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kernel add
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/*
* Copyright (C) 2012 Tobias Klauser <tklauser@distanz.ch>
* Copyright (C) 2011 Pyramid Technical Consultants, Inc.
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*/
#ifndef _ASM_NIOS2_SWAB_H
#define _ASM_NIOS2_SWAB_H
#include <linux/types.h>
#include <asm-generic/swab.h>
#ifdef CONFIG_NIOS2_CI_SWAB_SUPPORT
#ifdef __GNUC__
#define __nios2_swab(x) \
__builtin_custom_ini(CONFIG_NIOS2_CI_SWAB_NO, (x))
static inline __attribute__((const)) __u16 __arch_swab16(__u16 x)
{
return (__u16) __nios2_swab(((__u32) x) << 16);
}
#define __arch_swab16 __arch_swab16
static inline __attribute__((const)) __u32 __arch_swab32(__u32 x)
{
return (__u32) __nios2_swab(x);
}
#define __arch_swab32 __arch_swab32
#endif /* __GNUC__ */
#endif /* CONFIG_NIOS2_CI_SWAB_SUPPORT */
#endif /* _ASM_NIOS2_SWAB_H */
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