xref: /openbmc/qemu/target/i386/hvf/x86_mmu.h (revision 69e0a03c3f28f5bd35f54a47cd4996cc14e135ba)

/*
 * Copyright (C) 2016 Veertu Inc,
 * Copyright (C) 2017 Google Inc,
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
#ifndef __X86_MMU_H__
#define __X86_MMU_H__

#include "x86_gen.h"

#define PT_PRESENT      (1 << 0)
#define PT_WRITE        (1 << 1)
#define PT_USER         (1 << 2)
#define PT_WT           (1 << 3)
#define PT_CD           (1 << 4)
#define PT_ACCESSED     (1 << 5)
#define PT_DIRTY        (1 << 6)
#define PT_PS           (1 << 7)
#define PT_GLOBAL       (1 << 8)
#define PT_NX           (1llu << 63)

/* error codes */
#define MMU_PAGE_PT             (1 << 0)
#define MMU_PAGE_WT             (1 << 1)
#define MMU_PAGE_US             (1 << 2)
#define MMU_PAGE_NX             (1 << 3)

bool mmu_gva_to_gpa(struct CPUState *cpu, addr_t gva, addr_t *gpa);

void vmx_write_mem(struct CPUState *cpu, addr_t gva, void *data, int bytes);
void vmx_read_mem(struct CPUState *cpu, void *data, addr_t gva, int bytes);

#endif /* __X86_MMU_H__ */