Cortex-M7 handling.
[openocd.git] / src / target / armv7m.h
index 6002b571fc10a6af0a05f472be4d6be95eca3ed6..90cad00c2ab3d746c53b2aabdf5dc55315f67ac8 100644 (file)
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
-#ifndef ARMV7M_COMMON_H
-#define ARMV7M_COMMON_H
+#ifndef OPENOCD_TARGET_ARMV7M_H
+#define OPENOCD_TARGET_ARMV7M_H
 
 #include "arm_adi_v5.h"
 #include "arm.h"
+#include "armv7m_trace.h"
 
-/* define for enabling armv7 gdb workarounds */
-#if 1
-#define ARMV7_GDB_HACKS
-#endif
-
-#ifdef ARMV7_GDB_HACKS
-extern uint8_t armv7m_gdb_dummy_cpsr_value[];
-extern struct reg armv7m_gdb_dummy_cpsr_reg;
-#endif
-
-enum armv7m_mode {
-       ARMV7M_MODE_THREAD = 0,
-       ARMV7M_MODE_USER_THREAD = 1,
-       ARMV7M_MODE_HANDLER = 2,
-       ARMV7M_MODE_ANY = -1
-};
-
-extern char *armv7m_mode_strings[];
 extern const int armv7m_psp_reg_map[];
 extern const int armv7m_msp_reg_map[];
 
-enum armv7m_regtype {
-       ARMV7M_REGISTER_CORE_GP,
-       ARMV7M_REGISTER_CORE_SP,
-       ARMV7M_REGISTER_MEMMAP
-};
-
-char *armv7m_exception_string(int number);
+const char *armv7m_exception_string(int number);
 
 /* offsets into armv7m core register cache */
 enum {
@@ -157,32 +132,35 @@ enum {
 enum {
        FP_NONE = 0,
        FPv4_SP,
+       FPv5_SP,
+       FPv5_DP,
 };
 
+#define ARMV7M_NUM_CORE_REGS (ARMV7M_xPSR + 1)
+#define ARMV7M_NUM_CORE_REGS_NOFP (ARMV7M_NUM_CORE_REGS + 6)
+
 #define ARMV7M_COMMON_MAGIC 0x2A452A45
 
 struct armv7m_common {
        struct arm      arm;
 
        int common_magic;
-       struct reg_cache *core_cache;
-       enum armv7m_mode core_mode;
        int exception_number;
-       struct adiv5_dap dap;
 
-       int fp_feature;
+       /* AP this processor is connected to in the DAP */
+       struct adiv5_ap *debug_ap;
 
+       int fp_feature;
        uint32_t demcr;
 
-       /* Direct processor core register read and writes */
-       int (*load_core_reg_u32)(struct target *target,
-               enum armv7m_regtype type, uint32_t num, uint32_t *value);
-       int (*store_core_reg_u32)(struct target *target,
-               enum armv7m_regtype type, uint32_t num, uint32_t value);
+       /* stlink is a high level adapter, does not support all functions */
+       bool stlink;
+
+       struct armv7m_trace_config trace_config;
 
-       /* register cache to processor synchronization */
-       int (*read_core_reg)(struct target *target, unsigned num);
-       int (*write_core_reg)(struct target *target, unsigned num);
+       /* Direct processor core register read and writes */
+       int (*load_core_reg_u32)(struct target *target, uint32_t num, uint32_t *value);
+       int (*store_core_reg_u32)(struct target *target, uint32_t num, uint32_t value);
 
        int (*examine_debug_reason)(struct target *target);
        int (*post_debug_entry)(struct target *target);
@@ -204,25 +182,21 @@ static inline bool is_armv7m(struct armv7m_common *armv7m)
 struct armv7m_algorithm {
        int common_magic;
 
-       enum armv7m_mode core_mode;
+       enum arm_mode core_mode;
 
        uint32_t context[ARMV7M_LAST_REG]; /* ARMV7M_NUM_REGS */
 };
 
-struct armv7m_core_reg {
-       uint32_t num;
-       enum armv7m_regtype type;
-       struct target *target;
-       struct armv7m_common *armv7m_common;
-};
-
 struct reg_cache *armv7m_build_reg_cache(struct target *target);
+void armv7m_free_reg_cache(struct target *target);
+
 enum armv7m_mode armv7m_number_to_mode(int number);
 int armv7m_mode_to_number(enum armv7m_mode mode);
 
 int armv7m_arch_state(struct target *target);
 int armv7m_get_gdb_reg_list(struct target *target,
-               struct reg **reg_list[], int *reg_list_size);
+               struct reg **reg_list[], int *reg_list_size,
+               enum target_register_class reg_class);
 
 int armv7m_init_arch_info(struct target *target, struct armv7m_common *armv7m);
 
@@ -257,4 +231,4 @@ int armv7m_maybe_skip_bkpt_inst(struct target *target, bool *inst_found);
 
 extern const struct command_registration armv7m_command_handlers[];
 
-#endif /* ARMV7M_H */
+#endif /* OPENOCD_TARGET_ARMV7M_H */

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