* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008,2009 Øyvind Harboe *
+ * Copyright (C) 2007-2010 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
#define TARGET_H
#include <helper/types.h>
-#include <helper/jim.h>
struct reg;
struct trace;
*/
bool examined;
+ /** true iff the target is currently running a downloaded
+ * "algorithm" instetad of arbitrary user code. OpenOCD code
+ * invoking algorithms is trusted to maintain correctness of
+ * any cached state (e.g. for flash status), which arbitrary
+ * code will have no reason to know about.
+ */
+ bool running_alg;
+
struct target_event_action *event_action;
int reset_halt; /* attempt resetting the CPU into the halted mode? */
struct target_event_action {
enum target_event event;
- Jim_Interp *interp;
+ struct Jim_Interp *interp;
struct Jim_Obj *body;
int has_percent;
struct target_event_action *next;
};
int target_register_commands(struct command_context *cmd_ctx);
-int target_register_user_commands(struct command_context *cmd_ctx);
-int target_init(struct command_context *cmd_ctx);
int target_examine(void);
-int target_process_reset(struct command_context *cmd_ctx,
- enum target_reset_mode reset_mode);
int target_register_event_callback(
int (*callback)(struct target *target,
int (*callback)(struct target *target,
enum target_event event, void *priv),
void *priv);
+/* Poll the status of the target, detect any error conditions and report them.
+ *
+ * Also note that this fn will clear such error conditions, so a subsequent
+ * invocation will then succeed.
+ *
+ * These error conditions can be "sticky" error conditions. E.g. writing
+ * to memory could be implemented as an open loop and if memory writes
+ * fails, then a note is made of it, the error is sticky, but the memory
+ * write loop still runs to completion. This improves performance in the
+ * normal case as there is no need to verify that every single write succeed,
+ * yet it is possible to detect error condtions.
+ */
int target_poll(struct target *target);
int target_resume(struct target *target, int current, uint32_t address,
int handle_breakpoints, int debug_execution);
*/
int target_register_timer_callback(int (*callback)(void *priv),
int time_ms, int periodic, void *priv);
-int target_unregister_timer_callback(int (*callback)(void *priv), void *priv);
int target_call_timer_callbacks(void);
/**
uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
/**
* Write @a count items of @a size bytes to the memory of @a target at
- * the @a address given.
+ * the @a address given. @a address must be aligned to @a size
+ * in target memory.
+ *
+ * The endianness is the same in the host and target memory for this
+ * function.
+ *
+ * \todo TODO:
+ * Really @a buffer should have been defined as "const void *" and
+ * @a buffer should have been aligned to @a size in the host memory.
+ *
+ * This is not enforced via e.g. assert's today and e.g. the
+ * target_write_buffer fn breaks this assumption.
*
* This routine is wrapper for target->type->write_memory.
*/
*/
int target_alloc_working_area(struct target *target,
uint32_t size, struct working_area **area);
+/* Same as target_alloc_working_area, except that no error is logged
+ * when ERROR_TARGET_RESOURCE_NOT_AVAILABLE is returned.
+ *
+ * This allows the calling code to *try* to allocate target memory
+ * and have a fallback to another behavior(slower?).
+ */
+int target_alloc_working_area_try(struct target *target,
+ uint32_t size, struct working_area **area);
int target_free_working_area(struct target *target, struct working_area *area);
-int target_free_working_area_restore(struct target *target,
- struct working_area *area, int restore);
void target_free_all_working_areas(struct target *target);
-void target_free_all_working_areas_restore(struct target *target, int restore);
extern struct target *all_targets;
-extern struct target_event_callback *target_event_callbacks;
-extern struct target_timer_callback *target_timer_callbacks;
-
uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer);
uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer);
-uint8_t target_buffer_get_u8 (struct target *target, const uint8_t *buffer);
void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value);
void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value);
-void target_buffer_set_u8 (struct target *target, uint8_t *buffer, uint8_t value);
int target_read_u32(struct target *target, uint32_t address, uint32_t *value);
int target_read_u16(struct target *target, uint32_t address, uint16_t *value);
int target_arch_state(struct target *target);
void target_handle_event(struct target *t, enum target_event e);
-void target_all_handle_event(enum target_event e);
#define ERROR_TARGET_INVALID (-300)
#define ERROR_TARGET_INIT_FAILED (-301)
#define ERROR_TARGET_NOT_RUNNING (-310)
#define ERROR_TARGET_NOT_EXAMINED (-311)
-const char *target_strerror_safe(int err);
+extern bool get_target_reset_nag(void);
#endif /* TARGET_H */
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