Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Open Menu / include / asm-s390x / byteorder.h
Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
#ifndef _S390_BYTEORDER_H
#define _S390_BYTEORDER_H

/*
 *  include/asm-s390/byteorder.h
 *
 *  S390 version
 *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
 *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
 */

#include <asm/types.h>

#ifdef __GNUC__

static __inline__ __const__ __u64 ___arch__swab64p(__u64 *x)
{
	__u64 result;

	__asm__ __volatile__ (
		"   lrvg %0,%1"
		: "=d" (result) : "m" (*x) );
	return result;
}

static __inline__ __const__ __u64 ___arch__swab64(__u64 x)
{
	__u64 result;

	__asm__ __volatile__ (
		"   lrvgr %0,%1"
		: "=d" (result) : "d" (x) );
	return result;
}

static __inline__ void ___arch__swab64s(__u64 *x)
{
	*x = ___arch__swab64p(x);
}

static __inline__ __const__ __u32 ___arch__swab32p(__u32 *x)
{
	__u32 result;
	
	__asm__ __volatile__ (
		"   lrv  %0,%1"
		: "=d" (result) : "m" (*x) );
	return result;
}

static __inline__ __const__ __u32 ___arch__swab32(__u32 x)
{
	__u32 result;
	
	__asm__ __volatile__ (
		"   lrvr  %0,%1"
		: "=d" (result) : "d" (x) );
	return result;
}

static __inline__ void ___arch__swab32s(__u32 *x)
{
	*x = ___arch__swab32p(x);
}

static __inline__ __const__ __u16 ___arch__swab16p(__u16 *x)
{
	__u16 result;
	
	__asm__ __volatile__ (
		"   lrvh %0,%1"
		: "=d" (result) : "m" (*x) );
	return result;
}

static __inline__ __const__ __u16 ___arch__swab16(__u16 x)
{
	return ___arch__swab16p(&x);
}

static __inline__ void ___arch__swab16s(__u16 *x)
{
	*x = ___arch__swab16p(x);
}

#define __arch__swab64(x) ___arch__swab64(x)
#define __arch__swab32(x) ___arch__swab32(x)
#define __arch__swab16(x) ___arch__swab16(x)
#define __arch__swab64p(x) ___arch__swab64p(x)
#define __arch__swab32p(x) ___arch__swab32p(x)
#define __arch__swab16p(x) ___arch__swab16p(x)
#define __arch__swab64s(x) ___arch__swab64s(x)
#define __arch__swab32s(x) ___arch__swab32s(x)
#define __arch__swab16s(x) ___arch__swab16s(x)

#define __BYTEORDER_HAS_U64__

#endif /* __GNUC__ */

#include <linux/byteorder/big_endian.h>

#endif /* _S390_BYTEORDER_H */