git.gag.com Git - fw/openocd/blob - src/target/target.c

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007-2010 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  *   Copyright (C) 2011 by Broadcom Corporation                            *
  18  *   Evan Hunter - ehunter@broadcom.com                                    *
  19  *                                                                         *
  20  *   Copyright (C) ST-Ericsson SA 2011                                     *
  21  *   michel.jaouen@stericsson.com : smp minimum support                    *
  22  *                                                                         *
  23  *   This program is free software; you can redistribute it and/or modify  *
  24  *   it under the terms of the GNU General Public License as published by  *
  25  *   the Free Software Foundation; either version 2 of the License, or     *
  26  *   (at your option) any later version.                                   *
  27  *                                                                         *
  28  *   This program is distributed in the hope that it will be useful,       *
  29  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  30  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  31  *   GNU General Public License for more details.                          *
  32  *                                                                         *
  33  *   You should have received a copy of the GNU General Public License     *
  34  *   along with this program; if not, write to the                         *
  35  *   Free Software Foundation, Inc.,                                       *
  36  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  37  ***************************************************************************/
  38 #ifdef HAVE_CONFIG_H
  39 #include "config.h"
  40 #endif
  41
  42 #include <helper/time_support.h>
  43 #include <jtag/jtag.h>
  44 #include <flash/nor/core.h>
  45
  46 #include "target.h"
  47 #include "target_type.h"
  48 #include "target_request.h"
  49 #include "breakpoints.h"
  50 #include "register.h"
  51 #include "trace.h"
  52 #include "image.h"
  53 #include "rtos/rtos.h"
  54
  55
  56 static int target_read_buffer_default(struct target *target, uint32_t address,
  57                 uint32_t size, uint8_t *buffer);
  58 static int target_write_buffer_default(struct target *target, uint32_t address,
  59                 uint32_t size, const uint8_t *buffer);
  60 static int target_array2mem(Jim_Interp *interp, struct target *target,
  61                 int argc, Jim_Obj *const *argv);
  62 static int target_mem2array(Jim_Interp *interp, struct target *target,
  63                 int argc, Jim_Obj *const *argv);
  64 static int target_register_user_commands(struct command_context *cmd_ctx);
  65
  66 /* targets */
  67 extern struct target_type arm7tdmi_target;
  68 extern struct target_type arm720t_target;
  69 extern struct target_type arm9tdmi_target;
  70 extern struct target_type arm920t_target;
  71 extern struct target_type arm966e_target;
  72 extern struct target_type arm946e_target;
  73 extern struct target_type arm926ejs_target;
  74 extern struct target_type fa526_target;
  75 extern struct target_type feroceon_target;
  76 extern struct target_type dragonite_target;
  77 extern struct target_type xscale_target;
  78 extern struct target_type cortexm3_target;
  79 extern struct target_type cortexa8_target;
  80 extern struct target_type arm11_target;
  81 extern struct target_type mips_m4k_target;
  82 extern struct target_type avr_target;
  83 extern struct target_type dsp563xx_target;
  84 extern struct target_type dsp5680xx_target;
  85 extern struct target_type testee_target;
  86 extern struct target_type avr32_ap7k_target;
  87 extern struct target_type stm32_stlink_target;
  88
  89 static struct target_type *target_types[] =
  90 {
  91         &arm7tdmi_target,
  92         &arm9tdmi_target,
  93         &arm920t_target,
  94         &arm720t_target,
  95         &arm966e_target,
  96         &arm946e_target,
  97         &arm926ejs_target,
  98         &fa526_target,
  99         &feroceon_target,
 100         &dragonite_target,
 101         &xscale_target,
 102         &cortexm3_target,
 103         &cortexa8_target,
 104         &arm11_target,
 105         &mips_m4k_target,
 106         &avr_target,
 107         &dsp563xx_target,
 108         &dsp5680xx_target,
 109         &testee_target,
 110         &avr32_ap7k_target,
 111         &stm32_stlink_target,
 112         NULL,
 113 };
 114
 115 struct target *all_targets = NULL;
 116 static struct target_event_callback *target_event_callbacks = NULL;
 117 static struct target_timer_callback *target_timer_callbacks = NULL;
 118 static const int polling_interval = 100;
 119
 120 static const Jim_Nvp nvp_assert[] = {
 121         { .name = "assert", NVP_ASSERT },
 122         { .name = "deassert", NVP_DEASSERT },
 123         { .name = "T", NVP_ASSERT },
 124         { .name = "F", NVP_DEASSERT },
 125         { .name = "t", NVP_ASSERT },
 126         { .name = "f", NVP_DEASSERT },
 127         { .name = NULL, .value = -1 }
 128 };
 129
 130 static const Jim_Nvp nvp_error_target[] = {
 131         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 132         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 133         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 134         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 135         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 136         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 137         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 138         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 139         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 140         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 141         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 142         { .value = -1, .name = NULL }
 143 };
 144
 145 static const char *target_strerror_safe(int err)
 146 {
 147         const Jim_Nvp *n;
 148
 149         n = Jim_Nvp_value2name_simple(nvp_error_target, err);
 150         if (n->name == NULL) {
 151                 return "unknown";
 152         } else {
 153                 return n->name;
 154         }
 155 }
 156
 157 static const Jim_Nvp nvp_target_event[] = {
 158         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 159         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 160
 161         { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
 162         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 163         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 164         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 165         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 166
 167         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 168         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 169
 170         /* historical name */
 171
 172         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 173
 174         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 175         { .value = TARGET_EVENT_RESET_ASSERT,        .name = "reset-assert" },
 176         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 177         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 178         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 179         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 180         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 181         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 182         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 183         { .value = TARGET_EVENT_RESET_INIT,          .name = "reset-init" },
 184         { .value = TARGET_EVENT_RESET_END,           .name = "reset-end" },
 185
 186         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 187         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 188
 189         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 190         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 191
 192         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 193         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 194
 195         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 196         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 197
 198         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 199         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 200
 201         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 202         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 203         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 204
 205         { .name = NULL, .value = -1 }
 206 };
 207
 208 static const Jim_Nvp nvp_target_state[] = {
 209         { .name = "unknown", .value = TARGET_UNKNOWN },
 210         { .name = "running", .value = TARGET_RUNNING },
 211         { .name = "halted",  .value = TARGET_HALTED },
 212         { .name = "reset",   .value = TARGET_RESET },
 213         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 214         { .name = NULL, .value = -1 },
 215 };
 216
 217 static const Jim_Nvp nvp_target_debug_reason [] = {
 218         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 219         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 220         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 221         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 222         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 223         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 224         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 225         { .name = NULL, .value = -1 },
 226 };
 227
 228 static const Jim_Nvp nvp_target_endian[] = {
 229         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 230         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 231         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 232         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 233         { .name = NULL,     .value = -1 },
 234 };
 235
 236 static const Jim_Nvp nvp_reset_modes[] = {
 237         { .name = "unknown", .value = RESET_UNKNOWN },
 238         { .name = "run"    , .value = RESET_RUN },
 239         { .name = "halt"   , .value = RESET_HALT },
 240         { .name = "init"   , .value = RESET_INIT },
 241         { .name = NULL     , .value = -1 },
 242 };
 243
 244 const char *debug_reason_name(struct target *t)
 245 {
 246         const char *cp;
 247
 248         cp = Jim_Nvp_value2name_simple(nvp_target_debug_reason,
 249                         t->debug_reason)->name;
 250         if (!cp) {
 251                 LOG_ERROR("Invalid debug reason: %d", (int)(t->debug_reason));
 252                 cp = "(*BUG*unknown*BUG*)";
 253         }
 254         return cp;
 255 }
 256
 257 const char *
 258 target_state_name( struct target *t )
 259 {
 260         const char *cp;
 261         cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
 262         if( !cp ){
 263                 LOG_ERROR("Invalid target state: %d", (int)(t->state));
 264                 cp = "(*BUG*unknown*BUG*)";
 265         }
 266         return cp;
 267 }
 268
 269 /* determine the number of the new target */
 270 static int new_target_number(void)
 271 {
 272         struct target *t;
 273         int x;
 274
 275         /* number is 0 based */
 276         x = -1;
 277         t = all_targets;
 278         while (t) {
 279                 if (x < t->target_number) {
 280                         x = t->target_number;
 281                 }
 282                 t = t->next;
 283         }
 284         return x + 1;
 285 }
 286
 287 /* read a uint32_t from a buffer in target memory endianness */
 288 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer)
 289 {
 290         if (target->endianness == TARGET_LITTLE_ENDIAN)
 291                 return le_to_h_u32(buffer);
 292         else
 293                 return be_to_h_u32(buffer);
 294 }
 295
 296 /* read a uint24_t from a buffer in target memory endianness */
 297 uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer)
 298 {
 299         if (target->endianness == TARGET_LITTLE_ENDIAN)
 300                 return le_to_h_u24(buffer);
 301         else
 302                 return be_to_h_u24(buffer);
 303 }
 304
 305 /* read a uint16_t from a buffer in target memory endianness */
 306 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer)
 307 {
 308         if (target->endianness == TARGET_LITTLE_ENDIAN)
 309                 return le_to_h_u16(buffer);
 310         else
 311                 return be_to_h_u16(buffer);
 312 }
 313
 314 /* read a uint8_t from a buffer in target memory endianness */
 315 static uint8_t target_buffer_get_u8(struct target *target, const uint8_t *buffer)
 316 {
 317         return *buffer & 0x0ff;
 318 }
 319
 320 /* write a uint32_t to a buffer in target memory endianness */
 321 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value)
 322 {
 323         if (target->endianness == TARGET_LITTLE_ENDIAN)
 324                 h_u32_to_le(buffer, value);
 325         else
 326                 h_u32_to_be(buffer, value);
 327 }
 328
 329 /* write a uint24_t to a buffer in target memory endianness */
 330 void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value)
 331 {
 332         if (target->endianness == TARGET_LITTLE_ENDIAN)
 333                 h_u24_to_le(buffer, value);
 334         else
 335                 h_u24_to_be(buffer, value);
 336 }
 337
 338 /* write a uint16_t to a buffer in target memory endianness */
 339 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value)
 340 {
 341         if (target->endianness == TARGET_LITTLE_ENDIAN)
 342                 h_u16_to_le(buffer, value);
 343         else
 344                 h_u16_to_be(buffer, value);
 345 }
 346
 347 /* write a uint8_t to a buffer in target memory endianness */
 348 static void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
 349 {
 350         *buffer = value;
 351 }
 352
 353 /* write a uint32_t array to a buffer in target memory endianness */
 354 void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf)
 355 {
 356         uint32_t i;
 357         for(i = 0; i < count; i ++)
 358                 dstbuf[i] = target_buffer_get_u32(target,&buffer[i*4]);
 359 }
 360
 361 /* write a uint16_t array to a buffer in target memory endianness */
 362 void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, uint32_t count, uint16_t *dstbuf)
 363 {
 364         uint32_t i;
 365         for(i = 0; i < count; i ++)
 366                 dstbuf[i] = target_buffer_get_u16(target,&buffer[i*2]);
 367 }
 368
 369 /* write a uint32_t array to a buffer in target memory endianness */
 370 void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, uint32_t *srcbuf)
 371 {
 372         uint32_t i;
 373         for(i = 0; i < count; i ++)
 374                 target_buffer_set_u32(target,&buffer[i*4],srcbuf[i]);
 375 }
 376
 377 /* write a uint16_t array to a buffer in target memory endianness */
 378 void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, uint16_t *srcbuf)
 379 {
 380         uint32_t i;
 381         for(i = 0; i < count; i ++)
 382                 target_buffer_set_u16(target,&buffer[i*2],srcbuf[i]);
 383 }
 384
 385 /* return a pointer to a configured target; id is name or number */
 386 struct target *get_target(const char *id)
 387 {
 388         struct target *target;
 389
 390         /* try as tcltarget name */
 391         for (target = all_targets; target; target = target->next) {
 392                 if (target->cmd_name == NULL)
 393                         continue;
 394                 if (strcmp(id, target->cmd_name) == 0)
 395                         return target;
 396         }
 397
 398         /* It's OK to remove this fallback sometime after August 2010 or so */
 399
 400         /* no match, try as number */
 401         unsigned num;
 402         if (parse_uint(id, &num) != ERROR_OK)
 403                 return NULL;
 404
 405         for (target = all_targets; target; target = target->next) {
 406                 if (target->target_number == (int)num) {
 407                         LOG_WARNING("use '%s' as target identifier, not '%u'",
 408                                         target->cmd_name, num);
 409                         return target;
 410                 }
 411         }
 412
 413         return NULL;
 414 }
 415
 416 /* returns a pointer to the n-th configured target */
 417 static struct target *get_target_by_num(int num)
 418 {
 419         struct target *target = all_targets;
 420
 421         while (target) {
 422                 if (target->target_number == num) {
 423                         return target;
 424                 }
 425                 target = target->next;
 426         }
 427
 428         return NULL;
 429 }
 430
 431 struct target* get_current_target(struct command_context *cmd_ctx)
 432 {
 433         struct target *target = get_target_by_num(cmd_ctx->current_target);
 434
 435         if (target == NULL)
 436         {
 437                 LOG_ERROR("BUG: current_target out of bounds");
 438                 exit(-1);
 439         }
 440
 441         return target;
 442 }
 443
 444 int target_poll(struct target *target)
 445 {
 446         int retval;
 447
 448         /* We can't poll until after examine */
 449         if (!target_was_examined(target))
 450         {
 451                 /* Fail silently lest we pollute the log */
 452                 return ERROR_FAIL;
 453         }
 454
 455         retval = target->type->poll(target);
 456         if (retval != ERROR_OK)
 457                 return retval;
 458
 459         if (target->halt_issued)
 460         {
 461                 if (target->state == TARGET_HALTED)
 462                 {
 463                         target->halt_issued = false;
 464                 } else
 465                 {
 466                         long long t = timeval_ms() - target->halt_issued_time;
 467                         if (t>1000)
 468                         {
 469                                 target->halt_issued = false;
 470                                 LOG_INFO("Halt timed out, wake up GDB.");
 471                                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
 472                         }
 473                 }
 474         }
 475
 476         return ERROR_OK;
 477 }
 478
 479 int target_halt(struct target *target)
 480 {
 481         int retval;
 482         /* We can't poll until after examine */
 483         if (!target_was_examined(target))
 484         {
 485                 LOG_ERROR("Target not examined yet");
 486                 return ERROR_FAIL;
 487         }
 488
 489         retval = target->type->halt(target);
 490         if (retval != ERROR_OK)
 491                 return retval;
 492
 493         target->halt_issued = true;
 494         target->halt_issued_time = timeval_ms();
 495
 496         return ERROR_OK;
 497 }
 498
 499 /**
 500  * Make the target (re)start executing using its saved execution
 501  * context (possibly with some modifications).
 502  *
 503  * @param target Which target should start executing.
 504  * @param current True to use the target's saved program counter instead
 505  *      of the address parameter
 506  * @param address Optionally used as the program counter.
 507  * @param handle_breakpoints True iff breakpoints at the resumption PC
 508  *      should be skipped.  (For example, maybe execution was stopped by
 509  *      such a breakpoint, in which case it would be counterprodutive to
 510  *      let it re-trigger.
 511  * @param debug_execution False if all working areas allocated by OpenOCD
 512  *      should be released and/or restored to their original contents.
 513  *      (This would for example be true to run some downloaded "helper"
 514  *      algorithm code, which resides in one such working buffer and uses
 515  *      another for data storage.)
 516  *
 517  * @todo Resolve the ambiguity about what the "debug_execution" flag
 518  * signifies.  For example, Target implementations don't agree on how
 519  * it relates to invalidation of the register cache, or to whether
 520  * breakpoints and watchpoints should be enabled.  (It would seem wrong
 521  * to enable breakpoints when running downloaded "helper" algorithms
 522  * (debug_execution true), since the breakpoints would be set to match
 523  * target firmware being debugged, not the helper algorithm.... and
 524  * enabling them could cause such helpers to malfunction (for example,
 525  * by overwriting data with a breakpoint instruction.  On the other
 526  * hand the infrastructure for running such helpers might use this
 527  * procedure but rely on hardware breakpoint to detect termination.)
 528  */
 529 int target_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
 530 {
 531         int retval;
 532
 533         /* We can't poll until after examine */
 534         if (!target_was_examined(target))
 535         {
 536                 LOG_ERROR("Target not examined yet");
 537                 return ERROR_FAIL;
 538         }
 539
 540         /* note that resume *must* be asynchronous. The CPU can halt before
 541          * we poll. The CPU can even halt at the current PC as a result of
 542          * a software breakpoint being inserted by (a bug?) the application.
 543          */
 544         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 545                 return retval;
 546
 547         return retval;
 548 }
 549
 550 static int target_process_reset(struct command_context *cmd_ctx, enum target_reset_mode reset_mode)
 551 {
 552         char buf[100];
 553         int retval;
 554         Jim_Nvp *n;
 555         n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
 556         if (n->name == NULL) {
 557                 LOG_ERROR("invalid reset mode");
 558                 return ERROR_FAIL;
 559         }
 560
 561         /* disable polling during reset to make reset event scripts
 562          * more predictable, i.e. dr/irscan & pathmove in events will
 563          * not have JTAG operations injected into the middle of a sequence.
 564          */
 565         bool save_poll = jtag_poll_get_enabled();
 566
 567         jtag_poll_set_enabled(false);
 568
 569         sprintf(buf, "ocd_process_reset %s", n->name);
 570         retval = Jim_Eval(cmd_ctx->interp, buf);
 571
 572         jtag_poll_set_enabled(save_poll);
 573
 574         if (retval != JIM_OK) {
 575                 Jim_MakeErrorMessage(cmd_ctx->interp);
 576                 command_print(NULL,"%s\n", Jim_GetString(Jim_GetResult(cmd_ctx->interp), NULL));
 577                 return ERROR_FAIL;
 578         }
 579
 580         /* We want any events to be processed before the prompt */
 581         retval = target_call_timer_callbacks_now();
 582
 583         struct target *target;
 584         for (target = all_targets; target; target = target->next) {
 585                 target->type->check_reset(target);
 586         }
 587
 588         return retval;
 589 }
 590
 591 static int identity_virt2phys(struct target *target,
 592                 uint32_t virtual, uint32_t *physical)
 593 {
 594         *physical = virtual;
 595         return ERROR_OK;
 596 }
 597
 598 static int no_mmu(struct target *target, int *enabled)
 599 {
 600         *enabled = 0;
 601         return ERROR_OK;
 602 }
 603
 604 static int default_examine(struct target *target)
 605 {
 606         target_set_examined(target);
 607         return ERROR_OK;
 608 }
 609
 610 /* no check by default */
 611 static int default_check_reset(struct target *target)
 612 {
 613         return ERROR_OK;
 614 }
 615
 616 int target_examine_one(struct target *target)
 617 {
 618         return target->type->examine(target);
 619 }
 620
 621 static int jtag_enable_callback(enum jtag_event event, void *priv)
 622 {
 623         struct target *target = priv;
 624
 625         if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
 626                 return ERROR_OK;
 627
 628         jtag_unregister_event_callback(jtag_enable_callback, target);
 629         return target_examine_one(target);
 630 }
 631
 632
 633 /* Targets that correctly implement init + examine, i.e.
 634  * no communication with target during init:
 635  *
 636  * XScale
 637  */
 638 int target_examine(void)
 639 {
 640         int retval = ERROR_OK;
 641         struct target *target;
 642
 643         for (target = all_targets; target; target = target->next)
 644         {
 645                 /* defer examination, but don't skip it */
 646                 if (!target->tap->enabled) {
 647                         jtag_register_event_callback(jtag_enable_callback,
 648                                         target);
 649                         continue;
 650                 }
 651                 if ((retval = target_examine_one(target)) != ERROR_OK)
 652                         return retval;
 653         }
 654         return retval;
 655 }
 656 const char *target_type_name(struct target *target)
 657 {
 658         return target->type->name;
 659 }
 660
 661 static int target_write_memory_imp(struct target *target, uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
 662 {
 663         if (!target_was_examined(target))
 664         {
 665                 LOG_ERROR("Target not examined yet");
 666                 return ERROR_FAIL;
 667         }
 668         return target->type->write_memory_imp(target, address, size, count, buffer);
 669 }
 670
 671 static int target_read_memory_imp(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 672 {
 673         if (!target_was_examined(target))
 674         {
 675                 LOG_ERROR("Target not examined yet");
 676                 return ERROR_FAIL;
 677         }
 678         return target->type->read_memory_imp(target, address, size, count, buffer);
 679 }
 680
 681 static int target_soft_reset_halt_imp(struct target *target)
 682 {
 683         if (!target_was_examined(target))
 684         {
 685                 LOG_ERROR("Target not examined yet");
 686                 return ERROR_FAIL;
 687         }
 688         if (!target->type->soft_reset_halt_imp) {
 689                 LOG_ERROR("Target %s does not support soft_reset_halt",
 690                                 target_name(target));
 691                 return ERROR_FAIL;
 692         }
 693         return target->type->soft_reset_halt_imp(target);
 694 }
 695
 696 /**
 697  * Downloads a target-specific native code algorithm to the target,
 698  * and executes it.  * Note that some targets may need to set up, enable,
 699  * and tear down a breakpoint (hard or * soft) to detect algorithm
 700  * termination, while others may support  lower overhead schemes where
 701  * soft breakpoints embedded in the algorithm automatically terminate the
 702  * algorithm.
 703  *
 704  * @param target used to run the algorithm
 705  * @param arch_info target-specific description of the algorithm.
