projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 97da0d62 LFT |
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 | ||
| 23 | static 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 | ||
| 29 | static 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 */ |