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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patchkey.h (965B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/*
      3 * <linux/patchkey.h> -- definition of _PATCHKEY macro
      4 *
      5 * Copyright (C) 2005 Stuart Brady
      6 *
      7 * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
      8 * clear whether removing this would break anything in userspace.
      9 *
     10 * Do not include this file directly.  Please use <sys/soundcard.h> instead.
     11 * For kernel code, use <linux/soundcard.h>
     12 */
     13
     14#ifndef _LINUX_PATCHKEY_H_INDIRECT
     15#error "patchkey.h included directly"
     16#endif
     17
     18#ifndef _UAPI_LINUX_PATCHKEY_H
     19#define _UAPI_LINUX_PATCHKEY_H
     20
     21/* Endian macros. */
     22#ifndef __KERNEL__
     23#  include <endian.h>
     24#endif
     25
     26#if !defined(__KERNEL__)
     27#if defined(__BYTE_ORDER)
     28#  if __BYTE_ORDER == __BIG_ENDIAN
     29#    define _PATCHKEY(id) (0xfd00|id)
     30#  elif __BYTE_ORDER == __LITTLE_ENDIAN
     31#    define _PATCHKEY(id) ((id<<8)|0x00fd)
     32#  else
     33#    error "could not determine byte order"
     34#  endif
     35#endif
     36#endif
     37
     38#endif /* _UAPI_LINUX_PATCHKEY_H */