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target/arm: Add syndrome data for EC_GCS

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Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20251008215613.300150-38-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2025-10-08 14:55:37 -07:00 • committed by Peter Maydell
parent de83d60a84
commit f0fdbfae97
1 changed files with 35 additions and 0 deletions
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35
target/arm/syndrome.h
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@ -63,6 +63,7 @@ enum arm_exception_class {
EC_MOP = 0x27,
EC_AA32_FPTRAP = 0x28,
EC_AA64_FPTRAP = 0x2c,
EC_GCS = 0x2d,
EC_SERROR = 0x2f,
EC_BREAKPOINT = 0x30,
EC_BREAKPOINT_SAME_EL = 0x31,
@ -83,6 +84,23 @@ typedef enum {
SME_ET_InaccessibleZT0,
} SMEExceptionType;
typedef enum {
GCS_ET_DataCheck,
GCS_ET_EXLOCK,
GCS_ET_GCSSTR_GCSSTTR,
} GCSExceptionType;
typedef enum {
GCS_IT_RET_nPauth = 0,
GCS_IT_GCSPOPM = 1,
GCS_IT_RET_PauthA = 2,
GCS_IT_RET_PauthB = 3,
GCS_IT_GCSSS1 = 4,
GCS_IT_GCSSS2 = 5,
GCS_IT_GCSPOPCX = 8,
GCS_IT_GCSPOPX = 9,
} GCSInstructionType;
#define ARM_EL_EC_LENGTH 6
#define ARM_EL_EC_SHIFT 26
#define ARM_EL_IL_SHIFT 25
@ -351,6 +369,23 @@ static inline uint32_t syn_pcalignment(void)
return (EC_PCALIGNMENT << ARM_EL_EC_SHIFT) | ARM_EL_IL;
}
static inline uint32_t syn_gcs_data_check(GCSInstructionType it, int rn)
{
return ((EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL |
(GCS_ET_DataCheck << 20) | (rn << 5) | it);
}
static inline uint32_t syn_gcs_exlock(void)
{
return (EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL | (GCS_ET_EXLOCK << 20);
}
static inline uint32_t syn_gcs_gcsstr(int ra, int rn)
{
return ((EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL |
(GCS_ET_GCSSTR_GCSSTTR << 20) | (ra << 10) | (rn << 5));
}
static inline uint32_t syn_serror(uint32_t extra)
{
return (EC_SERROR << ARM_EL_EC_SHIFT) | ARM_EL_IL | extra;