| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef __ASM_BITREV_H | |
| #define __ASM_BITREV_H | |
| static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x) | |
| { | |
| __asm__ ("rbit %0, %1" : "=r" (x) : "r" (x)); | |
| return x; | |
| } | |
| static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x) | |
| { | |
| return __arch_bitrev32((u32)x) >> 16; | |
| } | |
| static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x) | |
| { | |
| return __arch_bitrev32((u32)x) >> 24; | |
| } | |
| #endif |