38 lines
932 B
C
38 lines
932 B
C
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/*
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* Copyright (C) 2012 Tobias Klauser <tklauser@distanz.ch>
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* Copyright (C) 2011 Pyramid Technical Consultants, Inc.
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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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#ifndef _ASM_NIOS2_SWAB_H
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#define _ASM_NIOS2_SWAB_H
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#include <linux/types.h>
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#include <asm-generic/swab.h>
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#ifdef CONFIG_NIOS2_CI_SWAB_SUPPORT
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#ifdef __GNUC__
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#define __nios2_swab(x) \
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__builtin_custom_ini(CONFIG_NIOS2_CI_SWAB_NO, (x))
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static inline __attribute__((const)) __u16 __arch_swab16(__u16 x)
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{
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return (__u16) __nios2_swab(((__u32) x) << 16);
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}
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#define __arch_swab16 __arch_swab16
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static inline __attribute__((const)) __u32 __arch_swab32(__u32 x)
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{
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return (__u32) __nios2_swab(x);
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}
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#define __arch_swab32 __arch_swab32
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#endif /* __GNUC__ */
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#endif /* CONFIG_NIOS2_CI_SWAB_SUPPORT */
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#endif /* _ASM_NIOS2_SWAB_H */
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