sh: introduce asm/swab.h

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 59 deletions

diff --git a/arch/sh/include/asm/byteorder.h b/arch/sh/include/asm/byteorder.h
index f5fa0653ebc6..e95c41a5c8cc 100644
--- a/arch/sh/include/asm/byteorder.h
+++ b/arch/sh/include/asm/byteorder.h
@@ -1,68 +1,12 @@
 #ifndef __ASM_SH_BYTEORDER_H
 #define __ASM_SH_BYTEORDER_H
 
-/*
- * Copyright (C) 1999  Niibe Yutaka
- * Copyright (C) 2000, 2001  Paolo Alberelli
- */
-#include <linux/compiler.h>
-#include <linux/types.h>
+#include <asm/swab.h>
 
 #ifdef __LITTLE_ENDIAN__
-# define __LITTLE_ENDIAN
+#include <linux/byteorder/little_endian.h>
 #else
-# define __BIG_ENDIAN
+#include <linux/byteorder/big_endian.h>
 #endif
 
-#define __SWAB_64_THRU_32__
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
-{
-        __asm__(
-#ifdef __SH5__
-                "byterev        %0, %0\n\t"
-                "shari          %0, 32, %0"
-#else
-                "swap.b         %0, %0\n\t"
-                "swap.w         %0, %0\n\t"
-                "swap.b         %0, %0"
-#endif
-                : "=r" (x)
-                : "0" (x));
-
-        return x;
-}
-#define __arch_swab32 __arch_swab32
-
-static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
-{
-        __asm__(
-#ifdef __SH5__
-                "byterev        %0, %0\n\t"
-                "shari          %0, 32, %0"
-#else
-                "swap.b         %0, %0"
-#endif
-                : "=r" (x)
-                :  "0" (x));
-
-        return x;
-}
-#define __arch_swab16 __arch_swab16
-
-static inline __u64 __arch_swab64(__u64 val)
-{
-        union {
-                struct { __u32 a,b; } s;
-                __u64 u;
-        } v, w;
-        v.u = val;
-        w.s.b = __arch_swab32(v.s.a);
-        w.s.a = __arch_swab32(v.s.b);
-        return w.u;
-}
-#define __arch_swab64 __arch_swab64
-
-#include <linux/byteorder.h>
-
 #endif /* __ASM_SH_BYTEORDER_H */