target/i386/hvf/x86_descr.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 2.1 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(struct 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(struct CPUState *cpu,
  38                                                enum X86Seg seg);
  39 void vmx_write_segment_selector(struct CPUState *cpu,
  40                                 x68_segment_selector selector,
  41                                 enum X86Seg seg);
  42
  43 uint64_t vmx_read_segment_base(struct CPUState *cpu, enum X86Seg seg);
  44 void vmx_write_segment_base(struct CPUState *cpu, enum X86Seg seg,
  45                             uint64_t base);
  46
  47 void 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
  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(struct CPUState *cpu,
  55                                    struct vmx_segment *vmx_desc,
  56                                    struct x86_segment_descriptor *desc);
  57
  58 #endif