2 * linux/include/asm-arm/byteorder.h
4 * ARM Endian-ness. In little endian mode, the data bus is connected such
5 * that byte accesses appear as:
6 * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31
7 * and word accesses (data or instruction) appear as:
10 * When in big endian mode, byte accesses appear as:
11 * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7
12 * and word accesses (data or instruction) appear as:
15 #ifndef __ASM_ARM_BYTEORDER_H
16 #define __ASM_ARM_BYTEORDER_H
19 #include <asm/types.h>
21 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
22 # define __BYTEORDER_HAS_U64__
23 # define __SWAB_64_THRU_32__
26 #if defined(__ARMEB__) || defined(__AARCH64EB__)
27 #include <linux/byteorder/big_endian.h>
29 #include <linux/byteorder/little_endian.h>