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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "target.h"
  37 #include "target_request.h"
  38 #include "time_support.h"
  39 #include "register.h"
  40 #include "trace.h"
  41 #include "image.h"
  42 #include "jtag.h"
  43
  44 #include <inttypes.h>
  45
  46
  47 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  48
  49 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  50 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  51 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  52 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  53 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  55 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  56 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  57 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  58 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  59 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  60 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  61 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  63 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  68 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71
  72 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  73 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  74 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  75
  76 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  77 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  78
  79 /* targets */
  80 extern target_type_t arm7tdmi_target;
  81 extern target_type_t arm720t_target;
  82 extern target_type_t arm9tdmi_target;
  83 extern target_type_t arm920t_target;
  84 extern target_type_t arm966e_target;
  85 extern target_type_t arm926ejs_target;
  86 extern target_type_t feroceon_target;
  87 extern target_type_t xscale_target;
  88 extern target_type_t cortexm3_target;
  89 extern target_type_t cortexa8_target;
  90 extern target_type_t arm11_target;
  91 extern target_type_t mips_m4k_target;
  92 extern target_type_t avr_target;
  93
  94 target_type_t *target_types[] =
  95 {
  96         &arm7tdmi_target,
  97         &arm9tdmi_target,
  98         &arm920t_target,
  99         &arm720t_target,
 100         &arm966e_target,
 101         &arm926ejs_target,
 102         &feroceon_target,
 103         &xscale_target,
 104         &cortexm3_target,
 105         &cortexa8_target,
 106         &arm11_target,
 107         &mips_m4k_target,
 108         &avr_target,
 109         NULL,
 110 };
 111
 112 target_t *all_targets = NULL;
 113 target_event_callback_t *target_event_callbacks = NULL;
 114 target_timer_callback_t *target_timer_callbacks = NULL;
 115
 116 const Jim_Nvp nvp_assert[] = {
 117         { .name = "assert", NVP_ASSERT },
 118         { .name = "deassert", NVP_DEASSERT },
 119         { .name = "T", NVP_ASSERT },
 120         { .name = "F", NVP_DEASSERT },
 121         { .name = "t", NVP_ASSERT },
 122         { .name = "f", NVP_DEASSERT },
 123         { .name = NULL, .value = -1 }
 124 };
 125
 126 const Jim_Nvp nvp_error_target[] = {
 127         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 128         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 129         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 130         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 131         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 132         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 133         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 134         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 135         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 136         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 137         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 138         { .value = -1, .name = NULL }
 139 };
 140
 141 const char *target_strerror_safe( int err )
 142 {
 143         const Jim_Nvp *n;
 144
 145         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 146         if( n->name == NULL ){
 147                 return "unknown";
 148         } else {
 149                 return n->name;
 150         }
 151 }
 152
 153 static const Jim_Nvp nvp_target_event[] = {
 154         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 155         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 156
 157         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 158         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 159         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 160         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 161         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 162
 163         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 164         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 165
 166         /* historical name */
 167
 168         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 169
 170         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 171         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 172         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 173         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 174         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 175         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 176         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 177         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 178         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 179         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 180
 181         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 182         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 183
 184         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 185         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 186
 187         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 188         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 189
 190         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 191         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 192
 193         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 194         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 195
 196         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 197         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 198         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 199
 200         { .name = NULL, .value = -1 }
 201 };
 202
 203 const Jim_Nvp nvp_target_state[] = {
 204         { .name = "unknown", .value = TARGET_UNKNOWN },
 205         { .name = "running", .value = TARGET_RUNNING },
 206         { .name = "halted",  .value = TARGET_HALTED },
 207         { .name = "reset",   .value = TARGET_RESET },
 208         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 209         { .name = NULL, .value = -1 },
 210 };
 211
 212 const Jim_Nvp nvp_target_debug_reason [] = {
 213         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 214         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 215         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 216         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 217         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 218         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 219         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 220         { .name = NULL, .value = -1 },
 221 };
 222
 223 const Jim_Nvp nvp_target_endian[] = {
 224         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 225         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 226         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 227         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 228         { .name = NULL,     .value = -1 },
 229 };
 230
 231 const Jim_Nvp nvp_reset_modes[] = {
 232         { .name = "unknown", .value = RESET_UNKNOWN },
 233         { .name = "run"    , .value = RESET_RUN },
 234         { .name = "halt"   , .value = RESET_HALT },
 235         { .name = "init"   , .value = RESET_INIT },
 236         { .name = NULL     , .value = -1 },
 237 };
 238
 239 static int max_target_number(void)
 240 {
 241         target_t *t;
 242         int x;
 243
 244         x = -1;
 245         t = all_targets;
 246         while( t ){
 247                 if( x < t->target_number ){
 248                         x = (t->target_number)+1;
 249                 }
 250                 t = t->next;
 251         }
 252         return x;
 253 }
 254
 255 /* determine the number of the new target */
 256 static int new_target_number(void)
 257 {
 258         target_t *t;
 259         int x;
 260
 261         /* number is 0 based */
 262         x = -1;
 263         t = all_targets;
 264         while(t){
 265                 if( x < t->target_number ){
 266                         x = t->target_number;
 267                 }
 268                 t = t->next;
 269         }
 270         return x+1;
 271 }
 272
 273 static int target_continous_poll = 1;
 274
 275 /* read a u32 from a buffer in target memory endianness */
 276 u32 target_buffer_get_u32(target_t *target, const u8 *buffer)
 277 {
 278         if (target->endianness == TARGET_LITTLE_ENDIAN)
 279                 return le_to_h_u32(buffer);
 280         else
 281                 return be_to_h_u32(buffer);
 282 }
 283
 284 /* read a u16 from a buffer in target memory endianness */
 285 u16 target_buffer_get_u16(target_t *target, const u8 *buffer)
 286 {
 287         if (target->endianness == TARGET_LITTLE_ENDIAN)
 288                 return le_to_h_u16(buffer);
 289         else
 290                 return be_to_h_u16(buffer);
 291 }
 292
 293 /* read a u8 from a buffer in target memory endianness */
 294 u8 target_buffer_get_u8(target_t *target, const u8 *buffer)
 295 {
 296         return *buffer & 0x0ff;
 297 }
 298
 299 /* write a u32 to a buffer in target memory endianness */
 300 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 301 {
 302         if (target->endianness == TARGET_LITTLE_ENDIAN)
 303                 h_u32_to_le(buffer, value);
 304         else
 305                 h_u32_to_be(buffer, value);
 306 }
 307
 308 /* write a u16 to a buffer in target memory endianness */
 309 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 310 {
 311         if (target->endianness == TARGET_LITTLE_ENDIAN)
 312                 h_u16_to_le(buffer, value);
 313         else
 314                 h_u16_to_be(buffer, value);
 315 }
 316
 317 /* write a u8 to a buffer in target memory endianness */
 318 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 319 {
 320         *buffer = value;
 321 }
 322
 323 /* return a pointer to a configured target; id is name or number */
 324 target_t *get_target(const char *id)
 325 {
 326         target_t *target;
 327         char *endptr;
 328         int num;
 329
 330         /* try as tcltarget name */
 331         for (target = all_targets; target; target = target->next) {
 332                 if (target->cmd_name == NULL)
 333                         continue;
 334                 if (strcmp(id, target->cmd_name) == 0)
 335                         return target;
 336         }
 337
 338         /* no match, try as number */
 339         num = strtoul(id, &endptr, 0);
 340         if (*endptr != 0)
 341                 return NULL;
 342
 343         for (target = all_targets; target; target = target->next) {
 344                 if (target->target_number == num)
 345                         return target;
 346         }
 347
 348         return NULL;
 349 }
 350
 351 /* returns a pointer to the n-th configured target */
 352 static target_t *get_target_by_num(int num)
 353 {
 354         target_t *target = all_targets;
 355
 356         while (target){
 357                 if( target->target_number == num ){
 358                         return target;
 359                 }
 360                 target = target->next;
 361         }
 362
 363         return NULL;
 364 }
 365
 366 int get_num_by_target(target_t *query_target)
 367 {
 368         return query_target->target_number;
 369 }
 370
 371 target_t* get_current_target(command_context_t *cmd_ctx)
 372 {
 373         target_t *target = get_target_by_num(cmd_ctx->current_target);
 374
 375         if (target == NULL)
 376         {
 377                 LOG_ERROR("BUG: current_target out of bounds");
 378                 exit(-1);
 379         }
 380
 381         return target;
 382 }
 383
 384 int target_poll(struct target_s *target)
 385 {
 386         /* We can't poll until after examine */
 387         if (!target_was_examined(target))
 388         {
 389                 /* Fail silently lest we pollute the log */
 390                 return ERROR_FAIL;
 391         }
 392         return target->type->poll(target);
 393 }
 394
 395 int target_halt(struct target_s *target)
 396 {
 397         /* We can't poll until after examine */
 398         if (!target_was_examined(target))
 399         {
 400                 LOG_ERROR("Target not examined yet");
 401                 return ERROR_FAIL;
 402         }
 403         return target->type->halt(target);
 404 }
 405
 406 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 407 {
 408         int retval;
 409
 410         /* We can't poll until after examine */
 411         if (!target_was_examined(target))
 412         {
 413                 LOG_ERROR("Target not examined yet");
 414                 return ERROR_FAIL;
 415         }
 416
 417         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 418          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 419          * the application.
 420          */
 421         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 422                 return retval;
 423
 424         return retval;
 425 }
 426
 427 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 428 {
 429         char buf[100];
 430         int retval;
 431         Jim_Nvp *n;
 432         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 433         if( n->name == NULL ){
 434                 LOG_ERROR("invalid reset mode");
 435                 return ERROR_FAIL;
 436         }
 437
 438         sprintf( buf, "ocd_process_reset %s", n->name );
 439         retval = Jim_Eval( interp, buf );
 440
 441         if(retval != JIM_OK) {
 442                 Jim_PrintErrorMessage(interp);
 443                 return ERROR_FAIL;
 444         }
 445
 446         /* We want any events to be processed before the prompt */
 447         retval = target_call_timer_callbacks_now();
 448
 449         return retval;
 450 }
 451
 452 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 453 {
 454         *physical = virtual;
 455         return ERROR_OK;
 456 }
 457
 458 static int default_mmu(struct target_s *target, int *enabled)
 459 {
 460         *enabled = 0;
 461         return ERROR_OK;
 462 }
 463
 464 static int default_examine(struct target_s *target)
 465 {
 466         target_set_examined(target);
 467         return ERROR_OK;
 468 }
 469
 470 /* Targets that correctly implement init+examine, i.e.
 471  * no communication with target during init:
 472  *
 473  * XScale
 474  */
 475 int target_examine(void)
 476 {
 477         int retval = ERROR_OK;
 478         target_t *target = all_targets;
 479         while (target)
 480         {
 481                 if ((retval = target->type->examine(target))!=ERROR_OK)
 482                         return retval;
 483                 target = target->next;
 484         }
 485         return retval;
 486 }
 487 const char *target_get_name(struct target_s *target)
 488 {
 489         return target->type->name;
 490 }
 491
 492 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 493 {
 494         if (!target_was_examined(target))
 495         {
 496                 LOG_ERROR("Target not examined yet");
 497                 return ERROR_FAIL;
 498         }
 499         return target->type->write_memory_imp(target, address, size, count, buffer);
 500 }
 501
 502 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 503 {
 504         if (!target_was_examined(target))
 505         {
 506                 LOG_ERROR("Target not examined yet");
 507                 return ERROR_FAIL;
 508         }
 509         return target->type->read_memory_imp(target, address, size, count, buffer);
 510 }
 511
 512 static int target_soft_reset_halt_imp(struct target_s *target)
 513 {
 514         if (!target_was_examined(target))
 515         {
 516                 LOG_ERROR("Target not examined yet");
 517                 return ERROR_FAIL;
 518         }
 519         return target->type->soft_reset_halt_imp(target);
 520 }
 521
 522 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)
 523 {
 524         if (!target_was_examined(target))
 525         {
 526                 LOG_ERROR("Target not examined yet");
 527                 return ERROR_FAIL;
 528         }
 529         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);
 530 }
 531
 532 int target_read_memory(struct target_s *target,
 533                 u32 address, u32 size, u32 count, u8 *buffer)
 534 {
 535         return target->type->read_memory(target, address, size, count, buffer);
 536 }
 537
 538 int target_write_memory(struct target_s *target,
 539                 u32 address, u32 size, u32 count, u8 *buffer)
 540 {
 541         return target->type->write_memory(target, address, size, count, buffer);
 542 }
 543 int target_bulk_write_memory(struct target_s *target,
 544                 u32 address, u32 count, u8 *buffer)
 545 {
 546         return target->type->bulk_write_memory(target, address, count, buffer);
 547 }
 548
 549 int target_add_breakpoint(struct target_s *target,
 550                 struct breakpoint_s *breakpoint)
 551 {
 552         return target->type->add_breakpoint(target, breakpoint);
 553 }
 554 int target_remove_breakpoint(struct target_s *target,
 555                 struct breakpoint_s *breakpoint)
 556 {
 557         return target->type->remove_breakpoint(target, breakpoint);
 558 }
 559
 560 int target_add_watchpoint(struct target_s *target,
 561                 struct watchpoint_s *watchpoint)
 562 {
 563         return target->type->add_watchpoint(target, watchpoint);
 564 }
 565 int target_remove_watchpoint(struct target_s *target,
 566                 struct watchpoint_s *watchpoint)
 567 {
 568         return target->type->remove_watchpoint(target, watchpoint);
 569 }
 570
 571 int target_get_gdb_reg_list(struct target_s *target,
 572                 struct reg_s **reg_list[], int *reg_list_size)
 573 {
 574         return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
 575 }
 576 int target_step(struct target_s *target,
 577                 int current, u32 address, int handle_breakpoints)
 578 {
 579         return target->type->step(target, current, address, handle_breakpoints);
 580 }
 581
 582
 583 int target_run_algorithm(struct target_s *target,
 584                 int num_mem_params, mem_param_t *mem_params,
 585                 int num_reg_params, reg_param_t *reg_param,
 586                 u32 entry_point, u32 exit_point,
 587                 int timeout_ms, void *arch_info)
 588 {
 589         return target->type->run_algorithm(target,
 590                         num_mem_params, mem_params, num_reg_params, reg_param,
 591                         entry_point, exit_point, timeout_ms, arch_info);
 592 }
 593
 594 /// @returns @c true if the target has been examined.
