Update the ID registers for TCG's '-cpu max' to report the
FEAT_EVT Enhanced Virtualization Traps support.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
docs/system/arm/emulation.rst | 1 +
target/arm/cpu64.c | 1 +
target/arm/cpu_tcg.c | 1 +
3 files changed, 3 insertions(+)
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index cfb4b0768b0..bc330cff463 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -25,6 +25,7 @@ the following architecture extensions:
- FEAT_DotProd (Advanced SIMD dot product instructions)
- FEAT_DoubleFault (Double Fault Extension)
- FEAT_ETS (Enhanced Translation Synchronization)
+- FEAT_EVT (Enhanced Virtualization Traps)
- FEAT_FCMA (Floating-point complex number instructions)
- FEAT_FHM (Floating-point half-precision multiplication instructions)
- FEAT_FP16 (Half-precision floating-point data processing)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 85e0d1daf1c..3a5df146ac2 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -1185,6 +1185,7 @@ static void aarch64_max_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR2, FWB, 1); /* FEAT_S2FWB */
t = FIELD_DP64(t, ID_AA64MMFR2, TTL, 1); /* FEAT_TTL */
t = FIELD_DP64(t, ID_AA64MMFR2, BBM, 2); /* FEAT_BBM at level 2 */
+ t = FIELD_DP64(t, ID_AA64MMFR2, EVT, 2); /* FEAT_EVT */
cpu->isar.id_aa64mmfr2 = t;
t = cpu->isar.id_aa64zfr0;
diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c
index 60ff539fa18..4553d20edd4 100644
--- a/target/arm/cpu_tcg.c
+++ b/target/arm/cpu_tcg.c
@@ -65,6 +65,7 @@ void aa32_max_features(ARMCPU *cpu)
t = FIELD_DP32(t, ID_MMFR4, AC2, 1); /* ACTLR2, HACTLR2 */
t = FIELD_DP32(t, ID_MMFR4, CNP, 1); /* FEAT_TTCNP */
t = FIELD_DP32(t, ID_MMFR4, XNX, 1); /* FEAT_XNX */
+ t = FIELD_DP32(t, ID_MMFR4, EVT, 2); /* FEAT_EVT */
cpu->isar.id_mmfr4 = t;
t = cpu->isar.id_mmfr5;
--
2.25.1
