mirror of https://github.com/acidanthera/audk.git
167 lines
6.0 KiB
C
167 lines
6.0 KiB
C
/** @file
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This is an implementation of the ACPI Support protocol.
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It is in compliance with the 0.9 definition of the protocol.
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Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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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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**/
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#ifndef _ACPI_SUPPORT_H_
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#define _ACPI_SUPPORT_H_
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#include <PiDxe.h>
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#include <Protocol/AcpiTable.h>
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#include <Guid/Acpi.h>
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#include <Protocol/AcpiSupport.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/PcdLib.h>
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//
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// Statements that include other files
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//
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#include <IndustryStandard/Acpi.h>
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//
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// Private Driver Data
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//
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//
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// ACPI Table Linked List Signature.
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//
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#define EFI_ACPI_TABLE_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'T', 'L')
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//
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// ACPI Table Linked List Entry definition.
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//
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// Signature must be set to EFI_ACPI_TABLE_LIST_SIGNATURE
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// Link is the linked list data.
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// Version is the versions of the ACPI tables that this table belongs in.
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// Table is a pointer to the table.
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// PageAddress is the address of the pages allocated for the table.
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// NumberOfPages is the number of pages allocated at PageAddress.
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// Handle is used to identify a particular table.
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//
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typedef struct {
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UINT32 Signature;
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LIST_ENTRY Link;
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EFI_ACPI_TABLE_VERSION Version;
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EFI_ACPI_COMMON_HEADER *Table;
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EFI_PHYSICAL_ADDRESS PageAddress;
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UINTN NumberOfPages;
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UINTN Handle;
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} EFI_ACPI_TABLE_LIST;
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//
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// Containment record for linked list.
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//
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#define EFI_ACPI_TABLE_LIST_FROM_LINK(_link) CR (_link, EFI_ACPI_TABLE_LIST, Link, EFI_ACPI_TABLE_LIST_SIGNATURE)
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//
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// The maximum number of tables this driver supports
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//
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#define EFI_ACPI_MAX_NUM_TABLES 20
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//
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// Protocol private structure definition
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//
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//
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// ACPI support protocol instance signature definition.
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//
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#define EFI_ACPI_SUPPORT_SIGNATURE SIGNATURE_32 ('S', 'S', 'A', 'E')
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//
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// ACPI support protocol instance data structure
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//
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typedef struct {
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UINTN Signature;
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EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp1; // Pointer to RSD_PTR structure
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EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp3; // Pointer to RSD_PTR structure
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EFI_ACPI_DESCRIPTION_HEADER *Rsdt1; // Pointer to RSDT table header
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EFI_ACPI_DESCRIPTION_HEADER *Rsdt3; // Pointer to RSDT table header
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EFI_ACPI_DESCRIPTION_HEADER *Xsdt; // Pointer to XSDT table header
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EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt1; // Pointer to FADT table header
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EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt3; // Pointer to FADT table header
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EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs1; // Pointer to FACS table header
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EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs3; // Pointer to FACS table header
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EFI_ACPI_DESCRIPTION_HEADER *Dsdt1; // Pointer to DSDT table header
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EFI_ACPI_DESCRIPTION_HEADER *Dsdt3; // Pointer to DSDT table header
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LIST_ENTRY TableList;
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UINTN NumberOfTableEntries1; // Number of ACPI 1.0 tables
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UINTN NumberOfTableEntries3; // Number of ACPI 3.0 tables
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UINTN CurrentHandle;
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BOOLEAN TablesInstalled1; // ACPI 1.0 tables published
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BOOLEAN TablesInstalled3; // ACPI 3.0 tables published
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EFI_ACPI_SUPPORT_PROTOCOL AcpiSupport;
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EFI_ACPI_TABLE_PROTOCOL AcpiTableProtocol;
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} EFI_ACPI_SUPPORT_INSTANCE;
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//
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// ACPI support protocol instance containing record macro
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//
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#define EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS(a) \
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CR (a, \
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EFI_ACPI_SUPPORT_INSTANCE, \
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AcpiSupport, \
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EFI_ACPI_SUPPORT_SIGNATURE \
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)
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//
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// ACPI table protocol instance containing record macro
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//
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#define EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS(a) \
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CR (a, \
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EFI_ACPI_SUPPORT_INSTANCE, \
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AcpiTableProtocol, \
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EFI_ACPI_SUPPORT_SIGNATURE \
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)
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/**
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Constructor for the ACPI support protocol.
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Constructor for the ACPI support protocol to initializes instance data.
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@param AcpiSupportInstance Instance to construct
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@retval EFI_SUCCESS Instance initialized.
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@retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.
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**/
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EFI_STATUS
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AcpiSupportAcpiSupportConstructor (
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IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance
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);
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/**
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Entry point of the ACPI support driver. This function creates and initializes an instance of the ACPI Support
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Protocol and installs it on a new handle.
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@param ImageHandle A handle for the image that is initializing this driver
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@param SystemTable A pointer to the EFI system table
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@retval EFI_SUCCESS Driver initialized successfully
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@retval EFI_LOAD_ERROR Failed to Initialize or has been loaded
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@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources
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**/
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EFI_STATUS
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EFIAPI
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InstallAcpiSupport (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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#endif
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