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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/TcgPei/xTcgPei.c 1 4/21/14 2:16p Fredericko $
//
// $Revision: 1 $
//
// $Date: 4/21/14 2:16p $
//*************************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/TCG2/Common/TcgPei/xTcgPei.c $
//
// 1 4/21/14 2:16p Fredericko
//
// 1 10/08/13 12:02p Fredericko
// Initial Check-In for Tpm-Next module
//
// 2 10/03/13 1:54p Fredericko
//
// 1 7/10/13 5:51p Fredericko
// [TAG] EIP120969
// [Category] New Feature
// [Description] TCG (TPM20)
//
// 36 9/19/12 10:34a Fredericko
// [TAG] EIP90807
// [Category] Improvement
// [Description] MonotonicCounter variable guid changed.
// [Files] xTcgPei.c, AmiTcgPlatformPeiAfterMem.c
//
// 35 3/19/12 6:27p Fredericko
// [TAG] EIP82769
// [Description] Firmware updates disable the TPM when Firmware update
// is done
// [Files] TcgDxe.c, xTcgDxe.c, xTcgPei.c
//
// 34 12/12/11 3:17p Fredericko
// [TAG] EIP76865
// [Category] Improvement
// [Description] Dual Support for TCM and TPM. System could hang in TXT
// if txt is enabled in setup
// [Files]
// AmiTcgPlatfompeilib.c, AmiTcgPlatformPpi.cif, AmiTcgPlatformPpi.h,
// AmiTcgPlatformProtocol.cif, AmiTcgPlatformProtocol.h,
// EMpTcmPei.c, TcgDxe.cif, TcgPei.cif, TcgPeiAfterMem.cif,
// TcgPeiAfterMem.mak, TcgTcmPeiAfterMem.c, xTcgDxe.c, xTcgPei.c,
// xTcgPeiAfterMem.c
//
// 33 9/27/11 10:21p Fredericko
// [TAG] EIP67286
// [Category] Improvement
// [Description] changes for Tcg Setup policy
// [Files] Tcg.sdl
// TcgPei.cif
// TcgPei.mak
// xtcgPei.c
// xTcgPeiAfterMem.c
// TcgPeiAfterMem.mak
// TcgDxe.cif
// TcgDxe.mak
// xTcgDxe.c
// AmiTcgPlatformPeilib.c
// AmiTcgPlatformDxelib.c
//
// 32 4/27/11 3:01p Fredericko
// removed VFR compile directive
//
// 31 3/29/11 12:57p Fredericko
//
// 30 3/28/11 2:14p 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
//
// 29 5/19/10 5:53p Fredericko
// Included File Header
// Included File Revision History
// Updated AMI Function Headers
// Code Beautification
// EIP 37653
//
//*************************************************************************
//<AMI_FHDR_START>
//
// Name: xTcgPei.c
//
// Description:
// Contians entry point function for TcgPei Subcomponent
//
//<AMI_FHDR_END>
//*************************************************************************
#include <Efi.h>
#include <Pei.h>
#include <TcgCommon.h>
#include <AmiPeiLib.h>
#include <TcgMisc.h>
#include <ppi\AmiTcgPlatformPpi.h>
#include "PPI\TcgService\TcgService.h"
#include "PPI\TpmDevice\TpmDevice.h"
#include "PPI\CpuIo.h"
#include "PPI\LoadFile.h"
#include "TcgPlatformSetupPeiPolicy.h"
#include "Tpm20Includes\Tpm20.h"
#include "Tpm20CRBLib.h"
EFI_GUID gTcgPpiGuid = PEI_TCG_PPI_GUID;
EFI_GUID gPlatformGuid = AMI_TCG_PLATFORM_PPI_GUID;
EFI_STATUS
EFIAPI TpmPeiEntry (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices );
EFI_STATUS
EFIAPI TcmPeiEntry (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices );
EFI_STATUS
EFIAPI TcgPeiEntry (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices );
EFI_STATUS
EFIAPI TcgTcmPeiEntry (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices );
EFI_STATUS TcgPeiBuildHobGuid(
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_GUID *Guid,
IN UINTN DataLength,
OUT VOID **Hob );
EFI_STATUS
EFIAPI Tpm20CrbEntry(
