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audk/MdePkg/Include/IndustryStandard/Acpi10.h

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/** @file
ACPI 1.0b definitions from the ACPI Specification, revision 1.0b
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2020, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _ACPI_1_0_H_
#define _ACPI_1_0_H_
#include <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 Descriptor
//
#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 common 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 0x02
//
// 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
//
// Interrupt Vector Flags definitions for Extended Interrupt Descriptor
// Ref ACPI specification 6.4.3.6
//
#define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_PRODUCER_CONSUMER_MASK BIT0
#define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_MODE_MASK BIT1
#define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_POLARITY_MASK BIT2
#define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_SHARABLE_MASK BIT3
#define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_WAKE_CAPABLITY_MASK BIT4
//
// 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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