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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "target.h"
  37 #include "target_request.h"
  38 #include "time_support.h"
  39 #include "register.h"
  40 #include "trace.h"
  41 #include "image.h"
  42 #include "jtag.h"
  43
  44 #include <inttypes.h>
  45
  46
  47 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  48
  49 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  50 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  51 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  52 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  53 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  55 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  56 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  57 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  58 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  59 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  60 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  61 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  63 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  68 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71
  72 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  73 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  74 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  75
  76 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  77 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  78
  79 /* targets */
  80 extern target_type_t arm7tdmi_target;
  81 extern target_type_t arm720t_target;
  82 extern target_type_t arm9tdmi_target;
  83 extern target_type_t arm920t_target;
  84 extern target_type_t arm966e_target;
  85 extern target_type_t arm926ejs_target;
  86 extern target_type_t feroceon_target;
  87 extern target_type_t xscale_target;
  88 extern target_type_t cortexm3_target;
  89 extern target_type_t cortexa8_target;
  90 extern target_type_t arm11_target;
  91 extern target_type_t mips_m4k_target;
  92 extern target_type_t avr_target;
  93
  94 target_type_t *target_types[] =
  95 {
  96         &arm7tdmi_target,
  97         &arm9tdmi_target,
  98         &arm920t_target,
  99         &arm720t_target,
 100         &arm966e_target,
 101         &arm926ejs_target,
 102         &feroceon_target,
 103         &xscale_target,
 104         &cortexm3_target,
 105         &cortexa8_target,
 106         &arm11_target,
 107         &mips_m4k_target,
 108         &avr_target,
 109         NULL,
 110 };
 111
 112 target_t *all_targets = NULL;
 113 target_event_callback_t *target_event_callbacks = NULL;
 114 target_timer_callback_t *target_timer_callbacks = NULL;
 115
 116 const Jim_Nvp nvp_assert[] = {
 117         { .name = "assert", NVP_ASSERT },
 118         { .name = "deassert", NVP_DEASSERT },
 119         { .name = "T", NVP_ASSERT },
 120         { .name = "F", NVP_DEASSERT },
 121         { .name = "t", NVP_ASSERT },
 122         { .name = "f", NVP_DEASSERT },
 123         { .name = NULL, .value = -1 }
 124 };
 125
 126 const Jim_Nvp nvp_error_target[] = {
 127         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 128         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 129         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 130         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 131         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 132         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 133         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 134         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 135         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 136         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 137         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 138         { .value = -1, .name = NULL }
 139 };
 140
 141 const char *target_strerror_safe( int err )
 142 {
 143         const Jim_Nvp *n;
 144
 145         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 146         if( n->name == NULL ){
 147                 return "unknown";
 148         } else {
 149                 return n->name;
 150         }
 151 }
 152
 153 static const Jim_Nvp nvp_target_event[] = {
 154         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 155         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 156
 157         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 158         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 159         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 160         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 161         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 162
 163         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 164         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 165
 166         /* historical name */
 167
 168         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 169
 170         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 171         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 172         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 173         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 174         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 175         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 176         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 177         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 178         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 179         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 180
 181         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 182         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 183
 184         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 185         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 186
 187         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 188         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 189
 190         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 191         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 192
 193         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 194         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 195
 196         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 197         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 198         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 199
 200         { .name = NULL, .value = -1 }
 201 };
 202
 203 const Jim_Nvp nvp_target_state[] = {
 204         { .name = "unknown", .value = TARGET_UNKNOWN },
 205         { .name = "running", .value = TARGET_RUNNING },
 206         { .name = "halted",  .value = TARGET_HALTED },
 207         { .name = "reset",   .value = TARGET_RESET },
 208         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 209         { .name = NULL, .value = -1 },
 210 };
 211
 212 const Jim_Nvp nvp_target_debug_reason [] = {
 213         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 214         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 215         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 216         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 217         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 218         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 219         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 220         { .name = NULL, .value = -1 },
 221 };
 222
 223 const Jim_Nvp nvp_target_endian[] = {
 224         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 225         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 226         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 227         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 228         { .name = NULL,     .value = -1 },
 229 };
 230
 231 const Jim_Nvp nvp_reset_modes[] = {
 232         { .name = "unknown", .value = RESET_UNKNOWN },
 233         { .name = "run"    , .value = RESET_RUN },
 234         { .name = "halt"   , .value = RESET_HALT },
 235         { .name = "init"   , .value = RESET_INIT },
 236         { .name = NULL     , .value = -1 },
 237 };
 238
 239 static int max_target_number(void)
 240 {
 241         target_t *t;
 242         int x;
 243
 244         x = -1;
 245         t = all_targets;
 246         while( t ){
 247                 if( x < t->target_number ){
 248                         x = (t->target_number)+1;
 249                 }
 250                 t = t->next;
 251         }
 252         return x;
 253 }
 254
 255 /* determine the number of the new target */
 256 static int new_target_number(void)
 257 {
 258         target_t *t;
 259         int x;
 260
 261         /* number is 0 based */
 262         x = -1;
 263         t = all_targets;
 264         while(t){
 265                 if( x < t->target_number ){
 266                         x = t->target_number;
 267                 }
 268                 t = t->next;
 269         }
 270         return x+1;
 271 }
 272
 273 static int target_continous_poll = 1;
 274
 275 /* read a u32 from a buffer in target memory endianness */
 276 u32 target_buffer_get_u32(target_t *target, const u8 *buffer)
 277 {
 278         if (target->endianness == TARGET_LITTLE_ENDIAN)
 279                 return le_to_h_u32(buffer);
 280         else
 281                 return be_to_h_u32(buffer);
 282 }
 283
 284 /* read a u16 from a buffer in target memory endianness */
 285 u16 target_buffer_get_u16(target_t *target, const u8 *buffer)
 286 {
 287         if (target->endianness == TARGET_LITTLE_ENDIAN)
 288                 return le_to_h_u16(buffer);
 289         else
 290                 return be_to_h_u16(buffer);
 291 }
 292
 293 /* read a u8 from a buffer in target memory endianness */
 294 u8 target_buffer_get_u8(target_t *target, const u8 *buffer)
 295 {
 296         return *buffer & 0x0ff;
 297 }
 298
 299 /* write a u32 to a buffer in target memory endianness */
 300 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 301 {
 302         if (target->endianness == TARGET_LITTLE_ENDIAN)
 303                 h_u32_to_le(buffer, value);
 304         else
 305                 h_u32_to_be(buffer, value);
 306 }
 307
 308 /* write a u16 to a buffer in target memory endianness */
 309 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 310 {
 311         if (target->endianness == TARGET_LITTLE_ENDIAN)
 312                 h_u16_to_le(buffer, value);
 313         else
 314                 h_u16_to_be(buffer, value);
 315 }
 316
 317 /* write a u8 to a buffer in target memory endianness */
 318 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 319 {
 320         *buffer = value;
 321 }
 322
 323 /* return a pointer to a configured target; id is name or number */
 324 target_t *get_target(const char *id)
 325 {
 326         target_t *target;
 327         char *endptr;
 328         int num;
 329
 330         /* try as tcltarget name */
 331         for (target = all_targets; target; target = target->next) {
 332                 if (target->cmd_name == NULL)
 333                         continue;
 334                 if (strcmp(id, target->cmd_name) == 0)
 335                         return target;
 336         }
 337
 338         /* no match, try as number */
 339         num = strtoul(id, &endptr, 0);
 340         if (*endptr != 0)
 341                 return NULL;
 342
 343         for (target = all_targets; target; target = target->next) {
 344                 if (target->target_number == num)
 345                         return target;
 346         }
 347
 348         return NULL;
 349 }
 350
 351 /* returns a pointer to the n-th configured target */
 352 static target_t *get_target_by_num(int num)
 353 {
 354         target_t *target = all_targets;
 355
 356         while (target){
 357                 if( target->target_number == num ){
 358                         return target;
 359                 }
 360                 target = target->next;
 361         }
 362
 363         return NULL;
 364 }
 365
 366 int get_num_by_target(target_t *query_target)
 367 {
 368         return query_target->target_number;
 369 }
 370
 371 target_t* get_current_target(command_context_t *cmd_ctx)
 372 {
 373         target_t *target = get_target_by_num(cmd_ctx->current_target);
 374
 375         if (target == NULL)
 376         {
 377                 LOG_ERROR("BUG: current_target out of bounds");
 378                 exit(-1);
 379         }
 380
 381         return target;
 382 }
 383
 384 int target_poll(struct target_s *target)
 385 {
 386         /* We can't poll until after examine */
 387         if (!target->type->examined)
 388         {
 389                 /* Fail silently lest we pollute the log */
 390                 return ERROR_FAIL;
 391         }
 392         return target->type->poll(target);
 393 }
 394
 395 int target_halt(struct target_s *target)
 396 {
 397         /* We can't poll until after examine */
 398         if (!target->type->examined)
 399         {
 400                 LOG_ERROR("Target not examined yet");
 401                 return ERROR_FAIL;
 402         }
 403         return target->type->halt(target);
 404 }
 405
 406 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 407 {
 408         int retval;
 409
 410         /* We can't poll until after examine */
 411         if (!target->type->examined)
 412         {
 413                 LOG_ERROR("Target not examined yet");
 414                 return ERROR_FAIL;
 415         }
 416
 417         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 418          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 419          * the application.
 420          */
 421         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 422                 return retval;
 423
 424         return retval;
 425 }
 426
 427 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 428 {
 429         char buf[100];
 430         int retval;
 431         Jim_Nvp *n;
 432         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 433         if( n->name == NULL ){
 434                 LOG_ERROR("invalid reset mode");
 435                 return ERROR_FAIL;
 436         }
 437
 438         sprintf( buf, "ocd_process_reset %s", n->name );
 439         retval = Jim_Eval( interp, buf );
 440
 441         if(retval != JIM_OK) {
 442                 Jim_PrintErrorMessage(interp);
 443                 return ERROR_FAIL;
 444         }
 445
 446         /* We want any events to be processed before the prompt */
 447         retval = target_call_timer_callbacks_now();
 448
 449         return retval;
 450 }
 451
 452 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 453 {
 454         *physical = virtual;
 455         return ERROR_OK;
 456 }
 457
 458 static int default_mmu(struct target_s *target, int *enabled)
 459 {
 460         *enabled = 0;
 461         return ERROR_OK;
 462 }
 463
 464 static int default_examine(struct target_s *target)
 465 {
 466         target->type->examined = 1;
 467         return ERROR_OK;
 468 }
 469
 470 /* Targets that correctly implement init+examine, i.e.
