* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
extern char *target_state_strings[];
-enum daemon_startup_mode
-{
- DAEMON_ATTACH, /* simply attach to the target */
- DAEMON_RESET, /* reset target (behaviour defined by reset_mode */
-};
-
-extern enum daemon_startup_mode startup_mode;
-
enum target_reset_mode
{
RESET_RUN = 0, /* reset and let target run */
RESET_HALT = 1, /* reset and halt target out of reset */
RESET_INIT = 2, /* reset and halt target out of reset, then run init script */
- RESET_RUN_AND_HALT = 3, /* reset and let target run, halt after n milliseconds */
- RESET_RUN_AND_INIT = 4, /* reset and let target run, halt after n milliseconds, then run init script */
};
enum target_debug_reason
typedef struct target_type_s
{
char *name;
+
+ int examined;
/* poll current target status */
int (*poll)(struct target_s *target);
int (*resume)(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution);
int (*step)(struct target_s *target, int current, u32 address, int handle_breakpoints);
- /* target reset control */
+ /* target reset control. assert reset can be invoked when OpenOCD and
+ * the target is out of sync.
+ *
+ * A typical example is that the target was power cycled while OpenOCD
+ * thought the target was halted or running.
+ *
+ * assert_reset() can therefore make no assumptions whatsoever about the
+ * state of the target
+ *
+ * Before assert_reset() for the target is invoked, a TRST/tms and
+ * chain validation is executed. TRST should not be asserted
+ * during target assert unless there is no way around it due to
+ * the way reset's are configured.
+ *
+ */
int (*assert_reset)(struct target_s *target);
int (*deassert_reset)(struct target_s *target);
+ int (*soft_reset_halt_imp)(struct target_s *target);
int (*soft_reset_halt)(struct target_s *target);
- int (*prepare_reset_halt)(struct target_s *target);
/* target register access for gdb.
*
* size: 1 = byte (8bit), 2 = half-word (16bit), 4 = word (32bit)
* count: number of items of <size>
*/
+ int (*read_memory_imp)(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
int (*read_memory)(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
+ int (*write_memory_imp)(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
int (*write_memory)(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
/* write target memory in multiples of 4 byte, optimized for writing large quantities of data */
int (*bulk_write_memory)(struct target_s *target, u32 address, u32 count, u8 *buffer);
int (*checksum_memory)(struct target_s *target, u32 address, u32 count, u32* checksum);
+ int (*blank_check_memory)(struct target_s *target, u32 address, u32 count, u32* blank);
/* target break-/watchpoint control
* rw: 0 = write, 1 = read, 2 = access
int (*remove_watchpoint)(struct target_s *target, watchpoint_t *watchpoint);
/* target algorithm support */
+ int (*run_algorithm_imp)(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info);
int (*run_algorithm)(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info);
int (*register_commands)(struct command_context_s *cmd_ctx);
int (*target_command)(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target);
+ /* invoked after JTAG chain has been examined & validated. During
+ * this stage the target is examined and any additional setup is
+ * performed.
+ *
+ * invoked every time after the jtag chain has been validated/examined
+ */
+ int (*examine)(struct target_s *target);
+ /* Set up structures for target.
+ *
+ * It is illegal to talk to the target at this stage as this fn is invoked
+ * before the JTAG chain has been examined/verified
+ */
int (*init_target)(struct command_context_s *cmd_ctx, struct target_s *target);
int (*quit)(void);
typedef struct target_s
{
target_type_t *type; /* target type definition (name, access functions) */
- enum target_reset_mode reset_mode; /* what to do after a reset */
- int run_and_halt_time; /* how long the target should run after a run_and_halt reset */
- char *reset_script; /* script file to initialize the target after a reset */
- char *post_halt_script; /* script file to execute after the target halted */
- char *pre_resume_script; /* script file to execute before the target resumed */
- char *gdb_program_script; /* script file to execute before programming vis gdb */
+ int reset_halt; /* attempt resetting the CPU into the halted mode? */
u32 working_area; /* working area (initialized RAM). Evaluated
- upon first allocation from virtual/physical address.
- */
+ upon first allocation from virtual/physical address. */
u32 working_area_virt; /* virtual address */
u32 working_area_phys; /* physical address */
u32 working_area_size; /* size in bytes */
extern int target_register_commands(struct command_context_s *cmd_ctx);
extern int target_register_user_commands(struct command_context_s *cmd_ctx);
extern int target_init(struct command_context_s *cmd_ctx);
-extern int target_init_reset(struct command_context_s *cmd_ctx);
+extern int target_examine();
extern int handle_target(void *priv);
-extern int target_process_reset(struct command_context_s *cmd_ctx);
+extern int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode);
extern int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv);
extern int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv);
+extern int target_poll(target_t *target);
+extern int target_resume(target_t *target, int current, u32 address, int handle_breakpoints, int debug_execution);
+extern int target_halt(target_t *target);
extern int target_call_event_callbacks(target_t *target, enum target_event event);
+/* The period is very approximate, the callback can happen much more often
+ * or much more rarely than specified
+ */
extern int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv);
extern int target_unregister_timer_callback(int (*callback)(void *priv), void *priv);
-extern int target_call_timer_callbacks();
+extern int target_call_timer_callbacks(void);
+/* invoke this to ensure that e.g. polling timer callbacks happen before
+ * a syncrhonous command completes.
+ */
+extern int target_call_timer_callbacks_now(void);
extern target_t* get_current_target(struct command_context_s *cmd_ctx);
extern int get_num_by_target(target_t *query_target);
extern int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer);
extern int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer);
extern int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc);
-
+extern int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank);
+extern int target_wait_state(target_t *target, enum target_state state, int ms);
+
+/* DANGER!!!!!
+ *
+ * if "area" passed in to target_alloc_working_area() points to a memory
+ * location that goes out of scope (e.g. a pointer on the stack), then
+ * the caller of target_alloc_working_area() is responsible for invoking
+ * target_free_working_area() before "area" goes out of scope.
+ *
+ * target_free_all_working_areas() will NULL out the "area" pointer
+ * upon resuming or resetting the CPU.
+ *
+ */
extern int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area);
extern int target_free_working_area(struct target_s *target, working_area_t *area);
+extern int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore);
extern int target_free_all_working_areas(struct target_s *target);
+extern int target_free_all_working_areas_restore(struct target_s *target, int restore);
extern target_t *targets;
/* Issues USER() statements with target state information */
int target_arch_state(struct target_s *target);
+int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name);
+
#define ERROR_TARGET_INVALID (-300)
#define ERROR_TARGET_INIT_FAILED (-301)
#define ERROR_TARGET_TIMEOUT (-302)
#define ERROR_TARGET_DATA_ABORT (-307)
#define ERROR_TARGET_RESOURCE_NOT_AVAILABLE (-308)
#define ERROR_TARGET_TRANSLATION_FAULT (-309)
+#define ERROR_TARGET_NOT_RUNNING (-310)
#endif /* TARGET_H */
projects / fw / openocd / blobdiff