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
  43 #define savedDCRDR  dbgbase  /* FIXME: using target->dbgbase to preserve DCRDR */
  44
  45 #define ARMV7M_SCS_DCRSR        DCB_DCRSR
  46 #define ARMV7M_SCS_DCRDR        DCB_DCRDR
  47
  48 static inline struct hl_interface_s *target_to_adapter(struct target *target)
  49 {
  50         return target->tap->priv;
  51 }
  52
  53 static int adapter_load_core_reg_u32(struct target *target,
  54                 uint32_t regsel, uint32_t *value)
  55 {
  56         struct hl_interface_s *adapter = target_to_adapter(target);
  57         return adapter->layout->api->read_reg(adapter->handle, regsel, value);
  58 }
  59
  60 static int adapter_store_core_reg_u32(struct target *target,
  61                 uint32_t regsel, uint32_t value)
  62 {
  63         struct hl_interface_s *adapter = target_to_adapter(target);
  64         return adapter->layout->api->write_reg(adapter->handle, regsel, value);
  65 }
  66
  67 static int adapter_examine_debug_reason(struct target *target)
  68 {
  69         if ((target->debug_reason != DBG_REASON_DBGRQ)
  70                         && (target->debug_reason != DBG_REASON_SINGLESTEP)) {
  71                 target->debug_reason = DBG_REASON_BREAKPOINT;
  72         }
  73
  74         return ERROR_OK;
  75 }
  76
  77 static int hl_dcc_read(struct hl_interface_s *hl_if, uint8_t *value, uint8_t *ctrl)
  78 {
  79         uint16_t dcrdr;
  80         int retval = hl_if->layout->api->read_mem(hl_if->handle,
  81                         DCB_DCRDR, 1, sizeof(dcrdr), (uint8_t *)&dcrdr);
  82         if (retval == ERROR_OK) {
  83             *ctrl = (uint8_t)dcrdr;
  84             *value = (uint8_t)(dcrdr >> 8);
  85
  86             LOG_DEBUG("data 0x%x ctrl 0x%x", *value, *ctrl);
  87
  88             if (dcrdr & 1) {
  89                         /* write ack back to software dcc register
  90                          * to signify we have read data */
  91                         /* atomically clear just the byte containing the busy bit */
  92                         static const uint8_t zero;
  93                         retval = hl_if->layout->api->write_mem(hl_if->handle, DCB_DCRDR, 1, 1, &zero);
  94                 }
  95         }
  96         return retval;
  97 }
  98
  99 static int hl_target_request_data(struct target *target,
 100         uint32_t size, uint8_t *buffer)
 101 {
 102         struct hl_interface_s *hl_if = target_to_adapter(target);
 103         uint8_t data;
 104         uint8_t ctrl;
 105         uint32_t i;
 106
 107         for (i = 0; i < (size * 4); i++) {
 108                 int err = hl_dcc_read(hl_if, &data, &ctrl);
 109                 if (err != ERROR_OK)
 110                         return err;
 111
 112                 buffer[i] = data;
 113         }
 114
 115         return ERROR_OK;
 116 }
 117
 118 static int hl_handle_target_request(void *priv)
 119 {
 120         struct target *target = priv;
 121         int err;
 122
 123         if (!target_was_examined(target))
 124                 return ERROR_OK;
 125         struct hl_interface_s *hl_if = target_to_adapter(target);
 126
 127         if (!target->dbg_msg_enabled)
 128                 return ERROR_OK;
 129
 130         if (target->state == TARGET_RUNNING) {
 131                 uint8_t data;
 132                 uint8_t ctrl;
 133
 134                 err = hl_dcc_read(hl_if, &data, &ctrl);
 135                 if (err != ERROR_OK)
 136                         return err;
 137
 138                 /* check if we have data */
 139                 if (ctrl & (1 << 0)) {
 140                         uint32_t request;
 141
 142                         /* we assume target is quick enough */
 143                         request = data;
 144                         err = hl_dcc_read(hl_if, &data, &ctrl);
 145                         if (err != ERROR_OK)
 146                                 return err;
