1 #ifndef __MIPS_ASM_BITREV_H__ 2 #define __MIPS_ASM_BITREV_H__ 3 4 #include <linux/swab.h> 5 6 static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x) 7 { 8 u32 ret; 9 10 asm("bitswap %0, %1" : "=r"(ret) : "r"(__swab32(x))); 11 return ret; 12 } 13 14 static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x) 15 { 16 u16 ret; 17 18 asm("bitswap %0, %1" : "=r"(ret) : "r"(__swab16(x))); 19 return ret; 20 } 21 22 static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x) 23 { 24 u8 ret; 25 26 asm("bitswap %0, %1" : "=r"(ret) : "r"(x)); 27 return ret; 28 } 29 30 #endif /* __MIPS_ASM_BITREV_H__ */ 31