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#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__swab64(__u64 x)
{
__u64 result;
__asm__ __volatile__ (
" lrvg %0,%1"
: "=&d" (result) : "m" (x) );
return result;
}
static __inline__ __const__ __u64 ___arch__swab64p(__u64 *x)
{
__u64 result;
__asm__ __volatile__ (
" lrvg %0,%1"
: "=d" (result) : "m" (*x) );
return result;
}
static __inline__ void ___arch__swab64s(__u64 *x)
{
__asm__ __volatile__ (
" lrvg %0,%1\n"
" stg %0,%1"
: : "m" (*x) : "memory");
}
static __inline__ __const__ __u32 ___arch__swab32(__u32 x)
{
__u32 result;
__asm__ __volatile__ (
" lrv %0,%1"
: "=&d" (result) : "m" (x) );
return result;
}
static __inline__ __const__ __u32 ___arch__swab32p(__u32 *x)
{
__u32 result;
__asm__ __volatile__ (
" lrv %0,%1"
: "=d" (result) : "m" (*x) );
return result;
}
static __inline__ void ___arch__swab32s(__u32 *x)
{
__asm__ __volatile__ (
" lrv %0,%1\n"
" st %0,%1"
: : "m" (*x) : "memory");
}
static __inline__ __const__ __u16 ___arch__swab16(__u16 x)
{
__u16 result;
__asm__ __volatile__ (
" lrvh %0,%1"
: "=d" (result) : "m" (x) );
return result;
}
static __inline__ __const__ __u16 ___arch__swab16p(__u16 *x)
{
__u16 result;
__asm__ __volatile__ (
" lrvh %0,%1"
: "=d" (result) : "m" (*x) );
return result;
}
static __inline__ void ___arch__swab16s(__u16 *x)
{
__asm__ __volatile__ (
" lrvh %0,%1\n"
" sth %0,%1"
: : "m" (*x) : "memory");
}
#define __arch__swab32(x) ___arch__swab32(x)
#define __arch__swab16(x) ___arch__swab16(x)
#define __arch__swab32p(x) ___arch__swab32p(x)
#define __arch__swab16p(x) ___arch__swab16p(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 */
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