 595 bool target_was_examined(struct target_s *target)
 596 {
 597         return target->type->examined;
 598 }
 599 /// Sets the @c examined flag for the given target.
 600 void target_set_examined(struct target_s *target)
 601 {
 602         target->type->examined = true;
 603 }
 604 // Reset the @c examined flag for the given target.
 605 void target_reset_examined(struct target_s *target)
 606 {
 607         target->type->examined = false;
 608 }
 609
 610
 611 int target_init(struct command_context_s *cmd_ctx)
 612 {
 613         target_t *target = all_targets;
 614         int retval;
 615
 616         while (target)
 617         {
 618                 target_reset_examined(target);
 619                 if (target->type->examine == NULL)
 620                 {
 621                         target->type->examine = default_examine;
 622                 }
 623
 624                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 625                 {
 626                         LOG_ERROR("target '%s' init failed", target_get_name(target));
 627                         return retval;
 628                 }
 629
 630                 /* Set up default functions if none are provided by target */
 631                 if (target->type->virt2phys == NULL)
 632                 {
 633                         target->type->virt2phys = default_virt2phys;
 634                 }
 635                 target->type->virt2phys = default_virt2phys;
 636                 /* a non-invasive way(in terms of patches) to add some code that
 637                  * runs before the type->write/read_memory implementation
 638                  */
 639                 target->type->write_memory_imp = target->type->write_memory;
 640                 target->type->write_memory = target_write_memory_imp;
 641                 target->type->read_memory_imp = target->type->read_memory;
 642                 target->type->read_memory = target_read_memory_imp;
 643                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 644                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 645                 target->type->run_algorithm_imp = target->type->run_algorithm;
 646                 target->type->run_algorithm = target_run_algorithm_imp;
 647
 648                 if (target->type->mmu == NULL)
 649                 {
 650                         target->type->mmu = default_mmu;
 651                 }
 652                 target = target->next;
 653         }
 654
 655         if (all_targets)
 656         {
 657                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 658                         return retval;
 659                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 660                         return retval;
 661         }
 662
 663         return ERROR_OK;
 664 }
 665
 666 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 667 {
 668         target_event_callback_t **callbacks_p = &target_event_callbacks;
 669
 670         if (callback == NULL)
 671         {
 672                 return ERROR_INVALID_ARGUMENTS;
 673         }
 674
 675         if (*callbacks_p)
 676         {
 677                 while ((*callbacks_p)->next)
 678                         callbacks_p = &((*callbacks_p)->next);
 679                 callbacks_p = &((*callbacks_p)->next);
 680         }
 681
 682         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 683         (*callbacks_p)->callback = callback;
 684         (*callbacks_p)->priv = priv;
 685         (*callbacks_p)->next = NULL;
 686
 687         return ERROR_OK;
 688 }
 689
 690 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 691 {
 692         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 693         struct timeval now;
 694
 695         if (callback == NULL)
 696         {
 697                 return ERROR_INVALID_ARGUMENTS;
 698         }
 699
 700         if (*callbacks_p)
 701         {
 702                 while ((*callbacks_p)->next)
 703                         callbacks_p = &((*callbacks_p)->next);
 704                 callbacks_p = &((*callbacks_p)->next);
 705         }
 706
 707         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 708         (*callbacks_p)->callback = callback;
 709         (*callbacks_p)->periodic = periodic;
 710         (*callbacks_p)->time_ms = time_ms;
 711
 712         gettimeofday(&now, NULL);
 713         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 714         time_ms -= (time_ms % 1000);
 715         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 716         if ((*callbacks_p)->when.tv_usec > 1000000)
 717         {
 718                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 719                 (*callbacks_p)->when.tv_sec += 1;
 720         }
 721
 722         (*callbacks_p)->priv = priv;
 723         (*callbacks_p)->next = NULL;
 724
 725         return ERROR_OK;
 726 }
 727
 728 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 729 {
 730         target_event_callback_t **p = &target_event_callbacks;
 731         target_event_callback_t *c = target_event_callbacks;
 732
 733         if (callback == NULL)
 734         {
 735                 return ERROR_INVALID_ARGUMENTS;
 736         }
 737
 738         while (c)
 739         {
 740                 target_event_callback_t *next = c->next;
 741                 if ((c->callback == callback) && (c->priv == priv))
 742                 {
 743                         *p = next;
 744                         free(c);
 745                         return ERROR_OK;
 746                 }
 747                 else
 748                         p = &(c->next);
 749                 c = next;
 750         }
 751
 752         return ERROR_OK;
 753 }
 754
 755 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 756 {
 757         target_timer_callback_t **p = &target_timer_callbacks;
 758         target_timer_callback_t *c = target_timer_callbacks;
 759
 760         if (callback == NULL)
 761         {
 762                 return ERROR_INVALID_ARGUMENTS;
 763         }
 764
 765         while (c)
 766         {
 767                 target_timer_callback_t *next = c->next;
 768                 if ((c->callback == callback) && (c->priv == priv))
 769                 {
 770                         *p = next;
 771                         free(c);
 772                         return ERROR_OK;
 773                 }
 774                 else
 775                         p = &(c->next);
 776                 c = next;
 777         }
 778
 779         return ERROR_OK;
 780 }
 781
 782 int target_call_event_callbacks(target_t *target, enum target_event event)
 783 {
 784         target_event_callback_t *callback = target_event_callbacks;
 785         target_event_callback_t *next_callback;
 786
 787         if (event == TARGET_EVENT_HALTED)
 788         {
 789                 /* execute early halted first */
 790                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 791         }
 792
 793         LOG_DEBUG("target event %i (%s)",
 794                           event,
 795                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 796
 797         target_handle_event( target, event );
 798
 799         while (callback)
 800         {
 801                 next_callback = callback->next;
 802                 callback->callback(target, event, callback->priv);
 803                 callback = next_callback;
 804         }
 805
 806         return ERROR_OK;
 807 }
 808
 809 static int target_call_timer_callbacks_check_time(int checktime)
 810 {
 811         target_timer_callback_t *callback = target_timer_callbacks;
 812         target_timer_callback_t *next_callback;
 813         struct timeval now;
 814
 815         keep_alive();
 816
 817         gettimeofday(&now, NULL);
 818
 819         while (callback)
 820         {
 821                 next_callback = callback->next;
 822
 823                 if ((!checktime&&callback->periodic)||
 824                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 825                                                 || (now.tv_sec > callback->when.tv_sec)))
 826                 {
 827                         if(callback->callback != NULL)
 828                         {
 829                                 callback->callback(callback->priv);
 830                                 if (callback->periodic)
 831                                 {
 832                                         int time_ms = callback->time_ms;
 833                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 834                                         time_ms -= (time_ms % 1000);
 835                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 836                                         if (callback->when.tv_usec > 1000000)
 837                                         {
 838                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 839                                                 callback->when.tv_sec += 1;
 840                                         }
 841                                 }
 842                                 else
 843                                 {
 844                                         int retval;
 845                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 846                                                 return retval;
 847                                 }
 848                         }
 849                 }
 850
 851                 callback = next_callback;
 852         }
 853
 854         return ERROR_OK;
 855 }
 856
 857 int target_call_timer_callbacks(void)
 858 {
 859         return target_call_timer_callbacks_check_time(1);
 860 }
 861
 862 /* invoke periodic callbacks immediately */
 863 int target_call_timer_callbacks_now(void)
 864 {
 865         return target_call_timer_callbacks_check_time(0);
 866 }
 867
 868 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 869 {
 870         working_area_t *c = target->working_areas;
 871         working_area_t *new_wa = NULL;
 872
 873         /* Reevaluate working area address based on MMU state*/
 874         if (target->working_areas == NULL)
 875         {
 876                 int retval;
 877                 int enabled;
 878                 retval = target->type->mmu(target, &enabled);
 879                 if (retval != ERROR_OK)
 880                 {
 881                         return retval;
 882                 }
 883                 if (enabled)
 884                 {
 885                         target->working_area = target->working_area_virt;
 886                 }
 887                 else
 888                 {
 889                         target->working_area = target->working_area_phys;
 890                 }
 891         }
 892
 893         /* only allocate multiples of 4 byte */
 894         if (size % 4)
 895         {
 896                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 897                 size = CEIL(size, 4);
 898         }
 899
 900         /* see if there's already a matching working area */
 901         while (c)
 902         {
 903                 if ((c->free) && (c->size == size))
 904                 {
 905                         new_wa = c;
 906                         break;
 907                 }
 908                 c = c->next;
 909         }
 910
 911         /* if not, allocate a new one */
 912         if (!new_wa)
 913         {
 914                 working_area_t **p = &target->working_areas;
 915                 u32 first_free = target->working_area;
 916                 u32 free_size = target->working_area_size;
 917
 918                 LOG_DEBUG("allocating new working area");
 919
 920                 c = target->working_areas;
 921                 while (c)
 922                 {
 923                         first_free += c->size;
 924                         free_size -= c->size;
 925                         p = &c->next;
 926                         c = c->next;
 927                 }
 928
 929                 if (free_size < size)
 930                 {
 931                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 932                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 933                 }
 934
 935                 new_wa = malloc(sizeof(working_area_t));
 936                 new_wa->next = NULL;
 937                 new_wa->size = size;
 938                 new_wa->address = first_free;
 939
 940                 if (target->backup_working_area)
 941                 {
 942                         int retval;
 943                         new_wa->backup = malloc(new_wa->size);
 944                         if((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 945                         {
 946                                 free(new_wa->backup);
 947                                 free(new_wa);
 948                                 return retval;
 949                         }
 950                 }
 951                 else
 952                 {
 953                         new_wa->backup = NULL;
 954                 }
 955
 956                 /* put new entry in list */
 957                 *p = new_wa;
 958         }
 959
 960         /* mark as used, and return the new (reused) area */
 961         new_wa->free = 0;
 962         *area = new_wa;
 963
 964         /* user pointer */
 965         new_wa->user = area;
 966
 967         return ERROR_OK;
 968 }
 969
 970 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 971 {
 972         if (area->free)
 973                 return ERROR_OK;
 974
 975         if (restore&&target->backup_working_area)
 976         {
 977                 int retval;
 978                 if((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 979                         return retval;
 980         }
 981
 982         area->free = 1;
 983
 984         /* mark user pointer invalid */
 985         *area->user = NULL;
 986         area->user = NULL;
 987
 988         return ERROR_OK;
 989 }
 990
 991 int target_free_working_area(struct target_s *target, working_area_t *area)
 992 {
 993         return target_free_working_area_restore(target, area, 1);
 994 }
 995
 996 /* free resources and restore memory, if restoring memory fails,
 997  * free up resources anyway
 998  */
 999 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1000 {
1001         working_area_t *c = target->working_areas;
1002
1003         while (c)
1004         {
1005                 working_area_t *next = c->next;
1006                 target_free_working_area_restore(target, c, restore);
1007
1008                 if (c->backup)
1009                         free(c->backup);
1010
1011                 free(c);
1012
1013                 c = next;
1014         }
1015
1016         target->working_areas = NULL;
1017 }
1018
1019 void target_free_all_working_areas(struct target_s *target)
1020 {
1021         target_free_all_working_areas_restore(target, 1);
1022 }
1023
1024 int target_register_commands(struct command_context_s *cmd_ctx)
1025 {
1026
1027         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)");
1028
1029
1030
1031
1032         register_jim(cmd_ctx, "target", jim_target, "configure target" );
1033
1034         return ERROR_OK;
1035 }
1036
1037 int target_arch_state(struct target_s *target)
1038 {
1039         int retval;
1040         if (target==NULL)
1041         {
1042                 LOG_USER("No target has been configured");
1043                 return ERROR_OK;
1044         }
1045
1046         LOG_USER("target state: %s",
1047                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
1048
1049         if (target->state!=TARGET_HALTED)
1050                 return ERROR_OK;
1051
1052         retval=target->type->arch_state(target);
1053         return retval;
1054 }
1055
1056 /* Single aligned words are guaranteed to use 16 or 32 bit access
1057  * mode respectively, otherwise data is handled as quickly as
1058  * possible
1059  */
1060 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1061 {
1062         int retval;
1063         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
1064
1065         if (!target_was_examined(target))
1066         {
1067                 LOG_ERROR("Target not examined yet");
1068                 return ERROR_FAIL;
1069         }
1070
1071         if (size == 0) {
1072                 return ERROR_OK;
1073         }
1074
1075         if ((address + size - 1) < address)
1076         {
1077                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1078                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1079                 return ERROR_FAIL;
1080         }
1081
1082         if (((address % 2) == 0) && (size == 2))
1083         {
1084                 return target_write_memory(target, address, 2, 1, buffer);
1085         }
1086
1087         /* handle unaligned head bytes */
1088         if (address % 4)
1089         {
1090                 u32 unaligned = 4 - (address % 4);
1091
1092                 if (unaligned > size)
1093                         unaligned = size;
1094
1095                 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1096                         return retval;
1097
1098                 buffer += unaligned;
1099                 address += unaligned;
1100                 size -= unaligned;
1101         }
1102
1103         /* handle aligned words */
1104         if (size >= 4)
1105         {
1106                 int aligned = size - (size % 4);
1107
1108                 /* use bulk writes above a certain limit. This may have to be changed */
1109                 if (aligned > 128)
1110                 {
1111                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1112                                 return retval;
1113                 }
1114                 else
1115                 {
1116                         if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1117                                 return retval;
1118                 }
1119
1120                 buffer += aligned;
1121                 address += aligned;
1122                 size -= aligned;
1123         }
1124
1125         /* handle tail writes of less than 4 bytes */
1126         if (size > 0)
1127         {
1128                 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1129                         return retval;
1130         }
1131
1132         return ERROR_OK;
1133 }
1134
1135 /* Single aligned words are guaranteed to use 16 or 32 bit access
1136  * mode respectively, otherwise data is handled as quickly as
1137  * possible
1138  */
1139 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1140 {
1141         int retval;
1142         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1143
1144         if (!target_was_examined(target))
1145         {
1146                 LOG_ERROR("Target not examined yet");
1147                 return ERROR_FAIL;
1148         }
1149
1150         if (size == 0) {
1151                 return ERROR_OK;
1152         }
1153
1154         if ((address + size - 1) < address)
1155         {
1156                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1157                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1158                 return ERROR_FAIL;
1159         }
1160
1161         if (((address % 2) == 0) && (size == 2))
1162         {
1163                 return target_read_memory(target, address, 2, 1, buffer);
1164         }
1165
1166         /* handle unaligned head bytes */
1167         if (address % 4)
1168         {
1169                 u32 unaligned = 4 - (address % 4);
1170
1171                 if (unaligned > size)
1172                         unaligned = size;
1173
1174                 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1175                         return retval;
1176
1177                 buffer += unaligned;
1178                 address += unaligned;
1179                 size -= unaligned;
1180         }
1181
1182         /* handle aligned words */
1183         if (size >= 4)
1184         {
1185                 int aligned = size - (size % 4);
1186
1187                 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1188                         return retval;
1189
1190                 buffer += aligned;
1191                 address += aligned;
1192                 size -= aligned;
1193         }
1194
1195         /* handle tail writes of less than 4 bytes */
1196         if (size > 0)
1197         {
1198                 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1199                         return retval;
1200         }
1201
1202         return ERROR_OK;
1203 }
1204
