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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "target.h"
  37 #include "target_request.h"
  38 #include "time_support.h"
  39 #include "register.h"
  40 #include "trace.h"
  41 #include "image.h"
  42 #include "jtag.h"
  43
  44 #include <inttypes.h>
  45
  46
  47 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  48
  49 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  50 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  51 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  52 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  53 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  55 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  56 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  57 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  58 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  59 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  60 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  61 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  63 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  68 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71
  72 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  73 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  74 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  75
  76 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  77 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  78
  79 /* targets */
  80 extern target_type_t arm7tdmi_target;
  81 extern target_type_t arm720t_target;
  82 extern target_type_t arm9tdmi_target;
  83 extern target_type_t arm920t_target;
  84 extern target_type_t arm966e_target;
  85 extern target_type_t arm926ejs_target;
  86 extern target_type_t feroceon_target;
  87 extern target_type_t xscale_target;
  88 extern target_type_t cortexm3_target;
  89 extern target_type_t cortexa8_target;
  90 extern target_type_t arm11_target;
  91 extern target_type_t mips_m4k_target;
  92 extern target_type_t avr_target;
  93
  94 target_type_t *target_types[] =
  95 {
  96         &arm7tdmi_target,
  97         &arm9tdmi_target,
  98         &arm920t_target,
  99         &arm720t_target,
 100         &arm966e_target,
 101         &arm926ejs_target,
 102         &feroceon_target,
 103         &xscale_target,
 104         &cortexm3_target,
 105         &cortexa8_target,
 106         &arm11_target,
 107         &mips_m4k_target,
 108         &avr_target,
 109         NULL,
 110 };
 111
 112 target_t *all_targets = NULL;
 113 target_event_callback_t *target_event_callbacks = NULL;
 114 target_timer_callback_t *target_timer_callbacks = NULL;
 115
 116 const Jim_Nvp nvp_assert[] = {
 117         { .name = "assert", NVP_ASSERT },
 118         { .name = "deassert", NVP_DEASSERT },
 119         { .name = "T", NVP_ASSERT },
 120         { .name = "F", NVP_DEASSERT },
 121         { .name = "t", NVP_ASSERT },
 122         { .name = "f", NVP_DEASSERT },
 123         { .name = NULL, .value = -1 }
 124 };
 125
 126 const Jim_Nvp nvp_error_target[] = {
 127         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 128         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 129         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 130         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 131         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 132         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 133         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 134         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 135         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 136         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 137         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 138         { .value = -1, .name = NULL }
 139 };
 140
 141 const char *target_strerror_safe( int err )
 142 {
 143         const Jim_Nvp *n;
 144
 145         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 146         if( n->name == NULL ){
 147                 return "unknown";
 148         } else {
 149                 return n->name;
 150         }
 151 }
 152
 153 const Jim_Nvp nvp_target_event[] = {
 154         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 155         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 156
 157         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 158         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 159         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 160         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 161         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 162
 163         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 164         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 165
 166         /* historical name */
 167
 168         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 169
 170         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 171         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 172         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 173         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 174         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 175         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 176         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 177         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 178         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 179         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 180
 181         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 182         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 183
 184         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 185         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 186
 187         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 188         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 189
 190         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 191         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 192
 193         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 194         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 195
 196         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 197         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 198         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 199
 200         { .name = NULL, .value = -1 }
 201 };
 202
 203 const Jim_Nvp nvp_target_state[] = {
 204         { .name = "unknown", .value = TARGET_UNKNOWN },
 205         { .name = "running", .value = TARGET_RUNNING },
 206         { .name = "halted",  .value = TARGET_HALTED },
 207         { .name = "reset",   .value = TARGET_RESET },
 208         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 209         { .name = NULL, .value = -1 },
 210 };
 211
 212 const Jim_Nvp nvp_target_debug_reason [] = {
 213         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 214         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 215         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 216         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 217         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 218         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 219         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 220         { .name = NULL, .value = -1 },
 221 };
 222
 223 const Jim_Nvp nvp_target_endian[] = {
 224         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 225         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 226         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 227         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 228         { .name = NULL,     .value = -1 },
 229 };
 230
 231 const Jim_Nvp nvp_reset_modes[] = {
 232         { .name = "unknown", .value = RESET_UNKNOWN },
 233         { .name = "run"    , .value = RESET_RUN },
 234         { .name = "halt"   , .value = RESET_HALT },
 235         { .name = "init"   , .value = RESET_INIT },
 236         { .name = NULL     , .value = -1 },
 237 };
 238
 239 static int max_target_number(void)
 240 {
 241         target_t *t;
 242         int x;
 243
 244         x = -1;
 245         t = all_targets;
 246         while( t ){
 247                 if( x < t->target_number ){
 248                         x = (t->target_number)+1;
 249                 }
 250                 t = t->next;
 251         }
 252         return x;
 253 }
 254
 255 /* determine the number of the new target */
 256 static int new_target_number(void)
 257 {
 258         target_t *t;
 259         int x;
 260
 261         /* number is 0 based */
 262         x = -1;
 263         t = all_targets;
 264         while(t){
 265                 if( x < t->target_number ){
 266                         x = t->target_number;
 267                 }
 268                 t = t->next;
 269         }
 270         return x+1;
 271 }
 272
 273 static int target_continous_poll = 1;
 274
 275 /* read a u32 from a buffer in target memory endianness */
 276 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 277 {
 278         if (target->endianness == TARGET_LITTLE_ENDIAN)
 279                 return le_to_h_u32(buffer);
 280         else
 281                 return be_to_h_u32(buffer);
 282 }
 283
 284 /* read a u16 from a buffer in target memory endianness */
 285 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 286 {
 287         if (target->endianness == TARGET_LITTLE_ENDIAN)
 288                 return le_to_h_u16(buffer);
 289         else
 290                 return be_to_h_u16(buffer);
 291 }
 292
 293 /* read a u8 from a buffer in target memory endianness */
 294 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 295 {
 296         return *buffer & 0x0ff;
 297 }
 298
 299 /* write a u32 to a buffer in target memory endianness */
 300 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 301 {
 302         if (target->endianness == TARGET_LITTLE_ENDIAN)
 303                 h_u32_to_le(buffer, value);
 304         else
 305                 h_u32_to_be(buffer, value);
 306 }
 307
 308 /* write a u16 to a buffer in target memory endianness */
 309 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 310 {
 311         if (target->endianness == TARGET_LITTLE_ENDIAN)
 312                 h_u16_to_le(buffer, value);
 313         else
 314                 h_u16_to_be(buffer, value);
 315 }
 316
 317 /* write a u8 to a buffer in target memory endianness */
 318 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 319 {
 320         *buffer = value;
 321 }
 322
 323 /* returns a pointer to the n-th configured target */
 324 target_t* get_target_by_num(int num)
 325 {
 326         target_t *target = all_targets;
 327
 328         while (target){
 329                 if( target->target_number == num ){
 330                         return target;
 331                 }
 332                 target = target->next;
 333         }
 334
 335         return NULL;
 336 }
 337
 338 int get_num_by_target(target_t *query_target)
 339 {
 340         return query_target->target_number;
 341 }
 342
 343 target_t* get_current_target(command_context_t *cmd_ctx)
 344 {
 345         target_t *target = get_target_by_num(cmd_ctx->current_target);
 346
 347         if (target == NULL)
 348         {
 349                 LOG_ERROR("BUG: current_target out of bounds");
 350                 exit(-1);
 351         }
 352
 353         return target;
 354 }
 355
 356 int target_poll(struct target_s *target)
 357 {
 358         /* We can't poll until after examine */
 359         if (!target->type->examined)
 360         {
 361                 /* Fail silently lest we pollute the log */
 362                 return ERROR_FAIL;
 363         }
 364         return target->type->poll(target);
 365 }
 366
 367 int target_halt(struct target_s *target)
 368 {
 369         /* We can't poll until after examine */
 370         if (!target->type->examined)
 371         {
 372                 LOG_ERROR("Target not examined yet");
 373                 return ERROR_FAIL;
 374         }
 375         return target->type->halt(target);
 376 }
 377
 378 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 379 {
 380         int retval;
 381
 382         /* We can't poll until after examine */
 383         if (!target->type->examined)
 384         {
 385                 LOG_ERROR("Target not examined yet");
 386                 return ERROR_FAIL;
 387         }
 388
 389         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 390          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 391          * the application.
 392          */
 393         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 394                 return retval;
 395
 396         return retval;
 397 }
 398
 399 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 400 {
 401         char buf[100];
 402         int retval;
 403         Jim_Nvp *n;
 404         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 405         if( n->name == NULL ){
 406                 LOG_ERROR("invalid reset mode");
 407                 return ERROR_FAIL;
 408         }
 409
 410         sprintf( buf, "ocd_process_reset %s", n->name );
 411         retval = Jim_Eval( interp, buf );
 412
 413         if(retval != JIM_OK) {
 414                 Jim_PrintErrorMessage(interp);
 415                 return ERROR_FAIL;
 416         }
 417
 418         /* We want any events to be processed before the prompt */
 419         retval = target_call_timer_callbacks_now();
 420
 421         return retval;
 422 }
 423
 424 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 425 {
 426         *physical = virtual;
 427         return ERROR_OK;
 428 }
 429
 430 static int default_mmu(struct target_s *target, int *enabled)
 431 {
 432         *enabled = 0;
 433         return ERROR_OK;
 434 }
 435
 436 static int default_examine(struct target_s *target)
 437 {
 438         target->type->examined = 1;
 439         return ERROR_OK;
 440 }
 441
 442 /* Targets that correctly implement init+examine, i.e.
