| /** @file | |
| MADT Table | |
| This file contains a structure definition for the ACPI 1.0 Multiple APIC | |
| Description Table (MADT). | |
| Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com> | |
| Copyright (c) 2014, Pluribus Networks, Inc. | |
| Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #include <IndustryStandard/Acpi.h> | |
| #include <Platform.h> | |
| #define EFI_ACPI_OEM_TABLE_ID SIGNATURE_64('B','V','M','A','D','T',' ',' ') | |
| // | |
| // Local APIC address | |
| // | |
| #define EFI_ACPI_LOCAL_APIC_ADDRESS 0xFEE00000 | |
| // | |
| // Multiple APIC Flags are defined in AcpiX.0.h | |
| // | |
| #define EFI_ACPI_1_0_MULTIPLE_APIC_FLAGS (EFI_ACPI_1_0_PCAT_COMPAT) | |
| // | |
| // Define the number of each table type. | |
| // This is where the table layout is modified. | |
| // | |
| #define EFI_ACPI_PROCESSOR_LOCAL_APIC_COUNT 1 | |
| #define EFI_ACPI_INTERRUPT_SOURCE_OVERRIDE_COUNT 1 | |
| #define EFI_ACPI_IO_APIC_COUNT 1 | |
| // | |
| // Ensure proper structure formats | |
| // | |
| #pragma pack (1) | |
| // | |
| // ACPI 1.0 MADT structure | |
| // | |
| typedef struct { | |
| EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER Header; | |
| #if EFI_ACPI_PROCESSOR_LOCAL_APIC_COUNT > 0 | |
| EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE LocalApic[EFI_ACPI_PROCESSOR_LOCAL_APIC_COUNT]; | |
| #endif | |
| #if EFI_ACPI_INTERRUPT_SOURCE_OVERRIDE_COUNT > 0 | |
| EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE Iso[EFI_ACPI_INTERRUPT_SOURCE_OVERRIDE_COUNT]; | |
| #endif | |
| #if EFI_ACPI_IO_APIC_COUNT > 0 | |
| EFI_ACPI_1_0_IO_APIC_STRUCTURE IoApic[EFI_ACPI_IO_APIC_COUNT]; | |
| #endif | |
| } EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE; | |
| #pragma pack () | |
| // | |
| // Multiple APIC Description Table | |
| // | |
| EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = { | |
| { | |
| { | |
| EFI_ACPI_1_0_APIC_SIGNATURE, | |
| sizeof (EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE), | |
| EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION, | |
| 0x00, // Checksum will be updated at runtime | |
| {EFI_ACPI_OEM_ID}, | |
| EFI_ACPI_OEM_TABLE_ID, | |
| EFI_ACPI_OEM_REVISION, | |
| EFI_ACPI_CREATOR_ID, | |
| EFI_ACPI_CREATOR_REVISION | |
| }, | |
| // | |
| // MADT specific fields | |
| // | |
| EFI_ACPI_LOCAL_APIC_ADDRESS, | |
| EFI_ACPI_1_0_MULTIPLE_APIC_FLAGS, | |
| }, | |
| // | |
| // Processor Local APIC Structure | |
| // | |
| { | |
| { | |
| EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC, // Type | |
| sizeof (EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE), // Length | |
| 0x00, // Processor ID | |
| 0x00, // Local APIC ID | |
| 0x00000001 // Flags - Enabled by default | |
| } | |
| }, | |
| // | |
| // Interrupt Source Override Structure | |
| // | |
| { | |
| { | |
| // | |
| // IRQ0=>IRQ2 Interrupt Source Override Structure | |
| // | |
| EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE, // Type | |
| sizeof (EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE),// Length | |
| 0x00, // Bus - ISA | |
| 0x00, // Source - IRQ0 | |
| 0x00000002, // Global System Interrupt - IRQ2 | |
| 0x0005 // Flags - Conforms to specifications of the bus | |
| }, | |
| }, | |
| // | |
| // IO APIC Structure | |
| // | |
| { | |
| { | |
| EFI_ACPI_1_0_IO_APIC, // Type | |
| sizeof (EFI_ACPI_1_0_IO_APIC_STRUCTURE), // Length | |
| 0x01, // IO APIC ID | |
| EFI_ACPI_RESERVED_BYTE, // Reserved | |
| 0xFEC00000, // IO APIC Address (physical) | |
| 0x00000000 // Global System Interrupt Base | |
| } | |
| }, | |
| }; | |
| VOID* | |
| ReferenceAcpiTable ( | |
| VOID | |
| ) | |
| { | |
| // | |
| // Reference the table being generated to prevent the optimizer from removing the | |
| // data structure from the exeutable | |
| // | |
| return (VOID*)&Madt; | |
| } |