1205 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1206 {
1207         u8 *buffer;
1208         int retval;
1209         u32 i;
1210         u32 checksum = 0;
1211         if (!target_was_examined(target))
1212         {
1213                 LOG_ERROR("Target not examined yet");
1214                 return ERROR_FAIL;
1215         }
1216
1217         if ((retval = target->type->checksum_memory(target, address,
1218                 size, &checksum)) != ERROR_OK)
1219         {
1220                 buffer = malloc(size);
1221                 if (buffer == NULL)
1222                 {
1223                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1224                         return ERROR_INVALID_ARGUMENTS;
1225                 }
1226                 retval = target_read_buffer(target, address, size, buffer);
1227                 if (retval != ERROR_OK)
1228                 {
1229                         free(buffer);
1230                         return retval;
1231                 }
1232
1233                 /* convert to target endianess */
1234                 for (i = 0; i < (size/sizeof(u32)); i++)
1235                 {
1236                         u32 target_data;
1237                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1238                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1239                 }
1240
1241                 retval = image_calculate_checksum( buffer, size, &checksum );
1242                 free(buffer);
1243         }
1244
1245         *crc = checksum;
1246
1247         return retval;
1248 }
1249
1250 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1251 {
1252         int retval;
1253         if (!target_was_examined(target))
1254         {
1255                 LOG_ERROR("Target not examined yet");
1256                 return ERROR_FAIL;
1257         }
1258
1259         if (target->type->blank_check_memory == 0)
1260                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1261
1262         retval = target->type->blank_check_memory(target, address, size, blank);
1263
1264         return retval;
1265 }
1266
1267 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1268 {
1269         u8 value_buf[4];
1270         if (!target_was_examined(target))
1271         {
1272                 LOG_ERROR("Target not examined yet");
1273                 return ERROR_FAIL;
1274         }
1275
1276         int retval = target_read_memory(target, address, 4, 1, value_buf);
1277
1278         if (retval == ERROR_OK)
1279         {
1280                 *value = target_buffer_get_u32(target, value_buf);
1281                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1282         }
1283         else
1284         {
1285                 *value = 0x0;
1286                 LOG_DEBUG("address: 0x%8.8x failed", address);
1287         }
1288
1289         return retval;
1290 }
1291
1292 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1293 {
1294         u8 value_buf[2];
1295         if (!target_was_examined(target))
1296         {
1297                 LOG_ERROR("Target not examined yet");
1298                 return ERROR_FAIL;
1299         }
1300
1301         int retval = target_read_memory(target, address, 2, 1, value_buf);
1302
1303         if (retval == ERROR_OK)
1304         {
1305                 *value = target_buffer_get_u16(target, value_buf);
1306                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1307         }
1308         else
1309         {
1310                 *value = 0x0;
1311                 LOG_DEBUG("address: 0x%8.8x failed", address);
1312         }
1313
1314         return retval;
1315 }
1316
1317 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1318 {
1319         int retval = target_read_memory(target, address, 1, 1, value);
1320         if (!target_was_examined(target))
1321         {
1322                 LOG_ERROR("Target not examined yet");
1323                 return ERROR_FAIL;
1324         }
1325
1326         if (retval == ERROR_OK)
1327         {
1328                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1329         }
1330         else
1331         {
1332                 *value = 0x0;
1333                 LOG_DEBUG("address: 0x%8.8x failed", address);
1334         }
1335
1336         return retval;
1337 }
1338
1339 int target_write_u32(struct target_s *target, u32 address, u32 value)
1340 {
1341         int retval;
1342         u8 value_buf[4];
1343         if (!target_was_examined(target))
1344         {
1345                 LOG_ERROR("Target not examined yet");
1346                 return ERROR_FAIL;
1347         }
1348
1349         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1350
1351         target_buffer_set_u32(target, value_buf, value);
1352         if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1353         {
1354                 LOG_DEBUG("failed: %i", retval);
1355         }
1356
1357         return retval;
1358 }
1359
1360 int target_write_u16(struct target_s *target, u32 address, u16 value)
1361 {
1362         int retval;
1363         u8 value_buf[2];
1364         if (!target_was_examined(target))
1365         {
1366                 LOG_ERROR("Target not examined yet");
1367                 return ERROR_FAIL;
1368         }
1369
1370         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1371
1372         target_buffer_set_u16(target, value_buf, value);
1373         if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1374         {
1375                 LOG_DEBUG("failed: %i", retval);
1376         }
1377
1378         return retval;
1379 }
1380
1381 int target_write_u8(struct target_s *target, u32 address, u8 value)
1382 {
1383         int retval;
1384         if (!target_was_examined(target))
1385         {
1386                 LOG_ERROR("Target not examined yet");
1387                 return ERROR_FAIL;
1388         }
1389
1390         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1391
1392         if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1393         {
1394                 LOG_DEBUG("failed: %i", retval);
1395         }
1396
1397         return retval;
1398 }
1399
1400 int target_register_user_commands(struct command_context_s *cmd_ctx)
1401 {
1402         int retval = ERROR_OK;
1403
1404
1405         /* script procedures */
1406         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1407         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>");
1408         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>");
1409
1410         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1411                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1412
1413         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1414                         "loads active fast load image to current target - mainly for profiling purposes");
1415
1416
1417         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1418         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1419         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1420         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1421         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1422         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1423         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1424         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1425         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1426
1427         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1428         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1429         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1430
1431         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1432         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1433         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1434
1435         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1436         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1437         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1438         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1439
1440         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]");
1441         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1442         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1443         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1444
1445         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1446                 return retval;
1447         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1448                 return retval;
1449
1450         return retval;
1451 }
1452
1453 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1454 {
1455         target_t *target = all_targets;
1456
1457         if (argc == 1)
1458         {
1459                 target = get_target(args[0]);
1460                 if (target == NULL) {
1461                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1462                         goto DumpTargets;
1463                 }
1464
1465                 cmd_ctx->current_target = target->target_number;
1466                 return ERROR_OK;
1467         }
1468 DumpTargets:
1469
1470         target = all_targets;
1471         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1472         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1473         while (target)
1474         {
1475                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1476                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1477                                           target->target_number,
1478                                           target->cmd_name,
1479                                           target_get_name(target),
1480                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1481                                           target->tap->abs_chain_position,
1482                                           target->tap->dotted_name,
1483                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1484                 target = target->next;
1485         }
1486
1487         return ERROR_OK;
1488 }
1489
1490 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1491
1492 static int powerDropout;
1493 static int srstAsserted;
1494
1495 static int runPowerRestore;
1496 static int runPowerDropout;
1497 static int runSrstAsserted;
1498 static int runSrstDeasserted;
1499
1500 static int sense_handler(void)
1501 {
1502         static int prevSrstAsserted = 0;
1503         static int prevPowerdropout = 0;
1504
1505         int retval;
1506         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1507                 return retval;
1508
1509         int powerRestored;
1510         powerRestored = prevPowerdropout && !powerDropout;
1511         if (powerRestored)
1512         {
1513                 runPowerRestore = 1;
1514         }
1515
1516         long long current = timeval_ms();
1517         static long long lastPower = 0;
1518         int waitMore = lastPower + 2000 > current;
1519         if (powerDropout && !waitMore)
1520         {
1521                 runPowerDropout = 1;
1522                 lastPower = current;
1523         }
1524
1525         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1526                 return retval;
1527
1528         int srstDeasserted;
1529         srstDeasserted = prevSrstAsserted && !srstAsserted;
1530
1531         static long long lastSrst = 0;
1532         waitMore = lastSrst + 2000 > current;
1533         if (srstDeasserted && !waitMore)
1534         {
1535                 runSrstDeasserted = 1;
1536                 lastSrst = current;
1537         }
1538
1539         if (!prevSrstAsserted && srstAsserted)
1540         {
1541                 runSrstAsserted = 1;
1542         }
1543
1544         prevSrstAsserted = srstAsserted;
1545         prevPowerdropout = powerDropout;
1546
1547         if (srstDeasserted || powerRestored)
1548         {
1549                 /* Other than logging the event we can't do anything here.
1550                  * Issuing a reset is a particularly bad idea as we might
1551                  * be inside a reset already.
1552                  */
1553         }
1554
1555         return ERROR_OK;
1556 }
1557
1558 /* process target state changes */
1559 int handle_target(void *priv)
1560 {
1561         int retval = ERROR_OK;
1562
1563         /* we do not want to recurse here... */
1564         static int recursive = 0;
1565         if (! recursive)
1566         {
1567                 recursive = 1;
1568                 sense_handler();
1569                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1570                  * We need to avoid an infinite loop/recursion here and we do that by
1571                  * clearing the flags after running these events.
1572                  */
1573                 int did_something = 0;
1574                 if (runSrstAsserted)
1575                 {
1576                         Jim_Eval( interp, "srst_asserted");
1577                         did_something = 1;
1578                 }
1579                 if (runSrstDeasserted)
1580                 {
1581                         Jim_Eval( interp, "srst_deasserted");
1582                         did_something = 1;
1583                 }
1584                 if (runPowerDropout)
1585                 {
1586                         Jim_Eval( interp, "power_dropout");
1587                         did_something = 1;
1588                 }
1589                 if (runPowerRestore)
1590                 {
1591                         Jim_Eval( interp, "power_restore");
1592                         did_something = 1;
1593                 }
1594
1595                 if (did_something)
1596                 {
1597                         /* clear detect flags */
1598                         sense_handler();
1599                 }
1600
1601                 /* clear action flags */
1602
1603                 runSrstAsserted=0;
1604                 runSrstDeasserted=0;
1605                 runPowerRestore=0;
1606                 runPowerDropout=0;
1607
1608                 recursive = 0;
1609         }
1610
1611         target_t *target = all_targets;
1612
1613         while (target)
1614         {
1615
1616                 /* only poll target if we've got power and srst isn't asserted */
1617                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1618                 {
1619                         /* polling may fail silently until the target has been examined */
1620                         if((retval = target_poll(target)) != ERROR_OK)
1621                                 return retval;
1622                 }
1623
1624                 target = target->next;
1625         }
1626
1627         return retval;
1628 }
1629
1630 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1631 {
1632         target_t *target;
1633         reg_t *reg = NULL;
1634         int count = 0;
1635         char *value;
1636
1637         LOG_DEBUG("-");
1638
1639         target = get_current_target(cmd_ctx);
1640
1641         /* list all available registers for the current target */
1642         if (argc == 0)
1643         {
1644                 reg_cache_t *cache = target->reg_cache;
1645
1646                 count = 0;
1647                 while(cache)
1648                 {
1649                         int i;
1650                         for (i = 0; i < cache->num_regs; i++)
1651                         {
1652                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1653                                 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);
1654                                 free(value);
1655                         }
1656                         cache = cache->next;
1657                 }
1658
1659                 return ERROR_OK;
1660         }
1661
1662         /* access a single register by its ordinal number */
1663         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1664         {
1665                 int num = strtoul(args[0], NULL, 0);
1666                 reg_cache_t *cache = target->reg_cache;
1667
1668                 count = 0;
1669                 while(cache)
1670                 {
1671                         int i;
1672                         for (i = 0; i < cache->num_regs; i++)
1673                         {
1674                                 if (count++ == num)
1675                                 {
1676                                         reg = &cache->reg_list[i];
1677                                         break;
1678                                 }
1679                         }
1680                         if (reg)
1681                                 break;
1682                         cache = cache->next;
1683                 }
1684
1685                 if (!reg)
1686                 {
1687                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1688                         return ERROR_OK;
1689                 }
1690         } else /* access a single register by its name */
1691         {
1692                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1693
1694                 if (!reg)
1695                 {
1696                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1697                         return ERROR_OK;
1698                 }
1699         }
1700
1701         /* display a register */
1702         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1703         {
1704                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1705                         reg->valid = 0;
1706
1707                 if (reg->valid == 0)
1708                 {
1709                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1710                         arch_type->get(reg);
1711                 }
1712                 value = buf_to_str(reg->value, reg->size, 16);
1713                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1714                 free(value);
1715                 return ERROR_OK;
1716         }
1717
1718         /* set register value */
1719         if (argc == 2)
1720         {
1721                 u8 *buf = malloc(CEIL(reg->size, 8));
1722                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1723
1724                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1725                 arch_type->set(reg, buf);
1726
1727                 value = buf_to_str(reg->value, reg->size, 16);
1728                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1729                 free(value);
1730
1731                 free(buf);
1732
1733                 return ERROR_OK;
1734         }
1735
1736         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1737
1738         return ERROR_OK;
1739 }
1740
1741 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1742 {
1743         int retval = ERROR_OK;
1744         target_t *target = get_current_target(cmd_ctx);
1745
1746         if (argc == 0)
1747         {
1748                 if((retval = target_poll(target)) != ERROR_OK)
1749                         return retval;
1750                 if((retval = target_arch_state(target)) != ERROR_OK)
1751                         return retval;
1752
1753         }
1754         else if (argc==1)
1755         {
1756                 if (strcmp(args[0], "on") == 0)
1757                 {
1758                         target_continous_poll = 1;
1759                 }
1760                 else if (strcmp(args[0], "off") == 0)
1761                 {
1762                         target_continous_poll = 0;
1763                 }
1764                 else
1765                 {
1766                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1767                 }
1768         } else
1769         {
1770                 return ERROR_COMMAND_SYNTAX_ERROR;
1771         }
1772
1773         return retval;
1774 }
1775
1776 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1777 {
1778         int ms = 5000;
1779
1780         if (argc > 0)
1781         {
1782                 char *end;
1783
1784                 ms = strtoul(args[0], &end, 0) * 1000;
1785                 if (*end)
1786                 {
1787                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1788                         return ERROR_OK;
1789                 }
1790         }
1791         target_t *target = get_current_target(cmd_ctx);
1792
1793         return target_wait_state(target, TARGET_HALTED, ms);
1794 }
1795
1796 /* wait for target state to change. The trick here is to have a low
1797  * latency for short waits and not to suck up all the CPU time
1798  * on longer waits.
