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 (1034B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _SPARC_SWAB_H
      3#define _SPARC_SWAB_H
      4
      5#include <linux/types.h>
      6#include <asm/asi.h>
      7
      8#if defined(__sparc__) && defined(__arch64__)
      9static inline __u16 __arch_swab16p(const __u16 *addr)
     10{
     11	__u16 ret;
     12
     13	__asm__ __volatile__ ("lduha [%2] %3, %0"
     14			      : "=r" (ret)
     15			      : "m" (*addr), "r" (addr), "i" (ASI_PL));
     16	return ret;
     17}
     18#define __arch_swab16p __arch_swab16p
     19
     20static inline __u32 __arch_swab32p(const __u32 *addr)
     21{
     22	__u32 ret;
     23
     24	__asm__ __volatile__ ("lduwa [%2] %3, %0"
     25			      : "=r" (ret)
     26			      : "m" (*addr), "r" (addr), "i" (ASI_PL));
     27	return ret;
     28}
     29#define __arch_swab32p __arch_swab32p
     30
     31static inline __u64 __arch_swab64p(const __u64 *addr)
     32{
     33	__u64 ret;
     34
     35	__asm__ __volatile__ ("ldxa [%2] %3, %0"
     36			      : "=r" (ret)
     37			      : "m" (*addr), "r" (addr), "i" (ASI_PL));
     38	return ret;
     39}
     40#define __arch_swab64p __arch_swab64p
     41
     42#else
     43#define __SWAB_64_THRU_32__
     44#endif /* defined(__sparc__) && defined(__arch64__) */
     45
     46#endif /* _SPARC_SWAB_H */