| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef __MIPS_ASM_BITREV_H__ |
| 3 | #define __MIPS_ASM_BITREV_H__ |
| 4 | |
| 5 | #include <linux/swab.h> |
| 6 | |
| 7 | static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x) |
| 8 | { |
| 9 | u32 ret; |
| 10 | |
| 11 | asm("bitswap %0, %1" : "=r"(ret) : "r"(__swab32(x))); |
| 12 | return ret; |
| 13 | } |
| 14 | |
| 15 | static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x) |
| 16 | { |
| 17 | u16 ret; |
| 18 | |
| 19 | asm("bitswap %0, %1" : "=r"(ret) : "r"(__swab16(x))); |
| 20 | return ret; |
| 21 | } |
| 22 | |
| 23 | static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x) |
| 24 | { |
| 25 | u8 ret; |
| 26 | |
| 27 | asm("bitswap %0, %1" : "=r"(ret) : "r"(x)); |
| 28 | return ret; |
| 29 | } |
| 30 | |
| 31 | #endif /* __MIPS_ASM_BITREV_H__ */ |