mirror of https://github.com/acidanthera/audk.git
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*++
|
|
|
|
Copyright (c) 2007, Intel Corporation
|
|
All rights reserved. This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
Module Name:
|
|
|
|
HighPrecisionEventTimerTable.h
|
|
|
|
Abstract:
|
|
|
|
ACPI high precision event timer table definition, defined at
|
|
Intel IA-PC HPET (High Precision Event Timers) Specification.
|
|
|
|
--*/
|
|
|
|
#ifndef _HIGH_PRECISION_EVENT_TIMER_TABLE_H_
|
|
#define _HIGH_PRECISION_EVENT_TIMER_TABLE_H_
|
|
|
|
//
|
|
// Include files
|
|
//
|
|
#include "Acpi2_0.h"
|
|
|
|
//
|
|
// Ensure proper structure formats
|
|
//
|
|
#pragma pack(1)
|
|
//
|
|
// High Precision Event Timer Table header definition.
|
|
//
|
|
typedef struct {
|
|
EFI_ACPI_DESCRIPTION_HEADER Header;
|
|
UINT32 EventTimerBlockId;
|
|
EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE BaseAddressLower32Bit;
|
|
UINT8 HpetNumber;
|
|
UINT16 MainCounterMinimumClockTickInPeriodicMode;
|
|
UINT8 PageProtectionAndOemAttribute;
|
|
} EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER;
|
|
|
|
//
|
|
// HPET Revision (defined in spec)
|
|
//
|
|
#define EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION 0x01
|
|
|
|
//
|
|
// Page protection setting
|
|
// Values 3 through 15 are reserved for use by the specification
|
|
//
|
|
#define EFI_ACPI_NO_PAGE_PROTECTION 0
|
|
#define EFI_ACPI_4KB_PAGE_PROTECTION 1
|
|
#define EFI_ACPI_64KB_PAGE_PROTECTION 2
|
|
|
|
#pragma pack()
|
|
|
|
#endif
|