260 lines
6.6 KiB
C
260 lines
6.6 KiB
C
/************************************************************************
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* $Id: plex86.h,v 1.8 2009-02-09 10:35:55 vruppert Exp $
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************************************************************************
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*
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* plex86: run multiple x86 operating systems concurrently
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* Copyright (C) 1999-2003 Kevin P. Lawton
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __PLEX86_H__
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#define __PLEX86_H__
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#include "config.h"
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#include "descriptor.h"
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typedef struct {
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selector_t sel;
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descriptor_t des;
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unsigned valid;
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} __attribute__ ((packed)) guest_sreg_t;
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#define SRegES 0
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#define SRegCS 1
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#define SRegSS 2
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#define SRegDS 3
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#define SRegFS 4
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#define SRegGS 5
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typedef union {
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Bit32u raw;
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struct {
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Bit32u pe:1;
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Bit32u mp:1;
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Bit32u em:1;
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Bit32u ts:1;
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Bit32u et:1;
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Bit32u ne:1;
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Bit32u R15_6:10;
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Bit32u wp:1;
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Bit32u R17:1;
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Bit32u am:1;
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Bit32u R28_19:10;
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Bit32u nw:1;
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Bit32u cd:1;
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Bit32u pg:1;
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} __attribute__ ((packed)) fields;
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} __attribute__ ((packed)) cr0_t;
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typedef union {
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Bit32u raw;
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struct {
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Bit32u vme:1;
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Bit32u pvi:1;
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Bit32u tsd:1;
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Bit32u de:1;
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Bit32u pse:1;
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Bit32u pae:1;
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Bit32u mce:1;
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Bit32u pge:1;
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Bit32u pce:1;
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Bit32u reserved:23;
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} __attribute__ ((packed)) fields;
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} __attribute__ ((packed)) cr4_t;
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typedef struct {
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Bit32u vendorDWord0;
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Bit32u vendorDWord1;
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Bit32u vendorDWord2;
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union {
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Bit32u raw;
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struct {
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Bit32u stepping:4;
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Bit32u model:4;
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Bit32u family:4;
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Bit32u procType:2;
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Bit32u Reserved31_14:18;
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} __attribute__ ((packed)) fields;
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} __attribute__ ((packed)) procSignature;
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union {
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Bit32u raw;
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struct {
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Bit32u fpu:1;
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Bit32u vme:1;
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Bit32u de:1;
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Bit32u pse:1;
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Bit32u tsc:1;
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Bit32u msr:1;
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Bit32u pae:1;
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Bit32u mce:1;
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Bit32u cx8:1;
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Bit32u apic:1;
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Bit32u Reserved10:1;
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Bit32u sep:1;
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Bit32u mtrr:1;
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Bit32u pge:1;
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Bit32u mca:1;
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Bit32u cmov:1;
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Bit32u pat:1;
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Bit32u pse36:1;
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Bit32u Reserved22_18:5;
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Bit32u mmx:1;
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Bit32u fxsr:1;
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Bit32u Reserved31_25:7;
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} __attribute__ ((packed)) fields;
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} __attribute__ ((packed)) featureFlags;
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} __attribute__ ((packed)) cpuid_info_t;
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typedef struct {
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Bit32u edi;
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Bit32u esi;
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Bit32u ebp;
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Bit32u esp;
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Bit32u ebx;
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Bit32u edx;
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Bit32u ecx;
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Bit32u eax;
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Bit32u eflags;
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Bit32u eip;
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guest_sreg_t sreg[6];
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guest_sreg_t ldtr;
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guest_sreg_t tr;
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gdt_info_t gdtr;
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gdt_info_t idtr;
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Bit32u dr0, dr1, dr2, dr3, dr6, dr7;
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Bit32u tr3, tr4, tr5, tr6, tr7;
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cr0_t cr0;
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Bit32u cr1, cr2, cr3;
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cr4_t cr4;
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unsigned a20Enable;
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} __attribute__ ((packed)) guest_cpu_t;
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/*
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* ioctl() names.
