LXR qemu/target/i386/hvf/x86

   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
  19#ifndef HVF_X86_DESCR_H
  20#define HVF_X86_DESCR_H
  21
  22#include "x86.h"
  23
  24typedef struct vmx_segment {
  25    uint16_t sel;
  26    uint64_t base;
  27    uint64_t limit;
  28    uint64_t ar;
  29} vmx_segment;
  30
  31/* deal with vmstate descriptors */
  32void vmx_read_segment_descriptor(struct CPUState *cpu,
  33                                 struct vmx_segment *desc, enum X86Seg seg);
  34void vmx_write_segment_descriptor(CPUState *cpu, struct vmx_segment *desc,
  35                                  enum X86Seg seg);
  36
  37x68_segment_selector vmx_read_segment_selector(struct CPUState *cpu,
  38                                               enum X86Seg seg);
  39void vmx_write_segment_selector(struct CPUState *cpu,
  40                                x68_segment_selector selector,
  41                                enum X86Seg seg);
  42
  43uint64_t vmx_read_segment_base(struct CPUState *cpu, enum X86Seg seg);
  44void vmx_write_segment_base(struct CPUState *cpu, enum X86Seg seg,
  45                            uint64_t base);
  46
  47void x86_segment_descriptor_to_vmx(struct CPUState *cpu,
  48                                   x68_segment_selector selector,
  49                                   struct x86_segment_descriptor *desc,
  50                                   struct vmx_segment *vmx_desc);
  51
  52uint32_t vmx_read_segment_limit(CPUState *cpu, enum X86Seg seg);
  53uint32_t vmx_read_segment_ar(CPUState *cpu, enum X86Seg seg);
  54void vmx_segment_to_x86_descriptor(struct CPUState *cpu,
  55                                   struct vmx_segment *vmx_desc,
  56                                   struct x86_segment_descriptor *desc);
  57
  58#endif
  59