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