target: Fix memory leak
[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 target_addr_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 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 /** Should we defer examine to later */
134 bool defer_examine;
135
136 /**
137 * Indicates whether this target has been examined.
138 *
139 * Do @b not access this field directly, use target_was_examined()
140 * or target_set_examined().
141 */
142 bool examined;
143
144 /**
145 * true if the target is currently running a downloaded
146 * "algorithm" instead of arbitrary user code. OpenOCD code
147 * invoking algorithms is trusted to maintain correctness of
148 * any cached state (e.g. for flash status), which arbitrary
149 * code will have no reason to know about.
150 */
151 bool running_alg;
152
153 struct target_event_action *event_action;
154
155 int reset_halt; /* attempt resetting the CPU into the halted mode? */
156 uint32_t working_area; /* working area (initialised RAM). Evaluated
157 * upon first allocation from virtual/physical address. */
158 bool working_area_virt_spec; /* virtual address specified? */
159 target_addr_t working_area_virt; /* virtual address */
160 bool working_area_phys_spec; /* physical address specified? */
161 target_addr_t working_area_phys; /* physical address */
162 uint32_t working_area_size; /* size in bytes */
163 uint32_t backup_working_area; /* whether the content of the working area has to be preserved */
164 struct working_area *working_areas;/* list of allocated working areas */
165 enum target_debug_reason debug_reason;/* reason why the target entered debug state */
166 enum target_endianness endianness; /* target endianness */
167 /* also see: target_state_name() */
168 enum target_state state; /* the current backend-state (running, halted, ...) */
169 struct reg_cache *reg_cache; /* the first register cache of the target (core regs) */
170 struct breakpoint *breakpoints; /* list of breakpoints */
171 struct watchpoint *watchpoints; /* list of watchpoints */
172 struct trace *trace_info; /* generic trace information */
173 struct debug_msg_receiver *dbgmsg; /* list of debug message receivers */
174 uint32_t dbg_msg_enabled; /* debug message status */
175 void *arch_info; /* architecture specific information */
176 void *private_config; /* pointer to target specific config data (for jim_configure hook) */
177 struct target *next; /* next target in list */
178
179 int display; /* display async info in telnet session. Do not display
180 * lots of halted/resumed info when stepping in debugger. */
181 bool halt_issued; /* did we transition to halted state? */
182 int64_t halt_issued_time; /* Note time when halt was issued */
183
184 bool dbgbase_set; /* By default the debug base is not set */
185 uint32_t dbgbase; /* Really a Cortex-A specific option, but there is no
186 * system in place to support target specific options
187 * currently. */
188
189 bool ctibase_set; /* By default the debug base is not set */
190 uint32_t ctibase; /* Really a Cortex-A specific option, but there is no
191 * system in place to support target specific options
192 * currently. */
193 struct rtos *rtos; /* Instance of Real Time Operating System support */
194 bool rtos_auto_detect; /* A flag that indicates that the RTOS has been specified as "auto"
195 * and must be detected when symbols are offered */
196 struct backoff_timer backoff;
197 int smp; /* add some target attributes for smp support */
198 struct target_list *head;
199 /* the gdb service is there in case of smp, we have only one gdb server
200 * for all smp target
201 * the target attached to the gdb is changing dynamically by changing
202 * gdb_service->target pointer */
203 struct gdb_service *gdb_service;
204
205 /* file-I/O information for host to do syscall */
206 struct gdb_fileio_info *fileio_info;
207 };
208
209 struct target_list {
210 struct target *target;
211 struct target_list *next;
212 };
213
214 struct gdb_fileio_info {
215 char *identifier;
216 uint32_t param_1;
217 uint32_t param_2;
218 uint32_t param_3;
219 uint32_t param_4;
220 };
221
222 /** Returns the instance-specific name of the specified target. */
223 static inline const char *target_name(struct target *target)
224 {
225 return target->cmd_name;
226 }
227
228 const char *debug_reason_name(struct target *t);
229
230 enum target_event {
231
232 /* allow GDB to do stuff before others handle the halted event,
233 * this is in lieu of defining ordering of invocation of events,
234 * which would be more complicated
235 *
236 * Telling GDB to halt does not mean that the target stopped running,
237 * simply that we're dropping out of GDB's waiting for step or continue.
238 *
239 * This can be useful when e.g. detecting power dropout.
