git.sur5r.net Git - openocd/blob - src/target/target.c

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007-2010 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   Copyright (C) 2011 by Broadcom Corporation                            *
  18  *   Evan Hunter - ehunter@broadcom.com                                    *
  19  *                                                                         *
  20  *   Copyright (C) ST-Ericsson SA 2011                                     *
  21  *   michel.jaouen@stericsson.com : smp minimum support                    *
  22  *                                                                         *
  23  *   Copyright (C) 2011 Andreas Fritiofson                                 *
  24  *   andreas.fritiofson@gmail.com                                          *
  25  *                                                                         *
  26  *   This program is free software; you can redistribute it and/or modify  *
  27  *   it under the terms of the GNU General Public License as published by  *
  28  *   the Free Software Foundation; either version 2 of the License, or     *
  29  *   (at your option) any later version.                                   *
  30  *                                                                         *
  31  *   This program is distributed in the hope that it will be useful,       *
  32  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  33  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  34  *   GNU General Public License for more details.                          *
  35  *                                                                         *
  36  *   You should have received a copy of the GNU General Public License     *
  37  *   along with this program; if not, write to the                         *
  38  *   Free Software Foundation, Inc.,                                       *
  39  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  40  ***************************************************************************/
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #endif
  45
  46 #include <helper/time_support.h>
  47 #include <jtag/jtag.h>
  48 #include <flash/nor/core.h>
  49
  50 #include "target.h"
  51 #include "target_type.h"
  52 #include "target_request.h"
  53 #include "breakpoints.h"
  54 #include "register.h"
  55 #include "trace.h"
  56 #include "image.h"
  57 #include "rtos/rtos.h"
  58
  59 /* default halt wait timeout (ms) */
  60 #define DEFAULT_HALT_TIMEOUT 5000
  61
  62 static int target_read_buffer_default(struct target *target, uint32_t address,
  63                 uint32_t count, uint8_t *buffer);
  64 static int target_write_buffer_default(struct target *target, uint32_t address,
  65                 uint32_t count, const uint8_t *buffer);
  66 static int target_array2mem(Jim_Interp *interp, struct target *target,
  67                 int argc, Jim_Obj * const *argv);
  68 static int target_mem2array(Jim_Interp *interp, struct target *target,
  69                 int argc, Jim_Obj * const *argv);
  70 static int target_register_user_commands(struct command_context *cmd_ctx);
  71 static int target_get_gdb_fileio_info_default(struct target *target,
  72                 struct gdb_fileio_info *fileio_info);
  73 static int target_gdb_fileio_end_default(struct target *target, int retcode,
  74                 int fileio_errno, bool ctrl_c);
  75 static int target_profiling_default(struct target *target, uint32_t *samples,
  76                 uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds);
  77
  78 /* targets */
  79 extern struct target_type arm7tdmi_target;
  80 extern struct target_type arm720t_target;
  81 extern struct target_type arm9tdmi_target;
  82 extern struct target_type arm920t_target;
  83 extern struct target_type arm966e_target;
  84 extern struct target_type arm946e_target;
  85 extern struct target_type arm926ejs_target;
  86 extern struct target_type fa526_target;
  87 extern struct target_type feroceon_target;
  88 extern struct target_type dragonite_target;
  89 extern struct target_type xscale_target;
  90 extern struct target_type cortexm_target;
  91 extern struct target_type cortexa8_target;
  92 extern struct target_type cortexr4_target;
  93 extern struct target_type arm11_target;
  94 extern struct target_type mips_m4k_target;
  95 extern struct target_type avr_target;
  96 extern struct target_type dsp563xx_target;
  97 extern struct target_type dsp5680xx_target;
  98 extern struct target_type testee_target;
  99 extern struct target_type avr32_ap7k_target;
 100 extern struct target_type hla_target;
 101 extern struct target_type nds32_v2_target;
 102 extern struct target_type nds32_v3_target;
 103 extern struct target_type nds32_v3m_target;
 104 extern struct target_type or1k_target;
 105 extern struct target_type quark_x10xx_target;
 106
 107 static struct target_type *target_types[] = {
 108         &arm7tdmi_target,
 109         &arm9tdmi_target,
 110         &arm920t_target,
 111         &arm720t_target,
 112         &arm966e_target,
 113         &arm946e_target,
 114         &arm926ejs_target,
 115         &fa526_target,
 116         &feroceon_target,
 117         &dragonite_target,
 118         &xscale_target,
 119         &cortexm_target,
 120         &cortexa8_target,
 121         &cortexr4_target,
 122         &arm11_target,
 123         &mips_m4k_target,
 124         &avr_target,
 125         &dsp563xx_target,
 126         &dsp5680xx_target,
 127         &testee_target,
 128         &avr32_ap7k_target,
 129         &hla_target,
 130         &nds32_v2_target,
 131         &nds32_v3_target,
 132         &nds32_v3m_target,
 133         &or1k_target,
 134         &quark_x10xx_target,
 135         NULL,
 136 };
 137
 138 struct target *all_targets;
 139 static struct target_event_callback *target_event_callbacks;
 140 static struct target_timer_callback *target_timer_callbacks;
 141 static const int polling_interval = 100;
 142
 143 static const Jim_Nvp nvp_assert[] = {
 144         { .name = "assert", NVP_ASSERT },
 145         { .name = "deassert", NVP_DEASSERT },
 146         { .name = "T", NVP_ASSERT },
 147         { .name = "F", NVP_DEASSERT },
 148         { .name = "t", NVP_ASSERT },
 149         { .name = "f", NVP_DEASSERT },
 150         { .name = NULL, .value = -1 }
 151 };
 152
 153 static const Jim_Nvp nvp_error_target[] = {
 154         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 155         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 156         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 157         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 158         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 159         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 160         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 161         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 162         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 163         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 164         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 165         { .value = -1, .name = NULL }
 166 };
 167
 168 static const char *target_strerror_safe(int err)
 169 {
 170         const Jim_Nvp *n;
 171
 172         n = Jim_Nvp_value2name_simple(nvp_error_target, err);
 173         if (n->name == NULL)
 174                 return "unknown";
 175         else
 176                 return n->name;
 177 }
 178
 179 static const Jim_Nvp nvp_target_event[] = {
 180
 181         { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
 182         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 183         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 184         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 185         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 186
 187         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 188         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 189
 190         { .value = TARGET_EVENT_RESET_START,         .name = "reset-start" },
 191         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 192         { .value = TARGET_EVENT_RESET_ASSERT,        .name = "reset-assert" },
 193         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 194         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 195         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 196         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 197         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 198         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 199         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 200         { .value = TARGET_EVENT_RESET_INIT,          .name = "reset-init" },
 201         { .value = TARGET_EVENT_RESET_END,           .name = "reset-end" },
 202
 203         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 204         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 205
 206         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 207         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 208
 209         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 210         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 211
 212         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 213         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 214
 215         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 216         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 217
 218         { .name = NULL, .value = -1 }
 219 };
 220
 221 static const Jim_Nvp nvp_target_state[] = {
 222         { .name = "unknown", .value = TARGET_UNKNOWN },
 223         { .name = "running", .value = TARGET_RUNNING },
 224         { .name = "halted",  .value = TARGET_HALTED },
 225         { .name = "reset",   .value = TARGET_RESET },
 226         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 227         { .name = NULL, .value = -1 },
 228 };
 229
 230 static const Jim_Nvp nvp_target_debug_reason[] = {
 231         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 232         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 233         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 234         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 235         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 236         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 237         { .name = "program-exit"             , .value = DBG_REASON_EXIT },
 238         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 239         { .name = NULL, .value = -1 },
 240 };
 241
 242 static const Jim_Nvp nvp_target_endian[] = {
 243         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 244         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 245         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 246         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 247         { .name = NULL,     .value = -1 },
 248 };
 249
 250 static const Jim_Nvp nvp_reset_modes[] = {
 251         { .name = "unknown", .value = RESET_UNKNOWN },
 252         { .name = "run"    , .value = RESET_RUN },
 253         { .name = "halt"   , .value = RESET_HALT },
 254         { .name = "init"   , .value = RESET_INIT },
 255         { .name = NULL     , .value = -1 },
 256 };
 257
 258 const char *debug_reason_name(struct target *t)
 259 {
 260         const char *cp;
 261
 262         cp = Jim_Nvp_value2name_simple(nvp_target_debug_reason,
 263                         t->debug_reason)->name;
 264         if (!cp) {
 265                 LOG_ERROR("Invalid debug reason: %d", (int)(t->debug_reason));
 266                 cp = "(*BUG*unknown*BUG*)";
 267         }
 268         return cp;
 269 }
 270
 271 const char *target_state_name(struct target *t)
 272 {
 273         const char *cp;
 274         cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
 275         if (!cp) {
 276                 LOG_ERROR("Invalid target state: %d", (int)(t->state));
 277                 cp = "(*BUG*unknown*BUG*)";
 278         }
 279         return cp;
 280 }
 281
 282 /* determine the number of the new target */
 283 static int new_target_number(void)
 284 {
 285         struct target *t;
 286         int x;
 287
 288         /* number is 0 based */
 289         x = -1;
 290         t = all_targets;
 291         while (t) {
 292                 if (x < t->target_number)
 293                         x = t->target_number;
 294                 t = t->next;
 295         }
 296         return x + 1;
 297 }
 298
 299 /* read a uint64_t from a buffer in target memory endianness */
 300 uint64_t target_buffer_get_u64(struct target *target, const uint8_t *buffer)
 301 {
 302         if (target->endianness == TARGET_LITTLE_ENDIAN)
 303                 return le_to_h_u64(buffer);
 304         else
 305                 return be_to_h_u64(buffer);
 306 }
 307
 308 /* read a uint32_t from a buffer in target memory endianness */
 309 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer)
 310 {
 311         if (target->endianness == TARGET_LITTLE_ENDIAN)
 312                 return le_to_h_u32(buffer);
 313         else
 314                 return be_to_h_u32(buffer);
 315 }
 316
 317 /* read a uint24_t from a buffer in target memory endianness */
 318 uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer)
 319 {
 320         if (target->endianness == TARGET_LITTLE_ENDIAN)
 321                 return le_to_h_u24(buffer);
 322         else
 323                 return be_to_h_u24(buffer);
 324 }
 325
 326 /* read a uint16_t from a buffer in target memory endianness */
 327 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer)
 328 {
 329         if (target->endianness == TARGET_LITTLE_ENDIAN)
 330                 return le_to_h_u16(buffer);
 331         else
 332                 return be_to_h_u16(buffer);
 333 }
 334
 335 /* read a uint8_t from a buffer in target memory endianness */
 336 static uint8_t target_buffer_get_u8(struct target *target, const uint8_t *buffer)
 337 {
 338         return *buffer & 0x0ff;
 339 }
 340
 341 /* write a uint64_t to a buffer in target memory endianness */
 342 void target_buffer_set_u64(struct target *target, uint8_t *buffer, uint64_t value)
 343 {
 344         if (target->endianness == TARGET_LITTLE_ENDIAN)
 345                 h_u64_to_le(buffer, value);
 346         else
 347                 h_u64_to_be(buffer, value);
 348 }
 349
 350 /* write a uint32_t to a buffer in target memory endianness */
 351 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value)
 352 {
 353         if (target->endianness == TARGET_LITTLE_ENDIAN)
 354                 h_u32_to_le(buffer, value);
 355         else
 356                 h_u32_to_be(buffer, value);
 357 }
 358
 359 /* write a uint24_t to a buffer in target memory endianness */
 360 void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value)
 361 {
 362         if (target->endianness == TARGET_LITTLE_ENDIAN)
 363                 h_u24_to_le(buffer, value);
 364         else
 365                 h_u24_to_be(buffer, value);
 366 }
 367
 368 /* write a uint16_t to a buffer in target memory endianness */
 369 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value)
 370 {
 371         if (target->endianness == TARGET_LITTLE_ENDIAN)
 372                 h_u16_to_le(buffer, value);
 373         else
 374                 h_u16_to_be(buffer, value);
 375 }
 376
 377 /* write a uint8_t to a buffer in target memory endianness */
 378 static void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
 379 {
 380         *buffer = value;
 381 }
 382
 383 /* write a uint64_t array to a buffer in target memory endianness */
 384 void target_buffer_get_u64_array(struct target *target, const uint8_t *buffer, uint32_t count, uint64_t *dstbuf)
 385 {
 386         uint32_t i;
 387         for (i = 0; i < count; i++)
 388                 dstbuf[i] = target_buffer_get_u64(target, &buffer[i * 8]);
 389 }
 390
 391 /* write a uint32_t array to a buffer in target memory endianness */
 392 void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf)
 393 {
 394         uint32_t i;
 395         for (i = 0; i < count; i++)
 396                 dstbuf[i] = target_buffer_get_u32(target, &buffer[i * 4]);
 397 }
 398
 399 /* write a uint16_t array to a buffer in target memory endianness */
 400 void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, uint32_t count, uint16_t *dstbuf)
 401 {
 402         uint32_t i;
 403         for (i = 0; i < count; i++)
 404                 dstbuf[i] = target_buffer_get_u16(target, &buffer[i * 2]);
 405 }
 406
 407 /* write a uint64_t array to a buffer in target memory endianness */
 408 void target_buffer_set_u64_array(struct target *target, uint8_t *buffer, uint32_t count, const uint64_t *srcbuf)
 409 {
 410         uint32_t i;
 411         for (i = 0; i < count; i++)
 412                 target_buffer_set_u64(target, &buffer[i * 8], srcbuf[i]);
 413 }
 414
 415 /* write a uint32_t array to a buffer in target memory endianness */
 416 void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, const uint32_t *srcbuf)
 417 {
 418         uint32_t i;
 419         for (i = 0; i < count; i++)
 420                 target_buffer_set_u32(target, &buffer[i * 4], srcbuf[i]);
 421 }
 422
 423 /* write a uint16_t array to a buffer in target memory endianness */
 424 void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, const uint16_t *srcbuf)
 425 {
 426         uint32_t i;
 427         for (i = 0; i < count; i++)
 428                 target_buffer_set_u16(target, &buffer[i * 2], srcbuf[i]);
 429 }
 430
 431 /* return a pointer to a configured target; id is name or number */
 432 struct target *get_target(const char *id)
 433 {
 434         struct target *target;
 435
 436         /* try as tcltarget name */
 437         for (target = all_targets; target; target = target->next) {
 438                 if (target_name(target) == NULL)
 439                         continue;
 440                 if (strcmp(id, target_name(target)) == 0)
 441                         return target;
 442         }
 443
 444         /* It's OK to remove this fallback sometime after August 2010 or so */
 445
 446         /* no match, try as number */
 447         unsigned num;
 448         if (parse_uint(id, &num) != ERROR_OK)
 449                 return NULL;
 450
 451         for (target = all_targets; target; target = target->next) {
 452                 if (target->target_number == (int)num) {
 453                         LOG_WARNING("use '%s' as target identifier, not '%u'",
 454                                         target_name(target), num);
 455                         return target;
 456                 }
 457         }
 458
 459         return NULL;
 460 }
 461
 462 /* returns a pointer to the n-th configured target */
 463 static struct target *get_target_by_num(int num)
 464 {
 465         struct target *target = all_targets;
 466
 467         while (target) {
 468                 if (target->target_number == num)
 469                         return target;
 470                 target = target->next;
 471         }
 472
 473         return NULL;
 474 }
 475
 476 struct target *get_current_target(struct command_context *cmd_ctx)
 477 {
 478         struct target *target = get_target_by_num(cmd_ctx->current_target);
 479
 480         if (target == NULL) {
 481                 LOG_ERROR("BUG: current_target out of bounds");
 482                 exit(-1);
 483         }
 484
 485         return target;
 486 }
 487
 488 int target_poll(struct target *target)
 489 {
 490         int retval;
 491
 492         /* We can't poll until after examine */
 493         if (!target_was_examined(target)) {
 494                 /* Fail silently lest we pollute the log */
 495                 return ERROR_FAIL;
 496         }
 497
 498         retval = target->type->poll(target);
 499         if (retval != ERROR_OK)
 500                 return retval;
 501
 502         if (target->halt_issued) {
 503                 if (target->state == TARGET_HALTED)
 504                         target->halt_issued = false;
 505                 else {
 506                         long long t = timeval_ms() - target->halt_issued_time;
 507                         if (t > DEFAULT_HALT_TIMEOUT) {
 508                                 target->halt_issued = false;
 509                                 LOG_INFO("Halt timed out, wake up GDB.");
 510                                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
 511                         }
 512                 }
 513         }
 514
 515         return ERROR_OK;
 516 }
 517
 518 int target_halt(struct target *target)
 519 {
 520         int retval;
 521         /* We can't poll until after examine */
 522         if (!target_was_examined(target)) {
 523                 LOG_ERROR("Target not examined yet");
 524                 return ERROR_FAIL;
 525         }
 526
 527         retval = target->type->halt(target);
 528         if (retval != ERROR_OK)
 529                 return retval;
 530
 531         target->halt_issued = true;
 532         target->halt_issued_time = timeval_ms();
 533
 534         return ERROR_OK;
 535 }
 536
 537 /**
 538  * Make the target (re)start executing using its saved execution
 539  * context (possibly with some modifications).
 540  *
 541  * @param target Which target should start executing.
 542  * @param current True to use the target's saved program counter instead
 543  *      of the address parameter
 544  * @param address Optionally used as the program counter.
 545  * @param handle_breakpoints True iff breakpoints at the resumption PC
 546  *      should be skipped.  (For example, maybe execution was stopped by
 547  *      such a breakpoint, in which case it would be counterprodutive to
 548  *      let it re-trigger.
 549  * @param debug_execution False if all working areas allocated by OpenOCD
 550  *      should be released and/or restored to their original contents.
 551  *      (This would for example be true to run some downloaded "helper"
 552  *      algorithm code, which resides in one such working buffer and uses
 553  *      another for data storage.)
 554  *
 555  * @todo Resolve the ambiguity about what the "debug_execution" flag
 556  * signifies.  For example, Target implementations don't agree on how
 557  * it relates to invalidation of the register cache, or to whether
 558  * breakpoints and watchpoints should be enabled.  (It would seem wrong
 559  * to enable breakpoints when running downloaded "helper" algorithms
 560  * (debug_execution true), since the breakpoints would be set to match
 561  * target firmware being debugged, not the helper algorithm.... and
 562  * enabling them could cause such helpers to malfunction (for example,
 563  * by overwriting data with a breakpoint instruction.  On the other
 564  * hand the infrastructure for running such helpers might use this
 565  * procedure but rely on hardware breakpoint to detect termination.)
 566  */
 567 int target_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
 568 {
 569         int retval;
 570
 571         /* We can't poll until after examine */
 572         if (!target_was_examined(target)) {
 573                 LOG_ERROR("Target not examined yet");
 574                 return ERROR_FAIL;
 575         }
 576
 577         target_call_event_callbacks(target, TARGET_EVENT_RESUME_START);
 578
 579         /* note that resume *must* be asynchronous. The CPU can halt before
 580          * we poll. The CPU can even halt at the current PC as a result of
 581          * a software breakpoint being inserted by (a bug?) the application.
 582          */
 583         retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution);
 584         if (retval != ERROR_OK)
 585                 return retval;
 586
 587         target_call_event_callbacks(target, TARGET_EVENT_RESUME_END);
 588
 589         return retval;
 590 }
 591
 592 static int target_process_reset(struct command_context *cmd_ctx, enum target_reset_mode reset_mode)
 593 {
 594         char buf[100];
 595         int retval;
 596         Jim_Nvp *n;
 597         n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
 598         if (n->name == NULL) {
 599                 LOG_ERROR("invalid reset mode");
 600                 return ERROR_FAIL;
 601         }
 602
 603         /* disable polling during reset to make reset event scripts
 604          * more predictable, i.e. dr/irscan & pathmove in events will
 605          * not have JTAG operations injected into the middle of a sequence.
 606          */
 607         bool save_poll = jtag_poll_get_enabled();
 608
 609         jtag_poll_set_enabled(false);
 610
 611         sprintf(buf, "ocd_process_reset %s", n->name);
 612         retval = Jim_Eval(cmd_ctx->interp, buf);
 613
 614         jtag_poll_set_enabled(save_poll);
 615
 616         if (retval != JIM_OK) {
 617                 Jim_MakeErrorMessage(cmd_ctx->interp);
 618                 command_print(NULL, "%s\n", Jim_GetString(Jim_GetResult(cmd_ctx->interp), NULL));
 619                 return ERROR_FAIL;
 620         }
 621
 622         /* We want any events to be processed before the prompt */
 623         retval = target_call_timer_callbacks_now();
 624
 625         struct target *target;
 626         for (target = all_targets; target; target = target->next) {
 627                 target->type->check_reset(target);
 628                 target->running_alg = false;
 629         }
 630
 631         return retval;
 632 }
 633
 634 static int identity_virt2phys(struct target *target,
 635                 uint32_t virtual, uint32_t *physical)
 636 {
 637         *physical = virtual;
 638         return ERROR_OK;
 639 }
 640
 641 static int no_mmu(struct target *target, int *enabled)
 642 {
 643         *enabled = 0;
 644         return ERROR_OK;
 645 }
 646
 647 static int default_examine(struct target *target)
 648 {
 649         target_set_examined(target);
 650         return ERROR_OK;
 651 }
 652
 653 /* no check by default */
 654 static int default_check_reset(struct target *target)
 655 {
 656         return ERROR_OK;
 657 }
 658
 659 int target_examine_one(struct target *target)
 660 {
 661         return target->type->examine(target);
 662 }
 663
 664 static int jtag_enable_callback(enum jtag_event event, void *priv)
 665 {
 666         struct target *target = priv;
 667
 668         if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
 669                 return ERROR_OK;
 670
 671         jtag_unregister_event_callback(jtag_enable_callback, target);
 672
 673         target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_START);
 674
 675         int retval = target_examine_one(target);
 676         if (retval != ERROR_OK)
 677                 return retval;
 678
 679         target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);
 680
 681         return retval;
 682 }
 683
 684 /* Targets that correctly implement init + examine, i.e.
 685  * no communication with target during init:
 686  *
 687  * XScale
 688  */
 689 int target_examine(void)
 690 {
 691         int retval = ERROR_OK;
 692         struct target *target;
 693
 694         for (target = all_targets; target; target = target->next) {
 695                 /* defer examination, but don't skip it */
 696                 if (!target->tap->enabled) {
 697                         jtag_register_event_callback(jtag_enable_callback,
 698                                         target);
 699                         continue;
 700                 }
 701
 702                 target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_START);
 703
 704                 retval = target_examine_one(target);
 705                 if (retval != ERROR_OK)
 706                         return retval;
 707
 708                 target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);
 709         }
 710         return retval;
 711 }
 712
 713 const char *target_type_name(struct target *target)
 714 {
 715         return target->type->name;
 716 }
 717
 718 static int target_soft_reset_halt(struct target *target)
 719 {
 720         if (!target_was_examined(target)) {
 721                 LOG_ERROR("Target not examined yet");
 722                 return ERROR_FAIL;
 723         }
 724         if (!target->type->soft_reset_halt) {
 725                 LOG_ERROR("Target %s does not support soft_reset_halt",
 726                                 target_name(target));
 727                 return ERROR_FAIL;
 728         }
 729         return target->type->soft_reset_halt(target);
 730 }
 731
 732 /**
 733  * Downloads a target-specific native code algorithm to the target,
 734  * and executes it.  * Note that some targets may need to set up, enable,
 735  * and tear down a breakpoint (hard or * soft) to detect algorithm
 736  * termination, while others may support  lower overhead schemes where
 737  * soft breakpoints embedded in the algorithm automatically terminate the
 738  * algorithm.
 739  *
 740  * @param target used to run the algorithm
 741  * @param arch_info target-specific description of the algorithm.
 742  */
 743 int target_run_algorithm(struct target *target,
 744                 int num_mem_params, struct mem_param *mem_params,
 745                 int num_reg_params, struct reg_param *reg_param,
 746                 uint32_t entry_point, uint32_t exit_point,
 747                 int timeout_ms, void *arch_info)
 748 {
 749         int retval = ERROR_FAIL;
 750
 751         if (!target_was_examined(target)) {
 752                 LOG_ERROR("Target not examined yet");
 753                 goto done;
 754         }
 755         if (!target->type->run_algorithm) {
 756                 LOG_ERROR("Target type '%s' does not support %s",
 757                                 target_type_name(target), __func__);
 758                 goto done;
 759         }
 760
 761         target->running_alg = true;
 762         retval = target->type->run_algorithm(target,
 763                         num_mem_params, mem_params,
 764                         num_reg_params, reg_param,
 765                         entry_point, exit_point, timeout_ms, arch_info);
 766         target->running_alg = false;
 767
 768 done:
 769         return retval;
 770 }
 771
 772 /**
 773  * Downloads a target-specific native code algorithm to the target,
 774  * executes and leaves it running.
 775  *
 776  * @param target used to run the algorithm
 777  * @param arch_info target-specific description of the algorithm.
