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https://github.com/xcat2/xNBA.git
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Michael Brown
c44a193d0d
Add FILE_LICENCE declarations to almost all files that make up the various standard builds of gPXE.
30 lines
757 B
C
30 lines
757 B
C
#ifndef _GPXE_ROTATE_H
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#define _GPXE_ROTATE_H
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/** @file
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*
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* Bit operations
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <stdint.h>
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static inline uint32_t rol32 ( uint32_t data, unsigned int rotation ) {
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return ( ( data << rotation ) | ( data >> ( 32 - rotation ) ) );
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}
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static inline uint32_t ror32 ( uint32_t data, unsigned int rotation ) {
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return ( ( data >> rotation ) | ( data << ( 32 - rotation ) ) );
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}
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static inline uint64_t rol64 ( uint64_t data, unsigned int rotation ) {
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return ( ( data << rotation ) | ( data >> ( 64 - rotation ) ) );
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}
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static inline uint64_t ror64 ( uint64_t data, unsigned int rotation ) {
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return ( ( data >> rotation ) | ( data << ( 64 - rotation ) ) );
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}
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#endif /* _GPXE_ROTATE_H */
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