 706  */
 707 int target_run_algorithm(struct target *target,
 708                 int num_mem_params, struct mem_param *mem_params,
 709                 int num_reg_params, struct reg_param *reg_param,
 710                 uint32_t entry_point, uint32_t exit_point,
 711                 int timeout_ms, void *arch_info)
 712 {
 713         int retval = ERROR_FAIL;
 714
 715         if (!target_was_examined(target))
 716         {
 717                 LOG_ERROR("Target not examined yet");
 718                 goto done;
 719         }
 720         if (!target->type->run_algorithm) {
 721                 LOG_ERROR("Target type '%s' does not support %s",
 722                                 target_type_name(target), __func__);
 723                 goto done;
 724         }
 725
 726         target->running_alg = true;
 727         retval = target->type->run_algorithm(target,
 728                         num_mem_params, mem_params,
 729                         num_reg_params, reg_param,
 730                         entry_point, exit_point, timeout_ms, arch_info);
 731         target->running_alg = false;
 732
 733 done:
 734         return retval;
 735 }
 736
 737 /**
 738  * Downloads a target-specific native code algorithm to the target,
 739  * executes and leaves it running.
 740  *
 741  * @param target used to run the algorithm
 742  * @param arch_info target-specific description of the algorithm.
 743  */
 744 int target_start_algorithm(struct target *target,
 745                 int num_mem_params, struct mem_param *mem_params,
 746                 int num_reg_params, struct reg_param *reg_params,
 747                 uint32_t entry_point, uint32_t exit_point,
 748                 void *arch_info)
 749 {
 750         int retval = ERROR_FAIL;
 751
 752         if (!target_was_examined(target))
 753         {
 754                 LOG_ERROR("Target not examined yet");
 755                 goto done;
 756         }
 757         if (!target->type->start_algorithm) {
 758                 LOG_ERROR("Target type '%s' does not support %s",
 759                                 target_type_name(target), __func__);
 760                 goto done;
 761         }
 762         if (target->running_alg) {
 763                 LOG_ERROR("Target is already running an algorithm");
 764                 goto done;
 765         }
 766
 767         target->running_alg = true;
 768         retval = target->type->start_algorithm(target,
 769                         num_mem_params, mem_params,
 770                         num_reg_params, reg_params,
 771                         entry_point, exit_point, arch_info);
 772
 773 done:
 774         return retval;
 775 }
 776
 777 /**
 778  * Waits for an algorithm started with target_start_algorithm() to complete.
 779  *
 780  * @param target used to run the algorithm
 781  * @param arch_info target-specific description of the algorithm.
 782  */
 783 int target_wait_algorithm(struct target *target,
 784                 int num_mem_params, struct mem_param *mem_params,
 785                 int num_reg_params, struct reg_param *reg_params,
 786                 uint32_t exit_point, int timeout_ms,
 787                 void *arch_info)
 788 {
 789         int retval = ERROR_FAIL;
 790
 791         if (!target->type->wait_algorithm) {
 792                 LOG_ERROR("Target type '%s' does not support %s",
 793                                 target_type_name(target), __func__);
 794                 goto done;
 795         }
 796         if (!target->running_alg) {
 797                 LOG_ERROR("Target is not running an algorithm");
 798                 goto done;
 799         }
 800
 801         retval = target->type->wait_algorithm(target,
 802                         num_mem_params, mem_params,
 803                         num_reg_params, reg_params,
 804                         exit_point, timeout_ms, arch_info);
 805         if (retval != ERROR_TARGET_TIMEOUT)
 806                 target->running_alg = false;
 807
 808 done:
 809         return retval;
 810 }
 811
 812
 813 int target_read_memory(struct target *target,
 814                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 815 {
 816         return target->type->read_memory(target, address, size, count, buffer);
 817 }
 818
 819 static int target_read_phys_memory(struct target *target,
 820                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 821 {
 822         return target->type->read_phys_memory(target, address, size, count, buffer);
 823 }
 824
 825 int target_write_memory(struct target *target,
 826                 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
 827 {
 828         return target->type->write_memory(target, address, size, count, buffer);
 829 }
 830
 831 static int target_write_phys_memory(struct target *target,
 832                 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
 833 {
 834         return target->type->write_phys_memory(target, address, size, count, buffer);
 835 }
 836
 837 int target_bulk_write_memory(struct target *target,
 838                 uint32_t address, uint32_t count, const uint8_t *buffer)
 839 {
 840         return target->type->bulk_write_memory(target, address, count, buffer);
 841 }
 842
 843 int target_add_breakpoint(struct target *target,
 844                 struct breakpoint *breakpoint)
 845 {
 846         if ((target->state != TARGET_HALTED)&&(breakpoint->type!=BKPT_HARD)) {
 847                 LOG_WARNING("target %s is not halted", target->cmd_name);
 848                 return ERROR_TARGET_NOT_HALTED;
 849         }
 850         return target->type->add_breakpoint(target, breakpoint);
 851 }
 852
 853 int target_add_context_breakpoint(struct target *target,
 854                 struct breakpoint *breakpoint)
 855 {
 856         if (target->state != TARGET_HALTED) {
 857                 LOG_WARNING("target %s is not halted", target->cmd_name);
 858                 return ERROR_TARGET_NOT_HALTED;
 859         }
 860         return target->type->add_context_breakpoint(target, breakpoint);
 861 }
 862
 863 int target_add_hybrid_breakpoint(struct target *target,
 864                 struct breakpoint *breakpoint)
 865 {
 866         if (target->state != TARGET_HALTED) {
 867                 LOG_WARNING("target %s is not halted", target->cmd_name);
 868                 return ERROR_TARGET_NOT_HALTED;
 869         }
 870         return target->type->add_hybrid_breakpoint(target, breakpoint);
 871 }
 872
 873 int target_remove_breakpoint(struct target *target,
 874                 struct breakpoint *breakpoint)
 875 {
 876         return target->type->remove_breakpoint(target, breakpoint);
 877 }
 878
 879 int target_add_watchpoint(struct target *target,
 880                 struct watchpoint *watchpoint)
 881 {
 882         if (target->state != TARGET_HALTED) {
 883                 LOG_WARNING("target %s is not halted", target->cmd_name);
 884                 return ERROR_TARGET_NOT_HALTED;
 885         }
 886         return target->type->add_watchpoint(target, watchpoint);
 887 }
 888 int target_remove_watchpoint(struct target *target,
 889                 struct watchpoint *watchpoint)
 890 {
 891         return target->type->remove_watchpoint(target, watchpoint);
 892 }
 893
 894 int target_get_gdb_reg_list(struct target *target,
 895                 struct reg **reg_list[], int *reg_list_size)
 896 {
 897         return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
 898 }
 899 int target_step(struct target *target,
 900                 int current, uint32_t address, int handle_breakpoints)
 901 {
 902         return target->type->step(target, current, address, handle_breakpoints);
 903 }
 904
 905
 906 /**
 907  * Reset the @c examined flag for the given target.
 908  * Pure paranoia -- targets are zeroed on allocation.
 909  */
 910 static void target_reset_examined(struct target *target)
 911 {
 912         target->examined = false;
 913 }
 914
 915 static int
 916 err_read_phys_memory(struct target *target, uint32_t address,
 917                 uint32_t size, uint32_t count, uint8_t *buffer)
 918 {
 919         LOG_ERROR("Not implemented: %s", __func__);
 920         return ERROR_FAIL;
 921 }
 922
 923 static int
 924 err_write_phys_memory(struct target *target, uint32_t address,
 925                 uint32_t size, uint32_t count, const uint8_t *buffer)
 926 {
 927         LOG_ERROR("Not implemented: %s", __func__);
 928         return ERROR_FAIL;
 929 }
 930
 931 static int handle_target(void *priv);
 932
 933 static int target_init_one(struct command_context *cmd_ctx,
 934                 struct target *target)
 935 {
 936         target_reset_examined(target);
 937
 938         struct target_type *type = target->type;
 939         if (type->examine == NULL)
 940                 type->examine = default_examine;
 941
 942         if (type->check_reset== NULL)
 943                 type->check_reset = default_check_reset;
 944
 945         assert(type->init_target != NULL);
 946
 947         int retval = type->init_target(cmd_ctx, target);
 948         if (ERROR_OK != retval)
 949         {
 950                 LOG_ERROR("target '%s' init failed", target_name(target));
 951                 return retval;
 952         }
 953
 954         /**
 955          * @todo get rid of those *memory_imp() methods, now that all
 956          * callers are using target_*_memory() accessors ... and make
 957          * sure the "physical" paths handle the same issues.
 958          */
 959         /* a non-invasive way(in terms of patches) to add some code that
 960          * runs before the type->write/read_memory implementation
 961          */
 962         type->write_memory_imp = target->type->write_memory;
 963         type->write_memory = target_write_memory_imp;
 964
 965         type->read_memory_imp = target->type->read_memory;
 966         type->read_memory = target_read_memory_imp;
 967
 968         type->soft_reset_halt_imp = target->type->soft_reset_halt;
 969         type->soft_reset_halt = target_soft_reset_halt_imp;
 970
 971         /* Sanity-check MMU support ... stub in what we must, to help
 972          * implement it in stages, but warn if we need to do so.
 973          */
 974         if (type->mmu)
 975         {
 976                 if (type->write_phys_memory == NULL)
 977                 {
 978                         LOG_ERROR("type '%s' is missing write_phys_memory",
 979                                         type->name);
 980                         type->write_phys_memory = err_write_phys_memory;
 981                 }
 982                 if (type->read_phys_memory == NULL)
 983                 {
 984                         LOG_ERROR("type '%s' is missing read_phys_memory",
 985                                         type->name);
 986                         type->read_phys_memory = err_read_phys_memory;
 987                 }
 988                 if (type->virt2phys == NULL)
 989                 {
 990                         LOG_ERROR("type '%s' is missing virt2phys", type->name);
 991                         type->virt2phys = identity_virt2phys;
 992                 }
 993         }
 994         else
 995         {
 996                 /* Make sure no-MMU targets all behave the same:  make no
 997                  * distinction between physical and virtual addresses, and
 998                  * ensure that virt2phys() is always an identity mapping.
 999                  */
1000                 if (type->write_phys_memory || type->read_phys_memory
1001                                 || type->virt2phys)
1002                 {
1003                         LOG_WARNING("type '%s' has bad MMU hooks", type->name);
1004                 }
1005
1006                 type->mmu = no_mmu;
1007                 type->write_phys_memory = type->write_memory;
1008                 type->read_phys_memory = type->read_memory;
1009                 type->virt2phys = identity_virt2phys;
1010         }
1011
1012         if (target->type->read_buffer == NULL)
1013                 target->type->read_buffer = target_read_buffer_default;
1014
1015         if (target->type->write_buffer == NULL)
1016                 target->type->write_buffer = target_write_buffer_default;
1017
1018         return ERROR_OK;
1019 }
1020
1021 static int target_init(struct command_context *cmd_ctx)
1022 {
1023         struct target *target;
1024         int retval;
1025
1026         for (target = all_targets; target; target = target->next)
1027         {
1028                 retval = target_init_one(cmd_ctx, target);
1029                 if (ERROR_OK != retval)
1030                         return retval;
1031         }
1032
1033         if (!all_targets)
1034                 return ERROR_OK;
1035
1036         retval = target_register_user_commands(cmd_ctx);
1037         if (ERROR_OK != retval)
1038                 return retval;
1039
1040         retval = target_register_timer_callback(&handle_target,
1041                         polling_interval, 1, cmd_ctx->interp);
1042         if (ERROR_OK != retval)
1043                 return retval;
1044
1045         return ERROR_OK;
1046 }
1047
1048 COMMAND_HANDLER(handle_target_init_command)
1049 {
1050         int retval;
1051
1052         if (CMD_ARGC != 0)
1053                 return ERROR_COMMAND_SYNTAX_ERROR;
1054
1055         static bool target_initialized = false;
1056         if (target_initialized)
1057         {
1058                 LOG_INFO("'target init' has already been called");
1059                 return ERROR_OK;
1060         }
1061         target_initialized = true;
1062
1063         retval = command_run_line(CMD_CTX, "init_targets");
1064         if (ERROR_OK != retval)
1065                 return retval;
1066
1067         LOG_DEBUG("Initializing targets...");
1068         return target_init(CMD_CTX);
1069 }
1070
1071 int target_register_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
1072 {
1073         struct target_event_callback **callbacks_p = &target_event_callbacks;
1074
1075         if (callback == NULL)
1076         {
1077                 return ERROR_COMMAND_SYNTAX_ERROR;
1078         }
1079
1080         if (*callbacks_p)
1081         {
1082                 while ((*callbacks_p)->next)
1083                         callbacks_p = &((*callbacks_p)->next);
1084                 callbacks_p = &((*callbacks_p)->next);
1085         }
1086
1087         (*callbacks_p) = malloc(sizeof(struct target_event_callback));
1088         (*callbacks_p)->callback = callback;
1089         (*callbacks_p)->priv = priv;
1090         (*callbacks_p)->next = NULL;
1091
1092         return ERROR_OK;
1093 }
1094
1095 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
1096 {
1097         struct target_timer_callback **callbacks_p = &target_timer_callbacks;
1098         struct timeval now;
1099
1100         if (callback == NULL)
1101         {
1102                 return ERROR_COMMAND_SYNTAX_ERROR;
1103         }
1104
1105         if (*callbacks_p)
1106         {
1107                 while ((*callbacks_p)->next)
1108                         callbacks_p = &((*callbacks_p)->next);
1109                 callbacks_p = &((*callbacks_p)->next);
1110         }
1111
1112         (*callbacks_p) = malloc(sizeof(struct target_timer_callback));
1113         (*callbacks_p)->callback = callback;
1114         (*callbacks_p)->periodic = periodic;
1115         (*callbacks_p)->time_ms = time_ms;
1116
1117         gettimeofday(&now, NULL);
1118         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
1119         time_ms -= (time_ms % 1000);
1120         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
1121         if ((*callbacks_p)->when.tv_usec > 1000000)
1122         {
1123                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
1124                 (*callbacks_p)->when.tv_sec += 1;
1125         }
1126
1127         (*callbacks_p)->priv = priv;
1128         (*callbacks_p)->next = NULL;
1129
1130         return ERROR_OK;
1131 }
1132
1133 int target_unregister_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
1134 {
1135         struct target_event_callback **p = &target_event_callbacks;
1136         struct target_event_callback *c = target_event_callbacks;
1137
1138         if (callback == NULL)
1139         {
1140                 return ERROR_COMMAND_SYNTAX_ERROR;
1141         }
1142
1143         while (c)
1144         {
1145                 struct target_event_callback *next = c->next;
1146                 if ((c->callback == callback) && (c->priv == priv))
1147                 {
1148                         *p = next;
1149                         free(c);
1150                         return ERROR_OK;
1151                 }
1152                 else
1153                         p = &(c->next);
1154                 c = next;
1155         }
1156
1157         return ERROR_OK;
1158 }
1159
1160 static int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
1161 {
1162         struct target_timer_callback **p = &target_timer_callbacks;
1163         struct target_timer_callback *c = target_timer_callbacks;
1164
1165         if (callback == NULL)
1166         {
1167                 return ERROR_COMMAND_SYNTAX_ERROR;
1168         }
1169
1170         while (c)
1171         {
1172                 struct target_timer_callback *next = c->next;
1173                 if ((c->callback == callback) && (c->priv == priv))
1174                 {
1175                         *p = next;
1176                         free(c);
1177                         return ERROR_OK;
1178                 }
1179                 else
1180                         p = &(c->next);
1181                 c = next;
1182         }
1183
1184         return ERROR_OK;
1185 }
1186
1187 int target_call_event_callbacks(struct target *target, enum target_event event)
1188 {
1189         struct target_event_callback *callback = target_event_callbacks;
1190         struct target_event_callback *next_callback;
1191
1192         if (event == TARGET_EVENT_HALTED)
1193         {
1194                 /* execute early halted first */
1195                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1196         }
1197
1198         LOG_DEBUG("target event %i (%s)",
1199                           event,
1200                           Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
1201
1202         target_handle_event(target, event);
1203
1204         while (callback)
1205         {
1206                 next_callback = callback->next;
1207                 callback->callback(target, event, callback->priv);
1208                 callback = next_callback;
1209         }
1210
1211         return ERROR_OK;
1212 }
1213
1214 static int target_timer_callback_periodic_restart(
1215                 struct target_timer_callback *cb, struct timeval *now)
1216 {
1217         int time_ms = cb->time_ms;
1218         cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
1219         time_ms -= (time_ms % 1000);
1220         cb->when.tv_sec = now->tv_sec + time_ms / 1000;
1221         if (cb->when.tv_usec > 1000000)
1222         {
1223                 cb->when.tv_usec = cb->when.tv_usec - 1000000;
1224                 cb->when.tv_sec += 1;
1225         }
1226         return ERROR_OK;
1227 }
1228
1229 static int target_call_timer_callback(struct target_timer_callback *cb,
1230                 struct timeval *now)
1231 {
1232         cb->callback(cb->priv);
1233
1234         if (cb->periodic)
1235                 return target_timer_callback_periodic_restart(cb, now);
1236
1237         return target_unregister_timer_callback(cb->callback, cb->priv);
1238 }
1239
1240 static int target_call_timer_callbacks_check_time(int checktime)
1241 {
1242         keep_alive();
1243
1244         struct timeval now;
1245         gettimeofday(&now, NULL);
1246
1247         struct target_timer_callback *callback = target_timer_callbacks;
1248         while (callback)
1249         {
1250                 // cleaning up may unregister and free this callback
1251                 struct target_timer_callback *next_callback = callback->next;
1252
1253                 bool call_it = callback->callback &&
1254                         ((!checktime && callback->periodic) ||
1255                           now.tv_sec > callback->when.tv_sec ||
1256                          (now.tv_sec == callback->when.tv_sec &&
1257                           now.tv_usec >= callback->when.tv_usec));
1258
1259                 if (call_it)
1260                 {
1261                         int retval = target_call_timer_callback(callback, &now);
1262                         if (retval != ERROR_OK)
1263                                 return retval;
1264                 }
1265
1266                 callback = next_callback;
1267         }
1268
1269         return ERROR_OK;
1270 }
1271
1272 int target_call_timer_callbacks(void)
1273 {
1274         return target_call_timer_callbacks_check_time(1);
1275 }
1276
1277 /* invoke periodic callbacks immediately */
1278 int target_call_timer_callbacks_now(void)
1279 {
1280         return target_call_timer_callbacks_check_time(0);
1281 }
1282
1283 int target_alloc_working_area_try(struct target *target, uint32_t size, struct working_area **area)
1284 {
1285         struct working_area *c = target->working_areas;
1286         struct working_area *new_wa = NULL;
1287
1288         /* Reevaluate working area address based on MMU state*/
1289         if (target->working_areas == NULL)
1290         {
1291                 int retval;
1292                 int enabled;
1293
1294                 retval = target->type->mmu(target, &enabled);
1295                 if (retval != ERROR_OK)
1296                 {
1297                         return retval;
1298                 }
1299
1300                 if (!enabled) {
1301                         if (target->working_area_phys_spec) {
1302                                 LOG_DEBUG("MMU disabled, using physical "
1303                                         "address for working memory 0x%08x",
1304                                         (unsigned)target->working_area_phys);
1305                                 target->working_area = target->working_area_phys;
1306                         } else {
1307                                 LOG_ERROR("No working memory available. "
1308                                         "Specify -work-area-phys to target.");
1309                                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1310                         }
1311                 } else {
1312                         if (target->working_area_virt_spec) {
1313                                 LOG_DEBUG("MMU enabled, using virtual "
1314                                         "address for working memory 0x%08x",
1315                                         (unsigned)target->working_area_virt);
1316                                 target->working_area = target->working_area_virt;
1317                         } else {
1318                                 LOG_ERROR("No working memory available. "
1319                                         "Specify -work-area-virt to target.");
1320                                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1321                         }
1322                 }
1323         }
1324
1325         /* only allocate multiples of 4 byte */
1326         if (size % 4)
1327         {
1328                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1329                 size = (size + 3) & (~3);
1330         }
1331
1332         /* see if there's already a matching working area */
1333         while (c)
1334         {
1335                 if ((c->free) && (c->size == size))
1336                 {
1337                         new_wa = c;
1338                         break;
1339                 }
1340                 c = c->next;
1341         }
1342
1343         /* if not, allocate a new one */
1344         if (!new_wa)
1345         {
1346                 struct working_area **p = &target->working_areas;
1347                 uint32_t first_free = target->working_area;
1348                 uint32_t free_size = target->working_area_size;
1349
1350                 c = target->working_areas;
1351                 while (c)
1352                 {
1353                         first_free += c->size;
1354                         free_size -= c->size;
1355                         p = &c->next;
1356                         c = c->next;
1357                 }
1358
1359                 if (free_size < size)
1360                 {
1361                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1362                 }
1363
1364                 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1365
1366                 new_wa = malloc(sizeof(struct working_area));
1367                 new_wa->next = NULL;
1368                 new_wa->size = size;
1369                 new_wa->address = first_free;
1370
1371                 if (target->backup_working_area)
1372                 {
1373                         int retval;
1374                         new_wa->backup = malloc(new_wa->size);
1375                         if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1376                         {
1377                                 free(new_wa->backup);
1378                                 free(new_wa);
1379                                 return retval;
1380                         }
1381                 }
1382                 else
1383                 {
1384                         new_wa->backup = NULL;
1385                 }
1386
1387                 /* put new entry in list */
1388                 *p = new_wa;
1389         }
1390
1391         /* mark as used, and return the new (reused) area */
1392         new_wa->free = false;
1393         *area = new_wa;
1394
1395         /* user pointer */
1396         new_wa->user = area;
1397
1398         return ERROR_OK;
1399 }
1400
1401 int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
1402 {
1403         int retval;
1404
1405         retval = target_alloc_working_area_try(target, size, area);
1406         if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1407         {
1408                 LOG_WARNING("not enough working area available(requested %u)", (unsigned)(size));
1409         }
1410         return retval;
1411
1412 }
1413
1414 static int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
1415 {
1416         if (area->free)
1417                 return ERROR_OK;
1418
1419         if (restore && target->backup_working_area)
1420         {
1421                 int retval;
1422                 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1423                         return retval;
1424         }
1425
1426         area->free = true;
1427
1428         /* mark user pointer invalid */
1429         *area->user = NULL;
1430         area->user = NULL;
1431
1432         return ERROR_OK;
1433 }
1434
1435 int target_free_working_area(struct target *target, struct working_area *area)
1436 {
1437         return target_free_working_area_restore(target, area, 1);
1438 }
1439
1440 /* free resources and restore memory, if restoring memory fails,
1441  * free up resources anyway
1442  */
1443 static void target_free_all_working_areas_restore(struct target *target, int restore)
1444 {
1445         struct working_area *c = target->working_areas;
1446
1447         while (c)
1448         {
1449                 struct working_area *next = c->next;
1450                 target_free_working_area_restore(target, c, restore);
1451
1452                 if (c->backup)
1453                         free(c->backup);
1454
1455                 free(c);
1456
1457                 c = next;
1458         }
1459
1460         target->working_areas = NULL;
1461 }
1462
1463 void target_free_all_working_areas(struct target *target)
1464 {
1465         target_free_all_working_areas_restore(target, 1);
1466 }
1467
1468 int target_arch_state(struct target *target)
1469 {
1470         int retval;
1471         if (target == NULL)
1472         {
1473                 LOG_USER("No target has been configured");
1474                 return ERROR_OK;
1475         }
1476
1477         LOG_USER("target state: %s", target_state_name( target ));
1478
1479         if (target->state != TARGET_HALTED)
1480                 return ERROR_OK;
1481
1482         retval = target->type->arch_state(target);
1483         return retval;
1484 }
1485
1486 /* Single aligned words are guaranteed to use 16 or 32 bit access
1487  * mode respectively, otherwise data is handled as quickly as
1488  * possible
1489  */
1490 int target_write_buffer(struct target *target, uint32_t address, uint32_t size, const uint8_t *buffer)
1491 {
1492         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1493                   (int)size, (unsigned)address);
1494
1495         if (!target_was_examined(target))
1496         {
1497                 LOG_ERROR("Target not examined yet");
1498                 return ERROR_FAIL;
1499         }
1500
1501         if (size == 0) {
1502                 return ERROR_OK;
1503         }
1504
1505         if ((address + size - 1) < address)
1506         {
1507                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1508                 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1509                                   (unsigned)address,