 778  */
 779 int target_start_algorithm(struct target *target,
 780                 int num_mem_params, struct mem_param *mem_params,
 781                 int num_reg_params, struct reg_param *reg_params,
 782                 uint32_t entry_point, uint32_t exit_point,
 783                 void *arch_info)
 784 {
 785         int retval = ERROR_FAIL;
 786
 787         if (!target_was_examined(target)) {
 788                 LOG_ERROR("Target not examined yet");
 789                 goto done;
 790         }
 791         if (!target->type->start_algorithm) {
 792                 LOG_ERROR("Target type '%s' does not support %s",
 793                                 target_type_name(target), __func__);
 794                 goto done;
 795         }
 796         if (target->running_alg) {
 797                 LOG_ERROR("Target is already running an algorithm");
 798                 goto done;
 799         }
 800
 801         target->running_alg = true;
 802         retval = target->type->start_algorithm(target,
 803                         num_mem_params, mem_params,
 804                         num_reg_params, reg_params,
 805                         entry_point, exit_point, arch_info);
 806
 807 done:
 808         return retval;
 809 }
 810
 811 /**
 812  * Waits for an algorithm started with target_start_algorithm() to complete.
 813  *
 814  * @param target used to run the algorithm
 815  * @param arch_info target-specific description of the algorithm.
 816  */
 817 int target_wait_algorithm(struct target *target,
 818                 int num_mem_params, struct mem_param *mem_params,
 819                 int num_reg_params, struct reg_param *reg_params,
 820                 uint32_t exit_point, int timeout_ms,
 821                 void *arch_info)
 822 {
 823         int retval = ERROR_FAIL;
 824
 825         if (!target->type->wait_algorithm) {
 826                 LOG_ERROR("Target type '%s' does not support %s",
 827                                 target_type_name(target), __func__);
 828                 goto done;
 829         }
 830         if (!target->running_alg) {
 831                 LOG_ERROR("Target is not running an algorithm");
 832                 goto done;
 833         }
 834
 835         retval = target->type->wait_algorithm(target,
 836                         num_mem_params, mem_params,
 837                         num_reg_params, reg_params,
 838                         exit_point, timeout_ms, arch_info);
 839         if (retval != ERROR_TARGET_TIMEOUT)
 840                 target->running_alg = false;
 841
 842 done:
 843         return retval;
 844 }
 845
 846 /**
 847  * Executes a target-specific native code algorithm in the target.
 848  * It differs from target_run_algorithm in that the algorithm is asynchronous.
 849  * Because of this it requires an compliant algorithm:
 850  * see contrib/loaders/flash/stm32f1x.S for example.
 851  *
 852  * @param target used to run the algorithm
 853  */
 854
 855 int target_run_flash_async_algorithm(struct target *target,
 856                 uint8_t *buffer, uint32_t count, int block_size,
 857                 int num_mem_params, struct mem_param *mem_params,
 858                 int num_reg_params, struct reg_param *reg_params,
 859                 uint32_t buffer_start, uint32_t buffer_size,
 860                 uint32_t entry_point, uint32_t exit_point, void *arch_info)
 861 {
 862         int retval;
 863         int timeout = 0;
 864
 865         /* Set up working area. First word is write pointer, second word is read pointer,
 866          * rest is fifo data area. */
 867         uint32_t wp_addr = buffer_start;
 868         uint32_t rp_addr = buffer_start + 4;
 869         uint32_t fifo_start_addr = buffer_start + 8;
 870         uint32_t fifo_end_addr = buffer_start + buffer_size;
 871
 872         uint32_t wp = fifo_start_addr;
 873         uint32_t rp = fifo_start_addr;
 874
 875         /* validate block_size is 2^n */
 876         assert(!block_size || !(block_size & (block_size - 1)));
 877
 878         retval = target_write_u32(target, wp_addr, wp);
 879         if (retval != ERROR_OK)
 880                 return retval;
 881         retval = target_write_u32(target, rp_addr, rp);
 882         if (retval != ERROR_OK)
 883                 return retval;
 884
 885         /* Start up algorithm on target and let it idle while writing the first chunk */
 886         retval = target_start_algorithm(target, num_mem_params, mem_params,
 887                         num_reg_params, reg_params,
 888                         entry_point,
 889                         exit_point,
 890                         arch_info);
 891
 892         if (retval != ERROR_OK) {
 893                 LOG_ERROR("error starting target flash write algorithm");
 894                 return retval;
 895         }
 896
 897         while (count > 0) {
 898
 899                 retval = target_read_u32(target, rp_addr, &rp);
 900                 if (retval != ERROR_OK) {
 901                         LOG_ERROR("failed to get read pointer");
 902                         break;
 903                 }
 904
 905                 LOG_DEBUG("count 0x%" PRIx32 " wp 0x%" PRIx32 " rp 0x%" PRIx32, count, wp, rp);
 906
 907                 if (rp == 0) {
 908                         LOG_ERROR("flash write algorithm aborted by target");
 909                         retval = ERROR_FLASH_OPERATION_FAILED;
 910                         break;
 911                 }
 912
 913                 if ((rp & (block_size - 1)) || rp < fifo_start_addr || rp >= fifo_end_addr) {
 914                         LOG_ERROR("corrupted fifo read pointer 0x%" PRIx32, rp);
 915                         break;
 916                 }
 917
 918                 /* Count the number of bytes available in the fifo without
 919                  * crossing the wrap around. Make sure to not fill it completely,
 920                  * because that would make wp == rp and that's the empty condition. */
 921                 uint32_t thisrun_bytes;
 922                 if (rp > wp)
 923                         thisrun_bytes = rp - wp - block_size;
 924                 else if (rp > fifo_start_addr)
 925                         thisrun_bytes = fifo_end_addr - wp;
 926                 else
 927                         thisrun_bytes = fifo_end_addr - wp - block_size;
 928
 929                 if (thisrun_bytes == 0) {
 930                         /* Throttle polling a bit if transfer is (much) faster than flash
 931                          * programming. The exact delay shouldn't matter as long as it's
 932                          * less than buffer size / flash speed. This is very unlikely to
 933                          * run when using high latency connections such as USB. */
 934                         alive_sleep(10);
 935
 936                         /* to stop an infinite loop on some targets check and increment a timeout
 937                          * this issue was observed on a stellaris using the new ICDI interface */
 938                         if (timeout++ >= 500) {
 939                                 LOG_ERROR("timeout waiting for algorithm, a target reset is recommended");
 940                                 return ERROR_FLASH_OPERATION_FAILED;
 941                         }
 942                         continue;
 943                 }
 944
 945                 /* reset our timeout */
 946                 timeout = 0;
 947
 948                 /* Limit to the amount of data we actually want to write */
 949                 if (thisrun_bytes > count * block_size)
 950                         thisrun_bytes = count * block_size;
 951
 952                 /* Write data to fifo */
 953                 retval = target_write_buffer(target, wp, thisrun_bytes, buffer);
 954                 if (retval != ERROR_OK)
 955                         break;
 956
 957                 /* Update counters and wrap write pointer */
 958                 buffer += thisrun_bytes;
 959                 count -= thisrun_bytes / block_size;
 960                 wp += thisrun_bytes;
 961                 if (wp >= fifo_end_addr)
 962                         wp = fifo_start_addr;
 963
 964                 /* Store updated write pointer to target */
 965                 retval = target_write_u32(target, wp_addr, wp);
 966                 if (retval != ERROR_OK)
 967                         break;
 968         }
 969
 970         if (retval != ERROR_OK) {
 971                 /* abort flash write algorithm on target */
 972                 target_write_u32(target, wp_addr, 0);
 973         }
 974
 975         int retval2 = target_wait_algorithm(target, num_mem_params, mem_params,
 976                         num_reg_params, reg_params,
 977                         exit_point,
 978                         10000,
 979                         arch_info);
 980
 981         if (retval2 != ERROR_OK) {
 982                 LOG_ERROR("error waiting for target flash write algorithm");
 983                 retval = retval2;
 984         }
 985
 986         return retval;
 987 }
 988
 989 int target_read_memory(struct target *target,
 990                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 991 {
 992         if (!target_was_examined(target)) {
 993                 LOG_ERROR("Target not examined yet");
 994                 return ERROR_FAIL;
 995         }
 996         return target->type->read_memory(target, address, size, count, buffer);
 997 }
 998
 999 int target_read_phys_memory(struct target *target,
1000                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
1001 {
1002         if (!target_was_examined(target)) {
1003                 LOG_ERROR("Target not examined yet");
1004                 return ERROR_FAIL;
1005         }
1006         return target->type->read_phys_memory(target, address, size, count, buffer);
1007 }
1008
1009 int target_write_memory(struct target *target,
1010                 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
1011 {
1012         if (!target_was_examined(target)) {
1013                 LOG_ERROR("Target not examined yet");
1014                 return ERROR_FAIL;
1015         }
1016         return target->type->write_memory(target, address, size, count, buffer);
1017 }
1018
1019 int target_write_phys_memory(struct target *target,
1020                 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
1021 {
1022         if (!target_was_examined(target)) {
1023                 LOG_ERROR("Target not examined yet");
1024                 return ERROR_FAIL;
1025         }
1026         return target->type->write_phys_memory(target, address, size, count, buffer);
1027 }
1028
1029 int target_add_breakpoint(struct target *target,
1030                 struct breakpoint *breakpoint)
1031 {
1032         if ((target->state != TARGET_HALTED) && (breakpoint->type != BKPT_HARD)) {
1033                 LOG_WARNING("target %s is not halted", target_name(target));
1034                 return ERROR_TARGET_NOT_HALTED;
1035         }
1036         return target->type->add_breakpoint(target, breakpoint);
1037 }
1038
1039 int target_add_context_breakpoint(struct target *target,
1040                 struct breakpoint *breakpoint)
1041 {
1042         if (target->state != TARGET_HALTED) {
1043                 LOG_WARNING("target %s is not halted", target_name(target));
1044                 return ERROR_TARGET_NOT_HALTED;
1045         }
1046         return target->type->add_context_breakpoint(target, breakpoint);
1047 }
1048
1049 int target_add_hybrid_breakpoint(struct target *target,
1050                 struct breakpoint *breakpoint)
1051 {
1052         if (target->state != TARGET_HALTED) {
1053                 LOG_WARNING("target %s is not halted", target_name(target));
1054                 return ERROR_TARGET_NOT_HALTED;
1055         }
1056         return target->type->add_hybrid_breakpoint(target, breakpoint);
1057 }
1058
1059 int target_remove_breakpoint(struct target *target,
1060                 struct breakpoint *breakpoint)
1061 {
1062         return target->type->remove_breakpoint(target, breakpoint);
1063 }
1064
1065 int target_add_watchpoint(struct target *target,
1066                 struct watchpoint *watchpoint)
1067 {
1068         if (target->state != TARGET_HALTED) {
1069                 LOG_WARNING("target %s is not halted", target_name(target));
1070                 return ERROR_TARGET_NOT_HALTED;
1071         }
1072         return target->type->add_watchpoint(target, watchpoint);
1073 }
1074 int target_remove_watchpoint(struct target *target,
1075                 struct watchpoint *watchpoint)
1076 {
1077         return target->type->remove_watchpoint(target, watchpoint);
1078 }
1079 int target_hit_watchpoint(struct target *target,
1080                 struct watchpoint **hit_watchpoint)
1081 {
1082         if (target->state != TARGET_HALTED) {
1083                 LOG_WARNING("target %s is not halted", target->cmd_name);
1084                 return ERROR_TARGET_NOT_HALTED;
1085         }
1086
1087         if (target->type->hit_watchpoint == NULL) {
1088                 /* For backward compatible, if hit_watchpoint is not implemented,
1089                  * return ERROR_FAIL such that gdb_server will not take the nonsense
1090                  * information. */
1091                 return ERROR_FAIL;
1092         }
1093
1094         return target->type->hit_watchpoint(target, hit_watchpoint);
1095 }
1096
1097 int target_get_gdb_reg_list(struct target *target,
1098                 struct reg **reg_list[], int *reg_list_size,
1099                 enum target_register_class reg_class)
1100 {
1101         return target->type->get_gdb_reg_list(target, reg_list, reg_list_size, reg_class);
1102 }
1103 int target_step(struct target *target,
1104                 int current, uint32_t address, int handle_breakpoints)
1105 {
1106         return target->type->step(target, current, address, handle_breakpoints);
1107 }
1108
1109 int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fileio_info)
1110 {
1111         if (target->state != TARGET_HALTED) {
1112                 LOG_WARNING("target %s is not halted", target->cmd_name);
1113                 return ERROR_TARGET_NOT_HALTED;
1114         }
1115         return target->type->get_gdb_fileio_info(target, fileio_info);
1116 }
1117
1118 int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, bool ctrl_c)
1119 {
1120         if (target->state != TARGET_HALTED) {
1121                 LOG_WARNING("target %s is not halted", target->cmd_name);
1122                 return ERROR_TARGET_NOT_HALTED;
1123         }
1124         return target->type->gdb_fileio_end(target, retcode, fileio_errno, ctrl_c);
1125 }
1126
1127 int target_profiling(struct target *target, uint32_t *samples,
1128                         uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
1129 {
1130         if (target->state != TARGET_HALTED) {
1131                 LOG_WARNING("target %s is not halted", target->cmd_name);
1132                 return ERROR_TARGET_NOT_HALTED;
1133         }
1134         return target->type->profiling(target, samples, max_num_samples,
1135                         num_samples, seconds);
1136 }
1137
1138 /**
1139  * Reset the @c examined flag for the given target.
1140  * Pure paranoia -- targets are zeroed on allocation.
1141  */
1142 static void target_reset_examined(struct target *target)
1143 {
1144         target->examined = false;
1145 }
1146
1147 static int err_read_phys_memory(struct target *target, uint32_t address,
1148                 uint32_t size, uint32_t count, uint8_t *buffer)
1149 {
1150         LOG_ERROR("Not implemented: %s", __func__);
1151         return ERROR_FAIL;
1152 }
1153
1154 static int err_write_phys_memory(struct target *target, uint32_t address,
1155                 uint32_t size, uint32_t count, const uint8_t *buffer)
1156 {
1157         LOG_ERROR("Not implemented: %s", __func__);
1158         return ERROR_FAIL;
1159 }
1160
1161 static int handle_target(void *priv);
1162
1163 static int target_init_one(struct command_context *cmd_ctx,
1164                 struct target *target)
1165 {
1166         target_reset_examined(target);
1167
1168         struct target_type *type = target->type;
1169         if (type->examine == NULL)
1170                 type->examine = default_examine;
1171
1172         if (type->check_reset == NULL)
1173                 type->check_reset = default_check_reset;
1174
1175         assert(type->init_target != NULL);
1176
1177         int retval = type->init_target(cmd_ctx, target);
1178         if (ERROR_OK != retval) {
1179                 LOG_ERROR("target '%s' init failed", target_name(target));
1180                 return retval;
1181         }
1182
1183         /* Sanity-check MMU support ... stub in what we must, to help
1184          * implement it in stages, but warn if we need to do so.
1185          */
1186         if (type->mmu) {
1187                 if (type->write_phys_memory == NULL) {
1188                         LOG_ERROR("type '%s' is missing write_phys_memory",
1189                                         type->name);
1190                         type->write_phys_memory = err_write_phys_memory;
1191                 }
1192                 if (type->read_phys_memory == NULL) {
1193                         LOG_ERROR("type '%s' is missing read_phys_memory",
1194                                         type->name);
1195                         type->read_phys_memory = err_read_phys_memory;
1196                 }
1197                 if (type->virt2phys == NULL) {
1198                         LOG_ERROR("type '%s' is missing virt2phys", type->name);
1199                         type->virt2phys = identity_virt2phys;
1200                 }
1201         } else {
1202                 /* Make sure no-MMU targets all behave the same:  make no
1203                  * distinction between physical and virtual addresses, and
1204                  * ensure that virt2phys() is always an identity mapping.
1205                  */
1206                 if (type->write_phys_memory || type->read_phys_memory || type->virt2phys)
1207                         LOG_WARNING("type '%s' has bad MMU hooks", type->name);
1208
1209                 type->mmu = no_mmu;
1210                 type->write_phys_memory = type->write_memory;
1211                 type->read_phys_memory = type->read_memory;
1212                 type->virt2phys = identity_virt2phys;
1213         }
1214
1215         if (target->type->read_buffer == NULL)
1216                 target->type->read_buffer = target_read_buffer_default;
1217
1218         if (target->type->write_buffer == NULL)
1219                 target->type->write_buffer = target_write_buffer_default;
1220
1221         if (target->type->get_gdb_fileio_info == NULL)
1222                 target->type->get_gdb_fileio_info = target_get_gdb_fileio_info_default;
1223
1224         if (target->type->gdb_fileio_end == NULL)
1225                 target->type->gdb_fileio_end = target_gdb_fileio_end_default;
1226
1227         if (target->type->profiling == NULL)
1228                 target->type->profiling = target_profiling_default;
1229
1230         return ERROR_OK;
1231 }
1232
1233 static int target_init(struct command_context *cmd_ctx)
1234 {
1235         struct target *target;
1236         int retval;
1237
1238         for (target = all_targets; target; target = target->next) {
1239                 retval = target_init_one(cmd_ctx, target);
1240                 if (ERROR_OK != retval)
1241                         return retval;
1242         }
1243
1244         if (!all_targets)
1245                 return ERROR_OK;
1246
1247         retval = target_register_user_commands(cmd_ctx);
1248         if (ERROR_OK != retval)
1249                 return retval;
1250
1251         retval = target_register_timer_callback(&handle_target,
1252                         polling_interval, 1, cmd_ctx->interp);
1253         if (ERROR_OK != retval)
1254                 return retval;
1255
1256         return ERROR_OK;
1257 }
1258
1259 COMMAND_HANDLER(handle_target_init_command)
1260 {
1261         int retval;
1262
1263         if (CMD_ARGC != 0)
1264                 return ERROR_COMMAND_SYNTAX_ERROR;
1265
1266         static bool target_initialized;
1267         if (target_initialized) {
1268                 LOG_INFO("'target init' has already been called");
1269                 return ERROR_OK;
1270         }
1271         target_initialized = true;
1272
1273         retval = command_run_line(CMD_CTX, "init_targets");
1274         if (ERROR_OK != retval)
1275                 return retval;
1276
1277         retval = command_run_line(CMD_CTX, "init_board");
1278         if (ERROR_OK != retval)
1279                 return retval;
1280
1281         LOG_DEBUG("Initializing targets...");
1282         return target_init(CMD_CTX);
1283 }
1284
1285 int target_register_event_callback(int (*callback)(struct target *target,
1286                 enum target_event event, void *priv), void *priv)
1287 {
1288         struct target_event_callback **callbacks_p = &target_event_callbacks;
1289
1290         if (callback == NULL)
1291                 return ERROR_COMMAND_SYNTAX_ERROR;
1292
1293         if (*callbacks_p) {
1294                 while ((*callbacks_p)->next)
1295                         callbacks_p = &((*callbacks_p)->next);
1296                 callbacks_p = &((*callbacks_p)->next);
1297         }
1298
1299         (*callbacks_p) = malloc(sizeof(struct target_event_callback));
1300         (*callbacks_p)->callback = callback;
1301         (*callbacks_p)->priv = priv;
1302         (*callbacks_p)->next = NULL;
1303
1304         return ERROR_OK;
1305 }
1306
1307 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
1308 {
1309         struct target_timer_callback **callbacks_p = &target_timer_callbacks;
1310         struct timeval now;
1311
1312         if (callback == NULL)
1313                 return ERROR_COMMAND_SYNTAX_ERROR;
1314
1315         if (*callbacks_p) {
1316                 while ((*callbacks_p)->next)
1317                         callbacks_p = &((*callbacks_p)->next);
1318                 callbacks_p = &((*callbacks_p)->next);
1319         }
1320
1321         (*callbacks_p) = malloc(sizeof(struct target_timer_callback));
1322         (*callbacks_p)->callback = callback;
1323         (*callbacks_p)->periodic = periodic;
1324         (*callbacks_p)->time_ms = time_ms;
1325
1326         gettimeofday(&now, NULL);
1327         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
1328         time_ms -= (time_ms % 1000);
1329         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
1330         if ((*callbacks_p)->when.tv_usec > 1000000) {
1331                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
1332                 (*callbacks_p)->when.tv_sec += 1;
1333         }
1334
1335         (*callbacks_p)->priv = priv;
1336         (*callbacks_p)->next = NULL;
1337
1338         return ERROR_OK;
1339 }
1340
1341 int target_unregister_event_callback(int (*callback)(struct target *target,
1342                 enum target_event event, void *priv), void *priv)
1343 {
1344         struct target_event_callback **p = &target_event_callbacks;
1345         struct target_event_callback *c = target_event_callbacks;
1346
1347         if (callback == NULL)
1348                 return ERROR_COMMAND_SYNTAX_ERROR;
1349
1350         while (c) {
1351                 struct target_event_callback *next = c->next;
1352                 if ((c->callback == callback) && (c->priv == priv)) {
1353                         *p = next;
1354                         free(c);
1355                         return ERROR_OK;
1356                 } else
1357                         p = &(c->next);
1358                 c = next;
1359         }
1360
1361         return ERROR_OK;
1362 }
1363
1364 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
1365 {
1366         struct target_timer_callback **p = &target_timer_callbacks;
1367         struct target_timer_callback *c = target_timer_callbacks;
1368
1369         if (callback == NULL)
1370                 return ERROR_COMMAND_SYNTAX_ERROR;
1371
1372         while (c) {
1373                 struct target_timer_callback *next = c->next;
1374                 if ((c->callback == callback) && (c->priv == priv)) {
1375                         *p = next;
1376                         free(c);
1377                         return ERROR_OK;
1378                 } else
1379                         p = &(c->next);
1380                 c = next;
1381         }
1382
1383         return ERROR_OK;
1384 }
1385
1386 int target_call_event_callbacks(struct target *target, enum target_event event)
1387 {
1388         struct target_event_callback *callback = target_event_callbacks;
1389         struct target_event_callback *next_callback;
1390
1391         if (event == TARGET_EVENT_HALTED) {
1392                 /* execute early halted first */
1393                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1394         }
1395
1396         LOG_DEBUG("target event %i (%s)", event,
1397                         Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
1398
1399         target_handle_event(target, event);
1400
1401         while (callback) {
1402                 next_callback = callback->next;
1403                 callback->callback(target, event, callback->priv);
1404                 callback = next_callback;
1405         }
1406
1407         return ERROR_OK;
1408 }
1409
1410 static int target_timer_callback_periodic_restart(
1411                 struct target_timer_callback *cb, struct timeval *now)
1412 {
1413         int time_ms = cb->time_ms;
1414         cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
1415         time_ms -= (time_ms % 1000);
1416         cb->when.tv_sec = now->tv_sec + time_ms / 1000;
1417         if (cb->when.tv_usec > 1000000) {
1418                 cb->when.tv_usec = cb->when.tv_usec - 1000000;
1419                 cb->when.tv_sec += 1;
1420         }
1421         return ERROR_OK;
1422 }
1423
1424 static int target_call_timer_callback(struct target_timer_callback *cb,
1425                 struct timeval *now)
1426 {
1427         cb->callback(cb->priv);
1428
1429         if (cb->periodic)
1430                 return target_timer_callback_periodic_restart(cb, now);
1431
1432         return target_unregister_timer_callback(cb->callback, cb->priv);
1433 }
1434
1435 static int target_call_timer_callbacks_check_time(int checktime)
1436 {
1437         keep_alive();
1438
1439         struct timeval now;
1440         gettimeofday(&now, NULL);
1441
1442         struct target_timer_callback *callback = target_timer_callbacks;
1443         while (callback) {
1444                 /* cleaning up may unregister and free this callback */
1445                 struct target_timer_callback *next_callback = callback->next;
1446
1447                 bool call_it = callback->callback &&
1448                         ((!checktime && callback->periodic) ||
1449                           now.tv_sec > callback->when.tv_sec ||
1450                          (now.tv_sec == callback->when.tv_sec &&
1451                           now.tv_usec >= callback->when.tv_usec));
1452
1453                 if (call_it) {
1454                         int retval = target_call_timer_callback(callback, &now);
1455                         if (retval != ERROR_OK)
1456                                 return retval;
1457                 }
1458
1459                 callback = next_callback;
1460         }
1461
1462         return ERROR_OK;
1463 }
1464
1465 int target_call_timer_callbacks(void)
1466 {
1467         return target_call_timer_callbacks_check_time(1);
1468 }
1469
1470 /* invoke periodic callbacks immediately */
1471 int target_call_timer_callbacks_now(void)
1472 {
1473         return target_call_timer_callbacks_check_time(0);
1474 }
1475
1476 /* Prints the working area layout for debug purposes */
1477 static void print_wa_layout(struct target *target)
1478 {
1479         struct working_area *c = target->working_areas;
1480
1481         while (c) {
1482                 LOG_DEBUG("%c%c 0x%08"PRIx32"-0x%08"PRIx32" (%"PRIu32" bytes)",
1483                         c->backup ? 'b' : ' ', c->free ? ' ' : '*',
1484                         c->address, c->address + c->size - 1, c->size);
1485                 c = c->next;
1486         }
1487 }
1488
1489 /* Reduce area to size bytes, create a new free area from the remaining bytes, if any. */
1490 static void target_split_working_area(struct working_area *area, uint32_t size)
1491 {
1492         assert(area->free); /* Shouldn't split an allocated area */
1493         assert(size <= area->size); /* Caller should guarantee this */
1494
1495         /* Split only if not already the right size */
1496         if (size < area->size) {
1497                 struct working_area *new_wa = malloc(sizeof(*new_wa));
1498
1499                 if (new_wa == NULL)
1500                         return;
1501
1502                 new_wa->next = area->next;
1503                 new_wa->size = area->size - size;
1504                 new_wa->address = area->address + size;
1505                 new_wa->backup = NULL;
1506                 new_wa->user = NULL;
1507                 new_wa->free = true;
1508
1509                 area->next = new_wa;
1510                 area->size = size;
1511
1512                 /* If backup memory was allocated to this area, it has the wrong size
1513                  * now so free it and it will be reallocated if/when needed */
1514                 if (area->backup) {
1515                         free(area->backup);
1516                         area->backup = NULL;
1517                 }
1518         }
1519 }
1520
1521 /* Merge all adjacent free areas into one */
1522 static void target_merge_working_areas(struct target *target)
1523 {
1524         struct working_area *c = target->working_areas;
1525
1526         while (c && c->next) {
1527                 assert(c->next->address == c->address + c->size); /* This is an invariant */
1528
1529                 /* Find two adjacent free areas */
1530                 if (c->free && c->next->free) {
1531                         /* Merge the last into the first */
1532                         c->size += c->next->size;
1533
1534                         /* Remove the last */
1535                         struct working_area *to_be_freed = c->next;
1536                         c->next = c->next->next;
1537                         if (to_be_freed->backup)
1538                                 free(to_be_freed->backup);
1539                         free(to_be_freed);
1540
1541                         /* If backup memory was allocated to the remaining area, it's has
1542                          * the wrong size now */
1543                         if (c->backup) {
1544                                 free(c->backup);
1545                                 c->backup = NULL;
1546                         }
1547                 } else {
1548                         c = c->next;
1549                 }
1550         }
1551 }
1552
1553 int target_alloc_working_area_try(struct target *target, uint32_t size, struct working_area **area)
1554 {
1555         /* Reevaluate working area address based on MMU state*/
1556         if (target->working_areas == NULL) {
1557                 int retval;
1558                 int enabled;
1559
1560                 retval = target->type->mmu(target, &enabled);
1561                 if (retval != ERROR_OK)
1562                         return retval;
1563
1564                 if (!enabled) {
1565                         if (target->working_area_phys_spec) {
1566                                 LOG_DEBUG("MMU disabled, using physical "
1567                                         "address for working memory 0x%08"PRIx32,
1568                                         target->working_area_phys);
1569                                 target->working_area = target->working_area_phys;
1570                         } else {
1571                                 LOG_ERROR("No working memory available. "
1572                                         "Specify -work-area-phys to target.");
1573                                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1574                         }
1575                 } else {
1576                         if (target->working_area_virt_spec) {
1577                                 LOG_DEBUG("MMU enabled, using virtual "
1578                                         "address for working memory 0x%08"PRIx32,
1579                                         target->working_area_virt);
1580                                 target->working_area = target->working_area_virt;
1581                         } else {
1582                                 LOG_ERROR("No working memory available. "
1583                                         "Specify -work-area-virt to target.");
1584                                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1585                         }
1586                 }
1587
1588                 /* Set up initial working area on first call */
1589                 struct working_area *new_wa = malloc(sizeof(*new_wa));
1590                 if (new_wa) {
1591                         new_wa->next = NULL;
1592                         new_wa->size = target->working_area_size & ~3UL; /* 4-byte align */
1593                         new_wa->address = target->working_area;
1594                         new_wa->backup = NULL;
1595                         new_wa->user = NULL;
1596                         new_wa->free = true;
1597                 }
1598
1599                 target->working_areas = new_wa;
1600         }
1601
1602         /* only allocate multiples of 4 byte */
1603         if (size % 4)
1604                 size = (size + 3) & (~3UL);
1605
1606         struct working_area *c = target->working_areas;
1607
1608         /* Find the first large enough working area */
1609         while (c) {
1610                 if (c->free && c->size >= size)
1611                         break;
1612                 c = c->next;
1613         }
1614
1615         if (c == NULL)
1616                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1617
1618         /* Split the working area into the requested size */
1619         target_split_working_area(c, size);
1620
1621         LOG_DEBUG("allocated new working area of %"PRIu32" bytes at address 0x%08"PRIx32, size, c->address);
1622
1623         if (target->backup_working_area) {
1624                 if (c->backup == NULL) {
1625                         c->backup = malloc(c->size);
1626                         if (c->backup == NULL)
1627                                 return ERROR_FAIL;
1628                 }
1629
1630                 int retval = target_read_memory(target, c->address, 4, c->size / 4, c->backup);
1631                 if (retval != ERROR_OK)
1632                         return retval;
1633         }
1634
1635         /* mark as used, and return the new (reused) area */
1636         c->free = false;
1637         *area = c;
1638
1639         /* user pointer */
1640         c->user = area;
1641
1642         print_wa_layout(target);
1643
1644         return ERROR_OK;
1645 }
1646
1647 int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
1648 {
1649         int retval;
1650
1651         retval = target_alloc_working_area_try(target, size, area);
1652         if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1653                 LOG_WARNING("not enough working area available(requested %"PRIu32")", size);
1654         return retval;
1655
1656 }
1657
1658 static int target_restore_working_area(struct target *target, struct working_area *area)
1659 {
1660         int retval = ERROR_OK;
1661
1662         if (target->backup_working_area && area->backup != NULL) {
1663                 retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup);
1664                 if (retval != ERROR_OK)
1665                         LOG_ERROR("failed to restore %"PRIu32" bytes of working area at address 0x%08"PRIx32,
1666                                         area->size, area->address);
1667         }
1668
1669         return retval;
1670 }
1671
1672 /* Restore the area's backup memory, if any, and return the area to the allocation pool */
1673 static int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
1674 {
1675         int retval = ERROR_OK;
1676
1677         if (area->free)
1678                 return retval;
1679
1680         if (restore) {
1681                 retval = target_restore_working_area(target, area);
1682                 /* REVISIT: Perhaps the area should be freed even if restoring fails. */
1683                 if (retval != ERROR_OK)
1684                         return retval;
1685         }
1686
1687         area->free = true;
1688
1689         LOG_DEBUG("freed %"PRIu32" bytes of working area at address 0x%08"PRIx32,
1690                         area->size, area->address);
1691
1692         /* mark user pointer invalid */
1693         /* TODO: Is this really safe? It points to some previous caller's memory.
