Fix usage of timeval_ms()
[openocd.git] / src / target / target.h
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007-2010 √ėyvind 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, see <http://www.gnu.org/licenses/>. *
29 ***************************************************************************/
30
31 #ifndef OPENOCD_TARGET_TARGET_H
32 #define OPENOCD_TARGET_TARGET_H
33
34 #include <helper/list.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 struct gdb_fileio_info;
45
46 /*
47 * TARGET_UNKNOWN = 0: we don't know anything about the target yet
48 * TARGET_RUNNING = 1: the target is executing user code
49 * TARGET_HALTED = 2: the target is not executing code, and ready to talk to the
50 * debugger. on an xscale it means that the debug handler is executing
51 * TARGET_RESET = 3: the target is being held in reset (only a temporary state,
52 * not sure how this is used with all the recent changes)
53 * TARGET_DEBUG_RUNNING = 4: the target is running, but it is executing code on
54 * behalf of the debugger (e.g. algorithm for flashing)
55 *
56 * also see: target_state_name();
57 */
58
59 enum target_state {
60 TARGET_UNKNOWN = 0,
61 TARGET_RUNNING = 1,
62 TARGET_HALTED = 2,
63 TARGET_RESET = 3,
64 TARGET_DEBUG_RUNNING = 4,
65 };
66
67 enum nvp_assert {
68 NVP_DEASSERT,
69 NVP_ASSERT,
70 };
71
72 enum target_reset_mode {
73 RESET_UNKNOWN = 0,
74 RESET_RUN = 1, /* reset and let target run */
75 RESET_HALT = 2, /* reset and halt target out of reset */
76 RESET_INIT = 3, /* reset and halt target out of reset, then run init script */
77 };
78
79 enum target_debug_reason {
80 DBG_REASON_DBGRQ = 0,
81 DBG_REASON_BREAKPOINT = 1,
82 DBG_REASON_WATCHPOINT = 2,
83 DBG_REASON_WPTANDBKPT = 3,
84 DBG_REASON_SINGLESTEP = 4,
85 DBG_REASON_NOTHALTED = 5,
86 DBG_REASON_EXIT = 6,
87 DBG_REASON_UNDEFINED = 7,
88 };
89
90 enum target_endianness {
91 TARGET_ENDIAN_UNKNOWN = 0,
92 TARGET_BIG_ENDIAN = 1, TARGET_LITTLE_ENDIAN = 2
93 };
94
95 struct working_area {
96 uint32_t address;
97 uint32_t size;
98 bool free;
99 uint8_t *backup;
100 struct working_area **user;
101 struct working_area *next;
102 };
103
104 struct gdb_service {
105 struct target *target;
106 /* field for smp display */
107 /* element 0 coreid currently displayed ( 1 till n) */
108 /* element 1 coreid to be displayed at next resume 1 till n 0 means resume
109 * all cores core displayed */
110 int32_t core[2];
111 };
112
113 /* target back off timer */
114 struct backoff_timer {
115 int times;
116 int count;
117 };
118
119 /* split target registers into multiple class */
120 enum target_register_class {
121 REG_CLASS_ALL,
122 REG_CLASS_GENERAL,
123 };
124
125 /* target_type.h contains the full definition of struct target_type */
126 struct target {
127 struct target_type *type; /* target type definition (name, access functions) */
128 const char *cmd_name; /* tcl Name of target */
129 int target_number; /* DO NOT USE! field to be removed in 2010 */
130 struct jtag_tap *tap; /* where on the jtag chain is this */
131 int32_t coreid; /* which device on the TAP? */
132
133 /**
134 * Indicates whether this target has been examined.
135 *
136 * Do @b not access this field directly, use target_was_examined()
137 * or target_set_examined().
138 */
139 bool examined;
140
141 /**
142 * true if the target is currently running a downloaded
143 * "algorithm" instead of arbitrary user code. OpenOCD code
144 * invoking algorithms is trusted to maintain correctness of
145 * any cached state (e.g. for flash status), which arbitrary
146 * code will have no reason to know about.
