LXR qemu/pc-bios/s390-ccw/bswap.h

   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
   9static inline uint16_t bswap16(uint16_t x)
  10{
  11    return ((x & 0x00ff) << 8) | ((x & 0xff00) >> 8);
  12}
  13
  14static 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
  20static 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}
  31