1/* MN10300 Byte-order primitive construction
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11#ifndef _ASM_SWAB_H
12#define _ASM_SWAB_H
13
14#include <linux/types.h>
15
16#ifdef __GNUC__
17
18static inline __attribute__((const))
19__u32 __arch_swab32(__u32 x)
20{
21	__u32 ret;
22	asm("swap %1,%0" : "=r" (ret) : "r" (x));
23	return ret;
24}
25#define __arch_swab32 __arch_swab32
26
27static inline __attribute__((const))
28__u16 __arch_swab16(__u16 x)
29{
30	__u16 ret;
31	asm("swaph %1,%0" : "=r" (ret) : "r" (x));
32	return ret;
33}
34#define __arch_swab32 __arch_swab32
35
36#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
37#  define __SWAB_64_THRU_32__
38#endif
39
40#endif /* __GNUC__ */
41
42#endif /* _ASM_SWAB_H */
43