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| author | Kevin | 2014-11-15 11:48:36 +0800 |
|---|---|---|
| committer | Kevin | 2014-11-15 11:48:36 +0800 |
| commit | d04075478d378d9e15f3e1abfd14b0bd124077d4 (patch) | |
| tree | 733dd964582f388b9e3e367c249946cd32a2851f /include/asm-arm/byteorder.h | |
| download | FOSSEE-netbook-uboot-source-d04075478d378d9e15f3e1abfd14b0bd124077d4.tar.gz FOSSEE-netbook-uboot-source-d04075478d378d9e15f3e1abfd14b0bd124077d4.tar.bz2 FOSSEE-netbook-uboot-source-d04075478d378d9e15f3e1abfd14b0bd124077d4.zip | |
init commit via android 4.4 uboot
Diffstat (limited to 'include/asm-arm/byteorder.h')
| -rwxr-xr-x | include/asm-arm/byteorder.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-arm/byteorder.h b/include/asm-arm/byteorder.h new file mode 100755 index 0000000..c3489f1 --- /dev/null +++ b/include/asm-arm/byteorder.h @@ -0,0 +1,32 @@ +/* + * 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 |