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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "replacements.h"
  37 #include "target.h"
  38 #include "target_request.h"
  39
  40 #include "log.h"
  41 #include "configuration.h"
  42 #include "binarybuffer.h"
  43 #include "jtag.h"
  44
  45 #include <string.h>
  46 #include <stdlib.h>
  47 #include <inttypes.h>
  48
  49 #include <sys/types.h>
  50 #include <sys/stat.h>
  51 #include <unistd.h>
  52 #include <errno.h>
  53
  54 #include <sys/time.h>
  55 #include <time.h>
  56
  57 #include <time_support.h>
  58
  59 #include <fileio.h>
  60 #include <image.h>
  61
  62 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
  63
  64 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65
  66 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  80 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  81 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  82 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  83 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  84 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  85 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  86 int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  87 int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  88
  89 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  90 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  91 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  92
  93 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  94 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  95
  96 /* targets */
  97 extern target_type_t arm7tdmi_target;
  98 extern target_type_t arm720t_target;
  99 extern target_type_t arm9tdmi_target;
 100 extern target_type_t arm920t_target;
 101 extern target_type_t arm966e_target;
 102 extern target_type_t arm926ejs_target;
 103 extern target_type_t feroceon_target;
 104 extern target_type_t xscale_target;
 105 extern target_type_t cortexm3_target;
 106 extern target_type_t arm11_target;
 107 extern target_type_t mips_m4k_target;
 108
 109 target_type_t *target_types[] =
 110 {
 111         &arm7tdmi_target,
 112         &arm9tdmi_target,
 113         &arm920t_target,
 114         &arm720t_target,
 115         &arm966e_target,
 116         &arm926ejs_target,
 117         &feroceon_target,
 118         &xscale_target,
 119         &cortexm3_target,
 120         &arm11_target,
 121         &mips_m4k_target,
 122         NULL,
 123 };
 124
 125 target_t *all_targets = NULL;
 126 target_event_callback_t *target_event_callbacks = NULL;
 127 target_timer_callback_t *target_timer_callbacks = NULL;
 128
 129 const Jim_Nvp nvp_assert[] = {
 130         { .name = "assert", NVP_ASSERT },
 131         { .name = "deassert", NVP_DEASSERT },
 132         { .name = "T", NVP_ASSERT },
 133         { .name = "F", NVP_DEASSERT },
 134         { .name = "t", NVP_ASSERT },
 135         { .name = "f", NVP_DEASSERT },
 136         { .name = NULL, .value = -1 }
 137 };
 138
 139 const Jim_Nvp nvp_error_target[] = {
 140         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 141         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 142         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 143         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 144         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 145         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 146         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 147         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 148         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 149         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 150         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 151         { .value = -1, .name = NULL }
 152 };
 153
 154 const char *target_strerror_safe( int err )
 155 {
 156         const Jim_Nvp *n;
 157
 158         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 159         if( n->name == NULL ){
 160                 return "unknown";
 161         } else {
 162                 return n->name;
 163         }
 164 }
 165
 166 const Jim_Nvp nvp_target_event[] = {
 167         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 168         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 169
 170         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 171         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 172         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 173         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 174         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 175
 176         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 177         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 178
 179         /* historical name */
 180
 181         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 182
 183         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 184         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 185         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 186         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 187         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 188         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 189         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 190         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 191         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 192         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 193
 194         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 195         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 196
 197         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 198         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 199
 200         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 201         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 202
 203         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 204         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 205
 206         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 207         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 208
 209         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 210         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 211         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 212
 213         { .name = NULL, .value = -1 }
 214 };
 215
 216 const Jim_Nvp nvp_target_state[] = {
 217         { .name = "unknown", .value = TARGET_UNKNOWN },
 218         { .name = "running", .value = TARGET_RUNNING },
 219         { .name = "halted",  .value = TARGET_HALTED },
 220         { .name = "reset",   .value = TARGET_RESET },
 221         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 222         { .name = NULL, .value = -1 },
 223 };
 224
 225 const Jim_Nvp nvp_target_debug_reason [] = {
 226         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 227         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 228         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 229         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 230         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 231         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 232         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 233         { .name = NULL, .value = -1 },
 234 };
 235
 236 const Jim_Nvp nvp_target_endian[] = {
 237         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 238         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 239         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 240         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 241         { .name = NULL,     .value = -1 },
 242 };
 243
 244 const Jim_Nvp nvp_reset_modes[] = {
 245         { .name = "unknown", .value = RESET_UNKNOWN },
 246         { .name = "run"    , .value = RESET_RUN },
 247         { .name = "halt"   , .value = RESET_HALT },
 248         { .name = "init"   , .value = RESET_INIT },
 249         { .name = NULL     , .value = -1 },
 250 };
 251
 252 static int max_target_number(void)
 253 {
 254         target_t *t;
 255         int x;
 256
 257         x = -1;
 258         t = all_targets;
 259         while( t ){
 260                 if( x < t->target_number ){
 261                         x = (t->target_number)+1;
 262                 }
 263                 t = t->next;
 264         }
 265         return x;
 266 }
 267
 268 /* determine the number of the new target */
 269 static int new_target_number(void)
 270 {
 271         target_t *t;
 272         int x;
 273
 274         /* number is 0 based */
 275         x = -1;
 276         t = all_targets;
 277         while(t){
 278                 if( x < t->target_number ){
 279                         x = t->target_number;
 280                 }
 281                 t = t->next;
 282         }
 283         return x+1;
 284 }
 285
 286 static int target_continous_poll = 1;
 287
 288 /* read a u32 from a buffer in target memory endianness */
 289 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 290 {
 291         if (target->endianness == TARGET_LITTLE_ENDIAN)
 292                 return le_to_h_u32(buffer);
 293         else
 294                 return be_to_h_u32(buffer);
 295 }
 296
 297 /* read a u16 from a buffer in target memory endianness */
 298 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 299 {
 300         if (target->endianness == TARGET_LITTLE_ENDIAN)
 301                 return le_to_h_u16(buffer);
 302         else
 303                 return be_to_h_u16(buffer);
 304 }
 305
 306 /* read a u8 from a buffer in target memory endianness */
 307 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 308 {
 309         return *buffer & 0x0ff;
 310 }
 311
 312 /* write a u32 to a buffer in target memory endianness */
 313 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 314 {
 315         if (target->endianness == TARGET_LITTLE_ENDIAN)
 316                 h_u32_to_le(buffer, value);
 317         else
 318                 h_u32_to_be(buffer, value);
 319 }
 320
 321 /* write a u16 to a buffer in target memory endianness */
 322 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 323 {
 324         if (target->endianness == TARGET_LITTLE_ENDIAN)
 325                 h_u16_to_le(buffer, value);
 326         else
 327                 h_u16_to_be(buffer, value);
 328 }
 329
 330 /* write a u8 to a buffer in target memory endianness */
 331 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 332 {
 333         *buffer = value;
 334 }
 335
 336 /* returns a pointer to the n-th configured target */
 337 target_t* get_target_by_num(int num)
 338 {
 339         target_t *target = all_targets;
 340
 341         while (target){
 342                 if( target->target_number == num ){
 343                         return target;
 344                 }
 345                 target = target->next;
 346         }
 347
 348         return NULL;
 349 }
 350
 351 int get_num_by_target(target_t *query_target)
 352 {
 353         return query_target->target_number;
 354 }
 355
 356 target_t* get_current_target(command_context_t *cmd_ctx)
 357 {
 358         target_t *target = get_target_by_num(cmd_ctx->current_target);
 359
 360         if (target == NULL)
 361         {
 362                 LOG_ERROR("BUG: current_target out of bounds");
 363                 exit(-1);
 364         }
 365
 366         return target;
 367 }
 368
 369 int target_poll(struct target_s *target)
 370 {
 371         /* We can't poll until after examine */
 372         if (!target->type->examined)
 373         {
 374                 /* Fail silently lest we pollute the log */
 375                 return ERROR_FAIL;
 376         }
 377         return target->type->poll(target);
 378 }
 379
 380 int target_halt(struct target_s *target)
 381 {
 382         /* We can't poll until after examine */
 383         if (!target->type->examined)
 384         {
 385                 LOG_ERROR("Target not examined yet");
 386                 return ERROR_FAIL;
 387         }
 388         return target->type->halt(target);
 389 }
 390
 391 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 392 {
 393         int retval;
 394
 395         /* We can't poll until after examine */
 396         if (!target->type->examined)
 397         {
 398                 LOG_ERROR("Target not examined yet");
 399                 return ERROR_FAIL;
 400         }
 401
 402         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 403          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 404          * the application.
 405          */
 406         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 407                 return retval;
 408
 409         return retval;
 410 }
 411
 412 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 413 {
 414         char buf[100];
 415         int retval;
 416         Jim_Nvp *n;
 417         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 418         if( n->name == NULL ){
 419                 LOG_ERROR("invalid reset mode");
 420                 return ERROR_FAIL;
 421         }
 422
 423         sprintf( buf, "ocd_process_reset %s", n->name );
 424         retval = Jim_Eval( interp, buf );
 425
 426         if(retval != JIM_OK) {
 427                 Jim_PrintErrorMessage(interp);
 428                 return ERROR_FAIL;
 429         }
 430
 431         /* We want any events to be processed before the prompt */
 432         retval = target_call_timer_callbacks_now();
 433
 434         return retval;
 435 }
 436
 437 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 438 {
 439         *physical = virtual;
 440         return ERROR_OK;
 441 }
 442
 443 static int default_mmu(struct target_s *target, int *enabled)
 444 {
 445         *enabled = 0;
 446         return ERROR_OK;
 447 }
 448
 449 static int default_examine(struct target_s *target)
 450 {
 451         target->type->examined = 1;
 452         return ERROR_OK;
 453 }
 454
 455 /* Targets that correctly implement init+examine, i.e.
