diff options
Diffstat (limited to 'OvmfPkg/AcpiTables/Madt.aslc')
| -rwxr-xr-x | OvmfPkg/AcpiTables/Madt.aslc | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/OvmfPkg/AcpiTables/Madt.aslc b/OvmfPkg/AcpiTables/Madt.aslc new file mode 100755 index 0000000000..c2c4a69c3d --- /dev/null +++ b/OvmfPkg/AcpiTables/Madt.aslc @@ -0,0 +1,155 @@ +/** @file
+ MADT Table
+
+ This file contains a structure definition for the ACPI 1.0 Multiple APIC
+ Description Table (MADT).
+
+ Copyright (c) 2008 - 2009, Intel Corporation<BR> All rights
+ reserved. This program and the accompanying materials are
+ licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <IndustryStandard/Acpi.h>
+
+//
+// MADT Definitions
+//
+#define EFI_ACPI_OEM_MADT_REVISION 0x00000000 // TBD
+
+//
+// Local APIC address
+//
+#define EFI_ACPI_LOCAL_APIC_ADDRESS 0xFEE00000 // TBD
+
+//
+// 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 2
+#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,
+
+ //
+ // Checksum will be updated at runtime
+ //
+ 0x00,
+
+ //
+ // It is expected that these values will be programmed at runtime
+ //
+ ' ', ' ', ' ', ' ', ' ', ' ',
+
+ 0,
+ EFI_ACPI_OEM_MADT_REVISION,
+ 0,
+ 0,
+
+ //
+ // 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
+ 0x01, // 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
+ 0x0000, // Flags - Conforms to specifications of the bus
+
+ //
+ // ISO (SCI Active High) 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
+ 0x09, // Source - IRQ0
+ 0x00000009, // Global System Interrupt - IRQ2
+ 0x000D, // Flags - Level-tiggered, Active High
+
+ //
+ // IO APIC Structure
+ //
+ EFI_ACPI_1_0_IO_APIC, // Type
+ sizeof (EFI_ACPI_1_0_IO_APIC_STRUCTURE), // Length
+ 0x02, // 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;
+}
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