 147
 148                         request |= (data << 8);
 149                         err = hl_dcc_read(hl_if, &data, &ctrl);
 150                         if (err != ERROR_OK)
 151                                 return err;
 152
 153                         request |= (data << 16);
 154                         err = hl_dcc_read(hl_if, &data, &ctrl);
 155                         if (err != ERROR_OK)
 156                                 return err;
 157
 158                         request |= (data << 24);
 159                         target_request(target, request);
 160                 }
 161         }
 162
 163         return ERROR_OK;
 164 }
 165
 166 static int adapter_init_arch_info(struct target *target,
 167                                        struct cortex_m_common *cortex_m,
 168                                        struct jtag_tap *tap)
 169 {
 170         struct armv7m_common *armv7m;
 171
 172         LOG_DEBUG("%s", __func__);
 173
 174         armv7m = &cortex_m->armv7m;
 175         armv7m_init_arch_info(target, armv7m);
 176
 177         armv7m->load_core_reg_u32 = adapter_load_core_reg_u32;
 178         armv7m->store_core_reg_u32 = adapter_store_core_reg_u32;
 179
 180         armv7m->examine_debug_reason = adapter_examine_debug_reason;
 181         armv7m->stlink = true;
 182
 183         target_register_timer_callback(hl_handle_target_request, 1,
 184                 TARGET_TIMER_TYPE_PERIODIC, target);
 185
 186         return ERROR_OK;
 187 }
 188
 189 static int adapter_init_target(struct command_context *cmd_ctx,
 190                                     struct target *target)
 191 {
 192         LOG_DEBUG("%s", __func__);
 193
 194         armv7m_build_reg_cache(target);
 195         arm_semihosting_init(target);
 196         return ERROR_OK;
 197 }
 198
 199 static int adapter_target_create(struct target *target,
 200                 Jim_Interp *interp)
 201 {
 202         LOG_DEBUG("%s", __func__);
 203         struct adiv5_private_config *pc = target->private_config;
 204         if (pc != NULL && pc->ap_num > 0) {
 205                 LOG_ERROR("hla_target: invalid parameter -ap-num (> 0)");
 206                 return ERROR_COMMAND_SYNTAX_ERROR;
 207         }
 208
 209         struct cortex_m_common *cortex_m = calloc(1, sizeof(struct cortex_m_common));
 210         if (cortex_m == NULL) {
 211                 LOG_ERROR("No memory creating target");
 212                 return ERROR_FAIL;
 213         }
 214
 215         adapter_init_arch_info(target, cortex_m, target->tap);
 216
 217         return ERROR_OK;
 218 }
 219
 220 static int adapter_load_context(struct target *target)
 221 {
 222         struct armv7m_common *armv7m = target_to_armv7m(target);
 223         int num_regs = armv7m->arm.core_cache->num_regs;
 224
 225         for (int i = 0; i < num_regs; i++) {
 226
 227                 struct reg *r = &armv7m->arm.core_cache->reg_list[i];
 228                 if (!r->valid)
 229                         armv7m->arm.read_core_reg(target, r, i, ARM_MODE_ANY);
 230         }
 231
 232         return ERROR_OK;
 233 }
 234
 235 static int adapter_debug_entry(struct target *target)
 236 {
 237         struct hl_interface_s *adapter = target_to_adapter(target);
 238         struct armv7m_common *armv7m = target_to_armv7m(target);
 239         struct arm *arm = &armv7m->arm;
 240         struct reg *r;
 241         uint32_t xPSR;
 242         int retval;
 243
 244         /* preserve the DCRDR across halts */
 245         retval = target_read_u32(target, DCB_DCRDR, &target->savedDCRDR);
 246         if (retval != ERROR_OK)
 247                 return retval;
 248
 249         retval = armv7m->examine_debug_reason(target);
 250         if (retval != ERROR_OK)
 251                 return retval;
 252
 253         adapter_load_context(target);
 254
 255         /* make sure we clear the vector catch bit */
 256         adapter->layout->api->write_debug_reg(adapter->handle, DCB_DEMCR, TRCENA);
