包含“backdoor”字样的英特尔泄露代码的初步分析

by 安天 cert, at 09 August 2020, tags : 点击纠错 点击删除

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typedefstruct {

// IOAPIC Start

UINT32 PlatformId;

UINT32 IoApicEnable;

UINT8 ApicIdOverrided :1;

UINT8 RES0 :7;

// IOAPIC End

// Power Management Start

UINT8 Rsvd_Pms_0 :1;

UINT8 CStateEnable :1;

UINT8 C3Enable :1;

UINT8 C6Enable :1;

UINT8 C7Enable :1;

UINT8 MonitorMwaitEnable :1;

UINT8 PStateEnable :1;

UINT8 EmcaEn :1;

UINT8 HWAllEnable :2;

UINT8 KBPresent :1;

UINT8 MousePresent :1;

UINT8 TStateEnable :1;

UINT8 TStateFineGrained: 1;

UINT8 OSCX :1;

UINT8 RESX :1;

// Power Management End

// RAS Start

UINT8 CpuChangeMask;

UINT8 IioChangeMask;

UINT64 IioPresentBitMask;

UINT32 SocketBitMask; //make sure this is at 4byte boundary

UINT32 ProcessorApicIdBase[8];

UINT64 ProcessorBitMask[8];

UINT16 MemoryBoardBitMask;

UINT16 MemoryBoardChgEvent;

UINT32 MmCfg;

UINT32 TsegSize;

UINT64 MemoryBoardBase[8];

UINT64 MemoryBoardRange[8];

UINT32 SmiRequestParam[4];

UINT32 SciRequestParam[4];

UINT64 MigrationActionRegionAddress;

UINT8 Cpu0Uuid[16];

UINT8 Cpu1Uuid[16];

UINT8 Cpu2Uuid[16];

UINT8 Cpu3Uuid[16];

UINT8 Cpu4Uuid[16];

UINT8 Cpu5Uuid[16];

UINT8 Cpu6Uuid[16];

UINT8 Cpu7Uuid[16];

UINT8 CpuSpareMask;

UINT8 Mem0Uuid[16];

UINT8 Mem1Uuid[16];

UINT8 Mem2Uuid[16];

UINT8 Mem3Uuid[16];

UINT8 Mem4Uuid[16];

UINT8 Mem5Uuid[16];

UINT8 Mem6Uuid[16];

UINT8 Mem7Uuid[16];

UINT8 Mem8Uuid[16];

UINT8 Mem9Uuid[16];

UINT8 Mem10Uuid[16];

UINT8 Mem11Uuid[16];

UINT8 Mem12Uuid[16];

UINT8 Mem13Uuid[16];

UINT8 Mem14Uuid[16];

UINT8 Mem15Uuid[16];

UINT16 MemSpareMask;

UINT64 EmcaL1DirAddr;

UINT32 ProcessorId;

UINT8 PcieAcpiHotPlugEnable;

// RAS End

// VTD Start

UINT64 DrhdAddr[3];

UINT64 AtsrAddr[3];

UINT64 RhsaAddr[3];

// VTD End

// BIOS Guard Start

UINT8 CpuSkuNumOfBitShift;

// BIOS Guard End

// USB3 Start

UINT8 XhciMode;

UINT8 HostAlertVector1;

UINT8 HostAlertVector2;

// USB3 End

// HWPM Start

UINT8 HWPMEnable:2; //HWPM

UINT8 AutoCstate:1; //HWPM

UINT8 HwpInterrupt:1; //HWP Interrupt

UINT8 RES1:4; //reserved bits

// HWPM End

// PCIe Multi-Seg Start

// for 8S support needs max 32 IIO IOxAPIC being enabled!

UINT8 BusBase[48]; // MAX_SOCKET * MAX_IIO_STACK. Note: hardcode

due to ASL constraint.

UINT8 PCIe_MultiSeg_Support; // Enable /Disable switch

// for 8S support needs matching to MAX_SOCKET!

UINT8 PcieSegNum[8]; // Segment number array. Must match

MAX_SOCKET. Note: hardcode due to ASL constraint.

// PCIe Multi-seg end

// Performance Start

UINT8 SncAnd2Cluster; //1=SncEn and NumCluster=2, otherwise 0

// Performance End

} BIOS_ACPI_PARAM;