src/target/target.h

   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 by Spencer Oliver                                  *
   9  *   spen@spen-soft.co.uk                                                  *
  10  *                                                                         *
  11  *   Copyright (C) 2011 by Broadcom Corporation                            *
  12  *   Evan Hunter - ehunter@broadcom.com                                    *
  13  *                                                                         *
  14  *   Copyright (C) ST-Ericsson SA 2011                                     *
  15  *   michel.jaouen@stericsson.com : smp minimum support                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32
  33 #ifndef TARGET_H
  34 #define TARGET_H
  35
  36 struct reg;
  37 struct trace;
  38 struct command_context;
  39 struct breakpoint;
  40 struct watchpoint;
  41 struct mem_param;
  42 struct reg_param;
  43 struct target_list;
  44
  45 /*
  46  * TARGET_UNKNOWN = 0: we don't know anything about the target yet
  47  * TARGET_RUNNING = 1: the target is executing user code
  48  * TARGET_HALTED  = 2: the target is not executing code, and ready to talk to the
  49  * debugger. on an xscale it means that the debug handler is executing
  50  * TARGET_RESET   = 3: the target is being held in reset (only a temporary state,
  51  * not sure how this is used with all the recent changes)
  52  * TARGET_DEBUG_RUNNING = 4: the target is running, but it is executing code on
  53  * behalf of the debugger (e.g. algorithm for flashing)
  54  *
  55  * also see: target_state_name();
  56  */
  57
  58 enum target_state {
  59         TARGET_UNKNOWN = 0,
  60         TARGET_RUNNING = 1,
  61         TARGET_HALTED = 2,
  62         TARGET_RESET = 3,
  63         TARGET_DEBUG_RUNNING = 4,
  64 };
  65
  66 enum nvp_assert {
  67         NVP_DEASSERT,
  68         NVP_ASSERT,
  69 };
  70
  71 enum target_reset_mode {
  72         RESET_UNKNOWN = 0,
  73         RESET_RUN = 1,          /* reset and let target run */
  74         RESET_HALT = 2,         /* reset and halt target out of reset */
  75         RESET_INIT = 3,         /* reset and halt target out of reset, then run init script */
  76 };
  77
  78 enum target_debug_reason {
  79         DBG_REASON_DBGRQ = 0,
  80         DBG_REASON_BREAKPOINT = 1,
  81         DBG_REASON_WATCHPOINT = 2,
  82         DBG_REASON_WPTANDBKPT = 3,
  83         DBG_REASON_SINGLESTEP = 4,
  84         DBG_REASON_NOTHALTED = 5,
  85         DBG_REASON_UNDEFINED = 6
  86 };
  87
  88 enum target_endianness {
  89         TARGET_ENDIAN_UNKNOWN = 0,
  90         TARGET_BIG_ENDIAN = 1, TARGET_LITTLE_ENDIAN = 2
  91 };
  92
  93 struct working_area {
  94         uint32_t address;
  95         uint32_t size;
  96         bool free;
  97         uint8_t *backup;
  98         struct working_area **user;
  99         struct working_area *next;
 100 };
 101
 102 struct gdb_service {
 103         struct target *target;
 104         /*  field for smp display  */
 105         /*  element 0 coreid currently displayed ( 1 till n) */
 106         /*  element 1 coreid to be displayed at next resume 1 till n 0 means resume
 107          *  all cores core displayed  */
 108         int32_t core[2];
 109 };
 110
 111 /* target_type.h contains the full definition of struct target_type */
 112 struct target {
 113         struct target_type *type;                       /* target type definition (name, access functions) */
 114         const char *cmd_name;                           /* tcl Name of target */
 115         int target_number;                                      /* DO NOT USE!  field to be removed in 2010 */
 116         struct jtag_tap *tap;                           /* where on the jtag chain is this */
 117         int32_t coreid;                                         /* which device on the TAP? */
 118         const char *variant;                            /* what variant of this chip is it? */
 119
 120         /**
 121          * Indicates whether this target has been examined.
