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#ifndef _IPXE_ROTATE_H
#define _IPXE_ROTATE_H
/** @file
*
* Bit operations
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdint.h>
static inline __attribute__ (( always_inline )) uint8_t
rol8 ( uint8_t data, unsigned int rotation ) {
return ( ( data << rotation ) | ( data >> ( 8 - rotation ) ) );
}
static inline __attribute__ (( always_inline )) uint8_t
ror8 ( uint8_t data, unsigned int rotation ) {
return ( ( data >> rotation ) | ( data << ( 8 - rotation ) ) );
}
static inline __attribute__ (( always_inline )) uint16_t
rol16 ( uint16_t data, unsigned int rotation ) {
return ( ( data << rotation ) | ( data >> ( 16 - rotation ) ) );
}
static inline __attribute__ (( always_inline )) uint16_t
ror16 ( uint16_t data, unsigned int rotation ) {
return ( ( data >> rotation ) | ( data << ( 16 - rotation ) ) );
}
static inline __attribute__ (( always_inline )) uint32_t
rol32 ( uint32_t data, unsigned int rotation ) {
return ( ( data << rotation ) | ( data >> ( 32 - rotation ) ) );
}
static inline __attribute__ (( always_inline )) uint32_t
ror32 ( uint32_t data, unsigned int rotation ) {
return ( ( data >> rotation ) | ( data << ( 32 - rotation ) ) );
}
static inline __attribute__ (( always_inline )) uint64_t
rol64 ( uint64_t data, unsigned int rotation ) {
return ( ( data << rotation ) | ( data >> ( 64 - rotation ) ) );
}
static inline __attribute__ (( always_inline )) uint64_t
ror64 ( uint64_t data, unsigned int rotation ) {
return ( ( data >> rotation ) | ( data << ( 64 - rotation ) ) );
}
#endif /* _IPXE_ROTATE_H */
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