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File: [Development] / linux-2.4-xfs / include / asm-sparc64 / byteorder.h (download)

Revision 1.1, Wed Dec 31 00:54:49 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD 

Initial Import 2.4.24pre2

/* $Id: byteorder.h,v 1.8 1997/12/18 02:44:14 ecd Exp $ */
#ifndef _SPARC64_BYTEORDER_H
#define _SPARC64_BYTEORDER_H

#include <asm/types.h>
#include <asm/asi.h>

#ifdef __GNUC__

static __inline__ __u16 ___arch__swab16p(__u16 *addr)
{
	__u16 ret;

	__asm__ __volatile__ ("lduha [%1] %2, %0"
			      : "=r" (ret)
			      : "r" (addr), "i" (ASI_PL));
	return ret;
}

static __inline__ __u32 ___arch__swab32p(__u32 *addr)
{
	__u32 ret;

	__asm__ __volatile__ ("lduwa [%1] %2, %0"
			      : "=r" (ret)
			      : "r" (addr), "i" (ASI_PL));
	return ret;
}

static __inline__ __u64 ___arch__swab64p(__u64 *addr)
{
	__u64 ret;

	__asm__ __volatile__ ("ldxa [%1] %2, %0"
			      : "=r" (ret)
			      : "r" (addr), "i" (ASI_PL));
	return ret;
}

#define __arch__swab16p(x) ___arch__swab16p(x)
#define __arch__swab32p(x) ___arch__swab32p(x)
#define __arch__swab64p(x) ___arch__swab64p(x)

#define __BYTEORDER_HAS_U64__

#endif /* __GNUC__ */

#include <linux/byteorder/big_endian.h>

#endif /* _SPARC64_BYTEORDER_H */