1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007-2010 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
11 * Copyright (C) 2011 by Broadcom Corporation *
12 * Evan Hunter - ehunter@broadcom.com *
14 * Copyright (C) ST-Ericsson SA 2011 *
15 * michel.jaouen@stericsson.com : smp minimum support *
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. *
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. *
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 ***************************************************************************/
31 #ifndef OPENOCD_TARGET_TARGET_H
32 #define OPENOCD_TARGET_TARGET_H
34 #include <helper/list.h>
38 struct command_context;
39 struct command_invocation;
45 struct gdb_fileio_info;
48 * TARGET_UNKNOWN = 0: we don't know anything about the target yet
49 * TARGET_RUNNING = 1: the target is executing user code
50 * TARGET_HALTED = 2: the target is not executing code, and ready to talk to the
51 * debugger. on an xscale it means that the debug handler is executing
52 * TARGET_RESET = 3: the target is being held in reset (only a temporary state,
53 * not sure how this is used with all the recent changes)
54 * TARGET_DEBUG_RUNNING = 4: the target is running, but it is executing code on
55 * behalf of the debugger (e.g. algorithm for flashing)
57 * also see: target_state_name();
65 TARGET_DEBUG_RUNNING = 4,
73 enum target_reset_mode {
75 RESET_RUN = 1, /* reset and let target run */
76 RESET_HALT = 2, /* reset and halt target out of reset */
77 RESET_INIT = 3, /* reset and halt target out of reset, then run init script */
80 enum target_debug_reason {
82 DBG_REASON_BREAKPOINT = 1,
83 DBG_REASON_WATCHPOINT = 2,
84 DBG_REASON_WPTANDBKPT = 3,
85 DBG_REASON_SINGLESTEP = 4,
86 DBG_REASON_NOTHALTED = 5,
88 DBG_REASON_EXC_CATCH = 7,
89 DBG_REASON_UNDEFINED = 8,
92 enum target_endianness {
93 TARGET_ENDIAN_UNKNOWN = 0,
94 TARGET_BIG_ENDIAN = 1, TARGET_LITTLE_ENDIAN = 2
98 target_addr_t address;
102 struct working_area **user;
103 struct working_area *next;
107 struct target *target;
108 /* field for smp display */
109 /* element 0 coreid currently displayed ( 1 till n) */
110 /* element 1 coreid to be displayed at next resume 1 till n 0 means resume
111 * all cores core displayed */
115 /* target back off timer */
116 struct backoff_timer {
121 /* split target registers into multiple class */
122 enum target_register_class {
127 /* target_type.h contains the full definition of struct target_type */
129 struct target_type *type; /* target type definition (name, access functions) */
130 char *cmd_name; /* tcl Name of target */
131 int target_number; /* DO NOT USE! field to be removed in 2010 */
132 struct jtag_tap *tap; /* where on the jtag chain is this */
133 int32_t coreid; /* which device on the TAP? */
135 /** Should we defer examine to later */
139 * Indicates whether this target has been examined.
141 * Do @b not access this field directly, use target_was_examined()
142 * or target_set_examined().
147 * true if the target is currently running a downloaded
148 * "algorithm" instead of arbitrary user code. OpenOCD code
149 * invoking algorithms is trusted to maintain correctness of
150 * any cached state (e.g. for flash status), which arbitrary
151 * code will have no reason to know about.
