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[v2,16/24] target/arm: Enable FEAT_RAS for -cpu max

Message ID 20220412003326.588530-17-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: 8 new features, A76 and N1 | expand

Commit Message

Richard Henderson April 12, 2022, 12:33 a.m. UTC 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Update emulation.rst
---
 docs/system/arm/emulation.rst | 1 +
 target/arm/cpu64.c            | 1 +
 target/arm/cpu_tcg.c          | 1 +
 3 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index c89c344de1..35b6f7d4de 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -41,6 +41,7 @@  the following architecture extensions:
 - 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)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 9bed76342f..3525aba610 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -744,6 +744,7 @@  static void aarch64_max_initfn(Object *obj)
     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 */
diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c
index 4ff4f30e89..4aa2eb0841 100644
--- a/target/arm/cpu_tcg.c
+++ b/target/arm/cpu_tcg.c
@@ -68,6 +68,7 @@  void arm32_max_features(ARMCPU *cpu)
 
     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;