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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swab.h (665B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _M68K_SWAB_H
      3#define _M68K_SWAB_H
      4
      5#include <linux/types.h>
      6#include <linux/compiler.h>
      7
      8#define __SWAB_64_THRU_32__
      9
     10#if defined (__mcfisaaplus__) || defined (__mcfisac__)
     11static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
     12{
     13	__asm__("byterev %0" : "=d" (val) : "0" (val));
     14	return val;
     15}
     16
     17#define __arch_swab32 __arch_swab32
     18#elif !defined(__mcoldfire__)
     19
     20static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
     21{
     22	__asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
     23	return val;
     24}
     25#define __arch_swab32 __arch_swab32
     26#endif
     27
     28#endif /* _M68K_SWAB_H */