240 */
241 TARGET_EVENT_GDB_HALT,
242 TARGET_EVENT_HALTED, /* target entered debug state from normal execution or reset */
243 TARGET_EVENT_RESUMED, /* target resumed to normal execution */
244 TARGET_EVENT_RESUME_START,
245 TARGET_EVENT_RESUME_END,
246
247 TARGET_EVENT_GDB_START, /* debugger started execution (step/run) */
248 TARGET_EVENT_GDB_END, /* debugger stopped execution (step/run) */
249
250 TARGET_EVENT_RESET_START,
251 TARGET_EVENT_RESET_ASSERT_PRE,
252 TARGET_EVENT_RESET_ASSERT, /* C code uses this instead of SRST */
253 TARGET_EVENT_RESET_ASSERT_POST,
254 TARGET_EVENT_RESET_DEASSERT_PRE,
255 TARGET_EVENT_RESET_DEASSERT_POST,
256 TARGET_EVENT_RESET_HALT_PRE,
257 TARGET_EVENT_RESET_HALT_POST,
258 TARGET_EVENT_RESET_WAIT_PRE,
259 TARGET_EVENT_RESET_WAIT_POST,
260 TARGET_EVENT_RESET_INIT,
261 TARGET_EVENT_RESET_END,
262
263 TARGET_EVENT_DEBUG_HALTED, /* target entered debug state, but was executing on behalf of the debugger */
264 TARGET_EVENT_DEBUG_RESUMED, /* target resumed to execute on behalf of the debugger */
265
266 TARGET_EVENT_EXAMINE_START,
267 TARGET_EVENT_EXAMINE_END,
268
269 TARGET_EVENT_GDB_ATTACH,
270 TARGET_EVENT_GDB_DETACH,
271
272 TARGET_EVENT_GDB_FLASH_ERASE_START,
273 TARGET_EVENT_GDB_FLASH_ERASE_END,
274 TARGET_EVENT_GDB_FLASH_WRITE_START,
275 TARGET_EVENT_GDB_FLASH_WRITE_END,
276
277 TARGET_EVENT_TRACE_CONFIG,
278 };
279
280 struct target_event_action {
281 enum target_event event;
282 struct Jim_Interp *interp;
283 struct Jim_Obj *body;
284 int has_percent;
285 struct target_event_action *next;
286 };
287
288 bool target_has_event_action(struct target *target, enum target_event event);
289
290 struct target_event_callback {
291 int (*callback)(struct target *target, enum target_event event, void *priv);
292 void *priv;
293 struct target_event_callback *next;
294 };
295
296 struct target_reset_callback {
297 struct list_head list;
298 void *priv;
299 int (*callback)(struct target *target, enum target_reset_mode reset_mode, void *priv);
300 };
301
302 struct target_trace_callback {
303 struct list_head list;
304 void *priv;
305 int (*callback)(struct target *target, size_t len, uint8_t *data, void *priv);
306 };
307
308 struct target_timer_callback {
309 int (*callback)(void *priv);
310 int time_ms;
311 int periodic;
312 bool removed;
313 struct timeval when;
314 void *priv;
315 struct target_timer_callback *next;
316 };
317
318 int target_register_commands(struct command_context *cmd_ctx);
319 int target_examine(void);
320
321 int target_register_event_callback(
322 int (*callback)(struct target *target,
323 enum target_event event, void *priv),
324 void *priv);
325 int target_unregister_event_callback(
326 int (*callback)(struct target *target,
327 enum target_event event, void *priv),
328 void *priv);
329
330 int target_register_reset_callback(
331 int (*callback)(struct target *target,
332 enum target_reset_mode reset_mode, void *priv),
333 void *priv);
334 int target_unregister_reset_callback(
335 int (*callback)(struct target *target,
336 enum target_reset_mode reset_mode, void *priv),
337 void *priv);
338
339 int target_register_trace_callback(
340 int (*callback)(struct target *target,
341 size_t len, uint8_t *data, void *priv),
342 void *priv);
343 int target_unregister_trace_callback(
344 int (*callback)(struct target *target,
345 size_t len, uint8_t *data, void *priv),
346 void *priv);
347
348 /* Poll the status of the target, detect any error conditions and report them.
349 *
350 * Also note that this fn will clear such error conditions, so a subsequent
351 * invocation will then succeed.
352 *
353 * These error conditions can be "sticky" error conditions. E.g. writing
354 * to memory could be implemented as an open loop and if memory writes
355 * fails, then a note is made of it, the error is sticky, but the memory
356 * write loop still runs to completion. This improves performance in the
357 * normal case as there is no need to verify that every single write succeed,
358 * yet it is possible to detect error conditions.
