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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wbflush.h (694B)


      1/*
      2 * Header file for using the wbflush routine
      3 *
      4 * This file is subject to the terms and conditions of the GNU General Public
      5 * License.  See the file "COPYING" in the main directory of this archive
      6 * for more details.
      7 *
      8 * Copyright (c) 1998 Harald Koerfgen
      9 * Copyright (C) 2002 Maciej W. Rozycki
     10 */
     11#ifndef _ASM_WBFLUSH_H
     12#define _ASM_WBFLUSH_H
     13
     14
     15#ifdef CONFIG_CPU_HAS_WB
     16
     17extern void (*__wbflush)(void);
     18extern void wbflush_setup(void);
     19
     20#define wbflush()			\
     21	do {				\
     22		__sync();		\
     23		__wbflush();		\
     24	} while (0)
     25
     26#else /* !CONFIG_CPU_HAS_WB */
     27
     28#define wbflush_setup() do { } while (0)
     29
     30#define wbflush() fast_iob()
     31
     32#endif /* !CONFIG_CPU_HAS_WB */
     33
     34#endif /* _ASM_WBFLUSH_H */