Linus TorvaldsLinux-2.6.12-rc21da177e21 years agoHistory
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#ifndef __ASM_SH_BYTEORDER_H#define __ASM_SH_BYTEORDER_H /* * Copyright (C) 1999  Niibe Yutaka */ #include <asm/types.h>#include <linux/compiler.h> static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x){	__asm__("swap.b	%0, %0\n\t"		"swap.w %0, %0\n\t"		"swap.b %0, %0"		: "=r" (x)		: "0" (x));	return x;} static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x){	__asm__("swap.b %0, %0"		: "=r" (x)		:  "0" (x));	return x;} 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(x) ___arch__swab64(x)#define __arch__swab32(x) ___arch__swab32(x)#define __arch__swab16(x) ___arch__swab16(x) #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)#  define __BYTEORDER_HAS_U64__#  define __SWAB_64_THRU_32__#endif #ifdef __LITTLE_ENDIAN__#include <linux/byteorder/little_endian.h>#else#include <linux/byteorder/big_endian.h>#endif #endif /* __ASM_SH_BYTEORDER_H */