1 files changed, 129 insertions, 0 deletions
diff --git a/private/ntos/nthals/x86new/xm86.h b/private/ntos/nthals/x86new/xm86.h
new file mode 100644
index 000000000..f0e994d88
--- /dev/null
+++ b/private/ntos/nthals/x86new/xm86.h
@@ -0,0 +1,129 @@
+/*++ BUILD Version: 0000    // Increment this if a change has global effects
+
+Copyright (c) 1994  Microsoft Corporation
+
+Module Name:
+
+    xm86.h
+
+Abstract:
+
+    This module contains the public header file that describes the
+    interfaces to the 386/486 real mode emulator.
+
+Author:
+
+    David N. Cutler (davec) 13-Nov-1994
+
+Revision History:
+
+--*/
+
+#ifndef _XM86_
+#define _XM86_
+
+//
+// Define internal error codes.
+//
+
+typedef enum _XM_STATUS {
+    XM_SUCCESS = 1,
+    XM_DIVIDE_BY_ZERO,
+    XM_DIVIDE_QUOTIENT_OVERFLOW,
+    XM_EMULATOR_NOT_INITIALIZED,
+    XM_HALT_INSTRUCTION,
+    XM_ILLEGAL_CODE_SEGMENT,
+    XM_ILLEGAL_INDEX_SPECIFIER,
+    XM_ILLEGAL_LEVEL_NUMBER,
+    XM_ILLEGAL_PORT_NUMBER,
+    XM_ILLEGAL_GENERAL_SPECIFIER,
+    XM_ILLEGAL_REGISTER_SPECIFIER,
+    XM_ILLEGAL_INSTRUCTION_OPCODE,
+    XM_INDEX_OUT_OF_BOUNDS,
+    XM_SEGMENT_LIMIT_VIOLATION,
+    XM_STACK_OVERFLOW,
+    XM_STACK_UNDERFLOW,
+    XM_MAXIMUM_INTERNAL_CODE
+} XM_STATUS;
+
+//
+// Define operand data types.
+//
+
+typedef enum _XM_OPERATION_DATATYPE {
+    BYTE_DATA = 0,
+    WORD_DATA = 1,
+    LONG_DATA = 3
+} XM_OPERATION_DATATYPE;
+
+//
+// Define emulator context structure.
+//
+
+typedef struct _XM86_CONTEXT {
+    ULONG Eax;
+    ULONG Ecx;
+    ULONG Edx;
+    ULONG Ebx;
+    ULONG Ebp;
+    ULONG Esi;
+    ULONG Edi;
+} XM86_CONTEXT, *PXM86_CONTEXT;
+
+//
+// Define address translation callback function type.
+//
+
+typedef
+PVOID
+(*PXM_TRANSLATE_ADDRESS) (
+    IN USHORT Segment,
+    IN USHORT Offset
+    );
+
+//
+// Define read and write I/O space callback function types.
+//
+
+typedef
+ULONG
+(*PXM_READ_IO_SPACE) (
+    IN XM_OPERATION_DATATYPE DataType,
+    IN USHORT PortNumber
+    );
+
+typedef
+VOID
+(*PXM_WRITE_IO_SPACE) (
+    IN XM_OPERATION_DATATYPE DataType,
+    IN USHORT PortNumber,
+    IN ULONG Value
+    );
+
+//
+// Define emulator public interface function prototypes.
+//
+
+XM_STATUS
+XmEmulateFarCall (
+    IN USHORT Segment,
+    IN USHORT Offset,
+    IN OUT PXM86_CONTEXT Context
+    );
+
+XM_STATUS
+XmEmulateInterrupt (
+    IN UCHAR Interrupt,
+    IN OUT PXM86_CONTEXT Context
+    );
+
+VOID
+XmInitializeEmulator (
+    IN USHORT StackSegment,
+    IN USHORT StackOffset,
+    IN PXM_READ_IO_SPACE ReadIoSpace,
+    IN PXM_WRITE_IO_SPACE WriteIoSpace,
+    IN PXM_TRANSLATE_ADDRESS TranslateAddress
+    );
+
+#endif // _XM86_