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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>
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_
#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 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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