 257
 258         r = arm->cpsr;
 259         xPSR = buf_get_u32(r->value, 0, 32);
 260
 261         /* Are we in an exception handler */
 262         if (xPSR & 0x1FF) {
 263                 armv7m->exception_number = (xPSR & 0x1FF);
 264
 265                 arm->core_mode = ARM_MODE_HANDLER;
 266                 arm->map = armv7m_msp_reg_map;
 267         } else {
 268                 unsigned control = buf_get_u32(arm->core_cache
 269                                 ->reg_list[ARMV7M_CONTROL].value, 0, 3);
 270
 271                 /* is this thread privileged? */
 272                 arm->core_mode = control & 1
 273                                 ? ARM_MODE_USER_THREAD
 274                                 : ARM_MODE_THREAD;
 275
 276                 /* which stack is it using? */
 277                 if (control & 2)
 278                         arm->map = armv7m_psp_reg_map;
 279                 else
 280                         arm->map = armv7m_msp_reg_map;
 281
 282                 armv7m->exception_number = 0;
 283         }
 284
 285         LOG_DEBUG("entered debug state in core mode: %s at PC 0x%08" PRIx32 ", target->state: %s",
 286                 arm_mode_name(arm->core_mode),
 287                 buf_get_u32(arm->pc->value, 0, 32),
 288                 target_state_name(target));
 289
 290         return retval;
 291 }
 292
 293 static int adapter_poll(struct target *target)
 294 {
 295         enum target_state state;
 296         struct hl_interface_s *adapter = target_to_adapter(target);
 297         struct armv7m_common *armv7m = target_to_armv7m(target);
 298         enum target_state prev_target_state = target->state;
 299
 300         state = adapter->layout->api->state(adapter->handle);
 301
 302         if (state == TARGET_UNKNOWN) {
 303                 LOG_ERROR("jtag status contains invalid mode value - communication failure");
 304                 return ERROR_TARGET_FAILURE;
 305         }
 306
 307         if (prev_target_state == state)
 308                 return ERROR_OK;
 309
 310         if (prev_target_state == TARGET_DEBUG_RUNNING && state == TARGET_RUNNING)
 311                 return ERROR_OK;
 312
 313         target->state = state;
 314
 315         if (state == TARGET_HALTED) {
 316
 317                 int retval = adapter_debug_entry(target);
 318                 if (retval != ERROR_OK)
 319                         return retval;
 320
 321                 if (prev_target_state == TARGET_DEBUG_RUNNING) {
 322                         target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
 323                 } else {
 324                         if (arm_semihosting(target, &retval) != 0)
 325                                 return retval;
 326
 327                         target_call_event_callbacks(target, TARGET_EVENT_HALTED);
 328                 }
 329
 330                 LOG_DEBUG("halted: PC: 0x%08" PRIx32, buf_get_u32(armv7m->arm.pc->value, 0, 32));
 331         }
 332
 333         return ERROR_OK;
 334 }
 335
 336 static int hl_assert_reset(struct target *target)
 337 {
 338         int res = ERROR_OK;
 339         struct hl_interface_s *adapter = target_to_adapter(target);
 340         struct armv7m_common *armv7m = target_to_armv7m(target);
 341         bool use_srst_fallback = true;
 342
 343         LOG_DEBUG("%s", __func__);
 344
 345         enum reset_types jtag_reset_config = jtag_get_reset_config();
 346
 347         bool srst_asserted = false;
 348
 349         if ((jtag_reset_config & RESET_HAS_SRST) &&
 350             (jtag_reset_config & RESET_SRST_NO_GATING)) {
 351                 res = adapter_assert_reset();
 352                 srst_asserted = true;
 353         }
 354
 355         adapter->layout->api->write_debug_reg(adapter->handle, DCB_DHCSR, DBGKEY|C_DEBUGEN);
 356
 357         /* only set vector catch if halt is requested */
 358         if (target->reset_halt)
