xref: /openbmc/qemu/target/i386/hvf/x86_descr.h (revision 4f8f199fa569492bb07efee02489f521629d275d)
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 2.1 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  
24  typedef 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 */
32  void vmx_read_segment_descriptor(CPUState *cpu,
33                                   struct vmx_segment *desc, enum X86Seg seg);
34  void vmx_write_segment_descriptor(CPUState *cpu, struct vmx_segment *desc,
35                                    enum X86Seg seg);
36  
37  x68_segment_selector vmx_read_segment_selector(CPUState *cpu,
38                                                 enum X86Seg seg);
39  void vmx_write_segment_selector(CPUState *cpu,
40                                  x68_segment_selector selector,
41                                  enum X86Seg seg);
42  
43  uint64_t vmx_read_segment_base(CPUState *cpu, enum X86Seg seg);
44  void vmx_write_segment_base(CPUState *cpu, enum X86Seg seg,
45                              uint64_t base);
46  
47  void x86_segment_descriptor_to_vmx(CPUState *cpu,
48                                     x68_segment_selector selector,
49                                     struct x86_segment_descriptor *desc,
50                                     struct vmx_segment *vmx_desc);
51  
52  uint32_t vmx_read_segment_limit(CPUState *cpu, enum X86Seg seg);
53  uint32_t vmx_read_segment_ar(CPUState *cpu, enum X86Seg seg);
54  void vmx_segment_to_x86_descriptor(CPUState *cpu,
55                                     struct vmx_segment *vmx_desc,
56                                     struct x86_segment_descriptor *desc);
57  
58  #endif
59