 122          *
 123          * Do @b not access this field directly, use target_was_examined()
 124          * or target_set_examined().
 125          */
 126         bool examined;
 127
 128         /**
 129          * true if the  target is currently running a downloaded
 130          * "algorithm" instead of arbitrary user code. OpenOCD code
 131          * invoking algorithms is trusted to maintain correctness of
 132          * any cached state (e.g. for flash status), which arbitrary
 133          * code will have no reason to know about.
 134          */
 135         bool running_alg;
 136
 137         struct target_event_action *event_action;
 138
 139         int reset_halt;                                         /* attempt resetting the CPU into the halted mode? */
 140         uint32_t working_area;                          /* working area (initialised RAM). Evaluated
 141                                                                                  * upon first allocation from virtual/physical address. */
 142         bool working_area_virt_spec;            /* virtual address specified? */
 143         uint32_t working_area_virt;                     /* virtual address */
 144         bool working_area_phys_spec;            /* virtual address specified? */
 145         uint32_t working_area_phys;                     /* physical address */
 146         uint32_t working_area_size;                     /* size in bytes */
 147         uint32_t backup_working_area;           /* whether the content of the working area has to be preserved */
 148         struct working_area *working_areas;/* list of allocated working areas */
 149         enum target_debug_reason debug_reason;/* reason why the target entered debug state */
 150         enum target_endianness endianness;      /* target endianness */
 151         /* also see: target_state_name() */
 152         enum target_state state;                        /* the current backend-state (running, halted, ...) */
 153         struct reg_cache *reg_cache;            /* the first register cache of the target (core regs) */
 154         struct breakpoint *breakpoints;         /* list of breakpoints */
 155         struct watchpoint *watchpoints;         /* list of watchpoints */
 156         struct trace *trace_info;                       /* generic trace information */
 157         struct debug_msg_receiver *dbgmsg;      /* list of debug message receivers */
 158         uint32_t dbg_msg_enabled;                       /* debug message status */
 159         void *arch_info;                                        /* architecture specific information */
 160         struct target *next;                            /* next target in list */
 161
 162         int display;                                            /* display async info in telnet session. Do not display
 163                                                                                  * lots of halted/resumed info when stepping in debugger. */
 164         bool halt_issued;                                       /* did we transition to halted state? */
 165         long long halt_issued_time;                     /* Note time when halt was issued */
 166
 167         bool dbgbase_set;                                       /* By default the debug base is not set */
 168         uint32_t dbgbase;                                       /* Really a Cortex-A specific option, but there is no
 169                                                                                  * system in place to support target specific options
 170                                                                                  * currently. */
 171         struct rtos *rtos;                                      /* Instance of Real Time Operating System support */
 172         bool rtos_auto_detect;                          /* A flag that indicates that the RTOS has been specified as "auto"
 173                                                                                  * and must be detected when symbols are offered */
 174
 175         int smp;                                                        /* add some target attributes for smp support */
 176         struct target_list *head;
 177         /* the gdb service is there in case of smp, we have only one gdb server
 178          * for all smp target
 179          * the target attached to the gdb is changing dynamically by changing
 180          * gdb_service->target pointer */
 181         struct gdb_service *gdb_service;
 182 };
 183
 184 struct target_list {
 185         struct target *target;
 186         struct target_list *next;
 187 };
 188
 189 /** Returns the instance-specific name of the specified target. */
 190 static inline const char *target_name(struct target *target)
 191 {
 192         return target->cmd_name;
 193 }
 194
 195 const char *debug_reason_name(struct target *t);
 196
 197 enum target_event {
 198
 199         /* allow GDB to do stuff before others handle the halted event,
 200          * this is in lieu of defining ordering of invocation of events,
 201          * which would be more complicated
 202          *
 203          * Telling GDB to halt does not mean that the target stopped running,
 204          * simply that we're dropping out of GDB's waiting for step or continue.
 205          *
 206          * This can be useful when e.g. detecting power dropout.