 443  * no communication with target during init:
 444  *
 445  * XScale
 446  */
 447 int target_examine(void)
 448 {
 449         int retval = ERROR_OK;
 450         target_t *target = all_targets;
 451         while (target)
 452         {
 453                 if ((retval = target->type->examine(target))!=ERROR_OK)
 454                         return retval;
 455                 target = target->next;
 456         }
 457         return retval;
 458 }
 459
 460 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 461 {
 462         if (!target->type->examined)
 463         {
 464                 LOG_ERROR("Target not examined yet");
 465                 return ERROR_FAIL;
 466         }
 467         return target->type->write_memory_imp(target, address, size, count, buffer);
 468 }
 469
 470 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 471 {
 472         if (!target->type->examined)
 473         {
 474                 LOG_ERROR("Target not examined yet");
 475                 return ERROR_FAIL;
 476         }
 477         return target->type->read_memory_imp(target, address, size, count, buffer);
 478 }
 479
 480 static int target_soft_reset_halt_imp(struct target_s *target)
 481 {
 482         if (!target->type->examined)
 483         {
 484                 LOG_ERROR("Target not examined yet");
 485                 return ERROR_FAIL;
 486         }
 487         return target->type->soft_reset_halt_imp(target);
 488 }
 489
 490 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
 491 {
 492         if (!target->type->examined)
 493         {
 494                 LOG_ERROR("Target not examined yet");
 495                 return ERROR_FAIL;
 496         }
 497         return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
 498 }
 499
 500 int target_init(struct command_context_s *cmd_ctx)
 501 {
 502         target_t *target = all_targets;
 503         int retval;
 504
 505         while (target)
 506         {
 507                 target->type->examined = 0;
 508                 if (target->type->examine == NULL)
 509                 {
 510                         target->type->examine = default_examine;
 511                 }
 512
 513                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 514                 {
 515                         LOG_ERROR("target '%s' init failed", target->type->name);
 516                         return retval;
 517                 }
 518
 519                 /* Set up default functions if none are provided by target */
 520                 if (target->type->virt2phys == NULL)
 521                 {
 522                         target->type->virt2phys = default_virt2phys;
 523                 }
 524                 target->type->virt2phys = default_virt2phys;
 525                 /* a non-invasive way(in terms of patches) to add some code that
 526                  * runs before the type->write/read_memory implementation
 527                  */
 528                 target->type->write_memory_imp = target->type->write_memory;
 529                 target->type->write_memory = target_write_memory_imp;
 530                 target->type->read_memory_imp = target->type->read_memory;
 531                 target->type->read_memory = target_read_memory_imp;
 532                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 533                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 534                 target->type->run_algorithm_imp = target->type->run_algorithm;
 535                 target->type->run_algorithm = target_run_algorithm_imp;
 536
 537                 if (target->type->mmu == NULL)
 538                 {
 539                         target->type->mmu = default_mmu;
 540                 }
 541                 target = target->next;
 542         }
 543
 544         if (all_targets)
 545         {
 546                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 547                         return retval;
 548                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 549                         return retval;
 550         }
 551
 552         return ERROR_OK;
 553 }
 554
 555 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 556 {
 557         target_event_callback_t **callbacks_p = &target_event_callbacks;
 558
 559         if (callback == NULL)
 560         {
 561                 return ERROR_INVALID_ARGUMENTS;
 562         }
 563
 564         if (*callbacks_p)
 565         {
 566                 while ((*callbacks_p)->next)
 567                         callbacks_p = &((*callbacks_p)->next);
 568                 callbacks_p = &((*callbacks_p)->next);
 569         }
 570
 571         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 572         (*callbacks_p)->callback = callback;
 573         (*callbacks_p)->priv = priv;
 574         (*callbacks_p)->next = NULL;
 575
 576         return ERROR_OK;
 577 }
 578
 579 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 580 {
 581         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 582         struct timeval now;
 583
 584         if (callback == NULL)
 585         {
 586                 return ERROR_INVALID_ARGUMENTS;
 587         }
 588
 589         if (*callbacks_p)
 590         {
 591                 while ((*callbacks_p)->next)
 592                         callbacks_p = &((*callbacks_p)->next);
 593                 callbacks_p = &((*callbacks_p)->next);
 594         }
 595
 596         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 597         (*callbacks_p)->callback = callback;
 598         (*callbacks_p)->periodic = periodic;
 599         (*callbacks_p)->time_ms = time_ms;
 600
 601         gettimeofday(&now, NULL);
 602         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 603         time_ms -= (time_ms % 1000);
 604         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 605         if ((*callbacks_p)->when.tv_usec > 1000000)
 606         {
 607                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 608                 (*callbacks_p)->when.tv_sec += 1;
 609         }
 610
 611         (*callbacks_p)->priv = priv;
 612         (*callbacks_p)->next = NULL;
 613
 614         return ERROR_OK;
 615 }
 616
 617 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 618 {
 619         target_event_callback_t **p = &target_event_callbacks;
 620         target_event_callback_t *c = target_event_callbacks;
 621
 622         if (callback == NULL)
 623         {
 624                 return ERROR_INVALID_ARGUMENTS;
 625         }
 626
 627         while (c)
 628         {
 629                 target_event_callback_t *next = c->next;
 630                 if ((c->callback == callback) && (c->priv == priv))
 631                 {
 632                         *p = next;
 633                         free(c);
 634                         return ERROR_OK;
 635                 }
 636                 else
 637                         p = &(c->next);
 638                 c = next;
 639         }
 640
 641         return ERROR_OK;
 642 }
 643
 644 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 645 {
 646         target_timer_callback_t **p = &target_timer_callbacks;
 647         target_timer_callback_t *c = target_timer_callbacks;
 648
 649         if (callback == NULL)
 650         {
 651                 return ERROR_INVALID_ARGUMENTS;
 652         }
 653
 654         while (c)
 655         {
 656                 target_timer_callback_t *next = c->next;
 657                 if ((c->callback == callback) && (c->priv == priv))
 658                 {
 659                         *p = next;
 660                         free(c);
 661                         return ERROR_OK;
 662                 }
 663                 else
 664                         p = &(c->next);
 665                 c = next;
 666         }
 667
 668         return ERROR_OK;
 669 }
 670
 671 int target_call_event_callbacks(target_t *target, enum target_event event)
 672 {
 673         target_event_callback_t *callback = target_event_callbacks;
 674         target_event_callback_t *next_callback;
 675
 676         if (event == TARGET_EVENT_HALTED)
 677         {
 678                 /* execute early halted first */
 679                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 680         }
 681
 682         LOG_DEBUG("target event %i (%s)",
 683                           event,
 684                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 685
 686         target_handle_event( target, event );
 687
 688         while (callback)
 689         {
 690                 next_callback = callback->next;
 691                 callback->callback(target, event, callback->priv);
 692                 callback = next_callback;
 693         }
 694
 695         return ERROR_OK;
 696 }
 697
 698 static int target_call_timer_callbacks_check_time(int checktime)
 699 {
 700         target_timer_callback_t *callback = target_timer_callbacks;
 701         target_timer_callback_t *next_callback;
 702         struct timeval now;
 703
 704         keep_alive();
 705
 706         gettimeofday(&now, NULL);
 707
 708         while (callback)
 709         {
 710                 next_callback = callback->next;
 711
 712                 if ((!checktime&&callback->periodic)||
 713                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 714                                                 || (now.tv_sec > callback->when.tv_sec)))
 715                 {
 716                         if(callback->callback != NULL)
 717                         {
 718                                 callback->callback(callback->priv);
 719                                 if (callback->periodic)
 720                                 {
 721                                         int time_ms = callback->time_ms;
 722                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 723                                         time_ms -= (time_ms % 1000);
 724                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 725                                         if (callback->when.tv_usec > 1000000)
 726                                         {
 727                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 728                                                 callback->when.tv_sec += 1;
 729                                         }
 730                                 }
 731                                 else
 732                                 {
 733                                         int retval;
 734                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 735                                                 return retval;
 736                                 }
 737                         }
 738                 }
 739
 740                 callback = next_callback;
 741         }
 742
 743         return ERROR_OK;
 744 }
 745
 746 int target_call_timer_callbacks(void)
 747 {
 748         return target_call_timer_callbacks_check_time(1);
 749 }
 750
 751 /* invoke periodic callbacks immediately */
 752 int target_call_timer_callbacks_now(void)
 753 {
 754         return target_call_timer_callbacks_check_time(0);
 755 }
 756
 757 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 758 {
 759         working_area_t *c = target->working_areas;
 760         working_area_t *new_wa = NULL;
 761
 762         /* Reevaluate working area address based on MMU state*/
 763         if (target->working_areas == NULL)
 764         {
 765                 int retval;
 766                 int enabled;
 767                 retval = target->type->mmu(target, &enabled);
 768                 if (retval != ERROR_OK)
 769                 {
 770                         return retval;
 771                 }
 772                 if (enabled)
 773                 {
 774                         target->working_area = target->working_area_virt;
 775                 }
 776                 else
 777                 {
 778                         target->working_area = target->working_area_phys;
 779                 }
 780         }
 781
 782         /* only allocate multiples of 4 byte */
 783         if (size % 4)
 784         {
 785                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 786                 size = CEIL(size, 4);
 787         }
 788
 789         /* see if there's already a matching working area */
 790         while (c)
 791         {
 792                 if ((c->free) && (c->size == size))
 793                 {
 794                         new_wa = c;
 795                         break;
 796                 }
 797                 c = c->next;
 798         }
 799
 800         /* if not, allocate a new one */
 801         if (!new_wa)
 802         {
 803                 working_area_t **p = &target->working_areas;
 804                 u32 first_free = target->working_area;
 805                 u32 free_size = target->working_area_size;
 806
 807                 LOG_DEBUG("allocating new working area");
 808
 809                 c = target->working_areas;
 810                 while (c)
 811                 {
 812                         first_free += c->size;
 813                         free_size -= c->size;
 814                         p = &c->next;
 815                         c = c->next;
 816                 }
 817
 818                 if (free_size < size)
 819                 {
 820                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 821                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 822                 }
 823
 824                 new_wa = malloc(sizeof(working_area_t));
 825                 new_wa->next = NULL;
 826                 new_wa->size = size;
 827                 new_wa->address = first_free;
 828
 829                 if (target->backup_working_area)
 830                 {
 831                         int retval;
 832                         new_wa->backup = malloc(new_wa->size);
 833                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 834                         {
 835                                 free(new_wa->backup);
 836                                 free(new_wa);
 837                                 return retval;
 838                         }
 839                 }
 840                 else
 841                 {
 842                         new_wa->backup = NULL;
 843                 }
 844
 845                 /* put new entry in list */
 846                 *p = new_wa;
 847         }
 848
 849         /* mark as used, and return the new (reused) area */
 850         new_wa->free = 0;
 851         *area = new_wa;
 852
 853         /* user pointer */
 854         new_wa->user = area;
 855
 856         return ERROR_OK;
 857 }
 858
 859 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 860 {
 861         if (area->free)
 862                 return ERROR_OK;
 863
 864         if (restore&&target->backup_working_area)
 865         {
 866                 int retval;
 867                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 868                         return retval;
 869         }
 870
 871         area->free = 1;
 872
 873         /* mark user pointer invalid */
 874         *area->user = NULL;
 875         area->user = NULL;
 876
 877         return ERROR_OK;
 878 }
 879
 880 int target_free_working_area(struct target_s *target, working_area_t *area)
 881 {
 882         return target_free_working_area_restore(target, area, 1);
 883 }
 884
 885 /* free resources and restore memory, if restoring memory fails,
 886  * free up resources anyway
 887  */
 888 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 889 {
 890         working_area_t *c = target->working_areas;
 891
 892         while (c)
 893         {
 894                 working_area_t *next = c->next;
 895                 target_free_working_area_restore(target, c, restore);
 896
 897                 if (c->backup)
 898                         free(c->backup);
 899
 900                 free(c);
 901
 902                 c = next;
 903         }
 904
 905         target->working_areas = NULL;
 906 }
 907
 908 void target_free_all_working_areas(struct target_s *target)
 909 {
 910         target_free_all_working_areas_restore(target, 1);
 911 }
 912
 913 int target_register_commands(struct command_context_s *cmd_ctx)
 914 {
 915
 916         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, "change the current command line target (one parameter) or lists targets (with no parameter)");
 917
 918
 919
 920
 921         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 922
 923         return ERROR_OK;
 924 }
 925
 926 int target_arch_state(struct target_s *target)
 927 {
 928         int retval;
 929         if (target==NULL)
 930         {
 931                 LOG_USER("No target has been configured");
 932                 return ERROR_OK;
 933         }
 934
 935         LOG_USER("target state: %s",
 936                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 937
 938         if (target->state!=TARGET_HALTED)
 939                 return ERROR_OK;
 940
 941         retval=target->type->arch_state(target);
 942         return retval;
 943 }
 944
 945 /* Single aligned words are guaranteed to use 16 or 32 bit access
 946  * mode respectively, otherwise data is handled as quickly as
 947  * possible
 948  */
 949 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 950 {
 951         int retval;
 952         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 953
 954         if (!target->type->examined)
 955         {
 956                 LOG_ERROR("Target not examined yet");
 957                 return ERROR_FAIL;
 958         }
 959
 960         if ((address + size - 1) < address)
 961         {
 962                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 963                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 964                 return ERROR_FAIL;
 965         }
 966
 967         if (((address % 2) == 0) && (size == 2))
 968         {
 969                 return target->type->write_memory(target, address, 2, 1, buffer);
 970         }
 971
 972         /* handle unaligned head bytes */
 973         if (address % 4)
 974         {
 975                 u32 unaligned = 4 - (address % 4);
 976
 977                 if (unaligned > size)
 978                         unaligned = size;
 979
 980                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 981                         return retval;
 982
 983                 buffer += unaligned;
 984                 address += unaligned;
 985                 size -= unaligned;
 986         }
 987
 988         /* handle aligned words */
 989         if (size >= 4)
 990         {
 991                 int aligned = size - (size % 4);
 992
 993                 /* use bulk writes above a certain limit. This may have to be changed */
 994                 if (aligned > 128)
 995                 {
 996                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
 997                                 return retval;
 998                 }
 999                 else
1000                 {
1001                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1002                                 return retval;
1003                 }
1004
1005                 buffer += aligned;
1006                 address += aligned;
1007                 size -= aligned;
1008         }
1009
1010         /* handle tail writes of less than 4 bytes */
1011         if (size > 0)
1012         {
1013                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1014                         return retval;
1015         }
1016
1017         return ERROR_OK;
1018 }
1019
1020 /* Single aligned words are guaranteed to use 16 or 32 bit access
1021  * mode respectively, otherwise data is handled as quickly as
1022  * possible
1023  */
1024 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1025 {
1026         int retval;
1027         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1028
1029         if (!target->type->examined)
1030         {
1031                 LOG_ERROR("Target not examined yet");
1032                 return ERROR_FAIL;
1033         }
1034
1035         if ((address + size - 1) < address)
1036         {
1037                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1038                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1039                 return ERROR_FAIL;
1040         }
1041
1042         if (((address % 2) == 0) && (size == 2))
1043         {
1044                 return target->type->read_memory(target, address, 2, 1, buffer);
1045         }
1046
1047         /* handle unaligned head bytes */
1048         if (address % 4)
1049         {
1050                 u32 unaligned = 4 - (address % 4);
1051
1052                 if (unaligned > size)
1053                         unaligned = size;
1054
1055                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1056                         return retval;
1057
1058                 buffer += unaligned;
1059                 address += unaligned;
1060                 size -= unaligned;
1061         }
1062
1063         /* handle aligned words */
1064         if (size >= 4)
1065         {
1066                 int aligned = size - (size % 4);
1067
1068                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1069                         return retval;
1070
1071                 buffer += aligned;
1072                 address += aligned;
1073                 size -= aligned;
1074         }
1075
1076         /* handle tail writes of less than 4 bytes */
1077         if (size > 0)
