--- /dev/null
+/** @file
+ ACPI 1.0b definitions from the ACPI Specification, revision 1.0b
+
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that 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.
+**/
+
+#ifndef _ACPI_1_0_H_
+#define _ACPI_1_0_H_
+
+FILE_LICENCE ( BSD3 );
+
+#include <ipxe/efi/IndustryStandard/AcpiAml.h>
+
+///
+/// Common table header, this prefaces all ACPI tables, including FACS, but
+/// excluding the RSD PTR structure.
+///
+typedef struct {
+ UINT32 Signature;
+ UINT32 Length;
+} EFI_ACPI_COMMON_HEADER;
+
+#pragma pack(1)
+///
+/// The common ACPI description table header. This structure prefaces most ACPI tables.
+///
+typedef struct {
+ UINT32 Signature;
+ UINT32 Length;
+ UINT8 Revision;
+ UINT8 Checksum;
+ UINT8 OemId[6];
+ UINT64 OemTableId;
+ UINT32 OemRevision;
+ UINT32 CreatorId;
+ UINT32 CreatorRevision;
+} EFI_ACPI_DESCRIPTION_HEADER;
+#pragma pack()
+
+//
+// Define for Desriptor
+//
+#define ACPI_SMALL_ITEM_FLAG 0x00
+#define ACPI_LARGE_ITEM_FLAG 0x01
+
+//
+// Small Item Descriptor Name
+//
+#define ACPI_SMALL_IRQ_DESCRIPTOR_NAME 0x04
+#define ACPI_SMALL_DMA_DESCRIPTOR_NAME 0x05
+#define ACPI_SMALL_START_DEPENDENT_DESCRIPTOR_NAME 0x06
+#define ACPI_SMALL_END_DEPENDENT_DESCRIPTOR_NAME 0x07
+#define ACPI_SMALL_IO_PORT_DESCRIPTOR_NAME 0x08
+#define ACPI_SMALL_FIXED_IO_PORT_DESCRIPTOR_NAME 0x09
+#define ACPI_SMALL_VENDOR_DEFINED_DESCRIPTOR_NAME 0x0E
+#define ACPI_SMALL_END_TAG_DESCRIPTOR_NAME 0x0F
+
+//
+// Large Item Descriptor Name
+//
+#define ACPI_LARGE_24_BIT_MEMORY_RANGE_DESCRIPTOR_NAME 0x01
+#define ACPI_LARGE_VENDOR_DEFINED_DESCRIPTOR_NAME 0x04
+#define ACPI_LARGE_32_BIT_MEMORY_RANGE_DESCRIPTOR_NAME 0x05
+#define ACPI_LARGE_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR_NAME 0x06
+#define ACPI_LARGE_DWORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x07
+#define ACPI_LARGE_WORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x08
+#define ACPI_LARGE_EXTENDED_IRQ_DESCRIPTOR_NAME 0x09
+#define ACPI_LARGE_QWORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x0A
+
+//
+// Small Item Descriptor Value
+//
+#define ACPI_IRQ_NOFLAG_DESCRIPTOR 0x22
+#define ACPI_IRQ_DESCRIPTOR 0x23
+#define ACPI_DMA_DESCRIPTOR 0x2A
+#define ACPI_START_DEPENDENT_DESCRIPTOR 0x30
+#define ACPI_START_DEPENDENT_EX_DESCRIPTOR 0x31
+#define ACPI_END_DEPENDENT_DESCRIPTOR 0x38
+#define ACPI_IO_PORT_DESCRIPTOR 0x47
+#define ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR 0x4B
+#define ACPI_END_TAG_DESCRIPTOR 0x79
+
+//
+// Large Item Descriptor Value
+//
+#define ACPI_24_BIT_MEMORY_RANGE_DESCRIPTOR 0x81
+#define ACPI_32_BIT_MEMORY_RANGE_DESCRIPTOR 0x85
+#define ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR 0x86
+#define ACPI_DWORD_ADDRESS_SPACE_DESCRIPTOR 0x87
+#define ACPI_WORD_ADDRESS_SPACE_DESCRIPTOR 0x88
+#define ACPI_EXTENDED_INTERRUPT_DESCRIPTOR 0x89
+#define ACPI_QWORD_ADDRESS_SPACE_DESCRIPTOR 0x8A
+#define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
+
+//
+// Resource Type
+//
+#define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00
+#define ACPI_ADDRESS_SPACE_TYPE_IO 0x01
+#define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02
+
+///
+/// Power Management Timer frequency is fixed at 3.579545MHz.
