src/target/hla_target.c

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Mathias Kuester                                 *
   3  *   Mathias Kuester <kesmtp@freenet.de>                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2011 by Spencer Oliver                                  *
   6  *   spen@spen-soft.co.uk                                                  *
   7  *                                                                         *
   8  *   revised:  4/25/13 by brent@mbari.org [DCC target request support]     *
   9  *                                                                         *
  10  *   This program is free software; you can redistribute it and/or modify  *
  11  *   it under the terms of the GNU General Public License as published by  *
  12  *   the Free Software Foundation; either version 2 of the License, or     *
  13  *   (at your option) any later version.                                   *
  14  *                                                                         *
  15  *   This program is distributed in the hope that it will be useful,       *
  16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  *   GNU General Public License for more details.                          *
  19  *                                                                         *
  20  *   You should have received a copy of the GNU General Public License     *
  21  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  22  ***************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include "config.h"
  26 #endif
  27
  28 #include "jtag/interface.h"
  29 #include "jtag/jtag.h"
  30 #include "jtag/hla/hla_transport.h"
  31 #include "jtag/hla/hla_interface.h"
  32 #include "jtag/hla/hla_layout.h"
  33 #include "register.h"
  34 #include "algorithm.h"
  35 #include "target.h"
  36 #include "breakpoints.h"
  37 #include "target_type.h"
  38 #include "armv7m.h"
  39 #include "cortex_m.h"
  40 #include "arm_semihosting.h"
  41 #include "target_request.h"
  42 #include <rtt/rtt.h>
  43
  44 #define SAVED_DCRDR  dbgbase  /* FIXME: using target->dbgbase to preserve DCRDR */
  45
  46 #define ARMV7M_SCS_DCRSR        DCB_DCRSR
  47 #define ARMV7M_SCS_DCRDR        DCB_DCRDR
  48
  49 static inline struct hl_interface_s *target_to_adapter(struct target *target)
  50 {
  51         return target->tap->priv;
  52 }
  53
  54 static int adapter_load_core_reg_u32(struct target *target,
  55                 uint32_t regsel, uint32_t *value)
  56 {
  57         struct hl_interface_s *adapter = target_to_adapter(target);
  58         return adapter->layout->api->read_reg(adapter->handle, regsel, value);
  59 }
  60
  61 static int adapter_store_core_reg_u32(struct target *target,
  62                 uint32_t regsel, uint32_t value)
  63 {
  64         struct hl_interface_s *adapter = target_to_adapter(target);
  65         return adapter->layout->api->write_reg(adapter->handle, regsel, value);
  66 }
  67
  68 static int adapter_examine_debug_reason(struct target *target)
  69 {
  70         if ((target->debug_reason != DBG_REASON_DBGRQ)
  71                         && (target->debug_reason != DBG_REASON_SINGLESTEP)) {
  72                 target->debug_reason = DBG_REASON_BREAKPOINT;
  73         }
  74
  75         return ERROR_OK;
  76 }
  77
  78 static int hl_dcc_read(struct hl_interface_s *hl_if, uint8_t *value, uint8_t *ctrl)
  79 {
  80         uint16_t dcrdr;
  81         int retval = hl_if->layout->api->read_mem(hl_if->handle,
  82                         DCB_DCRDR, 1, sizeof(dcrdr), (uint8_t *)&dcrdr);
  83         if (retval == ERROR_OK) {
  84             *ctrl = (uint8_t)dcrdr;
  85             *value = (uint8_t)(dcrdr >> 8);
  86
  87             LOG_DEBUG("data 0x%x ctrl 0x%x", *value, *ctrl);
  88
  89             if (dcrdr & 1) {
  90                         /* write ack back to software dcc register
  91                          * to signify we have read data */
  92                         /* atomically clear just the byte containing the busy bit */
  93                         static const uint8_t zero;
  94                         retval = hl_if->layout->api->write_mem(hl_if->handle, DCB_DCRDR, 1, 1, &zero);
  95                 }
  96         }
  97         return retval;
  98 }
  99