1510                                   (unsigned)size);
1511                 return ERROR_FAIL;
1512         }
1513
1514         return target->type->write_buffer(target, address, size, buffer);
1515 }
1516
1517 static int target_write_buffer_default(struct target *target, uint32_t address, uint32_t size, const uint8_t *buffer)
1518 {
1519         int retval = ERROR_OK;
1520
1521         if (((address % 2) == 0) && (size == 2))
1522         {
1523                 return target_write_memory(target, address, 2, 1, buffer);
1524         }
1525
1526         /* handle unaligned head bytes */
1527         if (address % 4)
1528         {
1529                 uint32_t unaligned = 4 - (address % 4);
1530
1531                 if (unaligned > size)
1532                         unaligned = size;
1533
1534                 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1535                         return retval;
1536
1537                 buffer += unaligned;
1538                 address += unaligned;
1539                 size -= unaligned;
1540         }
1541
1542         /* handle aligned words */
1543         if (size >= 4)
1544         {
1545                 int aligned = size - (size % 4);
1546
1547                 /* use bulk writes above a certain limit. This may have to be changed */
1548                 if (aligned > 128)
1549                 {
1550                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1551                                 return retval;
1552                 }
1553                 else
1554                 {
1555                         if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1556                                 return retval;
1557                 }
1558
1559                 buffer += aligned;
1560                 address += aligned;
1561                 size -= aligned;
1562         }
1563
1564         /* handle tail writes of less than 4 bytes */
1565         if (size > 0)
1566         {
1567                 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1568                         return retval;
1569         }
1570
1571         return retval;
1572 }
1573
1574 /* Single aligned words are guaranteed to use 16 or 32 bit access
1575  * mode respectively, otherwise data is handled as quickly as
1576  * possible
1577  */
1578 int target_read_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1579 {
1580         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1581                           (int)size, (unsigned)address);
1582
1583         if (!target_was_examined(target))
1584         {
1585                 LOG_ERROR("Target not examined yet");
1586                 return ERROR_FAIL;
1587         }
1588
1589         if (size == 0) {
1590                 return ERROR_OK;
1591         }
1592
1593         if ((address + size - 1) < address)
1594         {
1595                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1596                 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1597                                   address,
1598                                   size);
1599                 return ERROR_FAIL;
1600         }
1601
1602         return target->type->read_buffer(target, address, size, buffer);
1603 }
1604
1605 static int target_read_buffer_default(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1606 {
1607         int retval = ERROR_OK;
1608
1609         if (((address % 2) == 0) && (size == 2))
1610         {
1611                 return target_read_memory(target, address, 2, 1, buffer);
1612         }
1613
1614         /* handle unaligned head bytes */
1615         if (address % 4)
1616         {
1617                 uint32_t unaligned = 4 - (address % 4);
1618
1619                 if (unaligned > size)
1620                         unaligned = size;
1621
1622                 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1623                         return retval;
1624
1625                 buffer += unaligned;
1626                 address += unaligned;
1627                 size -= unaligned;
1628         }
1629
1630         /* handle aligned words */
1631         if (size >= 4)
1632         {
1633                 int aligned = size - (size % 4);
1634
1635                 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1636                         return retval;
1637
1638                 buffer += aligned;
1639                 address += aligned;
1640                 size -= aligned;
1641         }
1642
1643         /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1644         if(size >=2)
1645         {
1646                 int aligned = size - (size%2);
1647                 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1648                 if (retval != ERROR_OK)
1649                         return retval;
1650
1651                 buffer += aligned;
1652                 address += aligned;
1653                 size -= aligned;
1654         }
1655         /* handle tail writes of less than 4 bytes */
1656         if (size > 0)
1657         {
1658                 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1659                         return retval;
1660         }
1661
1662         return ERROR_OK;
1663 }
1664
1665 int target_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* crc)
1666 {
1667         uint8_t *buffer;
1668         int retval;
1669         uint32_t i;
1670         uint32_t checksum = 0;
1671         if (!target_was_examined(target))
1672         {
1673                 LOG_ERROR("Target not examined yet");
1674                 return ERROR_FAIL;
1675         }
1676
1677         if ((retval = target->type->checksum_memory(target, address,
1678                 size, &checksum)) != ERROR_OK)
1679         {
1680                 buffer = malloc(size);
1681                 if (buffer == NULL)
1682                 {
1683                         LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1684                         return ERROR_COMMAND_SYNTAX_ERROR;
1685                 }
1686                 retval = target_read_buffer(target, address, size, buffer);
1687                 if (retval != ERROR_OK)
1688                 {
1689                         free(buffer);
1690                         return retval;
1691                 }
1692
1693                 /* convert to target endianness */
1694                 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1695                 {
1696                         uint32_t target_data;
1697                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1698                         target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1699                 }
1700
1701                 retval = image_calculate_checksum(buffer, size, &checksum);
1702                 free(buffer);
1703         }
1704
1705         *crc = checksum;
1706
1707         return retval;
1708 }
1709
1710 int target_blank_check_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* blank)
1711 {
1712         int retval;
1713         if (!target_was_examined(target))
1714         {
1715                 LOG_ERROR("Target not examined yet");
1716                 return ERROR_FAIL;
1717         }
1718
1719         if (target->type->blank_check_memory == 0)
1720                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1721
1722         retval = target->type->blank_check_memory(target, address, size, blank);
1723
1724         return retval;
1725 }
1726
1727 int target_read_u32(struct target *target, uint32_t address, uint32_t *value)
1728 {
1729         uint8_t value_buf[4];
1730         if (!target_was_examined(target))
1731         {
1732                 LOG_ERROR("Target not examined yet");
1733                 return ERROR_FAIL;
1734         }
1735
1736         int retval = target_read_memory(target, address, 4, 1, value_buf);
1737
1738         if (retval == ERROR_OK)
1739         {
1740                 *value = target_buffer_get_u32(target, value_buf);
1741                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1742                                   address,
1743                                   *value);
1744         }
1745         else
1746         {
1747                 *value = 0x0;
1748                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1749                                   address);
1750         }
1751
1752         return retval;
1753 }
1754
1755 int target_read_u16(struct target *target, uint32_t address, uint16_t *value)
1756 {
1757         uint8_t value_buf[2];
1758         if (!target_was_examined(target))
1759         {
1760                 LOG_ERROR("Target not examined yet");
1761                 return ERROR_FAIL;
1762         }
1763
1764         int retval = target_read_memory(target, address, 2, 1, value_buf);
1765
1766         if (retval == ERROR_OK)
1767         {
1768                 *value = target_buffer_get_u16(target, value_buf);
1769                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1770                                   address,
1771                                   *value);
1772         }
1773         else
1774         {
1775                 *value = 0x0;
1776                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1777                                   address);
1778         }
1779
1780         return retval;
1781 }
1782
1783 int target_read_u8(struct target *target, uint32_t address, uint8_t *value)
1784 {
1785         int retval = target_read_memory(target, address, 1, 1, value);
1786         if (!target_was_examined(target))
1787         {
1788                 LOG_ERROR("Target not examined yet");
1789                 return ERROR_FAIL;
1790         }
1791
1792         if (retval == ERROR_OK)
1793         {
1794                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1795                                   address,
1796                                   *value);
1797         }
1798         else
1799         {
1800                 *value = 0x0;
1801                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1802                                   address);
1803         }
1804
1805         return retval;
1806 }
1807
1808 int target_write_u32(struct target *target, uint32_t address, uint32_t value)
1809 {
1810         int retval;
1811         uint8_t value_buf[4];
1812         if (!target_was_examined(target))
1813         {
1814                 LOG_ERROR("Target not examined yet");
1815                 return ERROR_FAIL;
1816         }
1817
1818         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1819                           address,
1820                           value);
1821
1822         target_buffer_set_u32(target, value_buf, value);
1823         if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1824         {
1825                 LOG_DEBUG("failed: %i", retval);
1826         }
1827
1828         return retval;
1829 }
1830
1831 int target_write_u16(struct target *target, uint32_t address, uint16_t value)
1832 {
1833         int retval;
1834         uint8_t value_buf[2];
1835         if (!target_was_examined(target))
1836         {
1837                 LOG_ERROR("Target not examined yet");
1838                 return ERROR_FAIL;
1839         }
1840
1841         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1842                           address,
1843                           value);
1844
1845         target_buffer_set_u16(target, value_buf, value);
1846         if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1847         {
1848                 LOG_DEBUG("failed: %i", retval);
1849         }
1850
1851         return retval;
1852 }
1853
1854 int target_write_u8(struct target *target, uint32_t address, uint8_t value)
1855 {
1856         int retval;
1857         if (!target_was_examined(target))
1858         {
1859                 LOG_ERROR("Target not examined yet");
1860                 return ERROR_FAIL;
1861         }
1862
1863         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1864                           address, value);
1865
1866         if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1867         {
1868                 LOG_DEBUG("failed: %i", retval);
1869         }
1870
1871         return retval;
1872 }
1873
1874 static int find_target(struct command_context *cmd_ctx, const char *name)
1875 {
1876         struct target *target = get_target(name);
1877         if (target == NULL) {
1878                 LOG_ERROR("Target: %s is unknown, try one of:\n", name);
1879                 return ERROR_FAIL;
1880         }
1881         if (!target->tap->enabled) {
1882                 LOG_USER("Target: TAP %s is disabled, "
1883                          "can't be the current target\n",
1884                          target->tap->dotted_name);
1885                 return ERROR_FAIL;
1886         }
1887
1888         cmd_ctx->current_target = target->target_number;
1889         return ERROR_OK;
1890 }
1891
1892
1893 COMMAND_HANDLER(handle_targets_command)
1894 {
1895         int retval = ERROR_OK;
1896         if (CMD_ARGC == 1)
1897         {
1898                 retval = find_target(CMD_CTX, CMD_ARGV[0]);
1899                 if (retval == ERROR_OK) {
1900                         /* we're done! */
1901                         return retval;
1902                 }
1903         }
1904
1905         struct target *target = all_targets;
1906         command_print(CMD_CTX, "    TargetName         Type       Endian TapName            State       ");
1907         command_print(CMD_CTX, "--  ------------------ ---------- ------ ------------------ ------------");
1908         while (target)
1909         {
1910                 const char *state;
1911                 char marker = ' ';
1912
1913                 if (target->tap->enabled)
1914                         state = target_state_name( target );
1915                 else
1916                         state = "tap-disabled";
1917
1918                 if (CMD_CTX->current_target == target->target_number)
1919                         marker = '*';
1920
1921                 /* keep columns lined up to match the headers above */
1922                 command_print(CMD_CTX,
1923                                 "%2d%c %-18s %-10s %-6s %-18s %s",
1924                                 target->target_number,
1925                                 marker,
1926                                 target_name(target),
1927                                 target_type_name(target),
1928                                 Jim_Nvp_value2name_simple(nvp_target_endian,
1929                                         target->endianness)->name,
1930                                 target->tap->dotted_name,
1931                                 state);
1932                 target = target->next;
1933         }
1934
1935         return retval;
1936 }
1937
1938 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1939
1940 static int powerDropout;
1941 static int srstAsserted;
1942
1943 static int runPowerRestore;
1944 static int runPowerDropout;
1945 static int runSrstAsserted;
1946 static int runSrstDeasserted;
1947
1948 static int sense_handler(void)
1949 {
1950         static int prevSrstAsserted = 0;
1951         static int prevPowerdropout = 0;
1952
1953         int retval;
1954         if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1955                 return retval;
1956
1957         int powerRestored;
1958         powerRestored = prevPowerdropout && !powerDropout;
1959         if (powerRestored)
1960         {
1961                 runPowerRestore = 1;
1962         }
1963
1964         long long current = timeval_ms();
1965         static long long lastPower = 0;
1966         int waitMore = lastPower + 2000 > current;
1967         if (powerDropout && !waitMore)
1968         {
1969                 runPowerDropout = 1;
1970                 lastPower = current;
1971         }
1972
1973         if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1974                 return retval;
1975
1976         int srstDeasserted;
1977         srstDeasserted = prevSrstAsserted && !srstAsserted;
1978
1979         static long long lastSrst = 0;
1980         waitMore = lastSrst + 2000 > current;
1981         if (srstDeasserted && !waitMore)
1982         {
1983                 runSrstDeasserted = 1;
1984                 lastSrst = current;
1985         }
1986
1987         if (!prevSrstAsserted && srstAsserted)
1988         {
1989                 runSrstAsserted = 1;
1990         }
1991
1992         prevSrstAsserted = srstAsserted;
1993         prevPowerdropout = powerDropout;
1994
1995         if (srstDeasserted || powerRestored)
1996         {
1997                 /* Other than logging the event we can't do anything here.
1998                  * Issuing a reset is a particularly bad idea as we might
1999                  * be inside a reset already.
2000                  */
2001         }
2002
2003         return ERROR_OK;
2004 }
2005
2006 static int backoff_times = 0;
2007 static int backoff_count = 0;
2008
2009 /* process target state changes */
2010 static int handle_target(void *priv)
2011 {
2012         Jim_Interp *interp = (Jim_Interp *)priv;
2013         int retval = ERROR_OK;
2014
2015         if (!is_jtag_poll_safe())
2016         {
2017                 /* polling is disabled currently */
2018                 return ERROR_OK;
2019         }
2020
2021         /* we do not want to recurse here... */
2022         static int recursive = 0;
2023         if (! recursive)
2024         {
2025                 recursive = 1;
2026                 sense_handler();
2027                 /* danger! running these procedures can trigger srst assertions and power dropouts.
2028                  * We need to avoid an infinite loop/recursion here and we do that by
2029                  * clearing the flags after running these events.
2030                  */
2031                 int did_something = 0;
2032                 if (runSrstAsserted)
2033                 {
2034                         LOG_INFO("srst asserted detected, running srst_asserted proc.");
2035                         Jim_Eval(interp, "srst_asserted");
2036                         did_something = 1;
2037                 }
2038                 if (runSrstDeasserted)
2039                 {
2040                         Jim_Eval(interp, "srst_deasserted");
2041                         did_something = 1;
2042                 }
2043                 if (runPowerDropout)
2044                 {
2045                         LOG_INFO("Power dropout detected, running power_dropout proc.");
2046                         Jim_Eval(interp, "power_dropout");
2047                         did_something = 1;
2048                 }
2049                 if (runPowerRestore)
2050                 {
2051                         Jim_Eval(interp, "power_restore");
2052                         did_something = 1;
2053                 }
2054
2055                 if (did_something)
2056                 {
2057                         /* clear detect flags */
2058                         sense_handler();
2059                 }
2060
2061                 /* clear action flags */
2062
2063                 runSrstAsserted = 0;
2064                 runSrstDeasserted = 0;
2065                 runPowerRestore = 0;
2066                 runPowerDropout = 0;
2067
2068                 recursive = 0;
2069         }
2070
2071         if (backoff_times > backoff_count)
2072         {
2073                 /* do not poll this time as we failed previously */
2074                 backoff_count++;
2075                 return ERROR_OK;
2076         }
2077         backoff_count = 0;
2078
2079         /* Poll targets for state changes unless that's globally disabled.
2080          * Skip targets that are currently disabled.
2081          */
2082         for (struct target *target = all_targets;
2083                         is_jtag_poll_safe() && target;
2084                         target = target->next)
2085         {
2086                 if (!target->tap->enabled)
2087                         continue;
2088
2089                 /* only poll target if we've got power and srst isn't asserted */
2090                 if (!powerDropout && !srstAsserted)
2091                 {
2092                         /* polling may fail silently until the target has been examined */
2093                         if ((retval = target_poll(target)) != ERROR_OK)
2094                         {
2095                                 /* 100ms polling interval. Increase interval between polling up to 5000ms */
2096                                 if (backoff_times * polling_interval < 5000)
2097                                 {
2098                                         backoff_times *= 2;
2099                                         backoff_times++;
2100                                 }
2101                                 LOG_USER("Polling target failed, GDB will be halted. Polling again in %dms", backoff_times * polling_interval);
2102
2103                                 /* Tell GDB to halt the debugger. This allows the user to
2104                                  * run monitor commands to handle the situation.
2105                                  */
2106                                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
2107                                 return retval;
2108                         }
2109                         /* Since we succeeded, we reset backoff count */
2110                         if (backoff_times > 0)
2111                         {
2112                                 LOG_USER("Polling succeeded again");
2113                         }
2114                         backoff_times = 0;
2115                 }
2116         }
2117
2118         return retval;
2119 }
2120
2121 COMMAND_HANDLER(handle_reg_command)
2122 {
2123         struct target *target;
2124         struct reg *reg = NULL;
2125         unsigned count = 0;
2126         char *value;
2127
2128         LOG_DEBUG("-");
2129
2130         target = get_current_target(CMD_CTX);
2131
2132         /* list all available registers for the current target */
2133         if (CMD_ARGC == 0)
2134         {
2135                 struct reg_cache *cache = target->reg_cache;
2136
2137                 count = 0;
2138                 while (cache)
2139                 {
2140                         unsigned i;
2141
2142                         command_print(CMD_CTX, "===== %s", cache->name);
2143
2144                         for (i = 0, reg = cache->reg_list;
2145                                         i < cache->num_regs;
2146                                         i++, reg++, count++)
2147                         {
2148                                 /* only print cached values if they are valid */
2149                                 if (reg->valid) {
2150                                         value = buf_to_str(reg->value,
2151                                                         reg->size, 16);
2152                                         command_print(CMD_CTX,
2153                                                         "(%i) %s (/%" PRIu32 "): 0x%s%s",
2154                                                         count, reg->name,
2155                                                         reg->size, value,
2156                                                         reg->dirty
2157                                                                 ? " (dirty)"
2158                                                                 : "");
2159                                         free(value);
2160                                 } else {
2161                                         command_print(CMD_CTX, "(%i) %s (/%" PRIu32 ")",
2162                                                           count, reg->name,
2163                                                           reg->size) ;
2164                                 }
2165                         }
2166                         cache = cache->next;
2167                 }
2168
2169                 return ERROR_OK;
2170         }
2171
2172         /* access a single register by its ordinal number */
2173         if ((CMD_ARGV[0][0] >= '0') && (CMD_ARGV[0][0] <= '9'))
2174         {
2175                 unsigned num;
2176                 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num);
2177
2178                 struct reg_cache *cache = target->reg_cache;
2179                 count = 0;
2180                 while (cache)
2181                 {
2182                         unsigned i;
2183                         for (i = 0; i < cache->num_regs; i++)
2184                         {
2185                                 if (count++ == num)
2186                                 {
2187                                         reg = &cache->reg_list[i];
2188                                         break;
2189                                 }
2190                         }
2191                         if (reg)
2192                                 break;
2193                         cache = cache->next;
2194                 }
2195
2196                 if (!reg)
2197                 {
2198                         command_print(CMD_CTX, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
2199                         return ERROR_OK;
2200                 }
2201         } else /* access a single register by its name */
2202         {
2203                 reg = register_get_by_name(target->reg_cache, CMD_ARGV[0], 1);
2204
2205                 if (!reg)
2206                 {
2207                         command_print(CMD_CTX, "register %s not found in current target", CMD_ARGV[0]);
2208                         return ERROR_OK;
2209                 }
2210         }
2211
2212         assert(reg != NULL); /* give clang a hint that we *know* reg is != NULL here */
2213
2214         /* display a register */
2215         if ((CMD_ARGC == 1) || ((CMD_ARGC == 2) && !((CMD_ARGV[1][0] >= '0') && (CMD_ARGV[1][0] <= '9'))))
2216         {
2217                 if ((CMD_ARGC == 2) && (strcmp(CMD_ARGV[1], "force") == 0))
2218                         reg->valid = 0;
2219
2220                 if (reg->valid == 0)
2221                 {
2222                         reg->type->get(reg);
2223                 }
2224                 value = buf_to_str(reg->value, reg->size, 16);
2225                 command_print(CMD_CTX, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2226                 free(value);
2227                 return ERROR_OK;
2228         }
2229
2230         /* set register value */
2231         if (CMD_ARGC == 2)
2232         {
2233                 uint8_t *buf = malloc(DIV_ROUND_UP(reg->size, 8));
2234                 if (buf == NULL)
2235                         return ERROR_FAIL;
2236                 str_to_buf(CMD_ARGV[1], strlen(CMD_ARGV[1]), buf, reg->size, 0);
2237
2238                 reg->type->set(reg, buf);
2239
2240                 value = buf_to_str(reg->value, reg->size, 16);
2241                 command_print(CMD_CTX, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2242                 free(value);
2243
2244                 free(buf);
2245
2246                 return ERROR_OK;
2247         }
2248
2249         return ERROR_COMMAND_SYNTAX_ERROR;
2250 }
2251
2252 COMMAND_HANDLER(handle_poll_command)
2253 {
2254         int retval = ERROR_OK;
2255         struct target *target = get_current_target(CMD_CTX);
2256
2257         if (CMD_ARGC == 0)
2258         {
2259                 command_print(CMD_CTX, "background polling: %s",
2260                                 jtag_poll_get_enabled() ? "on" : "off");
2261                 command_print(CMD_CTX, "TAP: %s (%s)",
2262                                 target->tap->dotted_name,
2263                                 target->tap->enabled ? "enabled" : "disabled");
2264                 if (!target->tap->enabled)
2265                         return ERROR_OK;
2266                 if ((retval = target_poll(target)) != ERROR_OK)
2267                         return retval;
2268                 if ((retval = target_arch_state(target)) != ERROR_OK)
2269                         return retval;
2270         }
2271         else if (CMD_ARGC == 1)
2272         {
2273                 bool enable;
2274                 COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable);
2275                 jtag_poll_set_enabled(enable);
2276         }
2277         else
2278         {
2279                 return ERROR_COMMAND_SYNTAX_ERROR;
2280         }
2281
2282         return retval;
2283 }
2284
2285 COMMAND_HANDLER(handle_wait_halt_command)
2286 {
2287         if (CMD_ARGC > 1)
2288                 return ERROR_COMMAND_SYNTAX_ERROR;
2289
2290         unsigned ms = 5000;
2291         if (1 == CMD_ARGC)
2292         {
2293                 int retval = parse_uint(CMD_ARGV[0], &ms);
2294                 if (ERROR_OK != retval)
2295                 {
2296                         return ERROR_COMMAND_SYNTAX_ERROR;
2297                 }
2298                 // convert seconds (given) to milliseconds (needed)
2299                 ms *= 1000;
2300         }
2301
2302         struct target *target = get_current_target(CMD_CTX);
2303         return target_wait_state(target, TARGET_HALTED, ms);
2304 }
2305
2306 /* wait for target state to change. The trick here is to have a low
2307  * latency for short waits and not to suck up all the CPU time
2308  * on longer waits.