1694          * How could we know that the area pointer is still in that place and not
1695          * some other vital data? What's the purpose of this, anyway? */
1696         *area->user = NULL;
1697         area->user = NULL;
1698
1699         target_merge_working_areas(target);
1700
1701         print_wa_layout(target);
1702
1703         return retval;
1704 }
1705
1706 int target_free_working_area(struct target *target, struct working_area *area)
1707 {
1708         return target_free_working_area_restore(target, area, 1);
1709 }
1710
1711 /* free resources and restore memory, if restoring memory fails,
1712  * free up resources anyway
1713  */
1714 static void target_free_all_working_areas_restore(struct target *target, int restore)
1715 {
1716         struct working_area *c = target->working_areas;
1717
1718         LOG_DEBUG("freeing all working areas");
1719
1720         /* Loop through all areas, restoring the allocated ones and marking them as free */
1721         while (c) {
1722                 if (!c->free) {
1723                         if (restore)
1724                                 target_restore_working_area(target, c);
1725                         c->free = true;
1726                         *c->user = NULL; /* Same as above */
1727                         c->user = NULL;
1728                 }
1729                 c = c->next;
1730         }
1731
1732         /* Run a merge pass to combine all areas into one */
1733         target_merge_working_areas(target);
1734
1735         print_wa_layout(target);
1736 }
1737
1738 void target_free_all_working_areas(struct target *target)
1739 {
1740         target_free_all_working_areas_restore(target, 1);
1741 }
1742
1743 /* Find the largest number of bytes that can be allocated */
1744 uint32_t target_get_working_area_avail(struct target *target)
1745 {
1746         struct working_area *c = target->working_areas;
1747         uint32_t max_size = 0;
1748
1749         if (c == NULL)
1750                 return target->working_area_size;
1751
1752         while (c) {
1753                 if (c->free && max_size < c->size)
1754                         max_size = c->size;
1755
1756                 c = c->next;
1757         }
1758
1759         return max_size;
1760 }
1761
1762 int target_arch_state(struct target *target)
1763 {
1764         int retval;
1765         if (target == NULL) {
1766                 LOG_USER("No target has been configured");
1767                 return ERROR_OK;
1768         }
1769
1770         LOG_USER("target state: %s", target_state_name(target));
1771
1772         if (target->state != TARGET_HALTED)
1773                 return ERROR_OK;
1774
1775         retval = target->type->arch_state(target);
1776         return retval;
1777 }
1778
1779 static int target_get_gdb_fileio_info_default(struct target *target,
1780                 struct gdb_fileio_info *fileio_info)
1781 {
1782         /* If target does not support semi-hosting function, target
1783            has no need to provide .get_gdb_fileio_info callback.
1784            It just return ERROR_FAIL and gdb_server will return "Txx"
1785            as target halted every time.  */
1786         return ERROR_FAIL;
1787 }
1788
1789 static int target_gdb_fileio_end_default(struct target *target,
1790                 int retcode, int fileio_errno, bool ctrl_c)
1791 {
1792         return ERROR_OK;
1793 }
1794
1795 static int target_profiling_default(struct target *target, uint32_t *samples,
1796                 uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
1797 {
1798         struct timeval timeout, now;
1799
1800         gettimeofday(&timeout, NULL);
1801         timeval_add_time(&timeout, seconds, 0);
1802
1803         LOG_INFO("Starting profiling. Halting and resuming the"
1804                         " target as often as we can...");
1805
1806         uint32_t sample_count = 0;
1807         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
1808         struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1);
1809
1810         int retval = ERROR_OK;
1811         for (;;) {
1812                 target_poll(target);
1813                 if (target->state == TARGET_HALTED) {
1814                         uint32_t t = *((uint32_t *)reg->value);
1815                         samples[sample_count++] = t;
1816                         /* current pc, addr = 0, do not handle breakpoints, not debugging */
1817                         retval = target_resume(target, 1, 0, 0, 0);
1818                         target_poll(target);
1819                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
1820                 } else if (target->state == TARGET_RUNNING) {
1821                         /* We want to quickly sample the PC. */
1822                         retval = target_halt(target);
1823                 } else {
1824                         LOG_INFO("Target not halted or running");
1825                         retval = ERROR_OK;
1826                         break;
1827                 }
1828
1829                 if (retval != ERROR_OK)
1830                         break;
1831
1832                 gettimeofday(&now, NULL);
1833                 if ((sample_count >= max_num_samples) ||
1834                         ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))) {
1835                         LOG_INFO("Profiling completed. %" PRIu32 " samples.", sample_count);
1836                         break;
1837                 }
1838         }
1839
1840         *num_samples = sample_count;
1841         return retval;
1842 }
1843
1844 /* Single aligned words are guaranteed to use 16 or 32 bit access
1845  * mode respectively, otherwise data is handled as quickly as
1846  * possible
1847  */
1848 int target_write_buffer(struct target *target, uint32_t address, uint32_t size, const uint8_t *buffer)
1849 {
1850         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1851                         (int)size, (unsigned)address);
1852
1853         if (!target_was_examined(target)) {
1854                 LOG_ERROR("Target not examined yet");
1855                 return ERROR_FAIL;
1856         }
1857
1858         if (size == 0)
1859                 return ERROR_OK;
1860
1861         if ((address + size - 1) < address) {
1862                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1863                 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1864                                   (unsigned)address,
1865                                   (unsigned)size);
1866                 return ERROR_FAIL;
1867         }
1868
1869         return target->type->write_buffer(target, address, size, buffer);
1870 }
1871
1872 static int target_write_buffer_default(struct target *target, uint32_t address, uint32_t count, const uint8_t *buffer)
1873 {
1874         uint32_t size;
1875
1876         /* Align up to maximum 4 bytes. The loop condition makes sure the next pass
1877          * will have something to do with the size we leave to it. */
1878         for (size = 1; size < 4 && count >= size * 2 + (address & size); size *= 2) {
1879                 if (address & size) {
1880                         int retval = target_write_memory(target, address, size, 1, buffer);
1881                         if (retval != ERROR_OK)
1882                                 return retval;
1883                         address += size;
1884                         count -= size;
1885                         buffer += size;
1886                 }
1887         }
1888
1889         /* Write the data with as large access size as possible. */
1890         for (; size > 0; size /= 2) {
1891                 uint32_t aligned = count - count % size;
1892                 if (aligned > 0) {
1893                         int retval = target_write_memory(target, address, size, aligned / size, buffer);
1894                         if (retval != ERROR_OK)
1895                                 return retval;
1896                         address += aligned;
1897                         count -= aligned;
1898                         buffer += aligned;
1899                 }
1900         }
1901
1902         return ERROR_OK;
1903 }
1904
1905 /* Single aligned words are guaranteed to use 16 or 32 bit access
1906  * mode respectively, otherwise data is handled as quickly as
1907  * possible
1908  */
1909 int target_read_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1910 {
1911         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1912                           (int)size, (unsigned)address);
1913
1914         if (!target_was_examined(target)) {
1915                 LOG_ERROR("Target not examined yet");
1916                 return ERROR_FAIL;
1917         }
1918
1919         if (size == 0)
1920                 return ERROR_OK;
1921
1922         if ((address + size - 1) < address) {
1923                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1924                 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1925                                   address,
1926                                   size);
1927                 return ERROR_FAIL;
1928         }
1929
1930         return target->type->read_buffer(target, address, size, buffer);
1931 }
1932
1933 static int target_read_buffer_default(struct target *target, uint32_t address, uint32_t count, uint8_t *buffer)
1934 {
1935         uint32_t size;
1936
1937         /* Align up to maximum 4 bytes. The loop condition makes sure the next pass
1938          * will have something to do with the size we leave to it. */
1939         for (size = 1; size < 4 && count >= size * 2 + (address & size); size *= 2) {
1940                 if (address & size) {
1941                         int retval = target_read_memory(target, address, size, 1, buffer);
1942                         if (retval != ERROR_OK)
1943                                 return retval;
1944                         address += size;
1945                         count -= size;
1946                         buffer += size;
1947                 }
1948         }
1949
1950         /* Read the data with as large access size as possible. */
1951         for (; size > 0; size /= 2) {
1952                 uint32_t aligned = count - count % size;
1953                 if (aligned > 0) {
1954                         int retval = target_read_memory(target, address, size, aligned / size, buffer);
1955                         if (retval != ERROR_OK)
1956                                 return retval;
1957                         address += aligned;
1958                         count -= aligned;
1959                         buffer += aligned;
1960                 }
1961         }
1962
1963         return ERROR_OK;
1964 }
1965
1966 int target_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* crc)
1967 {
1968         uint8_t *buffer;
1969         int retval;
1970         uint32_t i;
1971         uint32_t checksum = 0;
1972         if (!target_was_examined(target)) {
1973                 LOG_ERROR("Target not examined yet");
1974                 return ERROR_FAIL;
1975         }
1976
1977         retval = target->type->checksum_memory(target, address, size, &checksum);
1978         if (retval != ERROR_OK) {
1979                 buffer = malloc(size);
1980                 if (buffer == NULL) {
1981                         LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1982                         return ERROR_COMMAND_SYNTAX_ERROR;
1983                 }
1984                 retval = target_read_buffer(target, address, size, buffer);
1985                 if (retval != ERROR_OK) {
1986                         free(buffer);
1987                         return retval;
1988                 }
1989
1990                 /* convert to target endianness */
1991                 for (i = 0; i < (size/sizeof(uint32_t)); i++) {
1992                         uint32_t target_data;
1993                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1994                         target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1995                 }
1996
1997                 retval = image_calculate_checksum(buffer, size, &checksum);
1998                 free(buffer);
1999         }
2000
2001         *crc = checksum;
2002
2003         return retval;
2004 }
2005
2006 int target_blank_check_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* blank)
2007 {
2008         int retval;
2009         if (!target_was_examined(target)) {
2010                 LOG_ERROR("Target not examined yet");
2011                 return ERROR_FAIL;
2012         }
2013
2014         if (target->type->blank_check_memory == 0)
2015                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
2016
2017         retval = target->type->blank_check_memory(target, address, size, blank);
2018
2019         return retval;
2020 }
2021
2022 int target_read_u64(struct target *target, uint64_t address, uint64_t *value)
2023 {
2024         uint8_t value_buf[8];
2025         if (!target_was_examined(target)) {
2026                 LOG_ERROR("Target not examined yet");
2027                 return ERROR_FAIL;
2028         }
2029
2030         int retval = target_read_memory(target, address, 8, 1, value_buf);
2031
2032         if (retval == ERROR_OK) {
2033                 *value = target_buffer_get_u64(target, value_buf);
2034                 LOG_DEBUG("address: 0x%" PRIx64 ", value: 0x%16.16" PRIx64 "",
2035                                   address,
2036                                   *value);
2037         } else {
2038                 *value = 0x0;
2039                 LOG_DEBUG("address: 0x%" PRIx64 " failed",
2040                                   address);
2041         }
2042
2043         return retval;
2044 }
2045
2046 int target_read_u32(struct target *target, uint32_t address, uint32_t *value)
2047 {
2048         uint8_t value_buf[4];
2049         if (!target_was_examined(target)) {
2050                 LOG_ERROR("Target not examined yet");
2051                 return ERROR_FAIL;
2052         }
2053
2054         int retval = target_read_memory(target, address, 4, 1, value_buf);
2055
2056         if (retval == ERROR_OK) {
2057                 *value = target_buffer_get_u32(target, value_buf);
2058                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
2059                                   address,
2060                                   *value);
2061         } else {
2062                 *value = 0x0;
2063                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
2064                                   address);
2065         }
2066
2067         return retval;
2068 }
2069
2070 int target_read_u16(struct target *target, uint32_t address, uint16_t *value)
2071 {
2072         uint8_t value_buf[2];
2073         if (!target_was_examined(target)) {
2074                 LOG_ERROR("Target not examined yet");
2075                 return ERROR_FAIL;
2076         }
2077
2078         int retval = target_read_memory(target, address, 2, 1, value_buf);
2079
2080         if (retval == ERROR_OK) {
2081                 *value = target_buffer_get_u16(target, value_buf);
2082                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
2083                                   address,
2084                                   *value);
2085         } else {
2086                 *value = 0x0;
2087                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
2088                                   address);
2089         }
2090
2091         return retval;
2092 }
2093
2094 int target_read_u8(struct target *target, uint32_t address, uint8_t *value)
2095 {
2096         if (!target_was_examined(target)) {
2097                 LOG_ERROR("Target not examined yet");
2098                 return ERROR_FAIL;
2099         }
2100
2101         int retval = target_read_memory(target, address, 1, 1, value);
2102
2103         if (retval == ERROR_OK) {
2104                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
2105                                   address,
2106                                   *value);
2107         } else {
2108                 *value = 0x0;
2109                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
2110                                   address);
2111         }
2112
2113         return retval;
2114 }
2115
2116 int target_write_u64(struct target *target, uint64_t address, uint64_t value)
2117 {
2118         int retval;
2119         uint8_t value_buf[8];
2120         if (!target_was_examined(target)) {
2121                 LOG_ERROR("Target not examined yet");
2122                 return ERROR_FAIL;
2123         }
2124
2125         LOG_DEBUG("address: 0x%" PRIx64 ", value: 0x%16.16" PRIx64 "",
2126                           address,
2127                           value);
2128
2129         target_buffer_set_u64(target, value_buf, value);
2130         retval = target_write_memory(target, address, 8, 1, value_buf);
2131         if (retval != ERROR_OK)
2132                 LOG_DEBUG("failed: %i", retval);
2133
2134         return retval;
2135 }
2136
2137 int target_write_u32(struct target *target, uint32_t address, uint32_t value)
2138 {
2139         int retval;
2140         uint8_t value_buf[4];
2141         if (!target_was_examined(target)) {
2142                 LOG_ERROR("Target not examined yet");
2143                 return ERROR_FAIL;
2144         }
2145
2146         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
2147                           address,
2148                           value);
2149
2150         target_buffer_set_u32(target, value_buf, value);
2151         retval = target_write_memory(target, address, 4, 1, value_buf);
2152         if (retval != ERROR_OK)
2153                 LOG_DEBUG("failed: %i", retval);
2154
2155         return retval;
2156 }
2157
2158 int target_write_u16(struct target *target, uint32_t address, uint16_t value)
2159 {
2160         int retval;
2161         uint8_t value_buf[2];
2162         if (!target_was_examined(target)) {
2163                 LOG_ERROR("Target not examined yet");
2164                 return ERROR_FAIL;
2165         }
2166
2167         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
2168                           address,
2169                           value);
2170
2171         target_buffer_set_u16(target, value_buf, value);
2172         retval = target_write_memory(target, address, 2, 1, value_buf);
2173         if (retval != ERROR_OK)
2174                 LOG_DEBUG("failed: %i", retval);
2175
2176         return retval;
2177 }
2178
2179 int target_write_u8(struct target *target, uint32_t address, uint8_t value)
2180 {
2181         int retval;
2182         if (!target_was_examined(target)) {
2183                 LOG_ERROR("Target not examined yet");
2184                 return ERROR_FAIL;
2185         }
2186
2187         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
2188                           address, value);
2189
2190         retval = target_write_memory(target, address, 1, 1, &value);
2191         if (retval != ERROR_OK)
2192                 LOG_DEBUG("failed: %i", retval);
2193
2194         return retval;
2195 }
2196
2197 static int find_target(struct command_context *cmd_ctx, const char *name)
2198 {
2199         struct target *target = get_target(name);
2200         if (target == NULL) {
2201                 LOG_ERROR("Target: %s is unknown, try one of:\n", name);
2202                 return ERROR_FAIL;
2203         }
2204         if (!target->tap->enabled) {
2205                 LOG_USER("Target: TAP %s is disabled, "
2206                          "can't be the current target\n",
2207                          target->tap->dotted_name);
2208                 return ERROR_FAIL;
2209         }
2210
2211         cmd_ctx->current_target = target->target_number;
2212         return ERROR_OK;
2213 }
2214
2215
2216 COMMAND_HANDLER(handle_targets_command)
2217 {
2218         int retval = ERROR_OK;
2219         if (CMD_ARGC == 1) {
2220                 retval = find_target(CMD_CTX, CMD_ARGV[0]);
2221                 if (retval == ERROR_OK) {
2222                         /* we're done! */
2223                         return retval;
2224                 }
2225         }
2226
2227         struct target *target = all_targets;
2228         command_print(CMD_CTX, "    TargetName         Type       Endian TapName            State       ");
2229         command_print(CMD_CTX, "--  ------------------ ---------- ------ ------------------ ------------");
2230         while (target) {
2231                 const char *state;
2232                 char marker = ' ';
2233
2234                 if (target->tap->enabled)
2235                         state = target_state_name(target);
2236                 else
2237                         state = "tap-disabled";
2238
2239                 if (CMD_CTX->current_target == target->target_number)
2240                         marker = '*';
2241
2242                 /* keep columns lined up to match the headers above */
2243                 command_print(CMD_CTX,
2244                                 "%2d%c %-18s %-10s %-6s %-18s %s",
2245                                 target->target_number,
2246                                 marker,
2247                                 target_name(target),
2248                                 target_type_name(target),
2249                                 Jim_Nvp_value2name_simple(nvp_target_endian,
2250                                         target->endianness)->name,
2251                                 target->tap->dotted_name,
2252                                 state);
2253                 target = target->next;
2254         }
2255
2256         return retval;
2257 }
2258
2259 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
2260
2261 static int powerDropout;
2262 static int srstAsserted;
2263
2264 static int runPowerRestore;
2265 static int runPowerDropout;
2266 static int runSrstAsserted;
2267 static int runSrstDeasserted;
2268
2269 static int sense_handler(void)
2270 {
2271         static int prevSrstAsserted;
2272         static int prevPowerdropout;
2273
2274         int retval = jtag_power_dropout(&powerDropout);
2275         if (retval != ERROR_OK)
2276                 return retval;
2277
2278         int powerRestored;
2279         powerRestored = prevPowerdropout && !powerDropout;
2280         if (powerRestored)
2281                 runPowerRestore = 1;
2282
2283         long long current = timeval_ms();
2284         static long long lastPower;
2285         int waitMore = lastPower + 2000 > current;
2286         if (powerDropout && !waitMore) {
2287                 runPowerDropout = 1;
2288                 lastPower = current;
2289         }
2290
2291         retval = jtag_srst_asserted(&srstAsserted);
2292         if (retval != ERROR_OK)
2293                 return retval;
2294
2295         int srstDeasserted;
2296         srstDeasserted = prevSrstAsserted && !srstAsserted;
2297
2298         static long long lastSrst;
2299         waitMore = lastSrst + 2000 > current;
2300         if (srstDeasserted && !waitMore) {
2301                 runSrstDeasserted = 1;
2302                 lastSrst = current;
2303         }
2304
2305         if (!prevSrstAsserted && srstAsserted)
2306                 runSrstAsserted = 1;
2307
2308         prevSrstAsserted = srstAsserted;
2309         prevPowerdropout = powerDropout;
2310
2311         if (srstDeasserted || powerRestored) {
2312                 /* Other than logging the event we can't do anything here.
2313                  * Issuing a reset is a particularly bad idea as we might
2314                  * be inside a reset already.