1078         {
1079                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1080                         return retval;
1081         }
1082
1083         return ERROR_OK;
1084 }
1085
1086 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1087 {
1088         u8 *buffer;
1089         int retval;
1090         u32 i;
1091         u32 checksum = 0;
1092         if (!target->type->examined)
1093         {
1094                 LOG_ERROR("Target not examined yet");
1095                 return ERROR_FAIL;
1096         }
1097
1098         if ((retval = target->type->checksum_memory(target, address,
1099                 size, &checksum)) != ERROR_OK)
1100         {
1101                 buffer = malloc(size);
1102                 if (buffer == NULL)
1103                 {
1104                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1105                         return ERROR_INVALID_ARGUMENTS;
1106                 }
1107                 retval = target_read_buffer(target, address, size, buffer);
1108                 if (retval != ERROR_OK)
1109                 {
1110                         free(buffer);
1111                         return retval;
1112                 }
1113
1114                 /* convert to target endianess */
1115                 for (i = 0; i < (size/sizeof(u32)); i++)
1116                 {
1117                         u32 target_data;
1118                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1119                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1120                 }
1121
1122                 retval = image_calculate_checksum( buffer, size, &checksum );
1123                 free(buffer);
1124         }
1125
1126         *crc = checksum;
1127
1128         return retval;
1129 }
1130
1131 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1132 {
1133         int retval;
1134         if (!target->type->examined)
1135         {
1136                 LOG_ERROR("Target not examined yet");
1137                 return ERROR_FAIL;
1138         }
1139
1140         if (target->type->blank_check_memory == 0)
1141                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1142
1143         retval = target->type->blank_check_memory(target, address, size, blank);
1144
1145         return retval;
1146 }
1147
1148 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1149 {
1150         u8 value_buf[4];
1151         if (!target->type->examined)
1152         {
1153                 LOG_ERROR("Target not examined yet");
1154                 return ERROR_FAIL;
1155         }
1156
1157         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1158
1159         if (retval == ERROR_OK)
1160         {
1161                 *value = target_buffer_get_u32(target, value_buf);
1162                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1163         }
1164         else
1165         {
1166                 *value = 0x0;
1167                 LOG_DEBUG("address: 0x%8.8x failed", address);
1168         }
1169
1170         return retval;
1171 }
1172
1173 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1174 {
1175         u8 value_buf[2];
1176         if (!target->type->examined)
1177         {
1178                 LOG_ERROR("Target not examined yet");
1179                 return ERROR_FAIL;
1180         }
1181
1182         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1183
1184         if (retval == ERROR_OK)
1185         {
1186                 *value = target_buffer_get_u16(target, value_buf);
1187                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1188         }
1189         else
1190         {
1191                 *value = 0x0;
1192                 LOG_DEBUG("address: 0x%8.8x failed", address);
1193         }
1194
1195         return retval;
1196 }
1197
1198 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1199 {
1200         int retval = target->type->read_memory(target, address, 1, 1, value);
1201         if (!target->type->examined)
1202         {
1203                 LOG_ERROR("Target not examined yet");
1204                 return ERROR_FAIL;
1205         }
1206
1207         if (retval == ERROR_OK)
1208         {
1209                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1210         }
1211         else
1212         {
1213                 *value = 0x0;
1214                 LOG_DEBUG("address: 0x%8.8x failed", address);
1215         }
1216
1217         return retval;
1218 }
1219
1220 int target_write_u32(struct target_s *target, u32 address, u32 value)
1221 {
1222         int retval;
1223         u8 value_buf[4];
1224         if (!target->type->examined)
1225         {
1226                 LOG_ERROR("Target not examined yet");
1227                 return ERROR_FAIL;
1228         }
1229
1230         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1231
1232         target_buffer_set_u32(target, value_buf, value);
1233         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1234         {
1235                 LOG_DEBUG("failed: %i", retval);
1236         }
1237
1238         return retval;
1239 }
1240
1241 int target_write_u16(struct target_s *target, u32 address, u16 value)
1242 {
1243         int retval;
1244         u8 value_buf[2];
1245         if (!target->type->examined)
1246         {
1247                 LOG_ERROR("Target not examined yet");
1248                 return ERROR_FAIL;
1249         }
1250
1251         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1252
1253         target_buffer_set_u16(target, value_buf, value);
1254         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1255         {
1256                 LOG_DEBUG("failed: %i", retval);
1257         }
1258
1259         return retval;
1260 }
1261
1262 int target_write_u8(struct target_s *target, u32 address, u8 value)
1263 {
1264         int retval;
1265         if (!target->type->examined)
1266         {
1267                 LOG_ERROR("Target not examined yet");
1268                 return ERROR_FAIL;
1269         }
1270
1271         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1272
1273         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1274         {
1275                 LOG_DEBUG("failed: %i", retval);
1276         }
1277
1278         return retval;
1279 }
1280
1281 int target_register_user_commands(struct command_context_s *cmd_ctx)
1282 {
1283         int retval = ERROR_OK;
1284
1285
1286         /* script procedures */
1287         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1288         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
1289         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
1290
1291         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1292                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1293
1294         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1295                         "loads active fast load image to current target - mainly for profiling purposes");
1296
1297
1298         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1299         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1300         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1301         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1302         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1303         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1304         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1305         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1306         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1307
1308         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1309         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1310         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1311
1312         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1313         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1314         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1315
1316         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1317         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1318         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1319         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1320
1321         register_command(cmd_ctx,  NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
1322         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1323         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1324         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1325
1326         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1327                 return retval;
1328         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1329                 return retval;
1330
1331         return retval;
1332 }
1333
1334 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1335 {
1336         char *cp;
1337         target_t *target = all_targets;
1338
1339         if (argc == 1)
1340         {
1341                 /* try as tcltarget name */
1342                 for( target = all_targets ; target ; target = target->next ){
1343                   if( target->cmd_name ){
1344                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1345                                 /* MATCH */
1346                                 goto Match;
1347                         }
1348                   }
1349                 }
1350                 /* no match, try as number */
1351
1352                 int num = strtoul(args[0], &cp, 0 );
1353                 if( *cp != 0 ){
1354                         /* then it was not a number */
1355                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1356                         goto DumpTargets;
1357                 }
1358
1359                 target = get_target_by_num( num );
1360                 if( target == NULL ){
1361                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1362                         goto DumpTargets;
1363                 }
1364         Match:
1365                 cmd_ctx->current_target = target->target_number;
1366                 return ERROR_OK;
1367         }
1368 DumpTargets:
1369
1370         target = all_targets;
1371         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1372         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1373         while (target)
1374         {
1375                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1376                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1377                                           target->target_number,
1378                                           target->cmd_name,
1379                                           target->type->name,
1380                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1381                                           target->tap->abs_chain_position,
1382                                           target->tap->dotted_name,
1383                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1384                 target = target->next;
1385         }
1386
1387         return ERROR_OK;
1388 }
1389
1390 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1391
1392 static int powerDropout;
1393 static int srstAsserted;
1394
1395 static int runPowerRestore;
1396 static int runPowerDropout;
1397 static int runSrstAsserted;
1398 static int runSrstDeasserted;
1399
1400 static int sense_handler(void)
1401 {
1402         static int prevSrstAsserted = 0;
1403         static int prevPowerdropout = 0;
1404
1405         int retval;
1406         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1407                 return retval;
1408
1409         int powerRestored;
1410         powerRestored = prevPowerdropout && !powerDropout;
1411         if (powerRestored)
1412         {
1413                 runPowerRestore = 1;
1414         }
1415
1416         long long current = timeval_ms();
1417         static long long lastPower = 0;
1418         int waitMore = lastPower + 2000 > current;
1419         if (powerDropout && !waitMore)
1420         {
1421                 runPowerDropout = 1;
1422                 lastPower = current;
1423         }
1424
1425         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1426                 return retval;
1427
1428         int srstDeasserted;
1429         srstDeasserted = prevSrstAsserted && !srstAsserted;
1430
1431         static long long lastSrst = 0;
1432         waitMore = lastSrst + 2000 > current;
1433         if (srstDeasserted && !waitMore)
1434         {
1435                 runSrstDeasserted = 1;
1436                 lastSrst = current;
1437         }
1438
1439         if (!prevSrstAsserted && srstAsserted)
1440         {
1441                 runSrstAsserted = 1;
1442         }
1443
1444         prevSrstAsserted = srstAsserted;
1445         prevPowerdropout = powerDropout;
1446
1447         if (srstDeasserted || powerRestored)
1448         {
1449                 /* Other than logging the event we can't do anything here.
1450                  * Issuing a reset is a particularly bad idea as we might
1451                  * be inside a reset already.
1452                  */
1453         }
1454
1455         return ERROR_OK;
1456 }
1457
1458 /* process target state changes */
1459 int handle_target(void *priv)
1460 {
1461         int retval = ERROR_OK;
1462
1463         /* we do not want to recurse here... */
1464         static int recursive = 0;
1465         if (! recursive)
1466         {
1467                 recursive = 1;
1468                 sense_handler();
1469                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1470                  * We need to avoid an infinite loop/recursion here and we do that by
1471                  * clearing the flags after running these events.
1472                  */
1473                 int did_something = 0;
1474                 if (runSrstAsserted)
1475                 {
1476                         Jim_Eval( interp, "srst_asserted");
1477                         did_something = 1;
1478                 }
1479                 if (runSrstDeasserted)
1480                 {
1481                         Jim_Eval( interp, "srst_deasserted");
1482                         did_something = 1;
1483                 }
1484                 if (runPowerDropout)
1485                 {
1486                         Jim_Eval( interp, "power_dropout");
1487                         did_something = 1;
1488                 }
1489                 if (runPowerRestore)
1490                 {
1491                         Jim_Eval( interp, "power_restore");
1492                         did_something = 1;
1493                 }
1494
1495                 if (did_something)
1496                 {
1497                         /* clear detect flags */
1498                         sense_handler();
1499                 }
1500
1501                 /* clear action flags */
1502
1503                 runSrstAsserted=0;
1504                 runSrstDeasserted=0;
1505                 runPowerRestore=0;
1506                 runPowerDropout=0;
1507
1508                 recursive = 0;
1509         }
1510
1511         target_t *target = all_targets;
1512
1513         while (target)
1514         {
1515
1516                 /* only poll target if we've got power and srst isn't asserted */
1517                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1518                 {
1519                         /* polling may fail silently until the target has been examined */
1520                         if((retval = target_poll(target)) != ERROR_OK)
1521                                 return retval;
1522                 }
1523
1524                 target = target->next;
1525         }
1526
1527         return retval;
1528 }
1529
1530 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1531 {
1532         target_t *target;
1533         reg_t *reg = NULL;
1534         int count = 0;
1535         char *value;
1536
1537         LOG_DEBUG("-");
1538
1539         target = get_current_target(cmd_ctx);
1540
1541         /* list all available registers for the current target */
1542         if (argc == 0)
1543         {
1544                 reg_cache_t *cache = target->reg_cache;
1545
1546                 count = 0;
1547                 while(cache)
1548                 {
1549                         int i;
1550                         for (i = 0; i < cache->num_regs; i++)
1551                         {
1552                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1553                                 command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
1554                                 free(value);
1555                         }
1556                         cache = cache->next;
1557                 }
1558
1559                 return ERROR_OK;
1560         }
1561
1562         /* access a single register by its ordinal number */
1563         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1564         {
1565                 int num = strtoul(args[0], NULL, 0);
1566                 reg_cache_t *cache = target->reg_cache;
1567
1568                 count = 0;
1569                 while(cache)
1570                 {
1571                         int i;
1572                         for (i = 0; i < cache->num_regs; i++)
1573                         {
1574                                 if (count++ == num)
1575                                 {
1576                                         reg = &cache->reg_list[i];
1577                                         break;
1578                                 }
1579                         }
1580                         if (reg)
1581                                 break;
1582                         cache = cache->next;
1583                 }
1584
1585                 if (!reg)
1586                 {
1587                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1588                         return ERROR_OK;
1589                 }
1590         } else /* access a single register by its name */
1591         {
1592                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1593
1594                 if (!reg)
1595                 {
1596                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1597                         return ERROR_OK;
1598                 }
1599         }
1600
1601         /* display a register */
1602         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1603         {
1604                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1605                         reg->valid = 0;
1606
1607                 if (reg->valid == 0)
1608                 {
1609                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1610                         arch_type->get(reg);
1611                 }
1612                 value = buf_to_str(reg->value, reg->size, 16);
1613                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1614                 free(value);
1615                 return ERROR_OK;
1616         }
1617
1618         /* set register value */
1619         if (argc == 2)
1620         {
1621                 u8 *buf = malloc(CEIL(reg->size, 8));
1622                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1623
1624                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1625                 arch_type->set(reg, buf);
1626
1627                 value = buf_to_str(reg->value, reg->size, 16);
1628                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1629                 free(value);
1630
1631                 free(buf);
1632
1633                 return ERROR_OK;
1634         }
1635
1636         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1637
1638         return ERROR_OK;
1639 }
1640
1641 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1642 {
1643         int retval = ERROR_OK;
1644         target_t *target = get_current_target(cmd_ctx);
1645
1646         if (argc == 0)
1647         {
1648                 if((retval = target_poll(target)) != ERROR_OK)
1649                         return retval;
1650                 if((retval = target_arch_state(target)) != ERROR_OK)
1651                         return retval;
1652
1653         }
1654         else if (argc==1)
1655         {
1656                 if (strcmp(args[0], "on") == 0)
1657                 {
1658                         target_continous_poll = 1;
1659                 }
1660                 else if (strcmp(args[0], "off") == 0)
1661                 {
1662                         target_continous_poll = 0;
1663                 }
1664                 else
1665                 {
1666                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1667                 }
1668         } else
1669         {
1670                 return ERROR_COMMAND_SYNTAX_ERROR;
1671         }
1672
1673         return retval;
1674 }
1675
1676 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1677 {
1678         int ms = 5000;
1679
1680         if (argc > 0)
1681         {
1682                 char *end;
1683
1684                 ms = strtoul(args[0], &end, 0) * 1000;
1685                 if (*end)
1686                 {
1687                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1688                         return ERROR_OK;
1689                 }
1690         }
1691         target_t *target = get_current_target(cmd_ctx);
1692
1693         return target_wait_state(target, TARGET_HALTED, ms);
1694 }
1695
1696 /* wait for target state to change. The trick here is to have a low
1697  * latency for short waits and not to suck up all the CPU time
1698  * on longer waits.
