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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
5cbd04ae HH |
2 | /* MN10300 Byte-order primitive construction |
3 | * | |
4 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
5 | * Written by David Howells (dhowells@redhat.com) | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public Licence | |
9 | * as published by the Free Software Foundation; either version | |
10 | * 2 of the Licence, or (at your option) any later version. | |
11 | */ | |
12 | #ifndef _ASM_SWAB_H | |
13 | #define _ASM_SWAB_H | |
14 | ||
bef53ca0 | 15 | #include <linux/types.h> |
5cbd04ae HH |
16 | |
17 | #ifdef __GNUC__ | |
18 | ||
19 | static inline __attribute__((const)) | |
20 | __u32 __arch_swab32(__u32 x) | |
21 | { | |
22 | __u32 ret; | |
23 | asm("swap %1,%0" : "=r" (ret) : "r" (x)); | |
24 | return ret; | |
25 | } | |
26 | #define __arch_swab32 __arch_swab32 | |
27 | ||
28 | static inline __attribute__((const)) | |
29 | __u16 __arch_swab16(__u16 x) | |
30 | { | |
31 | __u16 ret; | |
32 | asm("swaph %1,%0" : "=r" (ret) : "r" (x)); | |
33 | return ret; | |
34 | } | |
35 | #define __arch_swab32 __arch_swab32 | |
36 | ||
37 | #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) | |
38 | # define __SWAB_64_THRU_32__ | |
39 | #endif | |
40 | ||
41 | #endif /* __GNUC__ */ | |
42 | ||
43 | #endif /* _ASM_SWAB_H */ |