byteorder.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- #ifndef _ASM_IA64_BYTEORDER_H
- #define _ASM_IA64_BYTEORDER_H
- /*
- * Copyright (C) 1998, 1999 Hewlett-Packard Co
- * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
- */
- #include <asm/types.h>
- static __inline__ __const__ __u64
- __ia64_swab64 (__u64 x)
- {
- __u64 result;
- __asm__ ("mux1 %0=%1,@rev" : "=r" (result) : "r" (x));
- return result;
- }
- static __inline__ __const__ __u32
- __ia64_swab32 (__u32 x)
- {
- return __ia64_swab64(x) >> 32;
- }
- static __inline__ __const__ __u16
- __ia64_swab16(__u16 x)
- {
- return __ia64_swab64(x) >> 48;
- }
- #define __arch__swab64(x) __ia64_swab64(x)
- #define __arch__swab32(x) __ia64_swab32(x)
- #define __arch__swab16(x) __ia64_swab16(x)
- #define __BYTEORDER_HAS_U64__
- #include <linux/byteorder/little_endian.h>
- #endif /* _ASM_IA64_BYTEORDER_H */