 456  * no communication with target during init:
 457  *
 458  * XScale
 459  */
 460 int target_examine(void)
 461 {
 462         int retval = ERROR_OK;
 463         target_t *target = all_targets;
 464         while (target)
 465         {
 466                 if ((retval = target->type->examine(target))!=ERROR_OK)
 467                         return retval;
 468                 target = target->next;
 469         }
 470         return retval;
 471 }
 472
 473 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 474 {
 475         if (!target->type->examined)
 476         {
 477                 LOG_ERROR("Target not examined yet");
 478                 return ERROR_FAIL;
 479         }
 480         return target->type->write_memory_imp(target, address, size, count, buffer);
 481 }
 482
 483 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 484 {
 485         if (!target->type->examined)
 486         {
 487                 LOG_ERROR("Target not examined yet");
 488                 return ERROR_FAIL;
 489         }
 490         return target->type->read_memory_imp(target, address, size, count, buffer);
 491 }
 492
 493 static int target_soft_reset_halt_imp(struct target_s *target)
 494 {
 495         if (!target->type->examined)
 496         {
 497                 LOG_ERROR("Target not examined yet");
 498                 return ERROR_FAIL;
 499         }
 500         return target->type->soft_reset_halt_imp(target);
 501 }
 502
 503 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
 504 {
 505         if (!target->type->examined)
 506         {
 507                 LOG_ERROR("Target not examined yet");
 508                 return ERROR_FAIL;
 509         }
 510         return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
 511 }
 512
 513 int target_init(struct command_context_s *cmd_ctx)
 514 {
 515         target_t *target = all_targets;
 516         int retval;
 517
 518         while (target)
 519         {
 520                 target->type->examined = 0;
 521                 if (target->type->examine == NULL)
 522                 {
 523                         target->type->examine = default_examine;
 524                 }
 525
 526                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 527                 {
 528                         LOG_ERROR("target '%s' init failed", target->type->name);
 529                         return retval;
 530                 }
 531
 532                 /* Set up default functions if none are provided by target */
 533                 if (target->type->virt2phys == NULL)
 534                 {
 535                         target->type->virt2phys = default_virt2phys;
 536                 }
 537                 target->type->virt2phys = default_virt2phys;
 538                 /* a non-invasive way(in terms of patches) to add some code that
 539                  * runs before the type->write/read_memory implementation
 540                  */
 541                 target->type->write_memory_imp = target->type->write_memory;
 542                 target->type->write_memory = target_write_memory_imp;
 543                 target->type->read_memory_imp = target->type->read_memory;
 544                 target->type->read_memory = target_read_memory_imp;
 545                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 546                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 547                 target->type->run_algorithm_imp = target->type->run_algorithm;
 548                 target->type->run_algorithm = target_run_algorithm_imp;
 549
 550                 if (target->type->mmu == NULL)
 551                 {
 552                         target->type->mmu = default_mmu;
 553                 }
 554                 target = target->next;
 555         }
 556
 557         if (all_targets)
 558         {
 559                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 560                         return retval;
 561                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 562                         return retval;
 563         }
 564
 565         return ERROR_OK;
 566 }
 567
 568 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 569 {
 570         target_event_callback_t **callbacks_p = &target_event_callbacks;
 571
 572         if (callback == NULL)
 573         {
 574                 return ERROR_INVALID_ARGUMENTS;
 575         }
 576
 577         if (*callbacks_p)
 578         {
 579                 while ((*callbacks_p)->next)
 580                         callbacks_p = &((*callbacks_p)->next);
 581                 callbacks_p = &((*callbacks_p)->next);
 582         }
 583
 584         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 585         (*callbacks_p)->callback = callback;
 586         (*callbacks_p)->priv = priv;
 587         (*callbacks_p)->next = NULL;
 588
 589         return ERROR_OK;
 590 }
 591
 592 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 593 {
 594         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 595         struct timeval now;
 596
 597         if (callback == NULL)
 598         {
 599                 return ERROR_INVALID_ARGUMENTS;
 600         }
 601
 602         if (*callbacks_p)
 603         {
 604                 while ((*callbacks_p)->next)
 605                         callbacks_p = &((*callbacks_p)->next);
 606                 callbacks_p = &((*callbacks_p)->next);
 607         }
 608
 609         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 610         (*callbacks_p)->callback = callback;
 611         (*callbacks_p)->periodic = periodic;
 612         (*callbacks_p)->time_ms = time_ms;
 613
 614         gettimeofday(&now, NULL);
 615         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 616         time_ms -= (time_ms % 1000);
 617         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 618         if ((*callbacks_p)->when.tv_usec > 1000000)
 619         {
 620                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 621                 (*callbacks_p)->when.tv_sec += 1;
 622         }
 623
 624         (*callbacks_p)->priv = priv;
 625         (*callbacks_p)->next = NULL;
 626
 627         return ERROR_OK;
 628 }
 629
 630 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 631 {
 632         target_event_callback_t **p = &target_event_callbacks;
 633         target_event_callback_t *c = target_event_callbacks;
 634
 635         if (callback == NULL)
 636         {
 637                 return ERROR_INVALID_ARGUMENTS;
 638         }
 639
 640         while (c)
 641         {
 642                 target_event_callback_t *next = c->next;
 643                 if ((c->callback == callback) && (c->priv == priv))
 644                 {
 645                         *p = next;
 646                         free(c);
 647                         return ERROR_OK;
 648                 }
 649                 else
 650                         p = &(c->next);
 651                 c = next;
 652         }
 653
 654         return ERROR_OK;
 655 }
 656
 657 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 658 {
 659         target_timer_callback_t **p = &target_timer_callbacks;
 660         target_timer_callback_t *c = target_timer_callbacks;
 661
 662         if (callback == NULL)
 663         {
 664                 return ERROR_INVALID_ARGUMENTS;
 665         }
 666
 667         while (c)
 668         {
 669                 target_timer_callback_t *next = c->next;
 670                 if ((c->callback == callback) && (c->priv == priv))
 671                 {
 672                         *p = next;
 673                         free(c);
 674                         return ERROR_OK;
 675                 }
 676                 else
 677                         p = &(c->next);
 678                 c = next;
 679         }
 680
 681         return ERROR_OK;
 682 }
 683
 684 int target_call_event_callbacks(target_t *target, enum target_event event)
 685 {
 686         target_event_callback_t *callback = target_event_callbacks;
 687         target_event_callback_t *next_callback;
 688
 689         if (event == TARGET_EVENT_HALTED)
 690         {
 691                 /* execute early halted first */
 692                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 693         }
 694
 695         LOG_DEBUG("target event %i (%s)",
 696                           event,
 697                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 698
 699         target_handle_event( target, event );
 700
 701         while (callback)
 702         {
 703                 next_callback = callback->next;
 704                 callback->callback(target, event, callback->priv);
 705                 callback = next_callback;
 706         }
 707
 708         return ERROR_OK;
 709 }
 710
 711 static int target_call_timer_callbacks_check_time(int checktime)
 712 {
 713         target_timer_callback_t *callback = target_timer_callbacks;
 714         target_timer_callback_t *next_callback;
 715         struct timeval now;
 716
 717         keep_alive();
 718
 719         gettimeofday(&now, NULL);
 720
 721         while (callback)
 722         {
 723                 next_callback = callback->next;
 724
 725                 if ((!checktime&&callback->periodic)||
 726                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 727                                                 || (now.tv_sec > callback->when.tv_sec)))
 728                 {
 729                         if(callback->callback != NULL)
 730                         {
 731                                 callback->callback(callback->priv);
 732                                 if (callback->periodic)
 733                                 {
 734                                         int time_ms = callback->time_ms;
 735                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 736                                         time_ms -= (time_ms % 1000);
 737                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 738                                         if (callback->when.tv_usec > 1000000)
 739                                         {
 740                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 741                                                 callback->when.tv_sec += 1;
 742                                         }
 743                                 }
 744                                 else
 745                                 {
 746                                         int retval;
 747                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 748                                                 return retval;
 749                                 }
 750                         }
 751                 }
 752
 753                 callback = next_callback;
 754         }
 755
 756         return ERROR_OK;
 757 }
 758
 759 int target_call_timer_callbacks(void)
 760 {
 761         return target_call_timer_callbacks_check_time(1);
 762 }
 763
 764 /* invoke periodic callbacks immediately */
 765 int target_call_timer_callbacks_now(void)
 766 {
 767         return target_call_timer_callbacks_check_time(0);
 768 }
 769
 770 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 771 {
 772         working_area_t *c = target->working_areas;
 773         working_area_t *new_wa = NULL;
 774
 775         /* Reevaluate working area address based on MMU state*/
 776         if (target->working_areas == NULL)
 777         {
 778                 int retval;
 779                 int enabled;
 780                 retval = target->type->mmu(target, &enabled);
 781                 if (retval != ERROR_OK)
 782                 {
 783                         return retval;
 784                 }
 785                 if (enabled)
 786                 {
 787                         target->working_area = target->working_area_virt;
 788                 }
 789                 else
 790                 {
 791                         target->working_area = target->working_area_phys;
 792                 }
 793         }
 794
 795         /* only allocate multiples of 4 byte */
 796         if (size % 4)
 797         {
 798                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 799                 size = CEIL(size, 4);
 800         }
 801
 802         /* see if there's already a matching working area */
 803         while (c)
 804         {
 805                 if ((c->free) && (c->size == size))
 806                 {
 807                         new_wa = c;
 808                         break;
 809                 }
 810                 c = c->next;
 811         }
 812
 813         /* if not, allocate a new one */
 814         if (!new_wa)
 815         {
 816                 working_area_t **p = &target->working_areas;
 817                 u32 first_free = target->working_area;
 818                 u32 free_size = target->working_area_size;
 819
 820                 LOG_DEBUG("allocating new working area");
 821
 822                 c = target->working_areas;
 823                 while (c)
 824                 {
 825                         first_free += c->size;
 826                         free_size -= c->size;
 827                         p = &c->next;
 828                         c = c->next;
 829                 }
 830
 831                 if (free_size < size)
 832                 {
 833                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 834                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 835                 }
 836
 837                 new_wa = malloc(sizeof(working_area_t));
 838                 new_wa->next = NULL;
 839                 new_wa->size = size;
 840                 new_wa->address = first_free;
 841
 842                 if (target->backup_working_area)
 843                 {
 844                         int retval;
 845                         new_wa->backup = malloc(new_wa->size);
 846                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 847                         {
 848                                 free(new_wa->backup);
 849                                 free(new_wa);
 850                                 return retval;
 851                         }
 852                 }
 853                 else
 854                 {
 855                         new_wa->backup = NULL;
 856                 }
 857
 858                 /* put new entry in list */
 859                 *p = new_wa;
 860         }
 861
 862         /* mark as used, and return the new (reused) area */
 863         new_wa->free = 0;
 864         *area = new_wa;
 865
 866         /* user pointer */
 867         new_wa->user = area;
 868
 869         return ERROR_OK;
 870 }
 871
 872 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 873 {
 874         if (area->free)
 875                 return ERROR_OK;
 876
 877         if (restore&&target->backup_working_area)
 878         {
 879                 int retval;
 880                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 881                         return retval;
 882         }
 883
 884         area->free = 1;
 885
 886         /* mark user pointer invalid */
 887         *area->user = NULL;
 888         area->user = NULL;
 889
 890         return ERROR_OK;
 891 }
 892
 893 int target_free_working_area(struct target_s *target, working_area_t *area)
 894 {
 895         return target_free_working_area_restore(target, area, 1);
 896 }
 897
 898 /* free resources and restore memory, if restoring memory fails,
 899  * free up resources anyway
 900  */
 901 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 902 {
 903         working_area_t *c = target->working_areas;
 904
 905         while (c)
 906         {
 907                 working_area_t *next = c->next;
 908                 target_free_working_area_restore(target, c, restore);
 909
 910                 if (c->backup)
 911                         free(c->backup);
 912
 913                 free(c);
 914
 915                 c = next;
 916         }
 917
 918         target->working_areas = NULL;
 919 }
 920
 921 void target_free_all_working_areas(struct target_s *target)
 922 {
 923         target_free_all_working_areas_restore(target, 1);
 924 }
 925
 926 int target_register_commands(struct command_context_s *cmd_ctx)
 927 {
 928
 929         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, "change the current command line target (one parameter) or lists targets (with no parameter)");
 930
 931
 932
 933
 934         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 935
 936         return ERROR_OK;
 937 }
 938
 939 int target_arch_state(struct target_s *target)
 940 {
 941         int retval;
 942         if (target==NULL)
 943         {
 944                 LOG_USER("No target has been configured");
 945                 return ERROR_OK;
 946         }
 947
 948         LOG_USER("target state: %s",
 949                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 950
 951         if (target->state!=TARGET_HALTED)
 952                 return ERROR_OK;
 953
 954         retval=target->type->arch_state(target);
 955         return retval;
 956 }
 957
 958 /* Single aligned words are guaranteed to use 16 or 32 bit access
 959  * mode respectively, otherwise data is handled as quickly as
 960  * possible
 961  */
 962 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 963 {
 964         int retval;
 965         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 966
 967         if (!target->type->examined)
 968         {
 969                 LOG_ERROR("Target not examined yet");
 970                 return ERROR_FAIL;
 971         }
 972
 973         if ((address + size - 1) < address)
 974         {
 975                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 976                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 977                 return ERROR_FAIL;
 978         }
 979
 980         if (((address % 2) == 0) && (size == 2))
 981         {
 982                 return target->type->write_memory(target, address, 2, 1, buffer);
 983         }
 984
 985         /* handle unaligned head bytes */
 986         if (address % 4)
 987         {
 988                 u32 unaligned = 4 - (address % 4);
 989
 990                 if (unaligned > size)
 991                         unaligned = size;
 992
 993                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 994                         return retval;
 995
 996                 buffer += unaligned;
 997                 address += unaligned;
 998                 size -= unaligned;
 999         }
1000
1001         /* handle aligned words */
1002         if (size >= 4)
1003         {
1004                 int aligned = size - (size % 4);
1005
1006                 /* use bulk writes above a certain limit. This may have to be changed */
1007                 if (aligned > 128)
1008                 {
1009                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1010                                 return retval;
1011                 }
1012                 else
1013                 {
1014                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1015                                 return retval;
1016                 }
1017
1018                 buffer += aligned;
1019                 address += aligned;
1020                 size -= aligned;
1021         }
1022
1023         /* handle tail writes of less than 4 bytes */
1024         if (size > 0)
1025         {
1026                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1027                         return retval;
1028         }
1029
1030         return ERROR_OK;
1031 }
1032
1033 /* Single aligned words are guaranteed to use 16 or 32 bit access
1034  * mode respectively, otherwise data is handled as quickly as
1035  * possible
1036  */
1037 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1038 {
1039         int retval;
1040         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1041
1042         if (!target->type->examined)
1043         {
1044                 LOG_ERROR("Target not examined yet");
1045                 return ERROR_FAIL;
1046         }
1047
1048         if ((address + size - 1) < address)
1049         {
1050                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1051                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1052                 return ERROR_FAIL;
1053         }
1054
1055         if (((address % 2) == 0) && (size == 2))
1056         {
1057                 return target->type->read_memory(target, address, 2, 1, buffer);
1058         }
1059
1060         /* handle unaligned head bytes */
1061         if (address % 4)
1062         {
1063                 u32 unaligned = 4 - (address % 4);
1064
1065                 if (unaligned > size)
1066                         unaligned = size;
1067
1068                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1069                         return retval;
1070
1071                 buffer += unaligned;
1072                 address += unaligned;
1073                 size -= unaligned;
1074         }
1075
1076         /* handle aligned words */
1077         if (size >= 4)
1078         {
1079                 int aligned = size - (size % 4);
1080
1081                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1082                         return retval;
1083
1084                 buffer += aligned;
1085                 address += aligned;
1086                 size -= aligned;
1087         }
1088
1089         /* handle tail writes of less than 4 bytes */
1090         if (size > 0)
