23 lines · 640 B · C
RawDownload
/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ASM_GENERIC_BITOPS___BITREV_H_#define _ASM_GENERIC_BITOPS___BITREV_H_ #include <asm/types.h> extern u8 const byte_rev_table[256];static __always_inline __attribute_const__ u8 generic___bitrev8(u8 byte){	return byte_rev_table[byte];} static __always_inline __attribute_const__ u16 generic___bitrev16(u16 x){	return (generic___bitrev8(x & 0xff) << 8) | generic___bitrev8(x >> 8);} static __always_inline __attribute_const__ u32 generic___bitrev32(u32 x){	return (generic___bitrev16(x & 0xffff) << 16) | generic___bitrev16(x >> 16);} #endif /* _ASM_GENERIC_BITOPS___BITREV_H_ */