2309  *
2310  * After 500ms, keep_alive() is invoked
2311  */
2312 int target_wait_state(struct target *target, enum target_state state, int ms)
2313 {
2314         int retval;
2315         long long then = 0, cur;
2316         int once = 1;
2317
2318         for (;;)
2319         {
2320                 if ((retval = target_poll(target)) != ERROR_OK)
2321                         return retval;
2322                 if (target->state == state)
2323                 {
2324                         break;
2325                 }
2326                 cur = timeval_ms();
2327                 if (once)
2328                 {
2329                         once = 0;
2330                         then = timeval_ms();
2331                         LOG_DEBUG("waiting for target %s...",
2332                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2333                 }
2334
2335                 if (cur-then > 500)
2336                 {
2337                         keep_alive();
2338                 }
2339
2340                 if ((cur-then) > ms)
2341                 {
2342                         LOG_ERROR("timed out while waiting for target %s",
2343                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2344                         return ERROR_FAIL;
2345                 }
2346         }
2347
2348         return ERROR_OK;
2349 }
2350
2351 COMMAND_HANDLER(handle_halt_command)
2352 {
2353         LOG_DEBUG("-");
2354
2355         struct target *target = get_current_target(CMD_CTX);
2356         int retval = target_halt(target);
2357         if (ERROR_OK != retval)
2358                 return retval;
2359
2360         if (CMD_ARGC == 1)
2361         {
2362                 unsigned wait_local;
2363                 retval = parse_uint(CMD_ARGV[0], &wait_local);
2364                 if (ERROR_OK != retval)
2365                         return ERROR_COMMAND_SYNTAX_ERROR;
2366                 if (!wait_local)
2367                         return ERROR_OK;
2368         }
2369
2370         return CALL_COMMAND_HANDLER(handle_wait_halt_command);
2371 }
2372
2373 COMMAND_HANDLER(handle_soft_reset_halt_command)
2374 {
2375         struct target *target = get_current_target(CMD_CTX);
2376
2377         LOG_USER("requesting target halt and executing a soft reset");
2378
2379         target->type->soft_reset_halt(target);
2380
2381         return ERROR_OK;
2382 }
2383
2384 COMMAND_HANDLER(handle_reset_command)
2385 {
2386         if (CMD_ARGC > 1)
2387                 return ERROR_COMMAND_SYNTAX_ERROR;
2388
2389         enum target_reset_mode reset_mode = RESET_RUN;
2390         if (CMD_ARGC == 1)
2391         {
2392                 const Jim_Nvp *n;
2393                 n = Jim_Nvp_name2value_simple(nvp_reset_modes, CMD_ARGV[0]);
2394                 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2395                         return ERROR_COMMAND_SYNTAX_ERROR;
2396                 }
2397                 reset_mode = n->value;
2398         }
2399
2400         /* reset *all* targets */
2401         return target_process_reset(CMD_CTX, reset_mode);
2402 }
2403
2404
2405 COMMAND_HANDLER(handle_resume_command)
2406 {
2407         int current = 1;
2408         if (CMD_ARGC > 1)
2409                 return ERROR_COMMAND_SYNTAX_ERROR;
2410
2411         struct target *target = get_current_target(CMD_CTX);
2412         target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2413
2414         /* with no CMD_ARGV, resume from current pc, addr = 0,
2415          * with one arguments, addr = CMD_ARGV[0],
2416          * handle breakpoints, not debugging */
2417         uint32_t addr = 0;
2418         if (CMD_ARGC == 1)
2419         {
2420                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2421                 current = 0;
2422         }
2423
2424         return target_resume(target, current, addr, 1, 0);
2425 }
2426
2427 COMMAND_HANDLER(handle_step_command)
2428 {
2429         if (CMD_ARGC > 1)
2430                 return ERROR_COMMAND_SYNTAX_ERROR;
2431
2432         LOG_DEBUG("-");
2433
2434         /* with no CMD_ARGV, step from current pc, addr = 0,
2435          * with one argument addr = CMD_ARGV[0],
2436          * handle breakpoints, debugging */
2437         uint32_t addr = 0;
2438         int current_pc = 1;
2439         if (CMD_ARGC == 1)
2440         {
2441                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2442                 current_pc = 0;
2443         }
2444
2445         struct target *target = get_current_target(CMD_CTX);
2446
2447         return target->type->step(target, current_pc, addr, 1);
2448 }
2449
2450 static void handle_md_output(struct command_context *cmd_ctx,
2451                 struct target *target, uint32_t address, unsigned size,
2452                 unsigned count, const uint8_t *buffer)
2453 {
2454         const unsigned line_bytecnt = 32;
2455         unsigned line_modulo = line_bytecnt / size;
2456
2457         char output[line_bytecnt * 4 + 1];
2458         unsigned output_len = 0;
2459
2460         const char *value_fmt;
2461         switch (size) {
2462         case 4: value_fmt = "%8.8x "; break;
2463         case 2: value_fmt = "%4.4x "; break;
2464         case 1: value_fmt = "%2.2x "; break;
2465         default:
2466                 /* "can't happen", caller checked */
2467                 LOG_ERROR("invalid memory read size: %u", size);
2468                 return;
2469         }
2470
2471         for (unsigned i = 0; i < count; i++)
2472         {
2473                 if (i % line_modulo == 0)
2474                 {
2475                         output_len += snprintf(output + output_len,
2476                                         sizeof(output) - output_len,
2477                                         "0x%8.8x: ",
2478                                         (unsigned)(address + (i*size)));
2479                 }
2480
2481                 uint32_t value = 0;
2482                 const uint8_t *value_ptr = buffer + i * size;
2483                 switch (size) {
2484                 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2485                 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2486                 case 1: value = *value_ptr;
2487                 }
2488                 output_len += snprintf(output + output_len,
2489                                 sizeof(output) - output_len,
2490                                 value_fmt, value);
2491
2492                 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2493                 {
2494                         command_print(cmd_ctx, "%s", output);
2495                         output_len = 0;
2496                 }
2497         }
2498 }
2499
2500 COMMAND_HANDLER(handle_md_command)
2501 {
2502         if (CMD_ARGC < 1)
2503                 return ERROR_COMMAND_SYNTAX_ERROR;
2504
2505         unsigned size = 0;
2506         switch (CMD_NAME[2]) {
2507         case 'w': size = 4; break;
2508         case 'h': size = 2; break;
2509         case 'b': size = 1; break;
2510         default: return ERROR_COMMAND_SYNTAX_ERROR;
2511         }
2512
2513         bool physical=strcmp(CMD_ARGV[0], "phys")==0;
2514         int (*fn)(struct target *target,
2515                         uint32_t address, uint32_t size_value, uint32_t count, uint8_t *buffer);
2516         if (physical)
2517         {
2518                 CMD_ARGC--;
2519                 CMD_ARGV++;
2520                 fn=target_read_phys_memory;
2521         } else
2522         {
2523                 fn=target_read_memory;
2524         }
2525         if ((CMD_ARGC < 1) || (CMD_ARGC > 2))
2526         {
2527                 return ERROR_COMMAND_SYNTAX_ERROR;
2528         }
2529
2530         uint32_t address;
2531         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2532
2533         unsigned count = 1;
2534         if (CMD_ARGC == 2)
2535                 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], count);
2536
2537         uint8_t *buffer = calloc(count, size);
2538
2539         struct target *target = get_current_target(CMD_CTX);
2540         int retval = fn(target, address, size, count, buffer);
2541         if (ERROR_OK == retval)
2542                 handle_md_output(CMD_CTX, target, address, size, count, buffer);
2543
2544         free(buffer);
2545
2546         return retval;
2547 }
2548
2549 typedef int (*target_write_fn)(struct target *target,
2550                 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
2551
2552 static int target_write_memory_fast(struct target *target,
2553                 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
2554 {
2555         return target_write_buffer(target, address, size * count, buffer);
2556 }
2557
2558 static int target_fill_mem(struct target *target,
2559                 uint32_t address,
2560                 target_write_fn fn,
2561                 unsigned data_size,
2562                 /* value */
2563                 uint32_t b,
2564                 /* count */
2565                 unsigned c)
2566 {
2567         /* We have to write in reasonably large chunks to be able
2568          * to fill large memory areas with any sane speed */
2569         const unsigned chunk_size = 16384;
2570         uint8_t *target_buf = malloc(chunk_size * data_size);
2571         if (target_buf == NULL)
2572         {
2573                 LOG_ERROR("Out of memory");
2574                 return ERROR_FAIL;
2575         }
2576
2577         for (unsigned i = 0; i < chunk_size; i ++)
2578         {
2579                 switch (data_size)
2580                 {
2581                 case 4:
2582                         target_buffer_set_u32(target, target_buf + i*data_size, b);
2583                         break;
2584                 case 2:
2585                         target_buffer_set_u16(target, target_buf + i*data_size, b);
2586                         break;
2587                 case 1:
2588                         target_buffer_set_u8(target, target_buf + i*data_size, b);
2589                         break;
2590                 default:
2591                         exit(-1);
2592                 }
2593         }
2594
2595         int retval = ERROR_OK;
2596
2597         for (unsigned x = 0; x < c; x += chunk_size)
2598         {
2599                 unsigned current;
2600                 current = c - x;
2601                 if (current > chunk_size)
2602                 {
2603                         current = chunk_size;
2604                 }
2605                 retval = fn(target, address + x * data_size, data_size, current, target_buf);
2606                 if (retval != ERROR_OK)
2607                 {
2608                         break;
2609                 }
2610                 /* avoid GDB timeouts */
2611                 keep_alive();
2612         }
2613         free(target_buf);
2614
2615         return retval;
2616 }
2617
2618
2619 COMMAND_HANDLER(handle_mw_command)
2620 {
2621         if (CMD_ARGC < 2)
2622         {
2623                 return ERROR_COMMAND_SYNTAX_ERROR;
2624         }
2625         bool physical=strcmp(CMD_ARGV[0], "phys")==0;
2626         target_write_fn fn;
2627         if (physical)
2628         {
2629                 CMD_ARGC--;
2630                 CMD_ARGV++;
2631                 fn=target_write_phys_memory;
2632         } else
2633         {
2634                 fn = target_write_memory_fast;
2635         }
2636         if ((CMD_ARGC < 2) || (CMD_ARGC > 3))
2637                 return ERROR_COMMAND_SYNTAX_ERROR;
2638
2639         uint32_t address;
2640         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2641
2642         uint32_t value;
2643         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
2644
2645         unsigned count = 1;
2646         if (CMD_ARGC == 3)
2647                 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[2], count);
2648
2649         struct target *target = get_current_target(CMD_CTX);
2650         unsigned wordsize;
2651         switch (CMD_NAME[2])
2652         {
2653                 case 'w':
2654                         wordsize = 4;
2655                         break;
2656                 case 'h':
2657                         wordsize = 2;
2658                         break;
2659                 case 'b':
2660                         wordsize = 1;
2661                         break;
2662                 default:
2663                         return ERROR_COMMAND_SYNTAX_ERROR;
2664         }
2665
2666         return target_fill_mem(target, address, fn, wordsize, value, count);
2667 }
2668
2669 static COMMAND_HELPER(parse_load_image_command_CMD_ARGV, struct image *image,
2670                 uint32_t *min_address, uint32_t *max_address)
2671 {
2672         if (CMD_ARGC < 1 || CMD_ARGC > 5)
2673                 return ERROR_COMMAND_SYNTAX_ERROR;
2674
2675         /* a base address isn't always necessary,
2676          * default to 0x0 (i.e. don't relocate) */
2677         if (CMD_ARGC >= 2)
2678         {
2679                 uint32_t addr;
2680                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], addr);
2681                 image->base_address = addr;
2682                 image->base_address_set = 1;
2683         }
2684         else
2685                 image->base_address_set = 0;
2686
2687         image->start_address_set = 0;
2688
2689         if (CMD_ARGC >= 4)
2690         {
2691                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], *min_address);
2692         }
2693         if (CMD_ARGC == 5)
2694         {
2695                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], *max_address);
2696                 // use size (given) to find max (required)
2697                 *max_address += *min_address;
2698         }
2699
2700         if (*min_address > *max_address)
2701                 return ERROR_COMMAND_SYNTAX_ERROR;
2702
2703         return ERROR_OK;
2704 }
2705
2706 COMMAND_HANDLER(handle_load_image_command)
2707 {
2708         uint8_t *buffer;
2709         size_t buf_cnt;
2710         uint32_t image_size;
2711         uint32_t min_address = 0;
2712         uint32_t max_address = 0xffffffff;
2713         int i;
2714         struct image image;
2715
2716         int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
2717                         &image, &min_address, &max_address);
2718         if (ERROR_OK != retval)
2719                 return retval;
2720
2721         struct target *target = get_current_target(CMD_CTX);
2722
2723         struct duration bench;
2724         duration_start(&bench);
2725
2726         if (image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL) != ERROR_OK)
2727         {
2728                 return ERROR_OK;
2729         }
2730
2731         image_size = 0x0;
2732         retval = ERROR_OK;
2733         for (i = 0; i < image.num_sections; i++)
2734         {
2735                 buffer = malloc(image.sections[i].size);
2736                 if (buffer == NULL)
2737                 {
2738                         command_print(CMD_CTX,
2739                                                   "error allocating buffer for section (%d bytes)",
2740                                                   (int)(image.sections[i].size));
2741                         break;
2742                 }
2743
2744                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2745                 {
2746                         free(buffer);
2747                         break;
2748                 }
2749
2750                 uint32_t offset = 0;
2751                 uint32_t length = buf_cnt;
2752
2753                 /* DANGER!!! beware of unsigned comparision here!!! */
2754
2755                 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2756                                 (image.sections[i].base_address < max_address))
2757                 {
2758                         if (image.sections[i].base_address < min_address)
2759                         {
2760                                 /* clip addresses below */
2761                                 offset += min_address-image.sections[i].base_address;
2762                                 length -= offset;
2763                         }
2764
2765                         if (image.sections[i].base_address + buf_cnt > max_address)
2766                         {
2767                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2768                         }
2769
2770                         if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2771                         {
2772                                 free(buffer);
2773                                 break;
2774                         }
2775                         image_size += length;
2776                         command_print(CMD_CTX, "%u bytes written at address 0x%8.8" PRIx32 "",
2777                                                   (unsigned int)length,
2778                                                   image.sections[i].base_address + offset);
2779                 }
2780
2781                 free(buffer);
2782         }
2783
2784         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2785         {
2786                 command_print(CMD_CTX, "downloaded %" PRIu32 " bytes "
2787                                 "in %fs (%0.3f KiB/s)", image_size,
2788                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2789         }
2790
2791         image_close(&image);
2792
2793         return retval;
2794
2795 }
2796
2797 COMMAND_HANDLER(handle_dump_image_command)
2798 {
2799         struct fileio fileio;
2800         uint8_t buffer[560];
2801         int retval, retvaltemp;
2802         uint32_t address, size;
2803         struct duration bench;
2804         struct target *target = get_current_target(CMD_CTX);
2805
2806         if (CMD_ARGC != 3)
2807                 return ERROR_COMMAND_SYNTAX_ERROR;
2808
2809         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], address);
2810         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], size);
2811
2812         retval = fileio_open(&fileio, CMD_ARGV[0], FILEIO_WRITE, FILEIO_BINARY);
2813         if (retval != ERROR_OK)
2814                 return retval;
2815
2816         duration_start(&bench);
2817
2818         retval = ERROR_OK;
2819         while (size > 0)
2820         {
2821                 size_t size_written;
2822                 uint32_t this_run_size = (size > 560) ? 560 : size;
2823                 retval = target_read_buffer(target, address, this_run_size, buffer);
2824                 if (retval != ERROR_OK)
2825                 {
2826                         break;
2827                 }
2828
2829                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2830                 if (retval != ERROR_OK)
2831                 {
2832                         break;
2833                 }
2834
2835                 size -= this_run_size;
2836                 address += this_run_size;
2837         }
2838
2839         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2840         {
2841                 int filesize;
2842                 retval = fileio_size(&fileio, &filesize);
2843                 if (retval != ERROR_OK)
2844                         return retval;
2845                 command_print(CMD_CTX,
2846                                 "dumped %ld bytes in %fs (%0.3f KiB/s)", (long)filesize,
2847                                 duration_elapsed(&bench), duration_kbps(&bench, filesize));
2848         }
2849
2850         if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2851                 return retvaltemp;
2852
2853         return retval;
2854 }
2855
2856 static COMMAND_HELPER(handle_verify_image_command_internal, int verify)
2857 {
2858         uint8_t *buffer;
2859         size_t buf_cnt;
2860         uint32_t image_size;
2861         int i;
2862         int retval;
2863         uint32_t checksum = 0;
2864         uint32_t mem_checksum = 0;
2865
2866         struct image image;
2867
2868         struct target *target = get_current_target(CMD_CTX);
2869
2870         if (CMD_ARGC < 1)
2871         {
2872                 return ERROR_COMMAND_SYNTAX_ERROR;
2873         }
2874
2875         if (!target)
2876         {
2877                 LOG_ERROR("no target selected");
2878                 return ERROR_FAIL;
2879         }
2880
2881         struct duration bench;
2882         duration_start(&bench);
2883
2884         if (CMD_ARGC >= 2)
2885         {
2886                 uint32_t addr;
2887                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], addr);
2888                 image.base_address = addr;
2889                 image.base_address_set = 1;
2890         }
2891         else
2892         {
2893                 image.base_address_set = 0;
2894                 image.base_address = 0x0;
2895         }
2896
2897         image.start_address_set = 0;
2898
2899         if ((retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL)) != ERROR_OK)
2900         {
2901                 return retval;
2902         }
2903
2904         image_size = 0x0;
2905         int diffs = 0;
2906         retval = ERROR_OK;
2907         for (i = 0; i < image.num_sections; i++)
2908         {
2909                 buffer = malloc(image.sections[i].size);
2910                 if (buffer == NULL)
2911                 {
2912                         command_print(CMD_CTX,
2913                                                   "error allocating buffer for section (%d bytes)",
2914                                                   (int)(image.sections[i].size));
2915                         break;
2916                 }
2917                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2918                 {
2919                         free(buffer);
2920                         break;
2921                 }
2922
2923                 if (verify)
2924                 {
2925                         /* calculate checksum of image */
2926                         retval = image_calculate_checksum(buffer, buf_cnt, &checksum);
2927                         if (retval != ERROR_OK)
2928                         {
2929                                 free(buffer);
2930                                 break;
2931                         }
2932
2933                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2934                         if (retval != ERROR_OK)
2935                         {
2936                                 free(buffer);
2937                                 break;
2938                         }
2939
2940                         if (checksum != mem_checksum)
2941                         {
2942                                 /* failed crc checksum, fall back to a binary compare */
2943                                 uint8_t *data;
2944
2945                                 if (diffs == 0)
2946                                 {
2947                                         LOG_ERROR("checksum mismatch - attempting binary compare");
2948                                 }
2949
2950                                 data = (uint8_t*)malloc(buf_cnt);
2951
2952                                 /* Can we use 32bit word accesses? */
2953                                 int size = 1;
2954                                 int count = buf_cnt;
2955                                 if ((count % 4) == 0)
2956                                 {
2957                                         size *= 4;
2958                                         count /= 4;
2959                                 }
2960                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2961                                 if (retval == ERROR_OK)
2962                                 {
2963                                         uint32_t t;
2964                                         for (t = 0; t < buf_cnt; t++)
2965                                         {
2966                                                 if (data[t] != buffer[t])
2967                                                 {
2968                                                         command_print(CMD_CTX,
2969                                                                                   "diff %d address 0x%08x. Was 0x%02x instead of 0x%02x",
2970                                                                                   diffs,
2971                                                                                   (unsigned)(t + image.sections[i].base_address),
2972                                                                                   data[t],
2973                                                                                   buffer[t]);
2974                                                         if (diffs++ >= 127)
2975                                                         {
2976                                                                 command_print(CMD_CTX, "More than 128 errors, the rest are not printed.");
2977                                                                 free(data);
2978                                                                 free(buffer);
2979                                                                 goto done;
2980                                                         }
2981                                                 }
2982                                                 keep_alive();
2983                                         }
2984                                 }
2985                                 free(data);
2986                         }
2987                 } else
2988                 {
2989                         command_print(CMD_CTX, "address 0x%08" PRIx32 " length 0x%08zx",
2990                                                   image.sections[i].base_address,
2991                                                   buf_cnt);
2992                 }
2993
2994                 free(buffer);
2995                 image_size += buf_cnt;
2996         }
2997         if (diffs > 0)
2998         {
2999                 command_print(CMD_CTX, "No more differences found.");
3000         }
3001 done:
3002         if (diffs > 0)
3003         {
3004                 retval = ERROR_FAIL;
3005         }
3006         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
3007         {
3008                 command_print(CMD_CTX, "verified %" PRIu32 " bytes "
3009                                 "in %fs (%0.3f KiB/s)", image_size,
3010                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
3011         }
3012
3013         image_close(&image);
3014
3015         return retval;
3016 }
3017
3018 COMMAND_HANDLER(handle_verify_image_command)
3019 {
3020         return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 1);
3021 }
3022
3023 COMMAND_HANDLER(handle_test_image_command)
3024 {
3025         return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 0);
3026 }
3027
3028 static int handle_bp_command_list(struct command_context *cmd_ctx)
3029 {
3030         struct target *target = get_current_target(cmd_ctx);
3031         struct breakpoint *breakpoint = target->breakpoints;
3032         while (breakpoint)
3033         {
3034                 if (breakpoint->type == BKPT_SOFT)
3035                 {
3036                         char* buf = buf_to_str(breakpoint->orig_instr,
3037                                         breakpoint->length, 16);
3038                         command_print(cmd_ctx, "IVA breakpoint: 0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
3039                                         breakpoint->address,
3040                                         breakpoint->length,
3041                                         breakpoint->set, buf);
3042                         free(buf);
3043                 }
3044                 else
3045                 {
3046                         if ((breakpoint->address == 0) && (breakpoint->asid != 0))
3047                                 command_print(cmd_ctx, "Context breakpoint: 0x%8.8" PRIx32 ", 0x%x, %i",
3048                                                         breakpoint->asid,
3049                                                         breakpoint->length, breakpoint->set);
3050                         else if ((breakpoint->address != 0) && (breakpoint->asid != 0))
3051                         {
3052                                 command_print(cmd_ctx, "Hybrid breakpoint(IVA): 0x%8.8" PRIx32 ", 0x%x, %i",
3053                                                         breakpoint->address,
3054                                                         breakpoint->length, breakpoint->set);
3055                                 command_print(cmd_ctx, "\t|--->linked with ContextID: 0x%8.8" PRIx32,
3056                                                         breakpoint->asid);
3057                         }
3058                         else
3059                                 command_print(cmd_ctx, "Breakpoint(IVA): 0x%8.8" PRIx32 ", 0x%x, %i",
3060                                                         breakpoint->address,
3061                                                         breakpoint->length, breakpoint->set);
3062                 }
3063
3064                 breakpoint = breakpoint->next;
3065         }
3066         return ERROR_OK;
3067 }
3068
3069 static int handle_bp_command_set(struct command_context *cmd_ctx,
3070                 uint32_t addr, uint32_t asid, uint32_t length, int hw)
3071 {
3072         struct target *target = get_current_target(cmd_ctx);
3073
3074         if (asid == 0)
3075         {
3076                 int retval = breakpoint_add(target, addr, length, hw);
3077                 if (ERROR_OK == retval)
3078                         command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
3079                 else
3080                 {
3081                         LOG_ERROR("Failure setting breakpoint, the same address(IVA) is already used");
