gdb_server, target: Add target_address_bits()

[openocd.git] / src / target / target.h

diff --git a/src/target/target.h b/src/target/target.h
index 49048bcf45231cb25d66cb436c19d63bab62b848..65494afd0bab9e1520d079b0a62b95ef1b4ad18e 100644 (file)
--- a/src/target/target.h
+++ b/src/target/target.h
@@ -84,7 +84,8 @@ enum target_debug_reason {
        DBG_REASON_SINGLESTEP = 4,
        DBG_REASON_NOTHALTED = 5,
        DBG_REASON_EXIT = 6,
-       DBG_REASON_UNDEFINED = 7,
+       DBG_REASON_EXC_CATCH = 7,
+       DBG_REASON_UNDEFINED = 8,
 };
 
 enum target_endianness {
@@ -176,15 +177,20 @@ struct target {
        void *private_config;                           /* pointer to target specific config data (for jim_configure hook) */
        struct target *next;                            /* next target in list */
 
-       int display;                                            /* display async info in telnet session. Do not display
+       bool verbose_halt_msg;                          /* display async info in telnet session. Do not display
                                                                                 * lots of halted/resumed info when stepping in debugger. */
        bool halt_issued;                                       /* did we transition to halted state? */
        int64_t halt_issued_time;                       /* Note time when halt was issued */
 
+                                                                               /* ARM v7/v8 targets with ADIv5 interface */
        bool dbgbase_set;                                       /* By default the debug base is not set */
        uint32_t dbgbase;                                       /* Really a Cortex-A specific option, but there is no
                                                                                 * system in place to support target specific options
                                                                                 * currently. */
+       bool has_dap;                                           /* set to true if target has ADIv5 support */
+       bool dap_configured;                            /* set to true if ADIv5 DAP is configured */
+       bool tap_configured;                            /* set to true if JTAG tap has been configured
+                                                                                * through -chain-position */
 
        struct rtos *rtos;                                      /* Instance of Real Time Operating System support */
        bool rtos_auto_detect;                          /* A flag that indicates that the RTOS has been specified as "auto"
@@ -200,6 +206,11 @@ struct target {
 
        /* file-I/O information for host to do syscall */
        struct gdb_fileio_info *fileio_info;
+
+       char *gdb_port_override;                        /* target-specific override for gdb_port */
+
+       /* The semihosting information, extracted from the target. */
+       struct semihosting *semihosting;
 };
 
 struct target_list {
@@ -209,12 +220,19 @@ struct target_list {
 
 struct gdb_fileio_info {
        char *identifier;
-       uint32_t param_1;
-       uint32_t param_2;
-       uint32_t param_3;
-       uint32_t param_4;
+       uint64_t param_1;
+       uint64_t param_2;
+       uint64_t param_3;
+       uint64_t param_4;
 };
 
+/** Returns a description of the endianness for the specified target. */
+static inline const char *target_endianness(struct target *target)
+{
+       return (target->endianness == TARGET_ENDIAN_UNKNOWN) ? "unknown" :
+                       (target->endianness == TARGET_BIG_ENDIAN) ? "big endian" : "little endian";
+}
+
 /** Returns the instance-specific name of the specified target. */
 static inline const char *target_name(struct target *target)
 {
@@ -273,7 +291,6 @@ struct target_event_action {
        enum target_event event;
        struct Jim_Interp *interp;
        struct Jim_Obj *body;
-       int has_percent;
        struct target_event_action *next;
 };
 
@@ -297,16 +314,27 @@ struct target_trace_callback {
        int (*callback)(struct target *target, size_t len, uint8_t *data, void *priv);
 };
 
+enum target_timer_type {
+       TARGET_TIMER_TYPE_ONESHOT,
+       TARGET_TIMER_TYPE_PERIODIC
+};
+
 struct target_timer_callback {
        int (*callback)(void *priv);
-       int time_ms;
-       int periodic;
+       unsigned int time_ms;
+       enum target_timer_type type;
        bool removed;
        struct timeval when;
        void *priv;
        struct target_timer_callback *next;
 };
 
+struct target_memory_check_block {
+       target_addr_t address;
+       uint32_t size;
+       uint32_t result;
+};
+
 int target_register_commands(struct command_context *cmd_ctx);
 int target_examine(void);
 
@@ -362,7 +390,7 @@ int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data
  * or much more rarely than specified
  */
 int target_register_timer_callback(int (*callback)(void *priv),
-               int time_ms, int periodic, void *priv);
+               unsigned int time_ms, enum target_timer_type type, void *priv);
 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv);
 int target_call_timer_callbacks(void);
 /**
@@ -373,6 +401,7 @@ int target_call_timer_callbacks_now(void);
 
 struct target *get_target_by_num(int num);
 struct target *get_current_target(struct command_context *cmd_ctx);
+struct target *get_current_target_or_null(struct command_context *cmd_ctx);
 struct target *get_target(const char *id);
 
 /**
@@ -456,6 +485,13 @@ int target_remove_watchpoint(struct target *target,
 int target_hit_watchpoint(struct target *target,
                struct watchpoint **watchpoint);
 
+/**
+ * Obtain the architecture for GDB.
+ *
+ * This routine is a wrapper for target->type->get_gdb_arch.
+ */
+const char *target_get_gdb_arch(struct target *target);
+
 /**
  * Obtain the registers for GDB.
  *
@@ -465,6 +501,13 @@ int target_get_gdb_reg_list(struct target *target,
                struct reg **reg_list[], int *reg_list_size,
                enum target_register_class reg_class);
 
+/**
+ * Check if @a target allows GDB connections.
+ *
+ * Some target do not implement the necessary code required by GDB.
+ */
+bool target_supports_gdb_connection(struct target *target);
+
 /**
  * Step the target.
  *
@@ -580,7 +623,8 @@ int target_read_buffer(struct target *target,
 int target_checksum_memory(struct target *target,
                target_addr_t address, uint32_t size, uint32_t *crc);
 int target_blank_check_memory(struct target *target,
-               target_addr_t address, uint32_t size, uint32_t *blank, uint8_t erased_value);
+               struct target_memory_check_block *blocks, int num_blocks,
+               uint8_t erased_value);
 int target_wait_state(struct target *target, enum target_state state, int ms);
 
 /**
@@ -597,7 +641,17 @@ int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fi
  */
 int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, bool ctrl_c);
 
+/**
+ * Return the highest accessible address for this target.
+ */
+target_addr_t target_address_max(struct target *target);
 
+/**
+ * Return the number of address bits this target supports.
+ *
+ * This routine is a wrapper for target->type->address_bits.
+ */
+unsigned target_address_bits(struct target *target);
 
 /** Return the *name* of this targets current state */
 const char *target_state_name(struct target *target);
@@ -686,6 +740,7 @@ void target_handle_event(struct target *t, enum target_event e);
 #define ERROR_TARGET_TRANSLATION_FAULT (-309)
 #define ERROR_TARGET_NOT_RUNNING (-310)
 #define ERROR_TARGET_NOT_EXAMINED (-311)
+#define ERROR_TARGET_DUPLICATE_BREAKPOINT (-312)
 
 extern bool get_target_reset_nag(void);