155 struct target_event_action *event_action;
157 int reset_halt; /* attempt resetting the CPU into the halted mode? */
158 target_addr_t working_area; /* working area (initialised RAM). Evaluated
159 * upon first allocation from virtual/physical address. */
160 bool working_area_virt_spec; /* virtual address specified? */
161 target_addr_t working_area_virt; /* virtual address */
162 bool working_area_phys_spec; /* physical address specified? */
163 target_addr_t working_area_phys; /* physical address */
164 uint32_t working_area_size; /* size in bytes */
165 uint32_t backup_working_area; /* whether the content of the working area has to be preserved */
166 struct working_area *working_areas;/* list of allocated working areas */
167 enum target_debug_reason debug_reason;/* reason why the target entered debug state */
168 enum target_endianness endianness; /* target endianness */
169 /* also see: target_state_name() */
170 enum target_state state; /* the current backend-state (running, halted, ...) */
171 struct reg_cache *reg_cache; /* the first register cache of the target (core regs) */
172 struct breakpoint *breakpoints; /* list of breakpoints */
173 struct watchpoint *watchpoints; /* list of watchpoints */
174 struct trace *trace_info; /* generic trace information */
175 struct debug_msg_receiver *dbgmsg; /* list of debug message receivers */
176 uint32_t dbg_msg_enabled; /* debug message status */
177 void *arch_info; /* architecture specific information */
178 void *private_config; /* pointer to target specific config data (for jim_configure hook) */
179 struct target *next; /* next target in list */
181 bool verbose_halt_msg; /* display async info in telnet session. Do not display
182 * lots of halted/resumed info when stepping in debugger. */
183 bool halt_issued; /* did we transition to halted state? */
184 int64_t halt_issued_time; /* Note time when halt was issued */
186 /* ARM v7/v8 targets with ADIv5 interface */
187 bool dbgbase_set; /* By default the debug base is not set */
188 uint32_t dbgbase; /* Really a Cortex-A specific option, but there is no
189 * system in place to support target specific options
191 bool has_dap; /* set to true if target has ADIv5 support */
192 bool dap_configured; /* set to true if ADIv5 DAP is configured */
193 bool tap_configured; /* set to true if JTAG tap has been configured
194 * through -chain-position */
196 struct rtos *rtos; /* Instance of Real Time Operating System support */
197 bool rtos_auto_detect; /* A flag that indicates that the RTOS has been specified as "auto"
198 * and must be detected when symbols are offered */
199 struct backoff_timer backoff;
200 int smp; /* add some target attributes for smp support */
201 struct target_list *head;
202 /* the gdb service is there in case of smp, we have only one gdb server
204 * the target attached to the gdb is changing dynamically by changing
205 * gdb_service->target pointer */
206 struct gdb_service *gdb_service;
208 /* file-I/O information for host to do syscall */
209 struct gdb_fileio_info *fileio_info;
211 char *gdb_port_override; /* target-specific override for gdb_port */
213 /* The semihosting information, extracted from the target. */
214 struct semihosting *semihosting;
218 struct target *target;
219 struct target_list *next;
222 struct gdb_fileio_info {
230 /** Returns a description of the endianness for the specified target. */
231 static inline const char *target_endianness(struct target *target)
233 return (target->endianness == TARGET_ENDIAN_UNKNOWN) ? "unknown" :
234 (target->endianness == TARGET_BIG_ENDIAN) ? "big endian" : "little endian";
237 /** Returns the instance-specific name of the specified target. */
238 static inline const char *target_name(struct target *target)
240 return target->cmd_name;
243 const char *debug_reason_name(struct target *t);
247 /* allow GDB to do stuff before others handle the halted event,
248 * this is in lieu of defining ordering of invocation of events,
249 * which would be more complicated
251 * Telling GDB to halt does not mean that the target stopped running,
252 * simply that we're dropping out of GDB's waiting for step or continue.
254 * This can be useful when e.g. detecting power dropout.