1699  *
1700  * After 500ms, keep_alive() is invoked
1701  */
1702 int target_wait_state(target_t *target, enum target_state state, int ms)
1703 {
1704         int retval;
1705         long long then=0, cur;
1706         int once=1;
1707
1708         for (;;)
1709         {
1710                 if ((retval=target_poll(target))!=ERROR_OK)
1711                         return retval;
1712                 if (target->state == state)
1713                 {
1714                         break;
1715                 }
1716                 cur = timeval_ms();
1717                 if (once)
1718                 {
1719                         once=0;
1720                         then = timeval_ms();
1721                         LOG_DEBUG("waiting for target %s...",
1722                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1723                 }
1724
1725                 if (cur-then>500)
1726                 {
1727                         keep_alive();
1728                 }
1729
1730                 if ((cur-then)>ms)
1731                 {
1732                         LOG_ERROR("timed out while waiting for target %s",
1733                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1734                         return ERROR_FAIL;
1735                 }
1736         }
1737
1738         return ERROR_OK;
1739 }
1740
1741 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1742 {
1743         int retval;
1744         target_t *target = get_current_target(cmd_ctx);
1745
1746         LOG_DEBUG("-");
1747
1748         if ((retval = target_halt(target)) != ERROR_OK)
1749         {
1750                 return retval;
1751         }
1752
1753         if (argc == 1)
1754         {
1755                 int wait;
1756                 char *end;
1757
1758                 wait = strtoul(args[0], &end, 0);
1759                 if (!*end && !wait)
1760                         return ERROR_OK;
1761         }
1762
1763         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1764 }
1765
1766 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1767 {
1768         target_t *target = get_current_target(cmd_ctx);
1769
1770         LOG_USER("requesting target halt and executing a soft reset");
1771
1772         target->type->soft_reset_halt(target);
1773
1774         return ERROR_OK;
1775 }
1776
1777 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1778 {
1779         const Jim_Nvp *n;
1780         enum target_reset_mode reset_mode = RESET_RUN;
1781
1782         if (argc >= 1)
1783         {
1784                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1785                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1786                         return ERROR_COMMAND_SYNTAX_ERROR;
1787                 }
1788                 reset_mode = n->value;
1789         }
1790
1791         /* reset *all* targets */
1792         return target_process_reset(cmd_ctx, reset_mode);
1793 }
1794
1795
1796 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1797 {
1798         int retval;
1799         target_t *target = get_current_target(cmd_ctx);
1800
1801         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1802
1803         if (argc == 0)
1804                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1805         else if (argc == 1)
1806                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1807         else
1808         {
1809                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1810         }
1811
1812         return retval;
1813 }
1814
1815 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1816 {
1817         target_t *target = get_current_target(cmd_ctx);
1818
1819         LOG_DEBUG("-");
1820
1821         if (argc == 0)
1822                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1823
1824         if (argc == 1)
1825                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1826
1827         return ERROR_OK;
1828 }
1829
1830 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1831 {
1832         const int line_bytecnt = 32;
1833         int count = 1;
1834         int size = 4;
1835         u32 address = 0;
1836         int line_modulo;
1837         int i;
1838
1839         char output[128];
1840         int output_len;
1841
1842         int retval;
1843
1844         u8 *buffer;
1845         target_t *target = get_current_target(cmd_ctx);
1846
1847         if (argc < 1)
1848                 return ERROR_OK;
1849
1850         if (argc == 2)
1851                 count = strtoul(args[1], NULL, 0);
1852
1853         address = strtoul(args[0], NULL, 0);
1854
1855         switch (cmd[2])
1856         {
1857                 case 'w':
1858                         size = 4; line_modulo = line_bytecnt / 4;
1859                         break;
1860                 case 'h':
1861                         size = 2; line_modulo = line_bytecnt / 2;
1862                         break;
1863                 case 'b':
1864                         size = 1; line_modulo = line_bytecnt / 1;
1865                         break;
1866                 default:
1867                         return ERROR_OK;
1868         }
1869
1870         buffer = calloc(count, size);
1871         retval  = target->type->read_memory(target, address, size, count, buffer);
1872         if (retval == ERROR_OK)
1873         {
1874                 output_len = 0;
1875
1876                 for (i = 0; i < count; i++)
1877                 {
1878                         if (i%line_modulo == 0)
1879                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1880
1881                         switch (size)
1882                         {
1883                                 case 4:
1884                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1885                                         break;
1886                                 case 2:
1887                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1888                                         break;
1889                                 case 1:
1890                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1891                                         break;
1892                         }
1893
1894                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1895                         {
1896                                 command_print(cmd_ctx, output);
1897                                 output_len = 0;
1898                         }
1899                 }
1900         }
1901
1902         free(buffer);
1903
1904         return retval;
1905 }
1906
1907 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1908 {
1909         u32 address = 0;
1910         u32 value = 0;
1911         int count = 1;
1912         int i;
1913         int wordsize;
1914         target_t *target = get_current_target(cmd_ctx);
1915         u8 value_buf[4];
1916
1917          if ((argc < 2) || (argc > 3))
1918                 return ERROR_COMMAND_SYNTAX_ERROR;
1919
1920         address = strtoul(args[0], NULL, 0);
1921         value = strtoul(args[1], NULL, 0);
1922         if (argc == 3)
1923                 count = strtoul(args[2], NULL, 0);
1924
1925         switch (cmd[2])
1926         {
1927                 case 'w':
1928                         wordsize = 4;
1929                         target_buffer_set_u32(target, value_buf, value);
1930                         break;
1931                 case 'h':
1932                         wordsize = 2;
1933                         target_buffer_set_u16(target, value_buf, value);
1934                         break;
1935                 case 'b':
1936                         wordsize = 1;
1937                         value_buf[0] = value;
1938                         break;
1939                 default:
1940                         return ERROR_COMMAND_SYNTAX_ERROR;
1941         }
1942         for (i=0; i<count; i++)
1943         {
1944                 int retval;
1945                 switch (wordsize)
1946                 {
1947                         case 4:
1948                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1949                                 break;
1950                         case 2:
1951                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1952                                 break;
1953                         case 1:
1954                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1955                         break;
1956                         default:
1957                         return ERROR_OK;
1958                 }
1959                 keep_alive();
1960
1961                 if (retval!=ERROR_OK)
1962                 {
1963                         return retval;
1964                 }
1965         }
1966
1967         return ERROR_OK;
1968
1969 }
1970
1971 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1972 {
1973         u8 *buffer;
1974         u32 buf_cnt;
1975         u32 image_size;
1976         u32 min_address=0;
1977         u32 max_address=0xffffffff;
1978         int i;
1979         int retval, retvaltemp;
1980
1981         image_t image;
1982
1983         duration_t duration;
1984         char *duration_text;
1985
1986         target_t *target = get_current_target(cmd_ctx);
1987
1988         if ((argc < 1)||(argc > 5))
1989         {
1990                 return ERROR_COMMAND_SYNTAX_ERROR;
1991         }
1992
1993         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1994         if (argc >= 2)
1995         {
1996                 image.base_address_set = 1;
1997                 image.base_address = strtoul(args[1], NULL, 0);
1998         }
1999         else
2000         {
2001                 image.base_address_set = 0;
2002         }
2003
2004
2005         image.start_address_set = 0;
2006
2007         if (argc>=4)
2008         {
2009                 min_address=strtoul(args[3], NULL, 0);
2010         }
2011         if (argc>=5)
2012         {
2013                 max_address=strtoul(args[4], NULL, 0)+min_address;
2014         }
2015
2016         if (min_address>max_address)
2017         {
2018                 return ERROR_COMMAND_SYNTAX_ERROR;
2019         }
2020
2021         duration_start_measure(&duration);
2022
2023         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2024         {
2025                 return ERROR_OK;
2026         }
2027
2028         image_size = 0x0;
2029         retval = ERROR_OK;
2030         for (i = 0; i < image.num_sections; i++)
2031         {
2032                 buffer = malloc(image.sections[i].size);
2033                 if (buffer == NULL)
2034                 {
2035                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2036                         break;
2037                 }
2038
2039                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2040                 {
2041                         free(buffer);
2042                         break;
2043                 }
2044
2045                 u32 offset=0;
2046                 u32 length=buf_cnt;
2047
2048                 /* DANGER!!! beware of unsigned comparision here!!! */
2049
2050                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2051                                 (image.sections[i].base_address<max_address))
2052                 {
2053                         if (image.sections[i].base_address<min_address)
2054                         {
2055                                 /* clip addresses below */
2056                                 offset+=min_address-image.sections[i].base_address;
2057                                 length-=offset;
2058                         }
2059
2060                         if (image.sections[i].base_address+buf_cnt>max_address)
2061                         {
2062                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2063                         }
2064
2065                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2066                         {
2067                                 free(buffer);
2068                                 break;
2069                         }
2070                         image_size += length;
2071                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2072                 }
2073
2074                 free(buffer);
2075         }
2076
2077         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2078         {
2079                 image_close(&image);
2080                 return retvaltemp;
2081         }
2082
2083         if (retval==ERROR_OK)
2084         {
2085                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2086         }
2087         free(duration_text);
2088
2089         image_close(&image);
2090
2091         return retval;
2092
2093 }
2094
2095 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2096 {
2097         fileio_t fileio;
2098
2099         u32 address;
2100         u32 size;
2101         u8 buffer[560];
2102         int retval=ERROR_OK, retvaltemp;
2103
2104         duration_t duration;
2105         char *duration_text;
2106
2107         target_t *target = get_current_target(cmd_ctx);
2108
2109         if (argc != 3)
2110         {
2111                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2112                 return ERROR_OK;
2113         }
2114
2115         address = strtoul(args[1], NULL, 0);
2116         size = strtoul(args[2], NULL, 0);
2117
2118         if ((address & 3) || (size & 3))
2119         {
2120                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2121                 return ERROR_OK;
2122         }
2123
2124         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2125         {
2126                 return ERROR_OK;
2127         }
2128
2129         duration_start_measure(&duration);
2130
2131         while (size > 0)
2132         {
2133                 u32 size_written;
2134                 u32 this_run_size = (size > 560) ? 560 : size;
2135
2136                 retval = target_read_buffer(target, address, this_run_size, buffer);
2137                 if (retval != ERROR_OK)
2138                 {
2139                         break;
2140                 }
2141
2142                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2143                 if (retval != ERROR_OK)
2144                 {
2145                         break;
2146                 }
2147
2148                 size -= this_run_size;
2149                 address += this_run_size;
2150         }
2151
2152         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2153                 return retvaltemp;
2154
2155         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2156                 return retvaltemp;
2157
2158         if (retval==ERROR_OK)
2159         {
2160                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2161                 free(duration_text);
2162         }
2163
2164         return retval;
2165 }
2166
2167 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2168 {
2169         u8 *buffer;
2170         u32 buf_cnt;
2171         u32 image_size;
2172         int i;
2173         int retval, retvaltemp;
2174         u32 checksum = 0;
2175         u32 mem_checksum = 0;
2176
2177         image_t image;
2178
2179         duration_t duration;
2180         char *duration_text;
2181
2182         target_t *target = get_current_target(cmd_ctx);
2183
2184         if (argc < 1)
2185         {
2186                 return ERROR_COMMAND_SYNTAX_ERROR;
2187         }
2188
2189         if (!target)
2190         {
2191                 LOG_ERROR("no target selected");
2192                 return ERROR_FAIL;
2193         }
2194
2195         duration_start_measure(&duration);
2196
2197         if (argc >= 2)
2198         {
2199                 image.base_address_set = 1;
2200                 image.base_address = strtoul(args[1], NULL, 0);
2201         }
2202         else
2203         {
2204                 image.base_address_set = 0;
2205                 image.base_address = 0x0;
2206         }
2207
2208         image.start_address_set = 0;
2209
2210         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2211         {
2212                 return retval;
2213         }
2214
2215         image_size = 0x0;
2216         retval=ERROR_OK;
2217         for (i = 0; i < image.num_sections; i++)
2218         {
2219                 buffer = malloc(image.sections[i].size);
2220                 if (buffer == NULL)
2221                 {
2222                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2223                         break;
2224                 }
2225                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2226                 {
2227                         free(buffer);
2228                         break;
2229                 }
2230
2231                 if (verify)
2232                 {
2233                         /* calculate checksum of image */
2234                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2235
2236                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2237                         if( retval != ERROR_OK )
2238                         {
2239                                 free(buffer);
2240                                 break;
2241                         }
2242
2243                         if( checksum != mem_checksum )
2244                         {
2245                                 /* failed crc checksum, fall back to a binary compare */
2246                                 u8 *data;
2247
2248                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2249
2250                                 data = (u8*)malloc(buf_cnt);
2251
2252                                 /* Can we use 32bit word accesses? */
2253                                 int size = 1;
2254                                 int count = buf_cnt;
2255                                 if ((count % 4) == 0)
2256                                 {
2257                                         size *= 4;
2258                                         count /= 4;
2259                                 }
2260                                 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2261                                 if (retval == ERROR_OK)