 471  * no communication with target during init:
 472  *
 473  * XScale
 474  */
 475 int target_examine(void)
 476 {
 477         int retval = ERROR_OK;
 478         target_t *target = all_targets;
 479         while (target)
 480         {
 481                 if ((retval = target->type->examine(target))!=ERROR_OK)
 482                         return retval;
 483                 target = target->next;
 484         }
 485         return retval;
 486 }
 487
 488 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 489 {
 490         if (!target->type->examined)
 491         {
 492                 LOG_ERROR("Target not examined yet");
 493                 return ERROR_FAIL;
 494         }
 495         return target->type->write_memory_imp(target, address, size, count, buffer);
 496 }
 497
 498 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 499 {
 500         if (!target->type->examined)
 501         {
 502                 LOG_ERROR("Target not examined yet");
 503                 return ERROR_FAIL;
 504         }
 505         return target->type->read_memory_imp(target, address, size, count, buffer);
 506 }
 507
 508 static int target_soft_reset_halt_imp(struct target_s *target)
 509 {
 510         if (!target->type->examined)
 511         {
 512                 LOG_ERROR("Target not examined yet");
 513                 return ERROR_FAIL;
 514         }
 515         return target->type->soft_reset_halt_imp(target);
 516 }
 517
 518 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)
 519 {
 520         if (!target->type->examined)
 521         {
 522                 LOG_ERROR("Target not examined yet");
 523                 return ERROR_FAIL;
 524         }
 525         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);
 526 }
 527
 528 int target_read_memory(struct target_s *target,
 529                 u32 address, u32 size, u32 count, u8 *buffer)
 530 {
 531         return target->type->read_memory(target, address, size, count, buffer);
 532 }
 533
 534 int target_init(struct command_context_s *cmd_ctx)
 535 {
 536         target_t *target = all_targets;
 537         int retval;
 538
 539         while (target)
 540         {
 541                 target->type->examined = 0;
 542                 if (target->type->examine == NULL)
 543                 {
 544                         target->type->examine = default_examine;
 545                 }
 546
 547                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 548                 {
 549                         LOG_ERROR("target '%s' init failed", target->type->name);
 550                         return retval;
 551                 }
 552
 553                 /* Set up default functions if none are provided by target */
 554                 if (target->type->virt2phys == NULL)
 555                 {
 556                         target->type->virt2phys = default_virt2phys;
 557                 }
 558                 target->type->virt2phys = default_virt2phys;
 559                 /* a non-invasive way(in terms of patches) to add some code that
 560                  * runs before the type->write/read_memory implementation
 561                  */
 562                 target->type->write_memory_imp = target->type->write_memory;
 563                 target->type->write_memory = target_write_memory_imp;
 564                 target->type->read_memory_imp = target->type->read_memory;
 565                 target->type->read_memory = target_read_memory_imp;
 566                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 567                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 568                 target->type->run_algorithm_imp = target->type->run_algorithm;
 569                 target->type->run_algorithm = target_run_algorithm_imp;
 570
 571                 if (target->type->mmu == NULL)
 572                 {
 573                         target->type->mmu = default_mmu;
 574                 }
 575                 target = target->next;
 576         }
 577
 578         if (all_targets)
 579         {
 580                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 581                         return retval;
 582                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 583                         return retval;
 584         }
 585
 586         return ERROR_OK;
 587 }
 588
 589 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 590 {
 591         target_event_callback_t **callbacks_p = &target_event_callbacks;
 592
 593         if (callback == NULL)
 594         {
 595                 return ERROR_INVALID_ARGUMENTS;
 596         }
 597
 598         if (*callbacks_p)
 599         {
 600                 while ((*callbacks_p)->next)
 601                         callbacks_p = &((*callbacks_p)->next);
 602                 callbacks_p = &((*callbacks_p)->next);
 603         }
 604
 605         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 606         (*callbacks_p)->callback = callback;
 607         (*callbacks_p)->priv = priv;
 608         (*callbacks_p)->next = NULL;
 609
 610         return ERROR_OK;
 611 }
 612
 613 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 614 {
 615         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 616         struct timeval now;
 617
 618         if (callback == NULL)
 619         {
 620                 return ERROR_INVALID_ARGUMENTS;
 621         }
 622
 623         if (*callbacks_p)
 624         {
 625                 while ((*callbacks_p)->next)
 626                         callbacks_p = &((*callbacks_p)->next);
 627                 callbacks_p = &((*callbacks_p)->next);
 628         }
 629
 630         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 631         (*callbacks_p)->callback = callback;
 632         (*callbacks_p)->periodic = periodic;
 633         (*callbacks_p)->time_ms = time_ms;
 634
 635         gettimeofday(&now, NULL);
 636         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 637         time_ms -= (time_ms % 1000);
 638         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 639         if ((*callbacks_p)->when.tv_usec > 1000000)
 640         {
 641                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 642                 (*callbacks_p)->when.tv_sec += 1;
 643         }
 644
 645         (*callbacks_p)->priv = priv;
 646         (*callbacks_p)->next = NULL;
 647
 648         return ERROR_OK;
 649 }
 650
 651 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 652 {
 653         target_event_callback_t **p = &target_event_callbacks;
 654         target_event_callback_t *c = target_event_callbacks;
 655
 656         if (callback == NULL)
 657         {
 658                 return ERROR_INVALID_ARGUMENTS;
 659         }
 660
 661         while (c)
 662         {
 663                 target_event_callback_t *next = c->next;
 664                 if ((c->callback == callback) && (c->priv == priv))
 665                 {
 666                         *p = next;
 667                         free(c);
 668                         return ERROR_OK;
 669                 }
 670                 else
 671                         p = &(c->next);
 672                 c = next;
 673         }
 674
 675         return ERROR_OK;
 676 }
 677
 678 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 679 {
 680         target_timer_callback_t **p = &target_timer_callbacks;
 681         target_timer_callback_t *c = target_timer_callbacks;
 682
 683         if (callback == NULL)
 684         {
 685                 return ERROR_INVALID_ARGUMENTS;
 686         }
 687
 688         while (c)
 689         {
 690                 target_timer_callback_t *next = c->next;
 691                 if ((c->callback == callback) && (c->priv == priv))
 692                 {
 693                         *p = next;
 694                         free(c);
 695                         return ERROR_OK;
 696                 }
 697                 else
 698                         p = &(c->next);
 699                 c = next;
 700         }
 701
 702         return ERROR_OK;
 703 }
 704
 705 int target_call_event_callbacks(target_t *target, enum target_event event)
 706 {
 707         target_event_callback_t *callback = target_event_callbacks;
 708         target_event_callback_t *next_callback;
 709
 710         if (event == TARGET_EVENT_HALTED)
 711         {
 712                 /* execute early halted first */
 713                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 714         }
 715
 716         LOG_DEBUG("target event %i (%s)",
 717                           event,
 718                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 719
 720         target_handle_event( target, event );
 721
 722         while (callback)
 723         {
 724                 next_callback = callback->next;
 725                 callback->callback(target, event, callback->priv);
 726                 callback = next_callback;
 727         }
 728
 729         return ERROR_OK;
 730 }
 731
 732 static int target_call_timer_callbacks_check_time(int checktime)
 733 {
 734         target_timer_callback_t *callback = target_timer_callbacks;
 735         target_timer_callback_t *next_callback;
 736         struct timeval now;
 737
 738         keep_alive();
 739
 740         gettimeofday(&now, NULL);
 741
 742         while (callback)
 743         {
 744                 next_callback = callback->next;
 745
 746                 if ((!checktime&&callback->periodic)||
 747                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 748                                                 || (now.tv_sec > callback->when.tv_sec)))
 749                 {
 750                         if(callback->callback != NULL)
 751                         {
 752                                 callback->callback(callback->priv);
 753                                 if (callback->periodic)
 754                                 {
 755                                         int time_ms = callback->time_ms;
 756                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 757                                         time_ms -= (time_ms % 1000);
 758                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 759                                         if (callback->when.tv_usec > 1000000)
 760                                         {
 761                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 762                                                 callback->when.tv_sec += 1;
 763                                         }
 764                                 }
 765                                 else
 766                                 {
 767                                         int retval;
 768                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 769                                                 return retval;
 770                                 }
 771                         }
 772                 }
 773
 774                 callback = next_callback;
 775         }
 776
 777         return ERROR_OK;
 778 }
 779
 780 int target_call_timer_callbacks(void)
 781 {
 782         return target_call_timer_callbacks_check_time(1);
 783 }
 784
 785 /* invoke periodic callbacks immediately */
 786 int target_call_timer_callbacks_now(void)
 787 {
 788         return target_call_timer_callbacks_check_time(0);
 789 }
 790
 791 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 792 {
 793         working_area_t *c = target->working_areas;
 794         working_area_t *new_wa = NULL;
 795
 796         /* Reevaluate working area address based on MMU state*/
 797         if (target->working_areas == NULL)
 798         {
 799                 int retval;
 800                 int enabled;
 801                 retval = target->type->mmu(target, &enabled);
 802                 if (retval != ERROR_OK)
 803                 {
 804                         return retval;
 805                 }
 806                 if (enabled)
 807                 {
 808                         target->working_area = target->working_area_virt;
 809                 }
 810                 else
 811                 {
 812                         target->working_area = target->working_area_phys;
 813                 }
 814         }
 815
 816         /* only allocate multiples of 4 byte */
 817         if (size % 4)
 818         {
 819                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 820                 size = CEIL(size, 4);
 821         }
 822
 823         /* see if there's already a matching working area */
 824         while (c)
 825         {
 826                 if ((c->free) && (c->size == size))
 827                 {
 828                         new_wa = c;
 829                         break;
 830                 }
 831                 c = c->next;
 832         }
 833
 834         /* if not, allocate a new one */
 835         if (!new_wa)
 836         {
 837                 working_area_t **p = &target->working_areas;
 838                 u32 first_free = target->working_area;
 839                 u32 free_size = target->working_area_size;
 840
 841                 LOG_DEBUG("allocating new working area");
 842
 843                 c = target->working_areas;
 844                 while (c)
 845                 {
 846                         first_free += c->size;
 847                         free_size -= c->size;
 848                         p = &c->next;
 849                         c = c->next;
 850                 }
 851
 852                 if (free_size < size)
 853                 {
 854                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 855                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 856                 }
 857
 858                 new_wa = malloc(sizeof(working_area_t));
 859                 new_wa->next = NULL;
 860                 new_wa->size = size;
 861                 new_wa->address = first_free;
 862
 863                 if (target->backup_working_area)
 864                 {
 865                         int retval;
 866                         new_wa->backup = malloc(new_wa->size);
 867                         if((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 868                         {
 869                                 free(new_wa->backup);
 870                                 free(new_wa);
 871                                 return retval;
 872                         }
 873                 }
 874                 else
 875                 {
 876                         new_wa->backup = NULL;
 877                 }
 878
 879                 /* put new entry in list */
 880                 *p = new_wa;
 881         }
 882
 883         /* mark as used, and return the new (reused) area */
 884         new_wa->free = 0;
 885         *area = new_wa;
 886
 887         /* user pointer */
 888         new_wa->user = area;
 889
 890         return ERROR_OK;
 891 }
 892
 893 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 894 {
 895         if (area->free)
 896                 return ERROR_OK;
 897
 898         if (restore&&target->backup_working_area)
 899         {
 900                 int retval;
 901                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 902                         return retval;
 903         }
 904
 905         area->free = 1;
 906
 907         /* mark user pointer invalid */
 908         *area->user = NULL;
 909         area->user = NULL;
 910
 911         return ERROR_OK;
 912 }
 913
 914 int target_free_working_area(struct target_s *target, working_area_t *area)
 915 {
 916         return target_free_working_area_restore(target, area, 1);
 917 }
 918
 919 /* free resources and restore memory, if restoring memory fails,
 920  * free up resources anyway
 921  */
 922 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 923 {
 924         working_area_t *c = target->working_areas;
 925
 926         while (c)
 927         {
 928                 working_area_t *next = c->next;
 929                 target_free_working_area_restore(target, c, restore);
 930
 931                 if (c->backup)
 932                         free(c->backup);
 933
 934                 free(c);
 935
 936                 c = next;
 937         }
 938
 939         target->working_areas = NULL;
 940 }
 941
 942 void target_free_all_working_areas(struct target_s *target)
 943 {
 944         target_free_all_working_areas_restore(target, 1);
 945 }
 946
 947 int target_register_commands(struct command_context_s *cmd_ctx)
 948 {
 949
 950         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)");
 951
 952
 953
 954
 955         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 956
 957         return ERROR_OK;
 958 }
 959
 960 int target_arch_state(struct target_s *target)
 961 {
 962         int retval;
 963         if (target==NULL)
 964         {
 965                 LOG_USER("No target has been configured");
 966                 return ERROR_OK;
 967         }
 968
 969         LOG_USER("target state: %s",
 970                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 971
 972         if (target->state!=TARGET_HALTED)
 973                 return ERROR_OK;
 974
 975         retval=target->type->arch_state(target);
 976         return retval;
 977 }
 978
 979 /* Single aligned words are guaranteed to use 16 or 32 bit access
 980  * mode respectively, otherwise data is handled as quickly as
 981  * possible
 982  */
 983 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 984 {
 985         int retval;
 986         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 987
 988         if (!target->type->examined)
 989         {
 990                 LOG_ERROR("Target not examined yet");
 991                 return ERROR_FAIL;
 992         }
 993
 994         if (size == 0) {
 995                 return ERROR_OK;
 996         }
 997
 998         if ((address + size - 1) < address)
 999         {
1000                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1001                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1002                 return ERROR_FAIL;
1003         }
1004
1005         if (((address % 2) == 0) && (size == 2))
1006         {
1007                 return target->type->write_memory(target, address, 2, 1, buffer);
1008         }
1009
1010         /* handle unaligned head bytes */
1011         if (address % 4)
1012         {
1013                 u32 unaligned = 4 - (address % 4);
1014
1015                 if (unaligned > size)
1016                         unaligned = size;
1017
1018                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1019                         return retval;
1020
1021                 buffer += unaligned;
1022                 address += unaligned;
1023                 size -= unaligned;
1024         }
1025
1026         /* handle aligned words */
1027         if (size >= 4)
1028         {
1029                 int aligned = size - (size % 4);
1030
1031                 /* use bulk writes above a certain limit. This may have to be changed */
1032                 if (aligned > 128)
1033                 {
1034                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1035                                 return retval;
1036                 }
1037                 else
1038                 {
1039                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1040                                 return retval;
1041                 }
1042
1043                 buffer += aligned;
1044                 address += aligned;
1045                 size -= aligned;
1046         }
1047
1048         /* handle tail writes of less than 4 bytes */
1049         if (size > 0)
1050         {
1051                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1052                         return retval;
1053         }
1054
1055         return ERROR_OK;
1056 }
1057
1058 /* Single aligned words are guaranteed to use 16 or 32 bit access
1059  * mode respectively, otherwise data is handled as quickly as
1060  * possible
1061  */
1062 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1063 {
1064         int retval;
1065         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1066
1067         if (!target->type->examined)
1068         {
1069                 LOG_ERROR("Target not examined yet");
1070                 return ERROR_FAIL;
1071         }
1072
1073         if (size == 0) {
1074                 return ERROR_OK;
1075         }
1076
1077         if ((address + size - 1) < address)
1078         {
1079                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1080                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1081                 return ERROR_FAIL;
1082         }
1083
1084         if (((address % 2) == 0) && (size == 2))
1085         {
1086                 return target_read_memory(target, address, 2, 1, buffer);
1087         }
1088
1089         /* handle unaligned head bytes */
1090         if (address % 4)
1091         {
1092                 u32 unaligned = 4 - (address % 4);
1093
1094                 if (unaligned > size)
1095                         unaligned = size;
1096
1097                 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1098                         return retval;
1099
1100                 buffer += unaligned;
1101                 address += unaligned;
1102                 size -= unaligned;
