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| author | wdenk <wdenk> | 2002-08-14 18:57:58 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2002-08-14 18:57:58 +0000 |
| commit | a33982a51b0c6f62ec1a71f3cb43cbfc22a4ffe9 (patch) | |
| tree | adb4f18be13b89890479e953733aac64b5875b76 /include/asm-arm/byteorder.h | |
| parent | 3ab675d30e9c8eca5dddc20a3a44fa9ff89f3f10 (diff) | |
| download | u-boot-imx-a33982a51b0c6f62ec1a71f3cb43cbfc22a4ffe9.zip u-boot-imx-a33982a51b0c6f62ec1a71f3cb43cbfc22a4ffe9.tar.gz u-boot-imx-a33982a51b0c6f62ec1a71f3cb43cbfc22a4ffe9.tar.bz2 | |
Initial revision
Diffstat (limited to 'include/asm-arm/byteorder.h')
| -rw-r--r-- | include/asm-arm/byteorder.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-arm/byteorder.h b/include/asm-arm/byteorder.h new file mode 100644 index 0000000..d648a19 --- /dev/null +++ b/include/asm-arm/byteorder.h @@ -0,0 +1,33 @@ +/* + * linux/include/asm-arm/byteorder.h + * + * ARM Endian-ness. In little endian mode, the data bus is connected such + * that byte accesses appear as: + * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 + * and word accesses (data or instruction) appear as: + * d0...d31 + * + * When in big endian mode, byte accesses appear as: + * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 + * and word accesses (data or instruction) appear as: + * d0...d31 + */ +#ifndef __ASM_ARM_BYTEORDER_H +#define __ASM_ARM_BYTEORDER_H + + +#include <asm/types.h> + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif + +#ifdef __ARMEB__ +#include <linux/byteorder/big_endian.h> +#else +#include <linux/byteorder/little_endian.h> +#endif + +#endif + |