+///
+#define ACPI_TIMER_FREQUENCY 3579545
+
+//
+// Ensure proper structure formats
+//
+#pragma pack(1)
+
+///
+/// The commond definition of QWORD, DWORD, and WORD
+/// Address Space Descriptors.
+///
+typedef PACKED struct {
+ UINT8 Desc;
+ UINT16 Len;
+ UINT8 ResType;
+ UINT8 GenFlag;
+ UINT8 SpecificFlag;
+ UINT64 AddrSpaceGranularity;
+ UINT64 AddrRangeMin;
+ UINT64 AddrRangeMax;
+ UINT64 AddrTranslationOffset;
+ UINT64 AddrLen;
+} EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR;
+
+typedef PACKED union {
+ UINT8 Byte;
+ PACKED struct {
+ UINT8 Length : 3;
+ UINT8 Name : 4;
+ UINT8 Type : 1;
+ } Bits;
+} ACPI_SMALL_RESOURCE_HEADER;
+
+typedef PACKED struct {
+ PACKED union {
+ UINT8 Byte;
+ PACKED struct {
+ UINT8 Name : 7;
+ UINT8 Type : 1;
+ }Bits;
+ } Header;
+ UINT16 Length;
+} ACPI_LARGE_RESOURCE_HEADER;
+
+///
+/// IRQ Descriptor.
+///
+typedef PACKED struct {
+ ACPI_SMALL_RESOURCE_HEADER Header;
+ UINT16 Mask;
+} EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR;
+
+///
+/// IRQ Descriptor.
+///
+typedef PACKED struct {
+ ACPI_SMALL_RESOURCE_HEADER Header;
+ UINT16 Mask;
+ UINT8 Information;
+} EFI_ACPI_IRQ_DESCRIPTOR;
+
+///
+/// DMA Descriptor.
+///
+typedef PACKED struct {
+ ACPI_SMALL_RESOURCE_HEADER Header;
+ UINT8 ChannelMask;
+ UINT8 Information;
+} EFI_ACPI_DMA_DESCRIPTOR;
+
+///
+/// I/O Port Descriptor
+///
+typedef PACKED struct {
+ ACPI_SMALL_RESOURCE_HEADER Header;
+ UINT8 Information;
+ UINT16 BaseAddressMin;
+ UINT16 BaseAddressMax;
+ UINT8 Alignment;
+ UINT8 Length;
+} EFI_ACPI_IO_PORT_DESCRIPTOR;
+
+///
+/// Fixed Location I/O Port Descriptor.
+///
+typedef PACKED struct {
+ ACPI_SMALL_RESOURCE_HEADER Header;
+ UINT16 BaseAddress;
+ UINT8 Length;
+} EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR;
+
+///
+/// 24-Bit Memory Range Descriptor
+///
+typedef PACKED struct {
+ ACPI_LARGE_RESOURCE_HEADER Header;
+ UINT8 Information;
+ UINT16 BaseAddressMin;
+ UINT16 BaseAddressMax;
+ UINT16 Alignment;
+ UINT16 Length;
+} EFI_ACPI_24_BIT_MEMORY_RANGE_DESCRIPTOR;
+
+///
+/// 32-Bit Memory Range Descriptor
+///
+typedef PACKED struct {
+ ACPI_LARGE_RESOURCE_HEADER Header;
+ UINT8 Information;
+ UINT32 BaseAddressMin;
+ UINT32 BaseAddressMax;
+ UINT32 Alignment;
+ UINT32 Length;
+} EFI_ACPI_32_BIT_MEMORY_RANGE_DESCRIPTOR;
+
+///
+/// Fixed 32-Bit Fixed Memory Range Descriptor
+///
+typedef PACKED struct {
+ ACPI_LARGE_RESOURCE_HEADER Header;
+ UINT8 Information;
+ UINT32 BaseAddress;
+ UINT32 Length;
+} EFI_ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR;
+
+///
+/// QWORD Address Space Descriptor
+///
+typedef PACKED struct {
+ ACPI_LARGE_RESOURCE_HEADER Header;
+ UINT8 ResType;
+ UINT8 GenFlag;
+ UINT8 SpecificFlag;
+ UINT64 AddrSpaceGranularity;
+ UINT64 AddrRangeMin;
+ UINT64 AddrRangeMax;
+ UINT64 AddrTranslationOffset;
+ UINT64 AddrLen;
+} EFI_ACPI_QWORD_ADDRESS_SPACE_DESCRIPTOR;
+
+///
+/// DWORD Address Space Descriptor
+///
+typedef PACKED struct {
+ ACPI_LARGE_RESOURCE_HEADER Header;
+ UINT8 ResType;
+ UINT8 GenFlag;
+ UINT8 SpecificFlag;
+ UINT32 AddrSpaceGranularity;
+ UINT32 AddrRangeMin;