1103         }
1104
1105         /* handle aligned words */
1106         if (size >= 4)
1107         {
1108                 int aligned = size - (size % 4);
1109
1110                 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1111                         return retval;
1112
1113                 buffer += aligned;
1114                 address += aligned;
1115                 size -= aligned;
1116         }
1117
1118         /* handle tail writes of less than 4 bytes */
1119         if (size > 0)
1120         {
1121                 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1122                         return retval;
1123         }
1124
1125         return ERROR_OK;
1126 }
1127
1128 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1129 {
1130         u8 *buffer;
1131         int retval;
1132         u32 i;
1133         u32 checksum = 0;
1134         if (!target->type->examined)
1135         {
1136                 LOG_ERROR("Target not examined yet");
1137                 return ERROR_FAIL;
1138         }
1139
1140         if ((retval = target->type->checksum_memory(target, address,
1141                 size, &checksum)) != ERROR_OK)
1142         {
1143                 buffer = malloc(size);
1144                 if (buffer == NULL)
1145                 {
1146                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1147                         return ERROR_INVALID_ARGUMENTS;
1148                 }
1149                 retval = target_read_buffer(target, address, size, buffer);
1150                 if (retval != ERROR_OK)
1151                 {
1152                         free(buffer);
1153                         return retval;
1154                 }
1155
1156                 /* convert to target endianess */
1157                 for (i = 0; i < (size/sizeof(u32)); i++)
1158                 {
1159                         u32 target_data;
1160                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1161                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1162                 }
1163
1164                 retval = image_calculate_checksum( buffer, size, &checksum );
1165                 free(buffer);
1166         }
1167
1168         *crc = checksum;
1169
1170         return retval;
1171 }
1172
1173 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1174 {
1175         int retval;
1176         if (!target->type->examined)
1177         {
1178                 LOG_ERROR("Target not examined yet");
1179                 return ERROR_FAIL;
1180         }
1181
1182         if (target->type->blank_check_memory == 0)
1183                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1184
1185         retval = target->type->blank_check_memory(target, address, size, blank);
1186
1187         return retval;
1188 }
1189
1190 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1191 {
1192         u8 value_buf[4];
1193         if (!target->type->examined)
1194         {
1195                 LOG_ERROR("Target not examined yet");
1196                 return ERROR_FAIL;
1197         }
1198
1199         int retval = target_read_memory(target, address, 4, 1, value_buf);
1200
1201         if (retval == ERROR_OK)
1202         {
1203                 *value = target_buffer_get_u32(target, value_buf);
1204                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1205         }
1206         else
1207         {
1208                 *value = 0x0;
1209                 LOG_DEBUG("address: 0x%8.8x failed", address);
1210         }
1211
1212         return retval;
1213 }
1214
1215 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1216 {
1217         u8 value_buf[2];
1218         if (!target->type->examined)
1219         {
1220                 LOG_ERROR("Target not examined yet");
1221                 return ERROR_FAIL;
1222         }
1223
1224         int retval = target_read_memory(target, address, 2, 1, value_buf);
1225
1226         if (retval == ERROR_OK)
1227         {
1228                 *value = target_buffer_get_u16(target, value_buf);
1229                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1230         }
1231         else
1232         {
1233                 *value = 0x0;
1234                 LOG_DEBUG("address: 0x%8.8x failed", address);
1235         }
1236
1237         return retval;
1238 }
1239
1240 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1241 {
1242         int retval = target_read_memory(target, address, 1, 1, value);
1243         if (!target->type->examined)
1244         {
1245                 LOG_ERROR("Target not examined yet");
1246                 return ERROR_FAIL;
1247         }
1248
1249         if (retval == ERROR_OK)
1250         {
1251                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1252         }
1253         else
1254         {
1255                 *value = 0x0;
1256                 LOG_DEBUG("address: 0x%8.8x failed", address);
1257         }
1258
1259         return retval;
1260 }
1261
1262 int target_write_u32(struct target_s *target, u32 address, u32 value)
1263 {
1264         int retval;
1265         u8 value_buf[4];
1266         if (!target->type->examined)
1267         {
1268                 LOG_ERROR("Target not examined yet");
1269                 return ERROR_FAIL;
1270         }
1271
1272         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1273
1274         target_buffer_set_u32(target, value_buf, value);
1275         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1276         {
1277                 LOG_DEBUG("failed: %i", retval);
1278         }
1279
1280         return retval;
1281 }
1282
1283 int target_write_u16(struct target_s *target, u32 address, u16 value)
1284 {
1285         int retval;
1286         u8 value_buf[2];
1287         if (!target->type->examined)
1288         {
1289                 LOG_ERROR("Target not examined yet");
1290                 return ERROR_FAIL;
1291         }
1292
1293         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1294
1295         target_buffer_set_u16(target, value_buf, value);
1296         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1297         {
1298                 LOG_DEBUG("failed: %i", retval);
1299         }
1300
1301         return retval;
1302 }
1303
1304 int target_write_u8(struct target_s *target, u32 address, u8 value)
1305 {
1306         int retval;
1307         if (!target->type->examined)
1308         {
1309                 LOG_ERROR("Target not examined yet");
1310                 return ERROR_FAIL;
1311         }
1312
1313         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1314
1315         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1316         {
1317                 LOG_DEBUG("failed: %i", retval);
1318         }
1319
1320         return retval;
1321 }
1322
1323 int target_register_user_commands(struct command_context_s *cmd_ctx)
1324 {
1325         int retval = ERROR_OK;
1326
1327
1328         /* script procedures */
1329         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1330         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing <ARRAYNAME> <WIDTH=32/16/8> <ADDRESS> <COUNT>");
1331         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values  <ARRAYNAME> <WIDTH=32/16/8> <ADDRESS> <COUNT>");
1332
1333         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1334                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1335
1336         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1337                         "loads active fast load image to current target - mainly for profiling purposes");
1338
1339
1340         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1341         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1342         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1343         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1344         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1345         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1346         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1347         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1348         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1349
1350         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1351         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1352         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1353
1354         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1355         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1356         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1357
1358         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1359         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1360         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1361         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1362
1363         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]");
1364         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1365         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1366         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1367
1368         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1369                 return retval;
1370         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1371                 return retval;
1372
1373         return retval;
1374 }
1375
1376 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1377 {
1378         target_t *target = all_targets;
1379
1380         if (argc == 1)
1381         {
1382                 target = get_target(args[0]);
1383                 if (target == NULL) {
1384                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1385                         goto DumpTargets;
1386                 }
1387
1388                 cmd_ctx->current_target = target->target_number;
1389                 return ERROR_OK;
1390         }
1391 DumpTargets:
1392
1393         target = all_targets;
1394         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1395         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1396         while (target)
1397         {
1398                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1399                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1400                                           target->target_number,
1401                                           target->cmd_name,
1402                                           target->type->name,
1403                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1404                                           target->tap->abs_chain_position,
1405                                           target->tap->dotted_name,
1406                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1407                 target = target->next;
1408         }
1409
1410         return ERROR_OK;
1411 }
1412
1413 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1414
1415 static int powerDropout;
1416 static int srstAsserted;
1417
1418 static int runPowerRestore;
1419 static int runPowerDropout;
1420 static int runSrstAsserted;
1421 static int runSrstDeasserted;
1422
1423 static int sense_handler(void)
1424 {
1425         static int prevSrstAsserted = 0;
1426         static int prevPowerdropout = 0;
1427
1428         int retval;
1429         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1430                 return retval;
1431
1432         int powerRestored;
1433         powerRestored = prevPowerdropout && !powerDropout;
1434         if (powerRestored)
1435         {
1436                 runPowerRestore = 1;
1437         }
1438
1439         long long current = timeval_ms();
1440         static long long lastPower = 0;
1441         int waitMore = lastPower + 2000 > current;
1442         if (powerDropout && !waitMore)
1443         {
1444                 runPowerDropout = 1;
1445                 lastPower = current;
1446         }
1447
1448         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1449                 return retval;
1450
1451         int srstDeasserted;
1452         srstDeasserted = prevSrstAsserted && !srstAsserted;
1453
1454         static long long lastSrst = 0;
1455         waitMore = lastSrst + 2000 > current;
1456         if (srstDeasserted && !waitMore)
1457         {
1458                 runSrstDeasserted = 1;
1459                 lastSrst = current;
1460         }
1461
1462         if (!prevSrstAsserted && srstAsserted)
1463         {
1464                 runSrstAsserted = 1;
1465         }
1466
1467         prevSrstAsserted = srstAsserted;
1468         prevPowerdropout = powerDropout;
1469
1470         if (srstDeasserted || powerRestored)
1471         {
1472                 /* Other than logging the event we can't do anything here.
1473                  * Issuing a reset is a particularly bad idea as we might
1474                  * be inside a reset already.
1475                  */
1476         }
1477
1478         return ERROR_OK;
1479 }
1480
1481 /* process target state changes */
1482 int handle_target(void *priv)
1483 {
1484         int retval = ERROR_OK;
1485
1486         /* we do not want to recurse here... */
1487         static int recursive = 0;
1488         if (! recursive)
1489         {
1490                 recursive = 1;
1491                 sense_handler();
1492                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1493                  * We need to avoid an infinite loop/recursion here and we do that by
1494                  * clearing the flags after running these events.
1495                  */
1496                 int did_something = 0;
1497                 if (runSrstAsserted)
1498                 {
1499                         Jim_Eval( interp, "srst_asserted");
1500                         did_something = 1;
1501                 }
1502                 if (runSrstDeasserted)
1503                 {
1504                         Jim_Eval( interp, "srst_deasserted");
1505                         did_something = 1;
1506                 }
1507                 if (runPowerDropout)
1508                 {
1509                         Jim_Eval( interp, "power_dropout");
1510                         did_something = 1;
1511                 }
1512                 if (runPowerRestore)
1513                 {
1514                         Jim_Eval( interp, "power_restore");
1515                         did_something = 1;
1516                 }
1517
1518                 if (did_something)
1519                 {
1520                         /* clear detect flags */
1521                         sense_handler();
1522                 }
1523
1524                 /* clear action flags */
1525
1526                 runSrstAsserted=0;
1527                 runSrstDeasserted=0;
1528                 runPowerRestore=0;
1529                 runPowerDropout=0;
1530
1531                 recursive = 0;
1532         }
1533
1534         target_t *target = all_targets;
1535
1536         while (target)
1537         {
1538
1539                 /* only poll target if we've got power and srst isn't asserted */
1540                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1541                 {
1542                         /* polling may fail silently until the target has been examined */
1543                         if((retval = target_poll(target)) != ERROR_OK)
1544                                 return retval;
1545                 }
1546
1547                 target = target->next;
1548         }
1549
1550         return retval;
1551 }
1552
1553 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1554 {
1555         target_t *target;
1556         reg_t *reg = NULL;
1557         int count = 0;
1558         char *value;
1559
1560         LOG_DEBUG("-");
1561
1562         target = get_current_target(cmd_ctx);
1563
1564         /* list all available registers for the current target */
1565         if (argc == 0)
1566         {
1567                 reg_cache_t *cache = target->reg_cache;
1568
1569                 count = 0;
1570                 while(cache)
1571                 {
1572                         int i;
1573                         for (i = 0; i < cache->num_regs; i++)
1574                         {
1575                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1576                                 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);
1577                                 free(value);
1578                         }
1579                         cache = cache->next;
1580                 }
1581
1582                 return ERROR_OK;
1583         }
1584
1585         /* access a single register by its ordinal number */
1586         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1587         {
1588                 int num = strtoul(args[0], NULL, 0);
1589                 reg_cache_t *cache = target->reg_cache;
1590
1591                 count = 0;
1592                 while(cache)
1593                 {
1594                         int i;
1595                         for (i = 0; i < cache->num_regs; i++)
1596                         {
1597                                 if (count++ == num)
1598                                 {
1599                                         reg = &cache->reg_list[i];
1600                                         break;
1601                                 }
1602                         }
1603                         if (reg)
1604                                 break;
1605                         cache = cache->next;
1606                 }
1607
1608                 if (!reg)
1609                 {
1610                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1611                         return ERROR_OK;
1612                 }
1613         } else /* access a single register by its name */
1614         {
1615                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1616
1617                 if (!reg)
1618                 {
1619                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1620                         return ERROR_OK;
1621                 }
1622         }
1623
1624         /* display a register */
1625         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1626         {
1627                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1628                         reg->valid = 0;
1629
1630                 if (reg->valid == 0)
1631                 {
1632                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1633                         arch_type->get(reg);
1634                 }
1635                 value = buf_to_str(reg->value, reg->size, 16);
1636                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1637                 free(value);
1638                 return ERROR_OK;
1639         }
1640
1641         /* set register value */
1642         if (argc == 2)
1643         {
1644                 u8 *buf = malloc(CEIL(reg->size, 8));
1645                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1646
1647                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1648                 arch_type->set(reg, buf);
1649
1650                 value = buf_to_str(reg->value, reg->size, 16);
1651                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1652                 free(value);
1653
1654                 free(buf);
1655
1656                 return ERROR_OK;
1657         }
1658
1659         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1660
1661         return ERROR_OK;
1662 }
1663
1664 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1665 {
1666         int retval = ERROR_OK;
1667         target_t *target = get_current_target(cmd_ctx);
1668
1669         if (argc == 0)
1670         {
1671                 if((retval = target_poll(target)) != ERROR_OK)
1672                         return retval;
1673                 if((retval = target_arch_state(target)) != ERROR_OK)
1674                         return retval;
1675
1676         }
1677         else if (argc==1)
1678         {
1679                 if (strcmp(args[0], "on") == 0)
1680                 {
1681                         target_continous_poll = 1;
1682                 }
1683                 else if (strcmp(args[0], "off") == 0)
1684                 {
1685                         target_continous_poll = 0;
1686                 }
1687                 else
1688                 {
1689                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1690                 }
1691         } else
1692         {
1693                 return ERROR_COMMAND_SYNTAX_ERROR;
1694         }
1695
1696         return retval;
1697 }
1698
1699 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1700 {
1701         int ms = 5000;
1702
1703         if (argc > 0)
1704         {
1705                 char *end;
1706
1707                 ms = strtoul(args[0], &end, 0) * 1000;
1708                 if (*end)
1709                 {
1710                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1711                         return ERROR_OK;
1712                 }
1713         }
1714         target_t *target = get_current_target(cmd_ctx);
1715
1716         return target_wait_state(target, TARGET_HALTED, ms);
1717 }
1718
1719 /* wait for target state to change. The trick here is to have a low
1720  * latency for short waits and not to suck up all the CPU time
1721  * on longer waits.
