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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-08-05 07:35:07 -0400
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-08-05 07:35:07 -0400
commit84db8d7cdb072866f5a6c6ac2c9a74c5c48dd22f (patch)
tree7f10cc33bca606abd1547ae90d90362134a35332 /arch/avr32/include/asm/byteorder.h
parent2b12a4c524812fb3f6ee590a02e65b95c8c32229 (diff)
avr32: Move include/asm-avr32 to arch/avr32/include/asm
Leaving include/asm/arch alone for now. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Diffstat (limited to 'arch/avr32/include/asm/byteorder.h')
-rw-r--r--arch/avr32/include/asm/byteorder.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/byteorder.h b/arch/avr32/include/asm/byteorder.h
new file mode 100644
index 000000000000..d77b48ba7338
--- /dev/null
+++ b/arch/avr32/include/asm/byteorder.h
@@ -0,0 +1,31 @@
1/*
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
15/*
16 * avr32-linux-gcc versions earlier than 4.2 improperly sign-extends
17 * the result.
18 */
19#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2)
20#define __arch__swab32(x) __builtin_bswap_32(x)
21#define __arch__swab16(x) __builtin_bswap_16(x)
22#endif
23
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 */