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121 lines
2.3 KiB
121 lines
2.3 KiB
/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1989 Microsoft Corporation
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Module Name:
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v86emul.h
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Abstract:
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This module contains the V86 instruction emulator interface definitions
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used by kernel device drivers.
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Author:
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Andre Vachon (andreva) 8-Jan-1992
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Revision History:
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--*/
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#ifndef _V86EMUL_
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#define _V86EMUL_
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// begin_ntminiport begin_ntosp
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//
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// Structures used by the kernel drivers to describe which ports must be
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// hooked out directly from the V86 emulator to the driver.
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//
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typedef enum _EMULATOR_PORT_ACCESS_TYPE {
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Uchar,
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Ushort,
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Ulong
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} EMULATOR_PORT_ACCESS_TYPE, *PEMULATOR_PORT_ACCESS_TYPE;
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//
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// Access Modes
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//
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#define EMULATOR_READ_ACCESS 0x01
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#define EMULATOR_WRITE_ACCESS 0x02
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typedef struct _EMULATOR_ACCESS_ENTRY {
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ULONG BasePort;
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ULONG NumConsecutivePorts;
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EMULATOR_PORT_ACCESS_TYPE AccessType;
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UCHAR AccessMode;
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UCHAR StringSupport;
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PVOID Routine;
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} EMULATOR_ACCESS_ENTRY, *PEMULATOR_ACCESS_ENTRY;
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// end_ntminiport
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//
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// These are the various function prototypes of the routines that are
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// provided by the kernel driver to hook out access to io ports.
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//
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typedef
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NTSTATUS
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(*PDRIVER_IO_PORT_UCHAR ) (
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IN ULONG_PTR Context,
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IN ULONG Port,
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IN UCHAR AccessMode,
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IN OUT PUCHAR Data
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);
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typedef
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NTSTATUS
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(*PDRIVER_IO_PORT_UCHAR_STRING ) (
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IN ULONG_PTR Context,
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IN ULONG Port,
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IN UCHAR AccessMode,
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IN OUT PUCHAR Data,
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IN ULONG DataLength
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);
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typedef
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NTSTATUS
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(*PDRIVER_IO_PORT_USHORT ) (
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IN ULONG_PTR Context,
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IN ULONG Port,
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IN UCHAR AccessMode,
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IN OUT PUSHORT Data
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);
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typedef
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NTSTATUS
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(*PDRIVER_IO_PORT_USHORT_STRING ) (
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IN ULONG_PTR Context,
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IN ULONG Port,
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IN UCHAR AccessMode,
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IN OUT PUSHORT Data,
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IN ULONG DataLength // number of words
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);
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typedef
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NTSTATUS
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(*PDRIVER_IO_PORT_ULONG ) (
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IN ULONG_PTR Context,
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IN ULONG Port,
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IN UCHAR AccessMode,
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IN OUT PULONG Data
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);
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typedef
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NTSTATUS
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(*PDRIVER_IO_PORT_ULONG_STRING ) (
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IN ULONG_PTR Context,
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IN ULONG Port,
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IN UCHAR AccessMode,
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IN OUT PULONG Data,
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IN ULONG DataLength // number of dwords
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);
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// end_ntosp
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#endif // _V86EMUL_
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