3082                         return retval;
3083                 }
3084         }
3085         else if (addr == 0)
3086         {
3087                 int retval = context_breakpoint_add(target, asid, length, hw);
3088                 if (ERROR_OK == retval)
3089                         command_print(cmd_ctx, "Context breakpoint set at 0x%8.8" PRIx32 "", asid);
3090                 else
3091                 {
3092                         LOG_ERROR("Failure setting breakpoint, the same address(CONTEXTID) is already used");
3093                         return retval;
3094                 }
3095         }
3096         else
3097         {
3098                 int retval = hybrid_breakpoint_add(target, addr, asid, length, hw);
3099                 if(ERROR_OK == retval)
3100                         command_print(cmd_ctx, "Hybrid breakpoint set at 0x%8.8" PRIx32 "", asid);
3101                 else
3102                 {
3103                         LOG_ERROR("Failure setting breakpoint, the same address is already used");
3104                         return retval;
3105                 }
3106         }
3107         return ERROR_OK;
3108 }
3109
3110 COMMAND_HANDLER(handle_bp_command)
3111 {
3112         uint32_t addr;
3113         uint32_t asid;
3114         uint32_t length;
3115         int hw = BKPT_SOFT;
3116         switch(CMD_ARGC)
3117         {
3118                 case 0:
3119                         return handle_bp_command_list(CMD_CTX);
3120
3121                 case 2:
3122                         asid = 0;
3123                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3124                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3125                         return handle_bp_command_set(CMD_CTX, addr, asid, length, hw);
3126
3127                 case 3:
3128                         if(strcmp(CMD_ARGV[2], "hw") == 0)
3129                         {
3130                                 hw = BKPT_HARD;
3131                                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3132
3133                                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3134
3135                                 asid = 0;
3136                                 return handle_bp_command_set(CMD_CTX, addr, asid, length, hw);
3137                         }
3138                         else if(strcmp(CMD_ARGV[2], "hw_ctx") == 0)
3139                         {
3140                                 hw = BKPT_HARD;
3141                                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], asid);
3142                                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3143                                 addr = 0;
3144                                 return handle_bp_command_set(CMD_CTX, addr, asid, length, hw);
3145                         }
3146
3147                 case 4:
3148                         hw = BKPT_HARD;
3149                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3150                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], asid);
3151                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], length);
3152                         return handle_bp_command_set(CMD_CTX, addr, asid, length, hw);
3153
3154                 default:
3155                         return ERROR_COMMAND_SYNTAX_ERROR;
3156         }
3157 }
3158
3159 COMMAND_HANDLER(handle_rbp_command)
3160 {
3161         if (CMD_ARGC != 1)
3162                 return ERROR_COMMAND_SYNTAX_ERROR;
3163
3164         uint32_t addr;
3165         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3166
3167         struct target *target = get_current_target(CMD_CTX);
3168         breakpoint_remove(target, addr);
3169
3170         return ERROR_OK;
3171 }
3172
3173 COMMAND_HANDLER(handle_wp_command)
3174 {
3175         struct target *target = get_current_target(CMD_CTX);
3176
3177         if (CMD_ARGC == 0)
3178         {
3179                 struct watchpoint *watchpoint = target->watchpoints;
3180
3181                 while (watchpoint)
3182                 {
3183                         command_print(CMD_CTX, "address: 0x%8.8" PRIx32
3184                                         ", len: 0x%8.8" PRIx32
3185                                         ", r/w/a: %i, value: 0x%8.8" PRIx32
3186                                         ", mask: 0x%8.8" PRIx32,
3187                                         watchpoint->address,
3188                                         watchpoint->length,
3189                                         (int)watchpoint->rw,
3190                                         watchpoint->value,
3191                                         watchpoint->mask);
3192                         watchpoint = watchpoint->next;
3193                 }
3194                 return ERROR_OK;
3195         }
3196
3197         enum watchpoint_rw type = WPT_ACCESS;
3198         uint32_t addr = 0;
3199         uint32_t length = 0;
3200         uint32_t data_value = 0x0;
3201         uint32_t data_mask = 0xffffffff;
3202
3203         switch (CMD_ARGC)
3204         {
3205         case 5:
3206                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], data_mask);
3207                 // fall through
3208         case 4:
3209                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], data_value);
3210                 // fall through
3211         case 3:
3212                 switch (CMD_ARGV[2][0])
3213                 {
3214                 case 'r':
3215                         type = WPT_READ;
3216                         break;
3217                 case 'w':
3218                         type = WPT_WRITE;
3219                         break;
3220                 case 'a':
3221                         type = WPT_ACCESS;
3222                         break;
3223                 default:
3224                         LOG_ERROR("invalid watchpoint mode ('%c')", CMD_ARGV[2][0]);
3225                         return ERROR_COMMAND_SYNTAX_ERROR;
3226                 }
3227                 // fall through
3228         case 2:
3229                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3230                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3231                 break;
3232
3233         default:
3234                 return ERROR_COMMAND_SYNTAX_ERROR;
3235         }
3236
3237         int retval = watchpoint_add(target, addr, length, type,
3238                         data_value, data_mask);
3239         if (ERROR_OK != retval)
3240                 LOG_ERROR("Failure setting watchpoints");
3241
3242         return retval;
3243 }
3244
3245 COMMAND_HANDLER(handle_rwp_command)
3246 {
3247         if (CMD_ARGC != 1)
3248                 return ERROR_COMMAND_SYNTAX_ERROR;
3249
3250         uint32_t addr;
3251         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3252
3253         struct target *target = get_current_target(CMD_CTX);
3254         watchpoint_remove(target, addr);
3255
3256         return ERROR_OK;
3257 }
3258
3259
3260 /**
3261  * Translate a virtual address to a physical address.
3262  *
3263  * The low-level target implementation must have logged a detailed error
3264  * which is forwarded to telnet/GDB session.
3265  */
3266 COMMAND_HANDLER(handle_virt2phys_command)
3267 {
3268         if (CMD_ARGC != 1)
3269                 return ERROR_COMMAND_SYNTAX_ERROR;
3270
3271         uint32_t va;
3272         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], va);
3273         uint32_t pa;
3274
3275         struct target *target = get_current_target(CMD_CTX);
3276         int retval = target->type->virt2phys(target, va, &pa);
3277         if (retval == ERROR_OK)
3278                 command_print(CMD_CTX, "Physical address 0x%08" PRIx32 "", pa);
3279
3280         return retval;
3281 }
3282
3283 static void writeData(FILE *f, const void *data, size_t len)
3284 {
3285         size_t written = fwrite(data, 1, len, f);
3286         if (written != len)
3287                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3288 }
3289
3290 static void writeLong(FILE *f, int l)
3291 {
3292         int i;
3293         for (i = 0; i < 4; i++)
3294         {
3295                 char c = (l >> (i*8))&0xff;
3296                 writeData(f, &c, 1);
3297         }
3298
3299 }
3300
3301 static void writeString(FILE *f, char *s)
3302 {
3303         writeData(f, s, strlen(s));
3304 }
3305
3306 /* Dump a gmon.out histogram file. */
3307 static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filename)
3308 {
3309         uint32_t i;
3310         FILE *f = fopen(filename, "w");
3311         if (f == NULL)
3312                 return;
3313         writeString(f, "gmon");
3314         writeLong(f, 0x00000001); /* Version */
3315         writeLong(f, 0); /* padding */
3316         writeLong(f, 0); /* padding */
3317         writeLong(f, 0); /* padding */
3318
3319         uint8_t zero = 0;  /* GMON_TAG_TIME_HIST */
3320         writeData(f, &zero, 1);
3321
3322         /* figure out bucket size */
3323         uint32_t min = samples[0];
3324         uint32_t max = samples[0];
3325         for (i = 0; i < sampleNum; i++)
3326         {
3327                 if (min > samples[i])
3328                 {
3329                         min = samples[i];
3330                 }
3331                 if (max < samples[i])
3332                 {
3333                         max = samples[i];
3334                 }
3335         }
3336
3337         int addressSpace = (max - min + 1);
3338         assert(addressSpace >= 2);
3339
3340         static const uint32_t maxBuckets = 16 * 1024; /* maximum buckets. */
3341         uint32_t length = addressSpace;
3342         if (length > maxBuckets)
3343         {
3344                 length = maxBuckets;
3345         }
3346         int *buckets = malloc(sizeof(int)*length);
3347         if (buckets == NULL)
3348         {
3349                 fclose(f);
3350                 return;
3351         }
3352         memset(buckets, 0, sizeof(int)*length);
3353         for (i = 0; i < sampleNum;i++)
3354         {
3355                 uint32_t address = samples[i];
3356                 long long a = address-min;
3357                 long long b = length-1;
3358                 long long c = addressSpace-1;
3359                 int index_t = (a*b)/c; /* danger!!!! int32 overflows */
3360                 buckets[index_t]++;
3361         }
3362
3363         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3364         writeLong(f, min);                      /* low_pc */
3365         writeLong(f, max);                      /* high_pc */
3366         writeLong(f, length);           /* # of samples */
3367         writeLong(f, 100);                      /* KLUDGE! We lie, ca. 100Hz best case. */
3368         writeString(f, "seconds");
3369         for (i = 0; i < (15-strlen("seconds")); i++)
3370                 writeData(f, &zero, 1);
3371         writeString(f, "s");
3372
3373         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3374
3375         char *data = malloc(2*length);
3376         if (data != NULL)
3377         {
3378                 for (i = 0; i < length;i++)
3379                 {
3380                         int val;
3381                         val = buckets[i];
3382                         if (val > 65535)
3383                         {
3384                                 val = 65535;
3385                         }
3386                         data[i*2]=val&0xff;
3387                         data[i*2 + 1]=(val >> 8)&0xff;
3388                 }
3389                 free(buckets);
3390                 writeData(f, data, length * 2);
3391                 free(data);
3392         } else
3393         {
3394                 free(buckets);
3395         }
3396
3397         fclose(f);
3398 }
3399
3400 /* profiling samples the CPU PC as quickly as OpenOCD is able,
3401  * which will be used as a random sampling of PC */
3402 COMMAND_HANDLER(handle_profile_command)
3403 {
3404         struct target *target = get_current_target(CMD_CTX);
3405         struct timeval timeout, now;
3406
3407         gettimeofday(&timeout, NULL);
3408         if (CMD_ARGC != 2)
3409         {
3410                 return ERROR_COMMAND_SYNTAX_ERROR;
3411         }
3412         unsigned offset;
3413         COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], offset);
3414
3415         timeval_add_time(&timeout, offset, 0);
3416
3417         /**
3418          * @todo: Some cores let us sample the PC without the
3419          * annoying halt/resume step; for example, ARMv7 PCSR.
3420          * Provide a way to use that more efficient mechanism.
3421          */
3422
3423         command_print(CMD_CTX, "Starting profiling. Halting and resuming the target as often as we can...");
3424
3425         static const int maxSample = 10000;
3426         uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3427         if (samples == NULL)
3428                 return ERROR_OK;
3429
3430         int numSamples = 0;
3431         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3432         struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1);
3433
3434         int retval = ERROR_OK;
3435         for (;;)
3436         {
3437                 target_poll(target);
3438                 if (target->state == TARGET_HALTED)
3439                 {
3440                         uint32_t t=*((uint32_t *)reg->value);
3441                         samples[numSamples++]=t;
3442                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3443                         target_poll(target);
3444                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3445                 } else if (target->state == TARGET_RUNNING)
3446                 {
3447                         /* We want to quickly sample the PC. */
3448                         if ((retval = target_halt(target)) != ERROR_OK)
3449                         {
3450                                 free(samples);
3451                                 return retval;
3452                         }
3453                 } else
3454                 {
3455                         command_print(CMD_CTX, "Target not halted or running");
3456                         retval = ERROR_OK;
3457                         break;
3458                 }
3459                 if (retval != ERROR_OK)
3460                 {
3461                         break;
3462                 }
3463
3464                 gettimeofday(&now, NULL);
3465                 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3466                 {
3467                         command_print(CMD_CTX, "Profiling completed. %d samples.", numSamples);
3468                         if ((retval = target_poll(target)) != ERROR_OK)
3469                         {
3470                                 free(samples);
3471                                 return retval;
3472                         }
3473                         if (target->state == TARGET_HALTED)
3474                         {
3475                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3476                         }
3477                         if ((retval = target_poll(target)) != ERROR_OK)
3478                         {
3479                                 free(samples);
3480                                 return retval;
3481                         }
3482                         writeGmon(samples, numSamples, CMD_ARGV[1]);
3483                         command_print(CMD_CTX, "Wrote %s", CMD_ARGV[1]);
3484                         break;
3485                 }
3486         }
3487         free(samples);
3488
3489         return retval;
3490 }
3491
3492 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3493 {
3494         char *namebuf;
3495         Jim_Obj *nameObjPtr, *valObjPtr;
3496         int result;
3497
3498         namebuf = alloc_printf("%s(%d)", varname, idx);
3499         if (!namebuf)
3500                 return JIM_ERR;
3501
3502         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3503         valObjPtr = Jim_NewIntObj(interp, val);
3504         if (!nameObjPtr || !valObjPtr)
3505         {
3506                 free(namebuf);
3507                 return JIM_ERR;
3508         }
3509
3510         Jim_IncrRefCount(nameObjPtr);
3511         Jim_IncrRefCount(valObjPtr);
3512         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3513         Jim_DecrRefCount(interp, nameObjPtr);
3514         Jim_DecrRefCount(interp, valObjPtr);
3515         free(namebuf);
3516         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3517         return result;
3518 }
3519
3520 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3521 {
3522         struct command_context *context;
3523         struct target *target;
3524
3525         context = current_command_context(interp);
3526         assert (context != NULL);
3527
3528         target = get_current_target(context);
3529         if (target == NULL)
3530         {
3531                 LOG_ERROR("mem2array: no current target");
3532                 return JIM_ERR;
3533         }
3534
3535         return  target_mem2array(interp, target, argc-1, argv + 1);
3536 }
3537
3538 static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv)
3539 {
3540         long l;
3541         uint32_t width;
3542         int len;
3543         uint32_t addr;
3544         uint32_t count;
3545         uint32_t v;
3546         const char *varname;
3547         int  n, e, retval;
3548         uint32_t i;
3549
3550         /* argv[1] = name of array to receive the data
3551          * argv[2] = desired width
3552          * argv[3] = memory address
3553          * argv[4] = count of times to read
3554          */
3555         if (argc != 4) {
3556                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3557                 return JIM_ERR;
3558         }
3559         varname = Jim_GetString(argv[0], &len);
3560         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3561
3562         e = Jim_GetLong(interp, argv[1], &l);
3563         width = l;
3564         if (e != JIM_OK) {
3565                 return e;
3566         }
3567
3568         e = Jim_GetLong(interp, argv[2], &l);
3569         addr = l;
3570         if (e != JIM_OK) {
3571                 return e;
3572         }
3573         e = Jim_GetLong(interp, argv[3], &l);
3574         len = l;
3575         if (e != JIM_OK) {
3576                 return e;
3577         }
3578         switch (width) {
3579                 case 8:
3580                         width = 1;
3581                         break;
3582                 case 16:
3583                         width = 2;
3584                         break;
3585                 case 32:
3586                         width = 4;
3587                         break;
3588                 default:
3589                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3590                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3591                         return JIM_ERR;
3592         }
3593         if (len == 0) {
3594                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3595                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3596                 return JIM_ERR;
3597         }
3598         if ((addr + (len * width)) < addr) {
3599                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3600                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3601                 return JIM_ERR;
3602         }
3603         /* absurd transfer size? */
3604         if (len > 65536) {
3605                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3606                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3607                 return JIM_ERR;
3608         }
3609
3610         if ((width == 1) ||
3611                 ((width == 2) && ((addr & 1) == 0)) ||
3612                 ((width == 4) && ((addr & 3) == 0))) {
3613                 /* all is well */
3614         } else {
3615                 char buf[100];
3616                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3617                 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3618                                 addr,
3619                                 width);
3620                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3621                 return JIM_ERR;
3622         }
3623
3624         /* Transfer loop */
3625
3626         /* index counter */
3627         n = 0;
3628
3629         size_t buffersize = 4096;
3630         uint8_t *buffer = malloc(buffersize);
3631         if (buffer == NULL)
3632                 return JIM_ERR;
3633
3634         /* assume ok */
3635         e = JIM_OK;
3636         while (len) {
3637                 /* Slurp... in buffer size chunks */
3638
3639                 count = len; /* in objects.. */
3640                 if (count > (buffersize/width)) {
3641                         count = (buffersize/width);
3642                 }
3643
3644                 retval = target_read_memory(target, addr, width, count, buffer);
3645                 if (retval != ERROR_OK) {
3646                         /* BOO !*/
3647                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3648                                           (unsigned int)addr,
3649                                           (int)width,
3650                                           (int)count);
3651                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3652                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3653                         e = JIM_ERR;
3654                         break;
3655                 } else {
3656                         v = 0; /* shut up gcc */
3657                         for (i = 0 ;i < count ;i++, n++) {
3658                                 switch (width) {
3659                                         case 4:
3660                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
3661                                                 break;
3662                                         case 2:
3663                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
3664                                                 break;
3665                                         case 1:
3666                                                 v = buffer[i] & 0x0ff;
3667                                                 break;
3668                                 }
3669                                 new_int_array_element(interp, varname, n, v);
3670                         }
3671                         len -= count;
3672                 }
3673         }
3674
3675         free(buffer);
3676
3677         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3678
3679         return e;
3680 }
3681
3682 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3683 {
3684         char *namebuf;
3685         Jim_Obj *nameObjPtr, *valObjPtr;
3686         int result;
3687         long l;
3688
3689         namebuf = alloc_printf("%s(%d)", varname, idx);
3690         if (!namebuf)
3691                 return JIM_ERR;
3692
3693         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3694         if (!nameObjPtr)
3695         {
3696                 free(namebuf);
3697                 return JIM_ERR;
3698         }
3699
3700         Jim_IncrRefCount(nameObjPtr);
3701         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3702         Jim_DecrRefCount(interp, nameObjPtr);
3703         free(namebuf);
3704         if (valObjPtr == NULL)
3705                 return JIM_ERR;
3706
3707         result = Jim_GetLong(interp, valObjPtr, &l);
3708         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3709         *val = l;
3710         return result;
3711 }
3712
3713 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3714 {
3715         struct command_context *context;
3716         struct target *target;
3717
3718         context = current_command_context(interp);
3719         assert (context != NULL);
3720
3721         target = get_current_target(context);
3722         if (target == NULL) {
3723                 LOG_ERROR("array2mem: no current target");
3724                 return JIM_ERR;
3725         }
3726
3727         return target_array2mem(interp,target, argc-1, argv + 1);
3728 }
3729
3730 static int target_array2mem(Jim_Interp *interp, struct target *target,
3731                 int argc, Jim_Obj *const *argv)
3732 {
3733         long l;
3734         uint32_t width;
3735         int len;
3736         uint32_t addr;
3737         uint32_t count;
3738         uint32_t v;
3739         const char *varname;
3740         int  n, e, retval;
3741         uint32_t i;
3742
3743         /* argv[1] = name of array to get the data
3744          * argv[2] = desired width
3745          * argv[3] = memory address
3746          * argv[4] = count to write
3747          */
3748         if (argc != 4) {
3749                 Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems");
3750                 return JIM_ERR;
3751         }
3752         varname = Jim_GetString(argv[0], &len);
3753         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3754
3755         e = Jim_GetLong(interp, argv[1], &l);
3756         width = l;
3757         if (e != JIM_OK) {
3758                 return e;
3759         }
3760
3761         e = Jim_GetLong(interp, argv[2], &l);
3762         addr = l;
3763         if (e != JIM_OK) {
3764                 return e;
3765         }
3766         e = Jim_GetLong(interp, argv[3], &l);
3767         len = l;
3768         if (e != JIM_OK) {
3769                 return e;
3770         }
3771         switch (width) {
3772                 case 8:
3773                         width = 1;
3774                         break;
3775                 case 16:
3776                         width = 2;
3777                         break;
3778                 case 32:
3779                         width = 4;
3780                         break;
3781                 default:
3782                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3783                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3784                         return JIM_ERR;
3785         }
3786         if (len == 0) {
3787                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3788                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3789                 return JIM_ERR;
3790         }
3791         if ((addr + (len * width)) < addr) {
3792                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3793                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3794                 return JIM_ERR;
3795         }
3796         /* absurd transfer size? */
3797         if (len > 65536) {
3798                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3799                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3800                 return JIM_ERR;
3801         }
3802
3803         if ((width == 1) ||
3804                 ((width == 2) && ((addr & 1) == 0)) ||
3805                 ((width == 4) && ((addr & 3) == 0))) {
3806                 /* all is well */
3807         } else {
3808                 char buf[100];
3809                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3810                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3811                                 (unsigned int)addr,
3812                                 (int)width);
3813                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3814                 return JIM_ERR;
3815         }
3816
3817         /* Transfer loop */
3818
3819         /* index counter */
3820         n = 0;
3821         /* assume ok */
3822         e = JIM_OK;
3823
3824         size_t buffersize = 4096;
3825         uint8_t *buffer = malloc(buffersize);
3826         if (buffer == NULL)
3827                 return JIM_ERR;
3828
3829         while (len) {
3830                 /* Slurp... in buffer size chunks */
3831
3832                 count = len; /* in objects.. */
3833                 if (count > (buffersize/width)) {
3834                         count = (buffersize/width);
3835                 }
3836
3837                 v = 0; /* shut up gcc */
3838                 for (i = 0 ;i < count ;i++, n++) {
3839                         get_int_array_element(interp, varname, n, &v);
3840                         switch (width) {
3841                         case 4:
3842                                 target_buffer_set_u32(target, &buffer[i*width], v);
3843                                 break;
3844                         case 2:
3845                                 target_buffer_set_u16(target, &buffer[i*width], v);
3846                                 break;
3847                         case 1:
3848                                 buffer[i] = v & 0x0ff;
3849                                 break;
3850                         }
3851                 }
3852                 len -= count;
3853
3854                 retval = target_write_memory(target, addr, width, count, buffer);
3855                 if (retval != ERROR_OK) {
3856                         /* BOO !*/
3857                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3858                                           (unsigned int)addr,
3859                                           (int)width,
3860                                           (int)count);
3861                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3862                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3863                         e = JIM_ERR;
3864                         break;
3865                 }
3866         }
3867
3868         free(buffer);
3869
3870         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3871
3872         return e;
3873 }
3874
3875 /* FIX? should we propagate errors here rather than printing them
3876  * and continuing?