1722  *
1723  * After 500ms, keep_alive() is invoked
1724  */
1725 int target_wait_state(target_t *target, enum target_state state, int ms)
1726 {
1727         int retval;
1728         long long then=0, cur;
1729         int once=1;
1730
1731         for (;;)
1732         {
1733                 if ((retval=target_poll(target))!=ERROR_OK)
1734                         return retval;
1735                 if (target->state == state)
1736                 {
1737                         break;
1738                 }
1739                 cur = timeval_ms();
1740                 if (once)
1741                 {
1742                         once=0;
1743                         then = timeval_ms();
1744                         LOG_DEBUG("waiting for target %s...",
1745                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1746                 }
1747
1748                 if (cur-then>500)
1749                 {
1750                         keep_alive();
1751                 }
1752
1753                 if ((cur-then)>ms)
1754                 {
1755                         LOG_ERROR("timed out while waiting for target %s",
1756                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1757                         return ERROR_FAIL;
1758                 }
1759         }
1760
1761         return ERROR_OK;
1762 }
1763
1764 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1765 {
1766         int retval;
1767         target_t *target = get_current_target(cmd_ctx);
1768
1769         LOG_DEBUG("-");
1770
1771         if ((retval = target_halt(target)) != ERROR_OK)
1772         {
1773                 return retval;
1774         }
1775
1776         if (argc == 1)
1777         {
1778                 int wait;
1779                 char *end;
1780
1781                 wait = strtoul(args[0], &end, 0);
1782                 if (!*end && !wait)
1783                         return ERROR_OK;
1784         }
1785
1786         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1787 }
1788
1789 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1790 {
1791         target_t *target = get_current_target(cmd_ctx);
1792
1793         LOG_USER("requesting target halt and executing a soft reset");
1794
1795         target->type->soft_reset_halt(target);
1796
1797         return ERROR_OK;
1798 }
1799
1800 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1801 {
1802         const Jim_Nvp *n;
1803         enum target_reset_mode reset_mode = RESET_RUN;
1804
1805         if (argc >= 1)
1806         {
1807                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1808                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1809                         return ERROR_COMMAND_SYNTAX_ERROR;
1810                 }
1811                 reset_mode = n->value;
1812         }
1813
1814         /* reset *all* targets */
1815         return target_process_reset(cmd_ctx, reset_mode);
1816 }
1817
1818
1819 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1820 {
1821         int retval;
1822         target_t *target = get_current_target(cmd_ctx);
1823
1824         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1825
1826         if (argc == 0)
1827                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1828         else if (argc == 1)
1829                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1830         else
1831         {
1832                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1833         }
1834
1835         return retval;
1836 }
1837
1838 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1839 {
1840         target_t *target = get_current_target(cmd_ctx);
1841
1842         LOG_DEBUG("-");
1843
1844         if (argc == 0)
1845                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1846
1847         if (argc == 1)
1848                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1849
1850         return ERROR_OK;
1851 }
1852
1853 static void handle_md_output(struct command_context_s *cmd_ctx,
1854                 struct target_s *target, u32 address, unsigned size,
1855                 unsigned count, const u8 *buffer)
1856 {
1857         const unsigned line_bytecnt = 32;
1858         unsigned line_modulo = line_bytecnt / size;
1859
1860         char output[line_bytecnt * 4 + 1];
1861         unsigned output_len = 0;
1862
1863         const char *value_fmt;
1864         switch (size) {
1865         case 4: value_fmt = "%8.8x"; break;
1866         case 2: value_fmt = "%4.2x"; break;
1867         case 1: value_fmt = "%2.2x"; break;
1868         default:
1869                 LOG_ERROR("invalid memory read size: %u", size);
1870                 exit(-1);
1871         }
1872
1873         for (unsigned i = 0; i < count; i++)
1874         {
1875                 if (i % line_modulo == 0)
1876                 {
1877                         output_len += snprintf(output + output_len,
1878                                         sizeof(output) - output_len,
1879                                         "0x%8.8x: ", address + (i*size));
1880                 }
1881
1882                 u32 value;
1883                 const u8 *value_ptr = buffer + i * size;
1884                 switch (size) {
1885                 case 4: value = target_buffer_get_u32(target, value_ptr); break;
1886                 case 2: value = target_buffer_get_u16(target, value_ptr); break;
1887                 case 1: value = *value_ptr;
1888                 }
1889                 output_len += snprintf(output + output_len,
1890                                 sizeof(output) - output_len,
1891                                 value_fmt, value);
1892
1893                 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
1894                 {
1895                         command_print(cmd_ctx, "%s", output);
1896                         output_len = 0;
1897                 }
1898         }
1899 }
1900
1901 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1902 {
1903         if (argc < 1)
1904                 return ERROR_COMMAND_SYNTAX_ERROR;
1905
1906         unsigned size = 0;
1907         switch (cmd[2]) {
1908         case 'w': size = 4; break;
1909         case 'h': size = 2; break;
1910         case 'b': size = 1; break;
1911         default: return ERROR_COMMAND_SYNTAX_ERROR;
1912         }
1913
1914         u32 address = strtoul(args[0], NULL, 0);
1915
1916         unsigned count = 1;
1917         if (argc == 2)
1918                 count = strtoul(args[1], NULL, 0);
1919
1920         u8 *buffer = calloc(count, size);
1921
1922         target_t *target = get_current_target(cmd_ctx);
1923         int retval = target_read_memory(target,
1924                                 address, size, count, buffer);
1925         if (ERROR_OK == retval)
1926                 handle_md_output(cmd_ctx, target, address, size, count, buffer);
1927
1928         free(buffer);
1929
1930         return retval;
1931 }
1932
1933 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1934 {
1935         u32 address = 0;
1936         u32 value = 0;
1937         int count = 1;
1938         int i;
1939         int wordsize;
1940         target_t *target = get_current_target(cmd_ctx);
1941         u8 value_buf[4];
1942
1943          if ((argc < 2) || (argc > 3))
1944                 return ERROR_COMMAND_SYNTAX_ERROR;
1945
1946         address = strtoul(args[0], NULL, 0);
1947         value = strtoul(args[1], NULL, 0);
1948         if (argc == 3)
1949                 count = strtoul(args[2], NULL, 0);
1950
1951         switch (cmd[2])
1952         {
1953                 case 'w':
1954                         wordsize = 4;
1955                         target_buffer_set_u32(target, value_buf, value);
1956                         break;
1957                 case 'h':
1958                         wordsize = 2;
1959                         target_buffer_set_u16(target, value_buf, value);
1960                         break;
1961                 case 'b':
1962                         wordsize = 1;
1963                         value_buf[0] = value;
1964                         break;
1965                 default:
1966                         return ERROR_COMMAND_SYNTAX_ERROR;
1967         }
1968         for (i=0; i<count; i++)
1969         {
1970                 int retval = target->type->write_memory(target,
1971                                 address + i * wordsize, wordsize, 1, value_buf);
1972                 if (ERROR_OK != retval)
1973                         return retval;
1974                 keep_alive();
1975         }
1976
1977         return ERROR_OK;
1978
1979 }
1980
1981 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1982 {
1983         u8 *buffer;
1984         u32 buf_cnt;
1985         u32 image_size;
1986         u32 min_address=0;
1987         u32 max_address=0xffffffff;
1988         int i;
1989         int retval, retvaltemp;
1990
1991         image_t image;
1992
1993         duration_t duration;
1994         char *duration_text;
1995
1996         target_t *target = get_current_target(cmd_ctx);
1997
1998         if ((argc < 1)||(argc > 5))
1999         {
2000                 return ERROR_COMMAND_SYNTAX_ERROR;
2001         }
2002
2003         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2004         if (argc >= 2)
2005         {
2006                 image.base_address_set = 1;
2007                 image.base_address = strtoul(args[1], NULL, 0);
2008         }
2009         else
2010         {
2011                 image.base_address_set = 0;
2012         }
2013
2014
2015         image.start_address_set = 0;
2016
2017         if (argc>=4)
2018         {
2019                 min_address=strtoul(args[3], NULL, 0);
2020         }
2021         if (argc>=5)
2022         {
2023                 max_address=strtoul(args[4], NULL, 0)+min_address;
2024         }
2025
2026         if (min_address>max_address)
2027         {
2028                 return ERROR_COMMAND_SYNTAX_ERROR;
2029         }
2030
2031         duration_start_measure(&duration);
2032
2033         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2034         {
2035                 return ERROR_OK;
2036         }
2037
2038         image_size = 0x0;
2039         retval = ERROR_OK;
2040         for (i = 0; i < image.num_sections; i++)
2041         {
2042                 buffer = malloc(image.sections[i].size);
2043                 if (buffer == NULL)
2044                 {
2045                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2046                         break;
2047                 }
2048
2049                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2050                 {
2051                         free(buffer);
2052                         break;
2053                 }
2054
2055                 u32 offset=0;
2056                 u32 length=buf_cnt;
2057
2058                 /* DANGER!!! beware of unsigned comparision here!!! */
2059
2060                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2061                                 (image.sections[i].base_address<max_address))
2062                 {
2063                         if (image.sections[i].base_address<min_address)
2064                         {
2065                                 /* clip addresses below */
2066                                 offset+=min_address-image.sections[i].base_address;
2067                                 length-=offset;
2068                         }
2069
2070                         if (image.sections[i].base_address+buf_cnt>max_address)
2071                         {
2072                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2073                         }
2074
2075                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2076                         {
2077                                 free(buffer);
2078                                 break;
2079                         }
2080                         image_size += length;
2081                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2082                 }
2083
2084                 free(buffer);
2085         }
2086
2087         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2088         {
2089                 image_close(&image);
2090                 return retvaltemp;
2091         }
2092
2093         if (retval==ERROR_OK)
2094         {
2095                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2096         }
2097         free(duration_text);
2098
2099         image_close(&image);
2100
2101         return retval;
2102
2103 }
2104
2105 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2106 {
2107         fileio_t fileio;
2108
2109         u32 address;
2110         u32 size;
2111         u8 buffer[560];
2112         int retval=ERROR_OK, retvaltemp;
2113
2114         duration_t duration;
2115         char *duration_text;
2116
2117         target_t *target = get_current_target(cmd_ctx);
2118
2119         if (argc != 3)
2120         {
2121                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2122                 return ERROR_OK;
2123         }
2124
2125         address = strtoul(args[1], NULL, 0);
2126         size = strtoul(args[2], NULL, 0);
2127
2128         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2129         {
2130                 return ERROR_OK;
2131         }
2132
2133         duration_start_measure(&duration);
2134
2135         while (size > 0)
2136         {
2137                 u32 size_written;
2138                 u32 this_run_size = (size > 560) ? 560 : size;
2139
2140                 retval = target_read_buffer(target, address, this_run_size, buffer);
2141                 if (retval != ERROR_OK)
2142                 {
2143                         break;
2144                 }
2145
2146                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2147                 if (retval != ERROR_OK)
2148                 {
2149                         break;
2150                 }
2151
2152                 size -= this_run_size;
2153                 address += this_run_size;
2154         }
2155
2156         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2157                 return retvaltemp;
2158
2159         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2160                 return retvaltemp;
2161
2162         if (retval==ERROR_OK)
2163         {
2164                 command_print(cmd_ctx, "dumped %lld byte in %s",
2165                                 fileio.size, duration_text);
2166                 free(duration_text);
2167         }
2168
2169         return retval;
2170 }
2171
2172 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2173 {
2174         u8 *buffer;
2175         u32 buf_cnt;
2176         u32 image_size;
2177         int i;
2178         int retval, retvaltemp;
2179         u32 checksum = 0;
2180         u32 mem_checksum = 0;
2181
2182         image_t image;
2183
2184         duration_t duration;
2185         char *duration_text;
2186
2187         target_t *target = get_current_target(cmd_ctx);
2188
2189         if (argc < 1)
2190         {
2191                 return ERROR_COMMAND_SYNTAX_ERROR;
2192         }
2193
2194         if (!target)
2195         {
2196                 LOG_ERROR("no target selected");
2197                 return ERROR_FAIL;
2198         }
2199
2200         duration_start_measure(&duration);
2201
2202         if (argc >= 2)
2203         {
2204                 image.base_address_set = 1;
2205                 image.base_address = strtoul(args[1], NULL, 0);
2206         }
2207         else
2208         {
2209                 image.base_address_set = 0;
2210                 image.base_address = 0x0;
2211         }
2212
2213         image.start_address_set = 0;
2214
2215         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2216         {
2217                 return retval;
2218         }
2219
2220         image_size = 0x0;
2221         retval=ERROR_OK;
2222         for (i = 0; i < image.num_sections; i++)
2223         {
2224                 buffer = malloc(image.sections[i].size);
2225                 if (buffer == NULL)
2226                 {
2227                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2228                         break;
2229                 }
2230                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2231                 {
2232                         free(buffer);
2233                         break;
2234                 }
2235
2236                 if (verify)
2237                 {
2238                         /* calculate checksum of image */
2239                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2240
2241                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2242                         if( retval != ERROR_OK )
2243                         {
2244                                 free(buffer);
2245                                 break;
2246                         }
2247
2248                         if( checksum != mem_checksum )
2249                         {
2250                                 /* failed crc checksum, fall back to a binary compare */
2251                                 u8 *data;
2252
2253                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2254
2255                                 data = (u8*)malloc(buf_cnt);
2256
2257                                 /* Can we use 32bit word accesses? */
2258                                 int size = 1;
2259                                 int count = buf_cnt;
2260                                 if ((count % 4) == 0)
2261                                 {
2262                                         size *= 4;
2263                                         count /= 4;
2264                                 }
2265                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2266                                 if (retval == ERROR_OK)
2267                                 {
2268                                         u32 t;
2269                                         for (t = 0; t < buf_cnt; t++)
2270                                         {
