| /* 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_BYTEORDER_H | |
| #define _ASM_BYTEORDER_H | |
| #include <asm/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; | |
| } | |
| static inline __attribute__((const)) | |
| __u16 ___arch__swab16(__u16 x) | |
| { | |
| __u16 ret; | |
| asm("swaph %1,%0" : "=r" (ret) : "r" (x)); | |
| return ret; | |
| } | |
| #define __arch__swab32(x) ___arch__swab32(x) | |
| #define __arch__swab16(x) ___arch__swab16(x) | |
| #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) | |
| # define __BYTEORDER_HAS_U64__ | |
| # define __SWAB_64_THRU_32__ | |
| #endif | |
| #endif /* __GNUC__ */ | |
| #include <linux/byteorder/little_endian.h> | |
| #endif /* _ASM_BYTEORDER_H */ |