3877  */
3878 void target_handle_event(struct target *target, enum target_event e)
3879 {
3880         struct target_event_action *teap;
3881
3882         for (teap = target->event_action; teap != NULL; teap = teap->next) {
3883                 if (teap->event == e) {
3884                         LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3885                                            target->target_number,
3886                                            target_name(target),
3887                                            target_type_name(target),
3888                                            e,
3889                                            Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3890                                            Jim_GetString(teap->body, NULL));
3891                         if (Jim_EvalObj(teap->interp, teap->body) != JIM_OK)
3892                         {
3893                                 Jim_MakeErrorMessage(teap->interp);
3894                                 command_print(NULL,"%s\n", Jim_GetString(Jim_GetResult(teap->interp), NULL));
3895                         }
3896                 }
3897         }
3898 }
3899
3900 /**
3901  * Returns true only if the target has a handler for the specified event.
3902  */
3903 bool target_has_event_action(struct target *target, enum target_event event)
3904 {
3905         struct target_event_action *teap;
3906
3907         for (teap = target->event_action; teap != NULL; teap = teap->next) {
3908                 if (teap->event == event)
3909                         return true;
3910         }
3911         return false;
3912 }
3913
3914 enum target_cfg_param {
3915         TCFG_TYPE,
3916         TCFG_EVENT,
3917         TCFG_WORK_AREA_VIRT,
3918         TCFG_WORK_AREA_PHYS,
3919         TCFG_WORK_AREA_SIZE,
3920         TCFG_WORK_AREA_BACKUP,
3921         TCFG_ENDIAN,
3922         TCFG_VARIANT,
3923         TCFG_COREID,
3924         TCFG_CHAIN_POSITION,
3925         TCFG_DBGBASE,
3926         TCFG_RTOS,
3927 };
3928
3929 static Jim_Nvp nvp_config_opts[] = {
3930         { .name = "-type",             .value = TCFG_TYPE },
3931         { .name = "-event",            .value = TCFG_EVENT },
3932         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3933         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3934         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3935         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3936         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3937         { .name = "-variant",          .value = TCFG_VARIANT },
3938         { .name = "-coreid",           .value = TCFG_COREID },
3939         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3940         { .name = "-dbgbase",          .value = TCFG_DBGBASE },
3941         { .name = "-rtos",             .value = TCFG_RTOS },
3942         { .name = NULL, .value = -1 }
3943 };
3944
3945 static int target_configure(Jim_GetOptInfo *goi, struct target *target)
3946 {
3947         Jim_Nvp *n;
3948         Jim_Obj *o;
3949         jim_wide w;
3950         char *cp;
3951         int e;
3952
3953         /* parse config or cget options ... */
3954         while (goi->argc > 0) {
3955                 Jim_SetEmptyResult(goi->interp);
3956                 /* Jim_GetOpt_Debug(goi); */
3957
3958                 if (target->type->target_jim_configure) {
3959                         /* target defines a configure function */
3960                         /* target gets first dibs on parameters */
3961                         e = (*(target->type->target_jim_configure))(target, goi);
3962                         if (e == JIM_OK) {
3963                                 /* more? */
3964                                 continue;
3965                         }
3966                         if (e == JIM_ERR) {
3967                                 /* An error */
3968                                 return e;
3969                         }
3970                         /* otherwise we 'continue' below */
3971                 }
3972                 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3973                 if (e != JIM_OK) {
3974                         Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3975                         return e;
3976                 }
3977                 switch (n->value) {
3978                 case TCFG_TYPE:
3979                         /* not setable */
3980                         if (goi->isconfigure) {
3981                                 Jim_SetResultFormatted(goi->interp,
3982                                                 "not settable: %s", n->name);
3983                                 return JIM_ERR;
3984                         } else {
3985                         no_params:
3986                                 if (goi->argc != 0) {
3987                                         Jim_WrongNumArgs(goi->interp,
3988                                                         goi->argc, goi->argv,
3989                                                         "NO PARAMS");
3990                                         return JIM_ERR;
3991                                 }
3992                         }
3993                         Jim_SetResultString(goi->interp,
3994                                         target_type_name(target), -1);
3995                         /* loop for more */
3996                         break;
3997                 case TCFG_EVENT:
3998                         if (goi->argc == 0) {
3999                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
4000                                 return JIM_ERR;
4001                         }
4002
4003                         e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
4004                         if (e != JIM_OK) {
4005                                 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
4006                                 return e;
4007                         }
4008
4009                         if (goi->isconfigure) {
4010                                 if (goi->argc != 1) {
4011                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
4012                                         return JIM_ERR;
4013                                 }
4014                         } else {
4015                                 if (goi->argc != 0) {
4016                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
4017                                         return JIM_ERR;
4018                                 }
4019                         }
4020
4021                         {
4022                                 struct target_event_action *teap;
4023
4024                                 teap = target->event_action;
4025                                 /* replace existing? */
4026                                 while (teap) {
4027                                         if (teap->event == (enum target_event)n->value) {
4028                                                 break;
4029                                         }
4030                                         teap = teap->next;
4031                                 }
4032
4033                                 if (goi->isconfigure) {
4034                                         bool replace = true;
4035                                         if (teap == NULL) {
4036                                                 /* create new */
4037                                                 teap = calloc(1, sizeof(*teap));
4038                                                 replace = false;
4039                                         }
4040                                         teap->event = n->value;
4041                                         teap->interp = goi->interp;
4042                                         Jim_GetOpt_Obj(goi, &o);
4043                                         if (teap->body) {
4044                                                 Jim_DecrRefCount(teap->interp, teap->body);
4045                                         }
4046                                         teap->body  = Jim_DuplicateObj(goi->interp, o);
4047                                         /*
4048                                          * FIXME:
4049                                          *     Tcl/TK - "tk events" have a nice feature.
4050                                          *     See the "BIND" command.
4051                                          *    We should support that here.
4052                                          *     You can specify %X and %Y in the event code.
4053                                          *     The idea is: %T - target name.
4054                                          *     The idea is: %N - target number
4055                                          *     The idea is: %E - event name.
4056                                          */
4057                                         Jim_IncrRefCount(teap->body);
4058
4059                                         if (!replace)
4060                                         {
4061                                                 /* add to head of event list */
4062                                                 teap->next = target->event_action;
4063                                                 target->event_action = teap;
4064                                         }
4065                                         Jim_SetEmptyResult(goi->interp);
4066                                 } else {
4067                                         /* get */
4068                                         if (teap == NULL) {
4069                                                 Jim_SetEmptyResult(goi->interp);
4070                                         } else {
4071                                                 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
4072                                         }
4073                                 }
4074                         }
4075                         /* loop for more */
4076                         break;
4077
4078                 case TCFG_WORK_AREA_VIRT:
4079                         if (goi->isconfigure) {
4080                                 target_free_all_working_areas(target);
4081                                 e = Jim_GetOpt_Wide(goi, &w);
4082                                 if (e != JIM_OK) {
4083                                         return e;
4084                                 }
4085                                 target->working_area_virt = w;
4086                                 target->working_area_virt_spec = true;
4087                         } else {
4088                                 if (goi->argc != 0) {
4089                                         goto no_params;
4090                                 }
4091                         }
4092                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
4093                         /* loop for more */
4094                         break;
4095
4096                 case TCFG_WORK_AREA_PHYS:
4097                         if (goi->isconfigure) {
4098                                 target_free_all_working_areas(target);
4099                                 e = Jim_GetOpt_Wide(goi, &w);
4100                                 if (e != JIM_OK) {
4101                                         return e;
4102                                 }
4103                                 target->working_area_phys = w;
4104                                 target->working_area_phys_spec = true;
4105                         } else {
4106                                 if (goi->argc != 0) {
4107                                         goto no_params;
4108                                 }
4109                         }
4110                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
4111                         /* loop for more */
4112                         break;
4113
4114                 case TCFG_WORK_AREA_SIZE:
4115                         if (goi->isconfigure) {
4116                                 target_free_all_working_areas(target);
4117                                 e = Jim_GetOpt_Wide(goi, &w);
4118                                 if (e != JIM_OK) {
4119                                         return e;
4120                                 }
4121                                 target->working_area_size = w;
4122                         } else {
4123                                 if (goi->argc != 0) {
4124                                         goto no_params;
4125                                 }
4126                         }
4127                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_size));
4128                         /* loop for more */
4129                         break;
4130
4131                 case TCFG_WORK_AREA_BACKUP:
4132                         if (goi->isconfigure) {
4133                                 target_free_all_working_areas(target);
4134                                 e = Jim_GetOpt_Wide(goi, &w);
4135                                 if (e != JIM_OK) {
4136                                         return e;
4137                                 }
4138                                 /* make this exactly 1 or 0 */
4139                                 target->backup_working_area = (!!w);
4140                         } else {
4141                                 if (goi->argc != 0) {
4142                                         goto no_params;
4143                                 }
4144                         }
4145                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
4146                         /* loop for more e*/
4147                         break;
4148
4149
4150                 case TCFG_ENDIAN:
4151                         if (goi->isconfigure) {
4152                                 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
4153                                 if (e != JIM_OK) {
4154                                         Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
4155                                         return e;
4156                                 }
4157                                 target->endianness = n->value;
4158                         } else {
4159                                 if (goi->argc != 0) {
4160                                         goto no_params;
4161                                 }
4162                         }
4163                         n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
4164                         if (n->name == NULL) {
4165                                 target->endianness = TARGET_LITTLE_ENDIAN;
4166                                 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
4167                         }
4168                         Jim_SetResultString(goi->interp, n->name, -1);
4169                         /* loop for more */
4170                         break;
4171
4172                 case TCFG_VARIANT:
4173                         if (goi->isconfigure) {
4174                                 if (goi->argc < 1) {
4175                                         Jim_SetResultFormatted(goi->interp,
4176                                                                                    "%s ?STRING?",
4177                                                                                    n->name);
4178                                         return JIM_ERR;
4179                                 }
4180                                 if (target->variant) {
4181                                         free((void *)(target->variant));
4182                                 }
4183                                 e = Jim_GetOpt_String(goi, &cp, NULL);
4184                                 if (e != JIM_OK)
4185                                         return e;
4186                                 target->variant = strdup(cp);
4187                         } else {
4188                                 if (goi->argc != 0) {
4189                                         goto no_params;
4190                                 }
4191                         }
4192                         Jim_SetResultString(goi->interp, target->variant,-1);
4193                         /* loop for more */
4194                         break;
4195
4196                 case TCFG_COREID:
4197                         if (goi->isconfigure) {
4198                                 e = Jim_GetOpt_Wide(goi, &w);
4199                                 if (e != JIM_OK) {
4200                                         return e;
4201                                 }
4202                                 target->coreid = (int32_t)w;
4203                         } else {
4204                                 if (goi->argc != 0) {
4205                                         goto no_params;
4206                                 }
4207                         }
4208                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_size));
4209                         /* loop for more */
4210                         break;
4211
4212                 case TCFG_CHAIN_POSITION:
4213                         if (goi->isconfigure) {
4214                                 Jim_Obj *o_t;
4215                                 struct jtag_tap *tap;
4216                                 target_free_all_working_areas(target);
4217                                 e = Jim_GetOpt_Obj(goi, &o_t);
4218                                 if (e != JIM_OK) {
4219                                         return e;
4220                                 }
4221                                 tap = jtag_tap_by_jim_obj(goi->interp, o_t);
4222                                 if (tap == NULL) {
4223                                         return JIM_ERR;
4224                                 }
4225                                 /* make this exactly 1 or 0 */
4226                                 target->tap = tap;
4227                         } else {
4228                                 if (goi->argc != 0) {
4229                                         goto no_params;
4230                                 }
4231                         }
4232                         Jim_SetResultString(goi->interp, target->tap->dotted_name, -1);
4233                         /* loop for more e*/
4234                         break;
4235                 case TCFG_DBGBASE:
4236                         if (goi->isconfigure) {
4237                                 e = Jim_GetOpt_Wide(goi, &w);
4238                                 if (e != JIM_OK) {
4239                                         return e;
4240                                 }
4241                                 target->dbgbase = (uint32_t)w;
4242                                 target->dbgbase_set = true;
4243                         } else {
4244                                 if (goi->argc != 0) {
4245                                         goto no_params;
4246                                 }
4247                         }
4248                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->dbgbase));
4249                         /* loop for more */
4250                         break;
4251
4252                 case TCFG_RTOS:
4253                         /* RTOS */
4254                         {
4255                                 int result = rtos_create( goi, target );
4256                                 if ( result != JIM_OK )
4257                                 {
4258                                         return result;
4259                                 }
4260                         }
4261                         /* loop for more */
4262                         break;
4263                 }
4264         } /* while (goi->argc) */
4265
4266
4267                 /* done - we return */
4268         return JIM_OK;
4269 }
4270
4271 static int
4272 jim_target_configure(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4273 {
4274         Jim_GetOptInfo goi;
4275
4276         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4277         goi.isconfigure = !strcmp(Jim_GetString(argv[0], NULL), "configure");
4278         int need_args = 1 + goi.isconfigure;
4279         if (goi.argc < need_args)
4280         {
4281                 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
4282                         goi.isconfigure
4283                                 ? "missing: -option VALUE ..."
