 1; /* shut up gcc */
3679                 switch( n->value ){
3680                 case TS_CMD_MDW:
3681                         b =  4;
3682                         break;
3683                 case TS_CMD_MDH:
3684                         b = 2;
3685                         break;
3686                 case TS_CMD_MDB:
3687                         b = 1;
3688                         break;
3689                 }
3690
3691                 /* convert to "bytes" */
3692                 c = c * b;
3693                 /* count is now in 'BYTES' */
3694                 while( c > 0 ){
3695                         y = c;
3696                         if( y > 16 ){
3697                                 y = 16;
3698                         }
3699                         e = target_read_memory( target, a, b, y / b, target_buf );
3700                         if( e != ERROR_OK ){
3701                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3702                                 return JIM_ERR;
3703                         }
3704
3705                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3706                         switch( b ){
3707                         case 4:
3708                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3709                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3710                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3711                                 }
3712                                 for( ; (x < 16) ; x += 4 ){
3713                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3714                                 }
3715                                 break;
3716                         case 2:
3717                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3718                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3719                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3720                                 }
3721                                 for( ; (x < 16) ; x += 2 ){
3722                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3723                                 }
3724                                 break;
3725                         case 1:
3726                         default:
3727                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3728                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3729                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3730                                 }
3731                                 for( ; (x < 16) ; x += 1 ){
3732                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3733                                 }
3734                                 break;
3735                         }
3736                         /* ascii-ify the bytes */
3737                         for( x = 0 ; x < y ; x++ ){
3738                                 if( (target_buf[x] >= 0x20) &&
3739                                         (target_buf[x] <= 0x7e) ){
3740                                         /* good */
3741                                 } else {
3742                                         /* smack it */
3743                                         target_buf[x] = '.';
3744                                 }
3745                         }
3746                         /* space pad  */
3747                         while( x < 16 ){
3748                                 target_buf[x] = ' ';
3749                                 x++;
3750                         }
3751                         /* terminate */
3752                         target_buf[16] = 0;
3753                         /* print - with a newline */
3754                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3755                         /* NEXT... */
3756                         c -= 16;
3757                         a += 16;
3758                 }
3759                 return JIM_OK;
3760         case TS_CMD_MEM2ARRAY:
3761                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3762                 break;
3763         case TS_CMD_ARRAY2MEM:
3764                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3765                 break;
3766         case TS_CMD_EXAMINE:
3767                 if( goi.argc ){
3768                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3769                         return JIM_ERR;
3770                 }
3771                 if (!target->tap->enabled)
3772                         goto err_tap_disabled;
3773                 e = target->type->examine( target );
3774                 if( e != ERROR_OK ){
3775                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3776                         return JIM_ERR;
3777                 }
3778                 return JIM_OK;
3779         case TS_CMD_POLL:
3780                 if( goi.argc ){
3781                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3782                         return JIM_ERR;
3783                 }
3784                 if (!target->tap->enabled)
3785                         goto err_tap_disabled;
3786                 if( !(target_was_examined(target)) ){
3787                         e = ERROR_TARGET_NOT_EXAMINED;
3788                 } else {
3789                         e = target->type->poll( target );
3790                 }
3791                 if( e != ERROR_OK ){
3792                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3793                         return JIM_ERR;
3794                 } else {
3795                         return JIM_OK;
3796                 }
3797                 break;
3798         case TS_CMD_RESET:
3799                 if( goi.argc != 2 ){
