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 (451B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ASM_BITREV_H
      3#define __ASM_BITREV_H
      4
      5static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x)
      6{
      7	__asm__ ("rbit %0, %1" : "=r" (x) : "r" (x));
      8	return x;
      9}
     10
     11static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x)
     12{
     13	return __arch_bitrev32((u32)x) >> 16;
     14}
     15
     16static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x)
     17{
     18	return __arch_bitrev32((u32)x) >> 24;
     19}
     20
     21#endif