1 files changed, 354 insertions, 0 deletions

diff --git a/private/inc/vdm.h b/private/inc/vdm.h
new file mode 100644
index 000000000..713742bb0
--- /dev/null
+++ b/private/inc/vdm.h
@@ -0,0 +1,354 @@
+/*++
+
+Copyright (c) 1991  Microsoft Corporation
+
+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,
+} VDMSERVICECLASS, *PVDMSERVICECLASS;
+
+
+#if defined (_NTDEF_)
+
+NTSTATUS
+NtVdmControl(
+    IN VDMSERVICECLASS Service,
+    IN OUT PVOID ServiceData
+    );
+
+typedef struct _VdmQueryDirInfo {
+    HANDLE FileHandle;
+    PVOID FileInformation;
+    ULONG Length;
+    PUNICODE_STRING FileName;
+    ULONG FileIndex;
+} VDMQUERYDIRINFO, *PVDMQUERYDIRINFO;
+
+#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 */
+#if defined(_PC98_)
+#define  FIXED_NTVDMSTATE_SEGMENT   0x60
+#else  // !_PC98_
+#define  FIXED_NTVDMSTATE_SEGMENT   0x70
+#endif // _PC98_
+
+#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
+
+   // 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_32BIT_APP           0x00000100
+#define VDM_VIRTUAL_INTERRUPTS  0x00000200
+#define VDM_ON_MIPS             0x00000400
+#define VDM_EXEC                0x00000800
+#define VDM_RM                  0x00001000
+
+#define VDM_WOWBLOCKED          0x00100000
+#define VDM_IDLEACTIVITY        0x00200000
+#define VDM_TIMECHANGE          0x00400000
+#define VDM_WOWHUNGAPP          0x00800000
+
+#define VDM_PE_MASK             0x80000000
+
+/* XLATOFF */
+
+//
+// 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)
+/* XLATON */
+typedef struct _VdmPmStackInfo {        /* VDMTIB */
+    USHORT LockCount;
+    USHORT Flags;
+    USHORT SsSelector;
+    USHORT SaveSsSelector;
+    ULONG  SaveEsp;
+    ULONG  SaveEip;
+    ULONG  DosxIntIret;
+    ULONG  DosxIntIretD;
+    ULONG  DosxFaultIret;
+    ULONG  DosxFaultIretD;
+} VDM_PMSTACKINFO, *PVDM_PMSTACKINFO;
+/* XLATOFF */
+#pragma pack()
+
+
+#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;
+}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;
+
+#if defined (_NTDEF_)
+NTSTATUS
+NtVdmControl(
+    IN VDMSERVICECLASS Service,
+    IN OUT PVOID ServiceData
+    );
+
+//
+// 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
+
+
+typedef enum _VdmEventClass {
+    VdmIO,
+    VdmStringIO,
+    VdmMemAccess,
+    VdmIntAck,
+    VdmBop,
+    VdmError,
+    VdmIrq13,
+    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
+
+
+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;
+    VDM_INTERRUPTHANDLER VdmInterruptHandlers[256];
+    VDM_FAULTHANDLER VdmFaultHandlers[32];
+    CONTEXT MonitorContext;
+    CONTEXT VdmContext;
+    VDMEVENTINFO EventInfo;
+    VDM_PRINTER_INFO PrinterInfo;
+    ULONG TempArea1[2];                 // Scratch area
+    ULONG TempArea2[2];                 // Scratch aArea
+    VDM_PMSTACKINFO PmStackInfo;
+} VDM_TIB, *PVDM_TIB;
+
+#define EFLAGS_TF_MASK  0x00000100
+#define EFLAGS_NT_MASK  0x00004000
+
+//
+// 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