 207          */
 208         TARGET_EVENT_GDB_HALT,
 209         TARGET_EVENT_HALTED,            /* target entered debug state from normal execution or reset */
 210         TARGET_EVENT_RESUMED,           /* target resumed to normal execution */
 211         TARGET_EVENT_RESUME_START,
 212         TARGET_EVENT_RESUME_END,
 213
 214         TARGET_EVENT_GDB_START, /* debugger started execution (step/run) */
 215         TARGET_EVENT_GDB_END, /* debugger stopped execution (step/run) */
 216
 217         TARGET_EVENT_RESET_START,
 218         TARGET_EVENT_RESET_ASSERT_PRE,
 219         TARGET_EVENT_RESET_ASSERT,      /* C code uses this instead of SRST */
 220         TARGET_EVENT_RESET_ASSERT_POST,
 221         TARGET_EVENT_RESET_DEASSERT_PRE,
 222         TARGET_EVENT_RESET_DEASSERT_POST,
 223         TARGET_EVENT_RESET_HALT_PRE,
 224         TARGET_EVENT_RESET_HALT_POST,
 225         TARGET_EVENT_RESET_WAIT_PRE,
 226         TARGET_EVENT_RESET_WAIT_POST,
 227         TARGET_EVENT_RESET_INIT,
 228         TARGET_EVENT_RESET_END,
 229
 230         TARGET_EVENT_DEBUG_HALTED,      /* target entered debug state, but was executing on behalf of the debugger */
 231         TARGET_EVENT_DEBUG_RESUMED, /* target resumed to execute on behalf of the debugger */
 232
 233         TARGET_EVENT_EXAMINE_START,
 234         TARGET_EVENT_EXAMINE_END,
 235
 236         TARGET_EVENT_GDB_ATTACH,
 237         TARGET_EVENT_GDB_DETACH,
 238
 239         TARGET_EVENT_GDB_FLASH_ERASE_START,
 240         TARGET_EVENT_GDB_FLASH_ERASE_END,
 241         TARGET_EVENT_GDB_FLASH_WRITE_START,
 242         TARGET_EVENT_GDB_FLASH_WRITE_END,
 243 };
 244
 245 struct target_event_action {
 246         enum target_event event;
 247         struct Jim_Interp *interp;
 248         struct Jim_Obj *body;
 249         int has_percent;
 250         struct target_event_action *next;
 251 };
 252
 253 bool target_has_event_action(struct target *target, enum target_event event);
 254
 255 struct target_event_callback {
 256         int (*callback)(struct target *target, enum target_event event, void *priv);
 257         void *priv;
 258         struct target_event_callback *next;
 259 };
 260
 261 struct target_timer_callback {
 262         int (*callback)(void *priv);
 263         int time_ms;
 264         int periodic;
 265         struct timeval when;
 266         void *priv;
 267         struct target_timer_callback *next;
 268 };
 269
 270 int target_register_commands(struct command_context *cmd_ctx);
 271 int target_examine(void);
 272
 273 int target_register_event_callback(
 274                 int (*callback)(struct target *target,
 275                 enum target_event event, void *priv),
 276                 void *priv);
 277 int target_unregister_event_callback(
 278                 int (*callback)(struct target *target,
 279                 enum target_event event, void *priv),
 280                 void *priv);
 281
 282 /* Poll the status of the target, detect any error conditions and report them.
 283  *
 284  * Also note that this fn will clear such error conditions, so a subsequent
 285  * invocation will then succeed.
 286  *
 287  * These error conditions can be "sticky" error conditions. E.g. writing
 288  * to memory could be implemented as an open loop and if memory writes
 289  * fails, then a note is made of it, the error is sticky, but the memory
 290  * write loop still runs to completion. This improves performance in the
 291  * normal case as there is no need to verify that every single write succeed,
 292  * yet it is possible to detect error conditions.
