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