diff options
Diffstat (limited to 'MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h')
-rw-r--r-- | MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h b/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h index 97b1c45edfc9..d2bc6d57c401 100644 --- a/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h +++ b/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h @@ -1,15 +1,9 @@ /** @file ACPI high precision event timer table definition, at www.intel.com Specification name is IA-PC HPET (High Precision Event Timers) Specification. - - Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.<BR> - 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. + + Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _HIGH_PRECISION_EVENT_TIMER_TABLE_H_ @@ -23,6 +17,22 @@ #pragma pack(1) /// +/// HPET Event Timer Block ID described in IA-PC HPET Specification, 3.2.4. +/// +typedef union { + struct { + UINT32 Revision : 8; + UINT32 NumberOfTimers : 5; + UINT32 CounterSize : 1; + UINT32 Reserved : 1; + UINT32 LegacyRoute : 1; + UINT32 VendorId : 16; + } Bits; + UINT32 Uint32; +} EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_BLOCK_ID; + + +/// /// High Precision Event Timer Table header definition. /// typedef struct { |