1/** @file
2This file contains a structure definition for the ACPI 1.0 High Precision Event Timer
3Description Table (HPET).  The contents of this file should only be modified
4for bug fixes, no porting is required.  The table layout is defined in
5HighPrecisionEventTimerTable.h and the table contents are defined in Acpi1.0.h and Hpet.h.
6
7Copyright (c) 2013-2015 Intel Corporation.
8
9This program and the accompanying materials
10are licensed and made available under the terms and conditions of the BSD License
11which accompanies this distribution.  The full text of the license may be found at
12http://opensource.org/licenses/bsd-license.php
13
14THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
15WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
16
17**/
18
19//
20// Statements that include other files
21//
22
23#include "Hpet.h"
24
25//
26// High Precision Event Timer Table
27// Please modify all values in Hpet.h only.
28//
29
30EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER Hpet = {
31  {
32    EFI_ACPI_3_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE,
33    sizeof (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER),
34    EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION,
35
36    //
37    // Checksum will be updated at runtime
38    //
39    0x00,
40
41    //
42    // It is expected that these values will be updated at runtime
43    //
44    {' ', ' ', ' ', ' ', ' ', ' '},
45
46    0,
47    EFI_ACPI_OEM_HPET_REVISION,
48    0,
49    0
50  },
51  EFI_ACPI_EVENT_TIMER_BLOCK_ID,
52  {
53    EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS_SPACE_ID,
54    EFI_ACPI_EVENT_TIMER_BLOCK_BIT_WIDTH,
55    EFI_ACPI_EVENT_TIMER_BLOCK_BIT_OFFSET,
56    EFI_ACPI_EVENT_TIMER_ACCESS_SIZE,
57    ACPI_RUNTIME_UPDATE
58  },
59  EFI_ACPI_HPET_NUMBER,
60  EFI_ACPI_MIN_CLOCK_TICK,
61  EFI_ACPI_HPET_ATTRIBUTES
62};
63
64VOID*
65ReferenceAcpiTable (
66  VOID
67  )
68{
69  //
70  // Reference the table being generated to prevent the optimizer from removing the
71  // data structure from the exeutable
72  //
73  return (VOID*)&Hpet;
74}
75