 100 static int hl_target_request_data(struct target *target,
 101         uint32_t size, uint8_t *buffer)
 102 {
 103         struct hl_interface_s *hl_if = target_to_adapter(target);
 104         uint8_t data;
 105         uint8_t ctrl;
 106         uint32_t i;
 107
 108         for (i = 0; i < (size * 4); i++) {
 109                 int err = hl_dcc_read(hl_if, &data, &ctrl);
 110                 if (err != ERROR_OK)
 111                         return err;
 112
 113                 buffer[i] = data;
 114         }
 115
 116         return ERROR_OK;
 117 }
 118
 119 static int hl_handle_target_request(void *priv)
 120 {
 121         struct target *target = priv;
 122         int err;
 123
 124         if (!target_was_examined(target))
 125                 return ERROR_OK;
 126         struct hl_interface_s *hl_if = target_to_adapter(target);
 127
 128         if (!target->dbg_msg_enabled)
 129                 return ERROR_OK;
 130
 131         if (target->state == TARGET_RUNNING) {
 132                 uint8_t data;
 133                 uint8_t ctrl;
 134
 135                 err = hl_dcc_read(hl_if, &data, &ctrl);
 136                 if (err != ERROR_OK)
 137                         return err;
 138
 139                 /* check if we have data */
 140                 if (ctrl & (1 << 0)) {
 141                         uint32_t request;
 142
 143                         /* we assume target is quick enough */
 144                         request = data;
 145                         err = hl_dcc_read(hl_if, &data, &ctrl);
 146                         if (err != ERROR_OK)
 147                                 return err;
 148
 149                         request |= (data << 8);
 150                         err = hl_dcc_read(hl_if, &data, &ctrl);
 151                         if (err != ERROR_OK)
 152                                 return err;
 153
 154                         request |= (data << 16);
 155                         err = hl_dcc_read(hl_if, &data, &ctrl);
 156                         if (err != ERROR_OK)
 157                                 return err;
 158
 159                         request |= (data << 24);
 160                         target_request(target, request);
 161                 }
 162         }
 163
 164         return ERROR_OK;
 165 }
 166
 167 static int adapter_init_arch_info(struct target *target,
 168                                        struct cortex_m_common *cortex_m,
 169                                        struct jtag_tap *tap)
 170 {
 171         struct armv7m_common *armv7m;
 172
 173         LOG_DEBUG("%s", __func__);
 174
 175         armv7m = &cortex_m->armv7m;
 176         armv7m_init_arch_info(target, armv7m);
 177
 178         armv7m->load_core_reg_u32 = adapter_load_core_reg_u32;
 179         armv7m->store_core_reg_u32 = adapter_store_core_reg_u32;
 180
 181         armv7m->examine_debug_reason = adapter_examine_debug_reason;
 182         armv7m->is_hla_target = true;
 183
 184         target_register_timer_callback(hl_handle_target_request, 1,
 185                 TARGET_TIMER_TYPE_PERIODIC, target);
 186
 187         return ERROR_OK;
 188 }
 189
 190 static int adapter_init_target(struct command_context *cmd_ctx,
 191                                     struct target *target)
 192 {
 193         LOG_DEBUG("%s", __func__);
 194
 195         armv7m_build_reg_cache(target);
 196         arm_semihosting_init(target);
 197         return ERROR_OK;
 198 }
 199
 200 static int adapter_target_create(struct target *target,
 201                 Jim_Interp *interp)
 202 {
 203         LOG_DEBUG("%s", __func__);
 204         struct adiv5_private_config *pc = target->private_config;
 205         if (pc && pc->ap_num > 0) {
 206                 LOG_ERROR("hla_target: invalid parameter -ap-num (> 0)");
 207                 return ERROR_COMMAND_SYNTAX_ERROR;
 208         }
 209
 210         struct cortex_m_common *cortex_m = calloc(1, sizeof(struct cortex_m_common));
 211         if (!cortex_m) {
 212                 LOG_ERROR("No memory creating target");
 213                 return ERROR_FAIL;
 214         }
 215
 216         adapter_init_arch_info(target, cortex_m, target->tap);
 217
 218         return ERROR_OK;
 219 }
 220
 221 static int adapter_load_context(struct target *target)
 222 {
 223         struct armv7m_common *armv7m = target_to_armv7m(target);