147 */
148 bool running_alg;
149
150 struct target_event_action *event_action;
151
152 int reset_halt; /* attempt resetting the CPU into the halted mode? */
153 uint32_t working_area; /* working area (initialised RAM). Evaluated
154 * upon first allocation from virtual/physical address. */
155 bool working_area_virt_spec; /* virtual address specified? */
156 uint32_t working_area_virt; /* virtual address */
157 bool working_area_phys_spec; /* virtual address specified? */
158 uint32_t working_area_phys; /* physical address */
159 uint32_t working_area_size; /* size in bytes */
160 uint32_t backup_working_area; /* whether the content of the working area has to be preserved */
161 struct working_area *working_areas;/* list of allocated working areas */
162 enum target_debug_reason debug_reason;/* reason why the target entered debug state */
163 enum target_endianness endianness; /* target endianness */
164 /* also see: target_state_name() */
165 enum target_state state; /* the current backend-state (running, halted, ...) */
166 struct reg_cache *reg_cache; /* the first register cache of the target (core regs) */
167 struct breakpoint *breakpoints; /* list of breakpoints */
168 struct watchpoint *watchpoints; /* list of watchpoints */
169 struct trace *trace_info; /* generic trace information */
170 struct debug_msg_receiver *dbgmsg; /* list of debug message receivers */
171 uint32_t dbg_msg_enabled; /* debug message status */
172 void *arch_info; /* architecture specific information */
173 struct target *next; /* next target in list */
174
175 int display; /* display async info in telnet session. Do not display
176 * lots of halted/resumed info when stepping in debugger. */
177 bool halt_issued; /* did we transition to halted state? */
178 int64_t halt_issued_time; /* Note time when halt was issued */
179
180 bool dbgbase_set; /* By default the debug base is not set */
181 uint32_t dbgbase; /* Really a Cortex-A specific option, but there is no
182 * system in place to support target specific options
183 * currently. */
184 struct rtos *rtos; /* Instance of Real Time Operating System support */
185 bool rtos_auto_detect; /* A flag that indicates that the RTOS has been specified as "auto"
186 * and must be detected when symbols are offered */
187 struct backoff_timer backoff;
188 int smp; /* add some target attributes for smp support */
189 struct target_list *head;
190 /* the gdb service is there in case of smp, we have only one gdb server
191 * for all smp target
192 * the target attached to the gdb is changing dynamically by changing
193 * gdb_service->target pointer */
194 struct gdb_service *gdb_service;
195
196 /* file-I/O information for host to do syscall */
197 struct gdb_fileio_info *fileio_info;
198 };
199
200 struct target_list {
201 struct target *target;
202 struct target_list *next;
203 };
204
205 struct gdb_fileio_info {
206 char *identifier;
207 uint32_t param_1;
208 uint32_t param_2;
209 uint32_t param_3;
210 uint32_t param_4;
211 };
212
213 /** Returns the instance-specific name of the specified target. */
214 static inline const char *target_name(struct target *target)
215 {
216 return target->cmd_name;
217 }
218
219 const char *debug_reason_name(struct target *t);
220
221 enum target_event {
222
223 /* allow GDB to do stuff before others handle the halted event,
224 * this is in lieu of defining ordering of invocation of events,
225 * which would be more complicated
226 *
227 * Telling GDB to halt does not mean that the target stopped running,
228 * simply that we're dropping out of GDB's waiting for step or continue.
229 *
230 * This can be useful when e.g. detecting power dropout.