359 */
360 int target_poll(struct target *target);
361 int target_resume(struct target *target, int current, target_addr_t address,
362 int handle_breakpoints, int debug_execution);
363 int target_halt(struct target *target);
364 int target_call_event_callbacks(struct target *target, enum target_event event);
365 int target_call_reset_callbacks(struct target *target, enum target_reset_mode reset_mode);
366 int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data);
367
368 /**
369 * The period is very approximate, the callback can happen much more often
370 * or much more rarely than specified
371 */
372 int target_register_timer_callback(int (*callback)(void *priv),
373 int time_ms, int periodic, void *priv);
374 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv);
375 int target_call_timer_callbacks(void);
376 /**
377 * Invoke this to ensure that e.g. polling timer callbacks happen before
378 * a synchronous command completes.
379 */
380 int target_call_timer_callbacks_now(void);
381
382 struct target *get_target_by_num(int num);
383 struct target *get_current_target(struct command_context *cmd_ctx);
384 struct target *get_target(const char *id);
385
386 /**
387 * Get the target type name.
388 *
389 * This routine is a wrapper for the target->type->name field.
390 * Note that this is not an instance-specific name for his target.
391 */
392 const char *target_type_name(struct target *target);
393
394 /**
395 * Examine the specified @a target, letting it perform any
396 * Initialisation that requires JTAG access.
397 *
398 * This routine is a wrapper for target->type->examine.
399 */
400 int target_examine_one(struct target *target);
401
402 /** @returns @c true if target_set_examined() has been called. */
403 static inline bool target_was_examined(struct target *target)
404 {
405 return target->examined;
406 }
407
408 /** Sets the @c examined flag for the given target. */
409 /** Use in target->type->examine() after one-time setup is done. */
410 static inline void target_set_examined(struct target *target)
411 {
412 target->examined = true;
413 }
414
415 /**
416 * Add the @a breakpoint for @a target.
417 *
418 * This routine is a wrapper for target->type->add_breakpoint.
419 */
420 int target_add_breakpoint(struct target *target,
421 struct breakpoint *breakpoint);
422 /**
423 * Add the @a ContextID breakpoint for @a target.
424 *
425 * This routine is a wrapper for target->type->add_context_breakpoint.
426 */
427 int target_add_context_breakpoint(struct target *target,
428 struct breakpoint *breakpoint);
429 /**
430 * Add the @a ContextID & IVA breakpoint for @a target.
431 *
432 * This routine is a wrapper for target->type->add_hybrid_breakpoint.
433 */
434 int target_add_hybrid_breakpoint(struct target *target,
435 struct breakpoint *breakpoint);
436 /**
437 * Remove the @a breakpoint for @a target.
438 *
439 * This routine is a wrapper for target->type->remove_breakpoint.
440 */
441
442 int target_remove_breakpoint(struct target *target,
443 struct breakpoint *breakpoint);
444 /**
445 * Add the @a watchpoint for @a target.
446 *
447 * This routine is a wrapper for target->type->add_watchpoint.
448 */
449 int target_add_watchpoint(struct target *target,
450 struct watchpoint *watchpoint);
451 /**
452 * Remove the @a watchpoint for @a target.
453 *
454 * This routine is a wrapper for target->type->remove_watchpoint.
455 */
456 int target_remove_watchpoint(struct target *target,
457 struct watchpoint *watchpoint);
458
459 /**
460 * Find out the just hit @a watchpoint for @a target.
461 *
462 * This routine is a wrapper for target->type->hit_watchpoint.
463 */
464 int target_hit_watchpoint(struct target *target,
465 struct watchpoint **watchpoint);
466
467 /**
468 * Obtain the registers for GDB.
469 *
470 * This routine is a wrapper for target->type->get_gdb_reg_list.
471 */
472 int target_get_gdb_reg_list(struct target *target,
473 struct reg **reg_list[], int *reg_list_size,
474 enum target_register_class reg_class);
475
476 /**
477 * Step the target.
478 *
479 * This routine is a wrapper for target->type->step.
480 */
481 int target_step(struct target *target,
482 int current, target_addr_t address, int handle_breakpoints);
483 /**
484 * Run an algorithm on the @a target given.
485 *
486 * This routine is a wrapper for target->type->run_algorithm.
487 */
488 int target_run_algorithm(struct target *target,
489 int num_mem_params, struct mem_param *mem_params,
490 int num_reg_params, struct reg_param *reg_param,
491 uint32_t entry_point, uint32_t exit_point,
492 int timeout_ms, void *arch_info);
493
494 /**
495 * Starts an algorithm in the background on the @a target given.