2315                  */
2316         }
2317
2318         return ERROR_OK;
2319 }
2320
2321 /* process target state changes */
2322 static int handle_target(void *priv)
2323 {
2324         Jim_Interp *interp = (Jim_Interp *)priv;
2325         int retval = ERROR_OK;
2326
2327         if (!is_jtag_poll_safe()) {
2328                 /* polling is disabled currently */
2329                 return ERROR_OK;
2330         }
2331
2332         /* we do not want to recurse here... */
2333         static int recursive;
2334         if (!recursive) {
2335                 recursive = 1;
2336                 sense_handler();
2337                 /* danger! running these procedures can trigger srst assertions and power dropouts.
2338                  * We need to avoid an infinite loop/recursion here and we do that by
2339                  * clearing the flags after running these events.
2340                  */
2341                 int did_something = 0;
2342                 if (runSrstAsserted) {
2343                         LOG_INFO("srst asserted detected, running srst_asserted proc.");
2344                         Jim_Eval(interp, "srst_asserted");
2345                         did_something = 1;
2346                 }
2347                 if (runSrstDeasserted) {
2348                         Jim_Eval(interp, "srst_deasserted");
2349                         did_something = 1;
2350                 }
2351                 if (runPowerDropout) {
2352                         LOG_INFO("Power dropout detected, running power_dropout proc.");
2353                         Jim_Eval(interp, "power_dropout");
2354                         did_something = 1;
2355                 }
2356                 if (runPowerRestore) {
2357                         Jim_Eval(interp, "power_restore");
2358                         did_something = 1;
2359                 }
2360
2361                 if (did_something) {
2362                         /* clear detect flags */
2363                         sense_handler();
2364                 }
2365
2366                 /* clear action flags */
2367
2368                 runSrstAsserted = 0;
2369                 runSrstDeasserted = 0;
2370                 runPowerRestore = 0;
2371                 runPowerDropout = 0;
2372
2373                 recursive = 0;
2374         }
2375
2376         /* Poll targets for state changes unless that's globally disabled.
2377          * Skip targets that are currently disabled.
2378          */
2379         for (struct target *target = all_targets;
2380                         is_jtag_poll_safe() && target;
2381                         target = target->next) {
2382                 if (!target->tap->enabled)
2383                         continue;
2384
2385                 if (target->backoff.times > target->backoff.count) {
2386                         /* do not poll this time as we failed previously */
2387                         target->backoff.count++;
2388                         continue;
2389                 }
2390                 target->backoff.count = 0;
2391
2392                 /* only poll target if we've got power and srst isn't asserted */
2393                 if (!powerDropout && !srstAsserted) {
2394                         /* polling may fail silently until the target has been examined */
2395                         retval = target_poll(target);
2396                         if (retval != ERROR_OK) {
2397                                 /* 100ms polling interval. Increase interval between polling up to 5000ms */
2398                                 if (target->backoff.times * polling_interval < 5000) {
2399                                         target->backoff.times *= 2;
2400                                         target->backoff.times++;
2401                                 }
2402                                 LOG_USER("Polling target %s failed, GDB will be halted. Polling again in %dms",
2403                                                 target_name(target),
2404                                                 target->backoff.times * polling_interval);
2405
2406                                 /* Tell GDB to halt the debugger. This allows the user to
2407                                  * run monitor commands to handle the situation.
2408                                  */
2409                                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
2410                                 return retval;
2411                         }
2412                         /* Since we succeeded, we reset backoff count */
2413                         if (target->backoff.times > 0)
2414                                 LOG_USER("Polling target %s succeeded again", target_name(target));
2415                         target->backoff.times = 0;
2416                 }
2417         }
2418
2419         return retval;
2420 }
2421
2422 COMMAND_HANDLER(handle_reg_command)
2423 {
2424         struct target *target;
2425         struct reg *reg = NULL;
2426         unsigned count = 0;
2427         char *value;
2428
2429         LOG_DEBUG("-");
2430
2431         target = get_current_target(CMD_CTX);
2432
2433         /* list all available registers for the current target */
2434         if (CMD_ARGC == 0) {
2435                 struct reg_cache *cache = target->reg_cache;
2436
2437                 count = 0;
2438                 while (cache) {
2439                         unsigned i;
2440
2441                         command_print(CMD_CTX, "===== %s", cache->name);
2442
2443                         for (i = 0, reg = cache->reg_list;
2444                                         i < cache->num_regs;
2445                                         i++, reg++, count++) {
2446                                 /* only print cached values if they are valid */
2447                                 if (reg->valid) {
2448                                         value = buf_to_str(reg->value,
2449                                                         reg->size, 16);
2450                                         command_print(CMD_CTX,
2451                                                         "(%i) %s (/%" PRIu32 "): 0x%s%s",
2452                                                         count, reg->name,
2453                                                         reg->size, value,
2454                                                         reg->dirty
2455                                                                 ? " (dirty)"
2456                                                                 : "");
2457                                         free(value);
2458                                 } else {
2459                                         command_print(CMD_CTX, "(%i) %s (/%" PRIu32 ")",
2460                                                           count, reg->name,
2461                                                           reg->size) ;
2462                                 }
2463                         }
2464                         cache = cache->next;
2465                 }
2466
2467                 return ERROR_OK;
2468         }
2469
2470         /* access a single register by its ordinal number */
2471         if ((CMD_ARGV[0][0] >= '0') && (CMD_ARGV[0][0] <= '9')) {
2472                 unsigned num;
2473                 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num);
2474
2475                 struct reg_cache *cache = target->reg_cache;
2476                 count = 0;
2477                 while (cache) {
2478                         unsigned i;
2479                         for (i = 0; i < cache->num_regs; i++) {
2480                                 if (count++ == num) {
2481                                         reg = &cache->reg_list[i];
2482                                         break;
2483                                 }
2484                         }
2485                         if (reg)
2486                                 break;
2487                         cache = cache->next;
2488                 }
2489
2490                 if (!reg) {
2491                         command_print(CMD_CTX, "%i is out of bounds, the current target "
2492                                         "has only %i registers (0 - %i)", num, count, count - 1);
2493                         return ERROR_OK;
2494                 }
2495         } else {
2496                 /* access a single register by its name */
2497                 reg = register_get_by_name(target->reg_cache, CMD_ARGV[0], 1);
2498
2499                 if (!reg) {
2500                         command_print(CMD_CTX, "register %s not found in current target", CMD_ARGV[0]);
2501                         return ERROR_OK;
2502                 }
2503         }
2504
2505         assert(reg != NULL); /* give clang a hint that we *know* reg is != NULL here */
2506
2507         /* display a register */
2508         if ((CMD_ARGC == 1) || ((CMD_ARGC == 2) && !((CMD_ARGV[1][0] >= '0')
2509                         && (CMD_ARGV[1][0] <= '9')))) {
2510                 if ((CMD_ARGC == 2) && (strcmp(CMD_ARGV[1], "force") == 0))
2511                         reg->valid = 0;
2512
2513                 if (reg->valid == 0)
2514                         reg->type->get(reg);
2515                 value = buf_to_str(reg->value, reg->size, 16);
2516                 command_print(CMD_CTX, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2517                 free(value);
2518                 return ERROR_OK;
2519         }
2520
2521         /* set register value */
2522         if (CMD_ARGC == 2) {
2523                 uint8_t *buf = malloc(DIV_ROUND_UP(reg->size, 8));
2524                 if (buf == NULL)
2525                         return ERROR_FAIL;
2526                 str_to_buf(CMD_ARGV[1], strlen(CMD_ARGV[1]), buf, reg->size, 0);
2527
2528                 reg->type->set(reg, buf);
2529
2530                 value = buf_to_str(reg->value, reg->size, 16);
2531                 command_print(CMD_CTX, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2532                 free(value);
2533
2534                 free(buf);
2535
2536                 return ERROR_OK;
2537         }
2538
2539         return ERROR_COMMAND_SYNTAX_ERROR;
2540 }
2541
2542 COMMAND_HANDLER(handle_poll_command)
2543 {
2544         int retval = ERROR_OK;
2545         struct target *target = get_current_target(CMD_CTX);
2546
2547         if (CMD_ARGC == 0) {
2548                 command_print(CMD_CTX, "background polling: %s",
2549                                 jtag_poll_get_enabled() ? "on" : "off");
2550                 command_print(CMD_CTX, "TAP: %s (%s)",
2551                                 target->tap->dotted_name,
2552                                 target->tap->enabled ? "enabled" : "disabled");
2553                 if (!target->tap->enabled)
2554                         return ERROR_OK;
2555                 retval = target_poll(target);
2556                 if (retval != ERROR_OK)
2557                         return retval;
2558                 retval = target_arch_state(target);
2559                 if (retval != ERROR_OK)
2560                         return retval;
2561         } else if (CMD_ARGC == 1) {
2562                 bool enable;
2563                 COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable);
2564                 jtag_poll_set_enabled(enable);
2565         } else
2566                 return ERROR_COMMAND_SYNTAX_ERROR;
2567
2568         return retval;
2569 }
2570
2571 COMMAND_HANDLER(handle_wait_halt_command)
2572 {
2573         if (CMD_ARGC > 1)
2574                 return ERROR_COMMAND_SYNTAX_ERROR;
2575
2576         unsigned ms = DEFAULT_HALT_TIMEOUT;
2577         if (1 == CMD_ARGC) {
2578                 int retval = parse_uint(CMD_ARGV[0], &ms);
2579                 if (ERROR_OK != retval)
2580                         return ERROR_COMMAND_SYNTAX_ERROR;
2581         }
2582
2583         struct target *target = get_current_target(CMD_CTX);
2584         return target_wait_state(target, TARGET_HALTED, ms);
2585 }
2586
2587 /* wait for target state to change. The trick here is to have a low
2588  * latency for short waits and not to suck up all the CPU time
2589  * on longer waits.
2590  *
2591  * After 500ms, keep_alive() is invoked
2592  */
2593 int target_wait_state(struct target *target, enum target_state state, int ms)
2594 {
2595         int retval;
2596         long long then = 0, cur;
2597         int once = 1;
2598
2599         for (;;) {
2600                 retval = target_poll(target);
2601                 if (retval != ERROR_OK)
2602                         return retval;
2603                 if (target->state == state)
2604                         break;
2605                 cur = timeval_ms();
2606                 if (once) {
2607                         once = 0;
2608                         then = timeval_ms();
2609                         LOG_DEBUG("waiting for target %s...",
2610                                 Jim_Nvp_value2name_simple(nvp_target_state, state)->name);
2611                 }
2612
2613                 if (cur-then > 500)
2614                         keep_alive();
2615
2616                 if ((cur-then) > ms) {
2617                         LOG_ERROR("timed out while waiting for target %s",
2618                                 Jim_Nvp_value2name_simple(nvp_target_state, state)->name);
2619                         return ERROR_FAIL;
2620                 }
2621         }
2622
2623         return ERROR_OK;
2624 }
2625
2626 COMMAND_HANDLER(handle_halt_command)
2627 {
2628         LOG_DEBUG("-");
2629
2630         struct target *target = get_current_target(CMD_CTX);
2631         int retval = target_halt(target);
2632         if (ERROR_OK != retval)
2633                 return retval;
2634
2635         if (CMD_ARGC == 1) {
2636                 unsigned wait_local;
2637                 retval = parse_uint(CMD_ARGV[0], &wait_local);
2638                 if (ERROR_OK != retval)
2639                         return ERROR_COMMAND_SYNTAX_ERROR;
2640                 if (!wait_local)
2641                         return ERROR_OK;
2642         }
2643
2644         return CALL_COMMAND_HANDLER(handle_wait_halt_command);
2645 }
2646
2647 COMMAND_HANDLER(handle_soft_reset_halt_command)
2648 {
2649         struct target *target = get_current_target(CMD_CTX);
2650
2651         LOG_USER("requesting target halt and executing a soft reset");
2652
2653         target_soft_reset_halt(target);
2654
2655         return ERROR_OK;
2656 }
2657
2658 COMMAND_HANDLER(handle_reset_command)
2659 {
2660         if (CMD_ARGC > 1)
2661                 return ERROR_COMMAND_SYNTAX_ERROR;
2662
2663         enum target_reset_mode reset_mode = RESET_RUN;
2664         if (CMD_ARGC == 1) {
2665                 const Jim_Nvp *n;
2666                 n = Jim_Nvp_name2value_simple(nvp_reset_modes, CMD_ARGV[0]);
2667                 if ((n->name == NULL) || (n->value == RESET_UNKNOWN))
2668                         return ERROR_COMMAND_SYNTAX_ERROR;
2669                 reset_mode = n->value;
2670         }
2671
2672         /* reset *all* targets */
2673         return target_process_reset(CMD_CTX, reset_mode);
2674 }
2675
2676
2677 COMMAND_HANDLER(handle_resume_command)
2678 {
2679         int current = 1;
2680         if (CMD_ARGC > 1)
2681                 return ERROR_COMMAND_SYNTAX_ERROR;
2682
2683         struct target *target = get_current_target(CMD_CTX);
2684
2685         /* with no CMD_ARGV, resume from current pc, addr = 0,
2686          * with one arguments, addr = CMD_ARGV[0],
2687          * handle breakpoints, not debugging */
2688         uint32_t addr = 0;
2689         if (CMD_ARGC == 1) {
2690                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2691                 current = 0;
2692         }
2693
2694         return target_resume(target, current, addr, 1, 0);
2695 }
2696
2697 COMMAND_HANDLER(handle_step_command)
2698 {
2699         if (CMD_ARGC > 1)
2700                 return ERROR_COMMAND_SYNTAX_ERROR;
2701
2702         LOG_DEBUG("-");
2703
2704         /* with no CMD_ARGV, step from current pc, addr = 0,
2705          * with one argument addr = CMD_ARGV[0],
2706          * handle breakpoints, debugging */
2707         uint32_t addr = 0;
2708         int current_pc = 1;
2709         if (CMD_ARGC == 1) {
2710                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2711                 current_pc = 0;
2712         }
2713
2714         struct target *target = get_current_target(CMD_CTX);
2715
2716         return target->type->step(target, current_pc, addr, 1);
2717 }
2718
2719 static void handle_md_output(struct command_context *cmd_ctx,
2720                 struct target *target, uint32_t address, unsigned size,
2721                 unsigned count, const uint8_t *buffer)
2722 {
2723         const unsigned line_bytecnt = 32;
2724         unsigned line_modulo = line_bytecnt / size;
2725
2726         char output[line_bytecnt * 4 + 1];
2727         unsigned output_len = 0;
2728
2729         const char *value_fmt;
2730         switch (size) {
2731         case 4:
2732                 value_fmt = "%8.8x ";
2733                 break;
2734         case 2:
2735                 value_fmt = "%4.4x ";
2736                 break;
2737         case 1:
2738                 value_fmt = "%2.2x ";
2739                 break;
2740         default:
2741                 /* "can't happen", caller checked */
2742                 LOG_ERROR("invalid memory read size: %u", size);
2743                 return;
2744         }
2745
2746         for (unsigned i = 0; i < count; i++) {
2747                 if (i % line_modulo == 0) {
2748                         output_len += snprintf(output + output_len,
2749                                         sizeof(output) - output_len,
2750                                         "0x%8.8x: ",
2751                                         (unsigned)(address + (i*size)));
2752                 }
2753
2754                 uint32_t value = 0;
2755                 const uint8_t *value_ptr = buffer + i * size;
2756                 switch (size) {
2757                 case 4:
2758                         value = target_buffer_get_u32(target, value_ptr);
2759                         break;
2760                 case 2:
2761                         value = target_buffer_get_u16(target, value_ptr);
2762                         break;
2763                 case 1:
2764                         value = *value_ptr;
2765                 }
2766                 output_len += snprintf(output + output_len,
2767                                 sizeof(output) - output_len,
2768                                 value_fmt, value);
2769
2770                 if ((i % line_modulo == line_modulo - 1) || (i == count - 1)) {
2771                         command_print(cmd_ctx, "%s", output);
2772                         output_len = 0;
2773                 }
2774         }
2775 }
2776
2777 COMMAND_HANDLER(handle_md_command)
2778 {
2779         if (CMD_ARGC < 1)
2780                 return ERROR_COMMAND_SYNTAX_ERROR;
2781
2782         unsigned size = 0;
2783         switch (CMD_NAME[2]) {
2784         case 'w':
2785                 size = 4;
2786                 break;
2787         case 'h':
2788                 size = 2;
2789                 break;
2790         case 'b':
2791                 size = 1;
2792                 break;
2793         default:
2794                 return ERROR_COMMAND_SYNTAX_ERROR;
2795         }
2796
2797         bool physical = strcmp(CMD_ARGV[0], "phys") == 0;
2798         int (*fn)(struct target *target,
2799                         uint32_t address, uint32_t size_value, uint32_t count, uint8_t *buffer);
2800         if (physical) {
2801                 CMD_ARGC--;
2802                 CMD_ARGV++;
2803                 fn = target_read_phys_memory;
2804         } else
2805                 fn = target_read_memory;
2806         if ((CMD_ARGC < 1) || (CMD_ARGC > 2))
2807                 return ERROR_COMMAND_SYNTAX_ERROR;
2808
2809         uint32_t address;
2810         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2811
2812         unsigned count = 1;
2813         if (CMD_ARGC == 2)
2814                 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], count);
2815
2816         uint8_t *buffer = calloc(count, size);
2817
2818         struct target *target = get_current_target(CMD_CTX);
2819         int retval = fn(target, address, size, count, buffer);
2820         if (ERROR_OK == retval)
2821                 handle_md_output(CMD_CTX, target, address, size, count, buffer);
2822
2823         free(buffer);
2824
2825         return retval;
2826 }
2827
2828 typedef int (*target_write_fn)(struct target *target,
2829                 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
2830
2831 static int target_fill_mem(struct target *target,
2832                 uint32_t address,
2833                 target_write_fn fn,
2834                 unsigned data_size,
2835                 /* value */
2836                 uint32_t b,
2837                 /* count */
2838                 unsigned c)
2839 {
2840         /* We have to write in reasonably large chunks to be able
2841          * to fill large memory areas with any sane speed */
2842         const unsigned chunk_size = 16384;
2843         uint8_t *target_buf = malloc(chunk_size * data_size);
2844         if (target_buf == NULL) {
2845                 LOG_ERROR("Out of memory");
2846                 return ERROR_FAIL;
2847         }
2848
2849         for (unsigned i = 0; i < chunk_size; i++) {
2850                 switch (data_size) {
2851                 case 4:
2852                         target_buffer_set_u32(target, target_buf + i * data_size, b);
2853                         break;
2854                 case 2:
2855                         target_buffer_set_u16(target, target_buf + i * data_size, b);
2856                         break;
2857                 case 1:
2858                         target_buffer_set_u8(target, target_buf + i * data_size, b);
2859                         break;
2860                 default:
2861                         exit(-1);
2862                 }
2863         }
2864
2865         int retval = ERROR_OK;
2866
2867         for (unsigned x = 0; x < c; x += chunk_size) {
2868                 unsigned current;
2869                 current = c - x;
2870                 if (current > chunk_size)
2871                         current = chunk_size;
2872                 retval = fn(target, address + x * data_size, data_size, current, target_buf);
2873                 if (retval != ERROR_OK)
2874                         break;
2875                 /* avoid GDB timeouts */
2876                 keep_alive();
2877         }
2878         free(target_buf);
2879
2880         return retval;
2881 }
2882
2883
2884 COMMAND_HANDLER(handle_mw_command)
2885 {
2886         if (CMD_ARGC < 2)
2887                 return ERROR_COMMAND_SYNTAX_ERROR;
2888         bool physical = strcmp(CMD_ARGV[0], "phys") == 0;
2889         target_write_fn fn;
2890         if (physical) {
2891                 CMD_ARGC--;
2892                 CMD_ARGV++;
2893                 fn = target_write_phys_memory;
2894         } else
2895                 fn = target_write_memory;
2896         if ((CMD_ARGC < 2) || (CMD_ARGC > 3))
2897                 return ERROR_COMMAND_SYNTAX_ERROR;
2898
2899         uint32_t address;
2900         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2901
2902         uint32_t value;
2903         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
2904
2905         unsigned count = 1;
2906         if (CMD_ARGC == 3)
2907                 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[2], count);
2908
2909         struct target *target = get_current_target(CMD_CTX);
2910         unsigned wordsize;
2911         switch (CMD_NAME[2]) {
2912                 case 'w':
2913                         wordsize = 4;
2914                         break;
2915                 case 'h':
2916                         wordsize = 2;
2917                         break;
2918                 case 'b':
2919                         wordsize = 1;
2920                         break;
2921                 default:
2922                         return ERROR_COMMAND_SYNTAX_ERROR;
2923         }
2924
2925         return target_fill_mem(target, address, fn, wordsize, value, count);
2926 }
2927
2928 static COMMAND_HELPER(parse_load_image_command_CMD_ARGV, struct image *image,
2929                 uint32_t *min_address, uint32_t *max_address)
2930 {
2931         if (CMD_ARGC < 1 || CMD_ARGC > 5)
2932                 return ERROR_COMMAND_SYNTAX_ERROR;
2933
2934         /* a base address isn't always necessary,
2935          * default to 0x0 (i.e. don't relocate) */
2936         if (CMD_ARGC >= 2) {
2937                 uint32_t addr;
2938                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], addr);
2939                 image->base_address = addr;
2940                 image->base_address_set = 1;
2941         } else
2942                 image->base_address_set = 0;
2943
2944         image->start_address_set = 0;
2945
2946         if (CMD_ARGC >= 4)
2947                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], *min_address);
2948         if (CMD_ARGC == 5) {
2949                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], *max_address);
2950                 /* use size (given) to find max (required) */
2951                 *max_address += *min_address;
2952         }
2953
2954         if (*min_address > *max_address)
2955                 return ERROR_COMMAND_SYNTAX_ERROR;
2956
2957         return ERROR_OK;
2958 }
2959
2960 COMMAND_HANDLER(handle_load_image_command)
2961 {
2962         uint8_t *buffer;
2963         size_t buf_cnt;
2964         uint32_t image_size;
2965         uint32_t min_address = 0;
2966         uint32_t max_address = 0xffffffff;
2967         int i;
2968         struct image image;
2969
2970         int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
2971                         &image, &min_address, &max_address);
2972         if (ERROR_OK != retval)
2973                 return retval;
2974
2975         struct target *target = get_current_target(CMD_CTX);
2976
2977         struct duration bench;
2978         duration_start(&bench);
2979
2980         if (image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL) != ERROR_OK)
2981                 return ERROR_OK;
2982
2983         image_size = 0x0;
2984         retval = ERROR_OK;
2985         for (i = 0; i < image.num_sections; i++) {
2986                 buffer = malloc(image.sections[i].size);
2987                 if (buffer == NULL) {
2988                         command_print(CMD_CTX,
2989                                                   "error allocating buffer for section (%d bytes)",
2990                                                   (int)(image.sections[i].size));
2991                         break;
2992                 }
2993
2994                 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
2995                 if (retval != ERROR_OK) {
2996                         free(buffer);
2997                         break;
2998                 }
2999
3000                 uint32_t offset = 0;
3001                 uint32_t length = buf_cnt;
3002
3003                 /* DANGER!!! beware of unsigned comparision here!!! */
3004
3005                 if ((image.sections[i].base_address + buf_cnt >= min_address) &&
3006                                 (image.sections[i].base_address < max_address)) {
3007
3008                         if (image.sections[i].base_address < min_address) {
3009                                 /* clip addresses below */
3010                                 offset += min_address-image.sections[i].base_address;
3011                                 length -= offset;
3012                         }
3013
3014                         if (image.sections[i].base_address + buf_cnt > max_address)
3015                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
3016
3017                         retval = target_write_buffer(target,
3018                                         image.sections[i].base_address + offset, length, buffer + offset);
3019                         if (retval != ERROR_OK) {
3020                                 free(buffer);
3021                                 break;
3022                         }
3023                         image_size += length;
3024                         command_print(CMD_CTX, "%u bytes written at address 0x%8.8" PRIx32 "",
3025                                         (unsigned int)length,
3026                                         image.sections[i].base_address + offset);
3027                 }
3028
3029                 free(buffer);
3030         }
3031
3032         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
3033                 command_print(CMD_CTX, "downloaded %" PRIu32 " bytes "
3034                                 "in %fs (%0.3f KiB/s)", image_size,
3035                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
3036         }
3037
3038         image_close(&image);
3039
3040         return retval;
3041
3042 }
3043
3044 COMMAND_HANDLER(handle_dump_image_command)
3045 {
3046         struct fileio fileio;
3047         uint8_t *buffer;
3048         int retval, retvaltemp;
3049         uint32_t address, size;
3050         struct duration bench;
3051         struct target *target = get_current_target(CMD_CTX);
3052
3053         if (CMD_ARGC != 3)
3054                 return ERROR_COMMAND_SYNTAX_ERROR;
3055
3056         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], address);
3057         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], size);
3058
3059         uint32_t buf_size = (size > 4096) ? 4096 : size;
3060         buffer = malloc(buf_size);
3061         if (!buffer)
3062                 return ERROR_FAIL;
3063
3064         retval = fileio_open(&fileio, CMD_ARGV[0], FILEIO_WRITE, FILEIO_BINARY);
3065         if (retval != ERROR_OK) {
3066                 free(buffer);
3067                 return retval;
3068         }
3069
3070         duration_start(&bench);
3071
3072         while (size > 0) {
3073                 size_t size_written;
3074                 uint32_t this_run_size = (size > buf_size) ? buf_size : size;
3075                 retval = target_read_buffer(target, address, this_run_size, buffer);
3076                 if (retval != ERROR_OK)
3077                         break;
3078
3079                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
3080                 if (retval != ERROR_OK)
3081                         break;
3082
3083                 size -= this_run_size;
3084                 address += this_run_size;
3085         }
3086
3087         free(buffer);
3088
3089         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
3090                 int filesize;
3091                 retval = fileio_size(&fileio, &filesize);
3092                 if (retval != ERROR_OK)
3093                         return retval;
3094                 command_print(CMD_CTX,
3095                                 "dumped %ld bytes in %fs (%0.3f KiB/s)", (long)filesize,
3096                                 duration_elapsed(&bench), duration_kbps(&bench, filesize));
3097         }
3098
3099         retvaltemp = fileio_close(&fileio);
3100         if (retvaltemp != ERROR_OK)
3101                 return retvaltemp;
3102
3103         return retval;
3104 }
3105
3106 static COMMAND_HELPER(handle_verify_image_command_internal, int verify)
3107 {
3108         uint8_t *buffer;
3109         size_t buf_cnt;
3110         uint32_t image_size;
3111         int i;
3112         int retval;
3113         uint32_t checksum = 0;
3114         uint32_t mem_checksum = 0;
3115
3116         struct image image;
3117
3118         struct target *target = get_current_target(CMD_CTX);
3119
3120         if (CMD_ARGC < 1)
3121                 return ERROR_COMMAND_SYNTAX_ERROR;
3122
3123         if (!target) {
3124                 LOG_ERROR("no target selected");
3125                 return ERROR_FAIL;
3126         }
3127
3128         struct duration bench;
3129         duration_start(&bench);
3130
3131         if (CMD_ARGC >= 2) {
3132                 uint32_t addr;
3133                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], addr);
3134                 image.base_address = addr;
3135                 image.base_address_set = 1;
3136         } else {
3137                 image.base_address_set = 0;
3138                 image.base_address = 0x0;
3139         }
3140
3141         image.start_address_set = 0;
3142
3143         retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
3144         if (retval != ERROR_OK)
3145                 return retval;
3146
3147         image_size = 0x0;
3148         int diffs = 0;
3149         retval = ERROR_OK;
3150         for (i = 0; i < image.num_sections; i++) {
3151                 buffer = malloc(image.sections[i].size);
3152                 if (buffer == NULL) {
3153                         command_print(CMD_CTX,
3154                                         "error allocating buffer for section (%d bytes)",
3155                                         (int)(image.sections[i].size));
3156                         break;
3157                 }
3158                 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
3159                 if (retval != ERROR_OK) {
3160                         free(buffer);
3161                         break;
3162                 }
3163
3164                 if (verify) {
3165                         /* calculate checksum of image */
3166                         retval = image_calculate_checksum(buffer, buf_cnt, &checksum);
3167                         if (retval != ERROR_OK) {
3168                                 free(buffer);
3169                                 break;
3170                         }
3171
3172                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
3173                         if (retval != ERROR_OK) {
3174                                 free(buffer);
3175                                 break;
3176                         }
3177
3178                         if (checksum != mem_checksum) {
3179                                 /* failed crc checksum, fall back to a binary compare */
3180                                 uint8_t *data;
3181
3182                                 if (diffs == 0)
3183                                         LOG_ERROR("checksum mismatch - attempting binary compare");
3184
3185                                 data = (uint8_t *)malloc(buf_cnt);
3186
3187                                 /* Can we use 32bit word accesses? */
3188                                 int size = 1;
3189                                 int count = buf_cnt;
3190                                 if ((count % 4) == 0) {
3191                                         size *= 4;
3192                                         count /= 4;
3193                                 }
3194                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
3195                                 if (retval == ERROR_OK) {
3196                                         uint32_t t;
