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__ */
32
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.