/**
Measure and log EFI handoff tables, and extend the measurement result into PCR[1].
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR The operation was unsuccessful.
**/
EFI_STATUS
EFIAPI
MeasureHandoffTables (
VOID
)
{
EFI_STATUS Status;
TCG_PCR_EVENT_HDR TcgEvent;
EFI_HANDOFF_TABLE_POINTERS HandoffTables;
UINTN ProcessorNum;
EFI_CPU_PHYSICAL_LOCATION *ProcessorLocBuf;
ProcessorLocBuf = NULL;
Status = EFI_SUCCESS;
if (PcdGet8 (PcdTpmPlatformClass) == TCG_PLATFORM_TYPE_SERVER) {
//
// Tcg Server spec.
// Measure each processor EFI_CPU_PHYSICAL_LOCATION with EV_TABLE_OF_DEVICES to PCR[1]
//
Status = GetProcessorsCpuLocation(&ProcessorLocBuf, &ProcessorNum);
if (!EFI_ERROR(Status)){
TcgEvent.PCRIndex = 1;
TcgEvent.EventType = EV_TABLE_OF_DEVICES;
TcgEvent.EventSize = sizeof (HandoffTables);
HandoffTables.NumberOfTables = 1;
HandoffTables.TableEntry[0].VendorGuid = gEfiMpServiceProtocolGuid;
HandoffTables.TableEntry[0].VendorTable = ProcessorLocBuf;
Status = TcgDxeHashLogExtendEventI (
&mTcgDxeData,
(UINT8*)(UINTN)ProcessorLocBuf,
sizeof(EFI_CPU_PHYSICAL_LOCATION) * ProcessorNum,
&TcgEvent,
(UINT8*)&HandoffTables
);
FreePool(ProcessorLocBuf);
}
}
return Status;
}
/**
Measure and log EFI handoff tables, and extend the measurement result into PCR[1].
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR The operation was unsuccessful.
**/
EFI_STATUS
EFIAPI
MeasureHandoffTables (
VOID
)
{
EFI_STATUS Status;
SMBIOS_TABLE_ENTRY_POINT *SmbiosTable;
TCG_PCR_EVENT_HDR TcgEvent;
EFI_HANDOFF_TABLE_POINTERS HandoffTables;
UINTN ProcessorNum;
EFI_CPU_PHYSICAL_LOCATION *ProcessorLocBuf;
//
// Measure SMBIOS with EV_EFI_HANDOFF_TABLES to PCR[1]
//
Status = EfiGetSystemConfigurationTable (
&gEfiSmbiosTableGuid,
(VOID **) &SmbiosTable
);
if (!EFI_ERROR (Status)) {
ASSERT (SmbiosTable != NULL);
TcgEvent.PCRIndex = 1;
TcgEvent.EventType = EV_EFI_HANDOFF_TABLES;
TcgEvent.EventSize = sizeof (HandoffTables);
HandoffTables.NumberOfTables = 1;
HandoffTables.TableEntry[0].VendorGuid = gEfiSmbiosTableGuid;
HandoffTables.TableEntry[0].VendorTable = SmbiosTable;
DEBUG ((DEBUG_INFO, "The Smbios Table starts at: 0x%x\n", SmbiosTable->TableAddress));
DEBUG ((DEBUG_INFO, "The Smbios Table size: 0x%x\n", SmbiosTable->TableLength));
Status = TcgDxeHashLogExtendEventI (
&mTcgDxeData,
(UINT8*)(UINTN)SmbiosTable->TableAddress,
SmbiosTable->TableLength,
&TcgEvent,
(UINT8*)&HandoffTables
);
}
if (PcdGet8 (PcdTpmPlatformClass) == TCG_PLATFORM_TYPE_SERVER) {
//
// Tcg Server spec.
// Measure each processor EFI_CPU_PHYSICAL_LOCATION with EV_TABLE_OF_DEVICES to PCR[1]
//
Status = GetProcessorsCpuLocation(&ProcessorLocBuf, &ProcessorNum);
if (!EFI_ERROR(Status)) {
TcgEvent.PCRIndex = 1;
TcgEvent.EventType = EV_TABLE_OF_DEVICES;
TcgEvent.EventSize = sizeof (HandoffTables);
HandoffTables.NumberOfTables = 1;
HandoffTables.TableEntry[0].VendorGuid = gEfiMpServiceProtocolGuid;
HandoffTables.TableEntry[0].VendorTable = ProcessorLocBuf;
Status = TcgDxeHashLogExtendEventI (
&mTcgDxeData,
(UINT8*)(UINTN)ProcessorLocBuf,
sizeof(EFI_CPU_PHYSICAL_LOCATION) * ProcessorNum,
&TcgEvent,
(UINT8*)&HandoffTables
);
FreePool(ProcessorLocBuf);
}
}
return Status;
}