231 */
232 TARGET_EVENT_GDB_HALT,
233 TARGET_EVENT_HALTED, /* target entered debug state from normal execution or reset */
234 TARGET_EVENT_RESUMED, /* target resumed to normal execution */
235 TARGET_EVENT_RESUME_START,
236 TARGET_EVENT_RESUME_END,
237
238 TARGET_EVENT_GDB_START, /* debugger started execution (step/run) */
239 TARGET_EVENT_GDB_END, /* debugger stopped execution (step/run) */
240
241 TARGET_EVENT_RESET_START,
242 TARGET_EVENT_RESET_ASSERT_PRE,
243 TARGET_EVENT_RESET_ASSERT, /* C code uses this instead of SRST */
244 TARGET_EVENT_RESET_ASSERT_POST,
245 TARGET_EVENT_RESET_DEASSERT_PRE,
246 TARGET_EVENT_RESET_DEASSERT_POST,
247 TARGET_EVENT_RESET_HALT_PRE,
248 TARGET_EVENT_RESET_HALT_POST,
249 TARGET_EVENT_RESET_WAIT_PRE,
250 TARGET_EVENT_RESET_WAIT_POST,
251 TARGET_EVENT_RESET_INIT,
252 TARGET_EVENT_RESET_END,
253
254 TARGET_EVENT_DEBUG_HALTED, /* target entered debug state, but was executing on behalf of the debugger */
255 TARGET_EVENT_DEBUG_RESUMED, /* target resumed to execute on behalf of the debugger */
256
257 TARGET_EVENT_EXAMINE_START,
258 TARGET_EVENT_EXAMINE_END,
259
260 TARGET_EVENT_GDB_ATTACH,
261 TARGET_EVENT_GDB_DETACH,
262
263 TARGET_EVENT_GDB_FLASH_ERASE_START,
264 TARGET_EVENT_GDB_FLASH_ERASE_END,
265 TARGET_EVENT_GDB_FLASH_WRITE_START,
266 TARGET_EVENT_GDB_FLASH_WRITE_END,
267
268 TARGET_EVENT_TRACE_CONFIG,
269 };
270
271 struct target_event_action {
272 enum target_event event;
273 struct Jim_Interp *interp;
274 struct Jim_Obj *body;
275 int has_percent;
276 struct target_event_action *next;
277 };
278
279 bool target_has_event_action(struct target *target, enum target_event event);
280
281 struct target_event_callback {
282 int (*callback)(struct target *target, enum target_event event, void *priv);
283 void *priv;
284 struct target_event_callback *next;
285 };
286
287 struct target_reset_callback {
288 struct list_head list;
289 void *priv;
290 int (*callback)(struct target *target, enum target_reset_mode reset_mode, void *priv);
291 };
292
293 struct target_trace_callback {
294 struct list_head list;
295 void *priv;
296 int (*callback)(struct target *target, size_t len, uint8_t *data, void *priv);
297 };
298
299 struct target_timer_callback {
300 int (*callback)(void *priv);
301 int time_ms;
302 int periodic;
303 bool removed;
304 struct timeval when;
305 void *priv;
306 struct target_timer_callback *next;
307 };
308
309 int target_register_commands(struct command_context *cmd_ctx);
310 int target_examine(void);
311
312 int target_register_event_callback(
313 int (*callback)(struct target *target,
314 enum target_event event, void *priv),
315 void *priv);
316 int target_unregister_event_callback(
317 int (*callback)(struct target *target,
318 enum target_event event, void *priv),
319 void *priv);
320
321 int target_register_reset_callback(
322 int (*callback)(struct target *target,
323 enum target_reset_mode reset_mode, void *priv),
324 void *priv);
325 int target_unregister_reset_callback(
326 int (*callback)(struct target *target,
327 enum target_reset_mode reset_mode, void *priv),
328 void *priv);
329
330 int target_register_trace_callback(
331 int (*callback)(struct target *target,
332 size_t len, uint8_t *data, void *priv),
333 void *priv);
334 int target_unregister_trace_callback(
335 int (*callback)(struct target *target,
336 size_t len, uint8_t *data, void *priv),
337 void *priv);
338
339 /* Poll the status of the target, detect any error conditions and report them.
340 *
341 * Also note that this fn will clear such error conditions, so a subsequent
342 * invocation will then succeed.
343 *
344 * These error conditions can be "sticky" error conditions. E.g. writing
345 * to memory could be implemented as an open loop and if memory writes
346 * fails, then a note is made of it, the error is sticky, but the memory
347 * write loop still runs to completion. This improves performance in the
348 * normal case as there is no need to verify that every single write succeed,
349 * yet it is possible to detect error conditions.
