66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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acpibios.h
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Abstract:
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ACPI BIOS spec related definitions
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Author:
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Jake Oshins (jakeo) Feb 6, 1997
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Revision History:
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--*/
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//
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// Acpi BIOS Installation check
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//
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typedef struct _ACPI_BIOS_INSTALLATION_CHECK {
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UCHAR Signature[8]; // "RSD PTR" (ascii)
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UCHAR Checksum;
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UCHAR OemId[6]; // An OEM-supplied string
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UCHAR reserved; // must be 0
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ULONG RsdtAddress; // 32-bit physical address of RSDT
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} ACPI_BIOS_INSTALLATION_CHECK, far *FPACPI_BIOS_INSTALLATION_CHECK;
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typedef struct {
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PHYSICAL_ADDRESS Base;
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LARGE_INTEGER Length;
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ULONG Type;
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ULONG Reserved;
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} ACPI_E820_ENTRY, far *FPACPI_E820_ENTRY;
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typedef struct _ACPI_BIOS_MULTI_NODE {
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PHYSICAL_ADDRESS RsdtAddress; // 64-bit physical address of RSDT
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ULONG Count;
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ULONG Reserved; // don't use this. W2K depends on it being zero - oops
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ACPI_E820_ENTRY E820Entry[1];
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} ACPI_BIOS_MULTI_NODE, far *FPACPI_BIOS_MULTI_NODE;
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#define ACPI_BIOS_START 0xE0000
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#define ACPI_BIOS_END 0xFFFFF
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#define ACPI_BIOS_HEADER_INCREMENT 16
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typedef struct {
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USHORT Signature;
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USHORT CommandPortAddress;
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USHORT EventPortAddress;
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USHORT PollInterval;
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UCHAR CommandDataValue;
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UCHAR EventPortBitmask;
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UCHAR MaxLevelAc;
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UCHAR MaxLevelDc;
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} LEGACY_GEYSERVILLE_INT15, *PLEGACY_GEYSERVILLE_INT15;
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