diff options
| author | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-17 05:36:16 +0000 |
|---|---|---|
| committer | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-17 05:36:16 +0000 |
| commit | 568eb0cb4be2a61d7ae6273582438fd80223f49c (patch) | |
| tree | f74938854640864c393ceb3a5586cedb26f4a4cc /MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h | |
| parent | f8751480842cf4b9429c532d64b62c022d074c8a (diff) | |
| download | edk2-platforms-568eb0cb4be2a61d7ae6273582438fd80223f49c.tar.xz | |
Check in definition for various ACPI tables and the header files for ACPI spec ranged from 1.0 to 3.0.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3287 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h')
| -rw-r--r-- | MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h b/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h new file mode 100644 index 0000000000..95648396ba --- /dev/null +++ b/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h @@ -0,0 +1,50 @@ +/**@file
+ ACPI high precision event timer table definition, defined at
+ ftp://download.intel.com/labs/platcomp/hpet/download/hpetspec098a.pdf.
+ Specification name is IA-PC HPET (High Precision Event Timers) Specification.
+
+ 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.
+**/
+
+#ifndef _HIGH_PRECISION_EVENT_TIMER_TABLE_H_
+#define _HIGH_PRECISION_EVENT_TIMER_TABLE_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
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