350 */
351 int target_poll(struct target *target);
352 int target_resume(struct target *target, int current, uint32_t address,
353 int handle_breakpoints, int debug_execution);
354 int target_halt(struct target *target);
355 int target_call_event_callbacks(struct target *target, enum target_event event);
356 int target_call_reset_callbacks(struct target *target, enum target_reset_mode reset_mode);
357 int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data);
358
359 /**
360 * The period is very approximate, the callback can happen much more often
361 * or much more rarely than specified
362 */
363 int target_register_timer_callback(int (*callback)(void *priv),
364 int time_ms, int periodic, void *priv);
365 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv);
366 int target_call_timer_callbacks(void);
367 /**
368 * Invoke this to ensure that e.g. polling timer callbacks happen before
369 * a synchronous command completes.
370 */
371 int target_call_timer_callbacks_now(void);
372
373 struct target *get_target_by_num(int num);
374 struct target *get_current_target(struct command_context *cmd_ctx);
375 struct target *get_target(const char *id);
376
377 /**
378 * Get the target type name.
379 *
380 * This routine is a wrapper for the target->type->name field.
381 * Note that this is not an instance-specific name for his target.
382 */
383 const char *target_type_name(struct target *target);
384
385 /**
386 * Examine the specified @a target, letting it perform any
387 * Initialisation that requires JTAG access.
388 *
389 * This routine is a wrapper for target->type->examine.
390 */
391 int target_examine_one(struct target *target);
392
393 /** @returns @c true if target_set_examined() has been called. */
394 static inline bool target_was_examined(struct target *target)
395 {
396 return target->examined;
397 }
398
399 /** Sets the @c examined flag for the given target. */
400 /** Use in target->type->examine() after one-time setup is done. */
401 static inline void target_set_examined(struct target *target)
402 {
403 target->examined = true;
404 }
405
406 /**
407 * Add the @a breakpoint for @a target.
408 *
409 * This routine is a wrapper for target->type->add_breakpoint.
410 */
411 int target_add_breakpoint(struct target *target,
412 struct breakpoint *breakpoint);
413 /**
414 * Add the @a ContextID breakpoint for @a target.
415 *
416 * This routine is a wrapper for target->type->add_context_breakpoint.
417 */
418 int target_add_context_breakpoint(struct target *target,
419 struct breakpoint *breakpoint);
420 /**
421 * Add the @a ContextID & IVA breakpoint for @a target.
422 *
423 * This routine is a wrapper for target->type->add_hybrid_breakpoint.
424 */
425 int target_add_hybrid_breakpoint(struct target *target,
426 struct breakpoint *breakpoint);
427 /**
428 * Remove the @a breakpoint for @a target.
429 *
430 * This routine is a wrapper for target->type->remove_breakpoint.
431 */
432
433 int target_remove_breakpoint(struct target *target,
434 struct breakpoint *breakpoint);
435 /**
436 * Add the @a watchpoint for @a target.
437 *
438 * This routine is a wrapper for target->type->add_watchpoint.
439 */
440 int target_add_watchpoint(struct target *target,
441 struct watchpoint *watchpoint);
442 /**
443 * Remove the @a watchpoint for @a target.
444 *
445 * This routine is a wrapper for target->type->remove_watchpoint.
446 */
447 int target_remove_watchpoint(struct target *target,
448 struct watchpoint *watchpoint);
449
450 /**
451 * Find out the just hit @a watchpoint for @a target.
452 *
453 * This routine is a wrapper for target->type->hit_watchpoint.
454 */
455 int target_hit_watchpoint(struct target *target,
456 struct watchpoint **watchpoint);
457
458 /**
459 * Obtain the registers for GDB.
460 *
461 * This routine is a wrapper for target->type->get_gdb_reg_list.
462 */
463 int target_get_gdb_reg_list(struct target *target,
464 struct reg **reg_list[], int *reg_list_size,
465 enum target_register_class reg_class);
466
467 /**
468 * Step the target.
469 *
470 * This routine is a wrapper for target->type->step.
471 */
472 int target_step(struct target *target,
473 int current, uint32_t address, int handle_breakpoints);
474 /**
475 * Run an algorithm on the @a target given.
476 *
477 * This routine is a wrapper for target->type->run_algorithm.
478 */
479 int target_run_algorithm(struct target *target,
480 int num_mem_params, struct mem_param *mem_params,
481 int num_reg_params, struct reg_param *reg_param,
482 uint32_t entry_point, uint32_t exit_point,
483 int timeout_ms, void *arch_info);
484
485 /**
486 * Starts an algorithm in the background on the @a target given.
