diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 81c0df9c25..c1db26b299 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3851,6 +3851,11 @@ static inline bool isar_feature_aa64_st(const ARMISARegisters *id)
     return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, ST) != 0;
 }
 
+static inline bool isar_feature_aa64_lse2(const ARMISARegisters *id)
+{
+    return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, AT) != 0;
+}
+
 static inline bool isar_feature_aa64_fwb(const ARMISARegisters *id)
 {
     return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, FWB) != 0;