1799  *
1800  * After 500ms, keep_alive() is invoked
1801  */
1802 int target_wait_state(target_t *target, enum target_state state, int ms)
1803 {
1804         int retval;
1805         long long then=0, cur;
1806         int once=1;
1807
1808         for (;;)
1809         {
1810                 if ((retval=target_poll(target))!=ERROR_OK)
1811                         return retval;
1812                 if (target->state == state)
1813                 {
1814                         break;
1815                 }
1816                 cur = timeval_ms();
1817                 if (once)
1818                 {
1819                         once=0;
1820                         then = timeval_ms();
1821                         LOG_DEBUG("waiting for target %s...",
1822                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1823                 }
1824
1825                 if (cur-then>500)
1826                 {
1827                         keep_alive();
1828                 }
1829
1830                 if ((cur-then)>ms)
1831                 {
1832                         LOG_ERROR("timed out while waiting for target %s",
1833                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1834                         return ERROR_FAIL;
1835                 }
1836         }
1837
1838         return ERROR_OK;
1839 }
1840
1841 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1842 {
1843         int retval;
1844         target_t *target = get_current_target(cmd_ctx);
1845
1846         LOG_DEBUG("-");
1847
1848         if ((retval = target_halt(target)) != ERROR_OK)
1849         {
1850                 return retval;
1851         }
1852
1853         if (argc == 1)
1854         {
1855                 int wait;
1856                 char *end;
1857
1858                 wait = strtoul(args[0], &end, 0);
1859                 if (!*end && !wait)
1860                         return ERROR_OK;
1861         }
1862
1863         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1864 }
1865
1866 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1867 {
1868         target_t *target = get_current_target(cmd_ctx);
1869
1870         LOG_USER("requesting target halt and executing a soft reset");
1871
1872         target->type->soft_reset_halt(target);
1873
1874         return ERROR_OK;
1875 }
1876
1877 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1878 {
1879         const Jim_Nvp *n;
1880         enum target_reset_mode reset_mode = RESET_RUN;
1881
1882         if (argc >= 1)
1883         {
1884                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1885                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1886                         return ERROR_COMMAND_SYNTAX_ERROR;
1887                 }
1888                 reset_mode = n->value;
1889         }
1890
1891         /* reset *all* targets */
1892         return target_process_reset(cmd_ctx, reset_mode);
1893 }
1894
1895
1896 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1897 {
1898         int retval;
1899         target_t *target = get_current_target(cmd_ctx);
1900
1901         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1902
1903         if (argc == 0)
1904                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1905         else if (argc == 1)
1906                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1907         else
1908         {
1909                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1910         }
1911
1912         return retval;
1913 }
1914
1915 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1916 {
1917         target_t *target = get_current_target(cmd_ctx);
1918
1919         LOG_DEBUG("-");
1920
1921         if (argc == 0)
1922                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1923
1924         if (argc == 1)
1925                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1926
1927         return ERROR_OK;
1928 }
1929
1930 static void handle_md_output(struct command_context_s *cmd_ctx,
1931                 struct target_s *target, u32 address, unsigned size,
1932                 unsigned count, const u8 *buffer)
1933 {
1934         const unsigned line_bytecnt = 32;
1935         unsigned line_modulo = line_bytecnt / size;
1936
1937         char output[line_bytecnt * 4 + 1];
1938         unsigned output_len = 0;
1939
1940         const char *value_fmt;
1941         switch (size) {
1942         case 4: value_fmt = "%8.8x"; break;
1943         case 2: value_fmt = "%4.2x"; break;
1944         case 1: value_fmt = "%2.2x"; break;
1945         default:
1946                 LOG_ERROR("invalid memory read size: %u", size);
1947                 exit(-1);
1948         }
1949
1950         for (unsigned i = 0; i < count; i++)
1951         {
1952                 if (i % line_modulo == 0)
1953                 {
1954                         output_len += snprintf(output + output_len,
1955                                         sizeof(output) - output_len,
1956                                         "0x%8.8x: ", address + (i*size));
1957                 }
1958
1959                 u32 value;
1960                 const u8 *value_ptr = buffer + i * size;
1961                 switch (size) {
1962                 case 4: value = target_buffer_get_u32(target, value_ptr); break;
1963                 case 2: value = target_buffer_get_u16(target, value_ptr); break;
1964                 case 1: value = *value_ptr;
1965                 }
1966                 output_len += snprintf(output + output_len,
1967                                 sizeof(output) - output_len,
1968                                 value_fmt, value);
1969
1970                 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
1971                 {
1972                         command_print(cmd_ctx, "%s", output);
1973                         output_len = 0;
1974                 }
1975         }
1976 }
1977
1978 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1979 {
1980         if (argc < 1)
1981                 return ERROR_COMMAND_SYNTAX_ERROR;
1982
1983         unsigned size = 0;
1984         switch (cmd[2]) {
1985         case 'w': size = 4; break;
1986         case 'h': size = 2; break;
1987         case 'b': size = 1; break;
1988         default: return ERROR_COMMAND_SYNTAX_ERROR;
1989         }
1990
1991         u32 address = strtoul(args[0], NULL, 0);
1992
1993         unsigned count = 1;
1994         if (argc == 2)
1995                 count = strtoul(args[1], NULL, 0);
1996
1997         u8 *buffer = calloc(count, size);
1998
1999         target_t *target = get_current_target(cmd_ctx);
2000         int retval = target_read_memory(target,
2001                                 address, size, count, buffer);
2002         if (ERROR_OK == retval)
2003                 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2004
2005         free(buffer);
2006
2007         return retval;
2008 }
2009
2010 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2011 {
2012         u32 address = 0;
2013         u32 value = 0;
2014         int count = 1;
2015         int i;
2016         int wordsize;
2017         target_t *target = get_current_target(cmd_ctx);
2018         u8 value_buf[4];
2019
2020          if ((argc < 2) || (argc > 3))
2021                 return ERROR_COMMAND_SYNTAX_ERROR;
2022
2023         address = strtoul(args[0], NULL, 0);
2024         value = strtoul(args[1], NULL, 0);
2025         if (argc == 3)
2026                 count = strtoul(args[2], NULL, 0);
2027
2028         switch (cmd[2])
2029         {
2030                 case 'w':
2031                         wordsize = 4;
2032                         target_buffer_set_u32(target, value_buf, value);
2033                         break;
2034                 case 'h':
2035                         wordsize = 2;
2036                         target_buffer_set_u16(target, value_buf, value);
2037                         break;
2038                 case 'b':
2039                         wordsize = 1;
2040                         value_buf[0] = value;
2041                         break;
2042                 default:
2043                         return ERROR_COMMAND_SYNTAX_ERROR;
2044         }
2045         for (i=0; i<count; i++)
2046         {
2047                 int retval = target_write_memory(target,
2048                                 address + i * wordsize, wordsize, 1, value_buf);
2049                 if (ERROR_OK != retval)
2050                         return retval;
2051                 keep_alive();
2052         }
2053
2054         return ERROR_OK;
2055
2056 }
2057
2058 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2059 {
2060         u8 *buffer;
2061         u32 buf_cnt;
2062         u32 image_size;
2063         u32 min_address=0;
2064         u32 max_address=0xffffffff;
2065         int i;
2066         int retval, retvaltemp;
2067
2068         image_t image;
2069
2070         duration_t duration;
2071         char *duration_text;
2072
2073         target_t *target = get_current_target(cmd_ctx);
2074
2075         if ((argc < 1)||(argc > 5))
2076         {
2077                 return ERROR_COMMAND_SYNTAX_ERROR;
2078         }
2079
2080         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2081         if (argc >= 2)
2082         {
2083                 image.base_address_set = 1;
2084                 image.base_address = strtoul(args[1], NULL, 0);
2085         }
2086         else
2087         {
2088                 image.base_address_set = 0;
2089         }
2090
2091
2092         image.start_address_set = 0;
2093
2094         if (argc>=4)
2095         {
2096                 min_address=strtoul(args[3], NULL, 0);
2097         }
2098         if (argc>=5)
2099         {
2100                 max_address=strtoul(args[4], NULL, 0)+min_address;
2101         }
2102
2103         if (min_address>max_address)
2104         {
2105                 return ERROR_COMMAND_SYNTAX_ERROR;
2106         }
2107
2108         duration_start_measure(&duration);
2109
2110         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2111         {
2112                 return ERROR_OK;
2113         }
2114
2115         image_size = 0x0;
2116         retval = ERROR_OK;
2117         for (i = 0; i < image.num_sections; i++)
2118         {
2119                 buffer = malloc(image.sections[i].size);
2120                 if (buffer == NULL)
2121                 {
2122                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2123                         break;
2124                 }
2125
2126                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2127                 {
2128                         free(buffer);
2129                         break;
2130                 }
2131
2132                 u32 offset=0;
2133                 u32 length=buf_cnt;
2134
2135                 /* DANGER!!! beware of unsigned comparision here!!! */
2136
2137                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2138                                 (image.sections[i].base_address<max_address))
2139                 {
2140                         if (image.sections[i].base_address<min_address)
2141                         {
2142                                 /* clip addresses below */
2143                                 offset+=min_address-image.sections[i].base_address;
2144                                 length-=offset;
2145                         }
2146
2147                         if (image.sections[i].base_address+buf_cnt>max_address)
2148                         {
2149                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2150                         }
2151
2152                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2153                         {
2154                                 free(buffer);
2155                                 break;
2156                         }
2157                         image_size += length;
2158                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2159                 }
2160
2161                 free(buffer);
2162         }
2163
2164         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2165         {
2166                 image_close(&image);
2167                 return retvaltemp;
2168         }
2169
2170         if (retval==ERROR_OK)
2171         {
2172                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2173         }
2174         free(duration_text);
2175
2176         image_close(&image);
2177
2178         return retval;
2179
2180 }
2181
2182 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2183 {
2184         fileio_t fileio;
2185
2186         u32 address;
2187         u32 size;
2188         u8 buffer[560];
2189         int retval=ERROR_OK, retvaltemp;
2190
2191         duration_t duration;
2192         char *duration_text;
2193
2194         target_t *target = get_current_target(cmd_ctx);
2195
2196         if (argc != 3)
2197         {
2198                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2199                 return ERROR_OK;
2200         }
2201
2202         address = strtoul(args[1], NULL, 0);
2203         size = strtoul(args[2], NULL, 0);
2204
2205         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2206         {
2207                 return ERROR_OK;
2208         }
2209
2210         duration_start_measure(&duration);
2211
2212         while (size > 0)
2213         {
2214                 u32 size_written;
2215                 u32 this_run_size = (size > 560) ? 560 : size;
2216
2217                 retval = target_read_buffer(target, address, this_run_size, buffer);
2218                 if (retval != ERROR_OK)
2219                 {
2220                         break;
2221                 }
2222
2223                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2224                 if (retval != ERROR_OK)
2225                 {
2226                         break;
2227                 }
2228
2229                 size -= this_run_size;
2230                 address += this_run_size;
2231         }
2232
2233         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2234                 return retvaltemp;
2235
2236         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2237                 return retvaltemp;
2238
2239         if (retval==ERROR_OK)
2240         {
2241                 command_print(cmd_ctx, "dumped %lld byte in %s",
2242                                 fileio.size, duration_text);
2243                 free(duration_text);
2244         }
2245
2246         return retval;
2247 }
2248
2249 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2250 {
2251         u8 *buffer;
2252         u32 buf_cnt;
2253         u32 image_size;
2254         int i;
2255         int retval, retvaltemp;
2256         u32 checksum = 0;
2257         u32 mem_checksum = 0;
2258
2259         image_t image;
2260
2261         duration_t duration;
2262         char *duration_text;
2263
2264         target_t *target = get_current_target(cmd_ctx);
2265
2266         if (argc < 1)
2267         {
2268                 return ERROR_COMMAND_SYNTAX_ERROR;
2269         }
2270
2271         if (!target)
2272         {
2273                 LOG_ERROR("no target selected");
2274                 return ERROR_FAIL;
2275         }
2276
2277         duration_start_measure(&duration);
2278
2279         if (argc >= 2)
2280         {
2281                 image.base_address_set = 1;
2282                 image.base_address = strtoul(args[1], NULL, 0);
2283         }
2284         else
2285         {
2286                 image.base_address_set = 0;
2287                 image.base_address = 0x0;
2288         }
2289
2290         image.start_address_set = 0;
2291
2292         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2293         {
2294                 return retval;
2295         }
2296
2297         image_size = 0x0;
2298         retval=ERROR_OK;
2299         for (i = 0; i < image.num_sections; i++)
2300         {
2301                 buffer = malloc(image.sections[i].size);
2302                 if (buffer == NULL)
2303                 {
2304                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2305                         break;
2306                 }
2307                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2308                 {
2309                         free(buffer);
2310                         break;
2311                 }
2312
2313                 if (verify)
2314                 {
2315                         /* calculate checksum of image */
2316                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2317
2318                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2319                         if( retval != ERROR_OK )
2320                         {
2321                                 free(buffer);
2322                                 break;
2323                         }
2324
2325                         if( checksum != mem_checksum )
2326                         {
2327                                 /* failed crc checksum, fall back to a binary compare */
2328                                 u8 *data;
2329
2330                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2331
2332                                 data = (u8*)malloc(buf_cnt);
2333
2334                                 /* Can we use 32bit word accesses? */
2335                                 int size = 1;
2336                                 int count = buf_cnt;
2337                                 if ((count % 4) == 0)
2338                                 {
2339                                         size *= 4;
2340                                         count /= 4;
2341                                 }
2342                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2343                                 if (retval == ERROR_OK)
2344                                 {
2345                                         u32 t;
2346                                         for (t = 0; t < buf_cnt; t++)
2347                                         {
