| Harvey Harrison | 5cbd04a | 2009-01-06 14:56:34 -0800 | [diff] [blame] | 1 | /* MN10300 Byte-order primitive construction |
| 2 | * |
| 3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| 4 | * Written by David Howells (dhowells@redhat.com) |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public Licence |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the Licence, or (at your option) any later version. |
| 10 | */ |
| 11 | #ifndef _ASM_SWAB_H |
| 12 | #define _ASM_SWAB_H |
| 13 | |
| 14 | #include <asm/types.h> |
| 15 | |
| 16 | #ifdef __GNUC__ |
| 17 | |
| 18 | static inline __attribute__((const)) |
| 19 | __u32 __arch_swab32(__u32 x) |
| 20 | { |
| 21 | __u32 ret; |
| 22 | asm("swap %1,%0" : "=r" (ret) : "r" (x)); |
| 23 | return ret; |
| 24 | } |
| 25 | #define __arch_swab32 __arch_swab32 |
| 26 | |
| 27 | static inline __attribute__((const)) |
| 28 | __u16 __arch_swab16(__u16 x) |
| 29 | { |
| 30 | __u16 ret; |
| 31 | asm("swaph %1,%0" : "=r" (ret) : "r" (x)); |
| 32 | return ret; |
| 33 | } |
| 34 | #define __arch_swab32 __arch_swab32 |
| 35 | |
| 36 | #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) |
| 37 | # define __SWAB_64_THRU_32__ |
| 38 | #endif |
| 39 | |
| 40 | #endif /* __GNUC__ */ |
| 41 | |
| 42 | #endif /* _ASM_SWAB_H */ |