1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Copyright (C) 2012 Tobias Klauser <tklauser@distanz.ch>
4 * Copyright (C) 2011 Pyramid Technical Consultants, Inc.
5 *
6 * This file is subject to the terms and conditions of the GNU General
7 * Public License. See the file COPYING in the main directory of this
8 * archive for more details.
9 */
10
11#ifndef _ASM_NIOS2_SWAB_H
12#define _ASM_NIOS2_SWAB_H
13
14#include <linux/types.h>
15#include <asm-generic/swab.h>
16
17#ifdef CONFIG_NIOS2_CI_SWAB_SUPPORT
18#ifdef __GNUC__
19
20#define __nios2_swab(x)		\
21	__builtin_custom_ini(CONFIG_NIOS2_CI_SWAB_NO, (x))
22
23static inline __attribute__((const)) __u16 __arch_swab16(__u16 x)
24{
25	return (__u16) __nios2_swab(((__u32) x) << 16);
26}
27#define __arch_swab16 __arch_swab16
28
29static inline __attribute__((const)) __u32 __arch_swab32(__u32 x)
30{
31	return (__u32) __nios2_swab(x);
32}
33#define __arch_swab32 __arch_swab32
34
35#endif /* __GNUC__ */
36#endif /* CONFIG_NIOS2_CI_SWAB_SUPPORT */
37
38#endif /* _ASM_NIOS2_SWAB_H */
39