496 *
497 * This routine is a wrapper for target->type->start_algorithm.
498 */
499 int target_start_algorithm(struct target *target,
500 int num_mem_params, struct mem_param *mem_params,
501 int num_reg_params, struct reg_param *reg_params,
502 uint32_t entry_point, uint32_t exit_point,
503 void *arch_info);
504
505 /**
506 * Wait for an algorithm on the @a target given.
507 *
508 * This routine is a wrapper for target->type->wait_algorithm.
509 */
510 int target_wait_algorithm(struct target *target,
511 int num_mem_params, struct mem_param *mem_params,
512 int num_reg_params, struct reg_param *reg_params,
513 uint32_t exit_point, int timeout_ms,
514 void *arch_info);
515
516 /**
517 * This routine is a wrapper for asynchronous algorithms.
518 *
519 */
520 int target_run_flash_async_algorithm(struct target *target,
521 const uint8_t *buffer, uint32_t count, int block_size,
522 int num_mem_params, struct mem_param *mem_params,
523 int num_reg_params, struct reg_param *reg_params,
524 uint32_t buffer_start, uint32_t buffer_size,
525 uint32_t entry_point, uint32_t exit_point,
526 void *arch_info);
527
528 /**
529 * Read @a count items of @a size bytes from the memory of @a target at
530 * the @a address given.
531 *
532 * This routine is a wrapper for target->type->read_memory.
533 */
534 int target_read_memory(struct target *target,
535 target_addr_t address, uint32_t size, uint32_t count, uint8_t *buffer);
536 int target_read_phys_memory(struct target *target,
537 target_addr_t address, uint32_t size, uint32_t count, uint8_t *buffer);
538 /**
539 * Write @a count items of @a size bytes to the memory of @a target at
540 * the @a address given. @a address must be aligned to @a size
541 * in target memory.
542 *
543 * The endianness is the same in the host and target memory for this
544 * function.
545 *
546 * \todo TODO:
547 * Really @a buffer should have been defined as "const void *" and
548 * @a buffer should have been aligned to @a size in the host memory.
549 *
550 * This is not enforced via e.g. assert's today and e.g. the
551 * target_write_buffer fn breaks this assumption.
552 *
553 * This routine is wrapper for target->type->write_memory.
554 */
555 int target_write_memory(struct target *target,
556 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
557 int target_write_phys_memory(struct target *target,
558 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
559
560 /*
561 * Write to target memory using the virtual address.
562 *
563 * Note that this fn is used to implement software breakpoints. Targets
564 * can implement support for software breakpoints to memory marked as read
565 * only by making this fn write to ram even if it is read only(MMU or
566 * MPUs).
567 *
568 * It is sufficient to implement for writing a single word(16 or 32 in
569 * ARM32/16 bit case) to write the breakpoint to ram.
570 *
571 * The target should also take care of "other things" to make sure that
572 * software breakpoints can be written using this function. E.g.
573 * when there is a separate instruction and data cache, this fn must
574 * make sure that the instruction cache is synced up to the potential
575 * code change that can happen as a result of the memory write(typically
576 * by invalidating the cache).
577 *
578 * The high level wrapper fn in target.c will break down this memory write
579 * request to multiple write requests to the target driver to e.g. guarantee
580 * that writing 4 bytes to an aligned address happens with a single 32 bit
581 * write operation, thus making this fn suitable to e.g. write to special
582 * peripheral registers which do not support byte operations.
583 */
584 int target_write_buffer(struct target *target,
585 target_addr_t address, uint32_t size, const uint8_t *buffer);
586 int target_read_buffer(struct target *target,
587 target_addr_t address, uint32_t size, uint8_t *buffer);
588 int target_checksum_memory(struct target *target,
589 target_addr_t address, uint32_t size, uint32_t *crc);
590 int target_blank_check_memory(struct target *target,
591 target_addr_t address, uint32_t size, uint32_t *blank, uint8_t erased_value);
592 int target_wait_state(struct target *target, enum target_state state, int ms);
593
594 /**
595 * Obtain file-I/O information from target for GDB to do syscall.
596 *
597 * This routine is a wrapper for target->type->get_gdb_fileio_info.
598 */
599 int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fileio_info);
600
601 /**
602 * Pass GDB file-I/O response to target after finishing host syscall.
603 *
604 * This routine is a wrapper for target->type->gdb_fileio_end.