256 TARGET_EVENT_GDB_HALT,
257 TARGET_EVENT_HALTED, /* target entered debug state from normal execution or reset */
258 TARGET_EVENT_RESUMED, /* target resumed to normal execution */
259 TARGET_EVENT_RESUME_START,
260 TARGET_EVENT_RESUME_END,
262 TARGET_EVENT_GDB_START, /* debugger started execution (step/run) */
263 TARGET_EVENT_GDB_END, /* debugger stopped execution (step/run) */
265 TARGET_EVENT_RESET_START,
266 TARGET_EVENT_RESET_ASSERT_PRE,
267 TARGET_EVENT_RESET_ASSERT, /* C code uses this instead of SRST */
268 TARGET_EVENT_RESET_ASSERT_POST,
269 TARGET_EVENT_RESET_DEASSERT_PRE,
270 TARGET_EVENT_RESET_DEASSERT_POST,
271 TARGET_EVENT_RESET_INIT,
272 TARGET_EVENT_RESET_END,
274 TARGET_EVENT_DEBUG_HALTED, /* target entered debug state, but was executing on behalf of the debugger */
275 TARGET_EVENT_DEBUG_RESUMED, /* target resumed to execute on behalf of the debugger */
277 TARGET_EVENT_EXAMINE_START,
278 TARGET_EVENT_EXAMINE_END,
280 TARGET_EVENT_GDB_ATTACH,
281 TARGET_EVENT_GDB_DETACH,
283 TARGET_EVENT_GDB_FLASH_ERASE_START,
284 TARGET_EVENT_GDB_FLASH_ERASE_END,
285 TARGET_EVENT_GDB_FLASH_WRITE_START,
286 TARGET_EVENT_GDB_FLASH_WRITE_END,
288 TARGET_EVENT_TRACE_CONFIG,
291 struct target_event_action {
292 enum target_event event;
293 struct Jim_Interp *interp;
294 struct Jim_Obj *body;
295 struct target_event_action *next;
298 bool target_has_event_action(struct target *target, enum target_event event);
300 struct target_event_callback {
301 int (*callback)(struct target *target, enum target_event event, void *priv);
303 struct target_event_callback *next;
306 struct target_reset_callback {
307 struct list_head list;
309 int (*callback)(struct target *target, enum target_reset_mode reset_mode, void *priv);
312 struct target_trace_callback {
313 struct list_head list;
315 int (*callback)(struct target *target, size_t len, uint8_t *data, void *priv);
318 enum target_timer_type {
319 TARGET_TIMER_TYPE_ONESHOT,
320 TARGET_TIMER_TYPE_PERIODIC
323 struct target_timer_callback {
324 int (*callback)(void *priv);
325 unsigned int time_ms;
326 enum target_timer_type type;
330 struct target_timer_callback *next;
333 struct target_memory_check_block {
334 target_addr_t address;
339 int target_register_commands(struct command_context *cmd_ctx);
340 int target_examine(void);
342 int target_register_event_callback(
343 int (*callback)(struct target *target,
344 enum target_event event, void *priv),
346 int target_unregister_event_callback(
347 int (*callback)(struct target *target,
348 enum target_event event, void *priv),
351 int target_register_reset_callback(
352 int (*callback)(struct target *target,
353 enum target_reset_mode reset_mode, void *priv),
355 int target_unregister_reset_callback(
356 int (*callback)(struct target *target,
357 enum target_reset_mode reset_mode, void *priv),
360 int target_register_trace_callback(
361 int (*callback)(struct target *target,
362 size_t len, uint8_t *data, void *priv),
364 int target_unregister_trace_callback(
365 int (*callback)(struct target *target,
366 size_t len, uint8_t *data, void *priv),
369 /* Poll the status of the target, detect any error conditions and report them.
371 * Also note that this fn will clear such error conditions, so a subsequent
372 * invocation will then succeed.
374 * These error conditions can be "sticky" error conditions. E.g. writing
375 * to memory could be implemented as an open loop and if memory writes
376 * fails, then a note is made of it, the error is sticky, but the memory
377 * write loop still runs to completion. This improves performance in the
378 * normal case as there is no need to verify that every single write succeed,
379 * yet it is possible to detect error conditions.
381 int target_poll(struct target *target);
382 int target_resume(struct target *target, int current, target_addr_t address,
383 int handle_breakpoints, int debug_execution);
384 int target_halt(struct target *target);
385 int target_call_event_callbacks(struct target *target, enum target_event event);
386 int target_call_reset_callbacks(struct target *target, enum target_reset_mode reset_mode);
387 int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data);
390 * The period is very approximate, the callback can happen much more often
391 * or much more rarely than specified
393 int target_register_timer_callback(int (*callback)(void *priv),
394 unsigned int time_ms, enum target_timer_type type, void *priv);
395 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv);
396 int target_call_timer_callbacks(void);
398 * Invoke this to ensure that e.g. polling timer callbacks happen before
399 * a synchronous command completes.
401 int target_call_timer_callbacks_now(void);
403 struct target *get_target_by_num(int num);
404 struct target *get_current_target(struct command_context *cmd_ctx);
405 struct target *get_current_target_or_null(struct command_context *cmd_ctx);
406 struct target *get_target(const char *id);
409 * Get the target type name.