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices );
UINT8 GetPlatformSupportType()
{
return (AutoSupportType());
}
static AMI_TCG_PLATFORM_PPI PlatformTypePpi = {
GetPlatformSupportType
};
static EFI_PEI_PPI_DESCRIPTOR mPlatformPpiList[] = {
{
EFI_PEI_PPI_DESCRIPTOR_PPI
| EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gPlatformGuid,
&PlatformTypePpi
}
};
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: CommonTcgPeiEntryPoint
//
// Description: Entry point for Tcg PEI component
//
//
// Input: IN EFI_FFS_FILE_HEADER *FfsHeader
// IN EFI_PEI_SERVICES **PeiServices,
//
// Output: EFI_STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS
EFIAPI CommonTcgPeiEntryPoint(
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices )
{
EFI_STATUS Status;
VOID *Context = NULL;
BOOLEAN DeviceType = FALSE;
TCG_PLATFORM_SETUP_INTERFACE *TcgPeiPolicy = NULL;
EFI_GUID gTcgPeiPolicyGuid =\
TCG_PLATFORM_SETUP_PEI_POLICY_GUID;
TCG_CONFIGURATION ConfigFlags;
CHAR16 Monotonic[] = L"MonotonicCounter";
#if defined(CORE_COMBINED_VERSION) && (CORE_COMBINED_VERSION > 262797)
EFI_GUID Guid = AMI_GLOBAL_VARIABLE_GUID;
#else
EFI_GUID Guid = EFI_GLOBAL_VARIABLE;
#endif
EFI_GUID TcgGuid = AMI_TCG_RESETVAR_HOB_GUID;
UINTN Size = sizeof(UINT32);
UINT32 Counter;
EFI_PEI_READ_ONLY_VARIABLE_PPI *ReadOnlyVariable;
EFI_HOB_GUID_TYPE *Hob;
BOOLEAN ResetAllTcgVar = FALSE;
EFI_GUID gTcgReadOnlyVariablePpiGuid
= EFI_TCG_PEI_READ_ONLY_VARIABLE_PPI_GUID;
Status = (*PeiServices)->InstallPpi( PeiServices, &mPlatformPpiList[0] );
if ( EFI_ERROR( Status ))
{
return EFI_UNLOAD_IMAGE;
}
Status = (*PeiServices)->LocatePpi(
PeiServices,
&gTcgPeiPolicyGuid,
0, NULL,
&TcgPeiPolicy);
if(EFI_ERROR(Status) || TcgPeiPolicy == NULL )return Status;
Status = (*PeiServices)->LocatePpi(
PeiServices,
&gTcgReadOnlyVariablePpiGuid,
0, NULL,
&ReadOnlyVariable
);
if(EFI_ERROR(Status) || ReadOnlyVariable == NULL )return Status;
Status = ReadOnlyVariable->GetVariable( PeiServices, Monotonic, &Guid,
NULL, &Size, &Counter );
if ( EFI_ERROR( Status ))
{
ResetAllTcgVar = TRUE;
Status = TcgPeiBuildHobGuid(
PeiServices,
&TcgGuid,
sizeof (BOOLEAN),
&Hob );
Hob++;
(*PeiServices)->CopyMem( Hob, &ResetAllTcgVar, sizeof (ResetAllTcgVar));
}
if(!AutoSupportType()){
Status = TpmPeiEntry( FfsHeader, PeiServices );
PEI_TRACE((-1, PeiServices, "TpmPeiEntry results = %r \n", Status));
if ( EFI_ERROR( Status )){
return Status;
}
}else{
Status = TcmPeiEntry( FfsHeader, PeiServices );
if ( EFI_ERROR( Status )){
return Status;}
}
PEI_TRACE((-1, PeiServices, "before getTcgPeiPolicy\n"));
Status = TcgPeiPolicy->getTcgPeiPolicy(PeiServices, &ConfigFlags);
PEI_TRACE((-1, PeiServices, "getTcgPeiPolicy results = %r \n", Status));
if ( ConfigFlags.TpmSupport == 0x00 || EFI_ERROR( Status ))
{
PEI_TRACE((-1, PeiServices, "ConfigFlags.TpmSupport == 0x00 || EFI_ERROR( Status )\n"));
return EFI_SUCCESS;
}
PEI_TRACE((-1, PeiServices, "TcgPeiEntry processing\n"));
if(!AutoSupportType()){
Status = TcgPeiEntry( FfsHeader, PeiServices );
PEI_TRACE((-1, PeiServices, "TcgPeiEntry result = %r\n", Status));
if(EFI_ERROR(Status)){
PEI_TRACE((-1, PeiServices, "Tpm20CrbEntry Execution\n", Status));
Tpm20CrbEntry(FfsHeader, PeiServices );
}
}else{
Status = TcgTcmPeiEntry( FfsHeader, PeiServices );
}
return Status;
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
|