+ UINT32 AddrRangeMax;
+ UINT32 AddrTranslationOffset;
+ UINT32 AddrLen;
+} EFI_ACPI_DWORD_ADDRESS_SPACE_DESCRIPTOR;
+
+///
+/// WORD Address Space Descriptor
+///
+typedef PACKED struct {
+ ACPI_LARGE_RESOURCE_HEADER Header;
+ UINT8 ResType;
+ UINT8 GenFlag;
+ UINT8 SpecificFlag;
+ UINT16 AddrSpaceGranularity;
+ UINT16 AddrRangeMin;
+ UINT16 AddrRangeMax;
+ UINT16 AddrTranslationOffset;
+ UINT16 AddrLen;
+} EFI_ACPI_WORD_ADDRESS_SPACE_DESCRIPTOR;
+
+///
+/// Extended Interrupt Descriptor
+///
+typedef PACKED struct {
+ ACPI_LARGE_RESOURCE_HEADER Header;
+ UINT8 InterruptVectorFlags;
+ UINT8 InterruptTableLength;
+ UINT32 InterruptNumber[1];
+} EFI_ACPI_EXTENDED_INTERRUPT_DESCRIPTOR;
+
+#pragma pack()
+
+///
+/// The End tag identifies an end of resource data.
+///
+typedef struct {
+ UINT8 Desc;
+ UINT8 Checksum;
+} EFI_ACPI_END_TAG_DESCRIPTOR;
+
+//
+// General use definitions
+//
+#define EFI_ACPI_RESERVED_BYTE 0x00
+#define EFI_ACPI_RESERVED_WORD 0x0000
+#define EFI_ACPI_RESERVED_DWORD 0x00000000
+#define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
+
+//
+// Resource Type Specific Flags
+// Ref ACPI specification 6.4.3.5.5
+//
+// Bit [0] : Write Status, _RW
+//
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0)
+//
+// Bit [2:1] : Memory Attributes, _MEM
+//
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1)
+//
+// Bit [4:3] : Memory Attributes, _MTP
+//
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3)
+#define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3)
+//
+// Bit [5] : Memory to I/O Translation, _TTP
+//
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5)
+
+//
+// IRQ Information
+// Ref ACPI specification 6.4.2.1
+//
+#define EFI_ACPI_IRQ_SHARABLE_MASK 0x10
+#define EFI_ACPI_IRQ_SHARABLE 0x10
+
+#define EFI_ACPI_IRQ_POLARITY_MASK 0x08
+#define EFI_ACPI_IRQ_HIGH_TRUE 0x00
+#define EFI_ACPI_IRQ_LOW_FALSE 0x08
+
+#define EFI_ACPI_IRQ_MODE 0x01
+#define EFI_ACPI_IRQ_LEVEL_TRIGGERED 0x00
+#define EFI_ACPI_IRQ_EDGE_TRIGGERED 0x01
+
+//
+// DMA Information
+// Ref ACPI specification 6.4.2.2
+//
+#define EFI_ACPI_DMA_SPEED_TYPE_MASK 0x60
+#define EFI_ACPI_DMA_SPEED_TYPE_COMPATIBILITY 0x00
+#define EFI_ACPI_DMA_SPEED_TYPE_A 0x20
+#define EFI_ACPI_DMA_SPEED_TYPE_B 0x40
+#define EFI_ACPI_DMA_SPEED_TYPE_F 0x60
+
+#define EFI_ACPI_DMA_BUS_MASTER_MASK 0x04
+#define EFI_ACPI_DMA_BUS_MASTER 0x04
+
+#define EFI_ACPI_DMA_TRANSFER_TYPE_MASK 0x03
+#define EFI_ACPI_DMA_TRANSFER_TYPE_8_BIT 0x00
+#define EFI_ACPI_DMA_TRANSFER_TYPE_8_BIT_AND_16_BIT 0x01
+#define EFI_ACPI_DMA_TRANSFER_TYPE_16_BIT 0x10
+
+//
+// IO Information
+// Ref ACPI specification 6.4.2.5
+//
+#define EFI_ACPI_IO_DECODE_MASK 0x01
+#define EFI_ACPI_IO_DECODE_16_BIT 0x01
+#define EFI_ACPI_IO_DECODE_10_BIT 0x00
+
+//
+// Memory Information
+// Ref ACPI specification 6.4.3.4
+//
+#define EFI_ACPI_MEMORY_WRITE_STATUS_MASK 0x01
+#define EFI_ACPI_MEMORY_WRITABLE 0x01
+#define EFI_ACPI_MEMORY_NON_WRITABLE 0x00
+
+//
+// Ensure proper structure formats
+//
+#pragma pack(1)
+//
+// ACPI 1.0b table structures
+//
+
+///
+/// Root System Description Pointer Structure.