3197                                         for (t = 0; t < buf_cnt; t++) {
3198                                                 if (data[t] != buffer[t]) {
3199                                                         command_print(CMD_CTX,
3200                                                                                   "diff %d address 0x%08x. Was 0x%02x instead of 0x%02x",
3201                                                                                   diffs,
3202                                                                                   (unsigned)(t + image.sections[i].base_address),
3203                                                                                   data[t],
3204                                                                                   buffer[t]);
3205                                                         if (diffs++ >= 127) {
3206                                                                 command_print(CMD_CTX, "More than 128 errors, the rest are not printed.");
3207                                                                 free(data);
3208                                                                 free(buffer);
3209                                                                 goto done;
3210                                                         }
3211                                                 }
3212                                                 keep_alive();
3213                                         }
3214                                 }
3215                                 free(data);
3216                         }
3217                 } else {
3218                         command_print(CMD_CTX, "address 0x%08" PRIx32 " length 0x%08zx",
3219                                                   image.sections[i].base_address,
3220                                                   buf_cnt);
3221                 }
3222
3223                 free(buffer);
3224                 image_size += buf_cnt;
3225         }
3226         if (diffs > 0)
3227                 command_print(CMD_CTX, "No more differences found.");
3228 done:
3229         if (diffs > 0)
3230                 retval = ERROR_FAIL;
3231         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
3232                 command_print(CMD_CTX, "verified %" PRIu32 " bytes "
3233                                 "in %fs (%0.3f KiB/s)", image_size,
3234                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
3235         }
3236
3237         image_close(&image);
3238
3239         return retval;
3240 }
3241
3242 COMMAND_HANDLER(handle_verify_image_command)
3243 {
3244         return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 1);
3245 }
3246
3247 COMMAND_HANDLER(handle_test_image_command)
3248 {
3249         return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 0);
3250 }
3251
3252 static int handle_bp_command_list(struct command_context *cmd_ctx)
3253 {
3254         struct target *target = get_current_target(cmd_ctx);
3255         struct breakpoint *breakpoint = target->breakpoints;
3256         while (breakpoint) {
3257                 if (breakpoint->type == BKPT_SOFT) {
3258                         char *buf = buf_to_str(breakpoint->orig_instr,
3259                                         breakpoint->length, 16);
3260                         command_print(cmd_ctx, "IVA breakpoint: 0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
3261                                         breakpoint->address,
3262                                         breakpoint->length,
3263                                         breakpoint->set, buf);
3264                         free(buf);
3265                 } else {
3266                         if ((breakpoint->address == 0) && (breakpoint->asid != 0))
3267                                 command_print(cmd_ctx, "Context breakpoint: 0x%8.8" PRIx32 ", 0x%x, %i",
3268                                                         breakpoint->asid,
3269                                                         breakpoint->length, breakpoint->set);
3270                         else if ((breakpoint->address != 0) && (breakpoint->asid != 0)) {
3271                                 command_print(cmd_ctx, "Hybrid breakpoint(IVA): 0x%8.8" PRIx32 ", 0x%x, %i",
3272                                                         breakpoint->address,
3273                                                         breakpoint->length, breakpoint->set);
3274                                 command_print(cmd_ctx, "\t|--->linked with ContextID: 0x%8.8" PRIx32,
3275                                                         breakpoint->asid);
3276                         } else
3277                                 command_print(cmd_ctx, "Breakpoint(IVA): 0x%8.8" PRIx32 ", 0x%x, %i",
3278                                                         breakpoint->address,
3279                                                         breakpoint->length, breakpoint->set);
3280                 }
3281
3282                 breakpoint = breakpoint->next;
3283         }
3284         return ERROR_OK;
3285 }
3286
3287 static int handle_bp_command_set(struct command_context *cmd_ctx,
3288                 uint32_t addr, uint32_t asid, uint32_t length, int hw)
3289 {
3290         struct target *target = get_current_target(cmd_ctx);
3291
3292         if (asid == 0) {
3293                 int retval = breakpoint_add(target, addr, length, hw);
3294                 if (ERROR_OK == retval)
3295                         command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
3296                 else {
3297                         LOG_ERROR("Failure setting breakpoint, the same address(IVA) is already used");
3298                         return retval;
3299                 }
3300         } else if (addr == 0) {
3301                 int retval = context_breakpoint_add(target, asid, length, hw);
3302                 if (ERROR_OK == retval)
3303                         command_print(cmd_ctx, "Context breakpoint set at 0x%8.8" PRIx32 "", asid);
3304                 else {
3305                         LOG_ERROR("Failure setting breakpoint, the same address(CONTEXTID) is already used");
3306                         return retval;
3307                 }
3308         } else {
3309                 int retval = hybrid_breakpoint_add(target, addr, asid, length, hw);
3310                 if (ERROR_OK == retval)
3311                         command_print(cmd_ctx, "Hybrid breakpoint set at 0x%8.8" PRIx32 "", asid);
3312                 else {
3313                         LOG_ERROR("Failure setting breakpoint, the same address is already used");
3314                         return retval;
3315                 }
3316         }
3317         return ERROR_OK;
3318 }
3319
3320 COMMAND_HANDLER(handle_bp_command)
3321 {
3322         uint32_t addr;
3323         uint32_t asid;
3324         uint32_t length;
3325         int hw = BKPT_SOFT;
3326
3327         switch (CMD_ARGC) {
3328                 case 0:
3329                         return handle_bp_command_list(CMD_CTX);
3330
3331                 case 2:
3332                         asid = 0;
3333                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3334                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3335                         return handle_bp_command_set(CMD_CTX, addr, asid, length, hw);
3336
3337                 case 3:
3338                         if (strcmp(CMD_ARGV[2], "hw") == 0) {
3339                                 hw = BKPT_HARD;
3340                                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3341
3342                                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3343
3344                                 asid = 0;
3345                                 return handle_bp_command_set(CMD_CTX, addr, asid, length, hw);
3346                         } else if (strcmp(CMD_ARGV[2], "hw_ctx") == 0) {
3347                                 hw = BKPT_HARD;
3348                                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], asid);
3349                                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3350                                 addr = 0;
3351                                 return handle_bp_command_set(CMD_CTX, addr, asid, length, hw);
3352                         }
3353
3354                 case 4:
3355                         hw = BKPT_HARD;
3356                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3357                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], asid);
3358                         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], length);
3359                         return handle_bp_command_set(CMD_CTX, addr, asid, length, hw);
3360
3361                 default:
3362                         return ERROR_COMMAND_SYNTAX_ERROR;
3363         }
3364 }
3365
3366 COMMAND_HANDLER(handle_rbp_command)
3367 {
3368         if (CMD_ARGC != 1)
3369                 return ERROR_COMMAND_SYNTAX_ERROR;
3370
3371         uint32_t addr;
3372         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3373
3374         struct target *target = get_current_target(CMD_CTX);
3375         breakpoint_remove(target, addr);
3376
3377         return ERROR_OK;
3378 }
3379
3380 COMMAND_HANDLER(handle_wp_command)
3381 {
3382         struct target *target = get_current_target(CMD_CTX);
3383
3384         if (CMD_ARGC == 0) {
3385                 struct watchpoint *watchpoint = target->watchpoints;
3386
3387                 while (watchpoint) {
3388                         command_print(CMD_CTX, "address: 0x%8.8" PRIx32
3389                                         ", len: 0x%8.8" PRIx32
3390                                         ", r/w/a: %i, value: 0x%8.8" PRIx32
3391                                         ", mask: 0x%8.8" PRIx32,
3392                                         watchpoint->address,
3393                                         watchpoint->length,
3394                                         (int)watchpoint->rw,
3395                                         watchpoint->value,
3396                                         watchpoint->mask);
3397                         watchpoint = watchpoint->next;
3398                 }
3399                 return ERROR_OK;
3400         }
3401
3402         enum watchpoint_rw type = WPT_ACCESS;
3403         uint32_t addr = 0;
3404         uint32_t length = 0;
3405         uint32_t data_value = 0x0;
3406         uint32_t data_mask = 0xffffffff;
3407
3408         switch (CMD_ARGC) {
3409         case 5:
3410                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], data_mask);
3411                 /* fall through */
3412         case 4:
3413                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], data_value);
3414                 /* fall through */
3415         case 3:
3416                 switch (CMD_ARGV[2][0]) {
3417                 case 'r':
3418                         type = WPT_READ;
3419                         break;
3420                 case 'w':
3421                         type = WPT_WRITE;
3422                         break;
3423                 case 'a':
3424                         type = WPT_ACCESS;
3425                         break;
3426                 default:
3427                         LOG_ERROR("invalid watchpoint mode ('%c')", CMD_ARGV[2][0]);
3428                         return ERROR_COMMAND_SYNTAX_ERROR;
3429                 }
3430                 /* fall through */
3431         case 2:
3432                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3433                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3434                 break;
3435
3436         default:
3437                 return ERROR_COMMAND_SYNTAX_ERROR;
3438         }
3439
3440         int retval = watchpoint_add(target, addr, length, type,
3441                         data_value, data_mask);
3442         if (ERROR_OK != retval)
3443                 LOG_ERROR("Failure setting watchpoints");
3444
3445         return retval;
3446 }
3447
3448 COMMAND_HANDLER(handle_rwp_command)
3449 {
3450         if (CMD_ARGC != 1)
3451                 return ERROR_COMMAND_SYNTAX_ERROR;
3452
3453         uint32_t addr;
3454         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3455
3456         struct target *target = get_current_target(CMD_CTX);
3457         watchpoint_remove(target, addr);
3458
3459         return ERROR_OK;
3460 }
3461
3462 /**
3463  * Translate a virtual address to a physical address.
3464  *
3465  * The low-level target implementation must have logged a detailed error
3466  * which is forwarded to telnet/GDB session.
3467  */
3468 COMMAND_HANDLER(handle_virt2phys_command)
3469 {
3470         if (CMD_ARGC != 1)
3471                 return ERROR_COMMAND_SYNTAX_ERROR;
3472
3473         uint32_t va;
3474         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], va);
3475         uint32_t pa;
3476
3477         struct target *target = get_current_target(CMD_CTX);
3478         int retval = target->type->virt2phys(target, va, &pa);
3479         if (retval == ERROR_OK)
3480                 command_print(CMD_CTX, "Physical address 0x%08" PRIx32 "", pa);
3481
3482         return retval;
3483 }
3484
3485 static void writeData(FILE *f, const void *data, size_t len)
3486 {
3487         size_t written = fwrite(data, 1, len, f);
3488         if (written != len)
3489                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3490 }
3491
3492 static void writeLong(FILE *f, int l)
3493 {
3494         int i;
3495         for (i = 0; i < 4; i++) {
3496                 char c = (l >> (i*8))&0xff;
3497                 writeData(f, &c, 1);
3498         }
3499
3500 }
3501
3502 static void writeString(FILE *f, char *s)
3503 {
3504         writeData(f, s, strlen(s));
3505 }
3506
3507 typedef unsigned char UNIT[2];  /* unit of profiling */
3508
3509 /* Dump a gmon.out histogram file. */
3510 static void write_gmon(uint32_t *samples, uint32_t sampleNum, const char *filename,
3511                 bool with_range, uint32_t start_address, uint32_t end_address)
3512 {
3513         uint32_t i;
3514         FILE *f = fopen(filename, "w");
3515         if (f == NULL)
3516                 return;
3517         writeString(f, "gmon");
3518         writeLong(f, 0x00000001); /* Version */
3519         writeLong(f, 0); /* padding */
3520         writeLong(f, 0); /* padding */
3521         writeLong(f, 0); /* padding */
3522
3523         uint8_t zero = 0;  /* GMON_TAG_TIME_HIST */
3524         writeData(f, &zero, 1);
3525
3526         /* figure out bucket size */
3527         uint32_t min;
3528         uint32_t max;
3529         if (with_range) {
3530                 min = start_address;
3531                 max = end_address;
3532         } else {
3533                 min = samples[0];
3534                 max = samples[0];
3535                 for (i = 0; i < sampleNum; i++) {
3536                         if (min > samples[i])
3537                                 min = samples[i];
3538                         if (max < samples[i])
3539                                 max = samples[i];
3540                 }
3541
3542                 /* max should be (largest sample + 1)
3543                  * Refer to binutils/gprof/hist.c (find_histogram_for_pc) */
3544                 max++;
3545         }
3546
3547         int addressSpace = max - min;
3548         assert(addressSpace >= 2);
3549
3550         /* FIXME: What is the reasonable number of buckets?
3551          * The profiling result will be more accurate if there are enough buckets. */
3552         static const uint32_t maxBuckets = 128 * 1024; /* maximum buckets. */
3553         uint32_t numBuckets = addressSpace / sizeof(UNIT);
3554         if (numBuckets > maxBuckets)
3555                 numBuckets = maxBuckets;
3556         int *buckets = malloc(sizeof(int) * numBuckets);
3557         if (buckets == NULL) {
3558                 fclose(f);
3559                 return;
3560         }
3561         memset(buckets, 0, sizeof(int) * numBuckets);
3562         for (i = 0; i < sampleNum; i++) {
3563                 uint32_t address = samples[i];
3564
3565                 if ((address < min) || (max <= address))
3566                         continue;
3567
3568                 long long a = address - min;
3569                 long long b = numBuckets;
3570                 long long c = addressSpace;
3571                 int index_t = (a * b) / c; /* danger!!!! int32 overflows */
3572                 buckets[index_t]++;
3573         }
3574
3575         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3576         writeLong(f, min);                      /* low_pc */
3577         writeLong(f, max);                      /* high_pc */
3578         writeLong(f, numBuckets);       /* # of buckets */
3579         writeLong(f, 100);                      /* KLUDGE! We lie, ca. 100Hz best case. */
3580         writeString(f, "seconds");
3581         for (i = 0; i < (15-strlen("seconds")); i++)
3582                 writeData(f, &zero, 1);
3583         writeString(f, "s");
3584
3585         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3586
3587         char *data = malloc(2 * numBuckets);
3588         if (data != NULL) {
3589                 for (i = 0; i < numBuckets; i++) {
3590                         int val;
3591                         val = buckets[i];
3592                         if (val > 65535)
3593                                 val = 65535;
3594                         data[i * 2] = val&0xff;
3595                         data[i * 2 + 1] = (val >> 8) & 0xff;
3596                 }
3597                 free(buckets);
3598                 writeData(f, data, numBuckets * 2);
3599                 free(data);
3600         } else
3601                 free(buckets);
3602
3603         fclose(f);
3604 }
3605
3606 /* profiling samples the CPU PC as quickly as OpenOCD is able,
3607  * which will be used as a random sampling of PC */
3608 COMMAND_HANDLER(handle_profile_command)
3609 {
3610         struct target *target = get_current_target(CMD_CTX);
3611
3612         if ((CMD_ARGC != 2) && (CMD_ARGC != 4))
3613                 return ERROR_COMMAND_SYNTAX_ERROR;
3614
3615         const uint32_t MAX_PROFILE_SAMPLE_NUM = 10000;
3616         uint32_t offset;
3617         uint32_t num_of_sampels;
3618         int retval = ERROR_OK;
3619         uint32_t *samples = malloc(sizeof(uint32_t) * MAX_PROFILE_SAMPLE_NUM);
3620         if (samples == NULL) {
3621                 LOG_ERROR("No memory to store samples.");
3622                 return ERROR_FAIL;
3623         }
3624
3625         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], offset);
3626
3627         /**
3628          * Some cores let us sample the PC without the
3629          * annoying halt/resume step; for example, ARMv7 PCSR.
3630          * Provide a way to use that more efficient mechanism.
3631          */
3632         retval = target_profiling(target, samples, MAX_PROFILE_SAMPLE_NUM,
3633                                 &num_of_sampels, offset);
3634         if (retval != ERROR_OK) {
3635                 free(samples);
3636                 return retval;
3637         }
3638
3639         assert(num_of_sampels <= MAX_PROFILE_SAMPLE_NUM);
3640
3641         retval = target_poll(target);
3642         if (retval != ERROR_OK) {
3643                 free(samples);
3644                 return retval;
3645         }
3646         if (target->state == TARGET_RUNNING) {
3647                 retval = target_halt(target);
3648                 if (retval != ERROR_OK) {
3649                         free(samples);
3650                         return retval;
3651                 }
3652         }
3653
3654         retval = target_poll(target);
3655         if (retval != ERROR_OK) {
3656                 free(samples);
3657                 return retval;
3658         }
3659
3660         uint32_t start_address = 0;
3661         uint32_t end_address = 0;
3662         bool with_range = false;
3663         if (CMD_ARGC == 4) {
3664                 with_range = true;
3665                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], start_address);
3666                 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], end_address);
3667         }
3668
3669         write_gmon(samples, num_of_sampels, CMD_ARGV[1],
3670                         with_range, start_address, end_address);
3671         command_print(CMD_CTX, "Wrote %s", CMD_ARGV[1]);
3672
3673         free(samples);
3674         return retval;
3675 }
3676
3677 static int new_int_array_element(Jim_Interp *interp, const char *varname, int idx, uint32_t val)
3678 {
3679         char *namebuf;
3680         Jim_Obj *nameObjPtr, *valObjPtr;
3681         int result;
3682
3683         namebuf = alloc_printf("%s(%d)", varname, idx);
3684         if (!namebuf)
3685                 return JIM_ERR;
3686
3687         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3688         valObjPtr = Jim_NewIntObj(interp, val);
3689         if (!nameObjPtr || !valObjPtr) {
3690                 free(namebuf);
3691                 return JIM_ERR;
3692         }
3693
3694         Jim_IncrRefCount(nameObjPtr);
3695         Jim_IncrRefCount(valObjPtr);
3696         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3697         Jim_DecrRefCount(interp, nameObjPtr);
3698         Jim_DecrRefCount(interp, valObjPtr);
3699         free(namebuf);
3700         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3701         return result;
3702 }
3703
3704 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3705 {
3706         struct command_context *context;
3707         struct target *target;
3708
3709         context = current_command_context(interp);
3710         assert(context != NULL);
3711
3712         target = get_current_target(context);
3713         if (target == NULL) {
3714                 LOG_ERROR("mem2array: no current target");
3715                 return JIM_ERR;
3716         }
3717
3718         return target_mem2array(interp, target, argc - 1, argv + 1);
3719 }
3720
3721 static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv)
3722 {
3723         long l;
3724         uint32_t width;
3725         int len;
3726         uint32_t addr;
3727         uint32_t count;
3728         uint32_t v;
3729         const char *varname;
3730         int  n, e, retval;
3731         uint32_t i;
3732
3733         /* argv[1] = name of array to receive the data
3734          * argv[2] = desired width
3735          * argv[3] = memory address
3736          * argv[4] = count of times to read
3737          */
3738         if (argc != 4) {
3739                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3740                 return JIM_ERR;
3741         }
3742         varname = Jim_GetString(argv[0], &len);
3743         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3744
3745         e = Jim_GetLong(interp, argv[1], &l);
3746         width = l;
3747         if (e != JIM_OK)
3748                 return e;
3749
3750         e = Jim_GetLong(interp, argv[2], &l);
3751         addr = l;
3752         if (e != JIM_OK)
3753                 return e;
3754         e = Jim_GetLong(interp, argv[3], &l);
3755         len = l;
3756         if (e != JIM_OK)
3757                 return e;
3758         switch (width) {
3759                 case 8:
3760                         width = 1;
3761                         break;
3762                 case 16:
3763                         width = 2;
3764                         break;
3765                 case 32:
3766                         width = 4;
3767                         break;
3768                 default:
3769                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3770                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3771                         return JIM_ERR;
3772         }
3773         if (len == 0) {
3774                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3775                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3776                 return JIM_ERR;
3777         }
3778         if ((addr + (len * width)) < addr) {
3779                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3780                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3781                 return JIM_ERR;
3782         }
3783         /* absurd transfer size? */
3784         if (len > 65536) {
3785                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3786                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3787                 return JIM_ERR;
3788         }
3789
3790         if ((width == 1) ||
3791                 ((width == 2) && ((addr & 1) == 0)) ||
3792                 ((width == 4) && ((addr & 3) == 0))) {
3793                 /* all is well */
3794         } else {
3795                 char buf[100];
3796                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3797                 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3798                                 addr,
3799                                 width);
3800                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3801                 return JIM_ERR;
3802         }
3803
3804         /* Transfer loop */
3805
3806         /* index counter */
3807         n = 0;
3808
3809         size_t buffersize = 4096;
3810         uint8_t *buffer = malloc(buffersize);
3811         if (buffer == NULL)
3812                 return JIM_ERR;
3813
3814         /* assume ok */
3815         e = JIM_OK;
3816         while (len) {
3817                 /* Slurp... in buffer size chunks */
3818
3819                 count = len; /* in objects.. */
3820                 if (count > (buffersize / width))
3821                         count = (buffersize / width);
3822
3823                 retval = target_read_memory(target, addr, width, count, buffer);
3824                 if (retval != ERROR_OK) {
3825                         /* BOO !*/
3826                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3827                                           (unsigned int)addr,
3828                                           (int)width,
3829                                           (int)count);
3830                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3831                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3832                         e = JIM_ERR;
3833                         break;
3834                 } else {
3835                         v = 0; /* shut up gcc */
3836                         for (i = 0; i < count ; i++, n++) {
3837                                 switch (width) {
3838                                         case 4:
3839                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
3840                                                 break;
3841                                         case 2:
3842                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
3843                                                 break;
3844                                         case 1:
3845                                                 v = buffer[i] & 0x0ff;
3846                                                 break;
3847                                 }
3848                                 new_int_array_element(interp, varname, n, v);
3849                         }
3850                         len -= count;
3851                         addr += count * width;
3852                 }
3853         }
3854
3855         free(buffer);
3856
3857         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3858
3859         return e;
3860 }
3861
3862 static int get_int_array_element(Jim_Interp *interp, const char *varname, int idx, uint32_t *val)
3863 {
3864         char *namebuf;
3865         Jim_Obj *nameObjPtr, *valObjPtr;
3866         int result;
3867         long l;
3868
3869         namebuf = alloc_printf("%s(%d)", varname, idx);
3870         if (!namebuf)
3871                 return JIM_ERR;
3872
3873         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3874         if (!nameObjPtr) {
3875                 free(namebuf);
3876                 return JIM_ERR;
3877         }
3878
3879         Jim_IncrRefCount(nameObjPtr);
3880         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3881         Jim_DecrRefCount(interp, nameObjPtr);
3882         free(namebuf);
3883         if (valObjPtr == NULL)
3884                 return JIM_ERR;
3885
3886         result = Jim_GetLong(interp, valObjPtr, &l);
3887         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3888         *val = l;
3889         return result;
3890 }
3891
3892 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3893 {
3894         struct command_context *context;
3895         struct target *target;
3896
3897         context = current_command_context(interp);
3898         assert(context != NULL);
3899
3900         target = get_current_target(context);
3901         if (target == NULL) {
3902                 LOG_ERROR("array2mem: no current target");
3903                 return JIM_ERR;
3904         }
3905
3906         return target_array2mem(interp, target, argc-1, argv + 1);
3907 }
3908
3909 static int target_array2mem(Jim_Interp *interp, struct target *target,
3910                 int argc, Jim_Obj *const *argv)
3911 {
3912         long l;
3913         uint32_t width;
3914         int len;
3915         uint32_t addr;
3916         uint32_t count;
3917         uint32_t v;
3918         const char *varname;
3919         int  n, e, retval;
3920         uint32_t i;
3921
3922         /* argv[1] = name of array to get the data
3923          * argv[2] = desired width
3924          * argv[3] = memory address
3925          * argv[4] = count to write
3926          */
3927         if (argc != 4) {
3928                 Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems");
3929                 return JIM_ERR;
3930         }
3931         varname = Jim_GetString(argv[0], &len);
3932         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3933
3934         e = Jim_GetLong(interp, argv[1], &l);
3935         width = l;
3936         if (e != JIM_OK)
3937                 return e;
3938
3939         e = Jim_GetLong(interp, argv[2], &l);
3940         addr = l;
3941         if (e != JIM_OK)
3942                 return e;
3943         e = Jim_GetLong(interp, argv[3], &l);
3944         len = l;
3945         if (e != JIM_OK)
3946                 return e;
3947         switch (width) {
3948                 case 8:
3949                         width = 1;
3950                         break;
3951                 case 16:
3952                         width = 2;
3953                         break;
3954                 case 32:
3955                         width = 4;
3956                         break;
3957                 default:
3958                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3959                         Jim_AppendStrings(interp, Jim_GetResult(interp),
3960                                         "Invalid width param, must be 8/16/32", NULL);
3961                         return JIM_ERR;
3962         }
3963         if (len == 0) {
3964                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3965                 Jim_AppendStrings(interp, Jim_GetResult(interp),
3966                                 "array2mem: zero width read?", NULL);
3967                 return JIM_ERR;
3968         }
3969         if ((addr + (len * width)) < addr) {
3970                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3971                 Jim_AppendStrings(interp, Jim_GetResult(interp),
3972                                 "array2mem: addr + len - wraps to zero?", NULL);
3973                 return JIM_ERR;
3974         }
3975         /* absurd transfer size? */
3976         if (len > 65536) {
3977                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3978                 Jim_AppendStrings(interp, Jim_GetResult(interp),
3979                                 "array2mem: absurd > 64K item request", NULL);
3980                 return JIM_ERR;
3981         }
3982
3983         if ((width == 1) ||
3984                 ((width == 2) && ((addr & 1) == 0)) ||
3985                 ((width == 4) && ((addr & 3) == 0))) {
3986                 /* all is well */
3987         } else {
3988                 char buf[100];
3989                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3990                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3991                                 (unsigned int)addr,
3992                                 (int)width);
3993                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3994                 return JIM_ERR;
3995         }
3996
3997         /* Transfer loop */
3998
3999         /* index counter */
4000         n = 0;
4001         /* assume ok */
4002         e = JIM_OK;
4003
4004         size_t buffersize = 4096;
4005         uint8_t *buffer = malloc(buffersize);
4006         if (buffer == NULL)
4007                 return JIM_ERR;
4008
4009         while (len) {
4010                 /* Slurp... in buffer size chunks */
4011
4012                 count = len; /* in objects.. */
4013                 if (count > (buffersize / width))
4014                         count = (buffersize / width);
4015
4016                 v = 0; /* shut up gcc */
4017                 for (i = 0; i < count; i++, n++) {
4018                         get_int_array_element(interp, varname, n, &v);
4019                         switch (width) {
4020                         case 4:
4021                                 target_buffer_set_u32(target, &buffer[i * width], v);
4022                                 break;
4023                         case 2:
4024                                 target_buffer_set_u16(target, &buffer[i * width], v);
4025                                 break;
4026                         case 1:
4027                                 buffer[i] = v & 0x0ff;
4028                                 break;
4029                         }
4030                 }
4031                 len -= count;
4032
4033                 retval = target_write_memory(target, addr, width, count, buffer);
4034                 if (retval != ERROR_OK) {
4035                         /* BOO !*/
4036                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
4037                                           (unsigned int)addr,
4038                                           (int)width,
4039                                           (int)count);
4040                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4041                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
4042                         e = JIM_ERR;
4043                         break;
4044                 }
4045                 addr += count * width;
4046         }
4047
4048         free(buffer);
4049
4050         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4051
4052         return e;
4053 }
4054
4055 /* FIX? should we propagate errors here rather than printing them
4056  * and continuing?