2262                                 {
2263                                         u32 t;
2264                                         for (t = 0; t < buf_cnt; t++)
2265                                         {
2266                                                 if (data[t] != buffer[t])
2267                                                 {
2268                                                         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]);
2269                                                         free(data);
2270                                                         free(buffer);
2271                                                         retval=ERROR_FAIL;
2272                                                         goto done;
2273                                                 }
2274                                                 if ((t%16384)==0)
2275                                                 {
2276                                                         keep_alive();
2277                                                 }
2278                                         }
2279                                 }
2280
2281                                 free(data);
2282                         }
2283                 } else
2284                 {
2285                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2286                 }
2287
2288                 free(buffer);
2289                 image_size += buf_cnt;
2290         }
2291 done:
2292
2293         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2294         {
2295                 image_close(&image);
2296                 return retvaltemp;
2297         }
2298
2299         if (retval==ERROR_OK)
2300         {
2301                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2302         }
2303         free(duration_text);
2304
2305         image_close(&image);
2306
2307         return retval;
2308 }
2309
2310 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2311 {
2312         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2313 }
2314
2315 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2316 {
2317         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2318 }
2319
2320 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2321 {
2322         int retval;
2323         target_t *target = get_current_target(cmd_ctx);
2324
2325         if (argc == 0)
2326         {
2327                 breakpoint_t *breakpoint = target->breakpoints;
2328
2329                 while (breakpoint)
2330                 {
2331                         if (breakpoint->type == BKPT_SOFT)
2332                         {
2333                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2334                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2335                                 free(buf);
2336                         }
2337                         else
2338                         {
2339                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2340                         }
2341                         breakpoint = breakpoint->next;
2342                 }
2343         }
2344         else if (argc >= 2)
2345         {
2346                 int hw = BKPT_SOFT;
2347                 u32 length = 0;
2348
2349                 length = strtoul(args[1], NULL, 0);
2350
2351                 if (argc >= 3)
2352                         if (strcmp(args[2], "hw") == 0)
2353                                 hw = BKPT_HARD;
2354
2355                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2356                 {
2357                         LOG_ERROR("Failure setting breakpoints");
2358                 }
2359                 else
2360                 {
2361                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2362                 }
2363         }
2364         else
2365         {
2366                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2367         }
2368
2369         return ERROR_OK;
2370 }
2371
2372 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2373 {
2374         target_t *target = get_current_target(cmd_ctx);
2375
2376         if (argc > 0)
2377                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2378
2379         return ERROR_OK;
2380 }
2381
2382 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2383 {
2384         target_t *target = get_current_target(cmd_ctx);
2385         int retval;
2386
2387         if (argc == 0)
2388         {
2389                 watchpoint_t *watchpoint = target->watchpoints;
2390
2391                 while (watchpoint)
2392                 {
2393                         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);
2394                         watchpoint = watchpoint->next;
2395                 }
2396         }
2397         else if (argc >= 2)
2398         {
2399                 enum watchpoint_rw type = WPT_ACCESS;
2400                 u32 data_value = 0x0;
2401                 u32 data_mask = 0xffffffff;
2402
2403                 if (argc >= 3)
2404                 {
2405                         switch(args[2][0])
2406                         {
2407                                 case 'r':
2408                                         type = WPT_READ;
2409                                         break;
2410                                 case 'w':
2411                                         type = WPT_WRITE;
2412                                         break;
2413                                 case 'a':
2414                                         type = WPT_ACCESS;
2415                                         break;
2416                                 default:
2417                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2418                                         return ERROR_OK;
2419                         }
2420                 }
2421                 if (argc >= 4)
2422                 {
2423                         data_value = strtoul(args[3], NULL, 0);
2424                 }
2425                 if (argc >= 5)
2426                 {
2427                         data_mask = strtoul(args[4], NULL, 0);
2428                 }
2429
2430                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2431                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2432                 {
2433                         LOG_ERROR("Failure setting breakpoints");
2434                 }
2435         }
2436         else
2437         {
2438                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2439         }
2440
2441         return ERROR_OK;
2442 }
2443
2444 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2445 {
2446         target_t *target = get_current_target(cmd_ctx);
2447
2448         if (argc > 0)
2449                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2450
2451         return ERROR_OK;
2452 }
2453
2454 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2455 {
2456         int retval;
2457         target_t *target = get_current_target(cmd_ctx);
2458         u32 va;
2459         u32 pa;
2460
2461         if (argc != 1)
2462         {
2463                 return ERROR_COMMAND_SYNTAX_ERROR;
2464         }
2465         va = strtoul(args[0], NULL, 0);
2466
2467         retval = target->type->virt2phys(target, va, &pa);
2468         if (retval == ERROR_OK)
2469         {
2470                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2471         }
2472         else
2473         {
2474                 /* lower levels will have logged a detailed error which is
2475                  * forwarded to telnet/GDB session.
2476                  */
2477         }
2478         return retval;
2479 }
2480
2481 static void writeData(FILE *f, const void *data, size_t len)
2482 {
2483         size_t written = fwrite(data, len, 1, f);
2484         if (written != len)
2485                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2486 }
2487
2488 static void writeLong(FILE *f, int l)
2489 {
2490         int i;
2491         for (i=0; i<4; i++)
2492         {
2493                 char c=(l>>(i*8))&0xff;
2494                 writeData(f, &c, 1);
2495         }
2496
2497 }
2498
2499 static void writeString(FILE *f, char *s)
2500 {
2501         writeData(f, s, strlen(s));
2502 }
2503
2504 /* Dump a gmon.out histogram file. */
2505 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2506 {
2507         u32 i;
2508         FILE *f=fopen(filename, "w");
2509         if (f==NULL)
2510                 return;
2511         writeString(f, "gmon");
2512         writeLong(f, 0x00000001); /* Version */
2513         writeLong(f, 0); /* padding */
2514         writeLong(f, 0); /* padding */
2515         writeLong(f, 0); /* padding */
2516
2517         u8 zero = 0;  /* GMON_TAG_TIME_HIST */
2518         writeData(f, &zero, 1);
2519
2520         /* figure out bucket size */
2521         u32 min=samples[0];
2522         u32 max=samples[0];
2523         for (i=0; i<sampleNum; i++)
2524         {
2525                 if (min>samples[i])
2526                 {
2527                         min=samples[i];
2528                 }
2529                 if (max<samples[i])
2530                 {
2531                         max=samples[i];
2532                 }
2533         }
2534
2535         int addressSpace=(max-min+1);
2536
2537         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2538         u32 length = addressSpace;
2539         if (length > maxBuckets)
2540         {
2541                 length=maxBuckets;
2542         }
2543         int *buckets=malloc(sizeof(int)*length);
2544         if (buckets==NULL)
2545         {
2546                 fclose(f);
2547                 return;
2548         }
2549         memset(buckets, 0, sizeof(int)*length);
2550         for (i=0; i<sampleNum;i++)
2551         {
2552                 u32 address=samples[i];
2553                 long long a=address-min;
2554                 long long b=length-1;
2555                 long long c=addressSpace-1;
2556                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2557                 buckets[index]++;
2558         }
2559
2560         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2561         writeLong(f, min);                      /* low_pc */
2562         writeLong(f, max);                      /* high_pc */
2563         writeLong(f, length);           /* # of samples */
2564         writeLong(f, 64000000);         /* 64MHz */
2565         writeString(f, "seconds");
2566         for (i=0; i<(15-strlen("seconds")); i++)
2567                 writeData(f, &zero, 1);
2568         writeString(f, "s");
2569
2570         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2571
2572         char *data=malloc(2*length);
2573         if (data!=NULL)
2574         {
2575                 for (i=0; i<length;i++)
2576                 {
2577                         int val;
2578                         val=buckets[i];
2579                         if (val>65535)
2580                         {
2581                                 val=65535;
2582                         }
2583                         data[i*2]=val&0xff;
2584                         data[i*2+1]=(val>>8)&0xff;
2585                 }
2586                 free(buckets);
2587                 writeData(f, data, length * 2);
2588                 free(data);
2589         } else
2590         {
2591                 free(buckets);
2592         }
2593
2594         fclose(f);
2595 }
2596
2597 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2598 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2599 {
2600         target_t *target = get_current_target(cmd_ctx);
2601         struct timeval timeout, now;
2602
2603         gettimeofday(&timeout, NULL);
2604         if (argc!=2)
2605         {
2606                 return ERROR_COMMAND_SYNTAX_ERROR;
2607         }
2608         char *end;
2609         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2610         if (*end)
2611         {
2612                 return ERROR_OK;
2613         }
2614
2615         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2616
2617         static const int maxSample=10000;
2618         u32 *samples=malloc(sizeof(u32)*maxSample);
2619         if (samples==NULL)
2620                 return ERROR_OK;
2621
2622         int numSamples=0;
2623         int retval=ERROR_OK;
2624         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2625         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2626
2627         for (;;)
2628         {
2629                 target_poll(target);
2630                 if (target->state == TARGET_HALTED)
2631                 {
2632                         u32 t=*((u32 *)reg->value);
2633                         samples[numSamples++]=t;
2634                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2635                         target_poll(target);
2636                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2637                 } else if (target->state == TARGET_RUNNING)
2638                 {
2639                         /* We want to quickly sample the PC. */
2640                         if((retval = target_halt(target)) != ERROR_OK)
2641                         {
2642                                 free(samples);
2643                                 return retval;
2644                         }
2645                 } else
2646                 {
2647                         command_print(cmd_ctx, "Target not halted or running");
2648                         retval=ERROR_OK;
2649                         break;
2650                 }
2651                 if (retval!=ERROR_OK)
2652                 {
2653                         break;
2654                 }
2655
2656                 gettimeofday(&now, NULL);
2657                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2658                 {
2659                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2660                         if((retval = target_poll(target)) != ERROR_OK)
2661                         {
2662                                 free(samples);
2663                                 return retval;
2664                         }
2665                         if (target->state == TARGET_HALTED)
2666                         {
2667                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2668                         }
2669                         if((retval = target_poll(target)) != ERROR_OK)
2670                         {
2671                                 free(samples);
2672                                 return retval;
2673                         }
2674                         writeGmon(samples, numSamples, args[1]);
2675                         command_print(cmd_ctx, "Wrote %s", args[1]);
2676                         break;
2677                 }
2678         }
2679         free(samples);
2680
2681         return ERROR_OK;
2682 }
2683
2684 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2685 {
2686         char *namebuf;
2687         Jim_Obj *nameObjPtr, *valObjPtr;
2688         int result;
2689
2690         namebuf = alloc_printf("%s(%d)", varname, idx);
2691         if (!namebuf)
2692                 return JIM_ERR;
2693
2694         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2695         valObjPtr = Jim_NewIntObj(interp, val);
2696         if (!nameObjPtr || !valObjPtr)
2697         {
2698                 free(namebuf);
2699                 return JIM_ERR;
2700         }
2701
2702         Jim_IncrRefCount(nameObjPtr);
2703         Jim_IncrRefCount(valObjPtr);
2704         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2705         Jim_DecrRefCount(interp, nameObjPtr);
2706         Jim_DecrRefCount(interp, valObjPtr);
2707         free(namebuf);
2708         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2709         return result;
2710 }
2711
2712 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2713 {
2714         command_context_t *context;
2715         target_t *target;
2716
2717         context = Jim_GetAssocData(interp, "context");
2718         if (context == NULL)
2719         {
2720                 LOG_ERROR("mem2array: no command context");
2721                 return JIM_ERR;
2722         }
2723         target = get_current_target(context);
2724         if (target == NULL)
2725         {
2726                 LOG_ERROR("mem2array: no current target");
2727                 return JIM_ERR;
2728         }
2729
2730         return  target_mem2array(interp, target, argc,argv);
2731 }
2732
2733 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2734 {
2735         long l;
2736         u32 width;
2737         int len;
2738         u32 addr;
2739         u32 count;
2740         u32 v;
2741         const char *varname;
2742         u8 buffer[4096];
2743         int  n, e, retval;
2744         u32 i;
2745
2746         /* argv[1] = name of array to receive the data
2747          * argv[2] = desired width
2748          * argv[3] = memory address
2749          * argv[4] = count of times to read
2750          */
2751         if (argc != 5) {
2752                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2753                 return JIM_ERR;
2754         }
2755         varname = Jim_GetString(argv[1], &len);
2756         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2757
2758         e = Jim_GetLong(interp, argv[2], &l);
2759         width = l;
2760         if (e != JIM_OK) {
2761                 return e;
2762         }
2763
2764         e = Jim_GetLong(interp, argv[3], &l);
2765         addr = l;
2766         if (e != JIM_OK) {
2767                 return e;
2768         }
2769         e = Jim_GetLong(interp, argv[4], &l);
2770         len = l;
2771         if (e != JIM_OK) {
2772                 return e;
2773         }
2774         switch (width) {
2775                 case 8:
2776                         width = 1;
2777                         break;
2778                 case 16:
2779                         width = 2;
2780                         break;
2781                 case 32:
2782                         width = 4;
2783                         break;
2784                 default:
2785                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2786                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2787                         return JIM_ERR;
2788         }
2789         if (len == 0) {
2790                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2791                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2792                 return JIM_ERR;
2793         }
2794         if ((addr + (len * width)) < addr) {
2795                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2796                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2797                 return JIM_ERR;
2798         }
2799         /* absurd transfer size? */
2800         if (len > 65536) {
2801                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2802                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2803                 return JIM_ERR;
2804         }
2805
2806         if ((width == 1) ||
2807                 ((width == 2) && ((addr & 1) == 0)) ||
2808                 ((width == 4) && ((addr & 3) == 0))) {
2809                 /* all is well */
2810         } else {
2811                 char buf[100];
2812                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2813                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2814                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2815                 return JIM_ERR;
2816         }
2817
2818         /* Transfer loop */
2819
2820         /* index counter */
2821         n = 0;
2822         /* assume ok */
2823         e = JIM_OK;
2824         while (len) {
2825                 /* Slurp... in buffer size chunks */
2826
2827                 count = len; /* in objects.. */
2828                 if (count > (sizeof(buffer)/width)) {
2829                         count = (sizeof(buffer)/width);
2830                 }
2831
2832                 retval = target->type->read_memory( target, addr, width, count, buffer );
2833                 if (retval != ERROR_OK) {
2834                         /* BOO !*/
2835                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2836                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2837                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2838                         e = JIM_ERR;
2839                         len = 0;
2840                 } else {
2841                         v = 0; /* shut up gcc */
2842                         for (i = 0 ;i < count ;i++, n++) {
2843                                 switch (width) {
2844                                         case 4:
2845                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2846                                                 break;
2847                                         case 2:
2848                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2849                                                 break;
2850                                         case 1:
2851                                                 v = buffer[i] & 0x0ff;
2852                                                 break;
2853                                 }
2854                                 new_int_array_element(interp, varname, n, v);
2855                         }
2856                         len -= count;
2857                 }
2858         }
2859
2860         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2861
2862         return JIM_OK;
2863 }
2864
2865 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2866 {
2867         char *namebuf;
2868         Jim_Obj *nameObjPtr, *valObjPtr;
2869         int result;
2870         long l;
2871
2872         namebuf = alloc_printf("%s(%d)", varname, idx);
2873         if (!namebuf)
2874                 return JIM_ERR;
2875
2876         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2877         if (!nameObjPtr)
2878         {
2879                 free(namebuf);
2880                 return JIM_ERR;
2881         }
2882
2883         Jim_IncrRefCount(nameObjPtr);
2884         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2885         Jim_DecrRefCount(interp, nameObjPtr);
2886         free(namebuf);
2887         if (valObjPtr == NULL)
2888                 return JIM_ERR;
2889
2890         result = Jim_GetLong(interp, valObjPtr, &l);
2891         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2892         *val = l;
2893         return result;
2894 }
2895
2896 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2897 {
2898         command_context_t *context;
2899         target_t *target;
2900
2901         context = Jim_GetAssocData(interp, "context");
2902         if (context == NULL){
2903                 LOG_ERROR("array2mem: no command context");
2904                 return JIM_ERR;
2905         }
2906         target = get_current_target(context);
2907         if (target == NULL){
2908                 LOG_ERROR("array2mem: no current target");
2909                 return JIM_ERR;
2910         }
2911
2912         return target_array2mem( interp,target, argc, argv );
2913 }
2914
2915 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2916 {
2917         long l;
2918         u32 width;
2919         int len;
2920         u32 addr;
2921         u32 count;
2922         u32 v;
2923         const char *varname;
2924         u8 buffer[4096];
2925         int  n, e, retval;
2926         u32 i;
2927
2928         /* argv[1] = name of array to get the data
2929          * argv[2] = desired width
2930          * argv[3] = memory address
2931          * argv[4] = count to write
2932          */
2933         if (argc != 5) {
2934                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2935                 return JIM_ERR;
2936         }
2937         varname = Jim_GetString(argv[1], &len);
2938         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2939
2940         e = Jim_GetLong(interp, argv[2], &l);
2941         width = l;
2942         if (e != JIM_OK) {
2943                 return e;
2944         }
2945
2946         e = Jim_GetLong(interp, argv[3], &l);
2947         addr = l;
2948         if (e != JIM_OK) {
2949                 return e;
2950         }
2951         e = Jim_GetLong(interp, argv[4], &l);
2952         len = l;
2953         if (e != JIM_OK) {
2954                 return e;
2955         }
2956         switch (width) {
2957                 case 8:
2958                         width = 1;
2959                         break;
2960                 case 16:
2961                         width = 2;
2962                         break;
2963                 case 32:
2964                         width = 4;
2965                         break;
2966                 default:
2967                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2968                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2969                         return JIM_ERR;
2970         }
2971         if (len == 0) {
2972                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2973                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2974                 return JIM_ERR;
2975         }
2976         if ((addr + (len * width)) < addr) {
2977                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2978                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2979                 return JIM_ERR;
2980         }
2981         /* absurd transfer size? */
2982         if (len > 65536) {
2983                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2984                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2985                 return JIM_ERR;
2986         }
2987
2988         if ((width == 1) ||
2989                 ((width == 2) && ((addr & 1) == 0)) ||
2990                 ((width == 4) && ((addr & 3) == 0))) {
2991                 /* all is well */
2992         } else {
2993                 char buf[100];
2994                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2995                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2996                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2997                 return JIM_ERR;
2998         }
2999
3000         /* Transfer loop */
3001
3002         /* index counter */
3003         n = 0;
3004         /* assume ok */
3005         e = JIM_OK;
3006         while (len) {
3007                 /* Slurp... in buffer size chunks */
3008
3009                 count = len; /* in objects.. */
3010                 if (count > (sizeof(buffer)/width)) {
3011                         count = (sizeof(buffer)/width);
3012                 }
3013
3014                 v = 0; /* shut up gcc */
3015                 for (i = 0 ;i < count ;i++, n++) {
3016                         get_int_array_element(interp, varname, n, &v);
3017                         switch (width) {
3018                         case 4:
3019                                 target_buffer_set_u32(target, &buffer[i*width], v);
3020                                 break;
3021                         case 2:
3022                                 target_buffer_set_u16(target, &buffer[i*width], v);
3023                                 break;
3024                         case 1:
3025                                 buffer[i] = v & 0x0ff;
3026                                 break;
3027                         }
3028                 }
3029                 len -= count;
3030
3031                 retval = target->type->write_memory(target, addr, width, count, buffer);
3032                 if (retval != ERROR_OK) {
3033                         /* BOO !*/
3034                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3035                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3036                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3037                         e = JIM_ERR;
3038                         len = 0;
3039                 }
3040         }
3041
3042         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3043
3044         return JIM_OK;
3045 }
3046
3047 void target_all_handle_event( enum target_event e )
3048 {
3049         target_t *target;
3050
3051         LOG_DEBUG( "**all*targets: event: %d, %s",
3052                         e,
3053                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3054
3055         target = all_targets;
3056         while (target){
3057                 target_handle_event( target, e );
3058                 target = target->next;
3059         }
3060 }
3061
3062 void target_handle_event( target_t *target, enum target_event e )
3063 {
3064         target_event_action_t *teap;
3065         int done;
3066
3067         teap = target->event_action;
3068
3069         done = 0;
3070         while( teap ){
3071                 if( teap->event == e ){
3072                         done = 1;
3073                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3074                                            target->target_number,
3075                                            target->cmd_name,
3076                                            target->type->name,
3077                                            e,
3078                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3079                                            Jim_GetString( teap->body, NULL ) );
3080                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3081                         {
3082                                 Jim_PrintErrorMessage(interp);
3083                         }
3084                 }
3085                 teap = teap->next;
3086         }
3087         if( !done ){
3088                 LOG_DEBUG( "event: %d %s - no action",
3089                                    e,
3090                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3091         }
3092 }
3093
3094 enum target_cfg_param {
3095         TCFG_TYPE,
3096         TCFG_EVENT,
3097         TCFG_WORK_AREA_VIRT,
3098         TCFG_WORK_AREA_PHYS,
3099         TCFG_WORK_AREA_SIZE,
3100         TCFG_WORK_AREA_BACKUP,
3101         TCFG_ENDIAN,
3102         TCFG_VARIANT,
3103         TCFG_CHAIN_POSITION,
3104 };
3105
3106 static Jim_Nvp nvp_config_opts[] = {
3107         { .name = "-type",             .value = TCFG_TYPE },
3108         { .name = "-event",            .value = TCFG_EVENT },
3109         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3110         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3111         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3112         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3113         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3114         { .name = "-variant",          .value = TCFG_VARIANT },
3115         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3116
3117         { .name = NULL, .value = -1 }
3118 };
3119
3120 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3121 {
3122         Jim_Nvp *n;
3123         Jim_Obj *o;
3124         jim_wide w;
3125         char *cp;
3126         int e;
3127
3128         /* parse config or cget options ... */
3129         while( goi->argc > 0 ){
3130                 Jim_SetEmptyResult( goi->interp );
3131                 /* Jim_GetOpt_Debug( goi ); */
3132
3133                 if( target->type->target_jim_configure ){
3134                         /* target defines a configure function */
3135                         /* target gets first dibs on parameters */
3136                         e = (*(target->type->target_jim_configure))( target, goi );
3137                         if( e == JIM_OK ){
3138                                 /* more? */
3139                                 continue;
3140                         }
3141                         if( e == JIM_ERR ){
3142                                 /* An error */
3143                                 return e;
3144                         }
3145                         /* otherwise we 'continue' below */
3146                 }
3147                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3148                 if( e != JIM_OK ){
3149                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3150                         return e;
3151                 }
3152                 switch( n->value ){
3153                 case TCFG_TYPE:
3154                         /* not setable */
3155                         if( goi->isconfigure ){
3156                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3157                                 return JIM_ERR;
3158                         } else {
3159                         no_params:
3160                                 if( goi->argc != 0 ){
3161                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3162                                         return JIM_ERR;
3163                                 }
3164                         }
3165                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3166                         /* loop for more */
3167                         break;
3168                 case TCFG_EVENT:
3169                         if( goi->argc == 0 ){
3170                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3171                                 return JIM_ERR;
3172                         }
3173
3174                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3175                         if( e != JIM_OK ){
3176                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3177                                 return e;
3178                         }
3179
3180                         if( goi->isconfigure ){
3181                                 if( goi->argc != 1 ){
3182                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3183                                         return JIM_ERR;
3184                                 }
3185                         } else {
3186                                 if( goi->argc != 0 ){
3187                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3188                                         return JIM_ERR;
3189                                 }
3190                         }
3191
3192                         {
3193                                 target_event_action_t *teap;
3194
3195                                 teap = target->event_action;
3196                                 /* replace existing? */
3197                                 while( teap ){
3198                                         if( teap->event == (enum target_event)n->value ){
3199                                                 break;
3200                                         }
3201                                         teap = teap->next;
3202                                 }
3203
3204                                 if( goi->isconfigure ){
3205                                         if( teap == NULL ){
3206                                                 /* create new */
3207                                                 teap = calloc( 1, sizeof(*teap) );
3208                                         }
3209                                         teap->event = n->value;
3210                                         Jim_GetOpt_Obj( goi, &o );
3211                                         if( teap->body ){
3212                                                 Jim_DecrRefCount( interp, teap->body );
3213                                         }
3214                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3215                                         /*
3216                                          * FIXME:
3217                                          *     Tcl/TK - "tk events" have a nice feature.
3218                                          *     See the "BIND" command.
3219                                          *    We should support that here.
3220                                          *     You can specify %X and %Y in the event code.
3221                                          *     The idea is: %T - target name.
3222                                          *     The idea is: %N - target number
3223                                          *     The idea is: %E - event name.
