| /* MN10300 Byte-order primitive construction |
| * |
| * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| #ifndef _ASM_SWAB_H |
| #define _ASM_SWAB_H |
| |
| #include <linux/types.h> |
| |
| #ifdef __GNUC__ |
| |
| static inline __attribute__((const)) |
| __u32 __arch_swab32(__u32 x) |
| { |
| __u32 ret; |
| asm("swap %1,%0" : "=r" (ret) : "r" (x)); |
| return ret; |
| } |
| #define __arch_swab32 __arch_swab32 |
| |
| static inline __attribute__((const)) |
| __u16 __arch_swab16(__u16 x) |
| { |
| __u16 ret; |
| asm("swaph %1,%0" : "=r" (ret) : "r" (x)); |
| return ret; |
| } |
| #define __arch_swab32 __arch_swab32 |
| |
| #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) |
| # define __SWAB_64_THRU_32__ |
| #endif |
| |
| #endif /* __GNUC__ */ |
| |
| #endif /* _ASM_SWAB_H */ |