 224         int num_regs = armv7m->arm.core_cache->num_regs;
 225
 226         for (int i = 0; i < num_regs; i++) {
 227
 228                 struct reg *r = &armv7m->arm.core_cache->reg_list[i];
 229                 if (r->exist && !r->valid)
 230                         armv7m->arm.read_core_reg(target, r, i, ARM_MODE_ANY);
 231         }
 232
 233         return ERROR_OK;
 234 }
 235
 236 static int adapter_debug_entry(struct target *target)
 237 {
 238         struct hl_interface_s *adapter = target_to_adapter(target);
 239         struct armv7m_common *armv7m = target_to_armv7m(target);
 240         struct arm *arm = &armv7m->arm;
 241         struct reg *r;
 242         uint32_t xPSR;
 243         int retval;
 244
 245         /* preserve the DCRDR across halts */
 246         retval = target_read_u32(target, DCB_DCRDR, &target->SAVED_DCRDR);
 247         if (retval != ERROR_OK)
 248                 return retval;
 249
 250         retval = armv7m->examine_debug_reason(target);
 251         if (retval != ERROR_OK)
 252                 return retval;
 253
 254         adapter_load_context(target);
 255
 256         /* make sure we clear the vector catch bit */
 257         adapter->layout->api->write_debug_reg(adapter->handle, DCB_DEMCR, TRCENA);
 258
 259         r = arm->cpsr;
 260         xPSR = buf_get_u32(r->value, 0, 32);
 261
 262         /* Are we in an exception handler */
 263         if (xPSR & 0x1FF) {
 264                 armv7m->exception_number = (xPSR & 0x1FF);
 265
 266                 arm->core_mode = ARM_MODE_HANDLER;
 267                 arm->map = armv7m_msp_reg_map;
 268         } else {
 269                 unsigned control = buf_get_u32(arm->core_cache
 270                                 ->reg_list[ARMV7M_CONTROL].value, 0, 3);
 271
 272                 /* is this thread privileged? */
 273                 arm->core_mode = control & 1
 274                                 ? ARM_MODE_USER_THREAD
 275                                 : ARM_MODE_THREAD;
 276
 277                 /* which stack is it using? */
 278                 if (control & 2)
 279                         arm->map = armv7m_psp_reg_map;
 280                 else
 281                         arm->map = armv7m_msp_reg_map;
 282
 283                 armv7m->exception_number = 0;
 284         }
 285
 286         LOG_DEBUG("entered debug state in core mode: %s at PC 0x%08" PRIx32 ", target->state: %s",
 287                 arm_mode_name(arm->core_mode),
 288                 buf_get_u32(arm->pc->value, 0, 32),
 289                 target_state_name(target));
 290
 291         return retval;
 292 }
 293
 294 static int adapter_poll(struct target *target)
 295 {
 296         enum target_state state;
 297         struct hl_interface_s *adapter = target_to_adapter(target);
 298         struct armv7m_common *armv7m = target_to_armv7m(target);
 299         enum target_state prev_target_state = target->state;
 300
 301         state = adapter->layout->api->state(adapter->handle);
 302
 303         if (state == TARGET_UNKNOWN) {
 304                 LOG_ERROR("jtag status contains invalid mode value - communication failure");
 305                 return ERROR_TARGET_FAILURE;
 306         }
 307
 308         if (prev_target_state == state)
 309                 return ERROR_OK;
 310
 311         if (prev_target_state == TARGET_DEBUG_RUNNING && state == TARGET_RUNNING)
 312                 return ERROR_OK;
 313
 314         target->state = state;
 315
 316         if (state == TARGET_HALTED) {
 317
 318                 int retval = adapter_debug_entry(target);
 319                 if (retval != ERROR_OK)
 320                         return retval;
 321
 322                 if (prev_target_state == TARGET_DEBUG_RUNNING) {
 323                         target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
 324                 } else {
 325                         if (arm_semihosting(target, &retval) != 0)
 326                                 return retval;
 327
 328                         target_call_event_callbacks(target, TARGET_EVENT_HALTED);
 329                 }
 330
 331                 LOG_DEBUG("halted: PC: 0x%08" PRIx32, buf_get_u32(armv7m->arm.pc->value, 0, 32));
 332         }
 333
 334         return ERROR_OK;
 335 }
 336