1091         {
1092                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1093                         return retval;
1094         }
1095
1096         return ERROR_OK;
1097 }
1098
1099 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1100 {
1101         u8 *buffer;
1102         int retval;
1103         u32 i;
1104         u32 checksum = 0;
1105         if (!target->type->examined)
1106         {
1107                 LOG_ERROR("Target not examined yet");
1108                 return ERROR_FAIL;
1109         }
1110
1111         if ((retval = target->type->checksum_memory(target, address,
1112                 size, &checksum)) != ERROR_OK)
1113         {
1114                 buffer = malloc(size);
1115                 if (buffer == NULL)
1116                 {
1117                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1118                         return ERROR_INVALID_ARGUMENTS;
1119                 }
1120                 retval = target_read_buffer(target, address, size, buffer);
1121                 if (retval != ERROR_OK)
1122                 {
1123                         free(buffer);
1124                         return retval;
1125                 }
1126
1127                 /* convert to target endianess */
1128                 for (i = 0; i < (size/sizeof(u32)); i++)
1129                 {
1130                         u32 target_data;
1131                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1132                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1133                 }
1134
1135                 retval = image_calculate_checksum( buffer, size, &checksum );
1136                 free(buffer);
1137         }
1138
1139         *crc = checksum;
1140
1141         return retval;
1142 }
1143
1144 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1145 {
1146         int retval;
1147         if (!target->type->examined)
1148         {
1149                 LOG_ERROR("Target not examined yet");
1150                 return ERROR_FAIL;
1151         }
1152
1153         if (target->type->blank_check_memory == 0)
1154                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1155
1156         retval = target->type->blank_check_memory(target, address, size, blank);
1157
1158         return retval;
1159 }
1160
1161 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1162 {
1163         u8 value_buf[4];
1164         if (!target->type->examined)
1165         {
1166                 LOG_ERROR("Target not examined yet");
1167                 return ERROR_FAIL;
1168         }
1169
1170         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1171
1172         if (retval == ERROR_OK)
1173         {
1174                 *value = target_buffer_get_u32(target, value_buf);
1175                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1176         }
1177         else
1178         {
1179                 *value = 0x0;
1180                 LOG_DEBUG("address: 0x%8.8x failed", address);
1181         }
1182
1183         return retval;
1184 }
1185
1186 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1187 {
1188         u8 value_buf[2];
1189         if (!target->type->examined)
1190         {
1191                 LOG_ERROR("Target not examined yet");
1192                 return ERROR_FAIL;
1193         }
1194
1195         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1196
1197         if (retval == ERROR_OK)
1198         {
1199                 *value = target_buffer_get_u16(target, value_buf);
1200                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1201         }
1202         else
1203         {
1204                 *value = 0x0;
1205                 LOG_DEBUG("address: 0x%8.8x failed", address);
1206         }
1207
1208         return retval;
1209 }
1210
1211 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1212 {
1213         int retval = target->type->read_memory(target, address, 1, 1, value);
1214         if (!target->type->examined)
1215         {
1216                 LOG_ERROR("Target not examined yet");
1217                 return ERROR_FAIL;
1218         }
1219
1220         if (retval == ERROR_OK)
1221         {
1222                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1223         }
1224         else
1225         {
1226                 *value = 0x0;
1227                 LOG_DEBUG("address: 0x%8.8x failed", address);
1228         }
1229
1230         return retval;
1231 }
1232
1233 int target_write_u32(struct target_s *target, u32 address, u32 value)
1234 {
1235         int retval;
1236         u8 value_buf[4];
1237         if (!target->type->examined)
1238         {
1239                 LOG_ERROR("Target not examined yet");
1240                 return ERROR_FAIL;
1241         }
1242
1243         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1244
1245         target_buffer_set_u32(target, value_buf, value);
1246         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1247         {
1248                 LOG_DEBUG("failed: %i", retval);
1249         }
1250
1251         return retval;
1252 }
1253
1254 int target_write_u16(struct target_s *target, u32 address, u16 value)
1255 {
1256         int retval;
1257         u8 value_buf[2];
1258         if (!target->type->examined)
1259         {
1260                 LOG_ERROR("Target not examined yet");
1261                 return ERROR_FAIL;
1262         }
1263
1264         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1265
1266         target_buffer_set_u16(target, value_buf, value);
1267         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1268         {
1269                 LOG_DEBUG("failed: %i", retval);
1270         }
1271
1272         return retval;
1273 }
1274
1275 int target_write_u8(struct target_s *target, u32 address, u8 value)
1276 {
1277         int retval;
1278         if (!target->type->examined)
1279         {
1280                 LOG_ERROR("Target not examined yet");
1281                 return ERROR_FAIL;
1282         }
1283
1284         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1285
1286         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1287         {
1288                 LOG_DEBUG("failed: %i", retval);
1289         }
1290
1291         return retval;
1292 }
1293
1294 int target_register_user_commands(struct command_context_s *cmd_ctx)
1295 {
1296         int retval = ERROR_OK;
1297
1298
1299         /* script procedures */
1300         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1301         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
1302         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
1303
1304         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1305                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1306
1307         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1308                         "loads active fast load image to current target - mainly for profiling purposes");
1309
1310
1311         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1312         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1313         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1314         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1315         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1316         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1317         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1318         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1319         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1320
1321         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1322         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1323         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1324
1325         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1326         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1327         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1328
1329         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1330         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1331         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1332         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1333
1334         register_command(cmd_ctx,  NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
1335         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1336         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1337         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1338
1339         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1340                 return retval;
1341         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1342                 return retval;
1343
1344         return retval;
1345 }
1346
1347 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1348 {
1349         char *cp;
1350         target_t *target = all_targets;
1351
1352         if (argc == 1)
1353         {
1354                 /* try as tcltarget name */
1355                 for( target = all_targets ; target ; target = target->next ){
1356                   if( target->cmd_name ){
1357                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1358                                 /* MATCH */
1359                                 goto Match;
1360                         }
1361                   }
1362                 }
1363                 /* no match, try as number */
1364
1365                 int num = strtoul(args[0], &cp, 0 );
1366                 if( *cp != 0 ){
1367                         /* then it was not a number */
1368                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1369                         goto DumpTargets;
1370                 }
1371
1372                 target = get_target_by_num( num );
1373                 if( target == NULL ){
1374                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1375                         goto DumpTargets;
1376                 }
1377         Match:
1378                 cmd_ctx->current_target = target->target_number;
1379                 return ERROR_OK;
1380         }
1381 DumpTargets:
1382
1383         target = all_targets;
1384         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1385         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1386         while (target)
1387         {
1388                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1389                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1390                                           target->target_number,
1391                                           target->cmd_name,
1392                                           target->type->name,
1393                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1394                                           target->tap->abs_chain_position,
1395                                           target->tap->dotted_name,
1396                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1397                 target = target->next;
1398         }
1399
1400         return ERROR_OK;
1401 }
1402
1403 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1404
1405 static int powerDropout;
1406 static int srstAsserted;
1407
1408 static int runPowerRestore;
1409 static int runPowerDropout;
1410 static int runSrstAsserted;
1411 static int runSrstDeasserted;
1412
1413 static int sense_handler(void)
1414 {
1415         static int prevSrstAsserted = 0;
1416         static int prevPowerdropout = 0;
1417
1418         int retval;
1419         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1420                 return retval;
1421
1422         int powerRestored;
1423         powerRestored = prevPowerdropout && !powerDropout;
1424         if (powerRestored)
1425         {
1426                 runPowerRestore = 1;
1427         }
1428
1429         long long current = timeval_ms();
1430         static long long lastPower = 0;
1431         int waitMore = lastPower + 2000 > current;
1432         if (powerDropout && !waitMore)
1433         {
1434                 runPowerDropout = 1;
1435                 lastPower = current;
1436         }
1437
1438         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1439                 return retval;
1440
1441         int srstDeasserted;
1442         srstDeasserted = prevSrstAsserted && !srstAsserted;
1443
1444         static long long lastSrst = 0;
1445         waitMore = lastSrst + 2000 > current;
1446         if (srstDeasserted && !waitMore)
1447         {
1448                 runSrstDeasserted = 1;
1449                 lastSrst = current;
1450         }
1451
1452         if (!prevSrstAsserted && srstAsserted)
1453         {
1454                 runSrstAsserted = 1;
1455         }
1456
1457         prevSrstAsserted = srstAsserted;
1458         prevPowerdropout = powerDropout;
1459
1460         if (srstDeasserted || powerRestored)
1461         {
1462                 /* Other than logging the event we can't do anything here.
1463                  * Issuing a reset is a particularly bad idea as we might
1464                  * be inside a reset already.
1465                  */
1466         }
1467
1468         return ERROR_OK;
1469 }
1470
1471 /* process target state changes */
1472 int handle_target(void *priv)
1473 {
1474         int retval = ERROR_OK;
1475
1476         /* we do not want to recurse here... */
1477         static int recursive = 0;
1478         if (! recursive)
1479         {
1480                 recursive = 1;
1481                 sense_handler();
1482                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1483                  * We need to avoid an infinite loop/recursion here and we do that by
1484                  * clearing the flags after running these events.
1485                  */
1486                 int did_something = 0;
1487                 if (runSrstAsserted)
1488                 {
1489                         Jim_Eval( interp, "srst_asserted");
1490                         did_something = 1;
1491                 }
1492                 if (runSrstDeasserted)
1493                 {
1494                         Jim_Eval( interp, "srst_deasserted");
1495                         did_something = 1;
1496                 }
1497                 if (runPowerDropout)
1498                 {
1499                         Jim_Eval( interp, "power_dropout");
1500                         did_something = 1;
1501                 }
1502                 if (runPowerRestore)
1503                 {
1504                         Jim_Eval( interp, "power_restore");
1505                         did_something = 1;
1506                 }
1507
1508                 if (did_something)
1509                 {
1510                         /* clear detect flags */
1511                         sense_handler();
1512                 }
1513
1514                 /* clear action flags */
1515
1516                 runSrstAsserted=0;
1517                 runSrstDeasserted=0;
1518                 runPowerRestore=0;
1519                 runPowerDropout=0;
1520
1521                 recursive = 0;
1522         }
1523
1524         target_t *target = all_targets;
1525
1526         while (target)
1527         {
1528
1529                 /* only poll target if we've got power and srst isn't asserted */
1530                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1531                 {
1532                         /* polling may fail silently until the target has been examined */
1533                         if((retval = target_poll(target)) != ERROR_OK)
1534                                 return retval;
1535                 }
1536
1537                 target = target->next;
1538         }
1539
1540         return retval;
1541 }
1542
1543 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1544 {
1545         target_t *target;
1546         reg_t *reg = NULL;
1547         int count = 0;
1548         char *value;
1549
1550         LOG_DEBUG("-");
1551
1552         target = get_current_target(cmd_ctx);
1553
1554         /* list all available registers for the current target */
1555         if (argc == 0)
1556         {
1557                 reg_cache_t *cache = target->reg_cache;
1558
1559                 count = 0;
1560                 while(cache)
1561                 {
1562                         int i;
1563                         for (i = 0; i < cache->num_regs; i++)
1564                         {
1565                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1566                                 command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
1567                                 free(value);
1568                         }
1569                         cache = cache->next;
1570                 }
1571
1572                 return ERROR_OK;
1573         }
1574
1575         /* access a single register by its ordinal number */
1576         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1577         {
1578                 int num = strtoul(args[0], NULL, 0);
1579                 reg_cache_t *cache = target->reg_cache;
1580
1581                 count = 0;
1582                 while(cache)
1583                 {
1584                         int i;
1585                         for (i = 0; i < cache->num_regs; i++)
1586                         {
1587                                 if (count++ == num)
1588                                 {
1589                                         reg = &cache->reg_list[i];
1590                                         break;
1591                                 }
1592                         }
1593                         if (reg)
1594                                 break;
1595                         cache = cache->next;
1596                 }
1597
1598                 if (!reg)
1599                 {
1600                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1601                         return ERROR_OK;
1602                 }
1603         } else /* access a single register by its name */
1604         {
1605                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1606
1607                 if (!reg)
1608                 {
1609                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1610                         return ERROR_OK;
1611                 }
1612         }
1613
1614         /* display a register */
1615         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1616         {
1617                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1618                         reg->valid = 0;
1619
1620                 if (reg->valid == 0)
1621                 {
1622                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1623                         arch_type->get(reg);
1624                 }
1625                 value = buf_to_str(reg->value, reg->size, 16);
1626                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1627                 free(value);
1628                 return ERROR_OK;
1629         }
1630
1631         /* set register value */
1632         if (argc == 2)
1633         {
1634                 u8 *buf = malloc(CEIL(reg->size, 8));
1635                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1636
1637                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1638                 arch_type->set(reg, buf);
1639
1640                 value = buf_to_str(reg->value, reg->size, 16);
1641                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1642                 free(value);
1643
1644                 free(buf);
1645
1646                 return ERROR_OK;
1647         }
1648
1649         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1650
1651         return ERROR_OK;
1652 }
1653
1654 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1655 {
1656         int retval = ERROR_OK;
1657         target_t *target = get_current_target(cmd_ctx);
1658
1659         if (argc == 0)
1660         {
1661                 if((retval = target_poll(target)) != ERROR_OK)
1662                         return retval;
1663                 if((retval = target_arch_state(target)) != ERROR_OK)
1664                         return retval;
1665
1666         }
1667         else if (argc==1)
1668         {
1669                 if (strcmp(args[0], "on") == 0)
1670                 {
1671                         target_continous_poll = 1;
1672                 }
1673                 else if (strcmp(args[0], "off") == 0)
1674                 {
1675                         target_continous_poll = 0;
1676                 }
1677                 else
1678                 {
1679                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1680                 }
1681         } else
1682         {
1683                 return ERROR_COMMAND_SYNTAX_ERROR;
1684         }
1685
1686         return retval;
1687 }
1688
1689 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1690 {
1691         int ms = 5000;
1692
1693         if (argc > 0)
1694         {
1695                 char *end;
1696
1697                 ms = strtoul(args[0], &end, 0) * 1000;
1698                 if (*end)
1699                 {
1700                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1701                         return ERROR_OK;
1702                 }
1703         }
1704         target_t *target = get_current_target(cmd_ctx);
1705
1706         return target_wait_state(target, TARGET_HALTED, ms);
1707 }
1708
1709 /* wait for target state to change. The trick here is to have a low
1710  * latency for short waits and not to suck up all the CPU time
1711  * on longer waits.
