mirror of
https://github.com/reactos/reactos.git
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195 lines
3.9 KiB
C
195 lines
3.9 KiB
C
/*
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* PROJECT: ReactOS Kernel
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: ntoskrnl/include/internal/vdm.h
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* PURPOSE: Internal header for V86 and VDM Support
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* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
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*/
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//
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// Define this if you want debugging support
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//
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#define _VM_DEBUG_ 0x00
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//
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// These define the Debug Masks Supported
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//
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#define VM_EXEC_DEBUG 0x01
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//
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// Debug/Tracing support
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//
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#if _VM_DEBUG_
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#ifdef NEW_DEBUG_SYSTEM_IMPLEMENTED // enable when Debug Filters are implemented
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#define VMTRACE DbgPrintEx
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#else
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#define VMTRACE(x, ...) \
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if (x & VdmpTraceLevel) DbgPrint(__VA_ARGS__)
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#endif
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#else
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#define VMTRACE(x, fmt, ...) DPRINT(fmt, ##__VA_ARGS__)
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#endif
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//
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// Memory addresses inside CSRSS for V86 Support
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//
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#define TRAMPOLINE_BASE 0x10000
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#define TRAMPOLINE_TIB 0x12000
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#define TRAMPOLINE_TEB 0x13000
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//
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// BOP (Magic Opcode) to exit V86 Mode
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//
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#define TRAMPOLINE_BOP 0xFEC4C4
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//
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// VDM State Pointer
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//
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#define VdmState \
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(PULONG)FIXED_NTVDMSTATE_LINEAR_PC_AT
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//
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// VDM Event Types
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//
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typedef enum _VdmEventClass
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{
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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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} VDMEVENTCLASS, *PVDMEVENTCLASS;
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//
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// VDM Interrupt and Fault Handler Definitions
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//
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typedef struct _Vdm_InterruptHandler
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{
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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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typedef struct _Vdm_FaultHandler
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{
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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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//
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// VDM Event Information
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//
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typedef struct _VdmEventInfo
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{
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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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{
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//VDMIOINFO IoInfo;
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//VDMSTRINGIOINFO StringIoInfo;
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ULONG BopNumber;
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//VDMFAULTINFO FaultInfo;
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LONG ErrorStatus;
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ULONG IntAckInfo;
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};
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} VDMEVENTINFO, *PVDMEVENTINFO;
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//
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// VDM Printer Information
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//
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typedef struct _Vdm_Printer_Info
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{
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PUCHAR prt_state;
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// TODO
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} VDM_PRINTER_INFO, *PVDM_PRINTER_INFO;
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//
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// VDM Trace Information
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//
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typedef struct _VdmTraceInfo
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{
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// TODO
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UCHAR Flags;
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// TODO
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} VDMTRACEINFO, *PVDMTRACEINFO;
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//
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// VDM Family Table
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//
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typedef struct _tagFAMILY_TABLE
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{
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INT numHookedAPIs;
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// TODO
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} FAMILY_TABLE, *PFAMILY_TABLE;
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//
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// Thread Information Block for VDM Threads
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//
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typedef struct _Vdm_Tib
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{
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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];
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ULONG TempArea2[2];
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VDMTRACEINFO TraceInfo;
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ULONG IntelMSW;
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LONG NumTasks;
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PFAMILY_TABLE *pDpmFamTbls;
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BOOLEAN ContinueExecution;
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} VDM_TIB, *PVDM_TIB;
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//
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// Process Information Block for VDM Processes
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//
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typedef struct _VDM_PROCESS_OBJECTS
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{
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PVOID VdmIoListHead; // PVDM_IO_LISTHEAD
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KAPC QueuedIntApc;
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KAPC QueuedIntUserApc;
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FAST_MUTEX DelayIntFastMutex;
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KSPIN_LOCK DelayIntSpinLock;
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LIST_ENTRY DelayIntListHead;
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PVOID pIcaUserData; // VDMICAUSERDATA
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PETHREAD MainThread;
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PVDM_TIB VdmTib;
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UCHAR PrinterState;
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UCHAR PrinterControl;
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UCHAR PrinterStatus;
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UCHAR PrinterHostState;
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USHORT AdlibStatus;
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USHORT AdlibIndexRegister;
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USHORT AdlibPhysPortStart;
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USHORT AdlibPhysPortEnd;
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USHORT AdlibVirtPortStart;
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USHORT AdlibVirtPortEnd;
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USHORT AdlibAction;
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USHORT VdmControl;
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ULONG PMCliTimeStamp;
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} VDM_PROCESS_OBJECTS, *PVDM_PROCESS_OBJECTS;
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//
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// Functions
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//
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NTSTATUS
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NTAPI
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VdmpStartExecution(
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VOID
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);
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//
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// Global data inside the VDM
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//
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