88 lines
2 KiB
C
88 lines
2 KiB
C
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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biosp.h
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Abstract:
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PnP BIOS/ISA sepc related definitions
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Author:
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Shie-Lin Tzong (shielint) April 12, 1995
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Revision History:
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--*/
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//
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// Pnp BIOS device node structure
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//
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typedef struct _PNP_BIOS_DEVICE_NODE {
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USHORT Size;
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UCHAR Node;
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ULONG ProductId;
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UCHAR DeviceType[3];
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USHORT DeviceAttributes;
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// followed by AllocatedResourceBlock, PossibleResourceBlock
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// and CompatibleDeviceId
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} PNP_BIOS_DEVICE_NODE, far *FPPNP_BIOS_DEVICE_NODE;
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//
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// Pnp BIOS Installation check
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//
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typedef struct _PNP_BIOS_INSTALLATION_CHECK {
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UCHAR Signature[4]; // $PnP (ascii)
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UCHAR Revision;
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UCHAR Length;
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USHORT ControlField;
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UCHAR Checksum;
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ULONG EventFlagAddress; // Physical address
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USHORT RealModeEntryOffset;
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USHORT RealModeEntrySegment;
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USHORT ProtectedModeEntryOffset;
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ULONG ProtectedModeCodeBaseAddress;
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ULONG OemDeviceId;
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USHORT RealModeDataBaseAddress;
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ULONG ProtectedModeDataBaseAddress;
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} PNP_BIOS_INSTALLATION_CHECK, far *FPPNP_BIOS_INSTALLATION_CHECK;
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//
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// PnP BIOS ROM definitions
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//
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#define PNP_BIOS_START 0xF0000
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#define PNP_BIOS_END 0xFFFFF
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#define PNP_BIOS_HEADER_INCREMENT 16
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//
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// PnP BIOS API function codes
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//
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#define PNP_BIOS_GET_NUMBER_DEVICE_NODES 0
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#define PNP_BIOS_GET_DEVICE_NODE 1
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#define PNP_BIOS_SET_DEVICE_NODE 2
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#define PNP_BIOS_GET_EVENT 3
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#define PNP_BIOS_SEND_MESSAGE 4
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#define PNP_BIOS_GET_DOCK_INFORMATION 5
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// Function 6 is reserved.
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#define PNP_BIOS_SELECT_BOOT_DEVICE 7
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#define PNP_BIOS_GET_BOOT_DEVICE 8
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#define PNP_BIOS_SET_OLD_ISA_RESOURCES 9
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#define PNP_BIOS_GET_OLD_ISA_RESOURCES 0xA
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#define PNP_BIOS_GET_ISA_CONFIGURATION 0x40
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typedef USHORT ( far * ENTRY_POINT) (int Function, ...);
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//
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// Control Flags for Get_Device_Node
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//
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#define GET_CURRENT_CONFIGURATION 1
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#define GET_NEXT_BOOT_CONFIGURATION 2
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