 359                 adapter->layout->api->write_debug_reg(adapter->handle, DCB_DEMCR, TRCENA|VC_CORERESET);
 360         else
 361                 adapter->layout->api->write_debug_reg(adapter->handle, DCB_DEMCR, TRCENA);
 362
 363         if (jtag_reset_config & RESET_HAS_SRST) {
 364                 if (!srst_asserted) {
 365                         res = adapter_assert_reset();
 366                 }
 367                 if (res == ERROR_COMMAND_NOTFOUND)
 368                         LOG_ERROR("Hardware srst not supported, falling back to software reset");
 369                 else if (res == ERROR_OK) {
 370                         /* hardware srst supported */
 371                         use_srst_fallback = false;
 372                 }
 373         }
 374
 375         if (use_srst_fallback) {
 376                 /* stlink v1 api does not support hardware srst, so we use a software reset fallback */
 377                 adapter->layout->api->write_debug_reg(adapter->handle, NVIC_AIRCR, AIRCR_VECTKEY | AIRCR_SYSRESETREQ);
 378         }
 379
 380         res = adapter->layout->api->reset(adapter->handle);
 381
 382         if (res != ERROR_OK)
 383                 return res;
 384
 385         /* registers are now invalid */
 386         register_cache_invalidate(armv7m->arm.core_cache);
 387
 388         if (target->reset_halt) {
 389                 target->state = TARGET_RESET;
 390                 target->debug_reason = DBG_REASON_DBGRQ;
 391         } else {
 392                 target->state = TARGET_HALTED;
 393         }
 394
 395         return ERROR_OK;
 396 }
 397
 398 static int hl_deassert_reset(struct target *target)
 399 {
 400         enum reset_types jtag_reset_config = jtag_get_reset_config();
 401
 402         LOG_DEBUG("%s", __func__);
 403
 404         if (jtag_reset_config & RESET_HAS_SRST)
 405                 adapter_deassert_reset();
 406
 407         target->savedDCRDR = 0;  /* clear both DCC busy bits on initial resume */
 408
 409         return target->reset_halt ? ERROR_OK : target_resume(target, 1, 0, 0, 0);
 410 }
 411
 412 static int adapter_halt(struct target *target)
 413 {
 414         int res;
 415         struct hl_interface_s *adapter = target_to_adapter(target);
 416
 417         LOG_DEBUG("%s", __func__);
 418
 419         if (target->state == TARGET_HALTED) {
 420                 LOG_DEBUG("target was already halted");
 421                 return ERROR_OK;
 422         }
 423
 424         if (target->state == TARGET_UNKNOWN)
 425                 LOG_WARNING("target was in unknown state when halt was requested");
 426
 427         res = adapter->layout->api->halt(adapter->handle);
 428
 429         if (res != ERROR_OK)
 430                 return res;
 431
 432         target->debug_reason = DBG_REASON_DBGRQ;
 433
 434         return ERROR_OK;
 435 }
 436
 437 static int adapter_resume(struct target *target, int current,
 438                 target_addr_t address, int handle_breakpoints,
 439                 int debug_execution)
 440 {
 441         int res;
 442         struct hl_interface_s *adapter = target_to_adapter(target);
 443         struct armv7m_common *armv7m = target_to_armv7m(target);
 444         uint32_t resume_pc;
 445         struct breakpoint *breakpoint = NULL;
 446         struct reg *pc;
 447
 448         LOG_DEBUG("%s %d " TARGET_ADDR_FMT " %d %d", __func__, current,
 449                         address, handle_breakpoints, debug_execution);
 450
 451         if (target->state != TARGET_HALTED) {
 452                 LOG_WARNING("target not halted");
 453                 return ERROR_TARGET_NOT_HALTED;
 454         }
 455
 456         if (!debug_execution) {
 457                 target_free_all_working_areas(target);
 458                 cortex_m_enable_breakpoints(target);
 459                 cortex_m_enable_watchpoints(target);
 460         }
 461
 462         pc = armv7m->arm.pc;
 463         if (!current) {
