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/** @file
Defives data structures per MultiProcessor Specification Ver 1.4.
The MultiProcessor Specification defines an enhancement to the standard
to which PC manufacturers design DOS-compatible systems.
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _LEGACY_BIOS_MPTABLE_H_
#define _LEGACY_BIOS_MPTABLE_H_
#define EFI_LEGACY_MP_TABLE_REV_1_4 0x04
//
// Define MP table structures. All are packed.
//
#pragma pack(1)
#define EFI_LEGACY_MP_TABLE_FLOATING_POINTER_SIGNATURE SIGNATURE_32 ('_', 'M', 'P', '_')
typedef struct {
UINT32 Reserved1 : 6;
UINT32 MutipleClk : 1;
UINT32 Imcr : 1;
UINT32 Reserved2 : 24;
} FEATUREBYTE2_5;
typedef struct {
UINT32 Signature;
UINT32 PhysicalAddress;
UINT8 Length;
UINT8 SpecRev;
UINT8 Checksum;
UINT8 FeatureByte1;
FEATUREBYTE2_5 FeatureByte2_5;
} EFI_LEGACY_MP_TABLE_FLOATING_POINTER;
#define EFI_LEGACY_MP_TABLE_HEADER_SIGNATURE SIGNATURE_32 ('P', 'C', 'M', 'P')
typedef struct {
UINT32 Signature;
UINT16 BaseTableLength;
UINT8 SpecRev;
UINT8 Checksum;
CHAR8 OemId[8];
CHAR8 OemProductId[12];
UINT32 OemTablePointer;
UINT16 OemTableSize;
UINT16 EntryCount;
UINT32 LocalApicAddress;
UINT16 ExtendedTableLength;
UINT8 ExtendedChecksum;
UINT8 Reserved;
} EFI_LEGACY_MP_TABLE_HEADER;
typedef struct {
UINT8 EntryType;
} EFI_LEGACY_MP_TABLE_ENTRY_TYPE;
//
// Entry Type 0: Processor.
//
#define EFI_LEGACY_MP_TABLE_ENTRY_TYPE_PROCESSOR 0x00
typedef struct {
UINT8 Enabled : 1;
UINT8 Bsp : 1;
UINT8 Reserved : 6;
} EFI_LEGACY_MP_TABLE_ENTRY_PROCESSOR_FLAGS;
typedef struct {
UINT32 Stepping : 4;
UINT32 Model : 4;
UINT32 Family : 4;
UINT32 Reserved : 20;
} EFI_LEGACY_MP_TABLE_ENTRY_PROCESSOR_SIGNATURE;
typedef struct {
UINT32 Fpu : 1;
UINT32 Reserved1 : 6;
UINT32 Mce : 1;
UINT32 Cx8 : 1;
UINT32 Apic : 1;
UINT32 Reserved2 : 22;
} EFI_LEGACY_MP_TABLE_ENTRY_PROCESSOR_FEATURES;
typedef struct {
UINT8 EntryType;
UINT8 Id;
UINT8 Ver;
EFI_LEGACY_MP_TABLE_ENTRY_PROCESSOR_FLAGS Flags;
EFI_LEGACY_MP_TABLE_ENTRY_PROCESSOR_SIGNATURE Signature;
EFI_LEGACY_MP_TABLE_ENTRY_PROCESSOR_FEATURES Features;
UINT32 Reserved1;
UINT32 Reserved2;
} EFI_LEGACY_MP_TABLE_ENTRY_PROCESSOR;
//
// Entry Type 1: Bus.
//
#define EFI_LEGACY_MP_TABLE_ENTRY_TYPE_BUS 0x01
typedef struct {
UINT8 EntryType;
UINT8 Id;
CHAR8 TypeString[6];
} EFI_LEGACY_MP_TABLE_ENTRY_BUS;
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_CBUS "CBUS " // Corollary CBus
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_CBUSII "CBUSII" // Corollary CBUS II
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_EISA "EISA " // Extended ISA
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_FUTURE "FUTURE" // IEEE FutureBus
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_INTERN "INTERN" // Internal bus
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_ISA "ISA " // Industry Standard Architecture
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_MBI "MBI " // Multibus I
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_MBII "MBII " // Multibus II
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_MCA "MCA " // Micro Channel Architecture
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_MPI "MPI " // MPI
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_MPSA "MPSA " // MPSA
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_NUBUS "NUBUS " // Apple Macintosh NuBus
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_PCI "PCI " // Peripheral Component Interconnect
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_PCMCIA "PCMCIA" // PC Memory Card International Assoc.
