blob: 0371c578b4e049f5aada0f1a810cee858fad9f3f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
#ifndef _GPXE_ROTATE_H
#define _GPXE_ROTATE_H
/** @file
*
* Bit operations
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
static inline uint32_t rol32 ( uint32_t data, unsigned int rotation ) {
return ( ( data << rotation ) | ( data >> ( 32 - rotation ) ) );
}
static inline uint32_t ror32 ( uint32_t data, unsigned int rotation ) {
return ( ( data >> rotation ) | ( data << ( 32 - rotation ) ) );
}
static inline uint64_t rol64 ( uint64_t data, unsigned int rotation ) {
return ( ( data << rotation ) | ( data >> ( 64 - rotation ) ) );
}
static inline uint64_t ror64 ( uint64_t data, unsigned int rotation ) {
return ( ( data >> rotation ) | ( data << ( 64 - rotation ) ) );
}
#endif /* _GPXE_ROTATE_H */
|
