xref: /linux/arch/arm/include/uapi/asm/byteorder.h (revision 23c48a124b469cee2eb0c75e6d22d366d1caa118)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3  *  arch/arm/include/asm/byteorder.h
4  *
5  * ARM Endian-ness.  In little endian mode, the data bus is connected such
6  * that byte accesses appear as:
7  *  0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31
8  * and word accesses (data or instruction) appear as:
9  *  d0...d31
10  *
11  * When in big endian mode, byte accesses appear as:
12  *  0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7
13  * and word accesses (data or instruction) appear as:
14  *  d0...d31
15  */
16 #ifndef __ASM_ARM_BYTEORDER_H
17 #define __ASM_ARM_BYTEORDER_H
18 
19 #ifdef __ARMEB__
20 #include <linux/byteorder/big_endian.h>
21 #else
22 #include <linux/byteorder/little_endian.h>
23 #endif
24 
25 #endif
26 
27