2271                                                 if (data[t] != buffer[t])
2272                                                 {
2273                                                         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]);
2274                                                         free(data);
2275                                                         free(buffer);
2276                                                         retval=ERROR_FAIL;
2277                                                         goto done;
2278                                                 }
2279                                                 if ((t%16384)==0)
2280                                                 {
2281                                                         keep_alive();
2282                                                 }
2283                                         }
2284                                 }
2285
2286                                 free(data);
2287                         }
2288                 } else
2289                 {
2290                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2291                 }
2292
2293                 free(buffer);
2294                 image_size += buf_cnt;
2295         }
2296 done:
2297
2298         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2299         {
2300                 image_close(&image);
2301                 return retvaltemp;
2302         }
2303
2304         if (retval==ERROR_OK)
2305         {
2306                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2307         }
2308         free(duration_text);
2309
2310         image_close(&image);
2311
2312         return retval;
2313 }
2314
2315 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2316 {
2317         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2318 }
2319
2320 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2321 {
2322         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2323 }
2324
2325 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2326 {
2327         int retval;
2328         target_t *target = get_current_target(cmd_ctx);
2329
2330         if (argc == 0)
2331         {
2332                 breakpoint_t *breakpoint = target->breakpoints;
2333
2334                 while (breakpoint)
2335                 {
2336                         if (breakpoint->type == BKPT_SOFT)
2337                         {
2338                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2339                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2340                                 free(buf);
2341                         }
2342                         else
2343                         {
2344                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2345                         }
2346                         breakpoint = breakpoint->next;
2347                 }
2348         }
2349         else if (argc >= 2)
2350         {
2351                 int hw = BKPT_SOFT;
2352                 u32 length = 0;
2353
2354                 length = strtoul(args[1], NULL, 0);
2355
2356                 if (argc >= 3)
2357                         if (strcmp(args[2], "hw") == 0)
2358                                 hw = BKPT_HARD;
2359
2360                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2361                 {
2362                         LOG_ERROR("Failure setting breakpoints");
2363                 }
2364                 else
2365                 {
2366                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8lx",
2367                                         strtoul(args[0], NULL, 0));
2368                 }
2369         }
2370         else
2371         {
2372                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2373         }
2374
2375         return ERROR_OK;
2376 }
2377
2378 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2379 {
2380         target_t *target = get_current_target(cmd_ctx);
2381
2382         if (argc > 0)
2383                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2384
2385         return ERROR_OK;
2386 }
2387
2388 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2389 {
2390         target_t *target = get_current_target(cmd_ctx);
2391         int retval;
2392
2393         if (argc == 0)
2394         {
2395                 watchpoint_t *watchpoint = target->watchpoints;
2396
2397                 while (watchpoint)
2398                 {
2399                         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);
2400                         watchpoint = watchpoint->next;
2401                 }
2402         }
2403         else if (argc >= 2)
2404         {
2405                 enum watchpoint_rw type = WPT_ACCESS;
2406                 u32 data_value = 0x0;
2407                 u32 data_mask = 0xffffffff;
2408
2409                 if (argc >= 3)
2410                 {
2411                         switch(args[2][0])
2412                         {
2413                                 case 'r':
2414                                         type = WPT_READ;
2415                                         break;
2416                                 case 'w':
2417                                         type = WPT_WRITE;
2418                                         break;
2419                                 case 'a':
2420                                         type = WPT_ACCESS;
2421                                         break;
2422                                 default:
2423                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2424                                         return ERROR_OK;
2425                         }
2426                 }
2427                 if (argc >= 4)
2428                 {
2429                         data_value = strtoul(args[3], NULL, 0);
2430                 }
2431                 if (argc >= 5)
2432                 {
2433                         data_mask = strtoul(args[4], NULL, 0);
2434                 }
2435
2436                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2437                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2438                 {
2439                         LOG_ERROR("Failure setting breakpoints");
2440                 }
2441         }
2442         else
2443         {
2444                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2445         }
2446
2447         return ERROR_OK;
2448 }
2449
2450 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2451 {
2452         target_t *target = get_current_target(cmd_ctx);
2453
2454         if (argc > 0)
2455                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2456
2457         return ERROR_OK;
2458 }
2459
2460 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2461 {
2462         int retval;
2463         target_t *target = get_current_target(cmd_ctx);
2464         u32 va;
2465         u32 pa;
2466
2467         if (argc != 1)
2468         {
2469                 return ERROR_COMMAND_SYNTAX_ERROR;
2470         }
2471         va = strtoul(args[0], NULL, 0);
2472
2473         retval = target->type->virt2phys(target, va, &pa);
2474         if (retval == ERROR_OK)
2475         {
2476                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2477         }
2478         else
2479         {
2480                 /* lower levels will have logged a detailed error which is
2481                  * forwarded to telnet/GDB session.
2482                  */
2483         }
2484         return retval;
2485 }
2486
2487 static void writeData(FILE *f, const void *data, size_t len)
2488 {
2489         size_t written = fwrite(data, len, 1, f);
2490         if (written != len)
2491                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2492 }
2493
2494 static void writeLong(FILE *f, int l)
2495 {
2496         int i;
2497         for (i=0; i<4; i++)
2498         {
2499                 char c=(l>>(i*8))&0xff;
2500                 writeData(f, &c, 1);
2501         }
2502
2503 }
2504
2505 static void writeString(FILE *f, char *s)
2506 {
2507         writeData(f, s, strlen(s));
2508 }
2509
2510 /* Dump a gmon.out histogram file. */
2511 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2512 {
2513         u32 i;
2514         FILE *f=fopen(filename, "w");
2515         if (f==NULL)
2516                 return;
2517         writeString(f, "gmon");
2518         writeLong(f, 0x00000001); /* Version */
2519         writeLong(f, 0); /* padding */
2520         writeLong(f, 0); /* padding */
2521         writeLong(f, 0); /* padding */
2522
2523         u8 zero = 0;  /* GMON_TAG_TIME_HIST */
2524         writeData(f, &zero, 1);
2525
2526         /* figure out bucket size */
2527         u32 min=samples[0];
2528         u32 max=samples[0];
2529         for (i=0; i<sampleNum; i++)
2530         {
2531                 if (min>samples[i])
2532                 {
2533                         min=samples[i];
2534                 }
2535                 if (max<samples[i])
2536                 {
2537                         max=samples[i];
2538                 }
2539         }
2540
2541         int addressSpace=(max-min+1);
2542
2543         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2544         u32 length = addressSpace;
2545         if (length > maxBuckets)
2546         {
2547                 length=maxBuckets;
2548         }
2549         int *buckets=malloc(sizeof(int)*length);
2550         if (buckets==NULL)
2551         {
2552                 fclose(f);
2553                 return;
2554         }
2555         memset(buckets, 0, sizeof(int)*length);
2556         for (i=0; i<sampleNum;i++)
2557         {
2558                 u32 address=samples[i];
2559                 long long a=address-min;
2560                 long long b=length-1;
2561                 long long c=addressSpace-1;
2562                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2563                 buckets[index]++;
2564         }
2565
2566         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2567         writeLong(f, min);                      /* low_pc */
2568         writeLong(f, max);                      /* high_pc */
2569         writeLong(f, length);           /* # of samples */
2570         writeLong(f, 64000000);         /* 64MHz */
2571         writeString(f, "seconds");
2572         for (i=0; i<(15-strlen("seconds")); i++)
2573                 writeData(f, &zero, 1);
2574         writeString(f, "s");
2575
2576         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2577
2578         char *data=malloc(2*length);
2579         if (data!=NULL)
2580         {
2581                 for (i=0; i<length;i++)
2582                 {
2583                         int val;
2584                         val=buckets[i];
2585                         if (val>65535)
2586                         {
2587                                 val=65535;
2588                         }
2589                         data[i*2]=val&0xff;
2590                         data[i*2+1]=(val>>8)&0xff;
2591                 }
2592                 free(buckets);
2593                 writeData(f, data, length * 2);
2594                 free(data);
2595         } else
2596         {
2597                 free(buckets);
2598         }
2599
2600         fclose(f);
2601 }
2602
2603 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2604 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2605 {
2606         target_t *target = get_current_target(cmd_ctx);
2607         struct timeval timeout, now;
2608
2609         gettimeofday(&timeout, NULL);
2610         if (argc!=2)
2611         {
2612                 return ERROR_COMMAND_SYNTAX_ERROR;
2613         }
2614         char *end;
2615         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2616         if (*end)
2617         {
2618                 return ERROR_OK;
2619         }
2620
2621         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2622
2623         static const int maxSample=10000;
2624         u32 *samples=malloc(sizeof(u32)*maxSample);
2625         if (samples==NULL)
2626                 return ERROR_OK;
2627
2628         int numSamples=0;
2629         int retval=ERROR_OK;
2630         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2631         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2632
2633         for (;;)
2634         {
2635                 target_poll(target);
2636                 if (target->state == TARGET_HALTED)
2637                 {
2638                         u32 t=*((u32 *)reg->value);
2639                         samples[numSamples++]=t;
2640                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2641                         target_poll(target);
2642                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2643                 } else if (target->state == TARGET_RUNNING)
2644                 {
2645                         /* We want to quickly sample the PC. */
2646                         if((retval = target_halt(target)) != ERROR_OK)
2647                         {
2648                                 free(samples);
2649                                 return retval;
2650                         }
2651                 } else
2652                 {
2653                         command_print(cmd_ctx, "Target not halted or running");
2654                         retval=ERROR_OK;
2655                         break;
2656                 }
2657                 if (retval!=ERROR_OK)
2658                 {
2659                         break;
2660                 }
2661
2662                 gettimeofday(&now, NULL);
2663                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2664                 {
2665                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2666                         if((retval = target_poll(target)) != ERROR_OK)
2667                         {
2668                                 free(samples);
2669                                 return retval;
2670                         }
2671                         if (target->state == TARGET_HALTED)
2672                         {
2673                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2674                         }
2675                         if((retval = target_poll(target)) != ERROR_OK)
2676                         {
2677                                 free(samples);
2678                                 return retval;
2679                         }
2680                         writeGmon(samples, numSamples, args[1]);
2681                         command_print(cmd_ctx, "Wrote %s", args[1]);
2682                         break;
2683                 }
2684         }
2685         free(samples);
2686
2687         return ERROR_OK;
2688 }
2689
2690 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2691 {
2692         char *namebuf;
2693         Jim_Obj *nameObjPtr, *valObjPtr;
2694         int result;
2695
2696         namebuf = alloc_printf("%s(%d)", varname, idx);
2697         if (!namebuf)
2698                 return JIM_ERR;
2699
2700         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2701         valObjPtr = Jim_NewIntObj(interp, val);
2702         if (!nameObjPtr || !valObjPtr)
2703         {
2704                 free(namebuf);
2705                 return JIM_ERR;
2706         }
2707
2708         Jim_IncrRefCount(nameObjPtr);
2709         Jim_IncrRefCount(valObjPtr);
2710         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2711         Jim_DecrRefCount(interp, nameObjPtr);
2712         Jim_DecrRefCount(interp, valObjPtr);
2713         free(namebuf);
2714         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2715         return result;
2716 }
2717
2718 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2719 {
2720         command_context_t *context;
2721         target_t *target;
2722
2723         context = Jim_GetAssocData(interp, "context");
2724         if (context == NULL)
2725         {
2726                 LOG_ERROR("mem2array: no command context");
2727                 return JIM_ERR;
2728         }
2729         target = get_current_target(context);
2730         if (target == NULL)
2731         {
2732                 LOG_ERROR("mem2array: no current target");
2733                 return JIM_ERR;
2734         }
2735
2736         return  target_mem2array(interp, target, argc-1, argv+1);
2737 }
2738
2739 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2740 {
2741         long l;
2742         u32 width;
2743         int len;
2744         u32 addr;
2745         u32 count;
2746         u32 v;
2747         const char *varname;
2748         u8 buffer[4096];
2749         int  n, e, retval;
2750         u32 i;
2751
2752         /* argv[1] = name of array to receive the data
2753          * argv[2] = desired width
2754          * argv[3] = memory address
2755          * argv[4] = count of times to read
2756          */
2757         if (argc != 4) {
2758                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2759                 return JIM_ERR;
2760         }
2761         varname = Jim_GetString(argv[0], &len);
2762         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2763
2764         e = Jim_GetLong(interp, argv[1], &l);
2765         width = l;
2766         if (e != JIM_OK) {
2767                 return e;
2768         }
2769
2770         e = Jim_GetLong(interp, argv[2], &l);
2771         addr = l;
2772         if (e != JIM_OK) {
2773                 return e;
2774         }
2775         e = Jim_GetLong(interp, argv[3], &l);
2776         len = l;
2777         if (e != JIM_OK) {
2778                 return e;
2779         }
2780         switch (width) {
2781                 case 8:
2782                         width = 1;
2783                         break;
2784                 case 16:
2785                         width = 2;
2786                         break;
2787                 case 32:
2788                         width = 4;
2789                         break;
2790                 default:
2791                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2792                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2793                         return JIM_ERR;
2794         }
2795         if (len == 0) {
2796                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2797                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2798                 return JIM_ERR;
2799         }
2800         if ((addr + (len * width)) < addr) {
2801                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2802                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2803                 return JIM_ERR;
2804         }
2805         /* absurd transfer size? */
2806         if (len > 65536) {
2807                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2808                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2809                 return JIM_ERR;
2810         }
2811
2812         if ((width == 1) ||
2813                 ((width == 2) && ((addr & 1) == 0)) ||
2814                 ((width == 4) && ((addr & 3) == 0))) {
2815                 /* all is well */
2816         } else {
2817                 char buf[100];
2818                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2819                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2820                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2821                 return JIM_ERR;
2822         }
2823
2824         /* Transfer loop */
2825
2826         /* index counter */
2827         n = 0;
2828         /* assume ok */
2829         e = JIM_OK;
2830         while (len) {
2831                 /* Slurp... in buffer size chunks */
2832
2833                 count = len; /* in objects.. */
2834                 if (count > (sizeof(buffer)/width)) {
2835                         count = (sizeof(buffer)/width);
2836                 }
2837
2838                 retval = target_read_memory( target, addr, width, count, buffer );
2839                 if (retval != ERROR_OK) {
2840                         /* BOO !*/
2841                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2842                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2843                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2844                         e = JIM_ERR;
2845                         len = 0;
2846                 } else {
2847                         v = 0; /* shut up gcc */
2848                         for (i = 0 ;i < count ;i++, n++) {
2849                                 switch (width) {
2850                                         case 4:
2851                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2852                                                 break;
2853                                         case 2:
2854                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2855                                                 break;
2856                                         case 1:
2857                                                 v = buffer[i] & 0x0ff;
2858                                                 break;
2859                                 }
2860                                 new_int_array_element(interp, varname, n, v);
2861                         }
2862                         len -= count;
2863                 }
2864         }
2865
2866         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2867
2868         return JIM_OK;
2869 }
2870
2871 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2872 {
2873         char *namebuf;
2874         Jim_Obj *nameObjPtr, *valObjPtr;
2875         int result;
2876         long l;
2877
2878         namebuf = alloc_printf("%s(%d)", varname, idx);
2879         if (!namebuf)
2880                 return JIM_ERR;
2881
2882         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2883         if (!nameObjPtr)
2884         {
2885                 free(namebuf);
2886                 return JIM_ERR;
2887         }
2888
2889         Jim_IncrRefCount(nameObjPtr);
2890         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2891         Jim_DecrRefCount(interp, nameObjPtr);
2892         free(namebuf);
2893         if (valObjPtr == NULL)
2894                 return JIM_ERR;
2895
2896         result = Jim_GetLong(interp, valObjPtr, &l);
2897         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2898         *val = l;
2899         return result;
2900 }
2901
2902 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2903 {
2904         command_context_t *context;
2905         target_t *target;
2906
2907         context = Jim_GetAssocData(interp, "context");
2908         if (context == NULL){
2909                 LOG_ERROR("array2mem: no command context");
2910                 return JIM_ERR;
2911         }
2912         target = get_current_target(context);
2913         if (target == NULL){
2914                 LOG_ERROR("array2mem: no current target");
2915                 return JIM_ERR;
2916         }
2917
2918         return target_array2mem( interp,target, argc-1, argv+1 );
2919 }
2920
2921 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2922 {
2923         long l;
2924         u32 width;
2925         int len;
2926         u32 addr;
2927         u32 count;
2928         u32 v;
2929         const char *varname;
2930         u8 buffer[4096];
2931         int  n, e, retval;
2932         u32 i;
2933
2934         /* argv[1] = name of array to get the data
2935          * argv[2] = desired width
2936          * argv[3] = memory address
2937          * argv[4] = count to write
2938          */
2939         if (argc != 4) {
2940                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2941                 return JIM_ERR;
2942         }
2943         varname = Jim_GetString(argv[0], &len);
2944         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2945
2946         e = Jim_GetLong(interp, argv[1], &l);
2947         width = l;
2948         if (e != JIM_OK) {
2949                 return e;
2950         }
2951
2952         e = Jim_GetLong(interp, argv[2], &l);
2953         addr = l;
2954         if (e != JIM_OK) {
2955                 return e;
2956         }
2957         e = Jim_GetLong(interp, argv[3], &l);
2958         len = l;
2959         if (e != JIM_OK) {
2960                 return e;
2961         }
2962         switch (width) {
2963                 case 8:
2964                         width = 1;
2965                         break;
2966                 case 16:
2967                         width = 2;
2968                         break;
2969                 case 32:
2970                         width = 4;
2971                         break;
2972                 default:
2973                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2974                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2975                         return JIM_ERR;
2976         }
2977         if (len == 0) {
2978                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2979                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2980                 return JIM_ERR;
2981         }
2982         if ((addr + (len * width)) < addr) {
2983                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2984                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2985                 return JIM_ERR;
2986         }
2987         /* absurd transfer size? */
2988         if (len > 65536) {
2989                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2990                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2991                 return JIM_ERR;
2992         }
2993
2994         if ((width == 1) ||
2995                 ((width == 2) && ((addr & 1) == 0)) ||
2996                 ((width == 4) && ((addr & 3) == 0))) {
2997                 /* all is well */
2998         } else {
2999                 char buf[100];
3000                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3001                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3002                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3003                 return JIM_ERR;
3004         }
3005
3006         /* Transfer loop */
3007
3008         /* index counter */
3009         n = 0;
3010         /* assume ok */
3011         e = JIM_OK;
3012         while (len) {
3013                 /* Slurp... in buffer size chunks */
3014
3015                 count = len; /* in objects.. */
3016                 if (count > (sizeof(buffer)/width)) {
3017                         count = (sizeof(buffer)/width);
3018                 }
3019
3020                 v = 0; /* shut up gcc */
3021                 for (i = 0 ;i < count ;i++, n++) {
3022                         get_int_array_element(interp, varname, n, &v);
3023                         switch (width) {
3024                         case 4:
3025                                 target_buffer_set_u32(target, &buffer[i*width], v);
3026                                 break;
3027                         case 2:
3028                                 target_buffer_set_u16(target, &buffer[i*width], v);
3029                                 break;
3030                         case 1:
3031                                 buffer[i] = v & 0x0ff;
3032                                 break;
3033                         }
3034                 }
3035                 len -= count;
3036
3037                 retval = target->type->write_memory(target, addr, width, count, buffer);
3038                 if (retval != ERROR_OK) {
3039                         /* BOO !*/
3040                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3041                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3042                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3043                         e = JIM_ERR;
3044                         len = 0;
3045                 }
3046         }
3047
3048         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3049
3050         return JIM_OK;
3051 }
3052
3053 void target_all_handle_event( enum target_event e )
3054 {
3055         target_t *target;
3056
3057         LOG_DEBUG( "**all*targets: event: %d, %s",
3058                         e,
3059                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3060
3061         target = all_targets;
3062         while (target){
3063                 target_handle_event( target, e );
3064                 target = target->next;
3065         }
3066 }
3067
3068 void target_handle_event( target_t *target, enum target_event e )
3069 {
3070         target_event_action_t *teap;
3071         int done;
3072
3073         teap = target->event_action;
3074
3075         done = 0;
3076         while( teap ){
3077                 if( teap->event == e ){
3078                         done = 1;
3079                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3080                                            target->target_number,
3081                                            target->cmd_name,
3082                                            target->type->name,
3083                                            e,
3084                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3085                                            Jim_GetString( teap->body, NULL ) );
3086                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3087                         {
3088                                 Jim_PrintErrorMessage(interp);
3089                         }
3090                 }
3091                 teap = teap->next;
3092         }
3093         if( !done ){
3094                 LOG_DEBUG( "event: %d %s - no action",
3095                                    e,
3096                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3097         }
3098 }
3099
3100 enum target_cfg_param {
3101         TCFG_TYPE,
3102         TCFG_EVENT,
3103         TCFG_WORK_AREA_VIRT,
3104         TCFG_WORK_AREA_PHYS,
3105         TCFG_WORK_AREA_SIZE,
3106         TCFG_WORK_AREA_BACKUP,
3107         TCFG_ENDIAN,
3108         TCFG_VARIANT,
3109         TCFG_CHAIN_POSITION,
3110 };
3111
3112 static Jim_Nvp nvp_config_opts[] = {
3113         { .name = "-type",             .value = TCFG_TYPE },
3114         { .name = "-event",            .value = TCFG_EVENT },
3115         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3116         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3117         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3118         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3119         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3120         { .name = "-variant",          .value = TCFG_VARIANT },
3121         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3122
3123         { .name = NULL, .value = -1 }
3124 };
3125
3126 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3127 {
3128         Jim_Nvp *n;
3129         Jim_Obj *o;
3130         jim_wide w;
3131         char *cp;
3132         int e;
3133
3134         /* parse config or cget options ... */
3135         while( goi->argc > 0 ){
3136                 Jim_SetEmptyResult( goi->interp );
3137                 /* Jim_GetOpt_Debug( goi ); */
3138
3139                 if( target->type->target_jim_configure ){
3140                         /* target defines a configure function */
3141                         /* target gets first dibs on parameters */
3142                         e = (*(target->type->target_jim_configure))( target, goi );
3143                         if( e == JIM_OK ){
3144                                 /* more? */
3145                                 continue;
3146                         }
3147                         if( e == JIM_ERR ){
3148                                 /* An error */
3149                                 return e;
3150                         }
3151                         /* otherwise we 'continue' below */
3152                 }
3153                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3154                 if( e != JIM_OK ){
3155                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3156                         return e;
3157                 }
3158                 switch( n->value ){
3159                 case TCFG_TYPE:
3160                         /* not setable */
3161                         if( goi->isconfigure ){
3162                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3163                                 return JIM_ERR;
3164                         } else {
3165                         no_params:
3166                                 if( goi->argc != 0 ){
3167                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3168                                         return JIM_ERR;
3169                                 }
3170                         }
3171                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3172                         /* loop for more */
3173                         break;
3174                 case TCFG_EVENT:
3175                         if( goi->argc == 0 ){
3176                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3177                                 return JIM_ERR;
3178                         }
3179
3180                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3181                         if( e != JIM_OK ){
3182                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3183                                 return e;
3184                         }
3185
3186                         if( goi->isconfigure ){
3187                                 if( goi->argc != 1 ){
3188                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3189                                         return JIM_ERR;
3190                                 }
3191                         } else {
3192                                 if( goi->argc != 0 ){
3193                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3194                                         return JIM_ERR;
3195                                 }
3196                         }
3197
3198                         {
3199                                 target_event_action_t *teap;
3200
3201                                 teap = target->event_action;
3202                                 /* replace existing? */
3203                                 while( teap ){
3204                                         if( teap->event == (enum target_event)n->value ){
3205                                                 break;
3206                                         }
3207                                         teap = teap->next;
3208                                 }
3209
3210                                 if( goi->isconfigure ){
3211                                         if( teap == NULL ){
3212                                                 /* create new */
3213                                                 teap = calloc( 1, sizeof(*teap) );
3214                                         }
3215                                         teap->event = n->value;
3216                                         Jim_GetOpt_Obj( goi, &o );
3217                                         if( teap->body ){
3218                                                 Jim_DecrRefCount( interp, teap->body );
3219                                         }
3220                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3221                                         /*
3222                                          * FIXME:
3223                                          *     Tcl/TK - "tk events" have a nice feature.
3224                                          *     See the "BIND" command.
3225                                          *    We should support that here.
3226                                          *     You can specify %X and %Y in the event code.
3227                                          *     The idea is: %T - target name.
3228                                          *     The idea is: %N - target number
3229                                          *     The idea is: %E - event name.