3224                                          */
3225                                         Jim_IncrRefCount( teap->body );
3226
3227                                         /* add to head of event list */
3228                                         teap->next = target->event_action;
3229                                         target->event_action = teap;
3230                                         Jim_SetEmptyResult(goi->interp);
3231                                 } else {
3232                                         /* get */
3233                                         if( teap == NULL ){
3234                                                 Jim_SetEmptyResult( goi->interp );
3235                                         } else {
3236                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3237                                         }
3238                                 }
3239                         }
3240                         /* loop for more */
3241                         break;
3242
3243                 case TCFG_WORK_AREA_VIRT:
3244                         if( goi->isconfigure ){
3245                                 target_free_all_working_areas(target);
3246                                 e = Jim_GetOpt_Wide( goi, &w );
3247                                 if( e != JIM_OK ){
3248                                         return e;
3249                                 }
3250                                 target->working_area_virt = w;
3251                         } else {
3252                                 if( goi->argc != 0 ){
3253                                         goto no_params;
3254                                 }
3255                         }
3256                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3257                         /* loop for more */
3258                         break;
3259
3260                 case TCFG_WORK_AREA_PHYS:
3261                         if( goi->isconfigure ){
3262                                 target_free_all_working_areas(target);
3263                                 e = Jim_GetOpt_Wide( goi, &w );
3264                                 if( e != JIM_OK ){
3265                                         return e;
3266                                 }
3267                                 target->working_area_phys = w;
3268                         } else {
3269                                 if( goi->argc != 0 ){
3270                                         goto no_params;
3271                                 }
3272                         }
3273                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3274                         /* loop for more */
3275                         break;
3276
3277                 case TCFG_WORK_AREA_SIZE:
3278                         if( goi->isconfigure ){
3279                                 target_free_all_working_areas(target);
3280                                 e = Jim_GetOpt_Wide( goi, &w );
3281                                 if( e != JIM_OK ){
3282                                         return e;
3283                                 }
3284                                 target->working_area_size = w;
3285                         } else {
3286                                 if( goi->argc != 0 ){
3287                                         goto no_params;
3288                                 }
3289                         }
3290                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3291                         /* loop for more */
3292                         break;
3293
3294                 case TCFG_WORK_AREA_BACKUP:
3295                         if( goi->isconfigure ){
3296                                 target_free_all_working_areas(target);
3297                                 e = Jim_GetOpt_Wide( goi, &w );
3298                                 if( e != JIM_OK ){
3299                                         return e;
3300                                 }
3301                                 /* make this exactly 1 or 0 */
3302                                 target->backup_working_area = (!!w);
3303                         } else {
3304                                 if( goi->argc != 0 ){
3305                                         goto no_params;
3306                                 }
3307                         }
3308                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3309                         /* loop for more e*/
3310                         break;
3311
3312                 case TCFG_ENDIAN:
3313                         if( goi->isconfigure ){
3314                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3315                                 if( e != JIM_OK ){
3316                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3317                                         return e;
3318                                 }
3319                                 target->endianness = n->value;
3320                         } else {
3321                                 if( goi->argc != 0 ){
3322                                         goto no_params;
3323                                 }
3324                         }
3325                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3326                         if( n->name == NULL ){
3327                                 target->endianness = TARGET_LITTLE_ENDIAN;
3328                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3329                         }
3330                         Jim_SetResultString( goi->interp, n->name, -1 );
3331                         /* loop for more */
3332                         break;
3333
3334                 case TCFG_VARIANT:
3335                         if( goi->isconfigure ){
3336                                 if( goi->argc < 1 ){
3337                                         Jim_SetResult_sprintf( goi->interp,
3338                                                                                    "%s ?STRING?",
3339                                                                                    n->name );
3340                                         return JIM_ERR;
3341                                 }
3342                                 if( target->variant ){
3343                                         free((void *)(target->variant));
3344                                 }
3345                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3346                                 target->variant = strdup(cp);
3347                         } else {
3348                                 if( goi->argc != 0 ){
3349                                         goto no_params;
3350                                 }
3351                         }
3352                         Jim_SetResultString( goi->interp, target->variant,-1 );
3353                         /* loop for more */
3354                         break;
3355                 case TCFG_CHAIN_POSITION:
3356                         if( goi->isconfigure ){
3357                                 Jim_Obj *o;
3358                                 jtag_tap_t *tap;
3359                                 target_free_all_working_areas(target);
3360                                 e = Jim_GetOpt_Obj( goi, &o );
3361                                 if( e != JIM_OK ){
3362                                         return e;
3363                                 }
3364                                 tap = jtag_TapByJimObj( goi->interp, o );
3365                                 if( tap == NULL ){
3366                                         return JIM_ERR;
3367                                 }
3368                                 /* make this exactly 1 or 0 */
3369                                 target->tap = tap;
3370                         } else {
3371                                 if( goi->argc != 0 ){
3372                                         goto no_params;
3373                                 }
3374                         }
3375                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3376                         /* loop for more e*/
3377                         break;
3378                 }
3379         } /* while( goi->argc ) */
3380
3381
3382                 /* done - we return */
3383         return JIM_OK;
3384 }
3385
3386 /** this is the 'tcl' handler for the target specific command */
3387 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3388 {
3389         Jim_GetOptInfo goi;
3390         jim_wide a,b,c;
3391         int x,y,z;
3392         u8  target_buf[32];
3393         Jim_Nvp *n;
3394         target_t *target;
3395         struct command_context_s *cmd_ctx;
3396         int e;
3397
3398         enum {
3399                 TS_CMD_CONFIGURE,
3400                 TS_CMD_CGET,
3401
3402                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3403                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3404                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3405                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3406                 TS_CMD_EXAMINE,
3407                 TS_CMD_POLL,
3408                 TS_CMD_RESET,
3409                 TS_CMD_HALT,
3410                 TS_CMD_WAITSTATE,
3411                 TS_CMD_EVENTLIST,
3412                 TS_CMD_CURSTATE,
3413                 TS_CMD_INVOKE_EVENT,
3414         };
3415
3416         static const Jim_Nvp target_options[] = {
3417                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3418                 { .name = "cget", .value = TS_CMD_CGET },
3419                 { .name = "mww", .value = TS_CMD_MWW },
3420                 { .name = "mwh", .value = TS_CMD_MWH },
3421                 { .name = "mwb", .value = TS_CMD_MWB },
3422                 { .name = "mdw", .value = TS_CMD_MDW },
3423                 { .name = "mdh", .value = TS_CMD_MDH },
3424                 { .name = "mdb", .value = TS_CMD_MDB },
3425                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3426                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3427                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3428                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3429
3430                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3431                 { .name = "arp_poll", .value = TS_CMD_POLL },
3432                 { .name = "arp_reset", .value = TS_CMD_RESET },
3433                 { .name = "arp_halt", .value = TS_CMD_HALT },
3434                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3435                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3436
3437                 { .name = NULL, .value = -1 },
3438         };
3439
3440         /* go past the "command" */
3441         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3442
3443         target = Jim_CmdPrivData( goi.interp );
3444         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3445
3446         /* commands here are in an NVP table */
3447         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3448         if( e != JIM_OK ){
3449                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3450                 return e;
3451         }
3452         /* Assume blank result */
3453         Jim_SetEmptyResult( goi.interp );
3454
3455         switch( n->value ){
3456         case TS_CMD_CONFIGURE:
3457                 if( goi.argc < 2 ){
3458                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3459                         return JIM_ERR;
3460                 }
3461                 goi.isconfigure = 1;
3462                 return target_configure( &goi, target );
3463         case TS_CMD_CGET:
3464                 // some things take params
3465                 if( goi.argc < 1 ){
3466                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3467                         return JIM_ERR;
3468                 }
3469                 goi.isconfigure = 0;
3470                 return target_configure( &goi, target );
3471                 break;
3472         case TS_CMD_MWW:
3473         case TS_CMD_MWH:
3474         case TS_CMD_MWB:
3475                 /* argv[0] = cmd
3476                  * argv[1] = address
3477                  * argv[2] = data
3478                  * argv[3] = optional count.
3479                  */
3480
3481                 if( (goi.argc == 3) || (goi.argc == 4) ){
3482                         /* all is well */
3483                 } else {
3484                 mwx_error:
3485                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3486                         return JIM_ERR;
3487                 }
3488
3489                 e = Jim_GetOpt_Wide( &goi, &a );
3490                 if( e != JIM_OK ){
3491                         goto mwx_error;
3492                 }
3493
3494                 e = Jim_GetOpt_Wide( &goi, &b );
3495                 if( e != JIM_OK ){
3496                         goto mwx_error;
3497                 }
3498                 if( goi.argc ){
3499                         e = Jim_GetOpt_Wide( &goi, &c );
3500                         if( e != JIM_OK ){
3501                                 goto mwx_error;
3502                         }
3503                 } else {
3504                         c = 1;
3505                 }
3506
3507                 switch( n->value ){
3508                 case TS_CMD_MWW:
3509                         target_buffer_set_u32( target, target_buf, b );
3510                         b = 4;
3511                         break;
3512                 case TS_CMD_MWH:
3513                         target_buffer_set_u16( target, target_buf, b );
3514                         b = 2;
3515                         break;
3516                 case TS_CMD_MWB:
3517                         target_buffer_set_u8( target, target_buf, b );
3518                         b = 1;
3519                         break;
3520                 }
3521                 for( x = 0 ; x < c ; x++ ){
3522                         e = target->type->write_memory( target, a, b, 1, target_buf );
3523                         if( e != ERROR_OK ){
3524                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3525                                 return JIM_ERR;
3526                         }
3527                         /* b = width */
3528                         a = a + b;
3529                 }
3530                 return JIM_OK;
3531                 break;
3532
3533                 /* display */
3534         case TS_CMD_MDW:
3535         case TS_CMD_MDH:
3536         case TS_CMD_MDB:
3537                 /* argv[0] = command
3538                  * argv[1] = address
3539                  * argv[2] = optional count
3540                  */
3541                 if( (goi.argc == 2) || (goi.argc == 3) ){
3542                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3543                         return JIM_ERR;
3544                 }
3545                 e = Jim_GetOpt_Wide( &goi, &a );
3546                 if( e != JIM_OK ){
3547                         return JIM_ERR;
3548                 }
3549                 if( goi.argc ){
3550                         e = Jim_GetOpt_Wide( &goi, &c );
3551                         if( e != JIM_OK ){
3552                                 return JIM_ERR;
3553                         }
3554                 } else {
3555                         c = 1;
3556                 }
3557                 b = 1; /* shut up gcc */
3558                 switch( n->value ){
3559                 case TS_CMD_MDW:
3560                         b =  4;
3561                         break;
3562                 case TS_CMD_MDH:
3563                         b = 2;
3564                         break;
3565                 case TS_CMD_MDB:
3566                         b = 1;
3567                         break;
3568                 }
3569
3570                 /* convert to "bytes" */
3571                 c = c * b;
3572                 /* count is now in 'BYTES' */
3573                 while( c > 0 ){
3574                         y = c;
3575                         if( y > 16 ){
3576                                 y = 16;
3577                         }
3578                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3579                         if( e != ERROR_OK ){
3580                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3581                                 return JIM_ERR;
3582                         }
3583
3584                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3585                         switch( b ){
3586                         case 4:
3587                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3588                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3589                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3590                                 }
3591                                 for( ; (x < 16) ; x += 4 ){
3592                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3593                                 }
3594                                 break;
3595                         case 2:
3596                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3597                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3598                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3599                                 }
3600                                 for( ; (x < 16) ; x += 2 ){
3601                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3602                                 }
3603                                 break;
3604                         case 1:
3605                         default:
3606                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3607                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3608                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3609                                 }
3610                                 for( ; (x < 16) ; x += 1 ){
3611                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3612                                 }
3613                                 break;
3614                         }
3615                         /* ascii-ify the bytes */
3616                         for( x = 0 ; x < y ; x++ ){
3617                                 if( (target_buf[x] >= 0x20) &&
3618                                         (target_buf[x] <= 0x7e) ){
3619                                         /* good */
3620                                 } else {
3621                                         /* smack it */
3622                                         target_buf[x] = '.';
3623                                 }
3624                         }
3625                         /* space pad  */
3626                         while( x < 16 ){
3627                                 target_buf[x] = ' ';
3628                                 x++;
3629                         }
3630                         /* terminate */
3631                         target_buf[16] = 0;
3632                         /* print - with a newline */
3633                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3634                         /* NEXT... */
3635                         c -= 16;
3636                         a += 16;
3637                 }
3638                 return JIM_OK;
3639         case TS_CMD_MEM2ARRAY:
3640                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3641                 break;
3642         case TS_CMD_ARRAY2MEM:
3643                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3644                 break;
3645         case TS_CMD_EXAMINE:
3646                 if( goi.argc ){
3647                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3648                         return JIM_ERR;
3649                 }
3650                 e = target->type->examine( target );
3651                 if( e != ERROR_OK ){
3652                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3653                         return JIM_ERR;
3654                 }
3655                 return JIM_OK;
3656         case TS_CMD_POLL:
3657                 if( goi.argc ){
3658                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3659                         return JIM_ERR;
3660                 }
3661                 if( !(target->type->examined) ){
3662                         e = ERROR_TARGET_NOT_EXAMINED;
3663                 } else {
3664                         e = target->type->poll( target );
3665                 }
3666                 if( e != ERROR_OK ){
3667                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3668                         return JIM_ERR;
3669                 } else {
3670                         return JIM_OK;
3671                 }
3672                 break;
3673         case TS_CMD_RESET:
3674                 if( goi.argc != 2 ){
3675                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3676                         return JIM_ERR;
3677                 }
3678                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3679                 if( e != JIM_OK ){
3680                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3681                         return e;
3682                 }
3683                 /* the halt or not param */
3684                 e = Jim_GetOpt_Wide( &goi, &a);
3685                 if( e != JIM_OK ){
3686                         return e;
3687                 }
3688                 /* determine if we should halt or not. */
3689                 target->reset_halt = !!a;
3690                 /* When this happens - all workareas are invalid. */
3691                 target_free_all_working_areas_restore(target, 0);
3692
3693                 /* do the assert */
3694                 if( n->value == NVP_ASSERT ){
3695                         target->type->assert_reset( target );
3696                 } else {
3697                         target->type->deassert_reset( target );
3698                 }
3699                 return JIM_OK;
3700         case TS_CMD_HALT:
3701                 if( goi.argc ){
3702                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3703                         return JIM_ERR;
3704                 }
3705                 target->type->halt( target );
3706                 return JIM_OK;
3707         case TS_CMD_WAITSTATE:
3708                 /* params:  <name>  statename timeoutmsecs */
3709                 if( goi.argc != 2 ){
3710                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3711                         return JIM_ERR;
3712                 }
3713                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3714                 if( e != JIM_OK ){
3715                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3716                         return e;
3717                 }
3718                 e = Jim_GetOpt_Wide( &goi, &a );
3719                 if( e != JIM_OK ){
3720                         return e;
3721                 }
3722                 e = target_wait_state( target, n->value, a );
3723                 if( e != ERROR_OK ){
3724                         Jim_SetResult_sprintf( goi.interp,
3725                                                                    "target: %s wait %s fails (%d) %s",
3726                                                                    target->cmd_name,
3727                                                                    n->name,
3728                                                                    e, target_strerror_safe(e) );
3729                         return JIM_ERR;
3730                 } else {
3731                         return JIM_OK;
3732                 }
3733         case TS_CMD_EVENTLIST:
3734                 /* List for human, Events defined for this target.
