reactos/ntoskrnl/include/internal/vdm.h

195 lines
3.9 KiB
C
Raw Normal View History

/*
* PROJECT: ReactOS Kernel
* LICENSE: GPL - See COPYING in the top level directory
* FILE: ntoskrnl/include/vdm.h
* PURPOSE: Internal header for V86 and VDM Support
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
*/
//
// Define this if you want debugging support
//
#define _VM_DEBUG_ 0x00
//
// These define the Debug Masks Supported
//
#define VM_EXEC_DEBUG 0x01
//
// Debug/Tracing support
//
#if _VM_DEBUG_
#ifdef NEW_DEBUG_SYSTEM_IMPLEMENTED // enable when Debug Filters are implemented
#define VMTRACE DbgPrintEx
#else
#define VMTRACE(x, ...) \
if (x & VdmpTraceLevel) DbgPrint(__VA_ARGS__)
#endif
#else
#define VMTRACE(x, ...) DPRINT(__VA_ARGS__)
#endif
//
// Memory addresses inside CSRSS for V86 Support
//
#define TRAMPOLINE_BASE 0x10000
#define TRAMPOLINE_TIB 0x12000
#define TRAMPOLINE_TEB 0x13000
//
// BOP (Magic Opcode) to exit V86 Mode
//
#define TRAMPOLINE_BOP 0xFEC4C4
//
// VDM State Pointer
//
#define VdmState \
(PULONG)FIXED_NTVDMSTATE_LINEAR_PC_AT
//
// VDM Event Types
//
typedef enum _VdmEventClass
{
VdmIO,
VdmStringIO,
VdmMemAccess,
VdmIntAck,
VdmBop,
VdmError,
VdmIrq13
} VDMEVENTCLASS, *PVDMEVENTCLASS;
//
// VDM Interrupt and Fault Handler Definitions
//
typedef struct _Vdm_InterruptHandler
{
USHORT CsSelector;
USHORT Flags;
ULONG Eip;
} VDM_INTERRUPTHANDLER, *PVDM_INTERRUPTHANDLER;
typedef struct _Vdm_FaultHandler
{
USHORT CsSelector;
USHORT SsSelector;
ULONG Eip;
ULONG Esp;
ULONG Flags;
} VDM_FAULTHANDLER, *PVDM_FAULTHANDLER;
//
// VDM Event Information
//
typedef struct _VdmEventInfo
{
ULONG Size;
VDMEVENTCLASS Event;
ULONG InstructionSize;
union
{
//VDMIOINFO IoInfo;
//VDMSTRINGIOINFO StringIoInfo;
ULONG BopNumber;
//VDMFAULTINFO FaultInfo;
LONG ErrorStatus;
ULONG IntAckInfo;
};
} VDMEVENTINFO, *PVDMEVENTINFO;
//
// VDM Printer Information
//
typedef struct _Vdm_Printer_Info
{
PUCHAR prt_state;
// TODO
} VDM_PRINTER_INFO, *PVDM_PRINTER_INFO;
//
// VDM Trace Information
//
typedef struct _VdmTraceInfo
{
// TODO
UCHAR Flags;
// TODO
} VDMTRACEINFO, *PVDMTRACEINFO;
//
// VDM Family Table
//
typedef struct _tagFAMILY_TABLE
{
INT numHookedAPIs;
// TODO
} FAMILY_TABLE, *PFAMILY_TABLE;
//
// Thread Information Block for VDM Threads
//
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];
ULONG TempArea2[2];
VDMTRACEINFO TraceInfo;
ULONG IntelMSW;
LONG NumTasks;
PFAMILY_TABLE *pDpmFamTbls;
BOOLEAN ContinueExecution;
} VDM_TIB, *PVDM_TIB;
//
// Process Information Block for VDM Processes
//
typedef struct _VDM_PROCESS_OBJECTS
{
PVOID VdmIoListHead; // PVDM_IO_LISTHEAD
KAPC QueuedIntApc;
KAPC QueuedIntUserApc;
FAST_MUTEX DelayIntFastMutex;
KSPIN_LOCK DelayIntSpinLock;
LIST_ENTRY DelayIntListHead;
PVOID pIcaUserData; // VDMICAUSERDATA
PETHREAD MainThread;
PVDM_TIB VdmTib;
UCHAR PrinterState;
UCHAR PrinterControl;
UCHAR PrinterStatus;
UCHAR PrinterHostState;
USHORT AdlibStatus;
USHORT AdlibIndexRegister;
USHORT AdlibPhysPortStart;
USHORT AdlibPhysPortEnd;
USHORT AdlibVirtPortStart;
USHORT AdlibVirtPortEnd;
USHORT AdlibAction;
USHORT VdmControl;
ULONG PMCliTimeStamp;
} VDM_PROCESS_OBJECTS, *PVDM_PROCESS_OBJECTS;
//
// Functions
//
NTSTATUS
NTAPI
VdmpStartExecution(
VOID
);
//
// Global data inside the VDM
//