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4512426e9a
* import wimboot v28 * remove -Wno-array-bounds * addd * reg * cmline * charset * update bcd.bat * reg prefix * fix * bcd * rootfs * fsuuid * vdisk * partmap * biosdisk * efidisk * efi * fix * fix * fix reg * fix bcd * bcd * initrd * payload
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#ifndef _ROTATE_H
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#define _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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#include <stdint.h>
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static inline __attribute__ ((always_inline)) uint8_t
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rol8 (uint8_t data, unsigned int rotation)
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{
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return ((data << rotation) | (data >> (8 - rotation)));
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}
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static inline __attribute__ ((always_inline)) uint8_t
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ror8 (uint8_t data, unsigned int rotation)
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{
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return ((data >> rotation) | (data << (8 - rotation)));
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}
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static inline __attribute__ ((always_inline)) uint16_t
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rol16 (uint16_t data, unsigned int rotation)
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{
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return ((data << rotation) | (data >> (16 - rotation)));
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}
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static inline __attribute__ ((always_inline)) uint16_t
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ror16 (uint16_t data, unsigned int rotation)
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{
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return ((data >> rotation) | (data << (16 - rotation)));
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}
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static inline __attribute__ ((always_inline)) uint32_t
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rol32 (uint32_t data, unsigned int rotation)
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{
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return ((data << rotation) | (data >> (32 - rotation)));
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}
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static inline __attribute__ ((always_inline)) uint32_t
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ror32 (uint32_t data, unsigned int rotation)
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{
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return ((data >> rotation) | (data << (32 - rotation)));
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}
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static inline __attribute__ ((always_inline)) uint64_t
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rol64 (uint64_t data, unsigned int rotation)
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{
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return ((data << rotation) | (data >> (64 - rotation)));
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}
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static inline __attribute__ ((always_inline)) uint64_t
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ror64 (uint64_t data, unsigned int rotation)
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{
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return ((data >> rotation) | (data << (64 - rotation)));
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}
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#endif /* _ROTATE_H */
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