mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-19 02:04:19 +08:00
96a388de5d
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
34 lines
726 B
C
34 lines
726 B
C
#ifndef _X86_64_BYTEORDER_H
|
|
#define _X86_64_BYTEORDER_H
|
|
|
|
#include <asm/types.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#ifdef __GNUC__
|
|
|
|
static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
|
|
{
|
|
__asm__("bswapq %0" : "=r" (x) : "0" (x));
|
|
return x;
|
|
}
|
|
|
|
static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
|
|
{
|
|
__asm__("bswapl %0" : "=r" (x) : "0" (x));
|
|
return x;
|
|
}
|
|
|
|
/* Do not define swab16. Gcc is smart enough to recognize "C" version and
|
|
convert it into rotation or exhange. */
|
|
|
|
#define __arch__swab32(x) ___arch__swab32(x)
|
|
#define __arch__swab64(x) ___arch__swab64(x)
|
|
|
|
#endif /* __GNUC__ */
|
|
|
|
#define __BYTEORDER_HAS_U64__
|
|
|
|
#include <linux/byteorder/little_endian.h>
|
|
|
|
#endif /* _X86_64_BYTEORDER_H */
|