- FEAT_AdvSIMD (Advanced SIMD Extension)
- FEAT_AES (AESD and AESE instructions)
- FEAT_AFP (Alternate floating-point behavior)
+- FEAT_AIE (Memory Attribute Index Enhancement)
- FEAT_Armv9_Crypto (Armv9 Cryptographic Extension)
- FEAT_ASID16 (16 bit ASID)
- FEAT_ATS1A (Address Translation operations that ignore stage 1 permissions)
t = FIELD_DP64(t, ID_AA64MMFR3, SPEC_FPACC, 1); /* FEAT_FPACC_SPEC */
t = FIELD_DP64(t, ID_AA64MMFR3, S1PIE, 1); /* FEAT_S1PIE */
t = FIELD_DP64(t, ID_AA64MMFR3, S2PIE, 1); /* FEAT_S2PIE */
+ t = FIELD_DP64(t, ID_AA64MMFR3, AIE, 1); /* FEAT_AIE */
SET_IDREG(isar, ID_AA64MMFR3, t);
t = GET_IDREG(isar, ID_AA64ZFR0);