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42eedea9 | 1 | /** @file\r |
000f6a28 | 2 | ACPI high precision event timer table definition, at www.intel.com\r |
568eb0cb | 3 | Specification name is IA-PC HPET (High Precision Event Timers) Specification.\r |
4 | \r | |
000f6a28 | 5 | Copyright (c) 2007 - 2008, Intel Corporation\r |
568eb0cb | 6 | All rights reserved. This program and the accompanying materials \r |
7 | are licensed and made available under the terms and conditions of the BSD License \r | |
8 | which accompanies this distribution. The full text of the license may be found at \r | |
9 | http://opensource.org/licenses/bsd-license.php \r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
13 | **/\r | |
14 | \r | |
15 | #ifndef _HIGH_PRECISION_EVENT_TIMER_TABLE_H_\r | |
16 | #define _HIGH_PRECISION_EVENT_TIMER_TABLE_H_\r | |
17 | \r | |
ecc40942 | 18 | #include <IndustryStandard/Acpi.h>\r |
19 | \r | |
568eb0cb | 20 | //\r |
21 | // Ensure proper structure formats\r | |
22 | //\r | |
23 | #pragma pack(1)\r | |
1bc5d021 | 24 | \r |
25 | ///\r | |
26 | /// High Precision Event Timer Table header definition.\r | |
27 | ///\r | |
568eb0cb | 28 | typedef struct {\r |
29 | EFI_ACPI_DESCRIPTION_HEADER Header;\r | |
30 | UINT32 EventTimerBlockId;\r | |
31 | EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE BaseAddressLower32Bit;\r | |
32 | UINT8 HpetNumber;\r | |
33 | UINT16 MainCounterMinimumClockTickInPeriodicMode;\r | |
34 | UINT8 PageProtectionAndOemAttribute;\r | |
35 | } EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER;\r | |
36 | \r | |
1bc5d021 | 37 | ///\r |
38 | /// HPET Revision (defined in spec)\r | |
39 | ///\r | |
568eb0cb | 40 | #define EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION 0x01\r |
41 | \r | |
42 | //\r | |
43 | // Page protection setting\r | |
44 | // Values 3 through 15 are reserved for use by the specification\r | |
45 | //\r | |
46 | #define EFI_ACPI_NO_PAGE_PROTECTION 0\r | |
47 | #define EFI_ACPI_4KB_PAGE_PROTECTION 1\r | |
48 | #define EFI_ACPI_64KB_PAGE_PROTECTION 2\r | |
49 | \r | |
766f4bc1 | 50 | #pragma pack()\r |
51 | \r | |
568eb0cb | 52 | #endif\r |