armv7m: use generic register core_cache

[openocd.git] / src / target / armv7m.h

diff --git a/src/target/armv7m.h b/src/target/armv7m.h
index ca921468fc15c4511bf9d5e8ebd8a1518b414a6c..20ad7c122d8fef223801488d4ae56f18a8fc0290 100644 (file)
--- a/src/target/armv7m.h
+++ b/src/target/armv7m.h
@@ -23,6 +23,7 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
 #ifndef ARMV7M_COMMON_H
 #define ARMV7M_COMMON_H
 
@@ -39,31 +40,15 @@ 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[];
-
-enum armv7m_regtype
-{
-       ARMV7M_REGISTER_CORE_GP,
-       ARMV7M_REGISTER_CORE_SP,
-       ARMV7M_REGISTER_MEMMAP
-};
+extern const int armv7m_psp_reg_map[];
+extern const int armv7m_msp_reg_map[];
 
 char *armv7m_exception_string(int number);
 
 /* offsets into armv7m core register cache */
-enum
-{
+enum {
        /* for convenience, the first set of indices match
-        * the Cortex-M3 DCRSR selectors
+        * the Cortex-M3/-M4 DCRSR selectors
         */
        ARMV7M_R0,
        ARMV7M_R1,
@@ -94,27 +79,90 @@ enum
        ARMV7M_BASEPRI,
        ARMV7M_FAULTMASK,
        ARMV7M_CONTROL,
+
+       /* 32bit Floating-point registers */
+       ARMV7M_S0,
+       ARMV7M_S1,
+       ARMV7M_S2,
+       ARMV7M_S3,
+       ARMV7M_S4,
+       ARMV7M_S5,
+       ARMV7M_S6,
+       ARMV7M_S7,
+       ARMV7M_S8,
+       ARMV7M_S9,
+       ARMV7M_S10,
+       ARMV7M_S11,
+       ARMV7M_S12,
+       ARMV7M_S13,
+       ARMV7M_S14,
+       ARMV7M_S15,
+       ARMV7M_S16,
+       ARMV7M_S17,
+       ARMV7M_S18,
+       ARMV7M_S19,
+       ARMV7M_S20,
+       ARMV7M_S21,
+       ARMV7M_S22,
+       ARMV7M_S23,
+       ARMV7M_S24,
+       ARMV7M_S25,
+       ARMV7M_S26,
+       ARMV7M_S27,
+       ARMV7M_S28,
+       ARMV7M_S29,
+       ARMV7M_S30,
+       ARMV7M_S31,
+
+       /* 64bit Floating-point registers */
+       ARMV7M_D0,
+       ARMV7M_D1,
+       ARMV7M_D2,
+       ARMV7M_D3,
+       ARMV7M_D4,
+       ARMV7M_D5,
+       ARMV7M_D6,
+       ARMV7M_D7,
+       ARMV7M_D8,
+       ARMV7M_D9,
+       ARMV7M_D10,
+       ARMV7M_D11,
+       ARMV7M_D12,
+       ARMV7M_D13,
+       ARMV7M_D14,
+       ARMV7M_D15,
+
+       /* Floating-point status registers */
+       ARMV7M_FPSID,
+       ARMV7M_FPSCR,
+       ARMV7M_FPEXC,
+
+       ARMV7M_LAST_REG,
+};
+
+enum {
+       FP_NONE = 0,
+       FPv4_SP,
 };
 
 #define ARMV7M_COMMON_MAGIC 0x2A452A45
 
-struct armv7m_common
-{
+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;
        uint32_t demcr;
 
+       /* stlink is a high level adapter, does not support all functions */
+       bool stlink;
+
        /* 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);
+       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);
 
        /* register cache to processor synchronization */
        int (*read_core_reg)(struct target *target, unsigned num);
@@ -137,21 +185,12 @@ static inline bool is_armv7m(struct armv7m_common *armv7m)
        return armv7m->common_magic == ARMV7M_COMMON_MAGIC;
 }
 
-struct armv7m_algorithm
-{
+struct armv7m_algorithm {
        int common_magic;
 
-       enum armv7m_mode core_mode;
-
-       uint32_t context[ARMV7M_CONTROL + 1]; //ARMV7M_NUM_REGS
-};
+       enum arm_mode core_mode;
 
-struct armv7m_core_reg
-{
-       uint32_t num;
-       enum armv7m_regtype type;
-       struct target *target;
-       struct armv7m_common *armv7m_common;
+       uint32_t context[ARMV7M_LAST_REG]; /* ARMV7M_NUM_REGS */
 };
 
 struct reg_cache *armv7m_build_reg_cache(struct target *target);
@@ -187,9 +226,9 @@ int armv7m_invalidate_core_regs(struct target *target);
 int armv7m_restore_context(struct target *target);
 
 int armv7m_checksum_memory(struct target *target,
-               uint32_t address, uint32_t count, uint32_t* checksum);
+               uint32_t address, uint32_t count, uint32_t *checksum);
 int armv7m_blank_check_memory(struct target *target,
-               uint32_t address, uint32_t count, uint32_t* blank);
+               uint32_t address, uint32_t count, uint32_t *blank);
 
 int armv7m_maybe_skip_bkpt_inst(struct target *target, bool *inst_found);