| 1 | /* |
| 2 | * Byte swap functions - taken from include/qemu/bswap.h |
| 3 | * |
| 4 | * This work is licensed under the terms of the GNU GPL, version 2 or (at |
| 5 | * your option) any later version. See the COPYING file in the top-level |
| 6 | * directory. |
| 7 | */ |
| 8 | |
| 9 | static inline uint16_t bswap16(uint16_t x) |
| 10 | { |
| 11 | return ((x & 0x00ff) << 8) | ((x & 0xff00) >> 8); |
| 12 | } |
| 13 | |
| 14 | static inline uint32_t bswap32(uint32_t x) |
| 15 | { |
| 16 | return ((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) | |
| 17 | ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24); |
| 18 | } |
| 19 | |
| 20 | static inline uint64_t bswap64(uint64_t x) |
| 21 | { |
| 22 | return ((x & 0x00000000000000ffULL) << 56) | |
| 23 | ((x & 0x000000000000ff00ULL) << 40) | |
| 24 | ((x & 0x0000000000ff0000ULL) << 24) | |
| 25 | ((x & 0x00000000ff000000ULL) << 8) | |
| 26 | ((x & 0x000000ff00000000ULL) >> 8) | |
| 27 | ((x & 0x0000ff0000000000ULL) >> 24) | |
| 28 | ((x & 0x00ff000000000000ULL) >> 40) | |
| 29 | ((x & 0xff00000000000000ULL) >> 56); |
| 30 | } |