3230                                          */
3231                                         Jim_IncrRefCount( teap->body );
3232
3233                                         /* add to head of event list */
3234                                         teap->next = target->event_action;
3235                                         target->event_action = teap;
3236                                         Jim_SetEmptyResult(goi->interp);
3237                                 } else {
3238                                         /* get */
3239                                         if( teap == NULL ){
3240                                                 Jim_SetEmptyResult( goi->interp );
3241                                         } else {
3242                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3243                                         }
3244                                 }
3245                         }
3246                         /* loop for more */
3247                         break;
3248
3249                 case TCFG_WORK_AREA_VIRT:
3250                         if( goi->isconfigure ){
3251                                 target_free_all_working_areas(target);
3252                                 e = Jim_GetOpt_Wide( goi, &w );
3253                                 if( e != JIM_OK ){
3254                                         return e;
3255                                 }
3256                                 target->working_area_virt = w;
3257                         } else {
3258                                 if( goi->argc != 0 ){
3259                                         goto no_params;
3260                                 }
3261                         }
3262                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3263                         /* loop for more */
3264                         break;
3265
3266                 case TCFG_WORK_AREA_PHYS:
3267                         if( goi->isconfigure ){
3268                                 target_free_all_working_areas(target);
3269                                 e = Jim_GetOpt_Wide( goi, &w );
3270                                 if( e != JIM_OK ){
3271                                         return e;
3272                                 }
3273                                 target->working_area_phys = w;
3274                         } else {
3275                                 if( goi->argc != 0 ){
3276                                         goto no_params;
3277                                 }
3278                         }
3279                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3280                         /* loop for more */
3281                         break;
3282
3283                 case TCFG_WORK_AREA_SIZE:
3284                         if( goi->isconfigure ){
3285                                 target_free_all_working_areas(target);
3286                                 e = Jim_GetOpt_Wide( goi, &w );
3287                                 if( e != JIM_OK ){
3288                                         return e;
3289                                 }
3290                                 target->working_area_size = w;
3291                         } else {
3292                                 if( goi->argc != 0 ){
3293                                         goto no_params;
3294                                 }
3295                         }
3296                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3297                         /* loop for more */
3298                         break;
3299
3300                 case TCFG_WORK_AREA_BACKUP:
3301                         if( goi->isconfigure ){
3302                                 target_free_all_working_areas(target);
3303                                 e = Jim_GetOpt_Wide( goi, &w );
3304                                 if( e != JIM_OK ){
3305                                         return e;
3306                                 }
3307                                 /* make this exactly 1 or 0 */
3308                                 target->backup_working_area = (!!w);
3309                         } else {
3310                                 if( goi->argc != 0 ){
3311                                         goto no_params;
3312                                 }
3313                         }
3314                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3315                         /* loop for more e*/
3316                         break;
3317
3318                 case TCFG_ENDIAN:
3319                         if( goi->isconfigure ){
3320                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3321                                 if( e != JIM_OK ){
3322                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3323                                         return e;
3324                                 }
3325                                 target->endianness = n->value;
3326                         } else {
3327                                 if( goi->argc != 0 ){
3328                                         goto no_params;
3329                                 }
3330                         }
3331                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3332                         if( n->name == NULL ){
3333                                 target->endianness = TARGET_LITTLE_ENDIAN;
3334                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3335                         }
3336                         Jim_SetResultString( goi->interp, n->name, -1 );
3337                         /* loop for more */
3338                         break;
3339
3340                 case TCFG_VARIANT:
3341                         if( goi->isconfigure ){
3342                                 if( goi->argc < 1 ){
3343                                         Jim_SetResult_sprintf( goi->interp,
3344                                                                                    "%s ?STRING?",
3345                                                                                    n->name );
3346                                         return JIM_ERR;
3347                                 }
3348                                 if( target->variant ){
3349                                         free((void *)(target->variant));
3350                                 }
3351                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3352                                 target->variant = strdup(cp);
3353                         } else {
3354                                 if( goi->argc != 0 ){
3355                                         goto no_params;
3356                                 }
3357                         }
3358                         Jim_SetResultString( goi->interp, target->variant,-1 );
3359                         /* loop for more */
3360                         break;
3361                 case TCFG_CHAIN_POSITION:
3362                         if( goi->isconfigure ){
3363                                 Jim_Obj *o;
3364                                 jtag_tap_t *tap;
3365                                 target_free_all_working_areas(target);
3366                                 e = Jim_GetOpt_Obj( goi, &o );
3367                                 if( e != JIM_OK ){
3368                                         return e;
3369                                 }
3370                                 tap = jtag_TapByJimObj( goi->interp, o );
3371                                 if( tap == NULL ){
3372                                         return JIM_ERR;
3373                                 }
3374                                 /* make this exactly 1 or 0 */
3375                                 target->tap = tap;
3376                         } else {
3377                                 if( goi->argc != 0 ){
3378                                         goto no_params;
3379                                 }
3380                         }
3381                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3382                         /* loop for more e*/
3383                         break;
3384                 }
3385         } /* while( goi->argc ) */
3386
3387
3388                 /* done - we return */
3389         return JIM_OK;
3390 }
3391
3392 /** this is the 'tcl' handler for the target specific command */
3393 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3394 {
3395         Jim_GetOptInfo goi;
3396         jim_wide a,b,c;
3397         int x,y,z;
3398         u8  target_buf[32];
3399         Jim_Nvp *n;
3400         target_t *target;
3401         struct command_context_s *cmd_ctx;
3402         int e;
3403
3404         enum {
3405                 TS_CMD_CONFIGURE,
3406                 TS_CMD_CGET,
3407
3408                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3409                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3410                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3411                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3412                 TS_CMD_EXAMINE,
3413                 TS_CMD_POLL,
3414                 TS_CMD_RESET,
3415                 TS_CMD_HALT,
3416                 TS_CMD_WAITSTATE,
3417                 TS_CMD_EVENTLIST,
3418                 TS_CMD_CURSTATE,
3419                 TS_CMD_INVOKE_EVENT,
3420         };
3421
3422         static const Jim_Nvp target_options[] = {
3423                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3424                 { .name = "cget", .value = TS_CMD_CGET },
3425                 { .name = "mww", .value = TS_CMD_MWW },
3426                 { .name = "mwh", .value = TS_CMD_MWH },
3427                 { .name = "mwb", .value = TS_CMD_MWB },
3428                 { .name = "mdw", .value = TS_CMD_MDW },
3429                 { .name = "mdh", .value = TS_CMD_MDH },
3430                 { .name = "mdb", .value = TS_CMD_MDB },
3431                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3432                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3433                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3434                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3435
3436                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3437                 { .name = "arp_poll", .value = TS_CMD_POLL },
3438                 { .name = "arp_reset", .value = TS_CMD_RESET },
3439                 { .name = "arp_halt", .value = TS_CMD_HALT },
3440                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3441                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3442
3443                 { .name = NULL, .value = -1 },
3444         };
3445
3446         /* go past the "command" */
3447         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3448
3449         target = Jim_CmdPrivData( goi.interp );
3450         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3451
3452         /* commands here are in an NVP table */
3453         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3454         if( e != JIM_OK ){
3455                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3456                 return e;
3457         }
3458         /* Assume blank result */
3459         Jim_SetEmptyResult( goi.interp );
3460
3461         switch( n->value ){
3462         case TS_CMD_CONFIGURE:
3463                 if( goi.argc < 2 ){
3464                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3465                         return JIM_ERR;
3466                 }
3467                 goi.isconfigure = 1;
3468                 return target_configure( &goi, target );
3469         case TS_CMD_CGET:
3470                 // some things take params
3471                 if( goi.argc < 1 ){
3472                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3473                         return JIM_ERR;
3474                 }
3475                 goi.isconfigure = 0;
3476                 return target_configure( &goi, target );
3477                 break;
3478         case TS_CMD_MWW:
3479         case TS_CMD_MWH:
3480         case TS_CMD_MWB:
3481                 /* argv[0] = cmd
3482                  * argv[1] = address
3483                  * argv[2] = data
3484                  * argv[3] = optional count.
3485                  */
3486
3487                 if( (goi.argc == 3) || (goi.argc == 4) ){
3488                         /* all is well */
3489                 } else {
3490                 mwx_error:
3491                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3492                         return JIM_ERR;
3493                 }
3494
3495                 e = Jim_GetOpt_Wide( &goi, &a );
3496                 if( e != JIM_OK ){
3497                         goto mwx_error;
3498                 }
3499
3500                 e = Jim_GetOpt_Wide( &goi, &b );
3501                 if( e != JIM_OK ){
3502                         goto mwx_error;
3503                 }
3504                 if( goi.argc ){
3505                         e = Jim_GetOpt_Wide( &goi, &c );
3506                         if( e != JIM_OK ){
3507                                 goto mwx_error;
3508                         }
3509                 } else {
3510                         c = 1;
3511                 }
3512
3513                 switch( n->value ){
3514                 case TS_CMD_MWW:
3515                         target_buffer_set_u32( target, target_buf, b );
3516                         b = 4;
3517                         break;
3518                 case TS_CMD_MWH:
3519                         target_buffer_set_u16( target, target_buf, b );
3520                         b = 2;
3521                         break;
3522                 case TS_CMD_MWB:
3523                         target_buffer_set_u8( target, target_buf, b );
3524                         b = 1;
3525                         break;
3526                 }
3527                 for( x = 0 ; x < c ; x++ ){
3528                         e = target->type->write_memory( target, a, b, 1, target_buf );
3529                         if( e != ERROR_OK ){
3530                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3531                                 return JIM_ERR;
3532                         }
3533                         /* b = width */
3534                         a = a + b;
3535                 }
3536                 return JIM_OK;
3537                 break;
3538
3539                 /* display */
3540         case TS_CMD_MDW:
3541         case TS_CMD_MDH:
3542         case TS_CMD_MDB:
3543                 /* argv[0] = command
3544                  * argv[1] = address
3545                  * argv[2] = optional count
3546                  */
3547                 if( (goi.argc == 2) || (goi.argc == 3) ){
3548                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3549                         return JIM_ERR;
3550                 }
3551                 e = Jim_GetOpt_Wide( &goi, &a );
3552                 if( e != JIM_OK ){
3553                         return JIM_ERR;
3554                 }
3555                 if( goi.argc ){
3556                         e = Jim_GetOpt_Wide( &goi, &c );
3557                         if( e != JIM_OK ){
3558                                 return JIM_ERR;
3559                         }
3560                 } else {
3561                         c = 1;
3562                 }
3563                 b = 1; /* shut up gcc */
3564                 switch( n->value ){
3565                 case TS_CMD_MDW:
3566                         b =  4;
3567                         break;
3568                 case TS_CMD_MDH:
3569                         b = 2;
3570                         break;
3571                 case TS_CMD_MDB:
3572                         b = 1;
3573                         break;
3574                 }
3575
3576                 /* convert to "bytes" */
3577                 c = c * b;
3578                 /* count is now in 'BYTES' */
3579                 while( c > 0 ){
3580                         y = c;
3581                         if( y > 16 ){
3582                                 y = 16;
3583                         }
3584                         e = target_read_memory( target, a, b, y / b, target_buf );
3585                         if( e != ERROR_OK ){
3586                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3587                                 return JIM_ERR;
3588                         }
3589
3590                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3591                         switch( b ){
3592                         case 4:
3593                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3594                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3595                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3596                                 }
3597                                 for( ; (x < 16) ; x += 4 ){
3598                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3599                                 }
3600                                 break;
3601                         case 2:
3602                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3603                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3604                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3605                                 }
3606                                 for( ; (x < 16) ; x += 2 ){
3607                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3608                                 }
3609                                 break;
3610                         case 1:
3611                         default:
3612                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3613                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3614                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3615                                 }
3616                                 for( ; (x < 16) ; x += 1 ){
3617                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3618                                 }
3619                                 break;
3620                         }
3621                         /* ascii-ify the bytes */
3622                         for( x = 0 ; x < y ; x++ ){
3623                                 if( (target_buf[x] >= 0x20) &&
3624                                         (target_buf[x] <= 0x7e) ){
3625                                         /* good */
3626                                 } else {
3627                                         /* smack it */
3628                                         target_buf[x] = '.';
3629                                 }
3630                         }
3631                         /* space pad  */
3632                         while( x < 16 ){
3633                                 target_buf[x] = ' ';
3634                                 x++;
3635                         }
3636                         /* terminate */
3637                         target_buf[16] = 0;
3638                         /* print - with a newline */
3639                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3640                         /* NEXT... */
3641                         c -= 16;
3642                         a += 16;
3643                 }
3644                 return JIM_OK;
3645         case TS_CMD_MEM2ARRAY:
3646                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3647                 break;
3648         case TS_CMD_ARRAY2MEM:
3649                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3650                 break;
3651         case TS_CMD_EXAMINE:
3652                 if( goi.argc ){
3653                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3654                         return JIM_ERR;
3655                 }
3656                 e = target->type->examine( target );
3657                 if( e != ERROR_OK ){
3658                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3659                         return JIM_ERR;
3660                 }
3661                 return JIM_OK;
3662         case TS_CMD_POLL:
3663                 if( goi.argc ){
3664                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3665                         return JIM_ERR;
3666                 }
3667                 if( !(target->type->examined) ){
3668                         e = ERROR_TARGET_NOT_EXAMINED;
3669                 } else {
3670                         e = target->type->poll( target );
3671                 }
3672                 if( e != ERROR_OK ){
3673                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3674                         return JIM_ERR;
3675                 } else {
3676                         return JIM_OK;
3677                 }
3678                 break;
3679         case TS_CMD_RESET:
3680                 if( goi.argc != 2 ){
3681                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3682                         return JIM_ERR;
3683                 }
3684                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3685                 if( e != JIM_OK ){
3686                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3687                         return e;
3688                 }
3689                 /* the halt or not param */
3690                 e = Jim_GetOpt_Wide( &goi, &a);
3691                 if( e != JIM_OK ){
3692                         return e;
3693                 }
3694                 /* determine if we should halt or not. */
3695                 target->reset_halt = !!a;
3696                 /* When this happens - all workareas are invalid. */
3697                 target_free_all_working_areas_restore(target, 0);
3698
3699                 /* do the assert */
3700                 if( n->value == NVP_ASSERT ){
3701                         target->type->assert_reset( target );
3702                 } else {
3703                         target->type->deassert_reset( target );
3704                 }
3705                 return JIM_OK;
3706         case TS_CMD_HALT:
3707                 if( goi.argc ){
3708                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3709                         return JIM_ERR;
3710                 }
3711                 target->type->halt( target );
3712                 return JIM_OK;
3713         case TS_CMD_WAITSTATE:
3714                 /* params:  <name>  statename timeoutmsecs */
3715                 if( goi.argc != 2 ){
3716                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3717                         return JIM_ERR;
3718                 }
3719                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3720                 if( e != JIM_OK ){
3721                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3722                         return e;
3723                 }
3724                 e = Jim_GetOpt_Wide( &goi, &a );
3725                 if( e != JIM_OK ){
3726                         return e;
3727                 }
3728                 e = target_wait_state( target, n->value, a );
3729                 if( e != ERROR_OK ){
3730                         Jim_SetResult_sprintf( goi.interp,
3731                                                                    "target: %s wait %s fails (%d) %s",
3732                                                                    target->cmd_name,
3733                                                                    n->name,
3734                                                                    e, target_strerror_safe(e) );
3735                         return JIM_ERR;
3736                 } else {
3737                         return JIM_OK;
3738                 }
3739         case TS_CMD_EVENTLIST:
3740                 /* List for human, Events defined for this target.
