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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//*************************************************************************
// $Header: /Alaska/SOURCE/Modules/TCG2/Common/AmiTcgPlatform/AmiTcgPlatformPei/AmiTcgPlatformPeiBeforeMem/AmiTcgPlatformPeiBeforeMem.c 1 4/21/14 2:17p Fredericko $
//
// $Revision: 1 $
//
// $Date: 4/21/14 2:17p $
//*************************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/TCG2/Common/AmiTcgPlatform/AmiTcgPlatformPei/AmiTcgPlatformPeiBeforeMem/AmiTcgPlatformPeiBeforeMem.c $
//
// 1 4/21/14 2:17p Fredericko
//
// 1 10/08/13 12:04p Fredericko
// Initial Check-In for Tpm-Next module
//
// 1 7/10/13 5:54p Fredericko
// [TAG] EIP120969
// [Category] New Feature
// [Description] TCG (TPM20)
//
// 8 4/27/12 6:18p Fredericko
//
// 7 1/17/12 11:24a Fredericko
// Install Tpm_Initialized Ppi in PEI
//
// 6 10/24/11 12:27p Fredericko
//
// 5 9/01/11 2:23p Fredericko
// [TAG] EIP66113
// [Category] Improvement
// [Description] Support LTsx on server platforms where startup commands
// are sent by the ACM binaries.
// [Files] AmiTcgPlatformPeiBoardBeforeMem.c
// AmiTcgPlatformPeiLib.c
// AmiTcgPlatformPei.h
//
// 4 4/26/11 1:52p Fredericko
// Added support for function level override of specific functions.
//
// 3 4/01/11 9:34a Fredericko
// Updated function Header
//
// 2 3/29/11 2:22p Fredericko
// [TAG] EIP 54642
// [Category] Improvement
// [Description] 1. Checkin Files related to TCG function override
// 2. Include TCM and TPM auto detection
// [Files] Affects all TCG files
//
//
//
//*************************************************************************
//<AMI_FHDR_START>
//
// Name: AmiTcgPlatformPeiBeforeMem.c
//
// Description: Function file for AmiTcgPlatformPeiBeforeMem
//
//<AMI_FHDR_END>
//*************************************************************************
#include <Efi.h>
#include <Pei.h>
#include <TcgCommon.h>
#include <AmiPeiLib.h>
#include <TcgMisc.h>
#include "PPI\TcgService\TcgTcmService.h"
#include "PPI\TcgService\TcgService.h"
#include "PPI\TpmDevice\TpmDevice.h"
#include "PPI\CpuIo.h"
#include "PPI\LoadFile.h"
#include <Ppi\ReadOnlyVariable.h>
#include "AmiTcgPlatformPei.h"
EFI_GUID gAMITcgPlatformPpiBeforeMemguid = AMI_TCG_PLATFORM_PPI_BEFORE_MEM_GUID;
EFI_GUID gTpmInitializedguid = PEI_TPM_INITIALIZED_PPI_GUID;
static EFI_PEI_PPI_DESCRIPTOR Tpm_Initialized[] =
{
{
EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gTpmInitializedguid, NULL
}
};
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: MemoryAbsentEntry
//
// Description: This function performs TPM MA initialization
//
//
// Input: IN EFI_FFS_FILE_HEADER *FfsHeader
// IN EFI_PEI_SERVICES **PeiServices,
//
// Output: EFI_STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS
MemoryAbsentEntry(
IN EFI_PEI_SERVICES **PeiServices )
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
