diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index b300d04..c59ca10 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -571,6 +571,11 @@
     return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, I8MM) != 0;
 }
 
+static inline bool isar_feature_aa64_wfxt(const ARMISARegisters *id)
+{
+    return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, WFXT) >= 2;
+}
+
 static inline bool isar_feature_aa64_hbc(const ARMISARegisters *id)
 {
     return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, BC) != 0;