487 *
488 * This routine is a wrapper for target->type->start_algorithm.
489 */
490 int target_start_algorithm(struct target *target,
491 int num_mem_params, struct mem_param *mem_params,
492 int num_reg_params, struct reg_param *reg_params,
493 uint32_t entry_point, uint32_t exit_point,
494 void *arch_info);
495
496 /**
497 * Wait for an algorithm on the @a target given.
498 *
499 * This routine is a wrapper for target->type->wait_algorithm.
500 */
501 int target_wait_algorithm(struct target *target,
502 int num_mem_params, struct mem_param *mem_params,
503 int num_reg_params, struct reg_param *reg_params,
504 uint32_t exit_point, int timeout_ms,
505 void *arch_info);
506
507 /**
508 * This routine is a wrapper for asynchronous algorithms.
509 *
510 */
511 int target_run_flash_async_algorithm(struct target *target,
512 const uint8_t *buffer, uint32_t count, int block_size,
513 int num_mem_params, struct mem_param *mem_params,
514 int num_reg_params, struct reg_param *reg_params,
515 uint32_t buffer_start, uint32_t buffer_size,
516 uint32_t entry_point, uint32_t exit_point,
517 void *arch_info);
518
519 /**
520 * Read @a count items of @a size bytes from the memory of @a target at
521 * the @a address given.
522 *
523 * This routine is a wrapper for target->type->read_memory.
524 */
525 int target_read_memory(struct target *target,
526 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
527 int target_read_phys_memory(struct target *target,
528 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
529 /**
530 * Write @a count items of @a size bytes to the memory of @a target at
531 * the @a address given. @a address must be aligned to @a size
532 * in target memory.
533 *
534 * The endianness is the same in the host and target memory for this
535 * function.
536 *
537 * \todo TODO:
538 * Really @a buffer should have been defined as "const void *" and
539 * @a buffer should have been aligned to @a size in the host memory.
540 *
541 * This is not enforced via e.g. assert's today and e.g. the
542 * target_write_buffer fn breaks this assumption.
543 *
544 * This routine is wrapper for target->type->write_memory.
545 */
546 int target_write_memory(struct target *target,
547 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
548 int target_write_phys_memory(struct target *target,
549 uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
550
551 /*
552 * Write to target memory using the virtual address.
553 *
554 * Note that this fn is used to implement software breakpoints. Targets
555 * can implement support for software breakpoints to memory marked as read
556 * only by making this fn write to ram even if it is read only(MMU or
557 * MPUs).
558 *
559 * It is sufficient to implement for writing a single word(16 or 32 in
560 * ARM32/16 bit case) to write the breakpoint to ram.
561 *
562 * The target should also take care of "other things" to make sure that
563 * software breakpoints can be written using this function. E.g.
564 * when there is a separate instruction and data cache, this fn must
565 * make sure that the instruction cache is synced up to the potential
566 * code change that can happen as a result of the memory write(typically
567 * by invalidating the cache).
568 *
569 * The high level wrapper fn in target.c will break down this memory write
570 * request to multiple write requests to the target driver to e.g. guarantee
571 * that writing 4 bytes to an aligned address happens with a single 32 bit
572 * write operation, thus making this fn suitable to e.g. write to special
573 * peripheral registers which do not support byte operations.
574 */
575 int target_write_buffer(struct target *target,
576 uint32_t address, uint32_t size, const uint8_t *buffer);
577 int target_read_buffer(struct target *target,
578 uint32_t address, uint32_t size, uint8_t *buffer);
579 int target_checksum_memory(struct target *target,
580 uint32_t address, uint32_t size, uint32_t *crc);
581 int target_blank_check_memory(struct target *target,
582 uint32_t address, uint32_t size, uint32_t *blank);
583 int target_wait_state(struct target *target, enum target_state state, int ms);
584
585 /**
586 * Obtain file-I/O information from target for GDB to do syscall.
587 *
588 * This routine is a wrapper for target->type->get_gdb_fileio_info.
589 */
590 int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fileio_info);
591
592 /**
593 * Pass GDB file-I/O response to target after finishing host syscall.