411 * This routine is a wrapper for the target->type->name field.
412 * Note that this is not an instance-specific name for his target.
414 const char *target_type_name(struct target *target);
417 * Examine the specified @a target, letting it perform any
418 * Initialisation that requires JTAG access.
420 * This routine is a wrapper for target->type->examine.
422 int target_examine_one(struct target *target);
424 /** @returns @c true if target_set_examined() has been called. */
425 static inline bool target_was_examined(struct target *target)
427 return target->examined;
430 /** Sets the @c examined flag for the given target. */
431 /** Use in target->type->examine() after one-time setup is done. */
432 static inline void target_set_examined(struct target *target)
434 target->examined = true;
438 * Add the @a breakpoint for @a target.
440 * This routine is a wrapper for target->type->add_breakpoint.
442 int target_add_breakpoint(struct target *target,
443 struct breakpoint *breakpoint);
445 * Add the @a ContextID breakpoint for @a target.
447 * This routine is a wrapper for target->type->add_context_breakpoint.
449 int target_add_context_breakpoint(struct target *target,
450 struct breakpoint *breakpoint);
452 * Add the @a ContextID & IVA breakpoint for @a target.
454 * This routine is a wrapper for target->type->add_hybrid_breakpoint.
456 int target_add_hybrid_breakpoint(struct target *target,
457 struct breakpoint *breakpoint);
459 * Remove the @a breakpoint for @a target.
461 * This routine is a wrapper for target->type->remove_breakpoint.
464 int target_remove_breakpoint(struct target *target,
465 struct breakpoint *breakpoint);
467 * Add the @a watchpoint for @a target.
469 * This routine is a wrapper for target->type->add_watchpoint.
471 int target_add_watchpoint(struct target *target,
472 struct watchpoint *watchpoint);
474 * Remove the @a watchpoint for @a target.
476 * This routine is a wrapper for target->type->remove_watchpoint.
478 int target_remove_watchpoint(struct target *target,
479 struct watchpoint *watchpoint);
482 * Find out the just hit @a watchpoint for @a target.
484 * This routine is a wrapper for target->type->hit_watchpoint.
486 int target_hit_watchpoint(struct target *target,
487 struct watchpoint **watchpoint);
490 * Obtain the architecture for GDB.
492 * This routine is a wrapper for target->type->get_gdb_arch.
494 const char *target_get_gdb_arch(struct target *target);
497 * Obtain the registers for GDB.
499 * This routine is a wrapper for target->type->get_gdb_reg_list.
501 int target_get_gdb_reg_list(struct target *target,
502 struct reg **reg_list[], int *reg_list_size,
503 enum target_register_class reg_class);
506 * Obtain the registers for GDB, but don't read register values from the
509 * This routine is a wrapper for target->type->get_gdb_reg_list_noread.
511 int target_get_gdb_reg_list_noread(struct target *target,
512 struct reg **reg_list[], int *reg_list_size,
513 enum target_register_class reg_class);
516 * Check if @a target allows GDB connections.
518 * Some target do not implement the necessary code required by GDB.
520 bool target_supports_gdb_connection(struct target *target);
525 * This routine is a wrapper for target->type->step.
527 int target_step(struct target *target,
528 int current, target_addr_t address, int handle_breakpoints);
530 * Run an algorithm on the @a target given.
532 * This routine is a wrapper for target->type->run_algorithm.
534 int target_run_algorithm(struct target *target,
535 int num_mem_params, struct mem_param *mem_params,
536 int num_reg_params, struct reg_param *reg_param,
537 uint32_t entry_point, uint32_t exit_point,
538 int timeout_ms, void *arch_info);
541 * Starts an algorithm in the background on the @a target given.
543 * This routine is a wrapper for target->type->start_algorithm.
545 int target_start_algorithm(struct target *target,
546 int num_mem_params, struct mem_param *mem_params,
547 int num_reg_params, struct reg_param *reg_params,
548 uint32_t entry_point, uint32_t exit_point,
552 * Wait for an algorithm on the @a target given.