1712  *
1713  * After 500ms, keep_alive() is invoked
1714  */
1715 int target_wait_state(target_t *target, enum target_state state, int ms)
1716 {
1717         int retval;
1718         long long then=0, cur;
1719         int once=1;
1720
1721         for (;;)
1722         {
1723                 if ((retval=target_poll(target))!=ERROR_OK)
1724                         return retval;
1725                 if (target->state == state)
1726                 {
1727                         break;
1728                 }
1729                 cur = timeval_ms();
1730                 if (once)
1731                 {
1732                         once=0;
1733                         then = timeval_ms();
1734                         LOG_DEBUG("waiting for target %s...",
1735                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1736                 }
1737
1738                 if (cur-then>500)
1739                 {
1740                         keep_alive();
1741                 }
1742
1743                 if ((cur-then)>ms)
1744                 {
1745                         LOG_ERROR("timed out while waiting for target %s",
1746                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1747                         return ERROR_FAIL;
1748                 }
1749         }
1750
1751         return ERROR_OK;
1752 }
1753
1754 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1755 {
1756         int retval;
1757         target_t *target = get_current_target(cmd_ctx);
1758
1759         LOG_DEBUG("-");
1760
1761         if ((retval = target_halt(target)) != ERROR_OK)
1762         {
1763                 return retval;
1764         }
1765
1766         if (argc == 1)
1767         {
1768                 int wait;
1769                 char *end;
1770
1771                 wait = strtoul(args[0], &end, 0);
1772                 if (!*end && !wait)
1773                         return ERROR_OK;
1774         }
1775
1776         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1777 }
1778
1779 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1780 {
1781         target_t *target = get_current_target(cmd_ctx);
1782
1783         LOG_USER("requesting target halt and executing a soft reset");
1784
1785         target->type->soft_reset_halt(target);
1786
1787         return ERROR_OK;
1788 }
1789
1790 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1791 {
1792         const Jim_Nvp *n;
1793         enum target_reset_mode reset_mode = RESET_RUN;
1794
1795         if (argc >= 1)
1796         {
1797                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1798                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1799                         return ERROR_COMMAND_SYNTAX_ERROR;
1800                 }
1801                 reset_mode = n->value;
1802         }
1803
1804         /* reset *all* targets */
1805         return target_process_reset(cmd_ctx, reset_mode);
1806 }
1807
1808
1809 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1810 {
1811         int retval;
1812         target_t *target = get_current_target(cmd_ctx);
1813
1814         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1815
1816         if (argc == 0)
1817                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1818         else if (argc == 1)
1819                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1820         else
1821         {
1822                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1823         }
1824
1825         return retval;
1826 }
1827
1828 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1829 {
1830         target_t *target = get_current_target(cmd_ctx);
1831
1832         LOG_DEBUG("-");
1833
1834         if (argc == 0)
1835                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1836
1837         if (argc == 1)
1838                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1839
1840         return ERROR_OK;
1841 }
1842
1843 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1844 {
1845         const int line_bytecnt = 32;
1846         int count = 1;
1847         int size = 4;
1848         u32 address = 0;
1849         int line_modulo;
1850         int i;
1851
1852         char output[128];
1853         int output_len;
1854
1855         int retval;
1856
1857         u8 *buffer;
1858         target_t *target = get_current_target(cmd_ctx);
1859
1860         if (argc < 1)
1861                 return ERROR_OK;
1862
1863         if (argc == 2)
1864                 count = strtoul(args[1], NULL, 0);
1865
1866         address = strtoul(args[0], NULL, 0);
1867
1868         switch (cmd[2])
1869         {
1870                 case 'w':
1871                         size = 4; line_modulo = line_bytecnt / 4;
1872                         break;
1873                 case 'h':
1874                         size = 2; line_modulo = line_bytecnt / 2;
1875                         break;
1876                 case 'b':
1877                         size = 1; line_modulo = line_bytecnt / 1;
1878                         break;
1879                 default:
1880                         return ERROR_OK;
1881         }
1882
1883         buffer = calloc(count, size);
1884         retval  = target->type->read_memory(target, address, size, count, buffer);
1885         if (retval == ERROR_OK)
1886         {
1887                 output_len = 0;
1888
1889                 for (i = 0; i < count; i++)
1890                 {
1891                         if (i%line_modulo == 0)
1892                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1893
1894                         switch (size)
1895                         {
1896                                 case 4:
1897                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1898                                         break;
1899                                 case 2:
1900                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1901                                         break;
1902                                 case 1:
1903                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1904                                         break;
1905                         }
1906
1907                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1908                         {
1909                                 command_print(cmd_ctx, output);
1910                                 output_len = 0;
1911                         }
1912                 }
1913         }
1914
1915         free(buffer);
1916
1917         return retval;
1918 }
1919
1920 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1921 {
1922         u32 address = 0;
1923         u32 value = 0;
1924         int count = 1;
1925         int i;
1926         int wordsize;
1927         target_t *target = get_current_target(cmd_ctx);
1928         u8 value_buf[4];
1929
1930          if ((argc < 2) || (argc > 3))
1931                 return ERROR_COMMAND_SYNTAX_ERROR;
1932
1933         address = strtoul(args[0], NULL, 0);
1934         value = strtoul(args[1], NULL, 0);
1935         if (argc == 3)
1936                 count = strtoul(args[2], NULL, 0);
1937
1938         switch (cmd[2])
1939         {
1940                 case 'w':
1941                         wordsize = 4;
1942                         target_buffer_set_u32(target, value_buf, value);
1943                         break;
1944                 case 'h':
1945                         wordsize = 2;
1946                         target_buffer_set_u16(target, value_buf, value);
1947                         break;
1948                 case 'b':
1949                         wordsize = 1;
1950                         value_buf[0] = value;
1951                         break;
1952                 default:
1953                         return ERROR_COMMAND_SYNTAX_ERROR;
1954         }
1955         for (i=0; i<count; i++)
1956         {
1957                 int retval;
1958                 switch (wordsize)
1959                 {
1960                         case 4:
1961                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1962                                 break;
1963                         case 2:
1964                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1965                                 break;
1966                         case 1:
1967                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1968                         break;
1969                         default:
1970                         return ERROR_OK;
1971                 }
1972                 keep_alive();
1973
1974                 if (retval!=ERROR_OK)
1975                 {
1976                         return retval;
1977                 }
1978         }
1979
1980         return ERROR_OK;
1981
1982 }
1983
1984 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1985 {
1986         u8 *buffer;
1987         u32 buf_cnt;
1988         u32 image_size;
1989         u32 min_address=0;
1990         u32 max_address=0xffffffff;
1991         int i;
1992         int retval, retvaltemp;
1993
1994         image_t image;
1995
1996         duration_t duration;
1997         char *duration_text;
1998
1999         target_t *target = get_current_target(cmd_ctx);
2000
2001         if ((argc < 1)||(argc > 5))
2002         {
2003                 return ERROR_COMMAND_SYNTAX_ERROR;
2004         }
2005
2006         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2007         if (argc >= 2)
2008         {
2009                 image.base_address_set = 1;
2010                 image.base_address = strtoul(args[1], NULL, 0);
2011         }
2012         else
2013         {
2014                 image.base_address_set = 0;
2015         }
2016
2017
2018         image.start_address_set = 0;
2019
2020         if (argc>=4)
2021         {
2022                 min_address=strtoul(args[3], NULL, 0);
2023         }
2024         if (argc>=5)
2025         {
2026                 max_address=strtoul(args[4], NULL, 0)+min_address;
2027         }
2028
2029         if (min_address>max_address)
2030         {
2031                 return ERROR_COMMAND_SYNTAX_ERROR;
2032         }
2033
2034         duration_start_measure(&duration);
2035
2036         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2037         {
2038                 return ERROR_OK;
2039         }
2040
2041         image_size = 0x0;
2042         retval = ERROR_OK;
2043         for (i = 0; i < image.num_sections; i++)
2044         {
2045                 buffer = malloc(image.sections[i].size);
2046                 if (buffer == NULL)
2047                 {
2048                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2049                         break;
2050                 }
2051
2052                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2053                 {
2054                         free(buffer);
2055                         break;
2056                 }
2057
2058                 u32 offset=0;
2059                 u32 length=buf_cnt;
2060
2061                 /* DANGER!!! beware of unsigned comparision here!!! */
2062
2063                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2064                                 (image.sections[i].base_address<max_address))
2065                 {
2066                         if (image.sections[i].base_address<min_address)
2067                         {
2068                                 /* clip addresses below */
2069                                 offset+=min_address-image.sections[i].base_address;
2070                                 length-=offset;
2071                         }
2072
2073                         if (image.sections[i].base_address+buf_cnt>max_address)
2074                         {
2075                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2076                         }
2077
2078                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2079                         {
2080                                 free(buffer);
2081                                 break;
2082                         }
2083                         image_size += length;
2084                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2085                 }
2086
2087                 free(buffer);
2088         }
2089
2090         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2091         {
2092                 image_close(&image);
2093                 return retvaltemp;
2094         }
2095
2096         if (retval==ERROR_OK)
2097         {
2098                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2099         }
2100         free(duration_text);
2101
2102         image_close(&image);
2103
2104         return retval;
2105
2106 }
2107
2108 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2109 {
2110         fileio_t fileio;
2111
2112         u32 address;
2113         u32 size;
2114         u8 buffer[560];
2115         int retval=ERROR_OK, retvaltemp;
2116
2117         duration_t duration;
2118         char *duration_text;
2119
2120         target_t *target = get_current_target(cmd_ctx);
2121
2122         if (argc != 3)
2123         {
2124                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2125                 return ERROR_OK;
2126         }
2127
2128         address = strtoul(args[1], NULL, 0);
2129         size = strtoul(args[2], NULL, 0);
2130
2131         if ((address & 3) || (size & 3))
2132         {
2133                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2134                 return ERROR_OK;
2135         }
2136
2137         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2138         {
2139                 return ERROR_OK;
2140         }
2141
2142         duration_start_measure(&duration);
2143
2144         while (size > 0)
2145         {
2146                 u32 size_written;
2147                 u32 this_run_size = (size > 560) ? 560 : size;
2148
2149                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2150                 if (retval != ERROR_OK)
2151                 {
2152                         break;
2153                 }
2154
2155                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2156                 if (retval != ERROR_OK)
2157                 {
2158                         break;
2159                 }
2160
2161                 size -= this_run_size;
2162                 address += this_run_size;
2163         }
2164
2165         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2166                 return retvaltemp;
2167
2168         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2169                 return retvaltemp;
2170
2171         if (retval==ERROR_OK)
2172         {
2173                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2174         }
2175         free(duration_text);
2176
2177         return ERROR_OK;
2178 }
2179
2180 int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2181 {
2182         u8 *buffer;
2183         u32 buf_cnt;
2184         u32 image_size;
2185         int i;
2186         int retval, retvaltemp;
2187         u32 checksum = 0;
2188         u32 mem_checksum = 0;
2189
2190         image_t image;
2191
2192         duration_t duration;
2193         char *duration_text;
2194
2195         target_t *target = get_current_target(cmd_ctx);
2196
2197         if (argc < 1)
2198         {
2199                 return ERROR_COMMAND_SYNTAX_ERROR;
2200         }
2201
2202         if (!target)
2203         {
2204                 LOG_ERROR("no target selected");
2205                 return ERROR_FAIL;
2206         }
2207
2208         duration_start_measure(&duration);
2209
2210         if (argc >= 2)
2211         {
2212                 image.base_address_set = 1;
2213                 image.base_address = strtoul(args[1], NULL, 0);
2214         }
2215         else
2216         {
2217                 image.base_address_set = 0;
2218                 image.base_address = 0x0;
2219         }
2220
2221         image.start_address_set = 0;
2222
2223         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2224         {
2225                 return retval;
2226         }
2227
2228         image_size = 0x0;
2229         retval=ERROR_OK;
2230         for (i = 0; i < image.num_sections; i++)
2231         {
2232                 buffer = malloc(image.sections[i].size);
2233                 if (buffer == NULL)
2234                 {
2235                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2236                         break;
2237                 }
2238                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2239                 {
2240                         free(buffer);
2241                         break;
2242                 }
2243
2244                 if (verify)
2245                 {
2246                         /* calculate checksum of image */
2247                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2248
2249                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2250                         if( retval != ERROR_OK )
2251                         {
2252                                 free(buffer);
2253                                 break;
2254                         }
2255
2256                         if( checksum != mem_checksum )
2257                         {
2258                                 /* failed crc checksum, fall back to a binary compare */
2259                                 u8 *data;
2260
2261                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2262
2263                                 data = (u8*)malloc(buf_cnt);
2264
2265                                 /* Can we use 32bit word accesses? */
2266                                 int size = 1;
2267                                 int count = buf_cnt;
2268                                 if ((count % 4) == 0)
2269                                 {
2270                                         size *= 4;
2271                                         count /= 4;
2272                                 }
2273                                 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2274                                 if (retval == ERROR_OK)