 293  */
 294 int target_poll(struct target *target);
 295 int target_resume(struct target *target, int current, uint32_t address,
 296                 int handle_breakpoints, int debug_execution);
 297 int target_halt(struct target *target);
 298 int target_call_event_callbacks(struct target *target, enum target_event event);
 299
 300 /**
 301  * The period is very approximate, the callback can happen much more often
 302  * or much more rarely than specified
 303  */
 304 int target_register_timer_callback(int (*callback)(void *priv),
 305                 int time_ms, int periodic, void *priv);
 306
 307 int target_call_timer_callbacks(void);
 308 /**
 309  * Invoke this to ensure that e.g. polling timer callbacks happen before
 310  * a synchronous command completes.
 311  */
 312 int target_call_timer_callbacks_now(void);
 313
 314 struct target *get_current_target(struct command_context *cmd_ctx);
 315 struct target *get_target(const char *id);
 316
 317 /**
 318  * Get the target type name.
 319  *
 320  * This routine is a wrapper for the target->type->name field.
 321  * Note that this is not an instance-specific name for his target.
 322  */
 323 const char *target_type_name(struct target *target);
 324
 325 /**
 326  * Examine the specified @a target, letting it perform any
 327  * Initialisation that requires JTAG access.
 328  *
 329  * This routine is a wrapper for target->type->examine.
 330  */
 331 int target_examine_one(struct target *target);
 332
 333 /** @returns @c true if target_set_examined() has been called. */
 334 static inline bool target_was_examined(struct target *target)
 335 {
 336         return target->examined;
 337 }
 338
 339 /** Sets the @c examined flag for the given target. */
 340 /** Use in target->type->examine() after one-time setup is done. */
 341 static inline void target_set_examined(struct target *target)
 342 {
 343         target->examined = true;
 344 }
 345
 346 /**
 347  * Add the @a breakpoint for @a target.
 348  *
 349  * This routine is a wrapper for target->type->add_breakpoint.
 350  */
 351 int target_add_breakpoint(struct target *target,
 352                 struct breakpoint *breakpoint);
 353 /**
 354  * Add the @a ContextID breakpoint  for @a target.
 355  *
 356  * This routine is a wrapper for target->type->add_context_breakpoint.
 357  */
 358 int target_add_context_breakpoint(struct target *target,
 359                 struct breakpoint *breakpoint);
 360 /**
 361  * Add the @a ContextID & IVA breakpoint  for @a target.
 362  *
 363  * This routine is a wrapper for target->type->add_hybrid_breakpoint.
 364  */
 365 int target_add_hybrid_breakpoint(struct target *target,
 366                 struct breakpoint *breakpoint);
 367 /**
 368  * Remove the @a breakpoint for @a target.
 369  *
 370  * This routine is a wrapper for target->type->remove_breakpoint.
 371  */
 372
 373 int target_remove_breakpoint(struct target *target,
 374                 struct breakpoint *breakpoint);
 375 /**
 376  * Add the @a watchpoint for @a target.
 377  *
 378  * This routine is a wrapper for target->type->add_watchpoint.
 379  */
 380 int target_add_watchpoint(struct target *target,
 381                 struct watchpoint *watchpoint);
 382 /**
 383  * Remove the @a watchpoint for @a target.
 384  *
 385  * This routine is a wrapper for target->type->remove_watchpoint.
 386  */
 387 int target_remove_watchpoint(struct target *target,
 388                 struct watchpoint *watchpoint);
 389
 390 /**
 391  * Obtain the registers for GDB.
 392  *
 393  * This routine is a wrapper for target->type->get_gdb_reg_list.
 394  */
 395 int target_get_gdb_reg_list(struct target *target,
 396                 struct reg **reg_list[], int *reg_list_size);
 397
 398 /**
 399  * Step the target.
 400  *
 401  * This routine is a wrapper for target->type->step.
 402  */
 403 int target_step(struct target *target,
 404                 int current, uint32_t address, int handle_breakpoints);
 405 /**
 406  * Run an algorithm on the @a target given.
 407  *
 408  * This routine is a wrapper for target->type->run_algorithm.