 464                 buf_set_u32(pc->value, 0, 32, address);
 465                 pc->dirty = true;
 466                 pc->valid = true;
 467         }
 468
 469         if (!breakpoint_find(target, buf_get_u32(pc->value, 0, 32))
 470                         && !debug_execution) {
 471                 armv7m_maybe_skip_bkpt_inst(target, NULL);
 472         }
 473
 474         resume_pc = buf_get_u32(pc->value, 0, 32);
 475
 476         /* write any user vector flags */
 477         res = target_write_u32(target, DCB_DEMCR, TRCENA | armv7m->demcr);
 478         if (res != ERROR_OK)
 479                 return res;
 480
 481         armv7m_restore_context(target);
 482
 483         /* restore savedDCRDR */
 484         res = target_write_u32(target, DCB_DCRDR, target->savedDCRDR);
 485         if (res != ERROR_OK)
 486                 return res;
 487
 488         /* registers are now invalid */
 489         register_cache_invalidate(armv7m->arm.core_cache);
 490
 491         /* the front-end may request us not to handle breakpoints */
 492         if (handle_breakpoints) {
 493                 /* Single step past breakpoint at current address */
 494                 breakpoint = breakpoint_find(target, resume_pc);
 495                 if (breakpoint) {
 496                         LOG_DEBUG("unset breakpoint at " TARGET_ADDR_FMT " (ID: %" PRIu32 ")",
 497                                         breakpoint->address,
 498                                         breakpoint->unique_id);
 499                         cortex_m_unset_breakpoint(target, breakpoint);
 500
 501                         res = adapter->layout->api->step(adapter->handle);
 502
 503                         if (res != ERROR_OK)
 504                                 return res;
 505
 506                         cortex_m_set_breakpoint(target, breakpoint);
 507                 }
 508         }
 509
 510         res = adapter->layout->api->run(adapter->handle);
 511
 512         if (res != ERROR_OK)
 513                 return res;
 514
 515         target->debug_reason = DBG_REASON_NOTHALTED;
 516
 517         if (!debug_execution) {
 518                 target->state = TARGET_RUNNING;
 519                 target_call_event_callbacks(target, TARGET_EVENT_RESUMED);
 520         } else {
 521                 target->state = TARGET_DEBUG_RUNNING;
 522                 target_call_event_callbacks(target, TARGET_EVENT_DEBUG_RESUMED);
 523         }
 524
 525         return ERROR_OK;
 526 }
 527
 528 static int adapter_step(struct target *target, int current,
 529                 target_addr_t address, int handle_breakpoints)
 530 {
 531         int res;
 532         struct hl_interface_s *adapter = target_to_adapter(target);
 533         struct armv7m_common *armv7m = target_to_armv7m(target);
 534         struct breakpoint *breakpoint = NULL;
 535         struct reg *pc = armv7m->arm.pc;
 536         bool bkpt_inst_found = false;
 537
 538         LOG_DEBUG("%s", __func__);
 539
 540         if (target->state != TARGET_HALTED) {
 541                 LOG_WARNING("target not halted");
 542                 return ERROR_TARGET_NOT_HALTED;
 543         }
 544
 545         if (!current) {
 546                 buf_set_u32(pc->value, 0, 32, address);
 547                 pc->dirty = true;
 548                 pc->valid = true;
 549         }
 550
 551         uint32_t pc_value = buf_get_u32(pc->value, 0, 32);
 552
 553         /* the front-end may request us not to handle breakpoints */
 554         if (handle_breakpoints) {
 555                 breakpoint = breakpoint_find(target, pc_value);
 556                 if (breakpoint)
 557                         cortex_m_unset_breakpoint(target, breakpoint);
 558         }
 559
 560         armv7m_maybe_skip_bkpt_inst(target, &bkpt_inst_found);
 561
 562         target->debug_reason = DBG_REASON_SINGLESTEP;
 563
 564         armv7m_restore_context(target);
 565
 566         /* restore savedDCRDR */
