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