 409  */
 410 int target_run_algorithm(struct target *target,
 411                 int num_mem_params, struct mem_param *mem_params,
 412                 int num_reg_params, struct reg_param *reg_param,
 413                 uint32_t entry_point, uint32_t exit_point,
 414                 int timeout_ms, void *arch_info);
 415
 416 /**
 417  * Starts an algorithm in the background on the @a target given.
 418  *
 419  * This routine is a wrapper for target->type->start_algorithm.
 420  */
 421 int target_start_algorithm(struct target *target,
 422                 int num_mem_params, struct mem_param *mem_params,
 423                 int num_reg_params, struct reg_param *reg_params,
 424                 uint32_t entry_point, uint32_t exit_point,
 425                 void *arch_info);
 426
 427 /**
 428  * Wait for an algorithm on the @a target given.
 429  *
 430  * This routine is a wrapper for target->type->wait_algorithm.
 431  */
 432 int target_wait_algorithm(struct target *target,
 433                 int num_mem_params, struct mem_param *mem_params,
 434                 int num_reg_params, struct reg_param *reg_params,
 435                 uint32_t exit_point, int timeout_ms,
 436                 void *arch_info);
 437
 438 /**
 439  * This routine is a wrapper for asynchronous algorithms.
 440  *
 441  */
 442 int target_run_flash_async_algorithm(struct target *target,
 443                 uint8_t *buffer, uint32_t count, int block_size,
 444                 int num_mem_params, struct mem_param *mem_params,
 445                 int num_reg_params, struct reg_param *reg_params,
 446                 uint32_t buffer_start, uint32_t buffer_size,
 447                 uint32_t entry_point, uint32_t exit_point,
 448                 void *arch_info);
 449
 450 /**
 451  * Read @a count items of @a size bytes from the memory of @a target at
 452  * the @a address given.
 453  *
 454  * This routine is a wrapper for target->type->read_memory.
 455  */
 456 int target_read_memory(struct target *target,
 457                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
 458 /**
 459  * Write @a count items of @a size bytes to the memory of @a target at
 460  * the @a address given. @a address must be aligned to @a size
 461  * in target memory.
 462  *
 463  * The endianness is the same in the host and target memory for this
 464  * function.
 465  *
 466  * \todo TODO:
 467  * Really @a buffer should have been defined as "const void *" and
 468  * @a buffer should have been aligned to @a size in the host memory.
 469  *
 470  * This is not enforced via e.g. assert's today and e.g. the
 471  * target_write_buffer fn breaks this assumption.
 472  *
 473  * This routine is wrapper for target->type->write_memory.
 474  */
 475 int target_write_memory(struct target *target,
 476                 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
 477
 478 /**
 479  * Write @a count items of 4 bytes to the memory of @a target at
 480  * the @a address given.  Because it operates only on whole words,
 481  * this should be faster than target_write_memory().
 482  *
 483  * This routine is wrapper for target->type->bulk_write_memory.
 484  */
 485 int target_bulk_write_memory(struct target *target,
 486                 uint32_t address, uint32_t count, const uint8_t *buffer);
 487
 488 /*
 489  * Write to target memory using the virtual address.
 490  *
 491  * Note that this fn is used to implement software breakpoints. Targets
 492  * can implement support for software breakpoints to memory marked as read
 493  * only by making this fn write to ram even if it is read only(MMU or
 494  * MPUs).
 495  *
 496  * It is sufficient to implement for writing a single word(16 or 32 in
 497  * ARM32/16 bit case) to write the breakpoint to ram.
 498  *
 499  * The target should also take care of "other things" to make sure that
 500  * software breakpoints can be written using this function. E.g.
 501  * when there is a separate instruction and data cache, this fn must
 502  * make sure that the instruction cache is synced up to the potential
 503  * code change that can happen as a result of the memory write(typically
 504  * by invalidating the cache).