605 */
606 int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, bool ctrl_c);
607
608
609
610 /** Return the *name* of this targets current state */
611 const char *target_state_name(struct target *target);
612
613 /** Return the *name* of a target event enumeration value */
614 const char *target_event_name(enum target_event event);
615
616 /** Return the *name* of a target reset reason enumeration value */
617 const char *target_reset_mode_name(enum target_reset_mode reset_mode);
618
619 /* DANGER!!!!!
620 *
621 * if "area" passed in to target_alloc_working_area() points to a memory
622 * location that goes out of scope (e.g. a pointer on the stack), then
623 * the caller of target_alloc_working_area() is responsible for invoking
624 * target_free_working_area() before "area" goes out of scope.
625 *
626 * target_free_all_working_areas() will NULL out the "area" pointer
627 * upon resuming or resetting the CPU.
628 *
629 */
630 int target_alloc_working_area(struct target *target,
631 uint32_t size, struct working_area **area);
632 /* Same as target_alloc_working_area, except that no error is logged
633 * when ERROR_TARGET_RESOURCE_NOT_AVAILABLE is returned.
634 *
635 * This allows the calling code to *try* to allocate target memory
636 * and have a fallback to another behaviour(slower?).
637 */
638 int target_alloc_working_area_try(struct target *target,
639 uint32_t size, struct working_area **area);
640 int target_free_working_area(struct target *target, struct working_area *area);
641 void target_free_all_working_areas(struct target *target);
642 uint32_t target_get_working_area_avail(struct target *target);
643
644 /**
645 * Free all the resources allocated by targets and the target layer
646 */
647 void target_quit(void);
648
649 extern struct target *all_targets;
650
651 uint64_t target_buffer_get_u64(struct target *target, const uint8_t *buffer);
652 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer);
653 uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer);
654 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer);
655 void target_buffer_set_u64(struct target *target, uint8_t *buffer, uint64_t value);
656 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value);
657 void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value);
658 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value);
659
660 void target_buffer_get_u64_array(struct target *target, const uint8_t *buffer, uint32_t count, uint64_t *dstbuf);
661 void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf);
662 void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, uint32_t count, uint16_t *dstbuf);
663 void target_buffer_set_u64_array(struct target *target, uint8_t *buffer, uint32_t count, const uint64_t *srcbuf);
664 void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, const uint32_t *srcbuf);
665 void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, const uint16_t *srcbuf);
666
667 int target_read_u64(struct target *target, target_addr_t address, uint64_t *value);
668 int target_read_u32(struct target *target, target_addr_t address, uint32_t *value);
669 int target_read_u16(struct target *target, target_addr_t address, uint16_t *value);
670 int target_read_u8(struct target *target, target_addr_t address, uint8_t *value);
671 int target_write_u64(struct target *target, target_addr_t address, uint64_t value);
672 int target_write_u32(struct target *target, target_addr_t address, uint32_t value);
673 int target_write_u16(struct target *target, target_addr_t address, uint16_t value);
674 int target_write_u8(struct target *target, target_addr_t address, uint8_t value);
675
676 int target_write_phys_u64(struct target *target, target_addr_t address, uint64_t value);
677 int target_write_phys_u32(struct target *target, target_addr_t address, uint32_t value);
678 int target_write_phys_u16(struct target *target, target_addr_t address, uint16_t value);
679 int target_write_phys_u8(struct target *target, target_addr_t address, uint8_t value);
680
681 /* Issues USER() statements with target state information */
682 int target_arch_state(struct target *target);
683
684 void target_handle_event(struct target *t, enum target_event e);
685
686 #define ERROR_TARGET_INVALID (-300)
687 #define ERROR_TARGET_INIT_FAILED (-301)
688 #define ERROR_TARGET_TIMEOUT (-302)
689 #define ERROR_TARGET_NOT_HALTED (-304)
690 #define ERROR_TARGET_FAILURE (-305)
691 #define ERROR_TARGET_UNALIGNED_ACCESS (-306)
692 #define ERROR_TARGET_DATA_ABORT (-307)
693 #define ERROR_TARGET_RESOURCE_NOT_AVAILABLE (-308)
694 #define ERROR_TARGET_TRANSLATION_FAULT (-309)
695 #define ERROR_TARGET_NOT_RUNNING (-310)
696 #define ERROR_TARGET_NOT_EXAMINED (-311)
697
698 extern bool get_target_reset_nag(void);
699
700 #endif /* OPENOCD_TARGET_TARGET_H */

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