| /* 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_ */ |