#ifndef _GPXE_ROTATE_H #define _GPXE_ROTATE_H /** @file * * Bit operations */ FILE_LICENCE ( GPL2_OR_LATER ); #include 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 */