1#ifndef __ASM_SH_BYTEORDER_H
2#define __ASM_SH_BYTEORDER_H
3
4/*
5 * Copyright (C) 1999  Niibe Yutaka
6 */
7
8#include <asm/types.h>
9#include <linux/compiler.h>
10
11static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
12{
13	__asm__("swap.b	%0, %0\n\t"
14		"swap.w %0, %0\n\t"
15		"swap.b %0, %0"
16		: "=r" (x)
17		: "0" (x));
18	return x;
19}
20
21static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
22{
23	__asm__("swap.b %0, %0"
24		: "=r" (x)
25		:  "0" (x));
26	return x;
27}
28
29static inline __u64 ___arch__swab64(__u64 val)
30{
31	union {
32		struct { __u32 a,b; } s;
33		__u64 u;
34	} v, w;
35	v.u = val;
36	w.s.b = ___arch__swab32(v.s.a);
37	w.s.a = ___arch__swab32(v.s.b);
38	return w.u;
39}
40
41#define __arch__swab64(x) ___arch__swab64(x)
42#define __arch__swab32(x) ___arch__swab32(x)
43#define __arch__swab16(x) ___arch__swab16(x)
44
45#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
46#  define __BYTEORDER_HAS_U64__
47#  define __SWAB_64_THRU_32__
48#endif
49
50#ifdef __LITTLE_ENDIAN__
51#include <linux/byteorder/little_endian.h>
52#else
53#include <linux/byteorder/big_endian.h>
54#endif
55
56#endif /* __ASM_SH_BYTEORDER_H */
57