73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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hdlsblk.h
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Abstract:
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This module contains the public header information (function prototypes,
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data and type declarations) for the Headless Loader Block information.
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Author:
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Sean Selitrennikoff (v-seans) Oct, 1999
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Revision History:
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--*/
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#ifndef _HDLSBLK_
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#define _HDLSBLK_
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//
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// Block for passing headless parameters from the loader to the kernel.
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//
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typedef struct _HEADLESS_LOADER_BLOCK {
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//
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// Where did the COM parameters come from.
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//
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BOOLEAN UsedBiosSettings;
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//
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// COM parameters.
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//
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UCHAR DataBits;
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UCHAR StopBits;
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BOOLEAN Parity;
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ULONG BaudRate;
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ULONG PortNumber;
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PUCHAR PortAddress;
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//
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// PCI device settings.
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//
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USHORT PciDeviceId;
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USHORT PciVendorId;
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UCHAR PciBusNumber;
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UCHAR PciSlotNumber;
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UCHAR PciFunctionNumber;
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ULONG PciFlags;
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GUID SystemGUID; // Machine's GUID.
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BOOLEAN IsMMIODevice; // Is the UART in SYSIO or MMIO space
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//
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UCHAR TerminalType; // What kind of terminal do we think
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// we're talking to?
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// 0 = VT100
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// 1 = VT100+
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// 2 = VT-UTF8
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// 3 = PC ANSI
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// 4-255 = reserved
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} HEADLESS_LOADER_BLOCK, *PHEADLESS_LOADER_BLOCK;
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#endif // _HDLSBLK_
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