3800                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3801                         return JIM_ERR;
3802                 }
3803                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3804                 if( e != JIM_OK ){
3805                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3806                         return e;
3807                 }
3808                 /* the halt or not param */
3809                 e = Jim_GetOpt_Wide( &goi, &a);
3810                 if( e != JIM_OK ){
3811                         return e;
3812                 }
3813                 if (!target->tap->enabled)
3814                         goto err_tap_disabled;
3815                 /* determine if we should halt or not. */
3816                 target->reset_halt = !!a;
3817                 /* When this happens - all workareas are invalid. */
3818                 target_free_all_working_areas_restore(target, 0);
3819
3820                 /* do the assert */
3821                 if( n->value == NVP_ASSERT ){
3822                         target->type->assert_reset( target );
3823                 } else {
3824                         target->type->deassert_reset( target );
3825                 }
3826                 return JIM_OK;
3827         case TS_CMD_HALT:
3828                 if( goi.argc ){
3829                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3830                         return JIM_ERR;
3831                 }
3832                 if (!target->tap->enabled)
3833                         goto err_tap_disabled;
3834                 target->type->halt( target );
3835                 return JIM_OK;
3836         case TS_CMD_WAITSTATE:
3837                 /* params:  <name>  statename timeoutmsecs */
3838                 if( goi.argc != 2 ){
3839                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3840                         return JIM_ERR;
3841                 }
3842                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3843                 if( e != JIM_OK ){
3844                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3845                         return e;
3846                 }
3847                 e = Jim_GetOpt_Wide( &goi, &a );
3848                 if( e != JIM_OK ){
3849                         return e;
3850                 }
3851                 if (!target->tap->enabled)
3852                         goto err_tap_disabled;
3853                 e = target_wait_state( target, n->value, a );
3854                 if( e != ERROR_OK ){
3855                         Jim_SetResult_sprintf( goi.interp,
3856                                                                    "target: %s wait %s fails (%d) %s",
3857                                                                    target->cmd_name,
3858                                                                    n->name,
3859                                                                    e, target_strerror_safe(e) );
3860                         return JIM_ERR;
3861                 } else {
3862                         return JIM_OK;
3863                 }
3864         case TS_CMD_EVENTLIST:
3865                 /* List for human, Events defined for this target.
3866                  * scripts/programs should use 'name cget -event NAME'
3867                  */
3868                 {
3869                         target_event_action_t *teap;
3870                         teap = target->event_action;
3871                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3872                                                    target->target_number,
3873                                                    target->cmd_name );
3874                         command_print( cmd_ctx, "%-25s | Body", "Event");
3875                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3876                         while( teap ){
3877                                 command_print( cmd_ctx,
3878                                                            "%-25s | %s",
3879                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3880                                                            Jim_GetString( teap->body, NULL ) );
3881                                 teap = teap->next;
3882                         }
3883                         command_print( cmd_ctx, "***END***");
3884                         return JIM_OK;
3885                 }
3886         case TS_CMD_CURSTATE:
3887                 if( goi.argc != 0 ){
3888                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3889                         return JIM_ERR;
3890                 }
3891                 Jim_SetResultString( goi.interp,
3892                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3893                 return JIM_OK;
3894         case TS_CMD_INVOKE_EVENT:
3895                 if( goi.argc != 1 ){
3896                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3897                         return JIM_ERR;
3898                 }
3899                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3900                 if( e != JIM_OK ){
3901                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3902                         return e;
3903                 }
3904                 target_handle_event( target, n->value );
3905                 return JIM_OK;
3906         }
3907         return JIM_ERR;
3908
3909 err_tap_disabled:
3910         Jim_SetResult_sprintf(interp, "[TAP is disabled]");
3911         return JIM_ERR;
3912 }
3913
3914 static int target_create( Jim_GetOptInfo *goi )
3915 {
3916         Jim_Obj *new_cmd;
3917         Jim_Cmd *cmd;
