diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 37f1eca3af..579fa8f8f4 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -1364,6 +1364,11 @@ static inline bool isar_feature_aa64_s2pie(const ARMISARegisters *id)
     return FIELD_EX64_IDREG(id, ID_AA64MMFR3, S2PIE) != 0;
 }
 
+static inline bool isar_feature_aa64_aie(const ARMISARegisters *id)
+{
+    return FIELD_EX64_IDREG(id, ID_AA64MMFR3, AIE) != 0;
+}
+
 static inline bool isar_feature_aa64_mec(const ARMISARegisters *id)
 {
     return FIELD_EX64_IDREG(id, ID_AA64MMFR3, MEC) != 0;