554 * This routine is a wrapper for target->type->wait_algorithm.
556 int target_wait_algorithm(struct target *target,
557 int num_mem_params, struct mem_param *mem_params,
558 int num_reg_params, struct reg_param *reg_params,
559 uint32_t exit_point, int timeout_ms,
563 * This routine is a wrapper for asynchronous algorithms.
566 int target_run_flash_async_algorithm(struct target *target,
567 const uint8_t *buffer, uint32_t count, int block_size,
568 int num_mem_params, struct mem_param *mem_params,
569 int num_reg_params, struct reg_param *reg_params,
570 uint32_t buffer_start, uint32_t buffer_size,
571 uint32_t entry_point, uint32_t exit_point,
575 * Read @a count items of @a size bytes from the memory of @a target at
576 * the @a address given.
578 * This routine is a wrapper for target->type->read_memory.
580 int target_read_memory(struct target *target,
581 target_addr_t address, uint32_t size, uint32_t count, uint8_t *buffer);
582 int target_read_phys_memory(struct target *target,
583 target_addr_t address, uint32_t size, uint32_t count, uint8_t *buffer);
585 * Write @a count items of @a size bytes to the memory of @a target at
586 * the @a address given. @a address must be aligned to @a size
589 * The endianness is the same in the host and target memory for this
593 * Really @a buffer should have been defined as "const void *" and
594 * @a buffer should have been aligned to @a size in the host memory.
596 * This is not enforced via e.g. assert's today and e.g. the
597 * target_write_buffer fn breaks this assumption.
599 * This routine is wrapper for target->type->write_memory.
601 int target_write_memory(struct target *target,
602 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
603 int target_write_phys_memory(struct target *target,
604 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
607 * Write to target memory using the virtual address.
609 * Note that this fn is used to implement software breakpoints. Targets
610 * can implement support for software breakpoints to memory marked as read
611 * only by making this fn write to ram even if it is read only(MMU or
614 * It is sufficient to implement for writing a single word(16 or 32 in
615 * ARM32/16 bit case) to write the breakpoint to ram.
617 * The target should also take care of "other things" to make sure that
618 * software breakpoints can be written using this function. E.g.
619 * when there is a separate instruction and data cache, this fn must
620 * make sure that the instruction cache is synced up to the potential
621 * code change that can happen as a result of the memory write(typically
622 * by invalidating the cache).
624 * The high level wrapper fn in target.c will break down this memory write
625 * request to multiple write requests to the target driver to e.g. guarantee
626 * that writing 4 bytes to an aligned address happens with a single 32 bit
627 * write operation, thus making this fn suitable to e.g. write to special
628 * peripheral registers which do not support byte operations.
630 int target_write_buffer(struct target *target,
631 target_addr_t address, uint32_t size, const uint8_t *buffer);
632 int target_read_buffer(struct target *target,
633 target_addr_t address, uint32_t size, uint8_t *buffer);
634 int target_checksum_memory(struct target *target,
635 target_addr_t address, uint32_t size, uint32_t *crc);
636 int target_blank_check_memory(struct target *target,
637 struct target_memory_check_block *blocks, int num_blocks,
638 uint8_t erased_value);
639 int target_wait_state(struct target *target, enum target_state state, int ms);
642 * Obtain file-I/O information from target for GDB to do syscall.
644 * This routine is a wrapper for target->type->get_gdb_fileio_info.
646 int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fileio_info);
649 * Pass GDB file-I/O response to target after finishing host syscall.
651 * This routine is a wrapper for target->type->gdb_fileio_end.
653 int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, bool ctrl_c);
656 * Return the highest accessible address for this target.
658 target_addr_t target_address_max(struct target *target);
661 * Return the number of address bits this target supports.
663 * This routine is a wrapper for target->type->address_bits.
665 unsigned target_address_bits(struct target *target);
667 /** Return the *name* of this targets current state */
668 const char *target_state_name(struct target *target);
670 /** Return the *name* of a target event enumeration value */
671 const char *target_event_name(enum target_event event);
673 /** Return the *name* of a target reset reason enumeration value */
674 const char *target_reset_mode_name(enum target_reset_mode reset_mode);
678 * if "area" passed in to target_alloc_working_area() points to a memory
679 * location that goes out of scope (e.g. a pointer on the stack), then
680 * the caller of target_alloc_working_area() is responsible for invoking
681 * target_free_working_area() before "area" goes out of scope.
