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author | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
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committer | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
commit | b7c51c9cf4864df6aabb99a1ae843becd577237c (patch) | |
tree | eebe9b0d0ca03062955223097e57da84dd618b9a /EDK/Foundation/Include/IndustryStandard/HighPrecisionEventTimerTable.h | |
download | zprj-master.tar.xz |
Diffstat (limited to 'EDK/Foundation/Include/IndustryStandard/HighPrecisionEventTimerTable.h')
-rw-r--r-- | EDK/Foundation/Include/IndustryStandard/HighPrecisionEventTimerTable.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/EDK/Foundation/Include/IndustryStandard/HighPrecisionEventTimerTable.h b/EDK/Foundation/Include/IndustryStandard/HighPrecisionEventTimerTable.h new file mode 100644 index 0000000..8c138c5 --- /dev/null +++ b/EDK/Foundation/Include/IndustryStandard/HighPrecisionEventTimerTable.h @@ -0,0 +1,62 @@ +/*++ + +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 |