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*/
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#if defined(__linux__) || defined(__NetBSD__) || defined(__NetBSD_kernel__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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#ifdef __linux__
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#include <asm/ioctl.h>
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#else
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#include <sys/ioccom.h>
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#endif
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#define PLEX86_RESET _IO('k', 3)
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#define PLEX86_TEARDOWN _IO('k', 4)
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#define PLEX86_EXECUTE _IO('k', 5)
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#define PLEX86_CPUID _IO('k', 6)
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#define PLEX86_REGISTER_MEMORY _IO('k', 7)
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#else
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#define PLEX86_RESET 0x6b03
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#define PLEX86_TEARDOWN 0x6b04
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#define PLEX86_EXECUTE 0x6b05
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#define PLEX86_CPUID 0x6b06
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#define PLEX86_REGISTER_MEMORY 0x6b07
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#endif
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/* Reasons why plex86 could not execute the guest context in the VM. */
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#define Plex86NoExecute_Method 1
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#define Plex86NoExecute_CR0 2
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#define Plex86NoExecute_CR4 3
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#define Plex86NoExecute_CS 4
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#define Plex86NoExecute_A20 5
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#define Plex86NoExecute_Selector 6
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#define Plex86NoExecute_DPL 7
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#define Plex86NoExecute_EFlags 8
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#define Plex86NoExecute_Panic 9
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#define Plex86NoExecute_VMState 10
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/* Requests that the VM monitor makes to host-kernel space or
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* host-user space.
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*/
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#define MonReqNone 0
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#define MonReqFlushPrintBuf 1
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#define MonReqRedirect 4 /* Only to host-kernel. */
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#define MonReqRemapMonitor 5
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#define MonReqGuestFault 6
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#define MonReqPinUserPage 7
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#define MonReqPanic 8
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#define VMStateFDOpened 0x001
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#define VMStateMemAllocated 0x002
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#define VMStateGuestCPUID 0x004
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#define VMStateRegisteredPhyMem 0x008
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#define VMStateRegisteredPrintBuffer 0x010
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#define VMStateRegisteredGuestCPU 0x020
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#define VMStateInitMonitor 0x040
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#define VMStateMapMonitor 0x080
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#define VMStatePanic 0x100
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/* State where the VM/monitor is ready to execute. */
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#define VMStateReady (VMStateFDOpened | \
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VMStateMemAllocated | \
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VMStateGuestCPUID | \
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VMStateRegisteredPhyMem | \
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VMStateRegisteredPrintBuffer | \
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VMStateRegisteredGuestCPU | \
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VMStateInitMonitor | \
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VMStateMapMonitor)
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/* State where all user-space memory constructs are registered with
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* the plex86 kernel module.
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*/
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#define VMStateRegisteredAll \
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(VMStateRegisteredPhyMem | \
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VMStateRegisteredPrintBuffer | \
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VMStateRegisteredGuestCPU)
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typedef struct {
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unsigned state;
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unsigned request;
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unsigned guestFaultNo;
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} plex86MonitorState_t;
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typedef struct {
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#define Plex86ExecuteMethodNative 10
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#define Plex86ExecuteMethodBreakpoint 11
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unsigned executeMethod;
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/* User space --> Monitor space. */
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Bit64u cyclesRequested;
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unsigned instructionsRequested;
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/* Monitor space --> User space. */
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Bit64u cyclesExecuted;
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unsigned instructionsExecuted;
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plex86MonitorState_t monitorState;
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} plex86IoctlExecute_t;
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typedef struct {
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unsigned nMegs;
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Bit32u guestPhyMemVector;
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Bit32u logBufferWindow;
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Bit32u guestCPUWindow;
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} plex86IoctlRegisterMem_t;
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#endif /* #ifndef __PLEX86_H__ */
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