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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
vdm.h
Abstract:
This include file defines the usermode visible portions of the vdm support
Author:
Revision History:
--*/
/* XLATOFF */
#ifndef _VDM_H_#define _VDM_H_
typedef enum _VdmServiceClass { VdmStartExecution, // is also defined in ntos\ke\i386\biosa.asm VdmQueueInterrupt, VdmDelayInterrupt, VdmInitialize, VdmFeatures, VdmSetInt21Handler, VdmQueryDir, VdmPrinterDirectIoOpen, VdmPrinterDirectIoClose, VdmPrinterInitialize, VdmSetLdtEntries, VdmSetProcessLdtInfo, VdmAdlibEmulation, VdmPMCliControl, VdmQueryVdmProcess} VDMSERVICECLASS, *PVDMSERVICECLASS;
#if defined (_NTDEF_)
NTSYSCALLAPINTSTATUSNtVdmControl( IN VDMSERVICECLASS Service, IN OUT PVOID ServiceData );
typedef struct _VdmQueryDirInfo { HANDLE FileHandle; PVOID FileInformation; ULONG Length; PUNICODE_STRING FileName; ULONG FileIndex;} VDMQUERYDIRINFO, *PVDMQUERYDIRINFO;
//// Definitions for VdmQueryVdmProcessData//
typedef struct _VDM_QUERY_VDM_PROCESS_DATA { HANDLE ProcessHandle; BOOLEAN IsVdmProcess;}VDM_QUERY_VDM_PROCESS_DATA, *PVDM_QUERY_VDM_PROCESS_DATA;
#endif
/* * The Vdm Virtual Ica * note: this structure definition is duplicated in * mvdm\softpc\base\inc\ica.c. KEEP IN SYNC * */typedef struct _VdmVirtualIca{ LONG ica_count[8]; /* Count of Irq pending not in irr */ LONG ica_int_line; /* Current pending interrupt */ LONG ica_cpu_int; /* The state of the INT line to the CPU */ USHORT ica_base; /* Interrupt base address for cpu */ USHORT ica_hipri; /* Line no. of highest priority line */ USHORT ica_mode; /* Various single-bit modes */ UCHAR ica_master; /* 1 = Master; 0 = Slave */ UCHAR ica_irr; /* Interrupt Request Register */ UCHAR ica_isr; /* In Service Register */ UCHAR ica_imr; /* Interrupt Mask Register */ UCHAR ica_ssr; /* Slave Select Register */} VDMVIRTUALICA, *PVDMVIRTUALICA;
//// copied from softpc\base\system\ica.c//#define ICA_AEOI 0x0020#define ICA_SMM 0x0200#define ICA_SFNM 0x0100
#if defined(i386)#define VDM_PM_IRETBOPSEG 0x147#define VDM_PM_IRETBOPOFF 0x6#define VDM_PM_IRETBOPSIZE 8#else#define VDM_PM_IRETBOPSEG 0xd3#define VDM_PM_IRETBOPOFF 0x0#define VDM_PM_IRETBOPSIZE 4#endif
#define VDM_RM_IRETBOPSIZE 4
// VDM state which was earlier in vdmtib->flags has been moved to// dos arena at following fixed address.#ifdef _VDMNTOS_
#define FIXED_NTVDMSTATE_LINEAR VdmFixedStateLinear#define FIXED_NTVDMSTATE_SIZE 4
#else // _VDMNTOS_
/* XLATON */#define FIXED_NTVDMSTATE_SEGMENT 0x70
#define FIXED_NTVDMSTATE_OFFSET 0x14#define FIXED_NTVDMSTATE_LINEAR ((FIXED_NTVDMSTATE_SEGMENT << 4) + FIXED_NTVDMSTATE_OFFSET)#define FIXED_NTVDMSTATE_SIZE 4/* XLATOFF */
#endif // _VDMNTOS_
#if defined (i386) // defined on x86 only since on mips we must reference thru sas#define pNtVDMState ((PULONG)FIXED_NTVDMSTATE_LINEAR)#endif
