mirror of https://github.com/acidanthera/audk.git
160 lines
5.0 KiB
Plaintext
160 lines
5.0 KiB
Plaintext
/** @file
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MADT Table
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This file contains a structure definition for the ACPI 1.0 Multiple APIC
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Description Table (MADT).
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Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are
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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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**/
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#include <IndustryStandard/Acpi.h>
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#include <Platform.h>
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//
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// Local APIC address
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//
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#define EFI_ACPI_LOCAL_APIC_ADDRESS 0xFEE00000 // TBD
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//
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// Multiple APIC Flags are defined in AcpiX.0.h
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//
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#define EFI_ACPI_1_0_MULTIPLE_APIC_FLAGS (EFI_ACPI_1_0_PCAT_COMPAT)
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//
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// Define the number of each table type.
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// This is where the table layout is modified.
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//
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#define EFI_ACPI_PROCESSOR_LOCAL_APIC_COUNT 1
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#define EFI_ACPI_INTERRUPT_SOURCE_OVERRIDE_COUNT 2
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#define EFI_ACPI_IO_APIC_COUNT 1
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//
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// Ensure proper structure formats
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//
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#pragma pack (1)
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//
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// ACPI 1.0 MADT structure
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//
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typedef struct {
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EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER Header;
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#if EFI_ACPI_PROCESSOR_LOCAL_APIC_COUNT > 0
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EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE LocalApic[EFI_ACPI_PROCESSOR_LOCAL_APIC_COUNT];
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#endif
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#if EFI_ACPI_INTERRUPT_SOURCE_OVERRIDE_COUNT > 0
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EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE Iso[EFI_ACPI_INTERRUPT_SOURCE_OVERRIDE_COUNT];
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#endif
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#if EFI_ACPI_IO_APIC_COUNT > 0
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EFI_ACPI_1_0_IO_APIC_STRUCTURE IoApic[EFI_ACPI_IO_APIC_COUNT];
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#endif
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} EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE;
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#pragma pack ()
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//
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// Multiple APIC Description Table
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//
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EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = {
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{
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{
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EFI_ACPI_1_0_APIC_SIGNATURE,
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sizeof (EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE),
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EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION,
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0x00, // Checksum will be updated at runtime
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{EFI_ACPI_OEM_ID},
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EFI_ACPI_OEM_TABLE_ID,
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EFI_ACPI_OEM_REVISION,
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EFI_ACPI_CREATOR_ID,
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EFI_ACPI_CREATOR_REVISION
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},
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//
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// MADT specific fields
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//
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EFI_ACPI_LOCAL_APIC_ADDRESS,
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EFI_ACPI_1_0_MULTIPLE_APIC_FLAGS,
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},
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//
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// Processor Local APIC Structure
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//
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{
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{
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EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC, // Type
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sizeof (EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE), // Length
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0x00, // Processor ID
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0x00, // Local APIC ID
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0x00000001 // Flags - Enabled by default
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}
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},
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//
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// Interrupt Source Override Structure
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//
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{
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{
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//
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// IRQ0=>IRQ2 Interrupt Source Override Structure
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//
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EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE, // Type
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sizeof (EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE),// Length
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0x00, // Bus - ISA
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0x00, // Source - IRQ0
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0x00000002, // Global System Interrupt - IRQ2
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0x0000 // Flags - Conforms to specifications of the bus
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},
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{
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//
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// ISO (SCI Active High) Interrupt Source Override Structure
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//
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EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE, // Type
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sizeof (EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE),// Length
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0x00, // Bus - ISA
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0x09, // Source - IRQ0
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0x00000009, // Global System Interrupt - IRQ2
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0x000D // Flags - Level-tiggered, Active High
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}
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},
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//
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// IO APIC Structure
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//
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{
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{
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EFI_ACPI_1_0_IO_APIC, // Type
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sizeof (EFI_ACPI_1_0_IO_APIC_STRUCTURE), // Length
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0x02, // IO APIC ID
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EFI_ACPI_RESERVED_BYTE, // Reserved
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0xFEC00000, // IO APIC Address (physical)
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0x00000000 // Global System Interrupt Base
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}
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},
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};
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VOID*
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ReferenceAcpiTable (
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VOID
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)
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{
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//
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// Reference the table being generated to prevent the optimizer from removing the
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// data structure from the exeutable
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//
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return (VOID*)&Madt;
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}
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