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Move __bswap64()

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Add copyright notice of FreeBSD "sys/powerpc/include/endian.h".  Change
license to BSD.
This commit is contained in:
Sebastian Huber
2012-04-18 17:14:02 +02:00
parent 89466ac76f
commit 2f52893f70
2 changed files with 37 additions and 20 deletions
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16
freebsd/sys/endian.h
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@@ -197,20 +197,4 @@ le64enc(void *pp, uint64_t u)
le32enc(p + 4, u >> 32);
}
/*
* In FreeBSD, this can be CPU specific but most targets use this
* implementation.
*
* This is from the powerpc implementation.
*/
static __inline uint64_t
__bswap64(uint64_t _x)
{
return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) |
((_x << 24) & ((__uint64_t)0xff << 40)) |
((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56)));
}
#endif /* _SYS_ENDIAN_HH_ */