void *TcgDrvBuffer = NULL;
UINT16 Pages = 0;
EFI_GUID guid = EFI_TCG_MADriver_GUID;
EFI_HOB_GUID_TYPE *MAHobType;
MASTRUCT MAHob;
FAR32LOCALS CommonLegX;
EFI_GUID gEfiTcgMADriverHobGuid = EFI_TCG_MADriver_HOB_GUID;
AMI_TCG_PEI_FUNCTION_OVERRIDE_PPI *PpiOverride;
EFI_GUID Overrideguid = AMI_MEMORY_ABSENT_OVERRIDE_GUID;
EFI_GUID SkipTpmStartupGuid = AMI_SKIP_TPM_STARTUP_GUID;
BOOLEAN SkipTpmStartup = FALSE;
Status = (*PeiServices)->LocatePpi(
PeiServices,
&SkipTpmStartupGuid,
0, NULL,
&PpiOverride);
if(!EFI_ERROR(Status)) {
SkipTpmStartup = TRUE;
}
Status = (*PeiServices)->LocatePpi(
PeiServices,
&Overrideguid,
0, NULL,
&PpiOverride);
if(!EFI_ERROR(Status)){
return (PpiOverride->Function(PeiServices));
}
Status = (*PeiServices)->GetBootMode( PeiServices, &BootMode );
ASSERT_PEI_ERROR( PeiServices, Status );
#if (StartupCmd_SelfTest_State == 1)
if(!AutoSupportType()){
if (!SkipTpmStartup) {
Status = TcgPeiTpmStartup( PeiServices, BootMode );
ASSERT_PEI_ERROR( PeiServices, Status );
}
Status = ContinueTPMSelfTest( PeiServices );
ASSERT_PEI_ERROR( PeiServices, Status );
if(!EFI_ERROR(Status)){
(*PeiServices)->InstallPpi(PeiServices, Tpm_Initialized);
}
if ((BootMode == BOOT_ON_S3_RESUME) || (BootMode == BOOT_IN_RECOVERY_MODE))
{
return Status;
}
}
#else
if ((BootMode == BOOT_ON_S3_RESUME) || (BootMode == BOOT_IN_RECOVERY_MODE))
{
return Status;
}
#endif
if(AutoSupportType()){
Status = FillDriverLocByFile(&CommonLegX.Offset,PeiServices,&guid,&TcgDrvBuffer,(UINTN*)&Pages);
if(EFI_ERROR(Status))return EFI_NOT_FOUND;
if ( CommonLegX.Offset == NULL )
{
return EFI_NOT_FOUND;
}
MAHob.Offset = CommonLegX.Offset;
MAHob.Selector = SEL_flatCS;
MAHob.Codep = ((MPDRIVER_LEGHEADER*)((UINT8*)(TcgDrvBuffer)))->CodeP;
Status = TcgPeiBuildHobGuid(
PeiServices,
&gEfiTcgMADriverHobGuid,
sizeof (MASTRUCT),
&MAHobType );
ASSERT_PEI_ERROR( PeiServices, Status );
MAHobType++;
(*PeiServices)->CopyMem( MAHobType, &MAHob, sizeof (MASTRUCT));
return Status;
}
return EFI_SUCCESS;
}
static AMI_TCG_PLATFORM_PPI_BEFORE_MEM mAmiTcgPlatformPPI = {
MemoryAbsentEntry,
};
static EFI_PEI_PPI_DESCRIPTOR mAmiTcgPlatformPPIListBeforeMem[] = {
{
EFI_PEI_PPI_DESCRIPTOR_PPI
| EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gAMITcgPlatformPpiBeforeMemguid,
&mAmiTcgPlatformPPI
}
};
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: AmiTcgPlatformPEI_EntryBeforeMem
//
// Description: Installs AMIplatform PPI for initialization in PEI before
// memory is installed
//
// Input: IN EFI_FFS_FILE_HEADER *FfsHeader,
// IN EFI_PEI_SERVICES **PeiServices
//
// Output: EFI_STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS
EFIAPI AmiTcgPlatformPEI_EntryBeforeMem(
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
){
EFI_STATUS Status;
Status = (*PeiServices)->InstallPpi( PeiServices, mAmiTcgPlatformPPIListBeforeMem );
return Status;
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
