target/i386/hvf/x86_mmu.h

   1 /*
   2  * Copyright (C) 2016 Veertu Inc,
   3  * Copyright (C) 2017 Google Inc,
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18 #ifndef __X86_MMU_H__
  19 #define __X86_MMU_H__
  20
  21 #define PT_PRESENT      (1 << 0)
  22 #define PT_WRITE        (1 << 1)
  23 #define PT_USER         (1 << 2)
  24 #define PT_WT           (1 << 3)
  25 #define PT_CD           (1 << 4)
  26 #define PT_ACCESSED     (1 << 5)
  27 #define PT_DIRTY        (1 << 6)
  28 #define PT_PS           (1 << 7)
  29 #define PT_GLOBAL       (1 << 8)
  30 #define PT_NX           (1llu << 63)
  31
  32 /* error codes */
  33 #define MMU_PAGE_PT             (1 << 0)
  34 #define MMU_PAGE_WT             (1 << 1)
  35 #define MMU_PAGE_US             (1 << 2)
  36 #define MMU_PAGE_NX             (1 << 3)
  37
  38 bool mmu_gva_to_gpa(struct CPUState *cpu, target_ulong gva, uint64_t *gpa);
  39
  40 void vmx_write_mem(struct CPUState *cpu, target_ulong gva, void *data, int bytes);
  41 void vmx_read_mem(struct CPUState *cpu, void *data, target_ulong gva, int bytes);
  42
  43 #endif /* __X86_MMU_H__ */