 567         res = target_write_u32(target, DCB_DCRDR, target->savedDCRDR);
 568         if (res != ERROR_OK)
 569                 return res;
 570
 571         target_call_event_callbacks(target, TARGET_EVENT_RESUMED);
 572
 573         res = adapter->layout->api->step(adapter->handle);
 574
 575         if (res != ERROR_OK)
 576                 return res;
 577
 578         /* registers are now invalid */
 579         register_cache_invalidate(armv7m->arm.core_cache);
 580
 581         if (breakpoint)
 582                 cortex_m_set_breakpoint(target, breakpoint);
 583
 584         adapter_debug_entry(target);
 585         target_call_event_callbacks(target, TARGET_EVENT_HALTED);
 586
 587         LOG_INFO("halted: PC: 0x%08" PRIx32, buf_get_u32(armv7m->arm.pc->value, 0, 32));
 588
 589         return ERROR_OK;
 590 }
 591
 592 static int adapter_read_memory(struct target *target, target_addr_t address,
 593                 uint32_t size, uint32_t count,
 594                 uint8_t *buffer)
 595 {
 596         struct hl_interface_s *adapter = target_to_adapter(target);
 597
 598         if (!count || !buffer)
 599                 return ERROR_COMMAND_SYNTAX_ERROR;
 600
 601         LOG_DEBUG("%s " TARGET_ADDR_FMT " %" PRIu32 " %" PRIu32,
 602                           __func__, address, size, count);
 603
 604         return adapter->layout->api->read_mem(adapter->handle, address, size, count, buffer);
 605 }
 606
 607 static int adapter_write_memory(struct target *target, target_addr_t address,
 608                 uint32_t size, uint32_t count,
 609                 const uint8_t *buffer)
 610 {
 611         struct hl_interface_s *adapter = target_to_adapter(target);
 612
 613         if (!count || !buffer)
 614                 return ERROR_COMMAND_SYNTAX_ERROR;
 615
 616         LOG_DEBUG("%s " TARGET_ADDR_FMT " %" PRIu32 " %" PRIu32,
 617                           __func__, address, size, count);
 618
 619         return adapter->layout->api->write_mem(adapter->handle, address, size, count, buffer);
 620 }
 621
 622 static const struct command_registration adapter_command_handlers[] = {
 623         {
 624                 .chain = arm_command_handlers,
 625         },
 626         {
 627                 .chain = armv7m_trace_command_handlers,
 628         },
 629         COMMAND_REGISTRATION_DONE
 630 };
 631
 632 struct target_type hla_target = {
 633         .name = "hla_target",
 634         .deprecated_name = "stm32_stlink",
 635
 636         .init_target = adapter_init_target,
 637         .deinit_target = cortex_m_deinit_target,
 638         .target_create = adapter_target_create,
 639         .target_jim_configure = adiv5_jim_configure,
 640         .examine = cortex_m_examine,
 641         .commands = adapter_command_handlers,
 642
 643         .poll = adapter_poll,
 644         .arch_state = armv7m_arch_state,
 645
 646         .target_request_data = hl_target_request_data,
 647         .assert_reset = hl_assert_reset,
 648         .deassert_reset = hl_deassert_reset,
 649
 650         .halt = adapter_halt,
 651         .resume = adapter_resume,
 652         .step = adapter_step,
 653
 654         .get_gdb_arch = arm_get_gdb_arch,
 655         .get_gdb_reg_list = armv7m_get_gdb_reg_list,
 656
 657         .read_memory = adapter_read_memory,
 658         .write_memory = adapter_write_memory,
 659         .checksum_memory = armv7m_checksum_memory,
 660         .blank_check_memory = armv7m_blank_check_memory,
 661
 662         .run_algorithm = armv7m_run_algorithm,
 663         .start_algorithm = armv7m_start_algorithm,
 664         .wait_algorithm = armv7m_wait_algorithm,
 665
 666         .add_breakpoint = cortex_m_add_breakpoint,
 667         .remove_breakpoint = cortex_m_remove_breakpoint,
 668         .add_watchpoint = cortex_m_add_watchpoint,
 669         .remove_watchpoint = cortex_m_remove_watchpoint,
 670         .profiling = cortex_m_profiling,
 671 };