MIPS: Use ARCH_USE_BUILTIN_BSWAP.

[firefly-linux-kernel-4.4.55.git] / arch / mips / lib / bswapdi.c

diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c
new file mode 100644 (file)
index 0000000..77e5f9c
--- /dev/null
+++ b/arch/mips/lib/bswapdi.c
@@ -0,0 +1,15 @@
+#include <linux/module.h>
+
+unsigned long long __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);