9 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
13 static inline __attribute__ (( always_inline )) uint8_t
14 rol8 ( uint8_t data, unsigned int rotation ) {
15 return ( ( data << rotation ) | ( data >> ( 8 - rotation ) ) );
18 static inline __attribute__ (( always_inline )) uint8_t
19 ror8 ( uint8_t data, unsigned int rotation ) {
20 return ( ( data >> rotation ) | ( data << ( 8 - rotation ) ) );
23 static inline __attribute__ (( always_inline )) uint16_t
24 rol16 ( uint16_t data, unsigned int rotation ) {
25 return ( ( data << rotation ) | ( data >> ( 16 - rotation ) ) );
28 static inline __attribute__ (( always_inline )) uint16_t
29 ror16 ( uint16_t data, unsigned int rotation ) {
30 return ( ( data >> rotation ) | ( data << ( 16 - rotation ) ) );
33 static inline __attribute__ (( always_inline )) uint32_t
34 rol32 ( uint32_t data, unsigned int rotation ) {
35 return ( ( data << rotation ) | ( data >> ( 32 - rotation ) ) );
38 static inline __attribute__ (( always_inline )) uint32_t
39 ror32 ( uint32_t data, unsigned int rotation ) {
40 return ( ( data >> rotation ) | ( data << ( 32 - rotation ) ) );
43 static inline __attribute__ (( always_inline )) uint64_t
44 rol64 ( uint64_t data, unsigned int rotation ) {
45 return ( ( data << rotation ) | ( data >> ( 64 - rotation ) ) );
48 static inline __attribute__ (( always_inline )) uint64_t
49 ror64 ( uint64_t data, unsigned int rotation ) {
50 return ( ( data >> rotation ) | ( data << ( 64 - rotation ) ) );
53 #endif /* _IPXE_ROTATE_H */