[deliverable/linux.git] / include / asm-sparc64 / byteorder.h

/* $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(const __u16 *addr)
{
	__u16 ret;

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

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

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

static __inline__ __u64 ___arch__swab64p(const __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 */
Commit	Line	Data
1da177e4 LT	1	/* $Id: byteorder.h,v 1.8 1997/12/18 02:44:14 ecd Exp $ */
	2	#ifndef _SPARC64_BYTEORDER_H
	3	#define _SPARC64_BYTEORDER_H
	4
	5	#include <asm/types.h>
	6	#include <asm/asi.h>
	7
	8	#ifdef __GNUC__
	9
	10	static __inline__ __u16 ___arch__swab16p(const __u16 *addr)
	11	{
	12	__u16 ret;
	13
	14	__asm__ __volatile__ ("lduha [%1] %2, %0"
	15	: "=r" (ret)
	16	: "r" (addr), "i" (ASI_PL));
	17	return ret;
	18	}
	19
	20	static __inline__ __u32 ___arch__swab32p(const __u32 *addr)
	21	{
	22	__u32 ret;
	23
	24	__asm__ __volatile__ ("lduwa [%1] %2, %0"
	25	: "=r" (ret)
	26	: "r" (addr), "i" (ASI_PL));
	27	return ret;
	28	}
	29
	30	static __inline__ __u64 ___arch__swab64p(const __u64 *addr)
	31	{
	32	__u64 ret;
	33
	34	__asm__ __volatile__ ("ldxa [%1] %2, %0"
	35	: "=r" (ret)
	36	: "r" (addr), "i" (ASI_PL));
	37	return ret;
	38	}
	39
	40	#define __arch__swab16p(x) ___arch__swab16p(x)
	41	#define __arch__swab32p(x) ___arch__swab32p(x)
	42	#define __arch__swab64p(x) ___arch__swab64p(x)
	43
	44	#define __BYTEORDER_HAS_U64__
	45
	46	#endif /* __GNUC__ */
	47
	48	#include <linux/byteorder/big_endian.h>
	49
	50	#endif /* _SPARC64_BYTEORDER_H */