2275                                 {
2276                                         u32 t;
2277                                         for (t = 0; t < buf_cnt; t++)
2278                                         {
2279                                                 if (data[t] != buffer[t])
2280                                                 {
2281                                                         command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
2282                                                         free(data);
2283                                                         free(buffer);
2284                                                         retval=ERROR_FAIL;
2285                                                         goto done;
2286                                                 }
2287                                                 if ((t%16384)==0)
2288                                                 {
2289                                                         keep_alive();
2290                                                 }
2291                                         }
2292                                 }
2293
2294                                 free(data);
2295                         }
2296                 } else
2297                 {
2298                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2299                 }
2300
2301                 free(buffer);
2302                 image_size += buf_cnt;
2303         }
2304 done:
2305
2306         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2307         {
2308                 image_close(&image);
2309                 return retvaltemp;
2310         }
2311
2312         if (retval==ERROR_OK)
2313         {
2314                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2315         }
2316         free(duration_text);
2317
2318         image_close(&image);
2319
2320         return retval;
2321 }
2322
2323 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2324 {
2325         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2326 }
2327
2328 int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2329 {
2330         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2331 }
2332
2333 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2334 {
2335         int retval;
2336         target_t *target = get_current_target(cmd_ctx);
2337
2338         if (argc == 0)
2339         {
2340                 breakpoint_t *breakpoint = target->breakpoints;
2341
2342                 while (breakpoint)
2343                 {
2344                         if (breakpoint->type == BKPT_SOFT)
2345                         {
2346                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2347                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2348                                 free(buf);
2349                         }
2350                         else
2351                         {
2352                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2353                         }
2354                         breakpoint = breakpoint->next;
2355                 }
2356         }
2357         else if (argc >= 2)
2358         {
2359                 int hw = BKPT_SOFT;
2360                 u32 length = 0;
2361
2362                 length = strtoul(args[1], NULL, 0);
2363
2364                 if (argc >= 3)
2365                         if (strcmp(args[2], "hw") == 0)
2366                                 hw = BKPT_HARD;
2367
2368                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2369                 {
2370                         LOG_ERROR("Failure setting breakpoints");
2371                 }
2372                 else
2373                 {
2374                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2375                 }
2376         }
2377         else
2378         {
2379                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2380         }
2381
2382         return ERROR_OK;
2383 }
2384
2385 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2386 {
2387         target_t *target = get_current_target(cmd_ctx);
2388
2389         if (argc > 0)
2390                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2391
2392         return ERROR_OK;
2393 }
2394
2395 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2396 {
2397         target_t *target = get_current_target(cmd_ctx);
2398         int retval;
2399
2400         if (argc == 0)
2401         {
2402                 watchpoint_t *watchpoint = target->watchpoints;
2403
2404                 while (watchpoint)
2405                 {
2406                         command_print(cmd_ctx, "address: 0x%8.8x, len: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
2407                         watchpoint = watchpoint->next;
2408                 }
2409         }
2410         else if (argc >= 2)
2411         {
2412                 enum watchpoint_rw type = WPT_ACCESS;
2413                 u32 data_value = 0x0;
2414                 u32 data_mask = 0xffffffff;
2415
2416                 if (argc >= 3)
2417                 {
2418                         switch(args[2][0])
2419                         {
2420                                 case 'r':
2421                                         type = WPT_READ;
2422                                         break;
2423                                 case 'w':
2424                                         type = WPT_WRITE;
2425                                         break;
2426                                 case 'a':
2427                                         type = WPT_ACCESS;
2428                                         break;
2429                                 default:
2430                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2431                                         return ERROR_OK;
2432                         }
2433                 }
2434                 if (argc >= 4)
2435                 {
2436                         data_value = strtoul(args[3], NULL, 0);
2437                 }
2438                 if (argc >= 5)
2439                 {
2440                         data_mask = strtoul(args[4], NULL, 0);
2441                 }
2442
2443                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2444                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2445                 {
2446                         LOG_ERROR("Failure setting breakpoints");
2447                 }
2448         }
2449         else
2450         {
2451                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2452         }
2453
2454         return ERROR_OK;
2455 }
2456
2457 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2458 {
2459         target_t *target = get_current_target(cmd_ctx);
2460
2461         if (argc > 0)
2462                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2463
2464         return ERROR_OK;
2465 }
2466
2467 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2468 {
2469         int retval;
2470         target_t *target = get_current_target(cmd_ctx);
2471         u32 va;
2472         u32 pa;
2473
2474         if (argc != 1)
2475         {
2476                 return ERROR_COMMAND_SYNTAX_ERROR;
2477         }
2478         va = strtoul(args[0], NULL, 0);
2479
2480         retval = target->type->virt2phys(target, va, &pa);
2481         if (retval == ERROR_OK)
2482         {
2483                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2484         }
2485         else
2486         {
2487                 /* lower levels will have logged a detailed error which is
2488                  * forwarded to telnet/GDB session.
2489                  */
2490         }
2491         return retval;
2492 }
2493
2494 static void writeData(FILE *f, const void *data, size_t len)
2495 {
2496         size_t written = fwrite(data, len, 1, f);
2497         if (written != len)
2498                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2499 }
2500
2501 static void writeLong(FILE *f, int l)
2502 {
2503         int i;
2504         for (i=0; i<4; i++)
2505         {
2506                 char c=(l>>(i*8))&0xff;
2507                 writeData(f, &c, 1);
2508         }
2509
2510 }
2511
2512 static void writeString(FILE *f, char *s)
2513 {
2514         writeData(f, s, strlen(s));
2515 }
2516
2517 /* Dump a gmon.out histogram file. */
2518 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2519 {
2520         u32 i;
2521         FILE *f=fopen(filename, "w");
2522         if (f==NULL)
2523                 return;
2524         writeString(f, "gmon");
2525         writeLong(f, 0x00000001); /* Version */
2526         writeLong(f, 0); /* padding */
2527         writeLong(f, 0); /* padding */
2528         writeLong(f, 0); /* padding */
2529
2530         u8 zero = 0;  /* GMON_TAG_TIME_HIST */
2531         writeData(f, &zero, 1);
2532
2533         /* figure out bucket size */
2534         u32 min=samples[0];
2535         u32 max=samples[0];
2536         for (i=0; i<sampleNum; i++)
2537         {
2538                 if (min>samples[i])
2539                 {
2540                         min=samples[i];
2541                 }
2542                 if (max<samples[i])
2543                 {
2544                         max=samples[i];
2545                 }
2546         }
2547
2548         int addressSpace=(max-min+1);
2549
2550         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2551         u32 length = addressSpace;
2552         if (length > maxBuckets)
2553         {
2554                 length=maxBuckets;
2555         }
2556         int *buckets=malloc(sizeof(int)*length);
2557         if (buckets==NULL)
2558         {
2559                 fclose(f);
2560                 return;
2561         }
2562         memset(buckets, 0, sizeof(int)*length);
2563         for (i=0; i<sampleNum;i++)
2564         {
2565                 u32 address=samples[i];
2566                 long long a=address-min;
2567                 long long b=length-1;
2568                 long long c=addressSpace-1;
2569                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2570                 buckets[index]++;
2571         }
2572
2573         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2574         writeLong(f, min);                      /* low_pc */
2575         writeLong(f, max);                      /* high_pc */
2576         writeLong(f, length);           /* # of samples */
2577         writeLong(f, 64000000);         /* 64MHz */
2578         writeString(f, "seconds");
2579         for (i=0; i<(15-strlen("seconds")); i++)
2580                 writeData(f, &zero, 1);
2581         writeString(f, "s");
2582
2583         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2584
2585         char *data=malloc(2*length);
2586         if (data!=NULL)
2587         {
2588                 for (i=0; i<length;i++)
2589                 {
2590                         int val;
2591                         val=buckets[i];
2592                         if (val>65535)
2593                         {
2594                                 val=65535;
2595                         }
2596                         data[i*2]=val&0xff;
2597                         data[i*2+1]=(val>>8)&0xff;
2598                 }
2599                 free(buckets);
2600                 writeData(f, data, length * 2);
2601                 free(data);
2602         } else
2603         {
2604                 free(buckets);
2605         }
2606
2607         fclose(f);
2608 }
2609
2610 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2611 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2612 {
2613         target_t *target = get_current_target(cmd_ctx);
2614         struct timeval timeout, now;
2615
2616         gettimeofday(&timeout, NULL);
2617         if (argc!=2)
2618         {
2619                 return ERROR_COMMAND_SYNTAX_ERROR;
2620         }
2621         char *end;
2622         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2623         if (*end)
2624         {
2625                 return ERROR_OK;
2626         }
2627
2628         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2629
2630         static const int maxSample=10000;
2631         u32 *samples=malloc(sizeof(u32)*maxSample);
2632         if (samples==NULL)
2633                 return ERROR_OK;
2634
2635         int numSamples=0;
2636         int retval=ERROR_OK;
2637         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2638         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2639
2640         for (;;)
2641         {
2642                 target_poll(target);
2643                 if (target->state == TARGET_HALTED)
2644                 {
2645                         u32 t=*((u32 *)reg->value);
2646                         samples[numSamples++]=t;
2647                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2648                         target_poll(target);
2649                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2650                 } else if (target->state == TARGET_RUNNING)
2651                 {
2652                         /* We want to quickly sample the PC. */
2653                         if((retval = target_halt(target)) != ERROR_OK)
2654                         {
2655                                 free(samples);
2656                                 return retval;
2657                         }
2658                 } else
2659                 {
2660                         command_print(cmd_ctx, "Target not halted or running");
2661                         retval=ERROR_OK;
2662                         break;
2663                 }
2664                 if (retval!=ERROR_OK)
2665                 {
2666                         break;
2667                 }
2668
2669                 gettimeofday(&now, NULL);
2670                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2671                 {
2672                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2673                         if((retval = target_poll(target)) != ERROR_OK)
2674                         {
2675                                 free(samples);
2676                                 return retval;
2677                         }
2678                         if (target->state == TARGET_HALTED)
2679                         {
2680                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2681                         }
2682                         if((retval = target_poll(target)) != ERROR_OK)
2683                         {
2684                                 free(samples);
2685                                 return retval;
2686                         }
2687                         writeGmon(samples, numSamples, args[1]);
2688                         command_print(cmd_ctx, "Wrote %s", args[1]);
2689                         break;
2690                 }
2691         }
2692         free(samples);
2693
2694         return ERROR_OK;
2695 }
2696
2697 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2698 {
2699         char *namebuf;
2700         Jim_Obj *nameObjPtr, *valObjPtr;
2701         int result;
2702
2703         namebuf = alloc_printf("%s(%d)", varname, idx);
2704         if (!namebuf)
2705                 return JIM_ERR;
2706
2707         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2708         valObjPtr = Jim_NewIntObj(interp, val);
2709         if (!nameObjPtr || !valObjPtr)
2710         {
2711                 free(namebuf);
2712                 return JIM_ERR;
2713         }
2714
2715         Jim_IncrRefCount(nameObjPtr);
2716         Jim_IncrRefCount(valObjPtr);
2717         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2718         Jim_DecrRefCount(interp, nameObjPtr);
2719         Jim_DecrRefCount(interp, valObjPtr);
2720         free(namebuf);
2721         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2722         return result;
2723 }
2724
2725 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2726 {
2727         command_context_t *context;
2728         target_t *target;
2729
2730         context = Jim_GetAssocData(interp, "context");
2731         if (context == NULL)
2732         {
2733                 LOG_ERROR("mem2array: no command context");
2734                 return JIM_ERR;
2735         }
2736         target = get_current_target(context);
2737         if (target == NULL)
2738         {
2739                 LOG_ERROR("mem2array: no current target");
2740                 return JIM_ERR;
2741         }
2742
2743         return  target_mem2array(interp, target, argc,argv);
2744 }
2745
2746 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2747 {
2748         long l;
2749         u32 width;
2750         int len;
2751         u32 addr;
2752         u32 count;
2753         u32 v;
2754         const char *varname;
2755         u8 buffer[4096];
2756         int  n, e, retval;
2757         u32 i;
2758
2759         /* argv[1] = name of array to receive the data
2760          * argv[2] = desired width
2761          * argv[3] = memory address
2762          * argv[4] = count of times to read
2763          */
2764         if (argc != 5) {
2765                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2766                 return JIM_ERR;
2767         }
2768         varname = Jim_GetString(argv[1], &len);
2769         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2770
2771         e = Jim_GetLong(interp, argv[2], &l);
2772         width = l;
2773         if (e != JIM_OK) {
2774                 return e;
2775         }
2776
2777         e = Jim_GetLong(interp, argv[3], &l);
2778         addr = l;
2779         if (e != JIM_OK) {
2780                 return e;
2781         }
2782         e = Jim_GetLong(interp, argv[4], &l);
2783         len = l;
2784         if (e != JIM_OK) {
2785                 return e;
2786         }
2787         switch (width) {
2788                 case 8:
2789                         width = 1;
2790                         break;
2791                 case 16:
2792                         width = 2;
2793                         break;
2794                 case 32:
2795                         width = 4;
2796                         break;
2797                 default:
