31 lines
950 B
C
31 lines
950 B
C
|
/*
|
||
|
|
* Byte swap functions - taken from include/qemu/bswap.h
|
||
|
|
*
|
||
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
||
|
|
* your option) any later version. See the COPYING file in the top-level
|
||
|
|
* directory.
|
||
|
|
*/
|
||
|
|
|
||
|
|
static inline uint16_t bswap16(uint16_t x)
|
||
|
|
{
|
||
|
|
return ((x & 0x00ff) << 8) | ((x & 0xff00) >> 8);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline uint32_t bswap32(uint32_t x)
|
||
|
|
{
|
||
|
|
return ((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) |
|
||
|
|
((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline uint64_t bswap64(uint64_t x)
|
||
|
|
{
|
||
|
|
return ((x & 0x00000000000000ffULL) << 56) |
|
||
|
|
((x & 0x000000000000ff00ULL) << 40) |
|
||
|
|
((x & 0x0000000000ff0000ULL) << 24) |
|
||
|
|
((x & 0x00000000ff000000ULL) << 8) |
|
||
|
|
((x & 0x000000ff00000000ULL) >> 8) |
|
||
|
|
((x & 0x0000ff0000000000ULL) >> 24) |
|
||
|
|
((x & 0x00ff000000000000ULL) >> 40) |
|
||
|
|
((x & 0xff00000000000000ULL) >> 56);
|
||
|
|
}
|