 505  *
 506  * The high level wrapper fn in target.c will break down this memory write
 507  * request to multiple write requests to the target driver to e.g. guarantee
 508  * that writing 4 bytes to an aligned address happens with a single 32 bit
 509  * write operation, thus making this fn suitable to e.g. write to special
 510  * peripheral registers which do not support byte operations.
 511  */
 512 int target_write_buffer(struct target *target,
 513                 uint32_t address, uint32_t size, const uint8_t *buffer);
 514 int target_read_buffer(struct target *target,
 515                 uint32_t address, uint32_t size, uint8_t *buffer);
 516 int target_checksum_memory(struct target *target,
 517                 uint32_t address, uint32_t size, uint32_t *crc);
 518 int target_blank_check_memory(struct target *target,
 519                 uint32_t address, uint32_t size, uint32_t *blank);
 520 int target_wait_state(struct target *target, enum target_state state, int ms);
 521
 522 /** Return the *name* of this targets current state */
 523 const char *target_state_name(struct target *target);
 524
 525 /* DANGER!!!!!
 526  *
 527  * if "area" passed in to target_alloc_working_area() points to a memory
 528  * location that goes out of scope (e.g. a pointer on the stack), then
 529  * the caller of target_alloc_working_area() is responsible for invoking
 530  * target_free_working_area() before "area" goes out of scope.
 531  *
 532  * target_free_all_working_areas() will NULL out the "area" pointer
 533  * upon resuming or resetting the CPU.
 534  *
 535  */
 536 int target_alloc_working_area(struct target *target,
 537                 uint32_t size, struct working_area **area);
 538 /* Same as target_alloc_working_area, except that no error is logged
 539  * when ERROR_TARGET_RESOURCE_NOT_AVAILABLE is returned.
 540  *
 541  * This allows the calling code to *try* to allocate target memory
 542  * and have a fallback to another behaviour(slower?).
 543  */
 544 int target_alloc_working_area_try(struct target *target,
 545                 uint32_t size, struct working_area **area);
 546 int target_free_working_area(struct target *target, struct working_area *area);
 547 void target_free_all_working_areas(struct target *target);
 548 uint32_t target_get_working_area_avail(struct target *target);
 549
 550 extern struct target *all_targets;
 551
 552 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer);
 553 uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer);
 554 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer);
 555 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value);
 556 void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value);
 557 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value);
 558
 559 void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf);
 560 void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, uint32_t count, uint16_t *dstbuf);
 561 void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, uint32_t *srcbuf);
 562 void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, uint16_t *srcbuf);
 563
 564 int target_read_u32(struct target *target, uint32_t address, uint32_t *value);
 565 int target_read_u16(struct target *target, uint32_t address, uint16_t *value);
 566 int target_read_u8(struct target *target, uint32_t address, uint8_t *value);
 567 int target_write_u32(struct target *target, uint32_t address, uint32_t value);
 568 int target_write_u16(struct target *target, uint32_t address, uint16_t value);
 569 int target_write_u8(struct target *target, uint32_t address, uint8_t value);
 570
 571 /* Issues USER() statements with target state information */
 572 int target_arch_state(struct target *target);
 573
 574 void target_handle_event(struct target *t, enum target_event e);
 575
 576 #define ERROR_TARGET_INVALID    (-300)
 577 #define ERROR_TARGET_INIT_FAILED (-301)
 578 #define ERROR_TARGET_TIMEOUT    (-302)
 579 #define ERROR_TARGET_NOT_HALTED (-304)
 580 #define ERROR_TARGET_FAILURE    (-305)
 581 #define ERROR_TARGET_UNALIGNED_ACCESS   (-306)
 582 #define ERROR_TARGET_DATA_ABORT (-307)
 583 #define ERROR_TARGET_RESOURCE_NOT_AVAILABLE     (-308)
 584 #define ERROR_TARGET_TRANSLATION_FAULT  (-309)
 585 #define ERROR_TARGET_NOT_RUNNING (-310)
 586 #define ERROR_TARGET_NOT_EXAMINED (-311)
 587
 588 extern bool get_target_reset_nag(void);
 589
 590 #endif /* TARGET_H */