3918         const char *cp;
3919         char *cp2;
3920         int e;
3921         int x;
3922         target_t *target;
3923         struct command_context_s *cmd_ctx;
3924
3925         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3926         if( goi->argc < 3 ){
3927                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3928                 return JIM_ERR;
3929         }
3930
3931         /* COMMAND */
3932         Jim_GetOpt_Obj( goi, &new_cmd );
3933         /* does this command exist? */
3934         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3935         if( cmd ){
3936                 cp = Jim_GetString( new_cmd, NULL );
3937                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3938                 return JIM_ERR;
3939         }
3940
3941         /* TYPE */
3942         e = Jim_GetOpt_String( goi, &cp2, NULL );
3943         cp = cp2;
3944         /* now does target type exist */
3945         for( x = 0 ; target_types[x] ; x++ ){
3946                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3947                         /* found */
3948                         break;
3949                 }
3950         }
3951         if( target_types[x] == NULL ){
3952                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3953                 for( x = 0 ; target_types[x] ; x++ ){
3954                         if( target_types[x+1] ){
3955                                 Jim_AppendStrings( goi->interp,
3956                                                                    Jim_GetResult(goi->interp),
3957                                                                    target_types[x]->name,
3958                                                                    ", ", NULL);
3959                         } else {
3960                                 Jim_AppendStrings( goi->interp,
3961                                                                    Jim_GetResult(goi->interp),
3962                                                                    " or ",
3963                                                                    target_types[x]->name,NULL );
3964                         }
3965                 }
3966                 return JIM_ERR;
3967         }
3968
3969         /* Create it */
3970         target = calloc(1,sizeof(target_t));
3971         /* set target number */
3972         target->target_number = new_target_number();
3973
3974         /* allocate memory for each unique target type */
3975         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3976
3977         memcpy( target->type, target_types[x], sizeof(target_type_t));
3978
3979         /* will be set by "-endian" */
3980         target->endianness = TARGET_ENDIAN_UNKNOWN;
3981
3982         target->working_area        = 0x0;
3983         target->working_area_size   = 0x0;
3984         target->working_areas       = NULL;
3985         target->backup_working_area = 0;
3986
3987         target->state               = TARGET_UNKNOWN;
3988         target->debug_reason        = DBG_REASON_UNDEFINED;
3989         target->reg_cache           = NULL;
3990         target->breakpoints         = NULL;
3991         target->watchpoints         = NULL;
3992         target->next                = NULL;
3993         target->arch_info           = NULL;
3994
3995         target->display             = 1;
3996
3997         /* initialize trace information */
3998         target->trace_info = malloc(sizeof(trace_t));
3999         target->trace_info->num_trace_points         = 0;
4000         target->trace_info->trace_points_size        = 0;
4001         target->trace_info->trace_points             = NULL;
4002         target->trace_info->trace_history_size       = 0;
4003         target->trace_info->trace_history            = NULL;
4004         target->trace_info->trace_history_pos        = 0;
4005         target->trace_info->trace_history_overflowed = 0;
4006
4007         target->dbgmsg          = NULL;
4008         target->dbg_msg_enabled = 0;
4009
4010         target->endianness = TARGET_ENDIAN_UNKNOWN;
4011
4012         /* Do the rest as "configure" options */
4013         goi->isconfigure = 1;
4014         e = target_configure( goi, target);
4015
4016         if (target->tap == NULL)
4017         {
4018                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
4019                 e=JIM_ERR;
4020         }
4021
4022         if( e != JIM_OK ){
4023                 free( target->type );
4024                 free( target );
4025                 return e;
4026         }
4027
4028         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
4029                 /* default endian to little if not specified */
4030                 target->endianness = TARGET_LITTLE_ENDIAN;
4031         }
4032
4033         /* incase variant is not set */
4034         if (!target->variant)
4035                 target->variant = strdup("");
4036
4037         /* create the target specific commands */
4038         if( target->type->register_commands ){
4039                 (*(target->type->register_commands))( cmd_ctx );
4040         }
4041         if( target->type->target_create ){
4042                 (*(target->type->target_create))( target, goi->interp );
4043         }
4044
4045         /* append to end of list */
4046         {
4047                 target_t **tpp;
4048                 tpp = &(all_targets);
4049                 while( *tpp ){
4050                         tpp = &( (*tpp)->next );
4051                 }
4052                 *tpp = target;
4053         }
4054
4055         cp = Jim_GetString( new_cmd, NULL );
4056         target->cmd_name = strdup(cp);
4057
4058         /* now - create the new target name command */
