windows-nt/Source/XPSP1/NT/base/boot/detect/ia64/acpibios.h
2020-09-26 16:20:57 +08:00

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C

/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) 1997 Microsoft Corporation
Module Name:
acpibios.h
Abstract:
ACPI BIOS spec related definitions
Author:
Jake Oshins (jakeo) Feb 6, 1997
Revision History:
--*/
//
// Acpi BIOS Installation check
//
typedef struct _ACPI_BIOS_INSTALLATION_CHECK {
UCHAR Signature[8]; // "RSD PTR" (ascii)
UCHAR Checksum;
UCHAR OemId[6]; // An OEM-supplied string
UCHAR reserved; // must be 0
ULONG RsdtAddress; // 32-bit physical address of RSDT
} ACPI_BIOS_INSTALLATION_CHECK, far *FPACPI_BIOS_INSTALLATION_CHECK;
#define ACPI_BIOS_START 0xE0000
#define ACPI_BIOS_END 0xFFFFF
#define ACPI_BIOS_HEADER_INCREMENT 16