1*819833afSPeter Tyser /* 2*819833afSPeter Tyser * linux/include/asm-arm/byteorder.h 3*819833afSPeter Tyser * 4*819833afSPeter Tyser * ARM Endian-ness. In little endian mode, the data bus is connected such 5*819833afSPeter Tyser * that byte accesses appear as: 6*819833afSPeter Tyser * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 7*819833afSPeter Tyser * and word accesses (data or instruction) appear as: 8*819833afSPeter Tyser * d0...d31 9*819833afSPeter Tyser * 10*819833afSPeter Tyser * When in big endian mode, byte accesses appear as: 11*819833afSPeter Tyser * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 12*819833afSPeter Tyser * and word accesses (data or instruction) appear as: 13*819833afSPeter Tyser * d0...d31 14*819833afSPeter Tyser */ 15*819833afSPeter Tyser #ifndef __ASM_ARM_BYTEORDER_H 16*819833afSPeter Tyser #define __ASM_ARM_BYTEORDER_H 17*819833afSPeter Tyser 18*819833afSPeter Tyser 19*819833afSPeter Tyser #include <asm/types.h> 20*819833afSPeter Tyser 21*819833afSPeter Tyser #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) 22*819833afSPeter Tyser # define __BYTEORDER_HAS_U64__ 23*819833afSPeter Tyser # define __SWAB_64_THRU_32__ 24*819833afSPeter Tyser #endif 25*819833afSPeter Tyser 26*819833afSPeter Tyser #ifdef __ARMEB__ 27*819833afSPeter Tyser #include <linux/byteorder/big_endian.h> 28*819833afSPeter Tyser #else 29*819833afSPeter Tyser #include <linux/byteorder/little_endian.h> 30*819833afSPeter Tyser #endif 31*819833afSPeter Tyser 32*819833afSPeter Tyser #endif 33