4059         e = Jim_CreateCommand( goi->interp,
4060                                                    /* name */
4061                                                    cp,
4062                                                    tcl_target_func, /* C function */
4063                                                    target, /* private data */
4064                                                    NULL ); /* no del proc */
4065
4066         return e;
4067 }
4068
4069 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
4070 {
4071         int x,r,e;
4072         jim_wide w;
4073         struct command_context_s *cmd_ctx;
4074         target_t *target;
4075         Jim_GetOptInfo goi;
4076         enum tcmd {
4077                 /* TG = target generic */
4078                 TG_CMD_CREATE,
4079                 TG_CMD_TYPES,
4080                 TG_CMD_NAMES,
4081                 TG_CMD_CURRENT,
4082                 TG_CMD_NUMBER,
4083                 TG_CMD_COUNT,
4084         };
4085         const char *target_cmds[] = {
4086                 "create", "types", "names", "current", "number",
4087                 "count",
4088                 NULL /* terminate */
4089         };
4090
4091         LOG_DEBUG("Target command params:");
4092         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4093
4094         cmd_ctx = Jim_GetAssocData( interp, "context" );
4095
4096         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
4097
4098         if( goi.argc == 0 ){
4099                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4100                 return JIM_ERR;
4101         }
4102
4103         /* Jim_GetOpt_Debug( &goi ); */
4104         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
4105         if( r != JIM_OK ){
4106                 return r;
4107         }
4108
4109         switch(x){
4110         default:
4111                 Jim_Panic(goi.interp,"Why am I here?");
4112                 return JIM_ERR;
4113         case TG_CMD_CURRENT:
4114                 if( goi.argc != 0 ){
4115                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
4116                         return JIM_ERR;
4117                 }
4118                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
4119                 return JIM_OK;
4120         case TG_CMD_TYPES:
4121                 if( goi.argc != 0 ){
4122                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4123                         return JIM_ERR;
4124                 }
4125                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4126                 for( x = 0 ; target_types[x] ; x++ ){
4127                         Jim_ListAppendElement( goi.interp,
4128                                                                    Jim_GetResult(goi.interp),
4129                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4130                 }
4131                 return JIM_OK;
4132         case TG_CMD_NAMES:
4133                 if( goi.argc != 0 ){
4134                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4135                         return JIM_ERR;
4136                 }
4137                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4138                 target = all_targets;
4139                 while( target ){
4140                         Jim_ListAppendElement( goi.interp,
4141                                                                    Jim_GetResult(goi.interp),
4142                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4143                         target = target->next;
4144                 }
4145                 return JIM_OK;
4146         case TG_CMD_CREATE:
4147                 if( goi.argc < 3 ){
4148                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4149                         return JIM_ERR;
4150                 }
4151                 return target_create( &goi );
4152                 break;
4153         case TG_CMD_NUMBER:
4154                 if( goi.argc != 1 ){
4155                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4156                         return JIM_ERR;
4157                 }
4158                 e = Jim_GetOpt_Wide( &goi, &w );
4159                 if( e != JIM_OK ){
4160                         return JIM_ERR;
4161                 }
4162                 {
4163                         target_t *t;
4164                         t = get_target_by_num(w);
4165                         if( t == NULL ){
4166                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4167                                 return JIM_ERR;
4168                         }
4169                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4170                         return JIM_OK;
4171                 }
4172         case TG_CMD_COUNT:
4173                 if( goi.argc != 0 ){
4174                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4175                         return JIM_ERR;
4176                 }
4177                 Jim_SetResult( goi.interp,
4178                                            Jim_NewIntObj( goi.interp, max_target_number()));
4179                 return JIM_OK;
4180         }
4181
4182         return JIM_ERR;
4183 }
4184
4185
4186 struct FastLoad
4187 {
4188         u32 address;
4189         u8 *data;
4190         int length;
4191
4192 };
4193
4194 static int fastload_num;
4195 static struct FastLoad *fastload;
4196
4197 static void free_fastload(void)
4198 {
4199         if (fastload!=NULL)
4200         {
4201                 int i;
4202                 for (i=0; i<fastload_num; i++)
4203                 {
4204                         if (fastload[i].data)