2348                                                 if (data[t] != buffer[t])
2349                                                 {
2350                                                         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]);
2351                                                         free(data);
2352                                                         free(buffer);
2353                                                         retval=ERROR_FAIL;
2354                                                         goto done;
2355                                                 }
2356                                                 if ((t%16384)==0)
2357                                                 {
2358                                                         keep_alive();
2359                                                 }
2360                                         }
2361                                 }
2362
2363                                 free(data);
2364                         }
2365                 } else
2366                 {
2367                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2368                 }
2369
2370                 free(buffer);
2371                 image_size += buf_cnt;
2372         }
2373 done:
2374
2375         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2376         {
2377                 image_close(&image);
2378                 return retvaltemp;
2379         }
2380
2381         if (retval==ERROR_OK)
2382         {
2383                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2384         }
2385         free(duration_text);
2386
2387         image_close(&image);
2388
2389         return retval;
2390 }
2391
2392 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2393 {
2394         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2395 }
2396
2397 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2398 {
2399         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2400 }
2401
2402 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2403 {
2404         int retval;
2405         target_t *target = get_current_target(cmd_ctx);
2406
2407         if (argc == 0)
2408         {
2409                 breakpoint_t *breakpoint = target->breakpoints;
2410
2411                 while (breakpoint)
2412                 {
2413                         if (breakpoint->type == BKPT_SOFT)
2414                         {
2415                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2416                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2417                                 free(buf);
2418                         }
2419                         else
2420                         {
2421                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2422                         }
2423                         breakpoint = breakpoint->next;
2424                 }
2425         }
2426         else if (argc >= 2)
2427         {
2428                 int hw = BKPT_SOFT;
2429                 u32 length = 0;
2430
2431                 length = strtoul(args[1], NULL, 0);
2432
2433                 if (argc >= 3)
2434                         if (strcmp(args[2], "hw") == 0)
2435                                 hw = BKPT_HARD;
2436
2437                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2438                 {
2439                         LOG_ERROR("Failure setting breakpoints");
2440                 }
2441                 else
2442                 {
2443                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8lx",
2444                                         strtoul(args[0], NULL, 0));
2445                 }
2446         }
2447         else
2448         {
2449                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2450         }
2451
2452         return ERROR_OK;
2453 }
2454
2455 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2456 {
2457         target_t *target = get_current_target(cmd_ctx);
2458
2459         if (argc > 0)
2460                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2461
2462         return ERROR_OK;
2463 }
2464
2465 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2466 {
2467         target_t *target = get_current_target(cmd_ctx);
2468         int retval;
2469
2470         if (argc == 0)
2471         {
2472                 watchpoint_t *watchpoint = target->watchpoints;
2473
2474                 while (watchpoint)
2475                 {
2476                         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);
2477                         watchpoint = watchpoint->next;
2478                 }
2479         }
2480         else if (argc >= 2)
2481         {
2482                 enum watchpoint_rw type = WPT_ACCESS;
2483                 u32 data_value = 0x0;
2484                 u32 data_mask = 0xffffffff;
2485
2486                 if (argc >= 3)
2487                 {
2488                         switch(args[2][0])
2489                         {
2490                                 case 'r':
2491                                         type = WPT_READ;
2492                                         break;
2493                                 case 'w':
2494                                         type = WPT_WRITE;
2495                                         break;
2496                                 case 'a':
2497                                         type = WPT_ACCESS;
2498                                         break;
2499                                 default:
2500                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2501                                         return ERROR_OK;
2502                         }
2503                 }
2504                 if (argc >= 4)
2505                 {
2506                         data_value = strtoul(args[3], NULL, 0);
2507                 }
2508                 if (argc >= 5)
2509                 {
2510                         data_mask = strtoul(args[4], NULL, 0);
2511                 }
2512
2513                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2514                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2515                 {
2516                         LOG_ERROR("Failure setting breakpoints");
2517                 }
2518         }
2519         else
2520         {
2521                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2522         }
2523
2524         return ERROR_OK;
2525 }
2526
2527 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2528 {
2529         target_t *target = get_current_target(cmd_ctx);
2530
2531         if (argc > 0)
2532                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2533
2534         return ERROR_OK;
2535 }
2536
2537 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2538 {
2539         int retval;
2540         target_t *target = get_current_target(cmd_ctx);
2541         u32 va;
2542         u32 pa;
2543
2544         if (argc != 1)
2545         {
2546                 return ERROR_COMMAND_SYNTAX_ERROR;
2547         }
2548         va = strtoul(args[0], NULL, 0);
2549
2550         retval = target->type->virt2phys(target, va, &pa);
2551         if (retval == ERROR_OK)
2552         {
2553                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2554         }
2555         else
2556         {
2557                 /* lower levels will have logged a detailed error which is
2558                  * forwarded to telnet/GDB session.
2559                  */
2560         }
2561         return retval;
2562 }
2563
2564 static void writeData(FILE *f, const void *data, size_t len)
2565 {
2566         size_t written = fwrite(data, len, 1, f);
2567         if (written != len)
2568                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2569 }
2570
2571 static void writeLong(FILE *f, int l)
2572 {
2573         int i;
2574         for (i=0; i<4; i++)
2575         {
2576                 char c=(l>>(i*8))&0xff;
2577                 writeData(f, &c, 1);
2578         }
2579
2580 }
2581
2582 static void writeString(FILE *f, char *s)
2583 {
2584         writeData(f, s, strlen(s));
2585 }
2586
2587 /* Dump a gmon.out histogram file. */
2588 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2589 {
2590         u32 i;
2591         FILE *f=fopen(filename, "w");
2592         if (f==NULL)
2593                 return;
2594         writeString(f, "gmon");
2595         writeLong(f, 0x00000001); /* Version */
2596         writeLong(f, 0); /* padding */
2597         writeLong(f, 0); /* padding */
2598         writeLong(f, 0); /* padding */
2599
2600         u8 zero = 0;  /* GMON_TAG_TIME_HIST */
2601         writeData(f, &zero, 1);
2602
2603         /* figure out bucket size */
2604         u32 min=samples[0];
2605         u32 max=samples[0];
2606         for (i=0; i<sampleNum; i++)
2607         {
2608                 if (min>samples[i])
2609                 {
2610                         min=samples[i];
2611                 }
2612                 if (max<samples[i])
2613                 {
2614                         max=samples[i];
2615                 }
2616         }
2617
2618         int addressSpace=(max-min+1);
2619
2620         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2621         u32 length = addressSpace;
2622         if (length > maxBuckets)
2623         {
2624                 length=maxBuckets;
2625         }
2626         int *buckets=malloc(sizeof(int)*length);
2627         if (buckets==NULL)
2628         {
2629                 fclose(f);
2630                 return;
2631         }
2632         memset(buckets, 0, sizeof(int)*length);
2633         for (i=0; i<sampleNum;i++)
2634         {
2635                 u32 address=samples[i];
2636                 long long a=address-min;
2637                 long long b=length-1;
2638                 long long c=addressSpace-1;
2639                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2640                 buckets[index]++;
2641         }
2642
2643         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2644         writeLong(f, min);                      /* low_pc */
2645         writeLong(f, max);                      /* high_pc */
2646         writeLong(f, length);           /* # of samples */
2647         writeLong(f, 64000000);         /* 64MHz */
2648         writeString(f, "seconds");
2649         for (i=0; i<(15-strlen("seconds")); i++)
2650                 writeData(f, &zero, 1);
2651         writeString(f, "s");
2652
2653         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2654
2655         char *data=malloc(2*length);
2656         if (data!=NULL)
2657         {
2658                 for (i=0; i<length;i++)
2659                 {
2660                         int val;
2661                         val=buckets[i];
2662                         if (val>65535)
2663                         {
2664                                 val=65535;
2665                         }
2666                         data[i*2]=val&0xff;
2667                         data[i*2+1]=(val>>8)&0xff;
2668                 }
2669                 free(buckets);
2670                 writeData(f, data, length * 2);
2671                 free(data);
2672         } else
2673         {
2674                 free(buckets);
2675         }
2676
2677         fclose(f);
2678 }
2679
2680 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2681 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2682 {
2683         target_t *target = get_current_target(cmd_ctx);
2684         struct timeval timeout, now;
2685
2686         gettimeofday(&timeout, NULL);
2687         if (argc!=2)
2688         {
2689                 return ERROR_COMMAND_SYNTAX_ERROR;
2690         }
2691         char *end;
2692         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2693         if (*end)
2694         {
2695                 return ERROR_OK;
2696         }
2697
2698         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2699
2700         static const int maxSample=10000;
2701         u32 *samples=malloc(sizeof(u32)*maxSample);
2702         if (samples==NULL)
2703                 return ERROR_OK;
2704
2705         int numSamples=0;
2706         int retval=ERROR_OK;
2707         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2708         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2709
2710         for (;;)
2711         {
2712                 target_poll(target);
2713                 if (target->state == TARGET_HALTED)
2714                 {
2715                         u32 t=*((u32 *)reg->value);
2716                         samples[numSamples++]=t;
2717                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2718                         target_poll(target);
2719                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2720                 } else if (target->state == TARGET_RUNNING)
2721                 {
2722                         /* We want to quickly sample the PC. */
2723                         if((retval = target_halt(target)) != ERROR_OK)
2724                         {
2725                                 free(samples);
2726                                 return retval;
2727                         }
2728                 } else
2729                 {
2730                         command_print(cmd_ctx, "Target not halted or running");
2731                         retval=ERROR_OK;
2732                         break;
2733                 }
2734                 if (retval!=ERROR_OK)
2735                 {
2736                         break;
2737                 }
2738
2739                 gettimeofday(&now, NULL);
2740                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2741                 {
2742                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2743                         if((retval = target_poll(target)) != ERROR_OK)
2744                         {
2745                                 free(samples);
2746                                 return retval;
2747                         }
2748                         if (target->state == TARGET_HALTED)
2749                         {
2750                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2751                         }
2752                         if((retval = target_poll(target)) != ERROR_OK)
2753                         {
2754                                 free(samples);
2755                                 return retval;
2756                         }
2757                         writeGmon(samples, numSamples, args[1]);
2758                         command_print(cmd_ctx, "Wrote %s", args[1]);
2759                         break;
2760                 }
2761         }
2762         free(samples);
2763
2764         return ERROR_OK;
2765 }
2766
2767 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2768 {
2769         char *namebuf;
2770         Jim_Obj *nameObjPtr, *valObjPtr;
2771         int result;
2772
2773         namebuf = alloc_printf("%s(%d)", varname, idx);
2774         if (!namebuf)
2775                 return JIM_ERR;
2776
2777         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2778         valObjPtr = Jim_NewIntObj(interp, val);
2779         if (!nameObjPtr || !valObjPtr)
2780         {
2781                 free(namebuf);
2782                 return JIM_ERR;
2783         }
2784
2785         Jim_IncrRefCount(nameObjPtr);
2786         Jim_IncrRefCount(valObjPtr);
2787         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2788         Jim_DecrRefCount(interp, nameObjPtr);
2789         Jim_DecrRefCount(interp, valObjPtr);
2790         free(namebuf);
2791         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2792         return result;
2793 }
2794
2795 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2796 {
2797         command_context_t *context;
2798         target_t *target;
2799
2800         context = Jim_GetAssocData(interp, "context");
2801         if (context == NULL)
2802         {
2803                 LOG_ERROR("mem2array: no command context");
2804                 return JIM_ERR;
2805         }
2806         target = get_current_target(context);
2807         if (target == NULL)
2808         {
2809                 LOG_ERROR("mem2array: no current target");
2810                 return JIM_ERR;
2811         }
2812
2813         return  target_mem2array(interp, target, argc-1, argv+1);
2814 }
2815
2816 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2817 {
2818         long l;
2819         u32 width;
2820         int len;
2821         u32 addr;
2822         u32 count;
2823         u32 v;
2824         const char *varname;
2825         u8 buffer[4096];
2826         int  n, e, retval;
2827         u32 i;
2828
2829         /* argv[1] = name of array to receive the data
2830          * argv[2] = desired width
2831          * argv[3] = memory address
2832          * argv[4] = count of times to read
2833          */
2834         if (argc != 4) {
2835                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2836                 return JIM_ERR;
2837         }
2838         varname = Jim_GetString(argv[0], &len);
2839         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2840
2841         e = Jim_GetLong(interp, argv[1], &l);
2842         width = l;
2843         if (e != JIM_OK) {
2844                 return e;
2845         }
2846
2847         e = Jim_GetLong(interp, argv[2], &l);
2848         addr = l;
2849         if (e != JIM_OK) {
2850                 return e;
2851         }
2852         e = Jim_GetLong(interp, argv[3], &l);
2853         len = l;
2854         if (e != JIM_OK) {
2855                 return e;
2856         }
2857         switch (width) {
2858                 case 8:
2859                         width = 1;
2860                         break;
2861                 case 16:
2862                         width = 2;
2863                         break;
2864                 case 32:
2865                         width = 4;
2866                         break;
2867                 default:
2868                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2869                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2870                         return JIM_ERR;
2871         }
2872         if (len == 0) {
2873                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2874                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2875                 return JIM_ERR;
2876         }
2877         if ((addr + (len * width)) < addr) {
2878                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2879                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2880                 return JIM_ERR;
2881         }
2882         /* absurd transfer size? */
2883         if (len > 65536) {
2884                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2885                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2886                 return JIM_ERR;
2887         }
2888
2889         if ((width == 1) ||
2890                 ((width == 2) && ((addr & 1) == 0)) ||
2891                 ((width == 4) && ((addr & 3) == 0))) {
2892                 /* all is well */
2893         } else {
2894                 char buf[100];
2895                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2896                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2897                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2898                 return JIM_ERR;
2899         }
2900
2901         /* Transfer loop */
2902
2903         /* index counter */
2904         n = 0;
2905         /* assume ok */
2906         e = JIM_OK;
2907         while (len) {
2908                 /* Slurp... in buffer size chunks */
2909
2910                 count = len; /* in objects.. */
2911                 if (count > (sizeof(buffer)/width)) {
2912                         count = (sizeof(buffer)/width);
2913                 }
2914
2915                 retval = target_read_memory( target, addr, width, count, buffer );
2916                 if (retval != ERROR_OK) {
2917                         /* BOO !*/
2918                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2919                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2920                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2921                         e = JIM_ERR;
2922                         len = 0;
2923                 } else {
2924                         v = 0; /* shut up gcc */
2925                         for (i = 0 ;i < count ;i++, n++) {
2926                                 switch (width) {
2927                                         case 4:
2928                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2929                                                 break;
2930                                         case 2:
2931                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2932                                                 break;
2933                                         case 1:
2934                                                 v = buffer[i] & 0x0ff;
2935                                                 break;
2936                                 }
2937                                 new_int_array_element(interp, varname, n, v);
2938                         }
2939                         len -= count;
2940                 }
2941         }
2942
2943         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2944
2945         return JIM_OK;
2946 }
2947
2948 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2949 {
2950         char *namebuf;
2951         Jim_Obj *nameObjPtr, *valObjPtr;
2952         int result;
2953         long l;
2954
2955         namebuf = alloc_printf("%s(%d)", varname, idx);
2956         if (!namebuf)
2957                 return JIM_ERR;
2958
2959         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2960         if (!nameObjPtr)
2961         {
2962                 free(namebuf);
2963                 return JIM_ERR;
2964         }
2965
2966         Jim_IncrRefCount(nameObjPtr);
2967         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2968         Jim_DecrRefCount(interp, nameObjPtr);
2969         free(namebuf);
2970         if (valObjPtr == NULL)
2971                 return JIM_ERR;
2972
2973         result = Jim_GetLong(interp, valObjPtr, &l);
2974         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2975         *val = l;
2976         return result;
2977 }
2978
2979 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2980 {
2981         command_context_t *context;
2982         target_t *target;
2983
2984         context = Jim_GetAssocData(interp, "context");
2985         if (context == NULL){
2986                 LOG_ERROR("array2mem: no command context");
2987                 return JIM_ERR;
2988         }
2989         target = get_current_target(context);
2990         if (target == NULL){
2991                 LOG_ERROR("array2mem: no current target");
2992                 return JIM_ERR;
2993         }
2994
2995         return target_array2mem( interp,target, argc-1, argv+1 );
2996 }
2997
2998 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2999 {
3000         long l;
3001         u32 width;
3002         int len;
3003         u32 addr;
3004         u32 count;
3005         u32 v;
3006         const char *varname;
3007         u8 buffer[4096];
3008         int  n, e, retval;
3009         u32 i;
3010
3011         /* argv[1] = name of array to get the data
3012          * argv[2] = desired width
3013          * argv[3] = memory address
3014          * argv[4] = count to write
3015          */
3016         if (argc != 4) {
3017                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3018                 return JIM_ERR;
3019         }
3020         varname = Jim_GetString(argv[0], &len);
3021         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3022
3023         e = Jim_GetLong(interp, argv[1], &l);
3024         width = l;
3025         if (e != JIM_OK) {
3026                 return e;
3027         }
3028
3029         e = Jim_GetLong(interp, argv[2], &l);
3030         addr = l;
3031         if (e != JIM_OK) {
3032                 return e;
3033         }
3034         e = Jim_GetLong(interp, argv[3], &l);
3035         len = l;
3036         if (e != JIM_OK) {
3037                 return e;
3038         }
3039         switch (width) {
3040                 case 8:
3041                         width = 1;
3042                         break;
3043                 case 16:
3044                         width = 2;
3045                         break;
3046                 case 32:
3047                         width = 4;
3048                         break;
3049                 default:
3050                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3051                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
3052                         return JIM_ERR;
3053         }
3054         if (len == 0) {
3055                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3056                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3057                 return JIM_ERR;
3058         }
3059         if ((addr + (len * width)) < addr) {
3060                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3061                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3062                 return JIM_ERR;
3063         }
3064         /* absurd transfer size? */
3065         if (len > 65536) {
3066                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3067                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3068                 return JIM_ERR;
3069         }
3070
3071         if ((width == 1) ||
3072                 ((width == 2) && ((addr & 1) == 0)) ||
3073                 ((width == 4) && ((addr & 3) == 0))) {
3074                 /* all is well */
3075         } else {
3076                 char buf[100];
3077                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3078                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3079                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3080                 return JIM_ERR;
3081         }
3082
3083         /* Transfer loop */
3084
3085         /* index counter */
3086         n = 0;
3087         /* assume ok */
3088         e = JIM_OK;
3089         while (len) {
3090                 /* Slurp... in buffer size chunks */
3091
3092                 count = len; /* in objects.. */
3093                 if (count > (sizeof(buffer)/width)) {
3094                         count = (sizeof(buffer)/width);
3095                 }
3096
3097                 v = 0; /* shut up gcc */
3098                 for (i = 0 ;i < count ;i++, n++) {
3099                         get_int_array_element(interp, varname, n, &v);
3100                         switch (width) {
3101                         case 4:
3102                                 target_buffer_set_u32(target, &buffer[i*width], v);
3103                                 break;
3104                         case 2:
3105                                 target_buffer_set_u16(target, &buffer[i*width], v);
3106                                 break;
3107                         case 1:
3108                                 buffer[i] = v & 0x0ff;
3109                                 break;
3110                         }
3111                 }
3112                 len -= count;
3113
3114                 retval = target_write_memory(target, addr, width, count, buffer);
3115                 if (retval != ERROR_OK) {
3116                         /* BOO !*/
3117                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3118                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3119                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3120                         e = JIM_ERR;
3121                         len = 0;
3122                 }
3123         }
3124
3125         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3126
3127         return JIM_OK;
3128 }
3129
3130 void target_all_handle_event( enum target_event e )
3131 {
3132         target_t *target;
3133
3134         LOG_DEBUG( "**all*targets: event: %d, %s",
3135                         e,
3136                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3137
3138         target = all_targets;
3139         while (target){
3140                 target_handle_event( target, e );
3141                 target = target->next;
3142         }
3143 }
3144
3145 void target_handle_event( target_t *target, enum target_event e )
3146 {
3147         target_event_action_t *teap;
3148         int done;
3149
3150         teap = target->event_action;
3151
3152         done = 0;
3153         while( teap ){
3154                 if( teap->event == e ){
3155                         done = 1;
3156                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3157                                            target->target_number,
3158                                            target->cmd_name,
3159                                            target_get_name(target),
3160                                            e,
3161                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3162                                            Jim_GetString( teap->body, NULL ) );
3163                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3164                         {
3165                                 Jim_PrintErrorMessage(interp);
3166                         }
3167                 }
3168                 teap = teap->next;
3169         }
3170         if( !done ){
3171                 LOG_DEBUG( "event: %d %s - no action",
3172                                    e,
3173                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3174         }
3175 }
3176
3177 enum target_cfg_param {
3178         TCFG_TYPE,
3179         TCFG_EVENT,
3180         TCFG_WORK_AREA_VIRT,
3181         TCFG_WORK_AREA_PHYS,
3182         TCFG_WORK_AREA_SIZE,
3183         TCFG_WORK_AREA_BACKUP,
3184         TCFG_ENDIAN,
3185         TCFG_VARIANT,
3186         TCFG_CHAIN_POSITION,
3187 };
3188
3189 static Jim_Nvp nvp_config_opts[] = {
3190         { .name = "-type",             .value = TCFG_TYPE },
3191         { .name = "-event",            .value = TCFG_EVENT },
3192         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3193         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3194         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3195         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3196         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3197         { .name = "-variant",          .value = TCFG_VARIANT },
3198         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3199
3200         { .name = NULL, .value = -1 }
3201 };
3202
3203 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3204 {
3205         Jim_Nvp *n;
3206         Jim_Obj *o;
3207         jim_wide w;
3208         char *cp;
3209         int e;
3210
3211         /* parse config or cget options ... */
3212         while( goi->argc > 0 ){
3213                 Jim_SetEmptyResult( goi->interp );
3214                 /* Jim_GetOpt_Debug( goi ); */
3215
3216                 if( target->type->target_jim_configure ){
3217                         /* target defines a configure function */
3218                         /* target gets first dibs on parameters */
3219                         e = (*(target->type->target_jim_configure))( target, goi );
3220                         if( e == JIM_OK ){
3221                                 /* more? */
3222                                 continue;
3223                         }
3224                         if( e == JIM_ERR ){
3225                                 /* An error */
3226                                 return e;
3227                         }
3228                         /* otherwise we 'continue' below */
3229                 }
3230                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3231                 if( e != JIM_OK ){
3232                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3233                         return e;
3234                 }
3235                 switch( n->value ){
3236                 case TCFG_TYPE:
3237                         /* not setable */
3238                         if( goi->isconfigure ){
3239                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3240                                 return JIM_ERR;
3241                         } else {
3242                         no_params:
3243                                 if( goi->argc != 0 ){
3244                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3245                                         return JIM_ERR;
3246                                 }
3247                         }
3248                         Jim_SetResultString( goi->interp, target_get_name(target), -1 );
3249                         /* loop for more */
3250                         break;
3251                 case TCFG_EVENT:
3252                         if( goi->argc == 0 ){
3253                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3254                                 return JIM_ERR;
3255                         }
3256
3257                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3258                         if( e != JIM_OK ){
3259                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3260                                 return e;
3261                         }
3262
3263                         if( goi->isconfigure ){
3264                                 if( goi->argc != 1 ){
3265                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3266                                         return JIM_ERR;
3267                                 }
3268                         } else {
3269                                 if( goi->argc != 0 ){
3270                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3271                                         return JIM_ERR;
3272                                 }
3273                         }
3274
3275                         {
3276                                 target_event_action_t *teap;
3277
3278                                 teap = target->event_action;
3279                                 /* replace existing? */
3280                                 while( teap ){
3281                                         if( teap->event == (enum target_event)n->value ){
3282                                                 break;
3283                                         }
3284                                         teap = teap->next;
3285                                 }
3286
3287                                 if( goi->isconfigure ){
3288                                         if( teap == NULL ){
3289                                                 /* create new */
3290                                                 teap = calloc( 1, sizeof(*teap) );
3291                                         }
3292                                         teap->event = n->value;
3293                                         Jim_GetOpt_Obj( goi, &o );
3294                                         if( teap->body ){
3295                                                 Jim_DecrRefCount( interp, teap->body );
3296                                         }
3297                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3298                                         /*
3299                                          * FIXME:
3300                                          *     Tcl/TK - "tk events" have a nice feature.
3301                                          *     See the "BIND" command.
3302                                          *    We should support that here.
3303                                          *     You can specify %X and %Y in the event code.
3304                                          *     The idea is: %T - target name.
3305                                          *     The idea is: %N - target number
3306                                          *     The idea is: %E - event name.