/* XLATON *///// Vdm State Flags//#define VDM_INT_HARDWARE 0x00000001#define VDM_INT_TIMER 0x00000002// defined as VDM_INTS_HOOKED_IN_PM in mvdm\inc\vint.h#define VDM_INT_HOOK_IN_PM 0x00000004
// A bitMask which includes all interrupts#define VDM_INTERRUPT_PENDING (VDM_INT_HARDWARE | VDM_INT_TIMER)
#define VDM_BREAK_EXCEPTIONS 0x00000008#define VDM_BREAK_DEBUGGER 0x00000010#define VDM_PROFILE 0x00000020#define VDM_ANALYZE_PROFILE 0x00000040#define VDM_TRACE_HISTORY 0x00000080
#define VDM_32BIT_APP 0x00000100#define VDM_VIRTUAL_INTERRUPTS 0x00000200#define VDM_ON_MIPS 0x00000400#define VDM_EXEC 0x00000800#define VDM_RM 0x00001000#define VDM_USE_DBG_VDMEVENT 0x00004000
#define VDM_WOWBLOCKED 0x00100000#define VDM_IDLEACTIVITY 0x00200000#define VDM_TIMECHANGE 0x00400000#define VDM_WOWHUNGAPP 0x00800000
#define VDM_HANDSHAKE 0x01000000
#define VDM_PE_MASK 0x80000000
/* XLATOFF */
#if DBG#define INITIAL_VDM_TIB_FLAGS (VDM_USE_DBG_VDMEVENT | VDM_BREAK_DEBUGGER | VDM_TRACE_HISTORY)#else#define INITIAL_VDM_TIB_FLAGS (VDM_USE_DBG_VDMEVENT | VDM_BREAK_DEBUGGER)#endif
//// bits defined in Eflags//#define EFLAGS_TF_MASK 0x00000100#define EFLAGS_IF_MASK 0x00000200#define EFLAGS_PL_MASK 0x00003000#define EFLAGS_NT_MASK 0x00004000#define EFLAGS_RF_MASK 0x00010000#define EFLAGS_VM_MASK 0x00020000#define EFLAGS_AC_MASK 0x00040000
//// If the size of the structure is changed, ke\i386\instemul.asm must// be modified too. If not, it will fail to build//#pragma pack(1)typedef struct _Vdm_InterruptHandler { USHORT CsSelector; USHORT Flags; ULONG Eip;} VDM_INTERRUPTHANDLER, *PVDM_INTERRUPTHANDLER;#pragma pack()
typedef struct _Vdm_FaultHandler { USHORT CsSelector; USHORT SsSelector; ULONG Eip; ULONG Esp; ULONG Flags;} VDM_FAULTHANDLER, *PVDM_FAULTHANDLER;
#pragma pack(1)typedef struct _VdmDpmiInfo { /* VDMTIB */ USHORT LockCount; USHORT Flags; USHORT SsSelector; USHORT SaveSsSelector; ULONG SaveEsp; ULONG SaveEip; ULONG DosxIntIret; ULONG DosxIntIretD; ULONG DosxFaultIret; ULONG DosxFaultIretD; ULONG DosxRmReflector;} VDM_DPMIINFO, *PVDM_DPMIINFO;#pragma pack()
//// Interrupt handler flags//
#define VDM_INT_INT_GATE 0x00000001#define VDM_INT_TRAP_GATE 0x00000000#define VDM_INT_32 0x00000002#define VDM_INT_16 0x00000000#define VDM_INT_HOOKED 0x00000004
#pragma pack(1)//// CAVEAT: This structure was designed to be exactly 64 bytes in size.// There is code that assumes that an array of these structures// will fit neatly into a 4096 byte page.//typedef struct _VdmTraceEntry { USHORT Type; USHORT wData; ULONG lData; ULONG Time; ULONG eax; ULONG ebx; ULONG ecx; ULONG edx; ULONG esi; ULONG edi; ULONG ebp; ULONG esp; ULONG eip; ULONG eflags; USHORT cs; USHORT ds; USHORT es; USHORT fs; USHORT gs; USHORT ss;} VDM_TRACEENTRY, *PVDM_TRACEENTRY;#pragma pack()
