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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//**********************************************************************
//
// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/ME/MeWrapper/MeSetup/Dxe/MeSetupDxe.c 5 5/14/14 10:01p Tristinchou $
//
// $Revision: 5 $
//
// $Date: 5/14/14 10:01p $
//
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/ME/MeWrapper/MeSetup/Dxe/MeSetupDxe.c $
//
// 5 5/14/14 10:01p Tristinchou
// [TAG] EIP167030
// [Category] Improvement
// [Description] Remove the variable runtime attribute and keep original
// attributes.
//
// 4 3/14/13 2:39a Klzhan
// Modify for PTT check
//
// 2 2/23/13 1:27a Klzhan
// [TAG] EIPNone
// [Category] Improvement
// [Description] Return SUCCESS in entry point.
//
// 1 2/07/13 2:04a Klzhan
// [TAG] EIP114344
// [Category] Improvement
// [Description] Create a setup item for TPM Device Selection
// [Files] MeSetupDxe.cif
// MeSetupDxe.c
// MeSetupDxe.h
// MeSetupDxe.sdl
// MeSetupDxe.dxs
// MeSetupDxe.mak
//
//
//**********************************************************************
#include "MeSetupDxe.h"
EFI_STATUS
MeSetupDxeEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
UINT32 SetupVarAttr;
UINT32 PttInfoVarAttr;
UINTN VariableSize;
EFI_GUID SetupGuid = SYSTEM_CONFIGURATION_GUID;
EFI_GUID PttInfoVariableGuid = PTT_INFO_VARIABLE_GUID;
SETUP_DATA gSetupData;
PTT_INFO_VARIABLE_DATA gPttInfoVariable;
PCH_SERIES PchSeries = GetPchSeries();
DEBUG ((EFI_D_INFO, "[MeSetupDxe.c] : Entry Point...\n"));
if ( PchSeries != PchLp ) {
return EFI_SUCCESS;
}
PttInfoVarAttr = 0;
VariableSize = sizeof (PTT_INFO_VARIABLE_DATA);
Status = gRT->GetVariable (
L"PttInfoVariable",
&PttInfoVariableGuid,
&PttInfoVarAttr,
&VariableSize,
&gPttInfoVariable );
if( EFI_ERROR(Status) )
PttInfoVarAttr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS;
PttHeciGetCapability(&gPttInfoVariable.PTTCapability);
PttHeciGetState(&gPttInfoVariable.PTTState);
Status = gRT->SetVariable (
L"PttInfoVariable",
&PttInfoVariableGuid,
PttInfoVarAttr,
VariableSize,
&gPttInfoVariable
);
if ( EFI_ERROR (Status) ) {
DEBUG((EFI_D_INFO, "[MeSetupDxe.c] : Failed to Set PttInfoVariable Status = %x\n", Status));
return EFI_SUCCESS;
}
SetupVarAttr = 0;
VariableSize = sizeof (SETUP_DATA);
Status = gRT->GetVariable(
L"Setup",
&SetupGuid,
&SetupVarAttr,
&VariableSize,
&gSetupData );
if ( gPttInfoVariable.PTTCapability ) {
if ( (gSetupData.TpmDeviceSelectionUpdate == 1) && (gPttInfoVariable.PTTState != gSetupData.TpmDeviceSelection) ) {
if ( gSetupData.TpmDeviceSelection == 1 ) {
PttHeciSetState(TRUE);
} else {
PttHeciSetState(FALSE);
}
gSetupData.TpmDeviceSelectionUpdate = 0;
Status = gRT->SetVariable(
L"Setup",
&SetupGuid,
SetupVarAttr,
VariableSize,
&gSetupData );
Status = HeciSendCbmResetRequest (CBM_RR_REQ_ORIGIN_BIOS_POST, CBM_HRR_GLOBAL_RESET);
if( !EFI_ERROR(Status) ) {
EFI_DEADLOOP();
}
}
}
if ( gPttInfoVariable.PTTState ) {
gSetupData.TpmDeviceSelection = 1;
} else {
gSetupData.TpmDeviceSelection = 0;
}
Status = gRT->SetVariable(
L"Setup",
&SetupGuid,
SetupVarAttr,
VariableSize,
&gSetupData );
if ( EFI_ERROR (Status) ) {
DEBUG((EFI_D_INFO, "[MeSetupDxe.c] : Failed to Set SetupVariable Status = %x\n", Status));
return EFI_SUCCESS;
}
DEBUG ((EFI_D_INFO, "[MeSetupDxe.c] : Entry End...\n"));
return EFI_SUCCESS;
}
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
|
