cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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mman.h (1002B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _ASM_X86_MMAN_H
      3#define _ASM_X86_MMAN_H
      4
      5#define MAP_32BIT	0x40		/* only give out 32bit addresses */
      6
      7#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
      8/*
      9 * Take the 4 protection key bits out of the vma->vm_flags
     10 * value and turn them in to the bits that we can put in
     11 * to a pte.
     12 *
     13 * Only override these if Protection Keys are available
     14 * (which is only on 64-bit).
     15 */
     16#define arch_vm_get_page_prot(vm_flags)	__pgprot(	\
     17		((vm_flags) & VM_PKEY_BIT0 ? _PAGE_PKEY_BIT0 : 0) |	\
     18		((vm_flags) & VM_PKEY_BIT1 ? _PAGE_PKEY_BIT1 : 0) |	\
     19		((vm_flags) & VM_PKEY_BIT2 ? _PAGE_PKEY_BIT2 : 0) |	\
     20		((vm_flags) & VM_PKEY_BIT3 ? _PAGE_PKEY_BIT3 : 0))
     21
     22#define arch_calc_vm_prot_bits(prot, key) (		\
     23		((key) & 0x1 ? VM_PKEY_BIT0 : 0) |      \
     24		((key) & 0x2 ? VM_PKEY_BIT1 : 0) |      \
     25		((key) & 0x4 ? VM_PKEY_BIT2 : 0) |      \
     26		((key) & 0x8 ? VM_PKEY_BIT3 : 0))
     27#endif
     28
     29#include <asm-generic/mman.h>
     30
     31#endif /* _ASM_X86_MMAN_H */