cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bitrev.h (608B)

      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
      7static __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
     15static __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
     23static __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__ */