1819833afSPeter Tyser /* 2819833afSPeter Tyser * linux/include/asm-arm/byteorder.h 3819833afSPeter Tyser * 4819833afSPeter Tyser * ARM Endian-ness. In little endian mode, the data bus is connected such 5819833afSPeter Tyser * that byte accesses appear as: 6819833afSPeter Tyser * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 7819833afSPeter Tyser * and word accesses (data or instruction) appear as: 8819833afSPeter Tyser * d0...d31 9819833afSPeter Tyser * 10819833afSPeter Tyser * When in big endian mode, byte accesses appear as: 11819833afSPeter Tyser * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 12819833afSPeter Tyser * and word accesses (data or instruction) appear as: 13819833afSPeter Tyser * d0...d31 14819833afSPeter Tyser */ 15819833afSPeter Tyser #ifndef __ASM_ARM_BYTEORDER_H 16819833afSPeter Tyser #define __ASM_ARM_BYTEORDER_H 17819833afSPeter Tyser 18819833afSPeter Tyser 19819833afSPeter Tyser #include <asm/types.h> 20819833afSPeter Tyser 21819833afSPeter Tyser #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) 22819833afSPeter Tyser # define __BYTEORDER_HAS_U64__ 23819833afSPeter Tyser # define __SWAB_64_THRU_32__ 24819833afSPeter Tyser #endif 25819833afSPeter Tyser 26*795611e6STom Rini #if defined(__ARMEB__) || defined(__AARCH64EB__) 270ae76531SDavid Feng #include <linux/byteorder/big_endian.h> 280ae76531SDavid Feng #else 290ae76531SDavid Feng #include <linux/byteorder/little_endian.h> 300ae76531SDavid Feng #endif 310ae76531SDavid Feng 32819833afSPeter Tyser #endif 33