+///
+typedef struct {
+ UINT64 Signature;
+ UINT8 Checksum;
+ UINT8 OemId[6];
+ UINT8 Reserved;
+ UINT32 RsdtAddress;
+} EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER;
+
+//
+// Root System Description Table
+// No definition needed as it is a common description table header, the same with
+// EFI_ACPI_DESCRIPTION_HEADER, followed by a variable number of UINT32 table pointers.
+//
+
+///
+/// RSDT Revision (as defined in ACPI 1.0b specification).
+///
+#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01
+
+///
+/// Fixed ACPI Description Table Structure (FADT).
+///
+typedef struct {
+ EFI_ACPI_DESCRIPTION_HEADER Header;
+ UINT32 FirmwareCtrl;
+ UINT32 Dsdt;
+ UINT8 IntModel;
+ UINT8 Reserved1;
+ UINT16 SciInt;
+ UINT32 SmiCmd;
+ UINT8 AcpiEnable;
+ UINT8 AcpiDisable;
+ UINT8 S4BiosReq;
+ UINT8 Reserved2;
+ UINT32 Pm1aEvtBlk;
+ UINT32 Pm1bEvtBlk;
+ UINT32 Pm1aCntBlk;
+ UINT32 Pm1bCntBlk;
+ UINT32 Pm2CntBlk;
+ UINT32 PmTmrBlk;
+ UINT32 Gpe0Blk;
+ UINT32 Gpe1Blk;
+ UINT8 Pm1EvtLen;
+ UINT8 Pm1CntLen;
+ UINT8 Pm2CntLen;
+ UINT8 PmTmLen;
+ UINT8 Gpe0BlkLen;
+ UINT8 Gpe1BlkLen;
+ UINT8 Gpe1Base;
+ UINT8 Reserved3;
+ UINT16 PLvl2Lat;
+ UINT16 PLvl3Lat;
+ UINT16 FlushSize;
+ UINT16 FlushStride;
+ UINT8 DutyOffset;
+ UINT8 DutyWidth;
+ UINT8 DayAlrm;
+ UINT8 MonAlrm;
+ UINT8 Century;
+ UINT8 Reserved4;
+ UINT8 Reserved5;
+ UINT8 Reserved6;
+ UINT32 Flags;
+} EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE;
+
+///
+/// FADT Version (as defined in ACPI 1.0b specification).
+///
+#define EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION 0x01
+
+#define EFI_ACPI_1_0_INT_MODE_DUAL_PIC 0
+#define EFI_ACPI_1_0_INT_MODE_MULTIPLE_APIC 1
+
+//
+// Fixed ACPI Description Table Fixed Feature Flags
+// All other bits are reserved and must be set to 0.
+//
+#define EFI_ACPI_1_0_WBINVD BIT0
+#define EFI_ACPI_1_0_WBINVD_FLUSH BIT1
+#define EFI_ACPI_1_0_PROC_C1 BIT2
+#define EFI_ACPI_1_0_P_LVL2_UP BIT3
+#define EFI_ACPI_1_0_PWR_BUTTON BIT4
+#define EFI_ACPI_1_0_SLP_BUTTON BIT5
+#define EFI_ACPI_1_0_FIX_RTC BIT6
+#define EFI_ACPI_1_0_RTC_S4 BIT7
+#define EFI_ACPI_1_0_TMR_VAL_EXT BIT8
+#define EFI_ACPI_1_0_DCK_CAP BIT9
+
+///
+/// Firmware ACPI Control Structure.
+///
+typedef struct {
+ UINT32 Signature;
+ UINT32 Length;
+ UINT32 HardwareSignature;
+ UINT32 FirmwareWakingVector;
+ UINT32 GlobalLock;
+ UINT32 Flags;
+ UINT8 Reserved[40];
+} EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE;
+
+///
+/// Firmware Control Structure Feature Flags.
+/// All other bits are reserved and must be set to 0.