4284                                 : "missing: -option ...");
4285                 return JIM_ERR;
4286         }
4287         struct target *target = Jim_CmdPrivData(goi.interp);
4288         return target_configure(&goi, target);
4289 }
4290
4291 static int jim_target_mw(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4292 {
4293         const char *cmd_name = Jim_GetString(argv[0], NULL);
4294
4295         Jim_GetOptInfo goi;
4296         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4297
4298         if (goi.argc < 2 || goi.argc > 4)
4299         {
4300                 Jim_SetResultFormatted(goi.interp,
4301                                 "usage: %s [phys] <address> <data> [<count>]", cmd_name);
4302                 return JIM_ERR;
4303         }
4304
4305         target_write_fn fn;
4306         fn = target_write_memory_fast;
4307
4308         int e;
4309         if (strcmp(Jim_GetString(argv[1], NULL), "phys") == 0)
4310         {
4311                 /* consume it */
4312                 struct Jim_Obj *obj;
4313                 e = Jim_GetOpt_Obj(&goi, &obj);
4314                 if (e != JIM_OK)
4315                         return e;
4316
4317                 fn = target_write_phys_memory;
4318         }
4319
4320         jim_wide a;
4321         e = Jim_GetOpt_Wide(&goi, &a);
4322         if (e != JIM_OK)
4323                 return e;
4324
4325         jim_wide b;
4326         e = Jim_GetOpt_Wide(&goi, &b);
4327         if (e != JIM_OK)
4328                 return e;
4329
4330         jim_wide c = 1;
4331         if (goi.argc == 1)
4332         {
4333                 e = Jim_GetOpt_Wide(&goi, &c);
4334                 if (e != JIM_OK)
4335                         return e;
4336         }
4337
4338         /* all args must be consumed */
4339         if (goi.argc != 0)
4340         {
4341                 return JIM_ERR;
4342         }
4343
4344         struct target *target = Jim_CmdPrivData(goi.interp);
4345         unsigned data_size;
4346         if (strcasecmp(cmd_name, "mww") == 0) {
4347                 data_size = 4;
4348         }
4349         else if (strcasecmp(cmd_name, "mwh") == 0) {
4350                 data_size = 2;
4351         }
4352         else if (strcasecmp(cmd_name, "mwb") == 0) {
4353                 data_size = 1;
4354         } else {
4355                 LOG_ERROR("command '%s' unknown: ", cmd_name);
4356                 return JIM_ERR;
4357         }
4358
4359         return (target_fill_mem(target, a, fn, data_size, b, c) == ERROR_OK) ? JIM_OK : JIM_ERR;
4360 }
4361
4362 static int jim_target_md(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4363 {
4364         const char *cmd_name = Jim_GetString(argv[0], NULL);
4365
4366         Jim_GetOptInfo goi;
4367         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4368
4369         if ((goi.argc < 1) || (goi.argc > 3))
4370         {
4371                 Jim_SetResultFormatted(goi.interp,
4372                                 "usage: %s [phys] <address> [<count>]", cmd_name);
4373                 return JIM_ERR;
4374         }
4375
4376         int (*fn)(struct target *target,
4377                         uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
4378         fn=target_read_memory;
4379
4380         int e;
4381         if (strcmp(Jim_GetString(argv[1], NULL), "phys") == 0)
4382         {
4383                 /* consume it */
4384                 struct Jim_Obj *obj;
4385                 e = Jim_GetOpt_Obj(&goi, &obj);
4386                 if (e != JIM_OK)
4387                         return e;
4388
4389                 fn=target_read_phys_memory;
4390         }
4391
4392         jim_wide a;
4393         e = Jim_GetOpt_Wide(&goi, &a);
4394         if (e != JIM_OK) {
4395                 return JIM_ERR;
4396         }
4397         jim_wide c;
4398         if (goi.argc == 1) {
4399                 e = Jim_GetOpt_Wide(&goi, &c);
4400                 if (e != JIM_OK) {
4401                         return JIM_ERR;
4402                 }
4403         } else {
4404                 c = 1;
4405         }
4406
4407         /* all args must be consumed */
4408         if (goi.argc != 0)
4409         {
4410                 return JIM_ERR;
4411         }
4412
4413         jim_wide b = 1; /* shut up gcc */
4414         if (strcasecmp(cmd_name, "mdw") == 0)
4415                 b = 4;
4416         else if (strcasecmp(cmd_name, "mdh") == 0)
4417                 b = 2;
4418         else if (strcasecmp(cmd_name, "mdb") == 0)
4419                 b = 1;
4420         else {
4421                 LOG_ERROR("command '%s' unknown: ", cmd_name);
4422                 return JIM_ERR;
4423         }
4424
4425         /* convert count to "bytes" */
4426         c = c * b;
4427
4428         struct target *target = Jim_CmdPrivData(goi.interp);
4429         uint8_t  target_buf[32];
4430         jim_wide x, y, z;
4431         while (c > 0) {
4432                 y = c;
4433                 if (y > 16) {
4434                         y = 16;
4435                 }
4436                 e = fn(target, a, b, y / b, target_buf);
4437                 if (e != ERROR_OK) {
4438                         char tmp[10];
4439                         snprintf(tmp, sizeof(tmp), "%08lx", (long)a);
4440                         Jim_SetResultFormatted(interp, "error reading target @ 0x%s", tmp);
4441                         return JIM_ERR;
4442                 }
4443
4444                 command_print(NULL, "0x%08x ", (int)(a));
4445                 switch (b) {
4446                 case 4:
4447                         for (x = 0; x < 16 && x < y; x += 4)
4448                         {
4449                                 z = target_buffer_get_u32(target, &(target_buf[ x ]));
4450                                 command_print(NULL, "%08x ", (int)(z));
4451                         }
4452                         for (; (x < 16) ; x += 4) {
4453                                 command_print(NULL, "         ");
4454                         }
4455                         break;
4456                 case 2:
4457                         for (x = 0; x < 16 && x < y; x += 2)
4458                         {
4459                                 z = target_buffer_get_u16(target, &(target_buf[ x ]));
4460                                 command_print(NULL, "%04x ", (int)(z));
4461                         }
4462                         for (; (x < 16) ; x += 2) {
4463                                 command_print(NULL, "     ");
4464                         }
4465                         break;
4466                 case 1:
4467                 default:
4468                         for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4469                                 z = target_buffer_get_u8(target, &(target_buf[ x ]));
4470                                 command_print(NULL, "%02x ", (int)(z));
4471                         }
4472                         for (; (x < 16) ; x += 1) {
4473                                 command_print(NULL, "   ");
4474                         }
4475                         break;
4476                 }
4477                 /* ascii-ify the bytes */
4478                 for (x = 0 ; x < y ; x++) {
4479                         if ((target_buf[x] >= 0x20) &&
4480                                 (target_buf[x] <= 0x7e)) {
4481                                 /* good */
4482                         } else {
4483                                 /* smack it */
4484                                 target_buf[x] = '.';
4485                         }
4486                 }
4487                 /* space pad  */
4488                 while (x < 16) {
4489                         target_buf[x] = ' ';
4490                         x++;
4491                 }
4492                 /* terminate */
4493                 target_buf[16] = 0;
4494                 /* print - with a newline */
4495                 command_print(NULL, "%s\n", target_buf);
4496                 /* NEXT... */
4497                 c -= 16;
4498                 a += 16;
4499         }
4500         return JIM_OK;
4501 }
4502
4503 static int jim_target_mem2array(Jim_Interp *interp,
4504                 int argc, Jim_Obj *const *argv)
4505 {
4506         struct target *target = Jim_CmdPrivData(interp);
4507         return target_mem2array(interp, target, argc - 1, argv + 1);
4508 }
4509
4510 static int jim_target_array2mem(Jim_Interp *interp,
4511                 int argc, Jim_Obj *const *argv)
4512 {
4513         struct target *target = Jim_CmdPrivData(interp);
4514         return target_array2mem(interp, target, argc - 1, argv + 1);
4515 }
4516
4517 static int jim_target_tap_disabled(Jim_Interp *interp)
4518 {
4519         Jim_SetResultFormatted(interp, "[TAP is disabled]");
4520         return JIM_ERR;
4521 }
4522
4523 static int jim_target_examine(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4524 {
4525         if (argc != 1)
4526         {
4527                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4528                 return JIM_ERR;
4529         }
4530         struct target *target = Jim_CmdPrivData(interp);
4531         if (!target->tap->enabled)
4532                 return jim_target_tap_disabled(interp);
4533
4534         int e = target->type->examine(target);
4535         if (e != ERROR_OK)
4536         {
4537                 return JIM_ERR;
4538         }
4539         return JIM_OK;
4540 }
4541
4542 static int jim_target_halt_gdb(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4543 {
4544         if (argc != 1)
4545         {
4546                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4547                 return JIM_ERR;
4548         }
4549         struct target *target = Jim_CmdPrivData(interp);
4550
4551         if (target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT) != ERROR_OK)
4552                 return JIM_ERR;
4553
4554         return JIM_OK;
4555 }
4556
4557 static int jim_target_poll(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4558 {
4559         if (argc != 1)
4560         {
4561                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4562                 return JIM_ERR;
4563         }
4564         struct target *target = Jim_CmdPrivData(interp);
4565         if (!target->tap->enabled)
4566                 return jim_target_tap_disabled(interp);
4567
4568         int e;
4569         if (!(target_was_examined(target))) {
4570                 e = ERROR_TARGET_NOT_EXAMINED;
4571         } else {
4572                 e = target->type->poll(target);
4573         }
4574         if (e != ERROR_OK)
4575         {
4576                 return JIM_ERR;
4577         }
4578         return JIM_OK;
4579 }
4580
4581 static int jim_target_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4582 {
4583         Jim_GetOptInfo goi;
4584         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4585
4586         if (goi.argc != 2)
4587         {
4588                 Jim_WrongNumArgs(interp, 0, argv,
4589                                 "([tT]|[fF]|assert|deassert) BOOL");
4590                 return JIM_ERR;
4591         }
4592
4593         Jim_Nvp *n;
4594         int e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4595         if (e != JIM_OK)
4596         {
4597                 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4598                 return e;
4599         }
4600         /* the halt or not param */
4601         jim_wide a;
4602         e = Jim_GetOpt_Wide(&goi, &a);
4603         if (e != JIM_OK)
4604                 return e;
4605
4606         struct target *target = Jim_CmdPrivData(goi.interp);
4607         if (!target->tap->enabled)
4608                 return jim_target_tap_disabled(interp);
4609         if (!(target_was_examined(target)))
4610         {
4611                 LOG_ERROR("Target not examined yet");
4612                 return ERROR_TARGET_NOT_EXAMINED;
4613         }
4614         if (!target->type->assert_reset || !target->type->deassert_reset)
4615         {
4616                 Jim_SetResultFormatted(interp,
4617                                 "No target-specific reset for %s",
4618                                 target_name(target));
4619                 return JIM_ERR;
4620         }
4621         /* determine if we should halt or not. */
4622         target->reset_halt = !!a;
4623         /* When this happens - all workareas are invalid. */
4624         target_free_all_working_areas_restore(target, 0);
4625
4626         /* do the assert */
4627         if (n->value == NVP_ASSERT) {
4628                 e = target->type->assert_reset(target);
4629         } else {
4630                 e = target->type->deassert_reset(target);
4631         }
4632         return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4633 }
4634
4635 static int jim_target_halt(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4636 {
4637         if (argc != 1) {
4638                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4639                 return JIM_ERR;
4640         }
4641         struct target *target = Jim_CmdPrivData(interp);
4642         if (!target->tap->enabled)
4643                 return jim_target_tap_disabled(interp);
4644         int e = target->type->halt(target);
4645         return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4646 }
4647
4648 static int jim_target_wait_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4649 {
4650         Jim_GetOptInfo goi;
4651         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4652
4653         /* params:  <name>  statename timeoutmsecs */
4654         if (goi.argc != 2)
4655         {
4656                 const char *cmd_name = Jim_GetString(argv[0], NULL);
4657                 Jim_SetResultFormatted(goi.interp,
4658                                 "%s <state_name> <timeout_in_msec>", cmd_name);
4659                 return JIM_ERR;
4660         }
4661
4662         Jim_Nvp *n;
4663         int e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4664         if (e != JIM_OK) {
4665                 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4666                 return e;
4667         }
4668         jim_wide a;
4669         e = Jim_GetOpt_Wide(&goi, &a);
4670         if (e != JIM_OK) {
4671                 return e;
4672         }
4673         struct target *target = Jim_CmdPrivData(interp);
4674         if (!target->tap->enabled)
4675                 return jim_target_tap_disabled(interp);
4676
4677         e = target_wait_state(target, n->value, a);
4678         if (e != ERROR_OK)
4679         {
4680                 Jim_Obj *eObj = Jim_NewIntObj(interp, e);
4681                 Jim_SetResultFormatted(goi.interp,
4682                                 "target: %s wait %s fails (%#s) %s",
4683                                 target_name(target), n->name,
4684                                 eObj, target_strerror_safe(e));
4685                 Jim_FreeNewObj(interp, eObj);
4686                 return JIM_ERR;
4687         }
4688         return JIM_OK;
4689 }
4690 /* List for human, Events defined for this target.
4691  * scripts/programs should use 'name cget -event NAME'
4692  */
4693 static int jim_target_event_list(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4694 {
4695         struct command_context *cmd_ctx = current_command_context(interp);
4696         assert (cmd_ctx != NULL);
4697
4698         struct target *target = Jim_CmdPrivData(interp);
4699         struct target_event_action *teap = target->event_action;
4700         command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4701                                    target->target_number,
4702                                    target_name(target));
4703         command_print(cmd_ctx, "%-25s | Body", "Event");
4704         command_print(cmd_ctx, "------------------------- | "
4705                         "----------------------------------------");
4706         while (teap)
4707         {
4708                 Jim_Nvp *opt = Jim_Nvp_value2name_simple(nvp_target_event, teap->event);
4709                 command_print(cmd_ctx, "%-25s | %s",
4710                                 opt->name, Jim_GetString(teap->body, NULL));
4711                 teap = teap->next;
4712         }
4713         command_print(cmd_ctx, "***END***");
4714         return JIM_OK;
4715 }
4716 static int jim_target_current_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4717 {
4718         if (argc != 1)
4719         {
4720                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4721                 return JIM_ERR;
4722         }
4723         struct target *target = Jim_CmdPrivData(interp);
4724         Jim_SetResultString(interp, target_state_name(target), -1);
4725         return JIM_OK;
4726 }
4727 static int jim_target_invoke_event(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4728 {
4729         Jim_GetOptInfo goi;
4730         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4731         if (goi.argc != 1)
4732         {
4733                 const char *cmd_name = Jim_GetString(argv[0], NULL);
4734                 Jim_SetResultFormatted(goi.interp, "%s <eventname>", cmd_name);
4735                 return JIM_ERR;
4736         }
4737         Jim_Nvp *n;
4738         int e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4739         if (e != JIM_OK)
4740         {
4741                 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4742                 return e;
4743         }
4744         struct target *target = Jim_CmdPrivData(interp);
4745         target_handle_event(target, n->value);
4746         return JIM_OK;
4747 }
4748
4749 static const struct command_registration target_instance_command_handlers[] = {
4750         {
4751                 .name = "configure",
4752                 .mode = COMMAND_CONFIG,
4753                 .jim_handler = jim_target_configure,
4754                 .help  = "configure a new target for use",
4755                 .usage = "[target_attribute ...]",
4756         },
4757         {
4758                 .name = "cget",
4759                 .mode = COMMAND_ANY,
4760                 .jim_handler = jim_target_configure,
4761                 .help  = "returns the specified target attribute",
4762                 .usage = "target_attribute",
4763         },
4764         {
4765                 .name = "mww",
4766                 .mode = COMMAND_EXEC,
4767                 .jim_handler = jim_target_mw,
4768                 .help = "Write 32-bit word(s) to target memory",
4769                 .usage = "address data [count]",
4770         },
4771         {
4772                 .name = "mwh",
4773                 .mode = COMMAND_EXEC,
4774                 .jim_handler = jim_target_mw,
4775                 .help = "Write 16-bit half-word(s) to target memory",
4776                 .usage = "address data [count]",
4777         },
4778         {
4779                 .name = "mwb",
4780                 .mode = COMMAND_EXEC,
4781                 .jim_handler = jim_target_mw,
4782                 .help = "Write byte(s) to target memory",
4783                 .usage = "address data [count]",
4784         },
4785         {
4786                 .name = "mdw",
4787                 .mode = COMMAND_EXEC,
4788                 .jim_handler = jim_target_md,
4789                 .help = "Display target memory as 32-bit words",
4790                 .usage = "address [count]",
4791         },
4792         {
4793                 .name = "mdh",
4794                 .mode = COMMAND_EXEC,
4795                 .jim_handler = jim_target_md,
4796                 .help = "Display target memory as 16-bit half-words",
4797                 .usage = "address [count]",
4798         },
4799         {
4800                 .name = "mdb",
4801                 .mode = COMMAND_EXEC,
4802                 .jim_handler = jim_target_md,
4803                 .help = "Display target memory as 8-bit bytes",
4804                 .usage = "address [count]",
4805         },
4806         {
4807                 .name = "array2mem",
4808                 .mode = COMMAND_EXEC,
4809                 .jim_handler = jim_target_array2mem,
4810                 .help = "Writes Tcl array of 8/16/32 bit numbers "
4811                         "to target memory",
4812                 .usage = "arrayname bitwidth address count",
4813         },
4814         {
4815                 .name = "mem2array",
4816                 .mode = COMMAND_EXEC,
4817                 .jim_handler = jim_target_mem2array,
4818                 .help = "Loads Tcl array of 8/16/32 bit numbers "
4819                         "from target memory",
4820                 .usage = "arrayname bitwidth address count",
4821         },
4822         {
4823                 .name = "eventlist",
4824                 .mode = COMMAND_EXEC,
4825                 .jim_handler = jim_target_event_list,
4826                 .help = "displays a table of events defined for this target",
4827         },
4828         {
4829                 .name = "curstate",
4830                 .mode = COMMAND_EXEC,
4831                 .jim_handler = jim_target_current_state,
4832                 .help = "displays the current state of this target",
4833         },
4834         {
4835                 .name = "arp_examine",
4836                 .mode = COMMAND_EXEC,
4837                 .jim_handler = jim_target_examine,
4838                 .help = "used internally for reset processing",
4839         },
4840         {
4841                 .name = "arp_halt_gdb",
4842                 .mode = COMMAND_EXEC,
4843                 .jim_handler = jim_target_halt_gdb,
4844                 .help = "used internally for reset processing to halt GDB",
4845         },
4846         {
4847                 .name = "arp_poll",
4848                 .mode = COMMAND_EXEC,
4849                 .jim_handler = jim_target_poll,
4850                 .help = "used internally for reset processing",
4851         },
4852         {
4853                 .name = "arp_reset",
4854                 .mode = COMMAND_EXEC,
4855                 .jim_handler = jim_target_reset,
4856                 .help = "used internally for reset processing",
4857         },
4858         {
4859                 .name = "arp_halt",
4860                 .mode = COMMAND_EXEC,
4861                 .jim_handler = jim_target_halt,
4862                 .help = "used internally for reset processing",
4863         },
4864         {
4865                 .name = "arp_waitstate",
4866                 .mode = COMMAND_EXEC,
4867                 .jim_handler = jim_target_wait_state,
4868                 .help = "used internally for reset processing",
4869         },
4870         {
4871                 .name = "invoke-event",
4872                 .mode = COMMAND_EXEC,
4873                 .jim_handler = jim_target_invoke_event,
4874                 .help = "invoke handler for specified event",
4875                 .usage = "event_name",
4876         },
4877         COMMAND_REGISTRATION_DONE
4878 };
4879
4880 static int target_create(Jim_GetOptInfo *goi)
4881 {
4882         Jim_Obj *new_cmd;
4883         Jim_Cmd *cmd;
4884         const char *cp;
4885         char *cp2;
4886         int e;
4887         int x;
4888         struct target *target;
4889         struct command_context *cmd_ctx;
4890
4891         cmd_ctx = current_command_context(goi->interp);
4892         assert (cmd_ctx != NULL);
4893
4894         if (goi->argc < 3) {
4895                 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4896                 return JIM_ERR;
4897         }
4898
4899         /* COMMAND */
4900         Jim_GetOpt_Obj(goi, &new_cmd);
4901         /* does this command exist? */
4902         cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4903         if (cmd) {
4904                 cp = Jim_GetString(new_cmd, NULL);
4905                 Jim_SetResultFormatted(goi->interp, "Command/target: %s Exists", cp);
4906                 return JIM_ERR;
4907         }
4908
4909         /* TYPE */
4910         e = Jim_GetOpt_String(goi, &cp2, NULL);
4911         if (e != JIM_OK)
4912                 return e;
4913         cp = cp2;
4914         /* now does target type exist */
4915         for (x = 0 ; target_types[x] ; x++) {
4916                 if (0 == strcmp(cp, target_types[x]->name)) {
4917                         /* found */
4918                         break;
4919                 }
4920         }
4921         if (target_types[x] == NULL) {
4922                 Jim_SetResultFormatted(goi->interp, "Unknown target type %s, try one of ", cp);
4923                 for (x = 0 ; target_types[x] ; x++) {
4924                         if (target_types[x + 1]) {
4925                                 Jim_AppendStrings(goi->interp,
4926                                                                    Jim_GetResult(goi->interp),
4927                                                                    target_types[x]->name,
4928                                                                    ", ", NULL);
4929                         } else {
4930                                 Jim_AppendStrings(goi->interp,
4931                                                                    Jim_GetResult(goi->interp),
4932                                                                    " or ",
4933                                                                    target_types[x]->name,NULL);
4934                         }
4935                 }
4936                 return JIM_ERR;
4937         }
4938
4939         /* Create it */
4940         target = calloc(1,sizeof(struct target));
4941         /* set target number */
4942         target->target_number = new_target_number();
4943
4944         /* allocate memory for each unique target type */
4945         target->type = (struct target_type*)calloc(1,sizeof(struct target_type));
4946
4947         memcpy(target->type, target_types[x], sizeof(struct target_type));
4948
4949         /* will be set by "-endian" */
4950         target->endianness = TARGET_ENDIAN_UNKNOWN;
4951
4952         /* default to first core, override with -coreid */
4953         target->coreid = 0;
4954
4955         target->working_area        = 0x0;
4956         target->working_area_size   = 0x0;
4957         target->working_areas       = NULL;
4958         target->backup_working_area = 0;
4959
4960         target->state               = TARGET_UNKNOWN;
4961         target->debug_reason        = DBG_REASON_UNDEFINED;
4962         target->reg_cache           = NULL;
4963         target->breakpoints         = NULL;
4964         target->watchpoints         = NULL;
4965         target->next                = NULL;
4966         target->arch_info           = NULL;
4967
4968         target->display             = 1;
4969
4970         target->halt_issued                     = false;
4971
4972         /* initialize trace information */
4973         target->trace_info = malloc(sizeof(struct trace));
4974         target->trace_info->num_trace_points         = 0;
4975         target->trace_info->trace_points_size        = 0;
4976         target->trace_info->trace_points             = NULL;
4977         target->trace_info->trace_history_size       = 0;
4978         target->trace_info->trace_history            = NULL;
4979         target->trace_info->trace_history_pos        = 0;
4980         target->trace_info->trace_history_overflowed = 0;
4981
4982         target->dbgmsg          = NULL;
4983         target->dbg_msg_enabled = 0;
4984
4985         target->endianness = TARGET_ENDIAN_UNKNOWN;
4986
4987         target->rtos = NULL;
4988         target->rtos_auto_detect = false;
4989
4990         /* Do the rest as "configure" options */
4991         goi->isconfigure = 1;
4992         e = target_configure(goi, target);
4993
4994         if (target->tap == NULL)
4995         {
4996                 Jim_SetResultString(goi->interp, "-chain-position required when creating target", -1);
4997                 e = JIM_ERR;
4998         }
4999
5000         if (e != JIM_OK) {
5001                 free(target->type);
5002                 free(target);
5003                 return e;
5004         }
5005
5006         if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
5007                 /* default endian to little if not specified */
5008                 target->endianness = TARGET_LITTLE_ENDIAN;
5009         }
5010
5011         /* incase variant is not set */
5012         if (!target->variant)
5013                 target->variant = strdup("");
5014
5015         cp = Jim_GetString(new_cmd, NULL);
5016         target->cmd_name = strdup(cp);
5017
5018         /* create the target specific commands */
5019         if (target->type->commands) {
5020                 e = register_commands(cmd_ctx, NULL, target->type->commands);
5021                 if (ERROR_OK != e)
5022                         LOG_ERROR("unable to register '%s' commands", cp);
5023         }
5024         if (target->type->target_create) {
5025                 (*(target->type->target_create))(target, goi->interp);
5026         }
5027
5028         /* append to end of list */
5029         {
5030                 struct target **tpp;
5031                 tpp = &(all_targets);
5032                 while (*tpp) {
5033                         tpp = &((*tpp)->next);
5034                 }
5035                 *tpp = target;
5036         }
5037
5038         /* now - create the new target name command */
5039         const const struct command_registration target_subcommands[] = {
5040                 {
5041                         .chain = target_instance_command_handlers,
5042                 },
5043                 {
5044                         .chain = target->type->commands,
5045                 },
5046                 COMMAND_REGISTRATION_DONE
5047         };
5048         const const struct command_registration target_commands[] = {
5049                 {
5050                         .name = cp,
5051                         .mode = COMMAND_ANY,
5052                         .help = "target command group",
5053                         .usage = "",
5054                         .chain = target_subcommands,
5055                 },
5056                 COMMAND_REGISTRATION_DONE
5057         };
5058         e = register_commands(cmd_ctx, NULL, target_commands);
5059         if (ERROR_OK != e)
5060                 return JIM_ERR;
5061
5062         struct command *c = command_find_in_context(cmd_ctx, cp);
5063         assert(c);
5064         command_set_handler_data(c, target);
5065
5066         return (ERROR_OK == e) ? JIM_OK : JIM_ERR;
5067 }
5068
5069 static int jim_target_current(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5070 {
5071         if (argc != 1)
5072         {
5073                 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5074                 return JIM_ERR;
5075         }
5076         struct command_context *cmd_ctx = current_command_context(interp);
5077         assert (cmd_ctx != NULL);
5078
5079         Jim_SetResultString(interp, get_current_target(cmd_ctx)->cmd_name, -1);
5080         return JIM_OK;
5081 }
5082
5083 static int jim_target_types(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5084 {
5085         if (argc != 1)
5086         {
5087                 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5088                 return JIM_ERR;
5089         }
5090         Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
5091         for (unsigned x = 0; NULL != target_types[x]; x++)
5092         {
5093                 Jim_ListAppendElement(interp, Jim_GetResult(interp),
5094                         Jim_NewStringObj(interp, target_types[x]->name, -1));
5095         }
5096         return JIM_OK;
5097 }
5098
5099 static int jim_target_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5100 {
5101         if (argc != 1)
5102         {
5103                 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5104                 return JIM_ERR;
5105         }
5106         Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
5107         struct target *target = all_targets;
5108         while (target)
5109         {
5110                 Jim_ListAppendElement(interp, Jim_GetResult(interp),
5111                         Jim_NewStringObj(interp, target_name(target), -1));
5112                 target = target->next;
5113         }
5114         return JIM_OK;
5115 }
5116
5117 static int jim_target_smp(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5118 {
5119         int i;
5120         const char *targetname;
5121         int retval,len;
5122         struct target *target = (struct target *) NULL;
5123         struct target_list *head, *curr, *new;
5124         curr = (struct target_list *) NULL;
5125         head = (struct target_list *) NULL;
5126         new = (struct target_list *) NULL;
5127
5128         retval = 0;
5129         LOG_DEBUG("%d",argc);
5130         /* argv[1] = target to associate in smp
5131          * argv[2] = target to assoicate in smp
5132          * argv[3] ...
