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