2798                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2799                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2800                         return JIM_ERR;
2801         }
2802         if (len == 0) {
2803                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2804                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2805                 return JIM_ERR;
2806         }
2807         if ((addr + (len * width)) < addr) {
2808                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2809                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2810                 return JIM_ERR;
2811         }
2812         /* absurd transfer size? */
2813         if (len > 65536) {
2814                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2815                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2816                 return JIM_ERR;
2817         }
2818
2819         if ((width == 1) ||
2820                 ((width == 2) && ((addr & 1) == 0)) ||
2821                 ((width == 4) && ((addr & 3) == 0))) {
2822                 /* all is well */
2823         } else {
2824                 char buf[100];
2825                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2826                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2827                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2828                 return JIM_ERR;
2829         }
2830
2831         /* Transfer loop */
2832
2833         /* index counter */
2834         n = 0;
2835         /* assume ok */
2836         e = JIM_OK;
2837         while (len) {
2838                 /* Slurp... in buffer size chunks */
2839
2840                 count = len; /* in objects.. */
2841                 if (count > (sizeof(buffer)/width)) {
2842                         count = (sizeof(buffer)/width);
2843                 }
2844
2845                 retval = target->type->read_memory( target, addr, width, count, buffer );
2846                 if (retval != ERROR_OK) {
2847                         /* BOO !*/
2848                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2849                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2850                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2851                         e = JIM_ERR;
2852                         len = 0;
2853                 } else {
2854                         v = 0; /* shut up gcc */
2855                         for (i = 0 ;i < count ;i++, n++) {
2856                                 switch (width) {
2857                                         case 4:
2858                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2859                                                 break;
2860                                         case 2:
2861                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2862                                                 break;
2863                                         case 1:
2864                                                 v = buffer[i] & 0x0ff;
2865                                                 break;
2866                                 }
2867                                 new_int_array_element(interp, varname, n, v);
2868                         }
2869                         len -= count;
2870                 }
2871         }
2872
2873         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2874
2875         return JIM_OK;
2876 }
2877
2878 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2879 {
2880         char *namebuf;
2881         Jim_Obj *nameObjPtr, *valObjPtr;
2882         int result;
2883         long l;
2884
2885         namebuf = alloc_printf("%s(%d)", varname, idx);
2886         if (!namebuf)
2887                 return JIM_ERR;
2888
2889         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2890         if (!nameObjPtr)
2891         {
2892                 free(namebuf);
2893                 return JIM_ERR;
2894         }
2895
2896         Jim_IncrRefCount(nameObjPtr);
2897         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2898         Jim_DecrRefCount(interp, nameObjPtr);
2899         free(namebuf);
2900         if (valObjPtr == NULL)
2901                 return JIM_ERR;
2902
2903         result = Jim_GetLong(interp, valObjPtr, &l);
2904         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2905         *val = l;
2906         return result;
2907 }
2908
2909 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2910 {
2911         command_context_t *context;
2912         target_t *target;
2913
2914         context = Jim_GetAssocData(interp, "context");
2915         if (context == NULL){
2916                 LOG_ERROR("array2mem: no command context");
2917                 return JIM_ERR;
2918         }
2919         target = get_current_target(context);
2920         if (target == NULL){
2921                 LOG_ERROR("array2mem: no current target");
2922                 return JIM_ERR;
2923         }
2924
2925         return target_array2mem( interp,target, argc, argv );
2926 }
2927
2928 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2929 {
2930         long l;
2931         u32 width;
2932         int len;
2933         u32 addr;
2934         u32 count;
2935         u32 v;
2936         const char *varname;
2937         u8 buffer[4096];
2938         int  n, e, retval;
2939         u32 i;
2940
2941         /* argv[1] = name of array to get the data
2942          * argv[2] = desired width
2943          * argv[3] = memory address
2944          * argv[4] = count to write
2945          */
2946         if (argc != 5) {
2947                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2948                 return JIM_ERR;
2949         }
2950         varname = Jim_GetString(argv[1], &len);
2951         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2952
2953         e = Jim_GetLong(interp, argv[2], &l);
2954         width = l;
2955         if (e != JIM_OK) {
2956                 return e;
2957         }
2958
2959         e = Jim_GetLong(interp, argv[3], &l);
2960         addr = l;
2961         if (e != JIM_OK) {
2962                 return e;
2963         }
2964         e = Jim_GetLong(interp, argv[4], &l);
2965         len = l;
2966         if (e != JIM_OK) {
2967                 return e;
2968         }
2969         switch (width) {
2970                 case 8:
2971                         width = 1;
2972                         break;
2973                 case 16:
2974                         width = 2;
2975                         break;
2976                 case 32:
2977                         width = 4;
2978                         break;
2979                 default:
2980                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2981                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2982                         return JIM_ERR;
2983         }
2984         if (len == 0) {
2985                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2986                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2987                 return JIM_ERR;
2988         }
2989         if ((addr + (len * width)) < addr) {
2990                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2991                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2992                 return JIM_ERR;
2993         }
2994         /* absurd transfer size? */
2995         if (len > 65536) {
2996                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2997                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2998                 return JIM_ERR;
2999         }
3000
3001         if ((width == 1) ||
3002                 ((width == 2) && ((addr & 1) == 0)) ||
3003                 ((width == 4) && ((addr & 3) == 0))) {
3004                 /* all is well */
3005         } else {
3006                 char buf[100];
3007                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3008                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3009                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3010                 return JIM_ERR;
3011         }
3012
3013         /* Transfer loop */
3014
3015         /* index counter */
3016         n = 0;
3017         /* assume ok */
3018         e = JIM_OK;
3019         while (len) {
3020                 /* Slurp... in buffer size chunks */
3021
3022                 count = len; /* in objects.. */
3023                 if (count > (sizeof(buffer)/width)) {
3024                         count = (sizeof(buffer)/width);
3025                 }
3026
3027                 v = 0; /* shut up gcc */
3028                 for (i = 0 ;i < count ;i++, n++) {
3029                         get_int_array_element(interp, varname, n, &v);
3030                         switch (width) {
3031                         case 4:
3032                                 target_buffer_set_u32(target, &buffer[i*width], v);
3033                                 break;
3034                         case 2:
3035                                 target_buffer_set_u16(target, &buffer[i*width], v);
3036                                 break;
3037                         case 1:
3038                                 buffer[i] = v & 0x0ff;
3039                                 break;
3040                         }
3041                 }
3042                 len -= count;
3043
3044                 retval = target->type->write_memory(target, addr, width, count, buffer);
3045                 if (retval != ERROR_OK) {
3046                         /* BOO !*/
3047                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3048                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3049                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3050                         e = JIM_ERR;
3051                         len = 0;
3052                 }
3053         }
3054
3055         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3056
3057         return JIM_OK;
3058 }
3059
3060 void target_all_handle_event( enum target_event e )
3061 {
3062         target_t *target;
3063
3064         LOG_DEBUG( "**all*targets: event: %d, %s",
3065                         e,
3066                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3067
3068         target = all_targets;
3069         while (target){
3070                 target_handle_event( target, e );
3071                 target = target->next;
3072         }
3073 }
3074
3075 void target_handle_event( target_t *target, enum target_event e )
3076 {
3077         target_event_action_t *teap;
3078         int done;
3079
3080         teap = target->event_action;
3081
3082         done = 0;
3083         while( teap ){
3084                 if( teap->event == e ){
3085                         done = 1;
3086                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3087                                            target->target_number,
3088                                            target->cmd_name,
3089                                            target->type->name,
3090                                            e,
3091                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3092                                            Jim_GetString( teap->body, NULL ) );
3093                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3094                         {
3095                                 Jim_PrintErrorMessage(interp);
3096                         }
3097                 }
3098                 teap = teap->next;
3099         }
3100         if( !done ){
3101                 LOG_DEBUG( "event: %d %s - no action",
3102                                    e,
3103                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3104         }
3105 }
3106
3107 enum target_cfg_param {
3108         TCFG_TYPE,
3109         TCFG_EVENT,
3110         TCFG_WORK_AREA_VIRT,
3111         TCFG_WORK_AREA_PHYS,
3112         TCFG_WORK_AREA_SIZE,
3113         TCFG_WORK_AREA_BACKUP,
3114         TCFG_ENDIAN,
3115         TCFG_VARIANT,
3116         TCFG_CHAIN_POSITION,
3117 };
3118
3119 static Jim_Nvp nvp_config_opts[] = {
3120         { .name = "-type",             .value = TCFG_TYPE },
3121         { .name = "-event",            .value = TCFG_EVENT },
3122         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3123         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3124         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3125         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3126         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3127         { .name = "-variant",          .value = TCFG_VARIANT },
3128         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3129
3130         { .name = NULL, .value = -1 }
3131 };
3132
3133 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3134 {
3135         Jim_Nvp *n;
3136         Jim_Obj *o;
3137         jim_wide w;
3138         char *cp;
3139         int e;
3140
3141         /* parse config or cget options ... */
3142         while( goi->argc > 0 ){
3143                 Jim_SetEmptyResult( goi->interp );
3144                 /* Jim_GetOpt_Debug( goi ); */
3145
3146                 if( target->type->target_jim_configure ){
3147                         /* target defines a configure function */
3148                         /* target gets first dibs on parameters */
3149                         e = (*(target->type->target_jim_configure))( target, goi );
3150                         if( e == JIM_OK ){
3151                                 /* more? */
3152                                 continue;
3153                         }
3154                         if( e == JIM_ERR ){
3155                                 /* An error */
3156                                 return e;
3157                         }
3158                         /* otherwise we 'continue' below */
3159                 }
3160                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3161                 if( e != JIM_OK ){
3162                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3163                         return e;
3164                 }
3165                 switch( n->value ){
3166                 case TCFG_TYPE:
3167                         /* not setable */
3168                         if( goi->isconfigure ){
3169                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3170                                 return JIM_ERR;
3171                         } else {
3172                         no_params:
3173                                 if( goi->argc != 0 ){
3174                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3175                                         return JIM_ERR;
3176                                 }
3177                         }
3178                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3179                         /* loop for more */
3180                         break;
3181                 case TCFG_EVENT:
3182                         if( goi->argc == 0 ){
3183                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3184                                 return JIM_ERR;
3185                         }
3186
3187                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3188                         if( e != JIM_OK ){
3189                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3190                                 return e;
3191                         }
3192
3193                         if( goi->isconfigure ){
3194                                 if( goi->argc != 1 ){
3195                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3196                                         return JIM_ERR;
3197                                 }
3198                         } else {
3199                                 if( goi->argc != 0 ){
3200                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3201                                         return JIM_ERR;
3202                                 }
3203                         }
3204
3205                         {
3206                                 target_event_action_t *teap;
3207
3208                                 teap = target->event_action;
3209                                 /* replace existing? */
3210                                 while( teap ){
3211                                         if( teap->event == (enum target_event)n->value ){
3212                                                 break;
3213                                         }
3214                                         teap = teap->next;
3215                                 }
3216
3217                                 if( goi->isconfigure ){
3218                                         if( teap == NULL ){
3219                                                 /* create new */
3220                                                 teap = calloc( 1, sizeof(*teap) );
3221                                         }
3222                                         teap->event = n->value;
3223                                         Jim_GetOpt_Obj( goi, &o );
3224                                         if( teap->body ){
3225                                                 Jim_DecrRefCount( interp, teap->body );
3226                                         }
3227                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3228                                         /*
3229                                          * FIXME:
3230                                          *     Tcl/TK - "tk events" have a nice feature.
3231                                          *     See the "BIND" command.
3232                                          *    We should support that here.
3233                                          *     You can specify %X and %Y in the event code.
3234                                          *     The idea is: %T - target name.
3235                                          *     The idea is: %N - target number
3236                                          *     The idea is: %E - event name.