4205                                 free(fastload[i].data);
4206                 }
4207                 free(fastload);
4208                 fastload=NULL;
4209         }
4210 }
4211
4212
4213
4214
4215 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4216 {
4217         u8 *buffer;
4218         u32 buf_cnt;
4219         u32 image_size;
4220         u32 min_address=0;
4221         u32 max_address=0xffffffff;
4222         int i;
4223         int retval;
4224
4225         image_t image;
4226
4227         duration_t duration;
4228         char *duration_text;
4229
4230         if ((argc < 1)||(argc > 5))
4231         {
4232                 return ERROR_COMMAND_SYNTAX_ERROR;
4233         }
4234
4235         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4236         if (argc >= 2)
4237         {
4238                 image.base_address_set = 1;
4239                 image.base_address = strtoul(args[1], NULL, 0);
4240         }
4241         else
4242         {
4243                 image.base_address_set = 0;
4244         }
4245
4246
4247         image.start_address_set = 0;
4248
4249         if (argc>=4)
4250         {
4251                 min_address=strtoul(args[3], NULL, 0);
4252         }
4253         if (argc>=5)
4254         {
4255                 max_address=strtoul(args[4], NULL, 0)+min_address;
4256         }
4257
4258         if (min_address>max_address)
4259         {
4260                 return ERROR_COMMAND_SYNTAX_ERROR;
4261         }
4262
4263         duration_start_measure(&duration);
4264
4265         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4266         {
4267                 return ERROR_OK;
4268         }
4269
4270         image_size = 0x0;
4271         retval = ERROR_OK;
4272         fastload_num=image.num_sections;
4273         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4274         if (fastload==NULL)
4275         {
4276                 image_close(&image);
4277                 return ERROR_FAIL;
4278         }
4279         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4280         for (i = 0; i < image.num_sections; i++)
4281         {
4282                 buffer = malloc(image.sections[i].size);
4283                 if (buffer == NULL)
4284                 {
4285                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4286                         break;
4287                 }
4288
4289                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4290                 {
4291                         free(buffer);
4292                         break;
4293                 }
4294
4295                 u32 offset=0;
4296                 u32 length=buf_cnt;
4297
4298
4299                 /* DANGER!!! beware of unsigned comparision here!!! */
4300
4301                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4302                                 (image.sections[i].base_address<max_address))
4303                 {
4304                         if (image.sections[i].base_address<min_address)
4305                         {
4306                                 /* clip addresses below */
4307                                 offset+=min_address-image.sections[i].base_address;
4308                                 length-=offset;
4309                         }
4310
4311                         if (image.sections[i].base_address+buf_cnt>max_address)
4312                         {
4313                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4314                         }
4315
4316                         fastload[i].address=image.sections[i].base_address+offset;
4317                         fastload[i].data=malloc(length);
4318                         if (fastload[i].data==NULL)
4319                         {
4320                                 free(buffer);
4321                                 break;
4322                         }
4323                         memcpy(fastload[i].data, buffer+offset, length);
4324                         fastload[i].length=length;
4325
4326                         image_size += length;
4327                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4328                 }
4329
4330                 free(buffer);
4331         }
4332
4333         duration_stop_measure(&duration, &duration_text);
4334         if (retval==ERROR_OK)
4335         {
4336                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4337                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4338         }
4339         free(duration_text);
4340
4341         image_close(&image);
4342
4343         if (retval!=ERROR_OK)
4344         {
4345                 free_fastload();
4346         }
4347
4348         return retval;
4349 }
4350
4351 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4352 {
4353         if (argc>0)
4354                 return ERROR_COMMAND_SYNTAX_ERROR;
4355         if (fastload==NULL)
4356         {
4357                 LOG_ERROR("No image in memory");
4358                 return ERROR_FAIL;
4359         }
4360         int i;
4361         int ms=timeval_ms();
4362         int size=0;
4363         int retval=ERROR_OK;
4364         for (i=0; i<fastload_num;i++)
4365         {
4366                 target_t *target = get_current_target(cmd_ctx);
4367                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4368                 if (retval==ERROR_OK)
4369                 {
4370                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4371                 }
4372                 size+=fastload[i].length;
4373         }
4374         int after=timeval_ms();
4375         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4376         return retval;
4377 }