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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:16 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:16 +0100 |
| commit | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (patch) | |
| tree | 3d053e76542ad4d20bd83ad35c13eabff97003ab /arch/avr32/include/asm/byteorder.h | |
| parent | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (diff) | |
| parent | 3663b736a5083b3bce74520b637f630f01f66a7f (diff) | |
| download | linux-a1b81a84fff05dbfef45b7012c26e1fee9973e5d.tar.bz2 | |
Merge branch 'header-move' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Diffstat (limited to 'arch/avr32/include/asm/byteorder.h')
| -rw-r--r-- | arch/avr32/include/asm/byteorder.h | 31 |
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 @@ +/* + * AVR32 endian-conversion functions. + */ +#ifndef __ASM_AVR32_BYTEORDER_H +#define __ASM_AVR32_BYTEORDER_H + +#include <asm/types.h> +#include <linux/compiler.h> + +#ifdef __CHECKER__ +extern unsigned long __builtin_bswap_32(unsigned long x); +extern unsigned short __builtin_bswap_16(unsigned short x); +#endif + +/* + * avr32-linux-gcc versions earlier than 4.2 improperly sign-extends + * the result. + */ +#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2) +#define __arch__swab32(x) __builtin_bswap_32(x) +#define __arch__swab16(x) __builtin_bswap_16(x) +#endif + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif + +#include <linux/byteorder/big_endian.h> + +#endif /* __ASM_AVR32_BYTEORDER_H */ |