3307                                          */
3308                                         Jim_IncrRefCount( teap->body );
3309
3310                                         /* add to head of event list */
3311                                         teap->next = target->event_action;
3312                                         target->event_action = teap;
3313                                         Jim_SetEmptyResult(goi->interp);
3314                                 } else {
3315                                         /* get */
3316                                         if( teap == NULL ){
3317                                                 Jim_SetEmptyResult( goi->interp );
3318                                         } else {
3319                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3320                                         }
3321                                 }
3322                         }
3323                         /* loop for more */
3324                         break;
3325
3326                 case TCFG_WORK_AREA_VIRT:
3327                         if( goi->isconfigure ){
3328                                 target_free_all_working_areas(target);
3329                                 e = Jim_GetOpt_Wide( goi, &w );
3330                                 if( e != JIM_OK ){
3331                                         return e;
3332                                 }
3333                                 target->working_area_virt = w;
3334                         } else {
3335                                 if( goi->argc != 0 ){
3336                                         goto no_params;
3337                                 }
3338                         }
3339                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3340                         /* loop for more */
3341                         break;
3342
3343                 case TCFG_WORK_AREA_PHYS:
3344                         if( goi->isconfigure ){
3345                                 target_free_all_working_areas(target);
3346                                 e = Jim_GetOpt_Wide( goi, &w );
3347                                 if( e != JIM_OK ){
3348                                         return e;
3349                                 }
3350                                 target->working_area_phys = w;
3351                         } else {
3352                                 if( goi->argc != 0 ){
3353                                         goto no_params;
3354                                 }
3355                         }
3356                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3357                         /* loop for more */
3358                         break;
3359
3360                 case TCFG_WORK_AREA_SIZE:
3361                         if( goi->isconfigure ){
3362                                 target_free_all_working_areas(target);
3363                                 e = Jim_GetOpt_Wide( goi, &w );
3364                                 if( e != JIM_OK ){
3365                                         return e;
3366                                 }
3367                                 target->working_area_size = w;
3368                         } else {
3369                                 if( goi->argc != 0 ){
3370                                         goto no_params;
3371                                 }
3372                         }
3373                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3374                         /* loop for more */
3375                         break;
3376
3377                 case TCFG_WORK_AREA_BACKUP:
3378                         if( goi->isconfigure ){
3379                                 target_free_all_working_areas(target);
3380                                 e = Jim_GetOpt_Wide( goi, &w );
3381                                 if( e != JIM_OK ){
3382                                         return e;
3383                                 }
3384                                 /* make this exactly 1 or 0 */
3385                                 target->backup_working_area = (!!w);
3386                         } else {
3387                                 if( goi->argc != 0 ){
3388                                         goto no_params;
3389                                 }
3390                         }
3391                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3392                         /* loop for more e*/
3393                         break;
3394
3395                 case TCFG_ENDIAN:
3396                         if( goi->isconfigure ){
3397                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3398                                 if( e != JIM_OK ){
3399                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3400                                         return e;
3401                                 }
3402                                 target->endianness = n->value;
3403                         } else {
3404                                 if( goi->argc != 0 ){
3405                                         goto no_params;
3406                                 }
3407                         }
3408                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3409                         if( n->name == NULL ){
3410                                 target->endianness = TARGET_LITTLE_ENDIAN;
3411                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3412                         }
3413                         Jim_SetResultString( goi->interp, n->name, -1 );
3414                         /* loop for more */
3415                         break;
3416
3417                 case TCFG_VARIANT:
3418                         if( goi->isconfigure ){
3419                                 if( goi->argc < 1 ){
3420                                         Jim_SetResult_sprintf( goi->interp,
3421                                                                                    "%s ?STRING?",
3422                                                                                    n->name );
3423                                         return JIM_ERR;
3424                                 }
3425                                 if( target->variant ){
3426                                         free((void *)(target->variant));
3427                                 }
3428                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3429                                 target->variant = strdup(cp);
3430                         } else {
3431                                 if( goi->argc != 0 ){
3432                                         goto no_params;
3433                                 }
3434                         }
3435                         Jim_SetResultString( goi->interp, target->variant,-1 );
3436                         /* loop for more */
3437                         break;
3438                 case TCFG_CHAIN_POSITION:
3439                         if( goi->isconfigure ){
3440                                 Jim_Obj *o;
3441                                 jtag_tap_t *tap;
3442                                 target_free_all_working_areas(target);
3443                                 e = Jim_GetOpt_Obj( goi, &o );
3444                                 if( e != JIM_OK ){
3445                                         return e;
3446                                 }
3447                                 tap = jtag_TapByJimObj( goi->interp, o );
3448                                 if( tap == NULL ){
3449                                         return JIM_ERR;
3450                                 }
3451                                 /* make this exactly 1 or 0 */
3452                                 target->tap = tap;
3453                         } else {
3454                                 if( goi->argc != 0 ){
3455                                         goto no_params;
3456                                 }
3457                         }
3458                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3459                         /* loop for more e*/
3460                         break;
3461                 }
3462         } /* while( goi->argc ) */
3463
3464
3465                 /* done - we return */
3466         return JIM_OK;
3467 }
3468
3469 /** this is the 'tcl' handler for the target specific command */
3470 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3471 {
3472         Jim_GetOptInfo goi;
3473         jim_wide a,b,c;
3474         int x,y,z;
3475         u8  target_buf[32];
3476         Jim_Nvp *n;
3477         target_t *target;
3478         struct command_context_s *cmd_ctx;
3479         int e;
3480
3481         enum {
3482                 TS_CMD_CONFIGURE,
3483                 TS_CMD_CGET,
3484
3485                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3486                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3487                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3488                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3489                 TS_CMD_EXAMINE,
3490                 TS_CMD_POLL,
3491                 TS_CMD_RESET,
3492                 TS_CMD_HALT,
3493                 TS_CMD_WAITSTATE,
3494                 TS_CMD_EVENTLIST,
3495                 TS_CMD_CURSTATE,
3496                 TS_CMD_INVOKE_EVENT,
3497         };
3498
3499         static const Jim_Nvp target_options[] = {
3500                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3501                 { .name = "cget", .value = TS_CMD_CGET },
3502                 { .name = "mww", .value = TS_CMD_MWW },
3503                 { .name = "mwh", .value = TS_CMD_MWH },
3504                 { .name = "mwb", .value = TS_CMD_MWB },
3505                 { .name = "mdw", .value = TS_CMD_MDW },
3506                 { .name = "mdh", .value = TS_CMD_MDH },
3507                 { .name = "mdb", .value = TS_CMD_MDB },
3508                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3509                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3510                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3511                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3512
3513                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3514                 { .name = "arp_poll", .value = TS_CMD_POLL },
3515                 { .name = "arp_reset", .value = TS_CMD_RESET },
3516                 { .name = "arp_halt", .value = TS_CMD_HALT },
3517                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3518                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3519
3520                 { .name = NULL, .value = -1 },
3521         };
3522
3523         /* go past the "command" */
3524         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3525
3526         target = Jim_CmdPrivData( goi.interp );
3527         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3528
3529         /* commands here are in an NVP table */
3530         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3531         if( e != JIM_OK ){
3532                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3533                 return e;
3534         }
3535         /* Assume blank result */
3536         Jim_SetEmptyResult( goi.interp );
3537
3538         switch( n->value ){
3539         case TS_CMD_CONFIGURE:
3540                 if( goi.argc < 2 ){
3541                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3542                         return JIM_ERR;
3543                 }
3544                 goi.isconfigure = 1;
3545                 return target_configure( &goi, target );
3546         case TS_CMD_CGET:
3547                 // some things take params
3548                 if( goi.argc < 1 ){
3549                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3550                         return JIM_ERR;
3551                 }
3552                 goi.isconfigure = 0;
3553                 return target_configure( &goi, target );
3554                 break;
3555         case TS_CMD_MWW:
3556         case TS_CMD_MWH:
3557         case TS_CMD_MWB:
3558                 /* argv[0] = cmd
3559                  * argv[1] = address
3560                  * argv[2] = data
3561                  * argv[3] = optional count.
3562                  */
3563
3564                 if( (goi.argc == 3) || (goi.argc == 4) ){
3565                         /* all is well */
3566                 } else {
3567                 mwx_error:
3568                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3569                         return JIM_ERR;
3570                 }
3571
3572                 e = Jim_GetOpt_Wide( &goi, &a );
3573                 if( e != JIM_OK ){
3574                         goto mwx_error;
3575                 }
3576
3577                 e = Jim_GetOpt_Wide( &goi, &b );
3578                 if( e != JIM_OK ){
3579                         goto mwx_error;
3580                 }
3581                 if( goi.argc ){
3582                         e = Jim_GetOpt_Wide( &goi, &c );
3583                         if( e != JIM_OK ){
3584                                 goto mwx_error;
3585                         }
3586                 } else {
3587                         c = 1;
3588                 }
3589
3590                 switch( n->value ){
3591                 case TS_CMD_MWW:
3592                         target_buffer_set_u32( target, target_buf, b );
3593                         b = 4;
3594                         break;
3595                 case TS_CMD_MWH:
3596                         target_buffer_set_u16( target, target_buf, b );
3597                         b = 2;
3598                         break;
3599                 case TS_CMD_MWB:
3600                         target_buffer_set_u8( target, target_buf, b );
3601                         b = 1;
3602                         break;
3603                 }
3604                 for( x = 0 ; x < c ; x++ ){
3605                         e = target_write_memory( target, a, b, 1, target_buf );
3606                         if( e != ERROR_OK ){
3607                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3608                                 return JIM_ERR;
3609                         }
3610                         /* b = width */
3611                         a = a + b;
3612                 }
3613                 return JIM_OK;
3614                 break;
3615
3616                 /* display */
3617         case TS_CMD_MDW:
3618         case TS_CMD_MDH:
3619         case TS_CMD_MDB:
3620                 /* argv[0] = command
3621                  * argv[1] = address
3622                  * argv[2] = optional count
3623                  */
3624                 if( (goi.argc == 2) || (goi.argc == 3) ){
3625                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3626                         return JIM_ERR;
3627                 }
3628                 e = Jim_GetOpt_Wide( &goi, &a );
3629                 if( e != JIM_OK ){
3630                         return JIM_ERR;
3631                 }
3632                 if( goi.argc ){
3633                         e = Jim_GetOpt_Wide( &goi, &c );
3634                         if( e != JIM_OK ){
3635                                 return JIM_ERR;
3636                         }
3637                 } else {
3638                         c = 1;
3639                 }
3640                 b = 1; /* shut up gcc */
3641                 switch( n->value ){
3642                 case TS_CMD_MDW:
3643                         b =  4;
3644                         break;
3645                 case TS_CMD_MDH:
3646                         b = 2;
3647                         break;
3648                 case TS_CMD_MDB:
3649                         b = 1;
3650                         break;
3651                 }
3652
3653                 /* convert to "bytes" */
3654                 c = c * b;
3655                 /* count is now in 'BYTES' */
3656                 while( c > 0 ){
3657                         y = c;
3658                         if( y > 16 ){
3659                                 y = 16;
3660                         }
3661                         e = target_read_memory( target, a, b, y / b, target_buf );
3662                         if( e != ERROR_OK ){
3663                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3664                                 return JIM_ERR;
3665                         }
3666
3667                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3668                         switch( b ){
3669                         case 4:
3670                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3671                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3672                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3673                                 }
3674                                 for( ; (x < 16) ; x += 4 ){
3675                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3676                                 }
3677                                 break;
3678                         case 2:
3679                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3680                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3681                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3682                                 }
3683                                 for( ; (x < 16) ; x += 2 ){
3684                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3685                                 }
3686                                 break;
3687                         case 1:
3688                         default:
3689                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3690                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3691                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3692                                 }
3693                                 for( ; (x < 16) ; x += 1 ){
3694                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3695                                 }
3696                                 break;
3697                         }
3698                         /* ascii-ify the bytes */
3699                         for( x = 0 ; x < y ; x++ ){
3700                                 if( (target_buf[x] >= 0x20) &&
3701                                         (target_buf[x] <= 0x7e) ){
3702                                         /* good */
3703                                 } else {
3704                                         /* smack it */
3705                                         target_buf[x] = '.';
3706                                 }
3707                         }
3708                         /* space pad  */
3709                         while( x < 16 ){
3710                                 target_buf[x] = ' ';
3711                                 x++;
3712                         }
3713                         /* terminate */
3714                         target_buf[16] = 0;
3715                         /* print - with a newline */
3716                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3717                         /* NEXT... */
3718                         c -= 16;
3719                         a += 16;
3720                 }
3721                 return JIM_OK;
3722         case TS_CMD_MEM2ARRAY:
3723                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3724                 break;
3725         case TS_CMD_ARRAY2MEM:
3726                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3727                 break;
3728         case TS_CMD_EXAMINE:
3729                 if( goi.argc ){
3730                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3731                         return JIM_ERR;
3732                 }
3733                 e = target->type->examine( target );
3734                 if( e != ERROR_OK ){
3735                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3736                         return JIM_ERR;
3737                 }
3738                 return JIM_OK;
3739         case TS_CMD_POLL:
3740                 if( goi.argc ){
3741                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3742                         return JIM_ERR;
3743                 }
3744                 if( !(target_was_examined(target)) ){
3745                         e = ERROR_TARGET_NOT_EXAMINED;
3746                 } else {
3747                         e = target->type->poll( target );
3748                 }
3749                 if( e != ERROR_OK ){
3750                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3751                         return JIM_ERR;
3752                 } else {
3753                         return JIM_OK;
3754                 }
3755                 break;
3756         case TS_CMD_RESET:
3757                 if( goi.argc != 2 ){
3758                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3759                         return JIM_ERR;
3760                 }
3761                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3762                 if( e != JIM_OK ){
3763                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3764                         return e;
3765                 }
3766                 /* the halt or not param */
3767                 e = Jim_GetOpt_Wide( &goi, &a);
3768                 if( e != JIM_OK ){
3769                         return e;
3770                 }
3771                 /* determine if we should halt or not. */
3772                 target->reset_halt = !!a;
3773                 /* When this happens - all workareas are invalid. */
3774                 target_free_all_working_areas_restore(target, 0);
3775
3776                 /* do the assert */
3777                 if( n->value == NVP_ASSERT ){
3778                         target->type->assert_reset( target );
3779                 } else {
3780                         target->type->deassert_reset( target );
3781                 }
3782                 return JIM_OK;
3783         case TS_CMD_HALT:
3784                 if( goi.argc ){
3785                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3786                         return JIM_ERR;
3787                 }
3788                 target->type->halt( target );
3789                 return JIM_OK;
3790         case TS_CMD_WAITSTATE:
3791                 /* params:  <name>  statename timeoutmsecs */
3792                 if( goi.argc != 2 ){
3793                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3794                         return JIM_ERR;
3795                 }
3796                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3797                 if( e != JIM_OK ){
3798                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3799                         return e;
3800                 }
3801                 e = Jim_GetOpt_Wide( &goi, &a );
3802                 if( e != JIM_OK ){
3803                         return e;
3804                 }
3805                 e = target_wait_state( target, n->value, a );
3806                 if( e != ERROR_OK ){
3807                         Jim_SetResult_sprintf( goi.interp,
3808                                                                    "target: %s wait %s fails (%d) %s",
3809                                                                    target->cmd_name,
3810                                                                    n->name,
3811                                                                    e, target_strerror_safe(e) );
3812                         return JIM_ERR;
3813                 } else {
3814                         return JIM_OK;
3815                 }
3816         case TS_CMD_EVENTLIST:
3817                 /* List for human, Events defined for this target.
