{
switch (event)
{
+ case TARGET_EVENT_GDB_START:
+ target->display=0;
+ break;
+ case TARGET_EVENT_GDB_END:
+ target->display=1;
+ break;
case TARGET_EVENT_HALTED:
- target_arch_state(target);
+ if (target->display)
+ {
+ /* do not display information when debugger caused the halt */
+ target_arch_state(target);
+ }
break;
default:
break;
static int initialized=0;
if (initialized)
return ERROR_OK;
-
+
initialized=1;
-
+
atexit(exit_handler);
-
+
if (target_init(cmd_ctx) != ERROR_OK)
return ERROR_FAIL;
LOG_DEBUG("target init complete");
LOG_DEBUG("jtag examine complete");
}
}
-
+
if (flash_init_drivers(cmd_ctx) != ERROR_OK)
return ERROR_FAIL;
LOG_DEBUG("flash init complete");
tcl_init(); /* allows tcl to just connect without going thru telnet */
target_register_event_callback(log_target_callback_event_handler, cmd_ctx);
-
+
return ERROR_OK;
}
command_context_t *setup_command_handler(void)
{
command_context_t *cmd_ctx;
-
+
global_cmd_ctx = cmd_ctx = command_init();
-
+
register_command(cmd_ctx, NULL, "version", handle_version_command,
COMMAND_EXEC, "show OpenOCD version");
-
+
/* register subsystem commands */
server_register_commands(cmd_ctx);
telnet_register_commands(cmd_ctx);
LOG_DEBUG("log init complete");
LOG_OUTPUT( OPENOCD_VERSION "\n" );
-
+
register_command(cmd_ctx, NULL, "init", handle_init_command,
COMMAND_ANY, "initializes target and servers - nop on subsequent invocations");
command_context_t *cmd_ctx;
cmd_ctx = setup_command_handler();
-
+
LOG_OUTPUT( "\n\nBUGS? Read http://svn.berlios.de/svnroot/repos/openocd/trunk/BUGS\n\n\n");
print_version();
-
+
command_context_mode(cmd_ctx, COMMAND_CONFIG);
command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
if (parse_cmdline_args(cmd_ctx, argc, argv) != ERROR_OK)
return EXIT_FAILURE;
-
+
ret = parse_config_file(cmd_ctx);
if ( (ret != ERROR_OK) && (ret != ERROR_COMMAND_CLOSE_CONNECTION) )
return EXIT_FAILURE;
- if (ret != ERROR_COMMAND_CLOSE_CONNECTION)
+ if (ret != ERROR_COMMAND_CLOSE_CONNECTION)
{
command_context_mode(cmd_ctx, COMMAND_EXEC);
if (command_run_line(cmd_ctx, "init")!=ERROR_OK)
return EXIT_FAILURE;
-
+
/* handle network connections */
server_loop(cmd_ctx);
}
server_quit();
unregister_all_commands(cmd_ctx);
-
+
/* free commandline interface */
command_done(cmd_ctx);
typedef struct target_type_s
{
char *name;
-
+
int examined;
/* poll current target status */
int (*halt)(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. 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
- *
+ * 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);
-
+
/* target register access for gdb.
- *
+ *
* Danger! this function will succeed even if the target is running
* and return a register list with dummy values.
- *
+ *
* The reason is that GDB connection will fail without a valid register
* list, however it is after GDB is connected that monitor commands can
* be run to properly initialize the target
*/
int (*get_gdb_reg_list)(struct target_s *target, struct reg_s **reg_list[], int *reg_list_size);
-
- /* target memory access
+
+ /* target memory access
* size: 1 = byte (8bit), 2 = half-word (16bit), 4 = word (32bit)
* count: number of items of <size>
*/
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
+
+ /*
+ * target break-/watchpoint control
* rw: 0 = write, 1 = read, 2 = access
- *
+ *
* Target must be halted while this is invoked as this
* will actually set up breakpoints on target.
- *
+ *
* The breakpoint hardware will be set up upon adding the first breakpoint.
- *
+ *
* Upon GDB connection all breakpoints/watchpoints are cleared.
*/
int (*add_breakpoint)(struct target_s *target, breakpoint_t *breakpoint);
-
+
/* remove breakpoint. hw will only be updated if the target is currently halted.
* However, this method can be invoked on unresponsive targets.
*/
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 (*register_commands)(struct command_context_s *cmd_ctx);
/* called when target is created */
int (*target_create)( struct target_s *target, Jim_Interp *interp );
/* 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);
-
+
int (*virt2phys)(struct target_s *target, u32 address, u32 *physical);
int (*mmu)(struct target_s *target, int *enabled);
-
+
} target_type_t;
// forward decloration
target_event_action_t *event_action;
int reset_halt; /* attempt resetting the CPU into the halted mode? */
- u32 working_area; /* working area (initialized RAM). Evaluated
+ 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 dbg_msg_enabled; /* debug message status */
void *arch_info; /* architecture specific information */
struct target_s *next; /* next target in list */
+
+ int display; /* display async info in telnet session. Do not display
+ lots of halted/resumed info when stepping in debugger. */
} target_t;
enum target_event
TARGET_EVENT_RESUME_START,
TARGET_EVENT_RESUME_END,
+ TARGET_EVENT_GDB_START, /* debugger started execution (step/run) */
+ TARGET_EVENT_GDB_END, /* debugger stopped execution (step/run) */
+
TARGET_EVENT_RESET_START,
TARGET_EVENT_RESET_ASSERT_PRE,
TARGET_EVENT_RESET_ASSERT_POST,
TARGET_EVENT_EXAMINE_START,
TARGET_EVENT_EXAMINE_END,
-
+
TARGET_EVENT_GDB_ATTACH,
TARGET_EVENT_GDB_DETACH,
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
+/* 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_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);
Code Review / openocd.git / commitdiff