 337 static int hl_assert_reset(struct target *target)
 338 {
 339         int res = ERROR_OK;
 340         struct hl_interface_s *adapter = target_to_adapter(target);
 341         struct armv7m_common *armv7m = target_to_armv7m(target);
 342         bool use_srst_fallback = true;
 343
 344         LOG_DEBUG("%s", __func__);
 345
 346         enum reset_types jtag_reset_config = jtag_get_reset_config();
 347
 348         bool srst_asserted = false;
 349
 350         if ((jtag_reset_config & RESET_HAS_SRST) &&
 351             (jtag_reset_config & RESET_SRST_NO_GATING)) {
 352                 res = adapter_assert_reset();
 353                 srst_asserted = true;
 354         }
 355
 356         adapter->layout->api->write_debug_reg(adapter->handle, DCB_DHCSR, DBGKEY|C_DEBUGEN);
 357
 358         /* only set vector catch if halt is requested */
 359         if (target->reset_halt)
 360                 adapter->layout->api->write_debug_reg(adapter->handle, DCB_DEMCR, TRCENA|VC_CORERESET);
 361         else
 362                 adapter->layout->api->write_debug_reg(adapter->handle, DCB_DEMCR, TRCENA);
 363
 364         if (jtag_reset_config & RESET_HAS_SRST) {
 365                 if (!srst_asserted) {
 366                         res = adapter_assert_reset();
 367                 }
 368                 if (res == ERROR_COMMAND_NOTFOUND)
 369                         LOG_ERROR("Hardware srst not supported, falling back to software reset");
 370                 else if (res == ERROR_OK) {
 371                         /* hardware srst supported */
 372                         use_srst_fallback = false;
 373                 }
 374         }
 375
 376         if (use_srst_fallback) {
 377                 /* stlink v1 api does not support hardware srst, so we use a software reset fallback */
 378                 adapter->layout->api->write_debug_reg(adapter->handle, NVIC_AIRCR, AIRCR_VECTKEY | AIRCR_SYSRESETREQ);
 379         }
 380
 381         res = adapter->layout->api->reset(adapter->handle);
 382
 383         if (res != ERROR_OK)
 384                 return res;
 385
 386         /* registers are now invalid */
 387         register_cache_invalidate(armv7m->arm.core_cache);
 388
 389         if (target->reset_halt) {
 390                 target->state = TARGET_RESET;
 391                 target->debug_reason = DBG_REASON_DBGRQ;
 392         } else {
 393                 target->state = TARGET_HALTED;
 394         }
 395
 396         return ERROR_OK;
 397 }
 398
 399 static int hl_deassert_reset(struct target *target)
 400 {
 401         enum reset_types jtag_reset_config = jtag_get_reset_config();
 402
 403         LOG_DEBUG("%s", __func__);
 404
 405         if (jtag_reset_config & RESET_HAS_SRST)
 406                 adapter_deassert_reset();
 407
 408         target->SAVED_DCRDR = 0;  /* clear both DCC busy bits on initial resume */
 409
 410         return target->reset_halt ? ERROR_OK : target_resume(target, 1, 0, 0, 0);
 411 }
 412
 413 static int adapter_halt(struct target *target)
 414 {
 415         int res;
 416         struct hl_interface_s *adapter = target_to_adapter(target);
 417
 418         LOG_DEBUG("%s", __func__);
 419
 420         if (target->state == TARGET_HALTED) {
 421                 LOG_DEBUG("target was already halted");
 422                 return ERROR_OK;
 423         }
 424
 425         if (target->state == TARGET_UNKNOWN)
 426                 LOG_WARNING("target was in unknown state when halt was requested");
 427
 428         res = adapter->layout->api->halt(adapter->handle);
 429
 430         if (res != ERROR_OK)
 431                 return res;
 432
 433         target->debug_reason = DBG_REASON_DBGRQ;
 434
 435         return ERROR_OK;
 436 }
 437
 438 static int adapter_resume(struct target *target, int current,
 439                 target_addr_t address, int handle_breakpoints,
 440                 int debug_execution)
 441 {
 442         int res;
 443         struct hl_interface_s *adapter = target_to_adapter(target);
 444         struct armv7m_common *armv7m = target_to_armv7m(target);
 445         uint32_t resume_pc;
 446         struct breakpoint *breakpoint = NULL;
 447         struct reg *pc;
 448
 449         LOG_DEBUG("%s %d " TARGET_ADDR_FMT " %d %d", __func__, current,
