Support for Arm VFP v3 registers read/write

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

diff --git a/src/target/arm.h b/src/target/arm.h
index d63ead215159d5e430d0a6de75b2e0e5a44c8275..62fbb736856352fac42ca646140cf1cd84f390eb 100644 (file)
--- a/src/target/arm.h
+++ b/src/target/arm.h
@@ -66,18 +66,54 @@ enum arm_mode {
        ARM_MODE_USER_THREAD = 1,
        ARM_MODE_HANDLER = 2,
 
-       /* shift left 4 bits for armv8 64 */
-       ARMV8_64_EL0T = 0x0F,
-       ARMV8_64_EL1T = 0x4F,
-       ARMV8_64_EL1H = 0x5F,
-       ARMV8_64_EL2T = 0x8F,
-       ARMV8_64_EL2H = 0x9F,
-       ARMV8_64_EL3T = 0xCF,
-       ARMV8_64_EL3H = 0xDF,
+       ARMV8_64_EL0T = 0x0,
+       ARMV8_64_EL1T = 0x4,
+       ARMV8_64_EL1H = 0x5,
+       ARMV8_64_EL2T = 0x8,
+       ARMV8_64_EL2H = 0x9,
+       ARMV8_64_EL3T = 0xC,
+       ARMV8_64_EL3H = 0xD,
 
        ARM_MODE_ANY = -1
 };
 
+/* VFPv3 internal register numbers mapping to d0:31 */
+enum {
+       ARM_VFP_V3_D0 = 51,
+       ARM_VFP_V3_D1,
+       ARM_VFP_V3_D2,
+       ARM_VFP_V3_D3,
+       ARM_VFP_V3_D4,
+       ARM_VFP_V3_D5,
+       ARM_VFP_V3_D6,
+       ARM_VFP_V3_D7,
+       ARM_VFP_V3_D8,
+       ARM_VFP_V3_D9,
+       ARM_VFP_V3_D10,
+       ARM_VFP_V3_D11,
+       ARM_VFP_V3_D12,
+       ARM_VFP_V3_D13,
+       ARM_VFP_V3_D14,
+       ARM_VFP_V3_D15,
+       ARM_VFP_V3_D16,
+       ARM_VFP_V3_D17,
+       ARM_VFP_V3_D18,
+       ARM_VFP_V3_D19,
+       ARM_VFP_V3_D20,
+       ARM_VFP_V3_D21,
+       ARM_VFP_V3_D22,
+       ARM_VFP_V3_D23,
+       ARM_VFP_V3_D24,
+       ARM_VFP_V3_D25,
+       ARM_VFP_V3_D26,
+       ARM_VFP_V3_D27,
+       ARM_VFP_V3_D28,
+       ARM_VFP_V3_D29,
+       ARM_VFP_V3_D30,
+       ARM_VFP_V3_D31,
+       ARM_VFP_V3_FPSCR,
+};
+
 const char *arm_mode_name(unsigned psr_mode);
 bool is_arm_mode(unsigned psr_mode);
 
@@ -90,6 +126,14 @@ enum arm_state {
        ARM_STATE_AARCH64,
 };
 
+/** ARM vector floating point enabled, if yes which version. */
+enum arm_vfp_version {
+       ARM_VFP_DISABLED,
+       ARM_VFP_V1,
+       ARM_VFP_V2,
+       ARM_VFP_V3,
+};
+
 #define ARM_COMMON_MAGIC 0x0A450A45
 
 /**
@@ -146,6 +190,9 @@ struct arm {
        /** Flag reporting whether semihosting fileio operation is active. */
        bool semihosting_hit_fileio;
 
+       /** Floating point or VFP version, 0 if disabled. */
+       int arm_vfp_version;
+
        /** Current semihosting operation. */
        int semihosting_op;
 
@@ -157,6 +204,9 @@ struct arm {
 
        int (*setup_semihosting)(struct target *target, int enable);
 
+       /** Semihosting command line. */
+       char *semihosting_cmdline;
+
        /** Backpointer to the target. */
        struct target *target;
 
@@ -223,7 +273,7 @@ struct arm_reg {
        enum arm_mode mode;
        struct target *target;
        struct arm *arm;
-       uint8_t value[8];
+       uint8_t value[16];
 };
 
 struct reg_cache *arm_build_reg_cache(struct target *target, struct arm *arm);