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49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
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/*
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* include/asm-v850/byteorder.h -- Endian id and conversion ops
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*
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* Copyright (C) 2001 NEC Corporation
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* Copyright (C) 2001 Miles Bader <miles@gnu.org>
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file COPYING in the main directory of this
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* archive for more details.
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*
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* Written by Miles Bader <miles@gnu.org>
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*/
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#ifndef __V850_BYTEORDER_H__
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#define __V850_BYTEORDER_H__
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#include <asm/types.h>
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#include <linux/compiler.h>
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#ifdef __GNUC__
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static __inline__ __attribute_const__ __u32 ___arch__swab32 (__u32 word)
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{
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__u32 res;
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__asm__ ("bsw %1, %0" : "=r" (res) : "r" (word));
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return res;
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}
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static __inline__ __attribute_const__ __u16 ___arch__swab16 (__u16 half_word)
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{
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__u16 res;
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__asm__ ("bsh %1, %0" : "=r" (res) : "r" (half_word));
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return res;
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}
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#define __arch__swab32(x) ___arch__swab32(x)
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#define __arch__swab16(x) ___arch__swab16(x)
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#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
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# define __BYTEORDER_HAS_U64__
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# define __SWAB_64_THRU_32__
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#endif
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#endif /* __GNUC__ */
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#include <linux/byteorder/little_endian.h>
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#endif /* __V850_BYTEORDER_H__ */
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