+///
+#define EFI_ACPI_1_0_S4BIOS_F BIT0
+
+///
+/// Multiple APIC Description Table header definition. The rest of the table
+/// must be defined in a platform-specific manner.
+///
+typedef struct {
+ EFI_ACPI_DESCRIPTION_HEADER Header;
+ UINT32 LocalApicAddress;
+ UINT32 Flags;
+} EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER;
+
+///
+/// MADT Revision (as defined in ACPI 1.0b specification).
+///
+#define EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION 0x01
+
+///
+/// Multiple APIC Flags
+/// All other bits are reserved and must be set to 0.
+///
+#define EFI_ACPI_1_0_PCAT_COMPAT BIT0
+
+//
+// Multiple APIC Description Table APIC structure types
+// All other values between 0x05 an 0xFF are reserved and
+// will be ignored by OSPM.
+//
+#define EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC 0x00
+#define EFI_ACPI_1_0_IO_APIC 0x01
+#define EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE 0x02
+#define EFI_ACPI_1_0_NON_MASKABLE_INTERRUPT_SOURCE 0x03
+#define EFI_ACPI_1_0_LOCAL_APIC_NMI 0x04
+
+//
+// APIC Structure Definitions
+//
+
+///
+/// Processor Local APIC Structure Definition.
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT8 AcpiProcessorId;
+ UINT8 ApicId;
+ UINT32 Flags;
+} EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE;
+
+///
+/// Local APIC Flags. All other bits are reserved and must be 0.
+///
+#define EFI_ACPI_1_0_LOCAL_APIC_ENABLED BIT0
+
+///
+/// IO APIC Structure.
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT8 IoApicId;
+ UINT8 Reserved;
+ UINT32 IoApicAddress;
+ UINT32 SystemVectorBase;
+} EFI_ACPI_1_0_IO_APIC_STRUCTURE;
+
+///
+/// Interrupt Source Override Structure.
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT8 Bus;
+ UINT8 Source;
+ UINT32 GlobalSystemInterruptVector;
+ UINT16 Flags;
+} EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE;
+
+///
+/// Non-Maskable Interrupt Source Structure.
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT16 Flags;
+ UINT32 GlobalSystemInterruptVector;
+} EFI_ACPI_1_0_NON_MASKABLE_INTERRUPT_SOURCE_STRUCTURE;
+
+///
+/// Local APIC NMI Structure.
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT8 AcpiProcessorId;
+ UINT16 Flags;
+ UINT8 LocalApicInti;
+} EFI_ACPI_1_0_LOCAL_APIC_NMI_STRUCTURE;
+
+///
+/// Smart Battery Description Table (SBST)
+///
+typedef struct {
+ EFI_ACPI_DESCRIPTION_HEADER Header;
+ UINT32 WarningEnergyLevel;
+ UINT32 LowEnergyLevel;
+ UINT32 CriticalEnergyLevel;
+} EFI_ACPI_1_0_SMART_BATTERY_DESCRIPTION_TABLE;
+
+//
+// Known table signatures
+//
+
+///
+/// "RSD PTR " Root System Description Pointer.
+///
+#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE SIGNATURE_64('R', 'S', 'D', ' ', 'P', 'T', 'R', ' ')
+
+///
+/// "APIC" Multiple APIC Description Table.
+///
+#define EFI_ACPI_1_0_APIC_SIGNATURE SIGNATURE_32('A', 'P', 'I', 'C')
+
+///
+/// "DSDT" Differentiated System Description Table.
+///
+#define EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('D', 'S', 'D', 'T')
+
+///
+/// "FACS" Firmware ACPI Control Structure.
+///
+#define EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE SIGNATURE_32('F', 'A', 'C', 'S')
+
+///
+/// "FACP" Fixed ACPI Description Table.
+///
+#define EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('F', 'A', 'C', 'P')
+
+///
+/// "PSDT" Persistent System Description Table.
+///
+#define EFI_ACPI_1_0_PERSISTENT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('P', 'S', 'D', 'T')
+
+///
+/// "RSDT" Root System Description Table.
+///
+#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('R', 'S', 'D', 'T')
+
+///
+/// "SBST" Smart Battery Specification Table.
+///
+#define EFI_ACPI_1_0_SMART_BATTERY_SPECIFICATION_TABLE_SIGNATURE SIGNATURE_32('S', 'B', 'S', 'T')
+
+///
+/// "SSDT" Secondary System Description Table.
+///
+#define EFI_ACPI_1_0_SECONDARY_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('S', 'S', 'D', 'T')
+
+#pragma pack()
+
+#endif
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