4057  */
4058 void target_handle_event(struct target *target, enum target_event e)
4059 {
4060         struct target_event_action *teap;
4061
4062         for (teap = target->event_action; teap != NULL; teap = teap->next) {
4063                 if (teap->event == e) {
4064                         LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
4065                                            target->target_number,
4066                                            target_name(target),
4067                                            target_type_name(target),
4068                                            e,
4069                                            Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
4070                                            Jim_GetString(teap->body, NULL));
4071                         if (Jim_EvalObj(teap->interp, teap->body) != JIM_OK) {
4072                                 Jim_MakeErrorMessage(teap->interp);
4073                                 command_print(NULL, "%s\n", Jim_GetString(Jim_GetResult(teap->interp), NULL));
4074                         }
4075                 }
4076         }
4077 }
4078
4079 /**
4080  * Returns true only if the target has a handler for the specified event.
4081  */
4082 bool target_has_event_action(struct target *target, enum target_event event)
4083 {
4084         struct target_event_action *teap;
4085
4086         for (teap = target->event_action; teap != NULL; teap = teap->next) {
4087                 if (teap->event == event)
4088                         return true;
4089         }
4090         return false;
4091 }
4092
4093 enum target_cfg_param {
4094         TCFG_TYPE,
4095         TCFG_EVENT,
4096         TCFG_WORK_AREA_VIRT,
4097         TCFG_WORK_AREA_PHYS,
4098         TCFG_WORK_AREA_SIZE,
4099         TCFG_WORK_AREA_BACKUP,
4100         TCFG_ENDIAN,
4101         TCFG_VARIANT,
4102         TCFG_COREID,
4103         TCFG_CHAIN_POSITION,
4104         TCFG_DBGBASE,
4105         TCFG_RTOS,
4106 };
4107
4108 static Jim_Nvp nvp_config_opts[] = {
4109         { .name = "-type",             .value = TCFG_TYPE },
4110         { .name = "-event",            .value = TCFG_EVENT },
4111         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
4112         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
4113         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
4114         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
4115         { .name = "-endian" ,          .value = TCFG_ENDIAN },
4116         { .name = "-variant",          .value = TCFG_VARIANT },
4117         { .name = "-coreid",           .value = TCFG_COREID },
4118         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
4119         { .name = "-dbgbase",          .value = TCFG_DBGBASE },
4120         { .name = "-rtos",             .value = TCFG_RTOS },
4121         { .name = NULL, .value = -1 }
4122 };
4123
4124 static int target_configure(Jim_GetOptInfo *goi, struct target *target)
4125 {
4126         Jim_Nvp *n;
4127         Jim_Obj *o;
4128         jim_wide w;
4129         char *cp;
4130         int e;
4131
4132         /* parse config or cget options ... */
4133         while (goi->argc > 0) {
4134                 Jim_SetEmptyResult(goi->interp);
4135                 /* Jim_GetOpt_Debug(goi); */
4136
4137                 if (target->type->target_jim_configure) {
4138                         /* target defines a configure function */
4139                         /* target gets first dibs on parameters */
4140                         e = (*(target->type->target_jim_configure))(target, goi);
4141                         if (e == JIM_OK) {
4142                                 /* more? */
4143                                 continue;
4144                         }
4145                         if (e == JIM_ERR) {
4146                                 /* An error */
4147                                 return e;
4148                         }
4149                         /* otherwise we 'continue' below */
4150                 }
4151                 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
4152                 if (e != JIM_OK) {
4153                         Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
4154                         return e;
4155                 }
4156                 switch (n->value) {
4157                 case TCFG_TYPE:
4158                         /* not setable */
4159                         if (goi->isconfigure) {
4160                                 Jim_SetResultFormatted(goi->interp,
4161                                                 "not settable: %s", n->name);
4162                                 return JIM_ERR;
4163                         } else {
4164 no_params:
4165                                 if (goi->argc != 0) {
4166                                         Jim_WrongNumArgs(goi->interp,
4167                                                         goi->argc, goi->argv,
4168                                                         "NO PARAMS");
4169                                         return JIM_ERR;
4170                                 }
4171                         }
4172                         Jim_SetResultString(goi->interp,
4173                                         target_type_name(target), -1);
4174                         /* loop for more */
4175                         break;
4176                 case TCFG_EVENT:
4177                         if (goi->argc == 0) {
4178                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
4179                                 return JIM_ERR;
4180                         }
4181
4182                         e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
4183                         if (e != JIM_OK) {
4184                                 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
4185                                 return e;
4186                         }
4187
4188                         if (goi->isconfigure) {
4189                                 if (goi->argc != 1) {
4190                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
4191                                         return JIM_ERR;
4192                                 }
4193                         } else {
4194                                 if (goi->argc != 0) {
4195                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
4196                                         return JIM_ERR;
4197                                 }
4198                         }
4199
4200                         {
4201                                 struct target_event_action *teap;
4202
4203                                 teap = target->event_action;
4204                                 /* replace existing? */
4205                                 while (teap) {
4206                                         if (teap->event == (enum target_event)n->value)
4207                                                 break;
4208                                         teap = teap->next;
4209                                 }
4210
4211                                 if (goi->isconfigure) {
4212                                         bool replace = true;
4213                                         if (teap == NULL) {
4214                                                 /* create new */
4215                                                 teap = calloc(1, sizeof(*teap));
4216                                                 replace = false;
4217                                         }
4218                                         teap->event = n->value;
4219                                         teap->interp = goi->interp;
4220                                         Jim_GetOpt_Obj(goi, &o);
4221                                         if (teap->body)
4222                                                 Jim_DecrRefCount(teap->interp, teap->body);
4223                                         teap->body  = Jim_DuplicateObj(goi->interp, o);
4224                                         /*
4225                                          * FIXME:
4226                                          *     Tcl/TK - "tk events" have a nice feature.
4227                                          *     See the "BIND" command.
4228                                          *    We should support that here.
4229                                          *     You can specify %X and %Y in the event code.
4230                                          *     The idea is: %T - target name.
4231                                          *     The idea is: %N - target number
4232                                          *     The idea is: %E - event name.
4233                                          */
4234                                         Jim_IncrRefCount(teap->body);
4235
4236                                         if (!replace) {
4237                                                 /* add to head of event list */
4238                                                 teap->next = target->event_action;
4239                                                 target->event_action = teap;
4240                                         }
4241                                         Jim_SetEmptyResult(goi->interp);
4242                                 } else {
4243                                         /* get */
4244                                         if (teap == NULL)
4245                                                 Jim_SetEmptyResult(goi->interp);
4246                                         else
4247                                                 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
4248                                 }
4249                         }
4250                         /* loop for more */
4251                         break;
4252
4253                 case TCFG_WORK_AREA_VIRT:
4254                         if (goi->isconfigure) {
4255                                 target_free_all_working_areas(target);
4256                                 e = Jim_GetOpt_Wide(goi, &w);
4257                                 if (e != JIM_OK)
4258                                         return e;
4259                                 target->working_area_virt = w;
4260                                 target->working_area_virt_spec = true;
4261                         } else {
4262                                 if (goi->argc != 0)
4263                                         goto no_params;
4264                         }
4265                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
4266                         /* loop for more */
4267                         break;
4268
4269                 case TCFG_WORK_AREA_PHYS:
4270                         if (goi->isconfigure) {
4271                                 target_free_all_working_areas(target);
4272                                 e = Jim_GetOpt_Wide(goi, &w);
4273                                 if (e != JIM_OK)
4274                                         return e;
4275                                 target->working_area_phys = w;
4276                                 target->working_area_phys_spec = true;
4277                         } else {
4278                                 if (goi->argc != 0)
4279                                         goto no_params;
4280                         }
4281                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
4282                         /* loop for more */
4283                         break;
4284
4285                 case TCFG_WORK_AREA_SIZE:
4286                         if (goi->isconfigure) {
4287                                 target_free_all_working_areas(target);
4288                                 e = Jim_GetOpt_Wide(goi, &w);
4289                                 if (e != JIM_OK)
4290                                         return e;
4291                                 target->working_area_size = w;
4292                         } else {
4293                                 if (goi->argc != 0)
4294                                         goto no_params;
4295                         }
4296                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_size));
4297                         /* loop for more */
4298                         break;
4299
4300                 case TCFG_WORK_AREA_BACKUP:
4301                         if (goi->isconfigure) {
4302                                 target_free_all_working_areas(target);
4303                                 e = Jim_GetOpt_Wide(goi, &w);
4304                                 if (e != JIM_OK)
4305                                         return e;
4306                                 /* make this exactly 1 or 0 */
4307                                 target->backup_working_area = (!!w);
4308                         } else {
4309                                 if (goi->argc != 0)
4310                                         goto no_params;
4311                         }
4312                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
4313                         /* loop for more e*/
4314                         break;
4315
4316
4317                 case TCFG_ENDIAN:
4318                         if (goi->isconfigure) {
4319                                 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
4320                                 if (e != JIM_OK) {
4321                                         Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
4322                                         return e;
4323                                 }
4324                                 target->endianness = n->value;
4325                         } else {
4326                                 if (goi->argc != 0)
4327                                         goto no_params;
4328                         }
4329                         n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
4330                         if (n->name == NULL) {
4331                                 target->endianness = TARGET_LITTLE_ENDIAN;
4332                                 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
4333                         }
4334                         Jim_SetResultString(goi->interp, n->name, -1);
4335                         /* loop for more */
4336                         break;
4337
4338                 case TCFG_VARIANT:
4339                         if (goi->isconfigure) {
4340                                 if (goi->argc < 1) {
4341                                         Jim_SetResultFormatted(goi->interp,
4342                                                                                    "%s ?STRING?",
4343                                                                                    n->name);
4344                                         return JIM_ERR;
4345                                 }
4346                                 e = Jim_GetOpt_String(goi, &cp, NULL);
4347                                 if (e != JIM_OK)
4348                                         return e;
4349                                 free(target->variant);
4350                                 target->variant = strdup(cp);
4351                         } else {
4352                                 if (goi->argc != 0)
4353                                         goto no_params;
4354                         }
4355                         Jim_SetResultString(goi->interp, target->variant, -1);
4356                         /* loop for more */
4357                         break;
4358
4359                 case TCFG_COREID:
4360                         if (goi->isconfigure) {
4361                                 e = Jim_GetOpt_Wide(goi, &w);
4362                                 if (e != JIM_OK)
4363                                         return e;
4364                                 target->coreid = (int32_t)w;
4365                         } else {
4366                                 if (goi->argc != 0)
4367                                         goto no_params;
4368                         }
4369                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_size));
4370                         /* loop for more */
4371                         break;
4372
4373                 case TCFG_CHAIN_POSITION:
4374                         if (goi->isconfigure) {
4375                                 Jim_Obj *o_t;
4376                                 struct jtag_tap *tap;
4377                                 target_free_all_working_areas(target);
4378                                 e = Jim_GetOpt_Obj(goi, &o_t);
4379                                 if (e != JIM_OK)
4380                                         return e;
4381                                 tap = jtag_tap_by_jim_obj(goi->interp, o_t);
4382                                 if (tap == NULL)
4383                                         return JIM_ERR;
4384                                 /* make this exactly 1 or 0 */
4385                                 target->tap = tap;
4386                         } else {
4387                                 if (goi->argc != 0)
4388                                         goto no_params;
4389                         }
4390                         Jim_SetResultString(goi->interp, target->tap->dotted_name, -1);
4391                         /* loop for more e*/
4392                         break;
4393                 case TCFG_DBGBASE:
4394                         if (goi->isconfigure) {
4395                                 e = Jim_GetOpt_Wide(goi, &w);
4396                                 if (e != JIM_OK)
4397                                         return e;
4398                                 target->dbgbase = (uint32_t)w;
4399                                 target->dbgbase_set = true;
4400                         } else {
4401                                 if (goi->argc != 0)
4402                                         goto no_params;
4403                         }
4404                         Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->dbgbase));
4405                         /* loop for more */
4406                         break;
4407
4408                 case TCFG_RTOS:
4409                         /* RTOS */
4410                         {
4411                                 int result = rtos_create(goi, target);
4412                                 if (result != JIM_OK)
4413                                         return result;
4414                         }
4415                         /* loop for more */
4416                         break;
4417                 }
4418         } /* while (goi->argc) */
4419
4420
4421                 /* done - we return */
4422         return JIM_OK;
4423 }
4424
4425 static int jim_target_configure(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
4426 {
4427         Jim_GetOptInfo goi;
4428
4429         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4430         goi.isconfigure = !strcmp(Jim_GetString(argv[0], NULL), "configure");
4431         int need_args = 1 + goi.isconfigure;
4432         if (goi.argc < need_args) {
4433                 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
4434                         goi.isconfigure
4435                                 ? "missing: -option VALUE ..."
4436                                 : "missing: -option ...");
4437                 return JIM_ERR;
4438         }
4439         struct target *target = Jim_CmdPrivData(goi.interp);
4440         return target_configure(&goi, target);
4441 }
4442
4443 static int jim_target_mw(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4444 {
4445         const char *cmd_name = Jim_GetString(argv[0], NULL);
4446
4447         Jim_GetOptInfo goi;
4448         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4449
4450         if (goi.argc < 2 || goi.argc > 4) {
4451                 Jim_SetResultFormatted(goi.interp,
4452                                 "usage: %s [phys] <address> <data> [<count>]", cmd_name);
4453                 return JIM_ERR;
4454         }
4455
4456         target_write_fn fn;
4457         fn = target_write_memory;
4458
4459         int e;
4460         if (strcmp(Jim_GetString(argv[1], NULL), "phys") == 0) {
4461                 /* consume it */
4462                 struct Jim_Obj *obj;
4463                 e = Jim_GetOpt_Obj(&goi, &obj);
4464                 if (e != JIM_OK)
4465                         return e;
4466
4467                 fn = target_write_phys_memory;
4468         }
4469
4470         jim_wide a;
4471         e = Jim_GetOpt_Wide(&goi, &a);
4472         if (e != JIM_OK)
4473                 return e;
4474
4475         jim_wide b;
4476         e = Jim_GetOpt_Wide(&goi, &b);
4477         if (e != JIM_OK)
4478                 return e;
4479
4480         jim_wide c = 1;
4481         if (goi.argc == 1) {
4482                 e = Jim_GetOpt_Wide(&goi, &c);
4483                 if (e != JIM_OK)
4484                         return e;
4485         }
4486
4487         /* all args must be consumed */
4488         if (goi.argc != 0)
4489                 return JIM_ERR;
4490
4491         struct target *target = Jim_CmdPrivData(goi.interp);
4492         unsigned data_size;
4493         if (strcasecmp(cmd_name, "mww") == 0)
4494                 data_size = 4;
4495         else if (strcasecmp(cmd_name, "mwh") == 0)
4496                 data_size = 2;
4497         else if (strcasecmp(cmd_name, "mwb") == 0)
4498                 data_size = 1;
4499         else {
4500                 LOG_ERROR("command '%s' unknown: ", cmd_name);
4501                 return JIM_ERR;
4502         }
4503
4504         return (target_fill_mem(target, a, fn, data_size, b, c) == ERROR_OK) ? JIM_OK : JIM_ERR;
4505 }
4506
4507 /**
4508 *  @brief Reads an array of words/halfwords/bytes from target memory starting at specified address.
4509 *
4510 *  Usage: mdw [phys] <address> [<count>] - for 32 bit reads
4511 *         mdh [phys] <address> [<count>] - for 16 bit reads
4512 *         mdb [phys] <address> [<count>] - for  8 bit reads
4513 *
4514 *  Count defaults to 1.
4515 *
4516 *  Calls target_read_memory or target_read_phys_memory depending on
4517 *  the presence of the "phys" argument
4518 *  Reads the target memory in blocks of max. 32 bytes, and returns an array of ints formatted
4519 *  to int representation in base16.
4520 *  Also outputs read data in a human readable form using command_print
4521 *
4522 *  @param phys if present target_read_phys_memory will be used instead of target_read_memory
4523 *  @param address address where to start the read. May be specified in decimal or hex using the standard "0x" prefix
4524 *  @param count optional count parameter to read an array of values. If not specified, defaults to 1.
4525 *  @returns:  JIM_ERR on error or JIM_OK on success and sets the result string to an array of ascii formatted numbers
4526 *  on success, with [<count>] number of elements.