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_TC "TC " // DEC TurboChannel
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_VL "VL " // VESA Local Bus
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_VME "VME " // VMEbus
#define EFI_LEGACY_MP_TABLE_ENTRY_BUS_STRING_XPRESS "XPRESS" // Express System Bus
//
// Entry Type 2: I/O APIC.
//
#define EFI_LEGACY_MP_TABLE_ENTRY_TYPE_IOAPIC 0x02
typedef struct {
UINT8 Enabled : 1;
UINT8 Reserved : 7;
} EFI_LEGACY_MP_TABLE_ENTRY_IOAPIC_FLAGS;
typedef struct {
UINT8 EntryType;
UINT8 Id;
UINT8 Ver;
EFI_LEGACY_MP_TABLE_ENTRY_IOAPIC_FLAGS Flags;
UINT32 Address;
} EFI_LEGACY_MP_TABLE_ENTRY_IOAPIC;
//
// Entry Type 3: I/O Interrupt Assignment.
//
#define EFI_LEGACY_MP_TABLE_ENTRY_TYPE_IO_INT 0x03
typedef struct {
UINT16 Polarity : 2;
UINT16 Trigger : 2;
UINT16 Reserved : 12;
} EFI_LEGACY_MP_TABLE_ENTRY_INT_FLAGS;
typedef struct {
UINT8 IntNo : 2;
UINT8 Dev : 5;
UINT8 Reserved : 1;
} EFI_LEGACY_MP_TABLE_ENTRY_INT_FIELDS;
typedef union {
EFI_LEGACY_MP_TABLE_ENTRY_INT_FIELDS fields;
UINT8 byte;
} EFI_LEGACY_MP_TABLE_ENTRY_INT_SOURCE_BUS_IRQ;
typedef struct {
UINT8 EntryType;
UINT8 IntType;
EFI_LEGACY_MP_TABLE_ENTRY_INT_FLAGS Flags;
UINT8 SourceBusId;
EFI_LEGACY_MP_TABLE_ENTRY_INT_SOURCE_BUS_IRQ SourceBusIrq;
UINT8 DestApicId;
UINT8 DestApicIntIn;
} EFI_LEGACY_MP_TABLE_ENTRY_IO_INT;
typedef enum {
EfiLegacyMpTableEntryIoIntTypeInt = 0,
EfiLegacyMpTableEntryIoIntTypeNmi = 1,
EfiLegacyMpTableEntryIoIntTypeSmi = 2,
EfiLegacyMpTableEntryIoIntTypeExtInt= 3,
} EFI_LEGACY_MP_TABLE_ENTRY_IO_INT_TYPE;
typedef enum {
EfiLegacyMpTableEntryIoIntFlagsPolaritySpec = 0x0,
EfiLegacyMpTableEntryIoIntFlagsPolarityActiveHigh = 0x1,
EfiLegacyMpTableEntryIoIntFlagsPolarityReserved = 0x2,
EfiLegacyMpTableEntryIoIntFlagsPolarityActiveLow = 0x3,
} EFI_LEGACY_MP_TABLE_ENTRY_IO_INT_FLAGS_POLARITY;
typedef enum {
EfiLegacyMpTableEntryIoIntFlagsTriggerSpec = 0x0,
EfiLegacyMpTableEntryIoIntFlagsTriggerEdge = 0x1,
EfiLegacyMpTableEntryIoIntFlagsTriggerReserved = 0x2,
EfiLegacyMpTableEntryIoIntFlagsTriggerLevel = 0x3,
} EFI_LEGACY_MP_TABLE_ENTRY_IO_INT_FLAGS_TRIGGER;
//
// Entry Type 4: Local Interrupt Assignment.