#pragma pack(1)typedef struct _VdmTraceInfo { PVDM_TRACEENTRY pTraceTable; UCHAR Flags; UCHAR NumPages; // size of trace buffer in 4k pages USHORT CurrentEntry; LARGE_INTEGER TimeStamp;} VDM_TRACEINFO, *PVDM_TRACEINFO;#pragma pack()
//// Definitions for flags in VDM_TRACEINFO//
#define VDMTI_TIMER_MODE 3#define VDMTI_TIMER_TICK 1#define VDMTI_TIMER_PERFCTR 2#define VDMTI_TIMER_STAT 3#define VDMTI_TIMER_PENTIUM 3
//// Kernel trace entry types//#define VDMTR_KERNEL_OP_PM 1#define VDMTR_KERNEL_OP_V86 2#define VDMTR_KERNEL_HW_INT 3
#if defined(i386)
typedef struct _VdmIcaUserData { PVOID pIcaLock; // rtl critical section PVDMVIRTUALICA pIcaMaster; PVDMVIRTUALICA pIcaSlave; PULONG pDelayIrq; PULONG pUndelayIrq; PULONG pDelayIret; PULONG pIretHooked; PULONG pAddrIretBopTable; PHANDLE phWowIdleEvent; PLARGE_INTEGER pIcaTimeout; PHANDLE phMainThreadSuspended;}VDMICAUSERDATA, *PVDMICAUSERDATA;
typedef struct _VdmDelayIntsServiceData { ULONG Delay; /* Delay Time in usecs */ ULONG DelayIrqLine; /* IRQ Number of ints delayed */ HANDLE hThread; /* Thread Handle of CurrentMonitorTeb */}VDMDELAYINTSDATA, *PVDMDELAYINTSDATA;
typedef struct _VDMSET_INT21_HANDLER_DATA { ULONG Selector; ULONG Offset; BOOLEAN Gate32;}VDMSET_INT21_HANDLER_DATA, *PVDMSET_INT21_HANDLER_DATA;
typedef struct _VDMSET_LDT_ENTRIES_DATA { ULONG Selector0; ULONG Entry0Low; ULONG Entry0Hi; ULONG Selector1; ULONG Entry1Low; ULONG Entry1Hi;}VDMSET_LDT_ENTRIES_DATA, *PVDMSET_LDT_ENTRIES_DATA;
typedef struct _VDMSET_PROCESS_LDT_INFO_DATA { PVOID LdtInformation; ULONG LdtInformationLength;}VDMSET_PROCESS_LDT_INFO_DATA, *PVDMSET_PROCESS_LDT_INFO_DATA;
//// Define the action code of VDM_ADLIB_DATA//
#define ADLIB_USER_EMULATION 0 // default action#define ADLIB_DIRECT_IO 1#define ADLIB_KERNEL_EMULATION 2
typedef struct _VDM_ADLIB_DATA { USHORT VirtualPortStart; USHORT VirtualPortEnd; USHORT PhysicalPortStart; USHORT PhysicalPortEnd; USHORT Action;}VDM_ADLIB_DATA, *PVDM_ADLIB_DATA;
//// Definitions for Protected Mode DOS apps cli control//
#define PM_CLI_CONTROL_DISABLE 0#define PM_CLI_CONTROL_ENABLE 1#define PM_CLI_CONTROL_CHECK 2#define PM_CLI_CONTROL_SET 3#define PM_CLI_CONTROL_CLEAR 4
typedef struct _VDM_PM_CLI_DATA { ULONG Control;}VDM_PM_CLI_DATA, *PVDM_PM_CLI_DATA;
//// Definitions for VdmInitialize//
typedef struct _VDM_INITIALIZE_DATA { PVOID TrapcHandler; PVDMICAUSERDATA IcaUserData;}VDM_INITIALIZE_DATA, *PVDM_INITIALIZE_DATA;
#if defined (_NTDEF_)typedef enum _VdmEventClass { VdmIO, VdmStringIO, VdmMemAccess, VdmIntAck, VdmBop, VdmError, VdmIrq13, VdmHandShakeAck, VdmMaxEvent} VDMEVENTCLASS, *PVDMEVENTCLASS;
// VdmPrinterInfo
#define VDM_NUMBER_OF_LPT 3
#define PRT_MODE_NO_SIMULATION 1#define PRT_MODE_SIMULATE_STATUS_PORT 2#define PRT_MODE_DIRECT_IO 3#define PRT_MODE_VDD_CONNECTED 4