 450                         address, handle_breakpoints, debug_execution);
 451
 452         if (target->state != TARGET_HALTED) {
 453                 LOG_WARNING("target not halted");
 454                 return ERROR_TARGET_NOT_HALTED;
 455         }
 456
 457         if (!debug_execution) {
 458                 target_free_all_working_areas(target);
 459                 cortex_m_enable_breakpoints(target);
 460                 cortex_m_enable_watchpoints(target);
 461         }
 462
 463         pc = armv7m->arm.pc;
 464         if (!current) {
 465                 buf_set_u32(pc->value, 0, 32, address);
 466                 pc->dirty = true;
 467                 pc->valid = true;
 468         }
 469
 470         if (!breakpoint_find(target, buf_get_u32(pc->value, 0, 32))
 471                         && !debug_execution) {
 472                 armv7m_maybe_skip_bkpt_inst(target, NULL);
 473         }
 474
 475         resume_pc = buf_get_u32(pc->value, 0, 32);
 476
 477         /* write any user vector flags */
 478         res = target_write_u32(target, DCB_DEMCR, TRCENA | armv7m->demcr);
 479         if (res != ERROR_OK)
 480                 return res;
 481
 482         armv7m_restore_context(target);
 483
 484         /* restore SAVED_DCRDR */
 485         res = target_write_u32(target, DCB_DCRDR, target->SAVED_DCRDR);
 486         if (res != ERROR_OK)
 487                 return res;
 488
 489         /* registers are now invalid */
 490         register_cache_invalidate(armv7m->arm.core_cache);
 491
 492         /* the front-end may request us not to handle breakpoints */
 493         if (handle_breakpoints) {
 494                 /* Single step past breakpoint at current address */
 495                 breakpoint = breakpoint_find(target, resume_pc);
 496                 if (breakpoint) {
 497                         LOG_DEBUG("unset breakpoint at " TARGET_ADDR_FMT " (ID: %" PRIu32 ")",
 498                                         breakpoint->address,
 499                                         breakpoint->unique_id);
 500                         cortex_m_unset_breakpoint(target, breakpoint);
 501
 502                         res = adapter->layout->api->step(adapter->handle);
 503
 504                         if (res != ERROR_OK)
 505                                 return res;
 506
 507                         cortex_m_set_breakpoint(target, breakpoint);
 508                 }
 509         }
 510
 511         res = adapter->layout->api->run(adapter->handle);
 512
 513         if (res != ERROR_OK)
 514                 return res;
 515
 516         target->debug_reason = DBG_REASON_NOTHALTED;
 517
 518         if (!debug_execution) {
 519                 target->state = TARGET_RUNNING;
 520                 target_call_event_callbacks(target, TARGET_EVENT_RESUMED);
 521         } else {
 522                 target->state = TARGET_DEBUG_RUNNING;
 523                 target_call_event_callbacks(target, TARGET_EVENT_DEBUG_RESUMED);
 524         }
 525
 526         return ERROR_OK;
 527 }
 528
 529 static int adapter_step(struct target *target, int current,
 530                 target_addr_t address, int handle_breakpoints)
 531 {
 532         int res;
 533         struct hl_interface_s *adapter = target_to_adapter(target);
 534         struct armv7m_common *armv7m = target_to_armv7m(target);
 535         struct breakpoint *breakpoint = NULL;
 536         struct reg *pc = armv7m->arm.pc;
 537         bool bkpt_inst_found = false;
 538
 539         LOG_DEBUG("%s", __func__);
 540
 541         if (target->state != TARGET_HALTED) {
 542                 LOG_WARNING("target not halted");
 543                 return ERROR_TARGET_NOT_HALTED;
 544         }
 545
 546         if (!current) {
 547                 buf_set_u32(pc->value, 0, 32, address);
 548                 pc->dirty = true;
 549                 pc->valid = true;
 550         }
 551
 552         uint32_t pc_value = buf_get_u32(pc->value, 0, 32);
 553
 554         /* the front-end may request us not to handle breakpoints */
 555         if (handle_breakpoints) {
 556                 breakpoint = breakpoint_find(target, pc_value);
 557                 if (breakpoint)
 558                         cortex_m_unset_breakpoint(target, breakpoint);
 559         }
 560
 561         armv7m_maybe_skip_bkpt_inst(target, &bkpt_inst_found);