3818                  * scripts/programs should use 'name cget -event NAME'
3819                  */
3820                 {
3821                         target_event_action_t *teap;
3822                         teap = target->event_action;
3823                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3824                                                    target->target_number,
3825                                                    target->cmd_name );
3826                         command_print( cmd_ctx, "%-25s | Body", "Event");
3827                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3828                         while( teap ){
3829                                 command_print( cmd_ctx,
3830                                                            "%-25s | %s",
3831                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3832                                                            Jim_GetString( teap->body, NULL ) );
3833                                 teap = teap->next;
3834                         }
3835                         command_print( cmd_ctx, "***END***");
3836                         return JIM_OK;
3837                 }
3838         case TS_CMD_CURSTATE:
3839                 if( goi.argc != 0 ){
3840                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3841                         return JIM_ERR;
3842                 }
3843                 Jim_SetResultString( goi.interp,
3844                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3845                 return JIM_OK;
3846         case TS_CMD_INVOKE_EVENT:
3847                 if( goi.argc != 1 ){
3848                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3849                         return JIM_ERR;
3850                 }
3851                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3852                 if( e != JIM_OK ){
3853                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3854                         return e;
3855                 }
3856                 target_handle_event( target, n->value );
3857                 return JIM_OK;
3858         }
3859         return JIM_ERR;
3860 }
3861
3862 static int target_create( Jim_GetOptInfo *goi )
3863 {
3864         Jim_Obj *new_cmd;
3865         Jim_Cmd *cmd;
3866         const char *cp;
3867         char *cp2;
3868         int e;
3869         int x;
3870         target_t *target;
3871         struct command_context_s *cmd_ctx;
3872
3873         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3874         if( goi->argc < 3 ){
3875                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3876                 return JIM_ERR;
3877         }
3878
3879         /* COMMAND */
3880         Jim_GetOpt_Obj( goi, &new_cmd );
3881         /* does this command exist? */
3882         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3883         if( cmd ){
3884                 cp = Jim_GetString( new_cmd, NULL );
3885                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3886                 return JIM_ERR;
3887         }
3888
3889         /* TYPE */
3890         e = Jim_GetOpt_String( goi, &cp2, NULL );
3891         cp = cp2;
3892         /* now does target type exist */
3893         for( x = 0 ; target_types[x] ; x++ ){
3894                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3895                         /* found */
3896                         break;
3897                 }
3898         }
3899         if( target_types[x] == NULL ){
3900                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3901                 for( x = 0 ; target_types[x] ; x++ ){
3902                         if( target_types[x+1] ){
3903                                 Jim_AppendStrings( goi->interp,
3904                                                                    Jim_GetResult(goi->interp),
3905                                                                    target_types[x]->name,
3906                                                                    ", ", NULL);
3907                         } else {
3908                                 Jim_AppendStrings( goi->interp,
3909                                                                    Jim_GetResult(goi->interp),
3910                                                                    " or ",
3911                                                                    target_types[x]->name,NULL );
3912                         }
3913                 }
3914                 return JIM_ERR;
3915         }
3916
3917         /* Create it */
3918         target = calloc(1,sizeof(target_t));
3919         /* set target number */
3920         target->target_number = new_target_number();
3921
3922         /* allocate memory for each unique target type */
3923         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3924
3925         memcpy( target->type, target_types[x], sizeof(target_type_t));
3926
3927         /* will be set by "-endian" */
3928         target->endianness = TARGET_ENDIAN_UNKNOWN;
3929
3930         target->working_area        = 0x0;
3931         target->working_area_size   = 0x0;
3932         target->working_areas       = NULL;
3933         target->backup_working_area = 0;
3934
3935         target->state               = TARGET_UNKNOWN;
3936         target->debug_reason        = DBG_REASON_UNDEFINED;
3937         target->reg_cache           = NULL;
3938         target->breakpoints         = NULL;
3939         target->watchpoints         = NULL;
3940         target->next                = NULL;
3941         target->arch_info           = NULL;
3942
3943         target->display             = 1;
3944
3945         /* initialize trace information */
3946         target->trace_info = malloc(sizeof(trace_t));
3947         target->trace_info->num_trace_points         = 0;
3948         target->trace_info->trace_points_size        = 0;
3949         target->trace_info->trace_points             = NULL;
3950         target->trace_info->trace_history_size       = 0;
3951         target->trace_info->trace_history            = NULL;
3952         target->trace_info->trace_history_pos        = 0;
3953         target->trace_info->trace_history_overflowed = 0;
3954
3955         target->dbgmsg          = NULL;
3956         target->dbg_msg_enabled = 0;
3957
3958         target->endianness = TARGET_ENDIAN_UNKNOWN;
3959
3960         /* Do the rest as "configure" options */
3961         goi->isconfigure = 1;
3962         e = target_configure( goi, target);
3963
3964         if (target->tap == NULL)
3965         {
3966                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
3967                 e=JIM_ERR;
3968         }
3969
3970         if( e != JIM_OK ){
3971                 free( target->type );
3972                 free( target );
3973                 return e;
3974         }
3975
3976         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3977                 /* default endian to little if not specified */
3978                 target->endianness = TARGET_LITTLE_ENDIAN;
3979         }
3980
3981         /* incase variant is not set */
3982         if (!target->variant)
3983                 target->variant = strdup("");
3984
3985         /* create the target specific commands */
3986         if( target->type->register_commands ){
3987                 (*(target->type->register_commands))( cmd_ctx );
3988         }
3989         if( target->type->target_create ){
3990                 (*(target->type->target_create))( target, goi->interp );
3991         }
3992
3993         /* append to end of list */
3994         {
3995                 target_t **tpp;
3996                 tpp = &(all_targets);
3997                 while( *tpp ){
3998                         tpp = &( (*tpp)->next );
3999                 }
4000                 *tpp = target;
4001         }
4002
4003         cp = Jim_GetString( new_cmd, NULL );
4004         target->cmd_name = strdup(cp);
4005
4006         /* now - create the new target name command */
4007         e = Jim_CreateCommand( goi->interp,
4008                                                    /* name */
4009                                                    cp,
4010                                                    tcl_target_func, /* C function */
4011                                                    target, /* private data */
4012                                                    NULL ); /* no del proc */
4013
4014         return e;
4015 }
4016
4017 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
4018 {
4019         int x,r,e;
4020         jim_wide w;
4021         struct command_context_s *cmd_ctx;
4022         target_t *target;
4023         Jim_GetOptInfo goi;
4024         enum tcmd {
4025                 /* TG = target generic */
4026                 TG_CMD_CREATE,
4027                 TG_CMD_TYPES,
4028                 TG_CMD_NAMES,
4029                 TG_CMD_CURRENT,
4030                 TG_CMD_NUMBER,
4031                 TG_CMD_COUNT,
4032         };
4033         const char *target_cmds[] = {
4034                 "create", "types", "names", "current", "number",
4035                 "count",
4036                 NULL /* terminate */
4037         };
4038
4039         LOG_DEBUG("Target command params:");
4040         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4041
4042         cmd_ctx = Jim_GetAssocData( interp, "context" );
4043
4044         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
4045
4046         if( goi.argc == 0 ){
4047                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4048                 return JIM_ERR;
4049         }
4050
4051         /* Jim_GetOpt_Debug( &goi ); */
4052         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
4053         if( r != JIM_OK ){
4054                 return r;
4055         }
4056
4057         switch(x){
4058         default:
4059                 Jim_Panic(goi.interp,"Why am I here?");
4060                 return JIM_ERR;
4061         case TG_CMD_CURRENT:
4062                 if( goi.argc != 0 ){
4063                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
4064                         return JIM_ERR;
4065                 }
4066                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
4067                 return JIM_OK;
4068         case TG_CMD_TYPES:
4069                 if( goi.argc != 0 ){
4070                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4071                         return JIM_ERR;
4072                 }
4073                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4074                 for( x = 0 ; target_types[x] ; x++ ){
4075                         Jim_ListAppendElement( goi.interp,
4076                                                                    Jim_GetResult(goi.interp),
4077                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4078                 }
4079                 return JIM_OK;
4080         case TG_CMD_NAMES:
4081                 if( goi.argc != 0 ){
4082                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4083                         return JIM_ERR;
4084                 }
4085                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4086                 target = all_targets;
4087                 while( target ){
4088                         Jim_ListAppendElement( goi.interp,
4089                                                                    Jim_GetResult(goi.interp),
4090                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4091                         target = target->next;
4092                 }
4093                 return JIM_OK;
4094         case TG_CMD_CREATE:
4095                 if( goi.argc < 3 ){
4096                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4097                         return JIM_ERR;
4098                 }
4099                 return target_create( &goi );
4100                 break;
4101         case TG_CMD_NUMBER:
4102                 if( goi.argc != 1 ){
4103                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4104                         return JIM_ERR;
4105                 }
4106                 e = Jim_GetOpt_Wide( &goi, &w );
4107                 if( e != JIM_OK ){
4108                         return JIM_ERR;
4109                 }
4110                 {
4111                         target_t *t;
4112                         t = get_target_by_num(w);
4113                         if( t == NULL ){
4114                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4115                                 return JIM_ERR;
4116                         }
4117                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4118                         return JIM_OK;
4119                 }
4120         case TG_CMD_COUNT:
4121                 if( goi.argc != 0 ){
4122                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4123                         return JIM_ERR;
4124                 }
4125                 Jim_SetResult( goi.interp,
4126                                            Jim_NewIntObj( goi.interp, max_target_number()));
4127                 return JIM_OK;
4128         }
4129
4130         return JIM_ERR;
4131 }
4132
4133
4134 struct FastLoad
4135 {
4136         u32 address;
4137         u8 *data;
4138         int length;
4139
4140 };
4141
4142 static int fastload_num;
4143 static struct FastLoad *fastload;
4144
4145 static void free_fastload(void)
4146 {
4147         if (fastload!=NULL)
4148         {
4149                 int i;
4150                 for (i=0; i<fastload_num; i++)
4151                 {
4152                         if (fastload[i].data)
4153                                 free(fastload[i].data);
4154                 }
4155                 free(fastload);
4156                 fastload=NULL;
4157         }
4158 }
4159
4160
4161
4162
4163 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4164 {
4165         u8 *buffer;
4166         u32 buf_cnt;
4167         u32 image_size;
4168         u32 min_address=0;
4169         u32 max_address=0xffffffff;
4170         int i;
4171         int retval;
4172
4173         image_t image;
4174
4175         duration_t duration;
4176         char *duration_text;
4177
4178         if ((argc < 1)||(argc > 5))
4179         {
4180                 return ERROR_COMMAND_SYNTAX_ERROR;
4181         }
4182
4183         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4184         if (argc >= 2)
4185         {
4186                 image.base_address_set = 1;
4187                 image.base_address = strtoul(args[1], NULL, 0);
4188         }
4189         else
4190         {
4191                 image.base_address_set = 0;
4192         }
4193
4194
4195         image.start_address_set = 0;
4196
4197         if (argc>=4)
4198         {
4199                 min_address=strtoul(args[3], NULL, 0);
4200         }
4201         if (argc>=5)
4202         {
4203                 max_address=strtoul(args[4], NULL, 0)+min_address;
4204         }
4205
4206         if (min_address>max_address)
4207         {
4208                 return ERROR_COMMAND_SYNTAX_ERROR;
4209         }
4210
4211         duration_start_measure(&duration);
4212
4213         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4214         {
4215                 return ERROR_OK;
4216         }
4217
4218         image_size = 0x0;
4219         retval = ERROR_OK;
4220         fastload_num=image.num_sections;
4221         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4222         if (fastload==NULL)
4223         {
4224                 image_close(&image);
4225                 return ERROR_FAIL;
4226         }
4227         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4228         for (i = 0; i < image.num_sections; i++)
4229         {
4230                 buffer = malloc(image.sections[i].size);
4231                 if (buffer == NULL)
4232                 {
4233                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4234                         break;
4235                 }
4236
4237                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4238                 {
4239                         free(buffer);
4240                         break;
4241                 }
4242
4243                 u32 offset=0;
4244                 u32 length=buf_cnt;
4245
4246
4247                 /* DANGER!!! beware of unsigned comparision here!!! */
4248
4249                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4250                                 (image.sections[i].base_address<max_address))
4251                 {
4252                         if (image.sections[i].base_address<min_address)
4253                         {
4254                                 /* clip addresses below */
4255                                 offset+=min_address-image.sections[i].base_address;
4256                                 length-=offset;
4257                         }
4258
4259                         if (image.sections[i].base_address+buf_cnt>max_address)
4260                         {
4261                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4262                         }
4263
4264                         fastload[i].address=image.sections[i].base_address+offset;
4265                         fastload[i].data=malloc(length);
4266                         if (fastload[i].data==NULL)
4267                         {
4268                                 free(buffer);
4269                                 break;
4270                         }
4271                         memcpy(fastload[i].data, buffer+offset, length);
4272                         fastload[i].length=length;
4273
4274                         image_size += length;
4275                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4276                 }
4277
4278                 free(buffer);
4279         }
4280
4281         duration_stop_measure(&duration, &duration_text);
4282         if (retval==ERROR_OK)
4283         {
4284                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4285                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4286         }
4287         free(duration_text);
4288
4289         image_close(&image);
4290
4291         if (retval!=ERROR_OK)
4292         {
4293                 free_fastload();
4294         }
4295
4296         return retval;
4297 }
4298
4299 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4300 {
4301         if (argc>0)
4302                 return ERROR_COMMAND_SYNTAX_ERROR;
4303         if (fastload==NULL)
4304         {
4305                 LOG_ERROR("No image in memory");
4306                 return ERROR_FAIL;
4307         }
4308         int i;
4309         int ms=timeval_ms();
4310         int size=0;
4311         int retval=ERROR_OK;
4312         for (i=0; i<fastload_num;i++)
4313         {
4314                 target_t *target = get_current_target(cmd_ctx);
4315                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4316                 if (retval==ERROR_OK)
4317                 {
4318                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4319                 }
4320                 size+=fastload[i].length;
4321         }
4322         int after=timeval_ms();
4323         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4324         return retval;
4325 }