#define PRT_DATA_BUFFER_SIZE 16
typedef struct _Vdm_Printer_Info { PUCHAR prt_State; PUCHAR prt_Control; PUCHAR prt_Status; PUCHAR prt_HostState; USHORT prt_PortAddr[VDM_NUMBER_OF_LPT]; HANDLE prt_Handle[VDM_NUMBER_OF_LPT]; UCHAR prt_Mode[VDM_NUMBER_OF_LPT]; USHORT prt_BytesInBuffer[VDM_NUMBER_OF_LPT]; UCHAR prt_Buffer[VDM_NUMBER_OF_LPT][PRT_DATA_BUFFER_SIZE]; ULONG prt_Scratch;} VDM_PRINTER_INFO, *PVDM_PRINTER_INFO;
typedef struct _VdmIoInfo { USHORT PortNumber; USHORT Size; BOOLEAN Read;} VDMIOINFO, *PVDMIOINFO;
typedef struct _VdmFaultInfo{ ULONG FaultAddr; ULONG RWMode;} VDMFAULTINFO, *PVDMFAULTINFO;
typedef struct _VdmStringIoInfo { USHORT PortNumber; USHORT Size; BOOLEAN Rep; BOOLEAN Read; ULONG Count; ULONG Address;} VDMSTRINGIOINFO, *PVDMSTRINGIOINFO;
typedef ULONG VDMBOPINFO;typedef NTSTATUS VDMERRORINFO;
typedef ULONG VDMINTACKINFO;#define VDMINTACK_RAEOIMASK 0x0000ffff#define VDMINTACK_SLAVE 0x00010000#define VDMINTACK_AEOI 0x00020000
// Family table definition for Dynamic Patch Module supporttypedef struct _tagFAMILY_TABLE { int numHookedAPIs; // number of hooked API's in this family PVOID hModShimEng; // hMod of shim engine PVOID hMod; // hMod of associated loaded dll. PVOID *DpmMisc; // ptr to DPM Module specific data PVOID *pDpmShmTbls; // array of ptrs to API family shim tables PVOID *pfn; // array of ptrs to hook functions} FAMILY_TABLE, *PFAMILY_TABLE;
typedef struct _VdmEventInfo { ULONG Size; VDMEVENTCLASS Event; ULONG InstructionSize; union { VDMIOINFO IoInfo; VDMSTRINGIOINFO StringIoInfo; VDMBOPINFO BopNumber; VDMFAULTINFO FaultInfo; VDMERRORINFO ErrorStatus; VDMINTACKINFO IntAckInfo; };} VDMEVENTINFO, *PVDMEVENTINFO;
// Sudeepb 12-Mar-1993// Scratch areas are used from VDMTib to get user space while// in kernel. This allows us to make Nt APIs (faster) from kernel// rather than Zw apis (slower). These are currently being used// for DOS read/write.
typedef struct _Vdm_Tib { ULONG Size; PVDM_INTERRUPTHANDLER VdmInterruptTable; PVDM_FAULTHANDLER VdmFaultTable; CONTEXT MonitorContext; CONTEXT VdmContext; VDMEVENTINFO EventInfo; VDM_PRINTER_INFO PrinterInfo; ULONG TempArea1[2]; // Scratch area ULONG TempArea2[2]; // Scratch aArea VDM_DPMIINFO DpmiInfo; VDM_TRACEINFO TraceInfo; ULONG IntelMSW; LONG NumTasks; PFAMILY_TABLE *pDpmFamTbls; // array of ptrs to API family tables BOOLEAN ContinueExecution;} VDM_TIB, *PVDM_TIB;
//// Feature flags returned by NtVdmControl(VdmFeatures...)//
// System/processor supports fast emulation for IF instructions#define V86_VIRTUAL_INT_EXTENSIONS 0x00000001 // in v86 mode#define PM_VIRTUAL_INT_EXTENSIONS 0x00000002 // in protected mode (non-flat)
#endif // if defined _NTDEF_#endif#endif
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