diff options
| author | Harvey Harrison <harvey.harrison@gmail.com> | 2009-01-07 01:56:25 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 05:10:27 +0300 |
| commit | 1af84a625356768ab1f9687b70c825250123d7fd (patch) | |
| tree | 9bf824eab0ccaed29b217964d4ec5d0bc715fcc8 /arch/sh/include/asm/byteorder.h | |
| parent | 13f7877bb5aeb1d5ad01ffbf17a80fb550fa6642 (diff) | |
| download | linux-1af84a625356768ab1f9687b70c825250123d7fd.tar.xz | |
sh: introduce asm/swab.h
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh/include/asm/byteorder.h')
| -rw-r--r-- | arch/sh/include/asm/byteorder.h | 62 |
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 */ |