5133          */
5134
5135         for(i=1;i<argc;i++)
5136         {
5137
5138                 targetname = Jim_GetString(argv[i], &len);
5139                 target = get_target(targetname);
5140                 LOG_DEBUG("%s ",targetname);
5141                 if (target)
5142                 {
5143                         new=malloc(sizeof(struct target_list));
5144                         new->target = target;
5145                         new->next = (struct target_list*)NULL;
5146                         if (head == (struct target_list*)NULL)
5147                         {
5148                                 head = new;
5149                                 curr = head;
5150                         }
5151                         else
5152                         {
5153                                 curr->next = new;
5154                                 curr = new;
5155                         }
5156                 }
5157         }
5158     /*  now parse the list of cpu and put the target in smp mode*/
5159         curr=head;
5160
5161     while(curr!=(struct target_list *)NULL)
5162         {
5163                 target = curr->target;
5164                 target->smp = 1;
5165                 target->head = head;
5166                 curr = curr->next;
5167         }
5168         if (target->rtos)
5169                 retval = rtos_smp_init(head->target);
5170         return retval;
5171 }
5172
5173
5174 static int jim_target_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5175 {
5176         Jim_GetOptInfo goi;
5177         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5178         if (goi.argc < 3)
5179         {
5180                 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
5181                         "<name> <target_type> [<target_options> ...]");
5182                 return JIM_ERR;
5183         }
5184         return target_create(&goi);
5185 }
5186
5187 static int jim_target_number(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5188 {
5189         Jim_GetOptInfo goi;
5190         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5191
5192         /* It's OK to remove this mechanism sometime after August 2010 or so */
5193         LOG_WARNING("don't use numbers as target identifiers; use names");
5194         if (goi.argc != 1)
5195         {
5196                 Jim_SetResultFormatted(goi.interp, "usage: target number <number>");
5197                 return JIM_ERR;
5198         }
5199         jim_wide w;
5200         int e = Jim_GetOpt_Wide(&goi, &w);
5201         if (e != JIM_OK)
5202                 return JIM_ERR;
5203
5204         struct target *target;
5205         for (target = all_targets; NULL != target; target = target->next)
5206         {
5207                 if (target->target_number != w)
5208                         continue;
5209
5210                 Jim_SetResultString(goi.interp, target_name(target), -1);
5211                 return JIM_OK;
5212         }
5213         {
5214                 Jim_Obj *wObj = Jim_NewIntObj(goi.interp, w);
5215                 Jim_SetResultFormatted(goi.interp,
5216                         "Target: number %#s does not exist", wObj);
5217                 Jim_FreeNewObj(interp, wObj);
5218         }
5219         return JIM_ERR;
5220 }
5221
5222 static int jim_target_count(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5223 {
5224         if (argc != 1)
5225         {
5226                 Jim_WrongNumArgs(interp, 1, argv, "<no parameters>");
5227                 return JIM_ERR;
5228         }
5229         unsigned count = 0;
5230         struct target *target = all_targets;
5231         while (NULL != target)
5232         {
5233                 target = target->next;
5234                 count++;
5235         }
5236         Jim_SetResult(interp, Jim_NewIntObj(interp, count));
5237         return JIM_OK;
5238 }
5239
5240 static const struct command_registration target_subcommand_handlers[] = {
5241         {
5242                 .name = "init",
5243                 .mode = COMMAND_CONFIG,
5244                 .handler = handle_target_init_command,
5245                 .help = "initialize targets",
5246         },
5247         {
5248                 .name = "create",
5249                 /* REVISIT this should be COMMAND_CONFIG ... */
5250                 .mode = COMMAND_ANY,
5251                 .jim_handler = jim_target_create,
5252                 .usage = "name type '-chain-position' name [options ...]",
5253                 .help = "Creates and selects a new target",
5254         },
5255         {
5256                 .name = "current",
5257                 .mode = COMMAND_ANY,
5258                 .jim_handler = jim_target_current,
5259                 .help = "Returns the currently selected target",
5260         },
5261         {
5262                 .name = "types",
5263                 .mode = COMMAND_ANY,
5264                 .jim_handler = jim_target_types,
5265                 .help = "Returns the available target types as "
5266                                 "a list of strings",
5267         },
5268         {
5269                 .name = "names",
5270                 .mode = COMMAND_ANY,
5271                 .jim_handler = jim_target_names,
5272                 .help = "Returns the names of all targets as a list of strings",
5273         },
5274         {
5275                 .name = "number",
5276                 .mode = COMMAND_ANY,
5277                 .jim_handler = jim_target_number,
5278                 .usage = "number",
5279                 .help = "Returns the name of the numbered target "
5280                         "(DEPRECATED)",
5281         },
5282         {
5283                 .name = "count",
5284                 .mode = COMMAND_ANY,
5285                 .jim_handler = jim_target_count,
5286                 .help = "Returns the number of targets as an integer "
5287                         "(DEPRECATED)",
5288         },
5289         {
5290                 .name = "smp",
5291                 .mode = COMMAND_ANY,
5292                 .jim_handler = jim_target_smp,
5293                 .usage = "targetname1 targetname2 ...",
5294                 .help = "gather several target in a smp list"
5295         },
5296
5297         COMMAND_REGISTRATION_DONE
5298 };
5299
5300 struct FastLoad
5301 {
5302         uint32_t address;
5303         uint8_t *data;
5304         int length;
5305
5306 };
5307
5308 static int fastload_num;
5309 static struct FastLoad *fastload;
5310
5311 static void free_fastload(void)
5312 {
5313         if (fastload != NULL)
5314         {
5315                 int i;
5316                 for (i = 0; i < fastload_num; i++)
5317                 {
5318                         if (fastload[i].data)
5319                                 free(fastload[i].data);
5320                 }
5321                 free(fastload);
5322                 fastload = NULL;
5323         }
5324 }
5325
5326
5327
5328
5329 COMMAND_HANDLER(handle_fast_load_image_command)
5330 {
5331         uint8_t *buffer;
5332         size_t buf_cnt;
5333         uint32_t image_size;
5334         uint32_t min_address = 0;
5335         uint32_t max_address = 0xffffffff;
5336         int i;
5337
5338         struct image image;
5339
5340         int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
5341                         &image, &min_address, &max_address);
5342         if (ERROR_OK != retval)
5343                 return retval;
5344
5345         struct duration bench;
5346         duration_start(&bench);
5347
5348         retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL);
5349         if (retval != ERROR_OK)
5350         {
5351                 return retval;
5352         }
5353
5354         image_size = 0x0;
5355         retval = ERROR_OK;
5356         fastload_num = image.num_sections;
5357         fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
5358         if (fastload == NULL)
5359         {
5360                 command_print(CMD_CTX, "out of memory");
5361                 image_close(&image);
5362                 return ERROR_FAIL;
5363         }
5364         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
5365         for (i = 0; i < image.num_sections; i++)
5366         {
5367                 buffer = malloc(image.sections[i].size);
5368                 if (buffer == NULL)
5369                 {
5370                         command_print(CMD_CTX, "error allocating buffer for section (%d bytes)",
5371                                                   (int)(image.sections[i].size));
5372                         retval = ERROR_FAIL;
5373                         break;
5374                 }
5375
5376                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
5377                 {
5378                         free(buffer);
5379                         break;
5380                 }
5381
5382                 uint32_t offset = 0;
5383                 uint32_t length = buf_cnt;
5384
5385
5386                 /* DANGER!!! beware of unsigned comparision here!!! */
5387
5388                 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
5389                                 (image.sections[i].base_address < max_address))
5390                 {
5391                         if (image.sections[i].base_address < min_address)
5392                         {
5393                                 /* clip addresses below */
5394                                 offset += min_address-image.sections[i].base_address;
5395                                 length -= offset;
5396                         }
5397
5398                         if (image.sections[i].base_address + buf_cnt > max_address)
5399                         {
5400                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
5401                         }
5402
5403                         fastload[i].address = image.sections[i].base_address + offset;
5404                         fastload[i].data = malloc(length);
5405                         if (fastload[i].data == NULL)
5406                         {
5407                                 free(buffer);
5408                                 command_print(CMD_CTX, "error allocating buffer for section (%d bytes)",
5409                                                           length);
5410                                 retval = ERROR_FAIL;
5411                                 break;
5412                         }
5413                         memcpy(fastload[i].data, buffer + offset, length);
5414                         fastload[i].length = length;
5415
5416                         image_size += length;
5417                         command_print(CMD_CTX, "%u bytes written at address 0x%8.8x",
5418                                                   (unsigned int)length,
5419                                                   ((unsigned int)(image.sections[i].base_address + offset)));
5420                 }
5421
5422                 free(buffer);
5423         }
5424
5425         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
5426         {
5427                 command_print(CMD_CTX, "Loaded %" PRIu32 " bytes "
5428                                 "in %fs (%0.3f KiB/s)", image_size,
5429                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
5430
5431                 command_print(CMD_CTX,
5432                                 "WARNING: image has not been loaded to target!"
5433                                 "You can issue a 'fast_load' to finish loading.");
5434         }
5435
5436         image_close(&image);
5437
5438         if (retval != ERROR_OK)
5439         {
5440                 free_fastload();
5441         }
5442
5443         return retval;
5444 }
5445
5446 COMMAND_HANDLER(handle_fast_load_command)
5447 {
5448         if (CMD_ARGC > 0)
5449                 return ERROR_COMMAND_SYNTAX_ERROR;
5450         if (fastload == NULL)
5451         {
5452                 LOG_ERROR("No image in memory");
5453                 return ERROR_FAIL;
5454         }
5455         int i;
5456         int ms = timeval_ms();
5457         int size = 0;
5458         int retval = ERROR_OK;
5459         for (i = 0; i < fastload_num;i++)
5460         {
5461                 struct target *target = get_current_target(CMD_CTX);
5462                 command_print(CMD_CTX, "Write to 0x%08x, length 0x%08x",
5463                                           (unsigned int)(fastload[i].address),
5464                                           (unsigned int)(fastload[i].length));
5465                 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
5466                 if (retval != ERROR_OK)
5467                 {
5468                         break;
5469                 }
5470                 size += fastload[i].length;
5471         }
5472         if (retval == ERROR_OK)
5473         {
5474                 int after = timeval_ms();
5475                 command_print(CMD_CTX, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
5476         }
5477         return retval;
5478 }
5479
5480 static const struct command_registration target_command_handlers[] = {
5481         {
5482                 .name = "targets",
5483                 .handler = handle_targets_command,
5484                 .mode = COMMAND_ANY,
5485                 .help = "change current default target (one parameter) "
5486                         "or prints table of all targets (no parameters)",
5487                 .usage = "[target]",
5488         },
5489         {
5490                 .name = "target",
5491                 .mode = COMMAND_CONFIG,
5492                 .help = "configure target",
5493
5494                 .chain = target_subcommand_handlers,
5495         },
5496         COMMAND_REGISTRATION_DONE
5497 };
5498
5499 int target_register_commands(struct command_context *cmd_ctx)
5500 {
5501         return register_commands(cmd_ctx, NULL, target_command_handlers);
5502 }
5503
5504 static bool target_reset_nag = true;
5505
5506 bool get_target_reset_nag(void)
5507 {
5508         return target_reset_nag;
5509 }
5510
5511 COMMAND_HANDLER(handle_target_reset_nag)
5512 {
5513         return CALL_COMMAND_HANDLER(handle_command_parse_bool,
5514                         &target_reset_nag, "Nag after each reset about options to improve "
5515                         "performance");
5516 }
5517
5518 COMMAND_HANDLER(handle_ps_command)
5519 {
5520         struct target *target = get_current_target(CMD_CTX);
5521         char *display;
5522         if (target->state != TARGET_HALTED) {
5523                 LOG_INFO("target not halted !!");
5524                 return ERROR_OK;
5525         }
5526
5527         if ((target->rtos) && (target->rtos->type)
5528                         && (target->rtos->type->ps_command)) {
5529                 display = target->rtos->type->ps_command(target);
5530                 command_print(CMD_CTX, "%s", display);
5531                 free(display);
5532                 return ERROR_OK;
5533         } else {
5534                 LOG_INFO("failed");
5535                 return ERROR_TARGET_FAILURE;
5536         }
5537 }
5538
5539 static const struct command_registration target_exec_command_handlers[] = {
5540         {
5541                 .name = "fast_load_image",
5542                 .handler = handle_fast_load_image_command,
5543                 .mode = COMMAND_ANY,
5544                 .help = "Load image into server memory for later use by "
5545                         "fast_load; primarily for profiling",
5546                 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
5547                         "[min_address [max_length]]",
5548         },
5549         {
5550                 .name = "fast_load",
5551                 .handler = handle_fast_load_command,
5552                 .mode = COMMAND_EXEC,
5553                 .help = "loads active fast load image to current target "
5554                         "- mainly for profiling purposes",
5555                 .usage = "",
5556         },
5557         {
5558                 .name = "profile",
5559                 .handler = handle_profile_command,
5560                 .mode = COMMAND_EXEC,
5561                 .usage = "seconds filename",
5562                 .help = "profiling samples the CPU PC",
5563         },
5564         /** @todo don't register virt2phys() unless target supports it */
5565         {
5566                 .name = "virt2phys",
5567                 .handler = handle_virt2phys_command,
5568                 .mode = COMMAND_ANY,
5569                 .help = "translate a virtual address into a physical address",
5570                 .usage = "virtual_address",
5571         },
5572         {
5573                 .name = "reg",
5574                 .handler = handle_reg_command,
5575                 .mode = COMMAND_EXEC,
5576                 .help = "display or set a register; with no arguments, "
5577                         "displays all registers and their values",
5578                 .usage = "[(register_name|register_number) [value]]",
5579         },
5580         {
5581                 .name = "poll",
5582                 .handler = handle_poll_command,
5583                 .mode = COMMAND_EXEC,
5584                 .help = "poll target state; or reconfigure background polling",
5585                 .usage = "['on'|'off']",
5586         },
5587         {
5588                 .name = "wait_halt",
5589                 .handler = handle_wait_halt_command,
5590                 .mode = COMMAND_EXEC,
5591                 .help = "wait up to the specified number of milliseconds "
5592                         "(default 5) for a previously requested halt",
5593                 .usage = "[milliseconds]",
5594         },
5595         {
5596                 .name = "halt",
5597                 .handler = handle_halt_command,
5598                 .mode = COMMAND_EXEC,
5599                 .help = "request target to halt, then wait up to the specified"
5600                         "number of milliseconds (default 5) for it to complete",
5601                 .usage = "[milliseconds]",
5602         },
5603         {
5604                 .name = "resume",
5605                 .handler = handle_resume_command,
5606                 .mode = COMMAND_EXEC,
5607                 .help = "resume target execution from current PC or address",
5608                 .usage = "[address]",
5609         },
5610         {
5611                 .name = "reset",
5612                 .handler = handle_reset_command,
5613                 .mode = COMMAND_EXEC,
5614                 .usage = "[run|halt|init]",
5615                 .help = "Reset all targets into the specified mode."
5616                         "Default reset mode is run, if not given.",
5617         },
5618         {
5619                 .name = "soft_reset_halt",
5620                 .handler = handle_soft_reset_halt_command,
5621                 .mode = COMMAND_EXEC,
5622                 .usage = "",
5623                 .help = "halt the target and do a soft reset",
5624         },
5625         {
5626                 .name = "step",
5627                 .handler = handle_step_command,
5628                 .mode = COMMAND_EXEC,
5629                 .help = "step one instruction from current PC or address",
5630                 .usage = "[address]",
5631         },
5632         {
5633                 .name = "mdw",
5634                 .handler = handle_md_command,
5635                 .mode = COMMAND_EXEC,
5636                 .help = "display memory words",
5637                 .usage = "['phys'] address [count]",
5638         },
5639         {
5640                 .name = "mdh",
5641                 .handler = handle_md_command,
5642                 .mode = COMMAND_EXEC,
5643                 .help = "display memory half-words",
5644                 .usage = "['phys'] address [count]",
5645         },
5646         {
5647                 .name = "mdb",
5648                 .handler = handle_md_command,
5649                 .mode = COMMAND_EXEC,
5650                 .help = "display memory bytes",
5651                 .usage = "['phys'] address [count]",
5652         },
5653         {
5654                 .name = "mww",
5655                 .handler = handle_mw_command,
5656                 .mode = COMMAND_EXEC,
5657                 .help = "write memory word",
5658                 .usage = "['phys'] address value [count]",
5659         },
5660         {
5661                 .name = "mwh",
5662                 .handler = handle_mw_command,
5663                 .mode = COMMAND_EXEC,
5664                 .help = "write memory half-word",
5665                 .usage = "['phys'] address value [count]",
5666         },
5667         {
5668                 .name = "mwb",
5669                 .handler = handle_mw_command,
5670                 .mode = COMMAND_EXEC,
5671                 .help = "write memory byte",
5672                 .usage = "['phys'] address value [count]",
5673         },
5674         {
5675                 .name = "bp",
5676                 .handler = handle_bp_command,
5677                 .mode = COMMAND_EXEC,
5678                 .help = "list or set hardware or software breakpoint",
5679                 .usage = "<address> [<asid>]<length> ['hw'|'hw_ctx']",
5680         },
5681         {
5682                 .name = "rbp",
5683                 .handler = handle_rbp_command,
5684                 .mode = COMMAND_EXEC,
5685                 .help = "remove breakpoint",
5686                 .usage = "address",
5687         },
5688         {
5689                 .name = "wp",
5690                 .handler = handle_wp_command,
5691                 .mode = COMMAND_EXEC,
5692                 .help = "list (no params) or create watchpoints",
5693                 .usage = "[address length [('r'|'w'|'a') value [mask]]]",
5694         },
5695         {
5696                 .name = "rwp",
5697                 .handler = handle_rwp_command,
5698                 .mode = COMMAND_EXEC,
5699                 .help = "remove watchpoint",
5700                 .usage = "address",
5701         },
5702         {
5703                 .name = "load_image",
5704                 .handler = handle_load_image_command,
5705                 .mode = COMMAND_EXEC,
5706                 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
5707                         "[min_address] [max_length]",
5708         },
5709         {
5710                 .name = "dump_image",
5711                 .handler = handle_dump_image_command,
5712                 .mode = COMMAND_EXEC,
5713                 .usage = "filename address size",
5714         },
5715         {
5716                 .name = "verify_image",
5717                 .handler = handle_verify_image_command,
5718                 .mode = COMMAND_EXEC,
5719                 .usage = "filename [offset [type]]",
5720         },
5721         {
5722                 .name = "test_image",
5723                 .handler = handle_test_image_command,
5724                 .mode = COMMAND_EXEC,
5725                 .usage = "filename [offset [type]]",
5726         },
5727         {
5728                 .name = "mem2array",
5729                 .mode = COMMAND_EXEC,
5730                 .jim_handler = jim_mem2array,
5731                 .help = "read 8/16/32 bit memory and return as a TCL array "
5732                         "for script processing",
5733                 .usage = "arrayname bitwidth address count",
5734         },
5735         {
5736                 .name = "array2mem",
5737                 .mode = COMMAND_EXEC,
5738                 .jim_handler = jim_array2mem,
5739                 .help = "convert a TCL array to memory locations "
5740                         "and write the 8/16/32 bit values",
5741                 .usage = "arrayname bitwidth address count",
5742         },
5743         {
5744                 .name = "reset_nag",
5745                 .handler = handle_target_reset_nag,
5746                 .mode = COMMAND_ANY,
5747                 .help = "Nag after each reset about options that could have been "
5748                                 "enabled to improve performance. ",
5749                 .usage = "['enable'|'disable']",
5750         },
5751         {
5752                 .name = "ps",
5753                 .handler = handle_ps_command,
5754                 .mode = COMMAND_EXEC,
5755                 .help = "list all tasks ",
5756                 .usage = " ",
5757         },
5758
5759         COMMAND_REGISTRATION_DONE
5760 };
5761 static int target_register_user_commands(struct command_context *cmd_ctx)
5762 {
5763         int retval = ERROR_OK;
5764         if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
5765                 return retval;
5766
5767         if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
5768                 return retval;
5769
5770
5771         return register_commands(cmd_ctx, NULL, target_exec_command_handlers);
5772 }