1 files changed, 17 insertions, 0 deletions

diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c
new file mode 100644
index 000000000..fcef74084
--- /dev/null
+++ b/arch/mips/lib/bswapdi.c
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/export.h>
+#include <linux/compiler.h>
+
+unsigned long long notrace __bswapdi2(unsigned long long u)
+{
+        return (((u) & 0xff00000000000000ull) >> 56) |
+               (((u) & 0x00ff000000000000ull) >> 40) |
+               (((u) & 0x0000ff0000000000ull) >> 24) |
+               (((u) & 0x000000ff00000000ull) >>  8) |
+               (((u) & 0x00000000ff000000ull) <<  8) |
+               (((u) & 0x0000000000ff0000ull) << 24) |
+               (((u) & 0x000000000000ff00ull) << 40) |
+               (((u) & 0x00000000000000ffull) << 56);
+}
+
+EXPORT_SYMBOL(__bswapdi2);