4527 *
4528 *  In case of little endian target:
4529 *      Example1: "mdw 0x00000000"  returns "10123456"
4530 *      Exmaple2: "mdh 0x00000000 1" returns "3456"
4531 *      Example3: "mdb 0x00000000" returns "56"
4532 *      Example4: "mdh 0x00000000 2" returns "3456 1012"
4533 *      Example5: "mdb 0x00000000 3" returns "56 34 12"
4534 **/
4535 static int jim_target_md(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4536 {
4537         const char *cmd_name = Jim_GetString(argv[0], NULL);
4538
4539         Jim_GetOptInfo goi;
4540         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4541
4542         if ((goi.argc < 1) || (goi.argc > 3)) {
4543                 Jim_SetResultFormatted(goi.interp,
4544                                 "usage: %s [phys] <address> [<count>]", cmd_name);
4545                 return JIM_ERR;
4546         }
4547
4548         int (*fn)(struct target *target,
4549                         uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
4550         fn = target_read_memory;
4551
4552         int e;
4553         if (strcmp(Jim_GetString(argv[1], NULL), "phys") == 0) {
4554                 /* consume it */
4555                 struct Jim_Obj *obj;
4556                 e = Jim_GetOpt_Obj(&goi, &obj);
4557                 if (e != JIM_OK)
4558                         return e;
4559
4560                 fn = target_read_phys_memory;
4561         }
4562
4563         /* Read address parameter */
4564         jim_wide addr;
4565         e = Jim_GetOpt_Wide(&goi, &addr);
4566         if (e != JIM_OK)
4567                 return JIM_ERR;
4568
4569         /* If next parameter exists, read it out as the count parameter, if not, set it to 1 (default) */
4570         jim_wide count;
4571         if (goi.argc == 1) {
4572                 e = Jim_GetOpt_Wide(&goi, &count);
4573                 if (e != JIM_OK)
4574                         return JIM_ERR;
4575         } else
4576                 count = 1;
4577
4578         /* all args must be consumed */
4579         if (goi.argc != 0)
4580                 return JIM_ERR;
4581
4582         jim_wide dwidth = 1; /* shut up gcc */
4583         if (strcasecmp(cmd_name, "mdw") == 0)
4584                 dwidth = 4;
4585         else if (strcasecmp(cmd_name, "mdh") == 0)
4586                 dwidth = 2;
4587         else if (strcasecmp(cmd_name, "mdb") == 0)
4588                 dwidth = 1;
4589         else {
4590                 LOG_ERROR("command '%s' unknown: ", cmd_name);
4591                 return JIM_ERR;
4592         }
4593
4594         /* convert count to "bytes" */
4595         int bytes = count * dwidth;
4596
4597         struct target *target = Jim_CmdPrivData(goi.interp);
4598         uint8_t  target_buf[32];
4599         jim_wide x, y, z;
4600         while (bytes > 0) {
4601                 y = (bytes < 16) ? bytes : 16; /* y = min(bytes, 16); */
4602
4603                 /* Try to read out next block */
4604                 e = fn(target, addr, dwidth, y / dwidth, target_buf);
4605
4606                 if (e != ERROR_OK) {
4607                         Jim_SetResultFormatted(interp, "error reading target @ 0x%08lx", (long)addr);
4608                         return JIM_ERR;
4609                 }
4610
4611                 command_print_sameline(NULL, "0x%08x ", (int)(addr));
4612                 switch (dwidth) {
4613                 case 4:
4614                         for (x = 0; x < 16 && x < y; x += 4) {
4615                                 z = target_buffer_get_u32(target, &(target_buf[x]));
4616                                 command_print_sameline(NULL, "%08x ", (int)(z));
4617                         }
4618                         for (; (x < 16) ; x += 4)
4619                                 command_print_sameline(NULL, "         ");
4620                         break;
4621                 case 2:
4622                         for (x = 0; x < 16 && x < y; x += 2) {
4623                                 z = target_buffer_get_u16(target, &(target_buf[x]));
4624                                 command_print_sameline(NULL, "%04x ", (int)(z));
4625                         }
4626                         for (; (x < 16) ; x += 2)
4627                                 command_print_sameline(NULL, "     ");
4628                         break;
4629                 case 1:
4630                 default:
4631                         for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4632                                 z = target_buffer_get_u8(target, &(target_buf[x]));
4633                                 command_print_sameline(NULL, "%02x ", (int)(z));
4634                         }
4635                         for (; (x < 16) ; x += 1)
4636                                 command_print_sameline(NULL, "   ");
4637                         break;
4638                 }
4639                 /* ascii-ify the bytes */
4640                 for (x = 0 ; x < y ; x++) {
4641                         if ((target_buf[x] >= 0x20) &&
4642                                 (target_buf[x] <= 0x7e)) {
4643                                 /* good */
4644                         } else {
4645                                 /* smack it */
4646                                 target_buf[x] = '.';
4647                         }
4648                 }
4649                 /* space pad  */
4650                 while (x < 16) {
4651                         target_buf[x] = ' ';
4652                         x++;
4653                 }
4654                 /* terminate */
4655                 target_buf[16] = 0;
4656                 /* print - with a newline */
4657                 command_print_sameline(NULL, "%s\n", target_buf);
4658                 /* NEXT... */
4659                 bytes -= 16;
4660                 addr += 16;
4661         }
4662         return JIM_OK;
4663 }
4664
4665 static int jim_target_mem2array(Jim_Interp *interp,
4666                 int argc, Jim_Obj *const *argv)
4667 {
4668         struct target *target = Jim_CmdPrivData(interp);
4669         return target_mem2array(interp, target, argc - 1, argv + 1);
4670 }
4671
4672 static int jim_target_array2mem(Jim_Interp *interp,
4673                 int argc, Jim_Obj *const *argv)
4674 {
4675         struct target *target = Jim_CmdPrivData(interp);
4676         return target_array2mem(interp, target, argc - 1, argv + 1);
4677 }
4678
4679 static int jim_target_tap_disabled(Jim_Interp *interp)
4680 {
4681         Jim_SetResultFormatted(interp, "[TAP is disabled]");
4682         return JIM_ERR;
4683 }
4684
4685 static int jim_target_examine(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4686 {
4687         if (argc != 1) {
4688                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4689                 return JIM_ERR;
4690         }
4691         struct target *target = Jim_CmdPrivData(interp);
4692         if (!target->tap->enabled)
4693                 return jim_target_tap_disabled(interp);
4694
4695         int e = target->type->examine(target);
4696         if (e != ERROR_OK)
4697                 return JIM_ERR;
4698         return JIM_OK;
4699 }
4700
4701 static int jim_target_halt_gdb(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4702 {
4703         if (argc != 1) {
4704                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4705                 return JIM_ERR;
4706         }
4707         struct target *target = Jim_CmdPrivData(interp);
4708
4709         if (target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT) != ERROR_OK)
4710                 return JIM_ERR;
4711
4712         return JIM_OK;
4713 }
4714
4715 static int jim_target_poll(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4716 {
4717         if (argc != 1) {
4718                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4719                 return JIM_ERR;
4720         }
4721         struct target *target = Jim_CmdPrivData(interp);
4722         if (!target->tap->enabled)
4723                 return jim_target_tap_disabled(interp);
4724
4725         int e;
4726         if (!(target_was_examined(target)))
4727                 e = ERROR_TARGET_NOT_EXAMINED;
4728         else
4729                 e = target->type->poll(target);
4730         if (e != ERROR_OK)
4731                 return JIM_ERR;
4732         return JIM_OK;
4733 }
4734
4735 static int jim_target_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4736 {
4737         Jim_GetOptInfo goi;
4738         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4739
4740         if (goi.argc != 2) {
4741                 Jim_WrongNumArgs(interp, 0, argv,
4742                                 "([tT]|[fF]|assert|deassert) BOOL");
4743                 return JIM_ERR;
4744         }
4745
4746         Jim_Nvp *n;
4747         int e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4748         if (e != JIM_OK) {
4749                 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4750                 return e;
4751         }
4752         /* the halt or not param */
4753         jim_wide a;
4754         e = Jim_GetOpt_Wide(&goi, &a);
4755         if (e != JIM_OK)
4756                 return e;
4757
4758         struct target *target = Jim_CmdPrivData(goi.interp);
4759         if (!target->tap->enabled)
4760                 return jim_target_tap_disabled(interp);
4761         if (!(target_was_examined(target))) {
4762                 LOG_ERROR("Target not examined yet");
4763                 return ERROR_TARGET_NOT_EXAMINED;
4764         }
4765         if (!target->type->assert_reset || !target->type->deassert_reset) {
4766                 Jim_SetResultFormatted(interp,
4767                                 "No target-specific reset for %s",
4768                                 target_name(target));
4769                 return JIM_ERR;
4770         }
4771         /* determine if we should halt or not. */
4772         target->reset_halt = !!a;
4773         /* When this happens - all workareas are invalid. */
4774         target_free_all_working_areas_restore(target, 0);
4775
4776         /* do the assert */
4777         if (n->value == NVP_ASSERT)
4778                 e = target->type->assert_reset(target);
4779         else
4780                 e = target->type->deassert_reset(target);
4781         return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4782 }
4783
4784 static int jim_target_halt(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4785 {
4786         if (argc != 1) {
4787                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4788                 return JIM_ERR;
4789         }
4790         struct target *target = Jim_CmdPrivData(interp);
4791         if (!target->tap->enabled)
4792                 return jim_target_tap_disabled(interp);
4793         int e = target->type->halt(target);
4794         return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4795 }
4796
4797 static int jim_target_wait_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4798 {
4799         Jim_GetOptInfo goi;
4800         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4801
4802         /* params:  <name>  statename timeoutmsecs */
4803         if (goi.argc != 2) {
4804                 const char *cmd_name = Jim_GetString(argv[0], NULL);
4805                 Jim_SetResultFormatted(goi.interp,
4806                                 "%s <state_name> <timeout_in_msec>", cmd_name);
4807                 return JIM_ERR;
4808         }
4809
4810         Jim_Nvp *n;
4811         int e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4812         if (e != JIM_OK) {
4813                 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state, 1);
4814                 return e;
4815         }
4816         jim_wide a;
4817         e = Jim_GetOpt_Wide(&goi, &a);
4818         if (e != JIM_OK)
4819                 return e;
4820         struct target *target = Jim_CmdPrivData(interp);
4821         if (!target->tap->enabled)
4822                 return jim_target_tap_disabled(interp);
4823
4824         e = target_wait_state(target, n->value, a);
4825         if (e != ERROR_OK) {
4826                 Jim_Obj *eObj = Jim_NewIntObj(interp, e);
4827                 Jim_SetResultFormatted(goi.interp,
4828                                 "target: %s wait %s fails (%#s) %s",
4829                                 target_name(target), n->name,
4830                                 eObj, target_strerror_safe(e));
4831                 Jim_FreeNewObj(interp, eObj);
4832                 return JIM_ERR;
4833         }
4834         return JIM_OK;
4835 }
4836 /* List for human, Events defined for this target.
4837  * scripts/programs should use 'name cget -event NAME'
4838  */
4839 static int jim_target_event_list(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4840 {
4841         struct command_context *cmd_ctx = current_command_context(interp);
4842         assert(cmd_ctx != NULL);
4843
4844         struct target *target = Jim_CmdPrivData(interp);
4845         struct target_event_action *teap = target->event_action;
4846         command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4847                                    target->target_number,
4848                                    target_name(target));
4849         command_print(cmd_ctx, "%-25s | Body", "Event");
4850         command_print(cmd_ctx, "------------------------- | "
4851                         "----------------------------------------");
4852         while (teap) {
4853                 Jim_Nvp *opt = Jim_Nvp_value2name_simple(nvp_target_event, teap->event);
4854                 command_print(cmd_ctx, "%-25s | %s",
4855                                 opt->name, Jim_GetString(teap->body, NULL));
4856                 teap = teap->next;
4857         }
4858         command_print(cmd_ctx, "***END***");
4859         return JIM_OK;
4860 }
4861 static int jim_target_current_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4862 {
4863         if (argc != 1) {
4864                 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4865                 return JIM_ERR;
4866         }
4867         struct target *target = Jim_CmdPrivData(interp);
4868         Jim_SetResultString(interp, target_state_name(target), -1);
4869         return JIM_OK;
4870 }
4871 static int jim_target_invoke_event(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4872 {
4873         Jim_GetOptInfo goi;
4874         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4875         if (goi.argc != 1) {
4876                 const char *cmd_name = Jim_GetString(argv[0], NULL);
4877                 Jim_SetResultFormatted(goi.interp, "%s <eventname>", cmd_name);
4878                 return JIM_ERR;
4879         }
4880         Jim_Nvp *n;
4881         int e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4882         if (e != JIM_OK) {
4883                 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4884                 return e;
4885         }
4886         struct target *target = Jim_CmdPrivData(interp);
4887         target_handle_event(target, n->value);
4888         return JIM_OK;
4889 }
4890
4891 static const struct command_registration target_instance_command_handlers[] = {
4892         {
4893                 .name = "configure",
4894                 .mode = COMMAND_CONFIG,
4895                 .jim_handler = jim_target_configure,
4896                 .help  = "configure a new target for use",
4897                 .usage = "[target_attribute ...]",
4898         },
4899         {
4900                 .name = "cget",
4901                 .mode = COMMAND_ANY,
4902                 .jim_handler = jim_target_configure,
4903                 .help  = "returns the specified target attribute",
4904                 .usage = "target_attribute",
4905         },
4906         {
4907                 .name = "mww",
4908                 .mode = COMMAND_EXEC,
4909                 .jim_handler = jim_target_mw,
4910                 .help = "Write 32-bit word(s) to target memory",
4911                 .usage = "address data [count]",
4912         },
4913         {
4914                 .name = "mwh",
4915                 .mode = COMMAND_EXEC,
4916                 .jim_handler = jim_target_mw,
4917                 .help = "Write 16-bit half-word(s) to target memory",
4918                 .usage = "address data [count]",
4919         },
4920         {
4921                 .name = "mwb",
4922                 .mode = COMMAND_EXEC,
4923                 .jim_handler = jim_target_mw,
4924                 .help = "Write byte(s) to target memory",
4925                 .usage = "address data [count]",
4926         },
4927         {
4928                 .name = "mdw",
4929                 .mode = COMMAND_EXEC,
4930                 .jim_handler = jim_target_md,
4931                 .help = "Display target memory as 32-bit words",
4932                 .usage = "address [count]",
4933         },
4934         {
4935                 .name = "mdh",
4936                 .mode = COMMAND_EXEC,
4937                 .jim_handler = jim_target_md,
4938                 .help = "Display target memory as 16-bit half-words",
4939                 .usage = "address [count]",
4940         },
4941         {
4942                 .name = "mdb",
4943                 .mode = COMMAND_EXEC,
4944                 .jim_handler = jim_target_md,
4945                 .help = "Display target memory as 8-bit bytes",
4946                 .usage = "address [count]",
4947         },
4948         {
4949                 .name = "array2mem",
4950                 .mode = COMMAND_EXEC,
4951                 .jim_handler = jim_target_array2mem,
4952                 .help = "Writes Tcl array of 8/16/32 bit numbers "
4953                         "to target memory",
4954                 .usage = "arrayname bitwidth address count",
4955         },
4956         {
4957                 .name = "mem2array",
4958                 .mode = COMMAND_EXEC,
4959                 .jim_handler = jim_target_mem2array,
4960                 .help = "Loads Tcl array of 8/16/32 bit numbers "
4961                         "from target memory",
4962                 .usage = "arrayname bitwidth address count",
4963         },
4964         {
4965                 .name = "eventlist",
4966                 .mode = COMMAND_EXEC,
4967                 .jim_handler = jim_target_event_list,
4968                 .help = "displays a table of events defined for this target",
4969         },
4970         {
4971                 .name = "curstate",
4972                 .mode = COMMAND_EXEC,
4973                 .jim_handler = jim_target_current_state,
4974                 .help = "displays the current state of this target",
4975         },
4976         {
4977                 .name = "arp_examine",
4978                 .mode = COMMAND_EXEC,
4979                 .jim_handler = jim_target_examine,
4980                 .help = "used internally for reset processing",
4981         },
4982         {
4983                 .name = "arp_halt_gdb",
4984                 .mode = COMMAND_EXEC,
4985                 .jim_handler = jim_target_halt_gdb,
4986                 .help = "used internally for reset processing to halt GDB",
4987         },
4988         {
4989                 .name = "arp_poll",
4990                 .mode = COMMAND_EXEC,
4991                 .jim_handler = jim_target_poll,
4992                 .help = "used internally for reset processing",
4993         },
4994         {
4995                 .name = "arp_reset",
4996                 .mode = COMMAND_EXEC,
4997                 .jim_handler = jim_target_reset,
4998                 .help = "used internally for reset processing",
4999         },
5000         {
5001                 .name = "arp_halt",
5002                 .mode = COMMAND_EXEC,
5003                 .jim_handler = jim_target_halt,
5004                 .help = "used internally for reset processing",
5005         },
5006         {
5007                 .name = "arp_waitstate",
5008                 .mode = COMMAND_EXEC,
5009                 .jim_handler = jim_target_wait_state,
5010                 .help = "used internally for reset processing",
5011         },
5012         {
5013                 .name = "invoke-event",
5014                 .mode = COMMAND_EXEC,
5015                 .jim_handler = jim_target_invoke_event,
5016                 .help = "invoke handler for specified event",
5017                 .usage = "event_name",
5018         },
5019         COMMAND_REGISTRATION_DONE
5020 };
5021
5022 static int target_create(Jim_GetOptInfo *goi)
5023 {
5024         Jim_Obj *new_cmd;
5025         Jim_Cmd *cmd;
5026         const char *cp;
5027         char *cp2;
5028         int e;
5029         int x;
5030         struct target *target;
5031         struct command_context *cmd_ctx;
5032
5033         cmd_ctx = current_command_context(goi->interp);
5034         assert(cmd_ctx != NULL);
5035
5036         if (goi->argc < 3) {
5037                 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
5038                 return JIM_ERR;
5039         }
5040
5041         /* COMMAND */
5042         Jim_GetOpt_Obj(goi, &new_cmd);
5043         /* does this command exist? */
5044         cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
5045         if (cmd) {
5046                 cp = Jim_GetString(new_cmd, NULL);
5047                 Jim_SetResultFormatted(goi->interp, "Command/target: %s Exists", cp);
5048                 return JIM_ERR;
5049         }
5050
5051         /* TYPE */
5052         e = Jim_GetOpt_String(goi, &cp2, NULL);
5053         if (e != JIM_OK)
5054                 return e;
5055         cp = cp2;
5056         /* now does target type exist */
5057         for (x = 0 ; target_types[x] ; x++) {
5058                 if (0 == strcmp(cp, target_types[x]->name)) {
5059                         /* found */
5060                         break;
5061                 }
5062
5063                 /* check for deprecated name */
5064                 if (target_types[x]->deprecated_name) {
5065                         if (0 == strcmp(cp, target_types[x]->deprecated_name)) {
5066                                 /* found */
5067                                 LOG_WARNING("target name is deprecated use: \'%s\'", target_types[x]->name);
5068                                 break;
5069                         }
5070                 }
5071         }
5072         if (target_types[x] == NULL) {
5073                 Jim_SetResultFormatted(goi->interp, "Unknown target type %s, try one of ", cp);
5074                 for (x = 0 ; target_types[x] ; x++) {
5075                         if (target_types[x + 1]) {
5076                                 Jim_AppendStrings(goi->interp,
5077                                                                    Jim_GetResult(goi->interp),
5078                                                                    target_types[x]->name,
5079                                                                    ", ", NULL);
5080                         } else {
5081                                 Jim_AppendStrings(goi->interp,
5082                                                                    Jim_GetResult(goi->interp),
5083                                                                    " or ",
5084                                                                    target_types[x]->name, NULL);
5085                         }
5086                 }
5087                 return JIM_ERR;
5088         }
5089
5090         /* Create it */
5091         target = calloc(1, sizeof(struct target));
5092         /* set target number */
5093         target->target_number = new_target_number();
5094
5095         /* allocate memory for each unique target type */
5096         target->type = (struct target_type *)calloc(1, sizeof(struct target_type));
5097
5098         memcpy(target->type, target_types[x], sizeof(struct target_type));
5099
5100         /* will be set by "-endian" */
5101         target->endianness = TARGET_ENDIAN_UNKNOWN;
5102
5103         /* default to first core, override with -coreid */
5104         target->coreid = 0;
5105
5106         target->working_area        = 0x0;
5107         target->working_area_size   = 0x0;
5108         target->working_areas       = NULL;
5109         target->backup_working_area = 0;
5110
5111         target->state               = TARGET_UNKNOWN;
5112         target->debug_reason        = DBG_REASON_UNDEFINED;
5113         target->reg_cache           = NULL;
5114         target->breakpoints         = NULL;
5115         target->watchpoints         = NULL;
5116         target->next                = NULL;
5117         target->arch_info           = NULL;
5118
5119         target->display             = 1;
5120
5121         target->halt_issued                     = false;
5122
5123         /* initialize trace information */
5124         target->trace_info = malloc(sizeof(struct trace));
5125         target->trace_info->num_trace_points         = 0;
5126         target->trace_info->trace_points_size        = 0;
5127         target->trace_info->trace_points             = NULL;
5128         target->trace_info->trace_history_size       = 0;
5129         target->trace_info->trace_history            = NULL;
5130         target->trace_info->trace_history_pos        = 0;
5131         target->trace_info->trace_history_overflowed = 0;
5132
5133         target->dbgmsg          = NULL;
5134         target->dbg_msg_enabled = 0;
5135
5136         target->endianness = TARGET_ENDIAN_UNKNOWN;
5137
5138         target->rtos = NULL;
5139         target->rtos_auto_detect = false;
5140
5141         /* Do the rest as "configure" options */
5142         goi->isconfigure = 1;
5143         e = target_configure(goi, target);
5144
5145         if (target->tap == NULL) {
5146                 Jim_SetResultString(goi->interp, "-chain-position required when creating target", -1);
5147                 e = JIM_ERR;
5148         }
5149
5150         if (e != JIM_OK) {
5151                 free(target->type);
5152                 free(target);
5153                 return e;
5154         }
5155
5156         if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
5157                 /* default endian to little if not specified */
5158                 target->endianness = TARGET_LITTLE_ENDIAN;
5159         }
5160
5161         /* incase variant is not set */
5162         if (!target->variant)
5163                 target->variant = strdup("");
5164
5165         cp = Jim_GetString(new_cmd, NULL);
5166         target->cmd_name = strdup(cp);
5167
5168         /* create the target specific commands */
5169         if (target->type->commands) {
5170                 e = register_commands(cmd_ctx, NULL, target->type->commands);
5171                 if (ERROR_OK != e)
5172                         LOG_ERROR("unable to register '%s' commands", cp);
5173         }
5174         if (target->type->target_create)
5175                 (*(target->type->target_create))(target, goi->interp);
5176
5177         /* append to end of list */
5178         {
5179                 struct target **tpp;
5180                 tpp = &(all_targets);
5181                 while (*tpp)
5182                         tpp = &((*tpp)->next);
5183                 *tpp = target;
5184         }
5185
5186         /* now - create the new target name command */
5187         const struct command_registration target_subcommands[] = {
5188                 {
5189                         .chain = target_instance_command_handlers,
5190                 },
5191                 {
5192                         .chain = target->type->commands,
5193                 },
5194                 COMMAND_REGISTRATION_DONE
5195         };
5196         const struct command_registration target_commands[] = {
5197                 {
5198                         .name = cp,
5199                         .mode = COMMAND_ANY,
5200                         .help = "target command group",
5201                         .usage = "",
5202                         .chain = target_subcommands,
5203                 },
5204                 COMMAND_REGISTRATION_DONE
5205         };
5206         e = register_commands(cmd_ctx, NULL, target_commands);
5207         if (ERROR_OK != e)
5208                 return JIM_ERR;
5209
5210         struct command *c = command_find_in_context(cmd_ctx, cp);
5211         assert(c);
5212         command_set_handler_data(c, target);
5213
5214         return (ERROR_OK == e) ? JIM_OK : JIM_ERR;
5215 }
5216
5217 static int jim_target_current(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5218 {
5219         if (argc != 1) {
5220                 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5221                 return JIM_ERR;
5222         }
5223         struct command_context *cmd_ctx = current_command_context(interp);
5224         assert(cmd_ctx != NULL);
5225
5226         Jim_SetResultString(interp, target_name(get_current_target(cmd_ctx)), -1);
5227         return JIM_OK;
5228 }
5229
5230 static int jim_target_types(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5231 {
5232         if (argc != 1) {
5233                 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5234                 return JIM_ERR;
5235         }
5236         Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
5237         for (unsigned x = 0; NULL != target_types[x]; x++) {
5238                 Jim_ListAppendElement(interp, Jim_GetResult(interp),
5239                         Jim_NewStringObj(interp, target_types[x]->name, -1));
5240         }
5241         return JIM_OK;
5242 }
5243
5244 static int jim_target_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5245 {
5246         if (argc != 1) {
5247                 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5248                 return JIM_ERR;
5249         }
5250         Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
5251         struct target *target = all_targets;
5252         while (target) {
5253                 Jim_ListAppendElement(interp, Jim_GetResult(interp),
5254                         Jim_NewStringObj(interp, target_name(target), -1));
5255                 target = target->next;
5256         }
5257         return JIM_OK;
5258 }
5259
5260 static int jim_target_smp(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5261 {
5262         int i;
5263         const char *targetname;
5264         int retval, len;
5265         struct target *target = (struct target *) NULL;
5266         struct target_list *head, *curr, *new;
5267         curr = (struct target_list *) NULL;
5268         head = (struct target_list *) NULL;
5269
5270         retval = 0;
5271         LOG_DEBUG("%d", argc);
5272         /* argv[1] = target to associate in smp
5273          * argv[2] = target to assoicate in smp
5274          * argv[3] ...
