1 files changed, 19 insertions, 0 deletions
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index b729f3b25a..c75178a3d6 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -43,5 +43,24 @@ void address_space_dispatch_free(AddressSpaceDispatch *d);
 
 void mtree_print_dispatch(struct AddressSpaceDispatch *d,
                           MemoryRegion *root);
+
+/* returns true if end is big endian. */
+static inline bool devend_big_endian(enum device_endian end)
+{
+    QEMU_BUILD_BUG_ON(DEVICE_HOST_ENDIAN != DEVICE_LITTLE_ENDIAN &&
+                      DEVICE_HOST_ENDIAN != DEVICE_BIG_ENDIAN);
+
+    if (end == DEVICE_NATIVE_ENDIAN) {
+        return target_words_bigendian();
+    }
+    return end == DEVICE_BIG_ENDIAN;
+}
+
+/* enum device_endian to MemOp.  */
+static inline MemOp devend_memop(enum device_endian end)
+{
+    return devend_big_endian(end) ? MO_BE : MO_LE;
+}
+
 #endif
 #endif