3237                                          */
3238                                         Jim_IncrRefCount( teap->body );
3239
3240                                         /* add to head of event list */
3241                                         teap->next = target->event_action;
3242                                         target->event_action = teap;
3243                                         Jim_SetEmptyResult(goi->interp);
3244                                 } else {
3245                                         /* get */
3246                                         if( teap == NULL ){
3247                                                 Jim_SetEmptyResult( goi->interp );
3248                                         } else {
3249                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3250                                         }
3251                                 }
3252                         }
3253                         /* loop for more */
3254                         break;
3255
3256                 case TCFG_WORK_AREA_VIRT:
3257                         if( goi->isconfigure ){
3258                                 target_free_all_working_areas(target);
3259                                 e = Jim_GetOpt_Wide( goi, &w );
3260                                 if( e != JIM_OK ){
3261                                         return e;
3262                                 }
3263                                 target->working_area_virt = w;
3264                         } else {
3265                                 if( goi->argc != 0 ){
3266                                         goto no_params;
3267                                 }
3268                         }
3269                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3270                         /* loop for more */
3271                         break;
3272
3273                 case TCFG_WORK_AREA_PHYS:
3274                         if( goi->isconfigure ){
3275                                 target_free_all_working_areas(target);
3276                                 e = Jim_GetOpt_Wide( goi, &w );
3277                                 if( e != JIM_OK ){
3278                                         return e;
3279                                 }
3280                                 target->working_area_phys = w;
3281                         } else {
3282                                 if( goi->argc != 0 ){
3283                                         goto no_params;
3284                                 }
3285                         }
3286                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3287                         /* loop for more */
3288                         break;
3289
3290                 case TCFG_WORK_AREA_SIZE:
3291                         if( goi->isconfigure ){
3292                                 target_free_all_working_areas(target);
3293                                 e = Jim_GetOpt_Wide( goi, &w );
3294                                 if( e != JIM_OK ){
3295                                         return e;
3296                                 }
3297                                 target->working_area_size = w;
3298                         } else {
3299                                 if( goi->argc != 0 ){
3300                                         goto no_params;
3301                                 }
3302                         }
3303                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3304                         /* loop for more */
3305                         break;
3306
3307                 case TCFG_WORK_AREA_BACKUP:
3308                         if( goi->isconfigure ){
3309                                 target_free_all_working_areas(target);
3310                                 e = Jim_GetOpt_Wide( goi, &w );
3311                                 if( e != JIM_OK ){
3312                                         return e;
3313                                 }
3314                                 /* make this exactly 1 or 0 */
3315                                 target->backup_working_area = (!!w);
3316                         } else {
3317                                 if( goi->argc != 0 ){
3318                                         goto no_params;
3319                                 }
3320                         }
3321                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3322                         /* loop for more e*/
3323                         break;
3324
3325                 case TCFG_ENDIAN:
3326                         if( goi->isconfigure ){
3327                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3328                                 if( e != JIM_OK ){
3329                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3330                                         return e;
3331                                 }
3332                                 target->endianness = n->value;
3333                         } else {
3334                                 if( goi->argc != 0 ){
3335                                         goto no_params;
3336                                 }
3337                         }
3338                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3339                         if( n->name == NULL ){
3340                                 target->endianness = TARGET_LITTLE_ENDIAN;
3341                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3342                         }
3343                         Jim_SetResultString( goi->interp, n->name, -1 );
3344                         /* loop for more */
3345                         break;
3346
3347                 case TCFG_VARIANT:
3348                         if( goi->isconfigure ){
3349                                 if( goi->argc < 1 ){
3350                                         Jim_SetResult_sprintf( goi->interp,
3351                                                                                    "%s ?STRING?",
3352                                                                                    n->name );
3353                                         return JIM_ERR;
3354                                 }
3355                                 if( target->variant ){
3356                                         free((void *)(target->variant));
3357                                 }
3358                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3359                                 target->variant = strdup(cp);
3360                         } else {
3361                                 if( goi->argc != 0 ){
3362                                         goto no_params;
3363                                 }
3364                         }
3365                         Jim_SetResultString( goi->interp, target->variant,-1 );
3366                         /* loop for more */
3367                         break;
3368                 case TCFG_CHAIN_POSITION:
3369                         if( goi->isconfigure ){
3370                                 Jim_Obj *o;
3371                                 jtag_tap_t *tap;
3372                                 target_free_all_working_areas(target);
3373                                 e = Jim_GetOpt_Obj( goi, &o );
3374                                 if( e != JIM_OK ){
3375                                         return e;
3376                                 }
3377                                 tap = jtag_TapByJimObj( goi->interp, o );
3378                                 if( tap == NULL ){
3379                                         return JIM_ERR;
3380                                 }
3381                                 /* make this exactly 1 or 0 */
3382                                 target->tap = tap;
3383                         } else {
3384                                 if( goi->argc != 0 ){
3385                                         goto no_params;
3386                                 }
3387                         }
3388                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3389                         /* loop for more e*/
3390                         break;
3391                 }
3392         } /* while( goi->argc ) */
3393
3394
3395                 /* done - we return */
3396         return JIM_OK;
3397 }
3398
3399 /** this is the 'tcl' handler for the target specific command */
3400 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3401 {
3402         Jim_GetOptInfo goi;
3403         jim_wide a,b,c;
3404         int x,y,z;
3405         u8  target_buf[32];
3406         Jim_Nvp *n;
3407         target_t *target;
3408         struct command_context_s *cmd_ctx;
3409         int e;
3410
3411         enum {
3412                 TS_CMD_CONFIGURE,
3413                 TS_CMD_CGET,
3414
3415                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3416                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3417                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3418                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3419                 TS_CMD_EXAMINE,
3420                 TS_CMD_POLL,
3421                 TS_CMD_RESET,
3422                 TS_CMD_HALT,
3423                 TS_CMD_WAITSTATE,
3424                 TS_CMD_EVENTLIST,
3425                 TS_CMD_CURSTATE,
3426                 TS_CMD_INVOKE_EVENT,
3427         };
3428
3429         static const Jim_Nvp target_options[] = {
3430                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3431                 { .name = "cget", .value = TS_CMD_CGET },
3432                 { .name = "mww", .value = TS_CMD_MWW },
3433                 { .name = "mwh", .value = TS_CMD_MWH },
3434                 { .name = "mwb", .value = TS_CMD_MWB },
3435                 { .name = "mdw", .value = TS_CMD_MDW },
3436                 { .name = "mdh", .value = TS_CMD_MDH },
3437                 { .name = "mdb", .value = TS_CMD_MDB },
3438                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3439                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3440                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3441                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3442
3443                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3444                 { .name = "arp_poll", .value = TS_CMD_POLL },
3445                 { .name = "arp_reset", .value = TS_CMD_RESET },
3446                 { .name = "arp_halt", .value = TS_CMD_HALT },
3447                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3448                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3449
3450                 { .name = NULL, .value = -1 },
3451         };
3452
3453         /* go past the "command" */
3454         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3455
3456         target = Jim_CmdPrivData( goi.interp );
3457         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3458
3459         /* commands here are in an NVP table */
3460         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3461         if( e != JIM_OK ){
3462                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3463                 return e;
3464         }
3465         /* Assume blank result */
3466         Jim_SetEmptyResult( goi.interp );
3467
3468         switch( n->value ){
3469         case TS_CMD_CONFIGURE:
3470                 if( goi.argc < 2 ){
3471                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3472                         return JIM_ERR;
3473                 }
3474                 goi.isconfigure = 1;
3475                 return target_configure( &goi, target );
3476         case TS_CMD_CGET:
3477                 // some things take params
3478                 if( goi.argc < 1 ){
3479                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3480                         return JIM_ERR;
3481                 }
3482                 goi.isconfigure = 0;
3483                 return target_configure( &goi, target );
3484                 break;
3485         case TS_CMD_MWW:
3486         case TS_CMD_MWH:
3487         case TS_CMD_MWB:
3488                 /* argv[0] = cmd
3489                  * argv[1] = address
3490                  * argv[2] = data
3491                  * argv[3] = optional count.
3492                  */
3493
3494                 if( (goi.argc == 3) || (goi.argc == 4) ){
3495                         /* all is well */
3496                 } else {
3497                 mwx_error:
3498                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3499                         return JIM_ERR;
3500                 }
3501
3502                 e = Jim_GetOpt_Wide( &goi, &a );
3503                 if( e != JIM_OK ){
3504                         goto mwx_error;
3505                 }
3506
3507                 e = Jim_GetOpt_Wide( &goi, &b );
3508                 if( e != JIM_OK ){
3509                         goto mwx_error;
3510                 }
3511                 if( goi.argc ){
3512                         e = Jim_GetOpt_Wide( &goi, &c );
3513                         if( e != JIM_OK ){
3514                                 goto mwx_error;
3515                         }
3516                 } else {
3517                         c = 1;
3518                 }
3519
3520                 switch( n->value ){
3521                 case TS_CMD_MWW:
3522                         target_buffer_set_u32( target, target_buf, b );
3523                         b = 4;
3524                         break;
3525                 case TS_CMD_MWH:
3526                         target_buffer_set_u16( target, target_buf, b );
3527                         b = 2;
3528                         break;
3529                 case TS_CMD_MWB:
3530                         target_buffer_set_u8( target, target_buf, b );
3531                         b = 1;
3532                         break;
3533                 }
3534                 for( x = 0 ; x < c ; x++ ){
3535                         e = target->type->write_memory( target, a, b, 1, target_buf );
3536                         if( e != ERROR_OK ){
3537                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3538                                 return JIM_ERR;
3539                         }
3540                         /* b = width */
3541                         a = a + b;
3542                 }
3543                 return JIM_OK;
3544                 break;
3545
3546                 /* display */
3547         case TS_CMD_MDW:
3548         case TS_CMD_MDH:
3549         case TS_CMD_MDB:
3550                 /* argv[0] = command
3551                  * argv[1] = address
3552                  * argv[2] = optional count
3553                  */
3554                 if( (goi.argc == 2) || (goi.argc == 3) ){
3555                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3556                         return JIM_ERR;
3557                 }
3558                 e = Jim_GetOpt_Wide( &goi, &a );
3559                 if( e != JIM_OK ){
3560                         return JIM_ERR;
3561                 }
3562                 if( goi.argc ){
3563                         e = Jim_GetOpt_Wide( &goi, &c );
3564                         if( e != JIM_OK ){
3565                                 return JIM_ERR;
3566                         }
3567                 } else {
3568                         c = 1;
3569                 }
3570                 b = 1; /* shut up gcc */
3571                 switch( n->value ){
3572                 case TS_CMD_MDW:
3573                         b =  4;
3574                         break;
3575                 case TS_CMD_MDH:
3576                         b = 2;
3577                         break;
3578                 case TS_CMD_MDB:
3579                         b = 1;
3580                         break;
3581                 }
3582
3583                 /* convert to "bytes" */
3584                 c = c * b;
3585                 /* count is now in 'BYTES' */
3586                 while( c > 0 ){
3587                         y = c;
3588                         if( y > 16 ){
3589                                 y = 16;
3590                         }
3591                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3592                         if( e != ERROR_OK ){
3593                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3594                                 return JIM_ERR;
3595                         }
3596
3597                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3598                         switch( b ){
3599                         case 4:
3600                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3601                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3602                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3603                                 }
3604                                 for( ; (x < 16) ; x += 4 ){
3605                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3606                                 }
3607                                 break;
3608                         case 2:
3609                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3610                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3611                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3612                                 }
3613                                 for( ; (x < 16) ; x += 2 ){
3614                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3615                                 }
3616                                 break;
3617                         case 1:
3618                         default:
3619                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3620                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3621                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3622                                 }
3623                                 for( ; (x < 16) ; x += 1 ){
3624                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3625                                 }
3626                                 break;
3627                         }
3628                         /* ascii-ify the bytes */
3629                         for( x = 0 ; x < y ; x++ ){
3630                                 if( (target_buf[x] >= 0x20) &&
3631                                         (target_buf[x] <= 0x7e) ){
3632                                         /* good */
3633                                 } else {
3634                                         /* smack it */
3635                                         target_buf[x] = '.';
3636                                 }
3637                         }
3638                         /* space pad  */
3639                         while( x < 16 ){
3640                                 target_buf[x] = ' ';
3641                                 x++;
3642                         }
3643                         /* terminate */
3644                         target_buf[16] = 0;
3645                         /* print - with a newline */
3646                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3647                         /* NEXT... */
3648                         c -= 16;
3649                         a += 16;
3650                 }
3651                 return JIM_OK;
3652         case TS_CMD_MEM2ARRAY:
3653                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3654                 break;
3655         case TS_CMD_ARRAY2MEM:
3656                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3657                 break;
3658         case TS_CMD_EXAMINE:
3659                 if( goi.argc ){
3660                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3661                         return JIM_ERR;
3662                 }
3663                 e = target->type->examine( target );
3664                 if( e != ERROR_OK ){
3665                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3666                         return JIM_ERR;
3667                 }
3668                 return JIM_OK;
3669         case TS_CMD_POLL:
3670                 if( goi.argc ){
3671                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3672                         return JIM_ERR;
3673                 }
3674                 if( !(target->type->examined) ){
3675                         e = ERROR_TARGET_NOT_EXAMINED;
3676                 } else {
3677                         e = target->type->poll( target );
3678                 }
3679                 if( e != ERROR_OK ){
3680                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3681                         return JIM_ERR;
3682                 } else {
3683                         return JIM_OK;
3684                 }
3685                 break;
3686         case TS_CMD_RESET:
3687                 if( goi.argc != 2 ){
3688                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3689                         return JIM_ERR;
3690                 }
3691                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3692                 if( e != JIM_OK ){
3693                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3694                         return e;
3695                 }
3696                 /* the halt or not param */
3697                 e = Jim_GetOpt_Wide( &goi, &a);
3698                 if( e != JIM_OK ){
3699                         return e;
3700                 }
3701                 /* determine if we should halt or not. */
3702                 target->reset_halt = !!a;
3703                 /* When this happens - all workareas are invalid. */
3704                 target_free_all_working_areas_restore(target, 0);
3705
3706                 /* do the assert */
3707                 if( n->value == NVP_ASSERT ){
3708                         target->type->assert_reset( target );
3709                 } else {
3710                         target->type->deassert_reset( target );
3711                 }
3712                 return JIM_OK;
3713         case TS_CMD_HALT:
3714                 if( goi.argc ){
3715                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3716                         return JIM_ERR;
3717                 }
3718                 target->type->halt( target );
3719                 return JIM_OK;
3720         case TS_CMD_WAITSTATE:
3721                 /* params:  <name>  statename timeoutmsecs */
3722                 if( goi.argc != 2 ){
3723                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3724                         return JIM_ERR;
3725                 }
3726                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3727                 if( e != JIM_OK ){
3728                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3729                         return e;
3730                 }
3731                 e = Jim_GetOpt_Wide( &goi, &a );
3732                 if( e != JIM_OK ){
3733                         return e;
3734                 }
3735                 e = target_wait_state( target, n->value, a );
3736                 if( e != ERROR_OK ){
3737                         Jim_SetResult_sprintf( goi.interp,
3738                                                                    "target: %s wait %s fails (%d) %s",
3739                                                                    target->cmd_name,
3740                                                                    n->name,
3741                                                                    e, target_strerror_safe(e) );
3742                         return JIM_ERR;
3743                 } else {
3744                         return JIM_OK;
3745                 }
3746         case TS_CMD_EVENTLIST:
3747                 /* List for human, Events defined for this target.
