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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vdso.h (872B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2012 ARM Limited
      4 * Copyright (C) 2014 Regents of the University of California
      5 * Copyright (C) 2017 SiFive
      6 */
      7
      8#ifndef _ASM_RISCV_VDSO_H
      9#define _ASM_RISCV_VDSO_H
     10
     11/*
     12 * All systems with an MMU have a VDSO, but systems without an MMU don't
     13 * support shared libraries and therefor don't have one.
     14 */
     15#ifdef CONFIG_MMU
     16
     17#define __VVAR_PAGES    2
     18
     19#ifndef __ASSEMBLY__
     20#include <generated/vdso-offsets.h>
     21
     22#define VDSO_SYMBOL(base, name)							\
     23	(void __user *)((unsigned long)(base) + __vdso_##name##_offset)
     24
     25#ifdef CONFIG_COMPAT
     26#include <generated/compat_vdso-offsets.h>
     27
     28#define COMPAT_VDSO_SYMBOL(base, name)						\
     29	(void __user *)((unsigned long)(base) + compat__vdso_##name##_offset)
     30
     31#endif /* CONFIG_COMPAT */
     32
     33#endif /* !__ASSEMBLY__ */
     34
     35#endif /* CONFIG_MMU */
     36
     37#endif /* _ASM_RISCV_VDSO_H */