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5cbd04ae36
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
42 lines
986 B
C
42 lines
986 B
C
/* MN10300 Byte-order primitive construction
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_SWAB_H
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#define _ASM_SWAB_H
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#include <asm/types.h>
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#ifdef __GNUC__
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static inline __attribute__((const))
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__u32 __arch_swab32(__u32 x)
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{
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__u32 ret;
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asm("swap %1,%0" : "=r" (ret) : "r" (x));
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return ret;
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}
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#define __arch_swab32 __arch_swab32
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static inline __attribute__((const))
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__u16 __arch_swab16(__u16 x)
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{
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__u16 ret;
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asm("swaph %1,%0" : "=r" (ret) : "r" (x));
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return ret;
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}
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#define __arch_swab32 __arch_swab32
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#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
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# define __SWAB_64_THRU_32__
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#endif
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#endif /* __GNUC__ */
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#endif /* _ASM_SWAB_H */
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