5275          */
5276
5277         for (i = 1; i < argc; i++) {
5278
5279                 targetname = Jim_GetString(argv[i], &len);
5280                 target = get_target(targetname);
5281                 LOG_DEBUG("%s ", targetname);
5282                 if (target) {
5283                         new = malloc(sizeof(struct target_list));
5284                         new->target = target;
5285                         new->next = (struct target_list *)NULL;
5286                         if (head == (struct target_list *)NULL) {
5287                                 head = new;
5288                                 curr = head;
5289                         } else {
5290                                 curr->next = new;
5291                                 curr = new;
5292                         }
5293                 }
5294         }
5295         /*  now parse the list of cpu and put the target in smp mode*/
5296         curr = head;
5297
5298         while (curr != (struct target_list *)NULL) {
5299                 target = curr->target;
5300                 target->smp = 1;
5301                 target->head = head;
5302                 curr = curr->next;
5303         }
5304
5305         if (target && target->rtos)
5306                 retval = rtos_smp_init(head->target);
5307
5308         return retval;
5309 }
5310
5311
5312 static int jim_target_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5313 {
5314         Jim_GetOptInfo goi;
5315         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5316         if (goi.argc < 3) {
5317                 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
5318                         "<name> <target_type> [<target_options> ...]");
5319                 return JIM_ERR;
5320         }
5321         return target_create(&goi);
5322 }
5323
5324 static int jim_target_number(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5325 {
5326         Jim_GetOptInfo goi;
5327         Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5328
5329         /* It's OK to remove this mechanism sometime after August 2010 or so */
5330         LOG_WARNING("don't use numbers as target identifiers; use names");
5331         if (goi.argc != 1) {
5332                 Jim_SetResultFormatted(goi.interp, "usage: target number <number>");
5333                 return JIM_ERR;
5334         }
5335         jim_wide w;
5336         int e = Jim_GetOpt_Wide(&goi, &w);
5337         if (e != JIM_OK)
5338                 return JIM_ERR;
5339
5340         struct target *target;
5341         for (target = all_targets; NULL != target; target = target->next) {
5342                 if (target->target_number != w)
5343                         continue;
5344
5345                 Jim_SetResultString(goi.interp, target_name(target), -1);
5346                 return JIM_OK;
5347         }
5348         {
5349                 Jim_Obj *wObj = Jim_NewIntObj(goi.interp, w);
5350                 Jim_SetResultFormatted(goi.interp,
5351                         "Target: number %#s does not exist", wObj);
5352                 Jim_FreeNewObj(interp, wObj);
5353         }
5354         return JIM_ERR;
5355 }
5356
5357 static int jim_target_count(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5358 {
5359         if (argc != 1) {
5360                 Jim_WrongNumArgs(interp, 1, argv, "<no parameters>");
5361                 return JIM_ERR;
5362         }
5363         unsigned count = 0;
5364         struct target *target = all_targets;
5365         while (NULL != target) {
5366                 target = target->next;
5367                 count++;
5368         }
5369         Jim_SetResult(interp, Jim_NewIntObj(interp, count));
5370         return JIM_OK;
5371 }
5372
5373 static const struct command_registration target_subcommand_handlers[] = {
5374         {
5375                 .name = "init",
5376                 .mode = COMMAND_CONFIG,
5377                 .handler = handle_target_init_command,
5378                 .help = "initialize targets",
5379         },
5380         {
5381                 .name = "create",
5382                 /* REVISIT this should be COMMAND_CONFIG ... */
5383                 .mode = COMMAND_ANY,
5384                 .jim_handler = jim_target_create,
5385                 .usage = "name type '-chain-position' name [options ...]",
5386                 .help = "Creates and selects a new target",
5387         },
5388         {
5389                 .name = "current",
5390                 .mode = COMMAND_ANY,
5391                 .jim_handler = jim_target_current,
5392                 .help = "Returns the currently selected target",
5393         },
5394         {
5395                 .name = "types",
5396                 .mode = COMMAND_ANY,
5397                 .jim_handler = jim_target_types,
5398                 .help = "Returns the available target types as "
5399                                 "a list of strings",
5400         },
5401         {
5402                 .name = "names",
5403                 .mode = COMMAND_ANY,
5404                 .jim_handler = jim_target_names,
5405                 .help = "Returns the names of all targets as a list of strings",
5406         },
5407         {
5408                 .name = "number",
5409                 .mode = COMMAND_ANY,
5410                 .jim_handler = jim_target_number,
5411                 .usage = "number",
5412                 .help = "Returns the name of the numbered target "
5413                         "(DEPRECATED)",
5414         },
5415         {
5416                 .name = "count",
5417                 .mode = COMMAND_ANY,
5418                 .jim_handler = jim_target_count,
5419                 .help = "Returns the number of targets as an integer "
5420                         "(DEPRECATED)",
5421         },
5422         {
5423                 .name = "smp",
5424                 .mode = COMMAND_ANY,
5425                 .jim_handler = jim_target_smp,
5426                 .usage = "targetname1 targetname2 ...",
5427                 .help = "gather several target in a smp list"
5428         },
5429
5430         COMMAND_REGISTRATION_DONE
5431 };
5432
5433 struct FastLoad {
5434         uint32_t address;
5435         uint8_t *data;
5436         int length;
5437
5438 };
5439
5440 static int fastload_num;
5441 static struct FastLoad *fastload;
5442
5443 static void free_fastload(void)
5444 {
5445         if (fastload != NULL) {
5446                 int i;
5447                 for (i = 0; i < fastload_num; i++) {
5448                         if (fastload[i].data)
5449                                 free(fastload[i].data);
5450                 }
5451                 free(fastload);
5452                 fastload = NULL;
5453         }
5454 }
5455
5456 COMMAND_HANDLER(handle_fast_load_image_command)
5457 {
5458         uint8_t *buffer;
5459         size_t buf_cnt;
5460         uint32_t image_size;
5461         uint32_t min_address = 0;
5462         uint32_t max_address = 0xffffffff;
5463         int i;
5464
5465         struct image image;
5466
5467         int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
5468                         &image, &min_address, &max_address);
5469         if (ERROR_OK != retval)
5470                 return retval;
5471
5472         struct duration bench;
5473         duration_start(&bench);
5474
5475         retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL);
5476         if (retval != ERROR_OK)
5477                 return retval;
5478
5479         image_size = 0x0;
5480         retval = ERROR_OK;
5481         fastload_num = image.num_sections;
5482         fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
5483         if (fastload == NULL) {
5484                 command_print(CMD_CTX, "out of memory");
5485                 image_close(&image);
5486                 return ERROR_FAIL;
5487         }
5488         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
5489         for (i = 0; i < image.num_sections; i++) {
5490                 buffer = malloc(image.sections[i].size);
5491                 if (buffer == NULL) {
5492                         command_print(CMD_CTX, "error allocating buffer for section (%d bytes)",
5493                                                   (int)(image.sections[i].size));
5494                         retval = ERROR_FAIL;
5495                         break;
5496                 }
5497
5498                 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
5499                 if (retval != ERROR_OK) {
5500                         free(buffer);
5501                         break;
5502                 }
5503
5504                 uint32_t offset = 0;
5505                 uint32_t length = buf_cnt;
5506
5507                 /* DANGER!!! beware of unsigned comparision here!!! */
5508
5509                 if ((image.sections[i].base_address + buf_cnt >= min_address) &&
5510                                 (image.sections[i].base_address < max_address)) {
5511                         if (image.sections[i].base_address < min_address) {
5512                                 /* clip addresses below */
5513                                 offset += min_address-image.sections[i].base_address;
5514                                 length -= offset;
5515                         }
5516
5517                         if (image.sections[i].base_address + buf_cnt > max_address)
5518                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
5519
5520                         fastload[i].address = image.sections[i].base_address + offset;
5521                         fastload[i].data = malloc(length);
5522                         if (fastload[i].data == NULL) {
5523                                 free(buffer);
5524                                 command_print(CMD_CTX, "error allocating buffer for section (%" PRIu32 " bytes)",
5525                                                           length);
5526                                 retval = ERROR_FAIL;
5527                                 break;
5528                         }
5529                         memcpy(fastload[i].data, buffer + offset, length);
5530                         fastload[i].length = length;
5531
5532                         image_size += length;
5533                         command_print(CMD_CTX, "%u bytes written at address 0x%8.8x",
5534                                                   (unsigned int)length,
5535                                                   ((unsigned int)(image.sections[i].base_address + offset)));
5536                 }
5537
5538                 free(buffer);
5539         }
5540
5541         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
5542                 command_print(CMD_CTX, "Loaded %" PRIu32 " bytes "
5543                                 "in %fs (%0.3f KiB/s)", image_size,
5544                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
5545
5546                 command_print(CMD_CTX,
5547                                 "WARNING: image has not been loaded to target!"
5548                                 "You can issue a 'fast_load' to finish loading.");
5549         }
5550
5551         image_close(&image);
5552
5553         if (retval != ERROR_OK)
5554                 free_fastload();
5555
5556         return retval;
5557 }
5558
5559 COMMAND_HANDLER(handle_fast_load_command)
5560 {
5561         if (CMD_ARGC > 0)
5562                 return ERROR_COMMAND_SYNTAX_ERROR;
5563         if (fastload == NULL) {
5564                 LOG_ERROR("No image in memory");
5565                 return ERROR_FAIL;
5566         }
5567         int i;
5568         int ms = timeval_ms();
5569         int size = 0;
5570         int retval = ERROR_OK;
5571         for (i = 0; i < fastload_num; i++) {
5572                 struct target *target = get_current_target(CMD_CTX);
5573                 command_print(CMD_CTX, "Write to 0x%08x, length 0x%08x",
5574                                           (unsigned int)(fastload[i].address),
5575                                           (unsigned int)(fastload[i].length));
5576                 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
5577                 if (retval != ERROR_OK)
5578                         break;
5579                 size += fastload[i].length;
5580         }
5581         if (retval == ERROR_OK) {
5582                 int after = timeval_ms();
5583                 command_print(CMD_CTX, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
5584         }
5585         return retval;
5586 }
5587
5588 static const struct command_registration target_command_handlers[] = {
5589         {
5590                 .name = "targets",
5591                 .handler = handle_targets_command,
5592                 .mode = COMMAND_ANY,
5593                 .help = "change current default target (one parameter) "
5594                         "or prints table of all targets (no parameters)",
5595                 .usage = "[target]",
5596         },
5597         {
5598                 .name = "target",
5599                 .mode = COMMAND_CONFIG,
5600                 .help = "configure target",
5601
5602                 .chain = target_subcommand_handlers,
5603         },
5604         COMMAND_REGISTRATION_DONE
5605 };
5606
5607 int target_register_commands(struct command_context *cmd_ctx)
5608 {
5609         return register_commands(cmd_ctx, NULL, target_command_handlers);
5610 }
5611
5612 static bool target_reset_nag = true;
5613
5614 bool get_target_reset_nag(void)
5615 {
5616         return target_reset_nag;
5617 }
5618
5619 COMMAND_HANDLER(handle_target_reset_nag)
5620 {
5621         return CALL_COMMAND_HANDLER(handle_command_parse_bool,
5622                         &target_reset_nag, "Nag after each reset about options to improve "
5623                         "performance");
5624 }
5625
5626 COMMAND_HANDLER(handle_ps_command)
5627 {
5628         struct target *target = get_current_target(CMD_CTX);
5629         char *display;
5630         if (target->state != TARGET_HALTED) {
5631                 LOG_INFO("target not halted !!");
5632                 return ERROR_OK;
5633         }
5634
5635         if ((target->rtos) && (target->rtos->type)
5636                         && (target->rtos->type->ps_command)) {
5637                 display = target->rtos->type->ps_command(target);
5638                 command_print(CMD_CTX, "%s", display);
5639                 free(display);
5640                 return ERROR_OK;
5641         } else {
5642                 LOG_INFO("failed");
5643                 return ERROR_TARGET_FAILURE;
5644         }
5645 }
5646
5647 static void binprint(struct command_context *cmd_ctx, const char *text, const uint8_t *buf, int size)
5648 {
5649         if (text != NULL)
5650                 command_print_sameline(cmd_ctx, "%s", text);
5651         for (int i = 0; i < size; i++)
5652                 command_print_sameline(cmd_ctx, " %02x", buf[i]);
5653         command_print(cmd_ctx, " ");
5654 }
5655
5656 COMMAND_HANDLER(handle_test_mem_access_command)
5657 {
5658         struct target *target = get_current_target(CMD_CTX);
5659         uint32_t test_size;
5660         int retval = ERROR_OK;
5661
5662         if (target->state != TARGET_HALTED) {
5663                 LOG_INFO("target not halted !!");
5664                 return ERROR_FAIL;
5665         }
5666
5667         if (CMD_ARGC != 1)
5668                 return ERROR_COMMAND_SYNTAX_ERROR;
5669
5670         COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], test_size);
5671
5672         /* Test reads */
5673         size_t num_bytes = test_size + 4;
5674
5675         struct working_area *wa = NULL;
5676         retval = target_alloc_working_area(target, num_bytes, &wa);
5677         if (retval != ERROR_OK) {
5678                 LOG_ERROR("Not enough working area");
5679                 return ERROR_FAIL;
5680         }
5681
5682         uint8_t *test_pattern = malloc(num_bytes);
5683
5684         for (size_t i = 0; i < num_bytes; i++)
5685                 test_pattern[i] = rand();
5686
5687         retval = target_write_memory(target, wa->address, 1, num_bytes, test_pattern);
5688         if (retval != ERROR_OK) {
5689                 LOG_ERROR("Test pattern write failed");
5690                 goto out;
5691         }
5692
5693         for (int host_offset = 0; host_offset <= 1; host_offset++) {
5694                 for (int size = 1; size <= 4; size *= 2) {
5695                         for (int offset = 0; offset < 4; offset++) {
5696                                 uint32_t count = test_size / size;
5697                                 size_t host_bufsiz = (count + 2) * size + host_offset;
5698                                 uint8_t *read_ref = malloc(host_bufsiz);
5699                                 uint8_t *read_buf = malloc(host_bufsiz);
5700
5701                                 for (size_t i = 0; i < host_bufsiz; i++) {
5702                                         read_ref[i] = rand();
5703                                         read_buf[i] = read_ref[i];
5704                                 }
5705                                 command_print_sameline(CMD_CTX,
5706                                                 "Test read %d x %d @ %d to %saligned buffer: ", count,
5707                                                 size, offset, host_offset ? "un" : "");
5708
5709                                 struct duration bench;
5710                                 duration_start(&bench);
5711
5712                                 retval = target_read_memory(target, wa->address + offset, size, count,
5713                                                 read_buf + size + host_offset);
5714
5715                                 duration_measure(&bench);
5716
5717                                 if (retval == ERROR_TARGET_UNALIGNED_ACCESS) {
5718                                         command_print(CMD_CTX, "Unsupported alignment");
5719                                         goto next;
5720                                 } else if (retval != ERROR_OK) {
5721                                         command_print(CMD_CTX, "Memory read failed");
5722                                         goto next;
5723                                 }
5724
5725                                 /* replay on host */
5726                                 memcpy(read_ref + size + host_offset, test_pattern + offset, count * size);
5727
5728                                 /* check result */
5729                                 int result = memcmp(read_ref, read_buf, host_bufsiz);
5730                                 if (result == 0) {
5731                                         command_print(CMD_CTX, "Pass in %fs (%0.3f KiB/s)",
5732                                                         duration_elapsed(&bench),
5733                                                         duration_kbps(&bench, count * size));
5734                                 } else {
5735                                         command_print(CMD_CTX, "Compare failed");
5736                                         binprint(CMD_CTX, "ref:", read_ref, host_bufsiz);
5737                                         binprint(CMD_CTX, "buf:", read_buf, host_bufsiz);
5738                                 }
5739 next:
5740                                 free(read_ref);
5741                                 free(read_buf);
5742                         }
5743                 }
5744         }
5745
5746 out:
5747         free(test_pattern);
5748
5749         if (wa != NULL)
5750                 target_free_working_area(target, wa);
5751
5752         /* Test writes */
5753         num_bytes = test_size + 4 + 4 + 4;
5754
5755         retval = target_alloc_working_area(target, num_bytes, &wa);
5756         if (retval != ERROR_OK) {
5757                 LOG_ERROR("Not enough working area");
5758                 return ERROR_FAIL;
5759         }
5760
5761         test_pattern = malloc(num_bytes);
5762
5763         for (size_t i = 0; i < num_bytes; i++)
5764                 test_pattern[i] = rand();
5765
5766         for (int host_offset = 0; host_offset <= 1; host_offset++) {
5767                 for (int size = 1; size <= 4; size *= 2) {
5768                         for (int offset = 0; offset < 4; offset++) {
5769                                 uint32_t count = test_size / size;
5770                                 size_t host_bufsiz = count * size + host_offset;
5771                                 uint8_t *read_ref = malloc(num_bytes);
5772                                 uint8_t *read_buf = malloc(num_bytes);
5773                                 uint8_t *write_buf = malloc(host_bufsiz);
5774
5775                                 for (size_t i = 0; i < host_bufsiz; i++)
5776                                         write_buf[i] = rand();
5777                                 command_print_sameline(CMD_CTX,
5778                                                 "Test write %d x %d @ %d from %saligned buffer: ", count,
5779                                                 size, offset, host_offset ? "un" : "");
5780
5781                                 retval = target_write_memory(target, wa->address, 1, num_bytes, test_pattern);
5782                                 if (retval != ERROR_OK) {
5783                                         command_print(CMD_CTX, "Test pattern write failed");
5784                                         goto nextw;
5785                                 }
5786
5787                                 /* replay on host */
5788                                 memcpy(read_ref, test_pattern, num_bytes);
5789                                 memcpy(read_ref + size + offset, write_buf + host_offset, count * size);
5790
5791                                 struct duration bench;
5792                                 duration_start(&bench);
5793
5794                                 retval = target_write_memory(target, wa->address + size + offset, size, count,
5795                                                 write_buf + host_offset);
5796
5797                                 duration_measure(&bench);
5798
5799                                 if (retval == ERROR_TARGET_UNALIGNED_ACCESS) {
5800                                         command_print(CMD_CTX, "Unsupported alignment");
5801                                         goto nextw;
5802                                 } else if (retval != ERROR_OK) {
5803                                         command_print(CMD_CTX, "Memory write failed");
5804                                         goto nextw;
5805                                 }
5806
5807                                 /* read back */
5808                                 retval = target_read_memory(target, wa->address, 1, num_bytes, read_buf);
5809                                 if (retval != ERROR_OK) {
5810                                         command_print(CMD_CTX, "Test pattern write failed");
5811                                         goto nextw;
5812                                 }
5813
5814                                 /* check result */
5815                                 int result = memcmp(read_ref, read_buf, num_bytes);
5816                                 if (result == 0) {
5817                                         command_print(CMD_CTX, "Pass in %fs (%0.3f KiB/s)",
5818                                                         duration_elapsed(&bench),
5819                                                         duration_kbps(&bench, count * size));
5820                                 } else {
5821                                         command_print(CMD_CTX, "Compare failed");
5822                                         binprint(CMD_CTX, "ref:", read_ref, num_bytes);
5823                                         binprint(CMD_CTX, "buf:", read_buf, num_bytes);
5824                                 }
5825 nextw:
5826                                 free(read_ref);
5827                                 free(read_buf);
5828                         }
5829                 }
5830         }
5831
5832         free(test_pattern);
5833
5834         if (wa != NULL)
5835                 target_free_working_area(target, wa);
5836         return retval;
5837 }
5838
5839 static const struct command_registration target_exec_command_handlers[] = {
5840         {
5841                 .name = "fast_load_image",
5842                 .handler = handle_fast_load_image_command,
5843                 .mode = COMMAND_ANY,
5844                 .help = "Load image into server memory for later use by "
5845                         "fast_load; primarily for profiling",
5846                 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
5847                         "[min_address [max_length]]",
5848         },
5849         {
5850                 .name = "fast_load",
5851                 .handler = handle_fast_load_command,
5852                 .mode = COMMAND_EXEC,
5853                 .help = "loads active fast load image to current target "
5854                         "- mainly for profiling purposes",
5855                 .usage = "",
5856         },
5857         {
5858                 .name = "profile",
5859                 .handler = handle_profile_command,
5860                 .mode = COMMAND_EXEC,
5861                 .usage = "seconds filename [start end]",
5862                 .help = "profiling samples the CPU PC",
5863         },
5864         /** @todo don't register virt2phys() unless target supports it */
5865         {
5866                 .name = "virt2phys",
5867                 .handler = handle_virt2phys_command,
5868                 .mode = COMMAND_ANY,
5869                 .help = "translate a virtual address into a physical address",
5870                 .usage = "virtual_address",
5871         },
5872         {
5873                 .name = "reg",
5874                 .handler = handle_reg_command,
5875                 .mode = COMMAND_EXEC,
5876                 .help = "display (reread from target with \"force\") or set a register; "
5877                         "with no arguments, displays all registers and their values",
5878                 .usage = "[(register_number|register_name) [(value|'force')]]",
5879         },
5880         {
5881                 .name = "poll",
5882                 .handler = handle_poll_command,
5883                 .mode = COMMAND_EXEC,
5884                 .help = "poll target state; or reconfigure background polling",
5885                 .usage = "['on'|'off']",
5886         },
5887         {
5888                 .name = "wait_halt",
5889                 .handler = handle_wait_halt_command,
5890                 .mode = COMMAND_EXEC,
5891                 .help = "wait up to the specified number of milliseconds "
5892                         "(default 5000) for a previously requested halt",
5893                 .usage = "[milliseconds]",
5894         },
5895         {
5896                 .name = "halt",
5897                 .handler = handle_halt_command,
5898                 .mode = COMMAND_EXEC,
5899                 .help = "request target to halt, then wait up to the specified"
5900                         "number of milliseconds (default 5000) for it to complete",
5901                 .usage = "[milliseconds]",
5902         },
5903         {
5904                 .name = "resume",
5905                 .handler = handle_resume_command,
5906                 .mode = COMMAND_EXEC,
5907                 .help = "resume target execution from current PC or address",
5908                 .usage = "[address]",
5909         },
5910         {
5911                 .name = "reset",
5912                 .handler = handle_reset_command,
5913                 .mode = COMMAND_EXEC,
5914                 .usage = "[run|halt|init]",
5915                 .help = "Reset all targets into the specified mode."
5916                         "Default reset mode is run, if not given.",
5917         },
5918         {
5919                 .name = "soft_reset_halt",
5920                 .handler = handle_soft_reset_halt_command,
5921                 .mode = COMMAND_EXEC,
5922                 .usage = "",
5923                 .help = "halt the target and do a soft reset",
5924         },
5925         {
5926                 .name = "step",
5927                 .handler = handle_step_command,
5928                 .mode = COMMAND_EXEC,
5929                 .help = "step one instruction from current PC or address",
5930                 .usage = "[address]",
5931         },
5932         {
5933                 .name = "mdw",
5934                 .handler = handle_md_command,
5935                 .mode = COMMAND_EXEC,
5936                 .help = "display memory words",
5937                 .usage = "['phys'] address [count]",
5938         },
5939         {
5940                 .name = "mdh",
5941                 .handler = handle_md_command,
5942                 .mode = COMMAND_EXEC,
5943                 .help = "display memory half-words",
5944                 .usage = "['phys'] address [count]",
5945         },
5946         {
5947                 .name = "mdb",
5948                 .handler = handle_md_command,
5949                 .mode = COMMAND_EXEC,
5950                 .help = "display memory bytes",
5951                 .usage = "['phys'] address [count]",
5952         },
5953         {
5954                 .name = "mww",
5955                 .handler = handle_mw_command,
5956                 .mode = COMMAND_EXEC,
5957                 .help = "write memory word",
5958                 .usage = "['phys'] address value [count]",
5959         },
5960         {
5961                 .name = "mwh",
5962                 .handler = handle_mw_command,
5963                 .mode = COMMAND_EXEC,
5964                 .help = "write memory half-word",
5965                 .usage = "['phys'] address value [count]",
5966         },
5967         {
5968                 .name = "mwb",
5969                 .handler = handle_mw_command,
5970                 .mode = COMMAND_EXEC,
5971                 .help = "write memory byte",
5972                 .usage = "['phys'] address value [count]",
5973         },
5974         {
5975                 .name = "bp",
5976                 .handler = handle_bp_command,
5977                 .mode = COMMAND_EXEC,
5978                 .help = "list or set hardware or software breakpoint",
5979                 .usage = "<address> [<asid>]<length> ['hw'|'hw_ctx']",
5980         },
5981         {
5982                 .name = "rbp",
5983                 .handler = handle_rbp_command,
5984                 .mode = COMMAND_EXEC,
5985                 .help = "remove breakpoint",
5986                 .usage = "address",
5987         },
5988         {
5989                 .name = "wp",
5990                 .handler = handle_wp_command,
5991                 .mode = COMMAND_EXEC,
5992                 .help = "list (no params) or create watchpoints",
5993                 .usage = "[address length [('r'|'w'|'a') value [mask]]]",
5994         },
5995         {
5996                 .name = "rwp",
5997                 .handler = handle_rwp_command,
5998                 .mode = COMMAND_EXEC,
5999                 .help = "remove watchpoint",
6000                 .usage = "address",
6001         },
6002         {
6003                 .name = "load_image",
6004                 .handler = handle_load_image_command,
6005                 .mode = COMMAND_EXEC,
6006                 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
6007                         "[min_address] [max_length]",
6008         },
6009         {
6010                 .name = "dump_image",
6011                 .handler = handle_dump_image_command,
6012                 .mode = COMMAND_EXEC,
6013                 .usage = "filename address size",
6014         },
6015         {
6016                 .name = "verify_image",
6017                 .handler = handle_verify_image_command,
6018                 .mode = COMMAND_EXEC,
6019                 .usage = "filename [offset [type]]",
6020         },
6021         {
6022                 .name = "test_image",
6023                 .handler = handle_test_image_command,
6024                 .mode = COMMAND_EXEC,
6025                 .usage = "filename [offset [type]]",
6026         },
6027         {
6028                 .name = "mem2array",
6029                 .mode = COMMAND_EXEC,
6030                 .jim_handler = jim_mem2array,
6031                 .help = "read 8/16/32 bit memory and return as a TCL array "
6032                         "for script processing",
6033                 .usage = "arrayname bitwidth address count",
6034         },
6035         {
6036                 .name = "array2mem",
6037                 .mode = COMMAND_EXEC,
6038                 .jim_handler = jim_array2mem,
6039                 .help = "convert a TCL array to memory locations "
6040                         "and write the 8/16/32 bit values",
6041                 .usage = "arrayname bitwidth address count",
6042         },
6043         {
6044                 .name = "reset_nag",
6045                 .handler = handle_target_reset_nag,
6046                 .mode = COMMAND_ANY,
6047                 .help = "Nag after each reset about options that could have been "
6048                                 "enabled to improve performance. ",
6049                 .usage = "['enable'|'disable']",
6050         },
6051         {
6052                 .name = "ps",
6053                 .handler = handle_ps_command,
6054                 .mode = COMMAND_EXEC,
6055                 .help = "list all tasks ",
6056                 .usage = " ",
6057         },
6058         {
6059                 .name = "test_mem_access",
6060                 .handler = handle_test_mem_access_command,
6061                 .mode = COMMAND_EXEC,
6062                 .help = "Test the target's memory access functions",
6063                 .usage = "size",
6064         },
6065
6066         COMMAND_REGISTRATION_DONE
6067 };
6068 static int target_register_user_commands(struct command_context *cmd_ctx)
6069 {
6070         int retval = ERROR_OK;
6071         retval = target_request_register_commands(cmd_ctx);
6072         if (retval != ERROR_OK)
6073                 return retval;
6074
6075         retval = trace_register_commands(cmd_ctx);
6076         if (retval != ERROR_OK)
6077                 return retval;
6078
6079
6080         return register_commands(cmd_ctx, NULL, target_exec_command_handlers);
6081 }