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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/TcgPeiplatform/TcgPeiplatform.c 1 4/21/14 2:18p Fredericko $
//
// $Revision: 1 $
//
// $Date: 4/21/14 2:18p $
//*************************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/TCG2/Common/TcgPeiplatform/TcgPeiplatform.c $
//
// 1 4/21/14 2:18p Fredericko
//
// 1 10/08/13 12:04p Fredericko
// Initial Check-In for Tpm-Next module
//
// 1 7/10/13 5:56p Fredericko
// [TAG] EIP120969
// [Category] New Feature
// [Description] TCG (TPM20)
//
// 5 4/26/11 1:46p Fredericko
// Function call changes to match changes to function header definition
// for Memoryabsent function.
//
// 4 4/04/11 2:14p Fredericko
// Removed #pragma optimization directives
//
// 3 3/29/11 9:18p Fredericko
// Handle TPM memory present errors
//
// 2 3/29/11 1:19p 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: TcgPeiPlatform.c
//
// Description: Function file for TcgPeiPlatform
//
//<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 gAmiTcgPlatformPpiBeforeMem = AMI_TCG_PLATFORM_PPI_BEFORE_MEM_GUID;
EFI_GUID gAmiTcgPlatformPpiAfterMem = AMI_TCG_PLATFORM_PPI_AFTER_MEM_GUID;
EFI_GUID gCacheInstallGuid = EFI_PEI_PERMANENT_MEMORY_INSTALLED_PPI;
EFI_STATUS
EFIAPI OnMemoryDiscovered(
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
IN VOID *Ppi );
static EFI_PEI_NOTIFY_DESCRIPTOR TcgAmiPlatformInitNotify[] =
{
{
EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | \
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gAmiTcgPlatformPpiAfterMem,
OnMemoryDiscovered
}
};
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: OnMemoryDiscovered
//
// Description: Call Memory Present initialization on memory Installation
//
//
// Input: IN EFI_PEI_SERVICES **PeiServices,
// IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
// IN VOID *Ppi
//
// Output: EFI STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS
EFIAPI OnMemoryDiscovered(
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
IN VOID *Ppi )
{
EFI_STATUS Status;
AMI_TCG_PLATFORM_PPI_AFTER_MEM *AmiTcgPlatformPPI = NULL;
EFI_BOOT_MODE BootMode;
Status = (*PeiServices)->LocatePpi (
PeiServices,
&gAmiTcgPlatformPpiAfterMem ,
0,
NULL,
&AmiTcgPlatformPPI);
if ( EFI_ERROR( Status )){
Status = (*PeiServices)->NotifyPpi (PeiServices, \
TcgAmiPlatformInitNotify);
return Status;
}
ASSERT_PEI_ERROR( PeiServices, Status );
Status = (*PeiServices)->GetBootMode( PeiServices, &BootMode );
ASSERT_PEI_ERROR( PeiServices, Status );
Status = AmiTcgPlatformPPI->VerifyTcgVariables(PeiServices);
Status = AmiTcgPlatformPPI->MemoryPresentFunctioOverride(PeiServices);
if(EFI_ERROR(Status))return Status;
if((BootMode == BOOT_ON_S3_RESUME) || (BootMode == BOOT_IN_RECOVERY_MODE)){
return EFI_SUCCESS;
}
Status = AmiTcgPlatformPPI->SetPhysicalPresence(PeiServices);
return (Status);
}
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: TcgPeiPlatformEntry
//
// Description:
//
// Input: IN EFI_FFS_FILE_HEADER *FfsHeader
// IN EFI_PEI_SERVICES **PeiServices,
//
// Output: EFI_STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS
EFIAPI TcgPeiplatformEntry(
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices ){
AMI_TCG_PLATFORM_PPI_BEFORE_MEM *AmiTcgPlatformPPI = NULL;
EFI_STATUS Status;
TCG_PEI_MEMORY_CALLBACK *MemCallback;
Status = (*PeiServices)->LocatePpi (
PeiServices,
&gAmiTcgPlatformPpiBeforeMem,
0,
NULL,
&AmiTcgPlatformPPI);
if(EFI_ERROR(Status)){
return EFI_SUCCESS;
}
AmiTcgPlatformPPI->MemoryAbsentFunctionOverride(PeiServices);
Status = (**PeiServices).AllocatePool(
PeiServices,
sizeof (TCG_PEI_MEMORY_CALLBACK),
&MemCallback);
if ( !EFI_ERROR( Status ))
{
MemCallback->NotifyDesc.Flags
= (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK
| EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);
MemCallback->NotifyDesc.Guid = &gCacheInstallGuid;
MemCallback->NotifyDesc.Notify = OnMemoryDiscovered;
MemCallback->FfsHeader = FfsHeader;
Status = (*PeiServices)->NotifyPpi( PeiServices,
&MemCallback->NotifyDesc );
}
return Status;
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
|
