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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/TCG2/Common/TpmClearOnRollback/TpmClearOnRollbackSmiFlash.c 1 4/21/14 2:18p Fredericko $
//
// $Revision: 1 $
//
// $Date: 4/21/14 2:18p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/TCG2/Common/TpmClearOnRollback/TpmClearOnRollbackSmiFlash.c $
//
// 1 4/21/14 2:18p Fredericko
//
// 1 10/08/13 12:06p Fredericko
// Initial Check-In for Tpm-Next module
//
// 1 7/10/13 5:57p Fredericko
// [TAG] EIP120969
// [Category] New Feature
// [Description] TCG (TPM20)
//**********************************************************************
//<AMI_FHDR_START>
//---------------------------------------------------------------------------
// Name:
//
//
//
//---------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "TpmClearOnRollback.h"
#include <Protocol/AmiPostMgr.h>
CLEAR_TPM_ROLLBACK_PROTOCOL *PrivateProtocol;
EFI_SMM_SYSTEM_TABLE2 *mSmst;
static FW_VERSION Fid;
UINT8 SmiFlashClearTpmBeforeFlash (){
return(ClearTpmBeforeFlash());
}
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: InstallTpmClearProtocolInSmm
//
// Description: InstallTcgSmmFlash Protocol
//
//
// Input: IN EFI_HANDLE ImageHandle,
// IN EFI_SYSTEM_TABLE *SystemTable
//
// Output: EFI_STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS InstallTpmClearProtocolInSmm(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable )
{
EFI_SMM_BASE2_PROTOCOL *SmmBase;
EFI_HANDLE Handle=NULL;
EFI_STATUS Status;
EFI_GUID TpmRollbackSmmGuid = \
AMI_TPM_ROLLBACK_SMM_PROTOCOL_GUID;
Status = pBS->LocateProtocol (&gEfiSmmBase2ProtocolGuid, NULL, &SmmBase);
if((EFI_ERROR(Status)) || (SmmBase == NULL)){
return Status;
}
Status = SmmBase->GetSmstLocation(SmmBase, &mSmst);
if(EFI_ERROR(Status)){
return Status;
}
Status = mSmst->SmmAllocatePool (
EfiRuntimeServicesData,
sizeof (CLEAR_TPM_ON_ROLLBACK),
&PrivateProtocol
);
if((EFI_ERROR(Status)) || (PrivateProtocol == NULL)){
return Status;
}
TpmRecoveryGetFidFromFv(&Fid);
PrivateProtocol->ClearTpmOnRollBack = (VOID *)&SmiFlashClearTpmBeforeFlash;
Status = mSmst->SmmInstallProtocolInterface( &Handle, \
&TpmRollbackSmmGuid, \
EFI_NATIVE_INTERFACE, \
PrivateProtocol );
return Status;
}
//****************************************************** ****************
//<AMI_PHDR_START>
//
// Procedure: TpmClearRollBackSmmInit
//
// Description: Entry point for subcomponent
//
// Input: IN EFI_HANDLE ImageHandle,
// IN EFI_SYSTEM_TABLE *SystemTable
//
// Output: EFI_STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS TpmClearRollBackSmmInit(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable )
{
InitAmiLib( ImageHandle, SystemTable );
return InitSmmHandler( ImageHandle, SystemTable, InstallTpmClearProtocolInSmm, NULL );
}
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
|
