diff --git a/target/mips/internal.h b/target/mips/internal.h
index 84c8e5e1ae..91c786cff8 100644
--- a/target/mips/internal.h
+++ b/target/mips/internal.h
@@ -230,6 +230,11 @@ static inline bool mips_env_is_bigendian(CPUMIPSState *env)
     return extract32(env->CP0_Config0, CP0C0_BE, 1);
 }
 
+static inline MemOp mo_endian_env(CPUMIPSState *env)
+{
+    return mips_env_is_bigendian(env) ? MO_BE : MO_LE;
+}
+
 static inline void restore_pamask(CPUMIPSState *env)
 {
     if (env->hflags & MIPS_HFLAG_ELPA) {