| wdenk | a33982a | 2002-08-14 18:57:58 +0000 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm-arm/byteorder.h |
| 3 | * |
| 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: |
| 8 | * d0...d31 |
| 9 | * |
| 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: |
| 13 | * d0...d31 |
| 14 | */ |
| 15 | #ifndef __ASM_ARM_BYTEORDER_H |
| 16 | #define __ASM_ARM_BYTEORDER_H |
| 17 | |
| wdenk | a33982a | 2002-08-14 18:57:58 +0000 | [diff] [blame] | 18 | #include <asm/types.h> |
| 19 | |
| 20 | #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) |
| 21 | # define __BYTEORDER_HAS_U64__ |
| 22 | # define __SWAB_64_THRU_32__ |
| 23 | #endif |
| 24 | |
| Tom Rini | a016950 | 2014-01-09 15:11:27 -0500 | [diff] [blame] | 25 | #if defined(__ARMEB__) || defined(__AARCH64EB__) |
| David Feng | 85fd5f1 | 2013-12-14 11:47:35 +0800 | [diff] [blame] | 26 | #include <linux/byteorder/big_endian.h> |
| 27 | #else |
| 28 | #include <linux/byteorder/little_endian.h> |
| 29 | #endif |
| 30 | |
| wdenk | a33982a | 2002-08-14 18:57:58 +0000 | [diff] [blame] | 31 | #endif |