Commit 5cbd04ae authored by Harvey Harrison's avatar Harvey Harrison Committed by Linus Torvalds
Browse files

mn10300: introduce asm/swab.h 



Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 91959476

include/asm-mn10300/Kbuild

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include include/asm-generic/Kbuild.asm

unifdef-y += swab.h

include/asm-mn10300/byteorder.h

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/* MN10300 Byte-order primitive construction

 *

 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.

 * Written by David Howells (dhowells@redhat.com)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public Licence

 * as published by the Free Software Foundation; either version

 * 2 of the Licence, or (at your option) any later version.

 */

#ifndef _ASM_BYTEORDER_H

#define _ASM_BYTEORDER_H



#include <asm/types.h>



#ifdef __GNUC__



static inline __attribute__((const))

__u32 ___arch__swab32(__u32 x)

{

	__u32 ret;

	asm("swap %1,%0" : "=r" (ret) : "r" (x));

	return ret;

}



static inline __attribute__((const))

__u16 ___arch__swab16(__u16 x)

{

	__u16 ret;

	asm("swaph %1,%0" : "=r" (ret) : "r" (x));

	return ret;

}



#define __arch__swab32(x) ___arch__swab32(x)

#define __arch__swab16(x) ___arch__swab16(x)



#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)

#  define __BYTEORDER_HAS_U64__

#  define __SWAB_64_THRU_32__

#endif



#endif /* __GNUC__ */



#include <asm/swab.h>

#include <linux/byteorder/little_endian.h>



#endif /* _ASM_BYTEORDER_H */

include/asm-mn10300/swab.h

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/* MN10300 Byte-order primitive construction

 *

 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.

 * Written by David Howells (dhowells@redhat.com)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public Licence

 * as published by the Free Software Foundation; either version

 * 2 of the Licence, or (at your option) any later version.

 */

#ifndef _ASM_SWAB_H

#define _ASM_SWAB_H



#include <asm/types.h>



#ifdef __GNUC__



static inline __attribute__((const))

__u32 __arch_swab32(__u32 x)

{

	__u32 ret;

	asm("swap %1,%0" : "=r" (ret) : "r" (x));

	return ret;

}

#define __arch_swab32 __arch_swab32



static inline __attribute__((const))

__u16 __arch_swab16(__u16 x)

{

	__u16 ret;

	asm("swaph %1,%0" : "=r" (ret) : "r" (x));

	return ret;

}

#define __arch_swab32 __arch_swab32



#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)

#  define __SWAB_64_THRU_32__

#endif



#endif /* __GNUC__ */



#endif /* _ASM_SWAB_H */