#include "register.h"
#include "breakpoints.h"
#include "algorithm.h"
+#include "trace.h"
#include "command.h"
#include "types.h"
struct reg_s;
struct command_context_s;
-
+/*
+TARGET_UNKNOWN = 0: we don't know anything about the target yet
+TARGET_RUNNING = 1: the target is executing user code
+TARGET_HALTED = 2: the target is not executing code, and ready to talk to the
+debugger. on an xscale it means that the debug handler is executing
+TARGET_RESET = 3: the target is being held in reset (only a temporary state,
+not sure how this is used with all the recent changes)
+TARGET_DEBUG_RUNNING = 4: the target is running, but it is executing code on
+behalf of the debugger (e.g. algorithm for flashing)
+*/
enum target_state
{
TARGET_UNKNOWN = 0,
char *name;
/* poll current target status */
- enum target_state (*poll)(struct target_s *target);
- /* architecture specific status reply */
- int (*arch_state)(struct target_s *target, char *buf, int buf_size);
+ int (*poll)(struct target_s *target);
+ /* Invoked only from target_arch_state().
+ * Issue USER() w/architecture specific status. */
+ int (*arch_state)(struct target_s *target);
+
+ /* target request support */
+ int (*target_request_data)(struct target_s *target, u32 size, u8 *buffer);
/* target execution control */
int (*halt)(struct target_s *target);
int (*assert_reset)(struct target_s *target);
int (*deassert_reset)(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 */
int (*get_gdb_reg_list)(struct target_s *target, struct reg_s **reg_list[], int *reg_list_size);
/* 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);
+
/* target break-/watchpoint control
* rw: 0 = write, 1 = read, 2 = access
*/
int (*init_target)(struct command_context_s *cmd_ctx, struct target_s *target);
int (*quit)(void);
+ int (*virt2phys)(struct target_s *target, u32 address, u32 *physical);
+ int (*mmu)(struct target_s *target, int *enabled);
+
} target_type_t;
typedef struct target_s
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 */
- u32 working_area; /* working area (initialized RAM) */
+ char *gdb_program_script; /* script file to execute before programming vis gdb */
+ u32 working_area; /* working area (initialized RAM). Evaluated
+ 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 */
u32 backup_working_area; /* whether the content of the working area has to be preserved */
struct working_area_s *working_areas;/* list of allocated working areas */
- enum target_debug_reason debug_reason; /* reason why the target entered debug state */
+ enum target_debug_reason debug_reason;/* reason why the target entered debug state */
enum target_endianess endianness; /* target endianess */
enum target_state state; /* the current backend-state (running, halted, ...) */
struct reg_cache_s *reg_cache; /* the first register cache of the target (core regs) */
struct breakpoint_s *breakpoints; /* list of breakpoints */
struct watchpoint_s *watchpoints; /* list of watchpoints */
+ struct trace_s *trace_info; /* generic trace information */
+ struct debug_msg_receiver_s *dbgmsg;/* list of debug message receivers */
+ u32 dbg_msg_enabled; /* debug message status */
void *arch_info; /* architecture specific information */
struct target_s *next; /* next target in list */
} target_t;
TARGET_EVENT_RESET, /* target entered reset */
TARGET_EVENT_DEBUG_HALTED, /* target entered debug state, but was executing on behalf of the debugger */
TARGET_EVENT_DEBUG_RESUMED, /* target resumed to execute on behalf of the debugger */
+ TARGET_EVENT_GDB_PROGRAM /* target about to be be programmed by gdb */
};
typedef struct target_event_callback_s
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 handle_target(void *priv);
+extern int target_process_reset(struct command_context_s *cmd_ctx);
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_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_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);
int target_write_u16(struct target_s *target, u32 address, u16 value);
int target_write_u8(struct target_s *target, u32 address, u8 value);
+/* Issues USER() statements with target state information */
+int target_arch_state(struct target_s *target);
+
#define ERROR_TARGET_INVALID (-300)
#define ERROR_TARGET_INIT_FAILED (-301)
#define ERROR_TARGET_TIMEOUT (-302)