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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bswapdi.c (566B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/export.h>
      3#include <linux/compiler.h>
      4
      5unsigned long long notrace __bswapdi2(unsigned long long u)
      6{
      7	return (((u) & 0xff00000000000000ull) >> 56) |
      8	       (((u) & 0x00ff000000000000ull) >> 40) |
      9	       (((u) & 0x0000ff0000000000ull) >> 24) |
     10	       (((u) & 0x000000ff00000000ull) >>  8) |
     11	       (((u) & 0x00000000ff000000ull) <<  8) |
     12	       (((u) & 0x0000000000ff0000ull) << 24) |
     13	       (((u) & 0x000000000000ff00ull) << 40) |
     14	       (((u) & 0x00000000000000ffull) << 56);
     15}
     16
     17EXPORT_SYMBOL(__bswapdi2);