//
#define EFI_LEGACY_MP_TABLE_ENTRY_TYPE_LOCAL_INT 0x04
typedef struct {
UINT8 EntryType;
UINT8 IntType;
EFI_LEGACY_MP_TABLE_ENTRY_INT_FLAGS Flags;
UINT8 SourceBusId;
EFI_LEGACY_MP_TABLE_ENTRY_INT_SOURCE_BUS_IRQ SourceBusIrq;
UINT8 DestApicId;
UINT8 DestApicIntIn;
} EFI_LEGACY_MP_TABLE_ENTRY_LOCAL_INT;
typedef enum {
EfiLegacyMpTableEntryLocalIntTypeInt = 0,
EfiLegacyMpTableEntryLocalIntTypeNmi = 1,
EfiLegacyMpTableEntryLocalIntTypeSmi = 2,
EfiLegacyMpTableEntryLocalIntTypeExtInt = 3,
} EFI_LEGACY_MP_TABLE_ENTRY_LOCAL_INT_TYPE;
typedef enum {
EfiLegacyMpTableEntryLocalIntFlagsPolaritySpec = 0x0,
EfiLegacyMpTableEntryLocalIntFlagsPolarityActiveHigh= 0x1,
EfiLegacyMpTableEntryLocalIntFlagsPolarityReserved = 0x2,
EfiLegacyMpTableEntryLocalIntFlagsPolarityActiveLow = 0x3,
} EFI_LEGACY_MP_TABLE_ENTRY_LOCAL_INT_FLAGS_POLARITY;
typedef enum {
EfiLegacyMpTableEntryLocalIntFlagsTriggerSpec = 0x0,
EfiLegacyMpTableEntryLocalIntFlagsTriggerEdge = 0x1,
EfiLegacyMpTableEntryLocalIntFlagsTriggerReserved = 0x2,
EfiLegacyMpTableEntryLocalIntFlagsTriggerLevel = 0x3,
} EFI_LEGACY_MP_TABLE_ENTRY_LOCAL_INT_FLAGS_TRIGGER;
//
// Entry Type 128: System Address Space Mapping.
//
#define EFI_LEGACY_MP_TABLE_ENTRY_EXT_TYPE_SYS_ADDR_SPACE_MAPPING 0x80
typedef struct {
UINT8 EntryType;
UINT8 Length;
UINT8 BusId;
UINT8 AddressType;
UINT64 AddressBase;
UINT64 AddressLength;
} EFI_LEGACY_MP_TABLE_ENTRY_EXT_SYS_ADDR_SPACE_MAPPING;
typedef enum {
EfiLegacyMpTableEntryExtSysAddrSpaceMappingIo = 0,
EfiLegacyMpTableEntryExtSysAddrSpaceMappingMemory = 1,
EfiLegacyMpTableEntryExtSysAddrSpaceMappingPrefetch = 2,
} EFI_LEGACY_MP_TABLE_ENTRY_EXT_SYS_ADDR_SPACE_MAPPING_TYPE;
//
// Entry Type 129: Bus Hierarchy.
//
#define EFI_LEGACY_MP_TABLE_ENTRY_EXT_TYPE_BUS_HIERARCHY 0x81
typedef struct {
UINT8 SubtractiveDecode : 1;
UINT8 Reserved : 7;
} EFI_LEGACY_MP_TABLE_ENTRY_EXT_BUS_HIERARCHY_BUSINFO;
typedef struct {
UINT8 EntryType;
UINT8 Length;
UINT8 BusId;
EFI_LEGACY_MP_TABLE_ENTRY_EXT_BUS_HIERARCHY_BUSINFO BusInfo;
UINT8 ParentBus;
UINT8 Reserved1;
UINT8 Reserved2;
UINT8 Reserved3;
} EFI_LEGACY_MP_TABLE_ENTRY_EXT_BUS_HIERARCHY;
//
// Entry Type 130: Compatibility Bus Address Space Modifier.
//
#define EFI_LEGACY_MP_TABLE_ENTRY_EXT_TYPE_COMPAT_BUS_ADDR_SPACE_MODIFIER 0x82
typedef struct {
UINT8 RangeMode : 1;
UINT8 Reserved : 7;
} EFI_LEGACY_MP_TABLE_ENTRY_EXT_COMPAT_BUS_ADDR_SPACE_MODIFIER_ADDR_MODE;
typedef struct {
UINT8 EntryType;
UINT8 Length;
UINT8 BusId;
EFI_LEGACY_MP_TABLE_ENTRY_EXT_COMPAT_BUS_ADDR_SPACE_MODIFIER_ADDR_MODE AddrMode;
UINT32 PredefinedRangeList;
} EFI_LEGACY_MP_TABLE_ENTRY_EXT_COMPAT_BUS_ADDR_SPACE_MODIFIER;
#pragma pack()
#endif
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