3735                  * scripts/programs should use 'name cget -event NAME'
3736                  */
3737                 {
3738                         target_event_action_t *teap;
3739                         teap = target->event_action;
3740                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3741                                                    target->target_number,
3742                                                    target->cmd_name );
3743                         command_print( cmd_ctx, "%-25s | Body", "Event");
3744                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3745                         while( teap ){
3746                                 command_print( cmd_ctx,
3747                                                            "%-25s | %s",
3748                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3749                                                            Jim_GetString( teap->body, NULL ) );
3750                                 teap = teap->next;
3751                         }
3752                         command_print( cmd_ctx, "***END***");
3753                         return JIM_OK;
3754                 }
3755         case TS_CMD_CURSTATE:
3756                 if( goi.argc != 0 ){
3757                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3758                         return JIM_ERR;
3759                 }
3760                 Jim_SetResultString( goi.interp,
3761                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3762                 return JIM_OK;
3763         case TS_CMD_INVOKE_EVENT:
3764                 if( goi.argc != 1 ){
3765                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3766                         return JIM_ERR;
3767                 }
3768                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3769                 if( e != JIM_OK ){
3770                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3771                         return e;
3772                 }
3773                 target_handle_event( target, n->value );
3774                 return JIM_OK;
3775         }
3776         return JIM_ERR;
3777 }
3778
3779 static int target_create( Jim_GetOptInfo *goi )
3780 {
3781         Jim_Obj *new_cmd;
3782         Jim_Cmd *cmd;
3783         const char *cp;
3784         char *cp2;
3785         int e;
3786         int x;
3787         target_t *target;
3788         struct command_context_s *cmd_ctx;
3789
3790         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3791         if( goi->argc < 3 ){
3792                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3793                 return JIM_ERR;
3794         }
3795
3796         /* COMMAND */
3797         Jim_GetOpt_Obj( goi, &new_cmd );
3798         /* does this command exist? */
3799         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3800         if( cmd ){
3801                 cp = Jim_GetString( new_cmd, NULL );
3802                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3803                 return JIM_ERR;
3804         }
3805
3806         /* TYPE */
3807         e = Jim_GetOpt_String( goi, &cp2, NULL );
3808         cp = cp2;
3809         /* now does target type exist */
3810         for( x = 0 ; target_types[x] ; x++ ){
3811                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3812                         /* found */
3813                         break;
3814                 }
3815         }
3816         if( target_types[x] == NULL ){
3817                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3818                 for( x = 0 ; target_types[x] ; x++ ){
3819                         if( target_types[x+1] ){
3820                                 Jim_AppendStrings( goi->interp,
3821                                                                    Jim_GetResult(goi->interp),
3822                                                                    target_types[x]->name,
3823                                                                    ", ", NULL);
3824                         } else {
3825                                 Jim_AppendStrings( goi->interp,
3826                                                                    Jim_GetResult(goi->interp),
3827                                                                    " or ",
3828                                                                    target_types[x]->name,NULL );
3829                         }
3830                 }
3831                 return JIM_ERR;
3832         }
3833
3834         /* Create it */
3835         target = calloc(1,sizeof(target_t));
3836         /* set target number */
3837         target->target_number = new_target_number();
3838
3839         /* allocate memory for each unique target type */
3840         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3841
3842         memcpy( target->type, target_types[x], sizeof(target_type_t));
3843
3844         /* will be set by "-endian" */
3845         target->endianness = TARGET_ENDIAN_UNKNOWN;
3846
3847         target->working_area        = 0x0;
3848         target->working_area_size   = 0x0;
3849         target->working_areas       = NULL;
3850         target->backup_working_area = 0;
3851
3852         target->state               = TARGET_UNKNOWN;
3853         target->debug_reason        = DBG_REASON_UNDEFINED;
3854         target->reg_cache           = NULL;
3855         target->breakpoints         = NULL;
3856         target->watchpoints         = NULL;
3857         target->next                = NULL;
3858         target->arch_info           = NULL;
3859
3860         target->display             = 1;
3861
3862         /* initialize trace information */
3863         target->trace_info = malloc(sizeof(trace_t));
3864         target->trace_info->num_trace_points         = 0;
3865         target->trace_info->trace_points_size        = 0;
3866         target->trace_info->trace_points             = NULL;
3867         target->trace_info->trace_history_size       = 0;
3868         target->trace_info->trace_history            = NULL;
3869         target->trace_info->trace_history_pos        = 0;
3870         target->trace_info->trace_history_overflowed = 0;
3871
3872         target->dbgmsg          = NULL;
3873         target->dbg_msg_enabled = 0;
3874
3875         target->endianness = TARGET_ENDIAN_UNKNOWN;
3876
3877         /* Do the rest as "configure" options */
3878         goi->isconfigure = 1;
3879         e = target_configure( goi, target);
3880
3881         if (target->tap == NULL)
3882         {
3883                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
3884                 e=JIM_ERR;
3885         }
3886
3887         if( e != JIM_OK ){
3888                 free( target->type );
3889                 free( target );
3890                 return e;
3891         }
3892
3893         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3894                 /* default endian to little if not specified */
3895                 target->endianness = TARGET_LITTLE_ENDIAN;
3896         }
3897
3898         /* incase variant is not set */
3899         if (!target->variant)
3900                 target->variant = strdup("");
3901
3902         /* create the target specific commands */
3903         if( target->type->register_commands ){
3904                 (*(target->type->register_commands))( cmd_ctx );
3905         }
3906         if( target->type->target_create ){
3907                 (*(target->type->target_create))( target, goi->interp );
3908         }
3909
3910         /* append to end of list */
3911         {
3912                 target_t **tpp;
3913                 tpp = &(all_targets);
3914                 while( *tpp ){
3915                         tpp = &( (*tpp)->next );
3916                 }
3917                 *tpp = target;
3918         }
3919
3920         cp = Jim_GetString( new_cmd, NULL );
3921         target->cmd_name = strdup(cp);
3922
3923         /* now - create the new target name command */
3924         e = Jim_CreateCommand( goi->interp,
3925                                                    /* name */
3926                                                    cp,
3927                                                    tcl_target_func, /* C function */
3928                                                    target, /* private data */
3929                                                    NULL ); /* no del proc */
3930
3931         return e;
3932 }
3933
3934 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3935 {
3936         int x,r,e;
3937         jim_wide w;
3938         struct command_context_s *cmd_ctx;
3939         target_t *target;
3940         Jim_GetOptInfo goi;
3941         enum tcmd {
3942                 /* TG = target generic */
3943                 TG_CMD_CREATE,
3944                 TG_CMD_TYPES,
3945                 TG_CMD_NAMES,
3946                 TG_CMD_CURRENT,
3947                 TG_CMD_NUMBER,
3948                 TG_CMD_COUNT,
3949         };
3950         const char *target_cmds[] = {
3951                 "create", "types", "names", "current", "number",
3952                 "count",
3953                 NULL /* terminate */
3954         };
3955
3956         LOG_DEBUG("Target command params:");
3957         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
3958
3959         cmd_ctx = Jim_GetAssocData( interp, "context" );
3960
3961         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3962
3963         if( goi.argc == 0 ){
3964                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3965                 return JIM_ERR;
3966         }
3967
3968         /* Jim_GetOpt_Debug( &goi ); */
3969         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3970         if( r != JIM_OK ){
3971                 return r;
3972         }
3973
3974         switch(x){
3975         default:
3976                 Jim_Panic(goi.interp,"Why am I here?");
3977                 return JIM_ERR;
3978         case TG_CMD_CURRENT:
3979                 if( goi.argc != 0 ){
3980                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3981                         return JIM_ERR;
3982                 }
3983                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3984                 return JIM_OK;
3985         case TG_CMD_TYPES:
3986                 if( goi.argc != 0 ){
3987                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3988                         return JIM_ERR;
3989                 }
3990                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3991                 for( x = 0 ; target_types[x] ; x++ ){
3992                         Jim_ListAppendElement( goi.interp,
3993                                                                    Jim_GetResult(goi.interp),
3994                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
3995                 }
3996                 return JIM_OK;
3997         case TG_CMD_NAMES:
3998                 if( goi.argc != 0 ){
3999                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4000                         return JIM_ERR;
4001                 }
4002                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4003                 target = all_targets;
4004                 while( target ){
4005                         Jim_ListAppendElement( goi.interp,
4006                                                                    Jim_GetResult(goi.interp),
4007                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4008                         target = target->next;
4009                 }
4010                 return JIM_OK;
4011         case TG_CMD_CREATE:
4012                 if( goi.argc < 3 ){
4013                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4014                         return JIM_ERR;
4015                 }
4016                 return target_create( &goi );
4017                 break;
4018         case TG_CMD_NUMBER:
4019                 if( goi.argc != 1 ){
4020                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4021                         return JIM_ERR;
4022                 }
4023                 e = Jim_GetOpt_Wide( &goi, &w );
4024                 if( e != JIM_OK ){
4025                         return JIM_ERR;
4026                 }
4027                 {
4028                         target_t *t;
4029                         t = get_target_by_num(w);
4030                         if( t == NULL ){
4031                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4032                                 return JIM_ERR;
4033                         }
4034                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4035                         return JIM_OK;
4036                 }
4037         case TG_CMD_COUNT:
4038                 if( goi.argc != 0 ){
4039                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4040                         return JIM_ERR;
4041                 }
4042                 Jim_SetResult( goi.interp,
4043                                            Jim_NewIntObj( goi.interp, max_target_number()));
4044                 return JIM_OK;
4045         }
4046
4047         return JIM_ERR;
4048 }
4049
4050
4051 struct FastLoad
4052 {
4053         u32 address;
4054         u8 *data;
4055         int length;
4056
4057 };
4058
4059 static int fastload_num;
4060 static struct FastLoad *fastload;
4061
4062 static void free_fastload(void)
4063 {
4064         if (fastload!=NULL)
4065         {
4066                 int i;
4067                 for (i=0; i<fastload_num; i++)
4068                 {
4069                         if (fastload[i].data)
4070                                 free(fastload[i].data);
4071                 }
4072                 free(fastload);
4073                 fastload=NULL;
4074         }
4075 }
4076
4077
4078
4079
4080 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4081 {
4082         u8 *buffer;
4083         u32 buf_cnt;
4084         u32 image_size;
4085         u32 min_address=0;
4086         u32 max_address=0xffffffff;
4087         int i;
4088         int retval;
4089
4090         image_t image;
4091
4092         duration_t duration;
4093         char *duration_text;
4094
4095         if ((argc < 1)||(argc > 5))
4096         {
4097                 return ERROR_COMMAND_SYNTAX_ERROR;
4098         }
4099
4100         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4101         if (argc >= 2)
4102         {
4103                 image.base_address_set = 1;
4104                 image.base_address = strtoul(args[1], NULL, 0);
4105         }
4106         else
4107         {
4108                 image.base_address_set = 0;
4109         }
4110
4111
4112         image.start_address_set = 0;
4113
4114         if (argc>=4)
4115         {
4116                 min_address=strtoul(args[3], NULL, 0);
4117         }
4118         if (argc>=5)
4119         {
4120                 max_address=strtoul(args[4], NULL, 0)+min_address;
4121         }
4122
4123         if (min_address>max_address)
4124         {
4125                 return ERROR_COMMAND_SYNTAX_ERROR;
4126         }
4127
4128         duration_start_measure(&duration);
4129
4130         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4131         {
4132                 return ERROR_OK;
4133         }
4134
4135         image_size = 0x0;
4136         retval = ERROR_OK;
4137         fastload_num=image.num_sections;
4138         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4139         if (fastload==NULL)
4140         {
4141                 image_close(&image);
4142                 return ERROR_FAIL;
4143         }
4144         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4145         for (i = 0; i < image.num_sections; i++)
4146         {
4147                 buffer = malloc(image.sections[i].size);
4148                 if (buffer == NULL)
4149                 {
4150                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4151                         break;
4152                 }
4153
4154                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4155                 {
4156                         free(buffer);
4157                         break;
4158                 }
4159
4160                 u32 offset=0;
4161                 u32 length=buf_cnt;
4162
4163
4164                 /* DANGER!!! beware of unsigned comparision here!!! */
4165
4166                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4167                                 (image.sections[i].base_address<max_address))
4168                 {
4169                         if (image.sections[i].base_address<min_address)
4170                         {
4171                                 /* clip addresses below */
4172                                 offset+=min_address-image.sections[i].base_address;
4173                                 length-=offset;
4174                         }
4175
4176                         if (image.sections[i].base_address+buf_cnt>max_address)
4177                         {
4178                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4179                         }
4180
4181                         fastload[i].address=image.sections[i].base_address+offset;
4182                         fastload[i].data=malloc(length);
4183                         if (fastload[i].data==NULL)
4184                         {
4185                                 free(buffer);
4186                                 break;
4187                         }
4188                         memcpy(fastload[i].data, buffer+offset, length);
4189                         fastload[i].length=length;
4190
4191                         image_size += length;
4192                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4193                 }
4194
4195                 free(buffer);
4196         }
4197
4198         duration_stop_measure(&duration, &duration_text);
4199         if (retval==ERROR_OK)
4200         {
4201                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4202                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4203         }
4204         free(duration_text);
4205
4206         image_close(&image);
4207
4208         if (retval!=ERROR_OK)
4209         {
4210                 free_fastload();
4211         }
4212
4213         return retval;
4214 }
4215
4216 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4217 {
4218         if (argc>0)
4219                 return ERROR_COMMAND_SYNTAX_ERROR;
4220         if (fastload==NULL)
4221         {
4222                 LOG_ERROR("No image in memory");
4223                 return ERROR_FAIL;
4224         }
4225         int i;
4226         int ms=timeval_ms();
4227         int size=0;
4228         int retval=ERROR_OK;
4229         for (i=0; i<fastload_num;i++)
4230         {
4231                 target_t *target = get_current_target(cmd_ctx);
4232                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4233                 if (retval==ERROR_OK)
4234                 {
4235                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4236                 }
4237                 size+=fastload[i].length;
4238         }
4239         int after=timeval_ms();
4240         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4241         return retval;
4242 }