diff options
Diffstat (limited to 'src/target/target.h')
| -rw-r--r-- | src/target/target.h | 70 |
1 files changed, 38 insertions, 32 deletions
diff --git a/src/target/target.h b/src/target/target.h index baae2562..c2ca2572 100644 --- a/src/target/target.h +++ b/src/target/target.h @@ -113,7 +113,7 @@ typedef struct working_area_s typedef struct target_type_s { char *name; - + int examined; /* poll current target status */ @@ -129,39 +129,39 @@ typedef struct target_type_s 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> */ @@ -169,26 +169,26 @@ typedef struct target_type_s 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. */ @@ -203,7 +203,7 @@ typedef struct target_type_s 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 ); @@ -220,21 +220,21 @@ typedef struct target_type_s /* 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 @@ -250,7 +250,7 @@ typedef struct target_s 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 */ @@ -268,6 +268,9 @@ typedef struct target_s 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 @@ -290,6 +293,9 @@ 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, @@ -308,7 +314,7 @@ enum target_event TARGET_EVENT_EXAMINE_START, TARGET_EVENT_EXAMINE_END, - + TARGET_EVENT_GDB_ATTACH, TARGET_EVENT_GDB_DETACH, @@ -359,7 +365,7 @@ extern int target_resume(target_t *target, int current, u32 address, int handle_ 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); @@ -381,15 +387,15 @@ extern int target_blank_check_memory(struct target_s *target, u32 address, u32 s 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); |