3741                  * scripts/programs should use 'name cget -event NAME'
3742                  */
3743                 {
3744                         target_event_action_t *teap;
3745                         teap = target->event_action;
3746                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3747                                                    target->target_number,
3748                                                    target->cmd_name );
3749                         command_print( cmd_ctx, "%-25s | Body", "Event");
3750                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3751                         while( teap ){
3752                                 command_print( cmd_ctx,
3753                                                            "%-25s | %s",
3754                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3755                                                            Jim_GetString( teap->body, NULL ) );
3756                                 teap = teap->next;
3757                         }
3758                         command_print( cmd_ctx, "***END***");
3759                         return JIM_OK;
3760                 }
3761         case TS_CMD_CURSTATE:
3762                 if( goi.argc != 0 ){
3763                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3764                         return JIM_ERR;
3765                 }
3766                 Jim_SetResultString( goi.interp,
3767                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3768                 return JIM_OK;
3769         case TS_CMD_INVOKE_EVENT:
3770                 if( goi.argc != 1 ){
3771                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3772                         return JIM_ERR;
3773                 }
3774                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3775                 if( e != JIM_OK ){
3776                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3777                         return e;
3778                 }
3779                 target_handle_event( target, n->value );
3780                 return JIM_OK;
3781         }
3782         return JIM_ERR;
3783 }
3784
3785 static int target_create( Jim_GetOptInfo *goi )
3786 {
3787         Jim_Obj *new_cmd;
3788         Jim_Cmd *cmd;
3789         const char *cp;
3790         char *cp2;
3791         int e;
3792         int x;
3793         target_t *target;
3794         struct command_context_s *cmd_ctx;
3795
3796         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3797         if( goi->argc < 3 ){
3798                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3799                 return JIM_ERR;
3800         }
3801
3802         /* COMMAND */
3803         Jim_GetOpt_Obj( goi, &new_cmd );
3804         /* does this command exist? */
3805         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3806         if( cmd ){
3807                 cp = Jim_GetString( new_cmd, NULL );
3808                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3809                 return JIM_ERR;
3810         }
3811
3812         /* TYPE */
3813         e = Jim_GetOpt_String( goi, &cp2, NULL );
3814         cp = cp2;
3815         /* now does target type exist */
3816         for( x = 0 ; target_types[x] ; x++ ){
3817                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3818                         /* found */
3819                         break;
3820                 }
3821         }
3822         if( target_types[x] == NULL ){
3823                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3824                 for( x = 0 ; target_types[x] ; x++ ){
3825                         if( target_types[x+1] ){
3826                                 Jim_AppendStrings( goi->interp,
3827                                                                    Jim_GetResult(goi->interp),
3828                                                                    target_types[x]->name,
3829                                                                    ", ", NULL);
3830                         } else {
3831                                 Jim_AppendStrings( goi->interp,
3832                                                                    Jim_GetResult(goi->interp),
3833                                                                    " or ",
3834                                                                    target_types[x]->name,NULL );
3835                         }
3836                 }
3837                 return JIM_ERR;
3838         }
3839
3840         /* Create it */
3841         target = calloc(1,sizeof(target_t));
3842         /* set target number */
3843         target->target_number = new_target_number();
3844
3845         /* allocate memory for each unique target type */
3846         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3847
3848         memcpy( target->type, target_types[x], sizeof(target_type_t));
3849
3850         /* will be set by "-endian" */
3851         target->endianness = TARGET_ENDIAN_UNKNOWN;
3852
3853         target->working_area        = 0x0;
3854         target->working_area_size   = 0x0;
3855         target->working_areas       = NULL;
3856         target->backup_working_area = 0;
3857
3858         target->state               = TARGET_UNKNOWN;
3859         target->debug_reason        = DBG_REASON_UNDEFINED;
3860         target->reg_cache           = NULL;
3861         target->breakpoints         = NULL;
3862         target->watchpoints         = NULL;
3863         target->next                = NULL;
3864         target->arch_info           = NULL;
3865
3866         target->display             = 1;
3867
3868         /* initialize trace information */
3869         target->trace_info = malloc(sizeof(trace_t));
3870         target->trace_info->num_trace_points         = 0;
3871         target->trace_info->trace_points_size        = 0;
3872         target->trace_info->trace_points             = NULL;
3873         target->trace_info->trace_history_size       = 0;
3874         target->trace_info->trace_history            = NULL;
3875         target->trace_info->trace_history_pos        = 0;
3876         target->trace_info->trace_history_overflowed = 0;
3877
3878         target->dbgmsg          = NULL;
3879         target->dbg_msg_enabled = 0;
3880
3881         target->endianness = TARGET_ENDIAN_UNKNOWN;
3882
3883         /* Do the rest as "configure" options */
3884         goi->isconfigure = 1;
3885         e = target_configure( goi, target);
3886
3887         if (target->tap == NULL)
3888         {
3889                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
3890                 e=JIM_ERR;
3891         }
3892
3893         if( e != JIM_OK ){
3894                 free( target->type );
3895                 free( target );
3896                 return e;
3897         }
3898
3899         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3900                 /* default endian to little if not specified */
3901                 target->endianness = TARGET_LITTLE_ENDIAN;
3902         }
3903
3904         /* incase variant is not set */
3905         if (!target->variant)
3906                 target->variant = strdup("");
3907
3908         /* create the target specific commands */
3909         if( target->type->register_commands ){
3910                 (*(target->type->register_commands))( cmd_ctx );
3911         }
3912         if( target->type->target_create ){
3913                 (*(target->type->target_create))( target, goi->interp );
3914         }
3915
3916         /* append to end of list */
3917         {
3918                 target_t **tpp;
3919                 tpp = &(all_targets);
3920                 while( *tpp ){
3921                         tpp = &( (*tpp)->next );
3922                 }
3923                 *tpp = target;
3924         }
3925
3926         cp = Jim_GetString( new_cmd, NULL );
3927         target->cmd_name = strdup(cp);
3928
3929         /* now - create the new target name command */
3930         e = Jim_CreateCommand( goi->interp,
3931                                                    /* name */
3932                                                    cp,
3933                                                    tcl_target_func, /* C function */
3934                                                    target, /* private data */
3935                                                    NULL ); /* no del proc */
3936
3937         return e;
3938 }
3939
3940 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3941 {
3942         int x,r,e;
3943         jim_wide w;
3944         struct command_context_s *cmd_ctx;
3945         target_t *target;
3946         Jim_GetOptInfo goi;
3947         enum tcmd {
3948                 /* TG = target generic */
3949                 TG_CMD_CREATE,
3950                 TG_CMD_TYPES,
3951                 TG_CMD_NAMES,
3952                 TG_CMD_CURRENT,
3953                 TG_CMD_NUMBER,
3954                 TG_CMD_COUNT,
3955         };
3956         const char *target_cmds[] = {
3957                 "create", "types", "names", "current", "number",
3958                 "count",
3959                 NULL /* terminate */
3960         };
3961
3962         LOG_DEBUG("Target command params:");
3963         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
3964
3965         cmd_ctx = Jim_GetAssocData( interp, "context" );
3966
3967         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3968
3969         if( goi.argc == 0 ){
3970                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3971                 return JIM_ERR;
3972         }
3973
3974         /* Jim_GetOpt_Debug( &goi ); */
3975         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3976         if( r != JIM_OK ){
3977                 return r;
3978         }
3979
3980         switch(x){
3981         default:
3982                 Jim_Panic(goi.interp,"Why am I here?");
3983                 return JIM_ERR;
3984         case TG_CMD_CURRENT:
3985                 if( goi.argc != 0 ){
3986                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3987                         return JIM_ERR;
3988                 }
3989                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3990                 return JIM_OK;
3991         case TG_CMD_TYPES:
3992                 if( goi.argc != 0 ){
3993                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3994                         return JIM_ERR;
3995                 }
3996                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3997                 for( x = 0 ; target_types[x] ; x++ ){
3998                         Jim_ListAppendElement( goi.interp,
3999                                                                    Jim_GetResult(goi.interp),
4000                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4001                 }
4002                 return JIM_OK;
4003         case TG_CMD_NAMES:
4004                 if( goi.argc != 0 ){
4005                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4006                         return JIM_ERR;
4007                 }
4008                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4009                 target = all_targets;
4010                 while( target ){
4011                         Jim_ListAppendElement( goi.interp,
4012                                                                    Jim_GetResult(goi.interp),
4013                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4014                         target = target->next;
4015                 }
4016                 return JIM_OK;
4017         case TG_CMD_CREATE:
4018                 if( goi.argc < 3 ){
4019                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4020                         return JIM_ERR;
4021                 }
4022                 return target_create( &goi );
4023                 break;
4024         case TG_CMD_NUMBER:
4025                 if( goi.argc != 1 ){
4026                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4027                         return JIM_ERR;
4028                 }
4029                 e = Jim_GetOpt_Wide( &goi, &w );
4030                 if( e != JIM_OK ){
4031                         return JIM_ERR;
4032                 }
4033                 {
4034                         target_t *t;
4035                         t = get_target_by_num(w);
4036                         if( t == NULL ){
4037                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4038                                 return JIM_ERR;
4039                         }
4040                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4041                         return JIM_OK;
4042                 }
4043         case TG_CMD_COUNT:
4044                 if( goi.argc != 0 ){
4045                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4046                         return JIM_ERR;
4047                 }
4048                 Jim_SetResult( goi.interp,
4049                                            Jim_NewIntObj( goi.interp, max_target_number()));
4050                 return JIM_OK;
4051         }
4052
4053         return JIM_ERR;
4054 }
4055
4056
4057 struct FastLoad
4058 {
4059         u32 address;
4060         u8 *data;
4061         int length;
4062
4063 };
4064
4065 static int fastload_num;
4066 static struct FastLoad *fastload;
4067
4068 static void free_fastload(void)
4069 {
4070         if (fastload!=NULL)
4071         {
4072                 int i;
4073                 for (i=0; i<fastload_num; i++)
4074                 {
4075                         if (fastload[i].data)
4076                                 free(fastload[i].data);
4077                 }
4078                 free(fastload);
4079                 fastload=NULL;
4080         }
4081 }
4082
4083
4084
4085
4086 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4087 {
4088         u8 *buffer;
4089         u32 buf_cnt;
4090         u32 image_size;
4091         u32 min_address=0;
4092         u32 max_address=0xffffffff;
4093         int i;
4094         int retval;
4095
4096         image_t image;
4097
4098         duration_t duration;
4099         char *duration_text;
4100
4101         if ((argc < 1)||(argc > 5))
4102         {
4103                 return ERROR_COMMAND_SYNTAX_ERROR;
4104         }
4105
4106         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4107         if (argc >= 2)
4108         {
4109                 image.base_address_set = 1;
4110                 image.base_address = strtoul(args[1], NULL, 0);
4111         }
4112         else
4113         {
4114                 image.base_address_set = 0;
4115         }
4116
4117
4118         image.start_address_set = 0;
4119
4120         if (argc>=4)
4121         {
4122                 min_address=strtoul(args[3], NULL, 0);
4123         }
4124         if (argc>=5)
4125         {
4126                 max_address=strtoul(args[4], NULL, 0)+min_address;
4127         }
4128
4129         if (min_address>max_address)
4130         {
4131                 return ERROR_COMMAND_SYNTAX_ERROR;
4132         }
4133
4134         duration_start_measure(&duration);
4135
4136         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4137         {
4138                 return ERROR_OK;
4139         }
4140
4141         image_size = 0x0;
4142         retval = ERROR_OK;
4143         fastload_num=image.num_sections;
4144         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4145         if (fastload==NULL)
4146         {
4147                 image_close(&image);
4148                 return ERROR_FAIL;
4149         }
4150         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4151         for (i = 0; i < image.num_sections; i++)
4152         {
4153                 buffer = malloc(image.sections[i].size);
4154                 if (buffer == NULL)
4155                 {
4156                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4157                         break;
4158                 }
4159
4160                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4161                 {
4162                         free(buffer);
4163                         break;
4164                 }
4165
4166                 u32 offset=0;
4167                 u32 length=buf_cnt;
4168
4169
4170                 /* DANGER!!! beware of unsigned comparision here!!! */
4171
4172                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4173                                 (image.sections[i].base_address<max_address))
4174                 {
4175                         if (image.sections[i].base_address<min_address)
4176                         {
4177                                 /* clip addresses below */
4178                                 offset+=min_address-image.sections[i].base_address;
4179                                 length-=offset;
4180                         }
4181
4182                         if (image.sections[i].base_address+buf_cnt>max_address)
4183                         {
4184                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4185                         }
4186
4187                         fastload[i].address=image.sections[i].base_address+offset;
4188                         fastload[i].data=malloc(length);
4189                         if (fastload[i].data==NULL)
4190                         {
4191                                 free(buffer);
4192                                 break;
4193                         }
4194                         memcpy(fastload[i].data, buffer+offset, length);
4195                         fastload[i].length=length;
4196
4197                         image_size += length;
4198                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4199                 }
4200
4201                 free(buffer);
4202         }
4203
4204         duration_stop_measure(&duration, &duration_text);
4205         if (retval==ERROR_OK)
4206         {
4207                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4208                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4209         }
4210         free(duration_text);
4211
4212         image_close(&image);
4213
4214         if (retval!=ERROR_OK)
4215         {
4216                 free_fastload();
4217         }
4218
4219         return retval;
4220 }
4221
4222 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4223 {
4224         if (argc>0)
4225                 return ERROR_COMMAND_SYNTAX_ERROR;
4226         if (fastload==NULL)
4227         {
4228                 LOG_ERROR("No image in memory");
4229                 return ERROR_FAIL;
4230         }
4231         int i;
4232         int ms=timeval_ms();
4233         int size=0;
4234         int retval=ERROR_OK;
4235         for (i=0; i<fastload_num;i++)
4236         {
4237                 target_t *target = get_current_target(cmd_ctx);
4238                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4239                 if (retval==ERROR_OK)
4240                 {
4241                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4242                 }
4243                 size+=fastload[i].length;
4244         }
4245         int after=timeval_ms();
4246         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4247         return retval;
4248 }