43 lines
988 B
C
43 lines
988 B
C
|
/* MN10300 Byte-order primitive construction
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
||
|
|
* Written by David Howells (dhowells@redhat.com)
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public Licence
|
||
|
|
* as published by the Free Software Foundation; either version
|
||
|
|
* 2 of the Licence, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
#ifndef _ASM_SWAB_H
|
||
|
|
#define _ASM_SWAB_H
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
#ifdef __GNUC__
|
||
|
|
|
||
|
|
static inline __attribute__((const))
|
||
|
|
__u32 __arch_swab32(__u32 x)
|
||
|
|
{
|
||
|
|
__u32 ret;
|
||
|
|
asm("swap %1,%0" : "=r" (ret) : "r" (x));
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
#define __arch_swab32 __arch_swab32
|
||
|
|
|
||
|
|
static inline __attribute__((const))
|
||
|
|
__u16 __arch_swab16(__u16 x)
|
||
|
|
{
|
||
|
|
__u16 ret;
|
||
|
|
asm("swaph %1,%0" : "=r" (ret) : "r" (x));
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
#define __arch_swab32 __arch_swab32
|
||
|
|
|
||
|
|
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
|
||
|
|
# define __SWAB_64_THRU_32__
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __GNUC__ */
|
||
|
|
|
||
|
|
#endif /* _ASM_SWAB_H */
|