mirror of https://github.com/acidanthera/audk.git
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/** @file
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This file contains some basic ACPI definitions that are consumed by drivers
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that do not care about ACPI versions.
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name: Acpi.h
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**/
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#ifndef _ACPI_H_
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#define _ACPI_H_
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//
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// Common table header, this prefaces all ACPI tables, including FACS, but
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// excluding the RSD PTR structure
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//
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typedef struct {
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UINT32 Signature;
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UINT32 Length;
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} EFI_ACPI_COMMON_HEADER;
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//
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// Common ACPI description table header. This structure prefaces most ACPI tables.
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//
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#pragma pack(1)
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typedef struct {
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UINT32 Signature;
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UINT32 Length;
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UINT8 Revision;
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UINT8 Checksum;
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UINT8 OemId[6];
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UINT64 OemTableId;
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UINT32 OemRevision;
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UINT32 CreatorId;
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UINT32 CreatorRevision;
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} EFI_ACPI_DESCRIPTION_HEADER;
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#pragma pack()
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//
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// Define for Pci Host Bridge Resource Allocation
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//
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#define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
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#define ACPI_END_TAG_DESCRIPTOR 0x79
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#define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00
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#define ACPI_ADDRESS_SPACE_TYPE_IO 0x01
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#define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02
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//
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// Make sure structures match spec
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//
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#pragma pack(1)
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typedef struct {
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UINT8 Desc;
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UINT16 Len;
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UINT8 ResType;
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UINT8 GenFlag;
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UINT8 SpecificFlag;
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UINT64 AddrSpaceGranularity;
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UINT64 AddrRangeMin;
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UINT64 AddrRangeMax;
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UINT64 AddrTranslationOffset;
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UINT64 AddrLen;
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} EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR;
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typedef struct {
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UINT8 Desc;
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UINT8 Checksum;
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} EFI_ACPI_END_TAG_DESCRIPTOR;
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//
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// General use definitions
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//
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#define EFI_ACPI_RESERVED_BYTE 0x00
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#define EFI_ACPI_RESERVED_WORD 0x0000
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#define EFI_ACPI_RESERVED_DWORD 0x00000000
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#define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
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#pragma pack()
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#endif
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