mirror of https://github.com/acidanthera/audk.git
185 lines
8.6 KiB
Plaintext
185 lines
8.6 KiB
Plaintext
/*++
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Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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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:
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Madt3.0.c
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Abstract:
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This file contains a structure definition for the ACPI 2.0 Multiple APIC
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Description Table (MADT). Any changes to the MADT table require updating the
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respective structure count in Madt.h and then adding the structure to the
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MADT defined in this file. The table layout is defined in Madt.h and the
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table contents are defined in Acpi3_0.h and Madt.h.
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--*/
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//
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// Statements that include other files
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//
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#include "Madt.h"
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#include <IndustryStandard/Acpi50.h>
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//
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// Multiple APIC Description Table
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//
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EFI_ACPI_3_0_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = {
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EFI_ACPI_3_0_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE, // **Signatures are the same 1.0-3.0 because it says "APIC".
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sizeof (EFI_ACPI_3_0_MULTIPLE_APIC_DESCRIPTION_TABLE), // **Length
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EFI_ACPI_5_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION,
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//
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// EFI_ACPI_3_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION, // **Table Revision must be 2.0 for ACPI 3.0
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// Checksum will be updated at runtime
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//
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0x00, // **Check sum
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//
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// It is expected that these values will be programmed at runtime
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//
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' ', // OEMID
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' ', // Creative way to
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' ', // make six bytes
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' ', // of space in
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' ', // a table for
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' ', // **OEMID
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0, // **OEM Table ID
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EFI_ACPI_OEM_MADT_REVISION, // **OEM Revision
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0, // **Creator ID
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0, // **Creator Revision
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//
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// MADT specific fields
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//
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LOCAL_APIC_ADDRESS, // **Local APIC Address
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EFI_ACPI_4_0_MULTIPLE_APIC_FLAGS, // **Flags
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//
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// Processor Local APIC Structure
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// Correct processor order, Primary threads first then Hyper threads
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// And correct APIC-ids
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// This text below is included as a reference until Thurley is 100%:
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// According to EDS the Local APIC ID is determined based of a bit structure
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// Bit 24: Core ID Bit 25: Core Pair ID Bit 26-27: Reserved Bit 28-30: Socket ID Bit 31: Reserved
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// 4 Sockets and 4 Cores per Socket.
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// So possible LAPIC IDs 00, 01, 02, 03, 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33
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// Static Entries 00, 10, 20, 30, 01, 11, 21, 31, 02, 12, 22, 32, 03, 13, 23, 33
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// BSP needs to be first entry in table. Check before boot. If BSP non zero need to rotate the entries.
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// Suppore BSP is LAPIC ID xy. Rotate the table by using formula [x + (y * 4)]
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// So if BSP LAPIC ID is 21 then table rotated 6 times.
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// End of Reference Text.
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// Thurley is supposed to be 2 sockets, 4 cores, and hyperthreading available per each core.
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// 2 (sockets) x 4 (cores) = 8 (processors non-HT), 8 (processors non-HT) x 2 (HT/proc) = 16 (HT procs)
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// Rhyme & reason of the ordering below. This is a best guess ordering for now,
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// Thurley EPS may give better info on LAPIC numbers.
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// Ordering was established to help dissipate heat across two sockets evenly.
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// Since logical processor number only has to be unique, I followed
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// a similar approach to high end servers and have the first digit of the LAPIC
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// id the socket number.
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//
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EFI_ACPI_3_0_PROCESSOR_LOCAL_APIC, // Type 0x00
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sizeof (EFI_ACPI_3_0_PROCESSOR_LOCAL_APIC_STRUCTURE), // Length
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0x01, // Processor ID
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0x00, // Local APIC ID
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0x00000001, // Flags - Disabled (until initialized by platform driver)
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EFI_ACPI_3_0_PROCESSOR_LOCAL_APIC, // Type
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sizeof (EFI_ACPI_3_0_PROCESSOR_LOCAL_APIC_STRUCTURE), // Length
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0x02, // Processor ID
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0x04, // Local APIC ID
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0x00000001, // Flags - Disabled (until initialized by platform driver)
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EFI_ACPI_3_0_PROCESSOR_LOCAL_APIC, // Type
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sizeof (EFI_ACPI_3_0_PROCESSOR_LOCAL_APIC_STRUCTURE), // Length
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0x03, // Processor ID
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0x02, // Local APIC ID
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0x00000001, // Flags - Disabled (until initialized by platform driver)
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EFI_ACPI_3_0_PROCESSOR_LOCAL_APIC, // Type
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sizeof (EFI_ACPI_3_0_PROCESSOR_LOCAL_APIC_STRUCTURE), // Length
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0x04, // Processor ID
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0x06, // Local APIC ID
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0x00000001, // Flags - Disabled (until initialized by platform driver)
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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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// ************************** I/O APIC **************
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//
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EFI_ACPI_3_0_IO_APIC, // Type 0x01
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sizeof (EFI_ACPI_3_0_IO_APIC_STRUCTURE), // Length
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ICH_IOAPIC_ID, // IO APIC ID
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EFI_ACPI_RESERVED_BYTE, // Reserved EFI_ACPI_RESERVED_BYTE
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IO_APIC_ADDRESS, // IO APIC Address (physical) 0xFEC00000
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0x18 * 0, // Global System Interrupt Base
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//
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// Interrupt Source Override Structure: Sample
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//
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// EFI_ACPI_2_0_INTERRUPT_SOURCE_OVERRIDE, // Type 0x02
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// sizeof (EFI_ACPI_2_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE),// Length
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// 0x00, // Bus
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// 0x00, // Source
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// 0x00000000, // Global System Interrupt
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// 0x0000, // Flags
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//
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// IRQ0=>IRQ2 Interrupt Source Override Structure
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//
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EFI_ACPI_3_0_INTERRUPT_SOURCE_OVERRIDE, // Type 0x02
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sizeof (EFI_ACPI_3_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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// ISO (SCI Active High) Interrupt Source Override Structure
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//
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EFI_ACPI_3_0_INTERRUPT_SOURCE_OVERRIDE, // Type 0x02
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sizeof (EFI_ACPI_3_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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EFI_ACPI_3_0_LOCAL_APIC_NMI, // Type
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sizeof (EFI_ACPI_3_0_LOCAL_APIC_NMI_STRUCTURE), // Length
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0x01, // ACPI Processor ID
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0x000D, // Flags - Level-tiggered, Active High
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0x01, // Local APIC LINT#
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EFI_ACPI_3_0_LOCAL_APIC_NMI, // Type
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sizeof (EFI_ACPI_3_0_LOCAL_APIC_NMI_STRUCTURE), // Length
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0x02, // ACPI Processor ID
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0x000D, // Flags - Level-tiggered, Active High
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0x01, // Local APIC LINT#
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EFI_ACPI_3_0_LOCAL_APIC_NMI, // Type
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sizeof (EFI_ACPI_3_0_LOCAL_APIC_NMI_STRUCTURE), // Length
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0x03, // ACPI Processor ID
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0x000D, // Flags - Level-tiggered, Active High
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0x01, // Local APIC LINT#
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EFI_ACPI_3_0_LOCAL_APIC_NMI, // Type
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sizeof (EFI_ACPI_3_0_LOCAL_APIC_NMI_STRUCTURE), // Length
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0x04, // ACPI Processor ID
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0x000D, // Flags - Level-tiggered, Active High
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0x01, // Local APIC LINT#
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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
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// removing the data structure from the executable
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//
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return (VOID*)&Madt;
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}
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