97da0d62d4
This patch introduces a few nios2-specific header files. Signed-off-by: Ley Foon Tan <lftan@altera.com>
37 lines
932 B
C
37 lines
932 B
C
/*
|
|
* 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 */
|