- FEAT_PMULL (PMULL, PMULL2 instructions)
- FEAT_PMUv3p1 (PMU Extensions v3.1)
- FEAT_PMUv3p4 (PMU Extensions v3.4)
+- FEAT_RAS (Reliability, availability, and serviceability)
- FEAT_RDM (Advanced SIMD rounding double multiply accumulate instructions)
- FEAT_RNG (Random number generator)
- FEAT_SB (Speculation Barrier)
t = cpu->isar.id_aa64pfr0;
t = FIELD_DP64(t, ID_AA64PFR0, FP, 1); /* FEAT_FP16 */
t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 1); /* FEAT_FP16 */
+ t = FIELD_DP64(t, ID_AA64PFR0, RAS, 1); /* FEAT_RAS */
t = FIELD_DP64(t, ID_AA64PFR0, SVE, 1);
t = FIELD_DP64(t, ID_AA64PFR0, SEL2, 1); /* FEAT_SEL2 */
t = FIELD_DP64(t, ID_AA64PFR0, DIT, 1); /* FEAT_DIT */
t = cpu->isar.id_pfr0;
t = FIELD_DP32(t, ID_PFR0, DIT, 1); /* FEAT_DIT */
+ t = FIELD_DP32(t, ID_PFR0, RAS, 1); /* FEAT_RAS */
cpu->isar.id_pfr0 = t;
t = cpu->isar.id_pfr2;