683 * target_free_all_working_areas() will NULL out the "area" pointer
684 * upon resuming or resetting the CPU.
687 int target_alloc_working_area(struct target *target,
688 uint32_t size, struct working_area **area);
689 /* Same as target_alloc_working_area, except that no error is logged
690 * when ERROR_TARGET_RESOURCE_NOT_AVAILABLE is returned.
692 * This allows the calling code to *try* to allocate target memory
693 * and have a fallback to another behaviour(slower?).
695 int target_alloc_working_area_try(struct target *target,
696 uint32_t size, struct working_area **area);
697 int target_free_working_area(struct target *target, struct working_area *area);
698 void target_free_all_working_areas(struct target *target);
699 uint32_t target_get_working_area_avail(struct target *target);
702 * Free all the resources allocated by targets and the target layer
704 void target_quit(void);
706 extern struct target *all_targets;
708 uint64_t target_buffer_get_u64(struct target *target, const uint8_t *buffer);
709 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer);
710 uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer);
711 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer);
712 void target_buffer_set_u64(struct target *target, uint8_t *buffer, uint64_t value);
713 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value);
714 void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value);
715 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value);
717 void target_buffer_get_u64_array(struct target *target, const uint8_t *buffer, uint32_t count, uint64_t *dstbuf);
718 void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf);
719 void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, uint32_t count, uint16_t *dstbuf);
720 void target_buffer_set_u64_array(struct target *target, uint8_t *buffer, uint32_t count, const uint64_t *srcbuf);
721 void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, const uint32_t *srcbuf);
722 void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, const uint16_t *srcbuf);
724 int target_read_u64(struct target *target, target_addr_t address, uint64_t *value);
725 int target_read_u32(struct target *target, target_addr_t address, uint32_t *value);
726 int target_read_u16(struct target *target, target_addr_t address, uint16_t *value);
727 int target_read_u8(struct target *target, target_addr_t address, uint8_t *value);
728 int target_write_u64(struct target *target, target_addr_t address, uint64_t value);
729 int target_write_u32(struct target *target, target_addr_t address, uint32_t value);
730 int target_write_u16(struct target *target, target_addr_t address, uint16_t value);
731 int target_write_u8(struct target *target, target_addr_t address, uint8_t value);
733 int target_write_phys_u64(struct target *target, target_addr_t address, uint64_t value);
734 int target_write_phys_u32(struct target *target, target_addr_t address, uint32_t value);
735 int target_write_phys_u16(struct target *target, target_addr_t address, uint16_t value);
736 int target_write_phys_u8(struct target *target, target_addr_t address, uint8_t value);
738 /* Issues USER() statements with target state information */
739 int target_arch_state(struct target *target);
741 void target_handle_event(struct target *t, enum target_event e);
743 void target_handle_md_output(struct command_invocation *cmd,
744 struct target *target, target_addr_t address, unsigned size,
745 unsigned count, const uint8_t *buffer);
747 #define ERROR_TARGET_INVALID (-300)
748 #define ERROR_TARGET_INIT_FAILED (-301)
749 #define ERROR_TARGET_TIMEOUT (-302)
750 #define ERROR_TARGET_NOT_HALTED (-304)
751 #define ERROR_TARGET_FAILURE (-305)
752 #define ERROR_TARGET_UNALIGNED_ACCESS (-306)
753 #define ERROR_TARGET_DATA_ABORT (-307)
754 #define ERROR_TARGET_RESOURCE_NOT_AVAILABLE (-308)
755 #define ERROR_TARGET_TRANSLATION_FAULT (-309)
756 #define ERROR_TARGET_NOT_RUNNING (-310)
757 #define ERROR_TARGET_NOT_EXAMINED (-311)
758 #define ERROR_TARGET_DUPLICATE_BREAKPOINT (-312)
760 extern bool get_target_reset_nag(void);
762 #endif /* OPENOCD_TARGET_TARGET_H */