3748                  * scripts/programs should use 'name cget -event NAME'
3749                  */
3750                 {
3751                         target_event_action_t *teap;
3752                         teap = target->event_action;
3753                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3754                                                    target->target_number,
3755                                                    target->cmd_name );
3756                         command_print( cmd_ctx, "%-25s | Body", "Event");
3757                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3758                         while( teap ){
3759                                 command_print( cmd_ctx,
3760                                                            "%-25s | %s",
3761                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3762                                                            Jim_GetString( teap->body, NULL ) );
3763                                 teap = teap->next;
3764                         }
3765                         command_print( cmd_ctx, "***END***");
3766                         return JIM_OK;
3767                 }
3768         case TS_CMD_CURSTATE:
3769                 if( goi.argc != 0 ){
3770                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3771                         return JIM_ERR;
3772                 }
3773                 Jim_SetResultString( goi.interp,
3774                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3775                 return JIM_OK;
3776         case TS_CMD_INVOKE_EVENT:
3777                 if( goi.argc != 1 ){
3778                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3779                         return JIM_ERR;
3780                 }
3781                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3782                 if( e != JIM_OK ){
3783                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3784                         return e;
3785                 }
3786                 target_handle_event( target, n->value );
3787                 return JIM_OK;
3788         }
3789         return JIM_ERR;
3790 }
3791
3792 static int target_create( Jim_GetOptInfo *goi )
3793 {
3794         Jim_Obj *new_cmd;
3795         Jim_Cmd *cmd;
3796         const char *cp;
3797         char *cp2;
3798         int e;
3799         int x;
3800         target_t *target;
3801         struct command_context_s *cmd_ctx;
3802
3803         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3804         if( goi->argc < 3 ){
3805                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3806                 return JIM_ERR;
3807         }
3808
3809         /* COMMAND */
3810         Jim_GetOpt_Obj( goi, &new_cmd );
3811         /* does this command exist? */
3812         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3813         if( cmd ){
3814                 cp = Jim_GetString( new_cmd, NULL );
3815                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3816                 return JIM_ERR;
3817         }
3818
3819         /* TYPE */
3820         e = Jim_GetOpt_String( goi, &cp2, NULL );
3821         cp = cp2;
3822         /* now does target type exist */
3823         for( x = 0 ; target_types[x] ; x++ ){
3824                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3825                         /* found */
3826                         break;
3827                 }
3828         }
3829         if( target_types[x] == NULL ){
3830                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3831                 for( x = 0 ; target_types[x] ; x++ ){
3832                         if( target_types[x+1] ){
3833                                 Jim_AppendStrings( goi->interp,
3834                                                                    Jim_GetResult(goi->interp),
3835                                                                    target_types[x]->name,
3836                                                                    ", ", NULL);
3837                         } else {
3838                                 Jim_AppendStrings( goi->interp,
3839                                                                    Jim_GetResult(goi->interp),
3840                                                                    " or ",
3841                                                                    target_types[x]->name,NULL );
3842                         }
3843                 }
3844                 return JIM_ERR;
3845         }
3846
3847         /* Create it */
3848         target = calloc(1,sizeof(target_t));
3849         /* set target number */
3850         target->target_number = new_target_number();
3851
3852         /* allocate memory for each unique target type */
3853         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3854
3855         memcpy( target->type, target_types[x], sizeof(target_type_t));
3856
3857         /* will be set by "-endian" */
3858         target->endianness = TARGET_ENDIAN_UNKNOWN;
3859
3860         target->working_area        = 0x0;
3861         target->working_area_size   = 0x0;
3862         target->working_areas       = NULL;
3863         target->backup_working_area = 0;
3864
3865         target->state               = TARGET_UNKNOWN;
3866         target->debug_reason        = DBG_REASON_UNDEFINED;
3867         target->reg_cache           = NULL;
3868         target->breakpoints         = NULL;
3869         target->watchpoints         = NULL;
3870         target->next                = NULL;
3871         target->arch_info           = NULL;
3872
3873         target->display             = 1;
3874
3875         /* initialize trace information */
3876         target->trace_info = malloc(sizeof(trace_t));
3877         target->trace_info->num_trace_points         = 0;
3878         target->trace_info->trace_points_size        = 0;
3879         target->trace_info->trace_points             = NULL;
3880         target->trace_info->trace_history_size       = 0;
3881         target->trace_info->trace_history            = NULL;
3882         target->trace_info->trace_history_pos        = 0;
3883         target->trace_info->trace_history_overflowed = 0;
3884
3885         target->dbgmsg          = NULL;
3886         target->dbg_msg_enabled = 0;
3887
3888         target->endianness = TARGET_ENDIAN_UNKNOWN;
3889
3890         /* Do the rest as "configure" options */
3891         goi->isconfigure = 1;
3892         e = target_configure( goi, target);
3893
3894         if (target->tap == NULL)
3895         {
3896                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
3897                 e=JIM_ERR;
3898         }
3899
3900         if( e != JIM_OK ){
3901                 free( target->type );
3902                 free( target );
3903                 return e;
3904         }
3905
3906         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3907                 /* default endian to little if not specified */
3908                 target->endianness = TARGET_LITTLE_ENDIAN;
3909         }
3910
3911         /* incase variant is not set */
3912         if (!target->variant)
3913                 target->variant = strdup("");
3914
3915         /* create the target specific commands */
3916         if( target->type->register_commands ){
3917                 (*(target->type->register_commands))( cmd_ctx );
3918         }
3919         if( target->type->target_create ){
3920                 (*(target->type->target_create))( target, goi->interp );
3921         }
3922
3923         /* append to end of list */
3924         {
3925                 target_t **tpp;
3926                 tpp = &(all_targets);
3927                 while( *tpp ){
3928                         tpp = &( (*tpp)->next );
3929                 }
3930                 *tpp = target;
3931         }
3932
3933         cp = Jim_GetString( new_cmd, NULL );
3934         target->cmd_name = strdup(cp);
3935
3936         /* now - create the new target name command */
3937         e = Jim_CreateCommand( goi->interp,
3938                                                    /* name */
3939                                                    cp,
3940                                                    tcl_target_func, /* C function */
3941                                                    target, /* private data */
3942                                                    NULL ); /* no del proc */
3943
3944         return e;
3945 }
3946
3947 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3948 {
3949         int x,r,e;
3950         jim_wide w;
3951         struct command_context_s *cmd_ctx;
3952         target_t *target;
3953         Jim_GetOptInfo goi;
3954         enum tcmd {
3955                 /* TG = target generic */
3956                 TG_CMD_CREATE,
3957                 TG_CMD_TYPES,
3958                 TG_CMD_NAMES,
3959                 TG_CMD_CURRENT,
3960                 TG_CMD_NUMBER,
3961                 TG_CMD_COUNT,
3962         };
3963         const char *target_cmds[] = {
3964                 "create", "types", "names", "current", "number",
3965                 "count",
3966                 NULL /* terminate */
3967         };
3968
3969         LOG_DEBUG("Target command params:");
3970         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
3971
3972         cmd_ctx = Jim_GetAssocData( interp, "context" );
3973
3974         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3975
3976         if( goi.argc == 0 ){
3977                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3978                 return JIM_ERR;
3979         }
3980
3981         /* Jim_GetOpt_Debug( &goi ); */
3982         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3983         if( r != JIM_OK ){
3984                 return r;
3985         }
3986
3987         switch(x){
3988         default:
3989                 Jim_Panic(goi.interp,"Why am I here?");
3990                 return JIM_ERR;
3991         case TG_CMD_CURRENT:
3992                 if( goi.argc != 0 ){
3993                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3994                         return JIM_ERR;
3995                 }
3996                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3997                 return JIM_OK;
3998         case TG_CMD_TYPES:
3999                 if( goi.argc != 0 ){
4000                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4001                         return JIM_ERR;
4002                 }
4003                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4004                 for( x = 0 ; target_types[x] ; x++ ){
4005                         Jim_ListAppendElement( goi.interp,
4006                                                                    Jim_GetResult(goi.interp),
4007                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4008                 }
4009                 return JIM_OK;
4010         case TG_CMD_NAMES:
4011                 if( goi.argc != 0 ){
4012                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4013                         return JIM_ERR;
4014                 }
4015                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4016                 target = all_targets;
4017                 while( target ){
4018                         Jim_ListAppendElement( goi.interp,
4019                                                                    Jim_GetResult(goi.interp),
4020                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4021                         target = target->next;
4022                 }
4023                 return JIM_OK;
4024         case TG_CMD_CREATE:
4025                 if( goi.argc < 3 ){
4026                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4027                         return JIM_ERR;
4028                 }
4029                 return target_create( &goi );
4030                 break;
4031         case TG_CMD_NUMBER:
4032                 if( goi.argc != 1 ){
4033                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4034                         return JIM_ERR;
4035                 }
4036                 e = Jim_GetOpt_Wide( &goi, &w );
4037                 if( e != JIM_OK ){
4038                         return JIM_ERR;
4039                 }
4040                 {
4041                         target_t *t;
4042                         t = get_target_by_num(w);
4043                         if( t == NULL ){
4044                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4045                                 return JIM_ERR;
4046                         }
4047                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4048                         return JIM_OK;
4049                 }
4050         case TG_CMD_COUNT:
4051                 if( goi.argc != 0 ){
4052                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4053                         return JIM_ERR;
4054                 }
4055                 Jim_SetResult( goi.interp,
4056                                            Jim_NewIntObj( goi.interp, max_target_number()));
4057                 return JIM_OK;
4058         }
4059
4060         return JIM_ERR;
4061 }
4062
4063
4064 struct FastLoad
4065 {
4066         u32 address;
4067         u8 *data;
4068         int length;
4069
4070 };
4071
4072 static int fastload_num;
4073 static struct FastLoad *fastload;
4074
4075 static void free_fastload(void)
4076 {
4077         if (fastload!=NULL)
4078         {
4079                 int i;
4080                 for (i=0; i<fastload_num; i++)
4081                 {
4082                         if (fastload[i].data)
4083                                 free(fastload[i].data);
4084                 }
4085                 free(fastload);
4086                 fastload=NULL;
4087         }
4088 }
4089
4090
4091
4092
4093 int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4094 {
4095         u8 *buffer;
4096         u32 buf_cnt;
4097         u32 image_size;
4098         u32 min_address=0;
4099         u32 max_address=0xffffffff;
4100         int i;
4101         int retval;
4102
4103         image_t image;
4104
4105         duration_t duration;
4106         char *duration_text;
4107
4108         if ((argc < 1)||(argc > 5))
4109         {
4110                 return ERROR_COMMAND_SYNTAX_ERROR;
4111         }
4112
4113         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4114         if (argc >= 2)
4115         {
4116                 image.base_address_set = 1;
4117                 image.base_address = strtoul(args[1], NULL, 0);
4118         }
4119         else
4120         {
4121                 image.base_address_set = 0;
4122         }
4123
4124
4125         image.start_address_set = 0;
4126
4127         if (argc>=4)
4128         {
4129                 min_address=strtoul(args[3], NULL, 0);
4130         }
4131         if (argc>=5)
4132         {
4133                 max_address=strtoul(args[4], NULL, 0)+min_address;
4134         }
4135
4136         if (min_address>max_address)
4137         {
4138                 return ERROR_COMMAND_SYNTAX_ERROR;
4139         }
4140
4141         duration_start_measure(&duration);
4142
4143         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4144         {
4145                 return ERROR_OK;
4146         }
4147
4148         image_size = 0x0;
4149         retval = ERROR_OK;
4150         fastload_num=image.num_sections;
4151         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4152         if (fastload==NULL)
4153         {
4154                 image_close(&image);
4155                 return ERROR_FAIL;
4156         }
4157         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4158         for (i = 0; i < image.num_sections; i++)
4159         {
4160                 buffer = malloc(image.sections[i].size);
4161                 if (buffer == NULL)
4162                 {
4163                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4164                         break;
4165                 }
4166
4167                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4168                 {
4169                         free(buffer);
4170                         break;
4171                 }
4172
4173                 u32 offset=0;
4174                 u32 length=buf_cnt;
4175
4176
4177                 /* DANGER!!! beware of unsigned comparision here!!! */
4178
4179                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4180                                 (image.sections[i].base_address<max_address))
4181                 {
4182                         if (image.sections[i].base_address<min_address)
4183                         {
4184                                 /* clip addresses below */
4185                                 offset+=min_address-image.sections[i].base_address;
4186                                 length-=offset;
4187                         }
4188
4189                         if (image.sections[i].base_address+buf_cnt>max_address)
4190                         {
4191                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4192                         }
4193
4194                         fastload[i].address=image.sections[i].base_address+offset;
4195                         fastload[i].data=malloc(length);
4196                         if (fastload[i].data==NULL)
4197                         {
4198                                 free(buffer);
4199                                 break;
4200                         }
4201                         memcpy(fastload[i].data, buffer+offset, length);
4202                         fastload[i].length=length;
4203
4204                         image_size += length;
4205                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4206                 }
4207
4208                 free(buffer);
4209         }
4210
4211         duration_stop_measure(&duration, &duration_text);
4212         if (retval==ERROR_OK)
4213         {
4214                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4215                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4216         }
4217         free(duration_text);
4218
4219         image_close(&image);
4220
4221         if (retval!=ERROR_OK)
4222         {
4223                 free_fastload();
4224         }
4225
4226         return retval;
4227 }
4228
4229 int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4230 {
4231         if (argc>0)
4232                 return ERROR_COMMAND_SYNTAX_ERROR;
4233         if (fastload==NULL)
4234         {
4235                 LOG_ERROR("No image in memory");
4236                 return ERROR_FAIL;
4237         }
4238         int i;
4239         int ms=timeval_ms();
4240         int size=0;
4241         int retval=ERROR_OK;
4242         for (i=0; i<fastload_num;i++)
4243         {
4244                 target_t *target = get_current_target(cmd_ctx);
4245                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4246                 if (retval==ERROR_OK)
4247                 {
4248                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4249                 }
4250                 size+=fastload[i].length;
4251         }
4252         int after=timeval_ms();
4253         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4254         return retval;
4255 }