594 *
595 * This routine is a wrapper for target->type->gdb_fileio_end.
596 */
597 int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, bool ctrl_c);
598
599
600
601 /** Return the *name* of this targets current state */
602 const char *target_state_name(struct target *target);
603
604 /** Return the *name* of a target event enumeration value */
605 const char *target_event_name(enum target_event event);
606
607 /** Return the *name* of a target reset reason enumeration value */
608 const char *target_reset_mode_name(enum target_reset_mode reset_mode);
609
610 /* DANGER!!!!!
611 *
612 * if "area" passed in to target_alloc_working_area() points to a memory
613 * location that goes out of scope (e.g. a pointer on the stack), then
614 * the caller of target_alloc_working_area() is responsible for invoking
615 * target_free_working_area() before "area" goes out of scope.
616 *
617 * target_free_all_working_areas() will NULL out the "area" pointer
618 * upon resuming or resetting the CPU.
619 *
620 */
621 int target_alloc_working_area(struct target *target,
622 uint32_t size, struct working_area **area);
623 /* Same as target_alloc_working_area, except that no error is logged
624 * when ERROR_TARGET_RESOURCE_NOT_AVAILABLE is returned.
625 *
626 * This allows the calling code to *try* to allocate target memory
627 * and have a fallback to another behaviour(slower?).
628 */
629 int target_alloc_working_area_try(struct target *target,
630 uint32_t size, struct working_area **area);
631 int target_free_working_area(struct target *target, struct working_area *area);
632 void target_free_all_working_areas(struct target *target);
633 uint32_t target_get_working_area_avail(struct target *target);
634
635 /**
636 * Free all the resources allocated by targets and the target layer
637 */
638 void target_quit(void);
639
640 extern struct target *all_targets;
641
642 uint64_t target_buffer_get_u64(struct target *target, const uint8_t *buffer);
643 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer);
644 uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer);
645 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer);
646 void target_buffer_set_u64(struct target *target, uint8_t *buffer, uint64_t value);
647 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value);
648 void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value);
649 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value);
650
651 void target_buffer_get_u64_array(struct target *target, const uint8_t *buffer, uint32_t count, uint64_t *dstbuf);
652 void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf);
653 void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, uint32_t count, uint16_t *dstbuf);
654 void target_buffer_set_u64_array(struct target *target, uint8_t *buffer, uint32_t count, const uint64_t *srcbuf);
655 void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, const uint32_t *srcbuf);
656 void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, const uint16_t *srcbuf);
657
658 int target_read_u64(struct target *target, uint64_t address, uint64_t *value);
659 int target_read_u32(struct target *target, uint32_t address, uint32_t *value);
660 int target_read_u16(struct target *target, uint32_t address, uint16_t *value);
661 int target_read_u8(struct target *target, uint32_t address, uint8_t *value);
662 int target_write_u64(struct target *target, uint64_t address, uint64_t value);
663 int target_write_u32(struct target *target, uint32_t address, uint32_t value);
664 int target_write_u16(struct target *target, uint32_t address, uint16_t value);
665 int target_write_u8(struct target *target, uint32_t address, uint8_t value);
666
667 /* Issues USER() statements with target state information */
668 int target_arch_state(struct target *target);
669
670 void target_handle_event(struct target *t, enum target_event e);
671
672 #define ERROR_TARGET_INVALID (-300)
673 #define ERROR_TARGET_INIT_FAILED (-301)
674 #define ERROR_TARGET_TIMEOUT (-302)
675 #define ERROR_TARGET_NOT_HALTED (-304)
676 #define ERROR_TARGET_FAILURE (-305)
677 #define ERROR_TARGET_UNALIGNED_ACCESS (-306)
678 #define ERROR_TARGET_DATA_ABORT (-307)
679 #define ERROR_TARGET_RESOURCE_NOT_AVAILABLE (-308)
680 #define ERROR_TARGET_TRANSLATION_FAULT (-309)
681 #define ERROR_TARGET_NOT_RUNNING (-310)
682 #define ERROR_TARGET_NOT_EXAMINED (-311)
683
684 extern bool get_target_reset_nag(void);
685
686 #endif /* OPENOCD_TARGET_TARGET_H */