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