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Reviewed-by: Richard Henderson Signed-off-by: Alex Benn=C3=A9e Message-id: 20260422125250.1303100-7-alex.bennee@linaro.org Signed-off-by: Peter Maydell --- target/arm/syndrome.h | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h index 6105347598..fd8639d4f0 100644 --- a/target/arm/syndrome.h +++ b/target/arm/syndrome.h @@ -398,15 +398,32 @@ static inline uint32_t syn_smetrap(SMEExceptionType e= type, bool is_16bit) return res; } =20 +/* + * ISS encoding for a PAC Fail exceptions + */ +FIELD(PACFAIL_ISS, BnA, 0, 1) /* B key or A key */ +FIELD(PACFAIL_ISS, DnI, 1, 1) /* Data or Instruction */ + static inline uint32_t syn_pacfail(bool data, int keynumber) { - int error_code =3D (data << 1) | keynumber; - return (EC_PACFAIL << ARM_EL_EC_SHIFT) | ARM_EL_IL | error_code; + uint32_t res =3D syn_set_ec(0, EC_PACFAIL); + res =3D FIELD_DP32(res, SYNDROME, IL, 1); + + res =3D FIELD_DP32(res, PACFAIL_ISS, DnI, data); + res =3D FIELD_DP32(res, PACFAIL_ISS, BnA, keynumber); + + return res; } =20 +/* + * ISS encoding for an exception from a trapped Pointer + * Authentication instruction is RES0 + */ static inline uint32_t syn_pactrap(void) { - return (EC_PACTRAP << ARM_EL_EC_SHIFT) | ARM_EL_IL; + uint32_t res =3D syn_set_ec(0, EC_PACTRAP); + res =3D FIELD_DP32(res, SYNDROME, IL, 1); + return res; } =20 static inline uint32_t syn_btitrap(int btype) --=20 2.43.0