 562
 563         target->debug_reason = DBG_REASON_SINGLESTEP;
 564
 565         armv7m_restore_context(target);
 566
 567         /* restore SAVED_DCRDR */
 568         res = target_write_u32(target, DCB_DCRDR, target->SAVED_DCRDR);
 569         if (res != ERROR_OK)
 570                 return res;
 571
 572         target_call_event_callbacks(target, TARGET_EVENT_RESUMED);
 573
 574         res = adapter->layout->api->step(adapter->handle);
 575
 576         if (res != ERROR_OK)
 577                 return res;
 578
 579         /* registers are now invalid */
 580         register_cache_invalidate(armv7m->arm.core_cache);
 581
 582         if (breakpoint)
 583                 cortex_m_set_breakpoint(target, breakpoint);
 584
 585         adapter_debug_entry(target);
 586         target_call_event_callbacks(target, TARGET_EVENT_HALTED);
 587
 588         LOG_INFO("halted: PC: 0x%08" PRIx32, buf_get_u32(armv7m->arm.pc->value, 0, 32));
 589
 590         return ERROR_OK;
 591 }
 592
 593 static int adapter_read_memory(struct target *target, target_addr_t address,
 594                 uint32_t size, uint32_t count,
 595                 uint8_t *buffer)
 596 {
 597         struct hl_interface_s *adapter = target_to_adapter(target);
 598
 599         if (!count || !buffer)
 600                 return ERROR_COMMAND_SYNTAX_ERROR;
 601
 602         LOG_DEBUG("%s " TARGET_ADDR_FMT " %" PRIu32 " %" PRIu32,
 603                           __func__, address, size, count);
 604
 605         return adapter->layout->api->read_mem(adapter->handle, address, size, count, buffer);
 606 }
 607
 608 static int adapter_write_memory(struct target *target, target_addr_t address,
 609                 uint32_t size, uint32_t count,
 610                 const uint8_t *buffer)
 611 {
 612         struct hl_interface_s *adapter = target_to_adapter(target);
 613
 614         if (!count || !buffer)
 615                 return ERROR_COMMAND_SYNTAX_ERROR;
 616
 617         LOG_DEBUG("%s " TARGET_ADDR_FMT " %" PRIu32 " %" PRIu32,
 618                           __func__, address, size, count);
 619
 620         return adapter->layout->api->write_mem(adapter->handle, address, size, count, buffer);
 621 }
 622
 623 static const struct command_registration adapter_command_handlers[] = {
 624         {
 625                 .chain = arm_command_handlers,
 626         },
 627         {
 628                 .chain = armv7m_trace_command_handlers,
 629         },
 630         {
 631                 .chain = rtt_target_command_handlers,
 632         },
 633         /* START_DEPRECATED_TPIU */
 634         {
 635                 .chain = arm_tpiu_deprecated_command_handlers,
 636         },
 637         /* END_DEPRECATED_TPIU */
 638         COMMAND_REGISTRATION_DONE
 639 };
 640
 641 struct target_type hla_target = {
 642         .name = "hla_target",
 643
 644         .init_target = adapter_init_target,
 645         .deinit_target = cortex_m_deinit_target,
 646         .target_create = adapter_target_create,
 647         .target_jim_configure = adiv5_jim_configure,
 648         .examine = cortex_m_examine,
 649         .commands = adapter_command_handlers,
 650
 651         .poll = adapter_poll,
 652         .arch_state = armv7m_arch_state,
 653
 654         .target_request_data = hl_target_request_data,
 655         .assert_reset = hl_assert_reset,
 656         .deassert_reset = hl_deassert_reset,
 657
 658         .halt = adapter_halt,
 659         .resume = adapter_resume,
 660         .step = adapter_step,
 661
 662         .get_gdb_arch = arm_get_gdb_arch,
 663         .get_gdb_reg_list = armv7m_get_gdb_reg_list,
 664
 665         .read_memory = adapter_read_memory,
 666         .write_memory = adapter_write_memory,
 667         .checksum_memory = armv7m_checksum_memory,
 668         .blank_check_memory = armv7m_blank_check_memory,
 669
 670         .run_algorithm = armv7m_run_algorithm,
 671         .start_algorithm = armv7m_start_algorithm,
 672         .wait_algorithm = armv7m_wait_algorithm,
 673
 674         .add_breakpoint = cortex_m_add_breakpoint,
 675         .remove_breakpoint = cortex_m_remove_breakpoint,
 676         .add_watchpoint = cortex_m_add_watchpoint,
 677         .remove_watchpoint = cortex_m_remove_watchpoint,
 678         .profiling = cortex_m_profiling,
 679 };