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Haavard Skinnemoen5f97f7f2006-09-25 23:32:13 -07001/*
2 * AVR32 endian-conversion functions.
3 */
4#ifndef __ASM_AVR32_BYTEORDER_H
5#define __ASM_AVR32_BYTEORDER_H
6
7#include <asm/types.h>
8#include <linux/compiler.h>
9
10#ifdef __CHECKER__
11extern unsigned long __builtin_bswap_32(unsigned long x);
12extern unsigned short __builtin_bswap_16(unsigned short x);
13#endif
14
Haavard Skinnemoenbafe6802008-03-10 12:56:12 +010015/*
16 * avr32-linux-gcc versions earlier than 4.2 improperly sign-extends
17 * the result.
18 */
19#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2)
Haavard Skinnemoen5f97f7f2006-09-25 23:32:13 -070020#define __arch__swab32(x) __builtin_bswap_32(x)
21#define __arch__swab16(x) __builtin_bswap_16(x)
Haavard Skinnemoenbafe6802008-03-10 12:56:12 +010022#endif
Haavard Skinnemoen5f97f7f2006-09-25 23:32:13 -070023
24#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
25# define __BYTEORDER_HAS_U64__
26# define __SWAB_64_THRU_32__
27#endif
28
29#include <linux/byteorder/big_endian.h>
30
31#endif /* __ASM_AVR32_BYTEORDER_H */