From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- include/asm-sh/byteorder.h | 56 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 include/asm-sh/byteorder.h (limited to 'include/asm-sh/byteorder.h') diff --git a/include/asm-sh/byteorder.h b/include/asm-sh/byteorder.h new file mode 100644 index 000000000000..bff2b1382e01 --- /dev/null +++ b/include/asm-sh/byteorder.h @@ -0,0 +1,56 @@ +#ifndef __ASM_SH_BYTEORDER_H +#define __ASM_SH_BYTEORDER_H + +/* + * Copyright (C) 1999 Niibe Yutaka + */ + +#include +#include + +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 +#else +#include +#endif + +#endif /* __ASM_SH_BYTEORDER_H */ -- cgit v1.2.3