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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2013, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/FIT/Dxe/BootGuardDxe.c 1 2/25/13 1:11a Bensonlai $
//
// $Revision: 1 $
//
// $Date: 2/25/13 1:11a $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/FIT/Dxe/BootGuardDxe.c $
//
// 1 2/25/13 1:11a Bensonlai
// [TAG] EIP114386
// [Category] Spec Update
// [Severity] Important
// [Description] [SBY] Ultrabook for Shark Bay Platform - : Boot Guard
// for 4th Gen Intel Core Processor based on Mobile U-Processor Line -
// BIOS Writer's Guide - Rev 0.8.1
// [Files] BootGuardDxe.cif
// BootGuardDxe.c
// BootGuardDxe.h
// BootGuardDxe.sdl
// BootGuardDxe.dxs
// BootGuardDxe.mak
//
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: BootGuardDxe.c
//
// Description: Chain of trust for Dxe
//
//<AMI_FHDR_END>
//**********************************************************************
#include "BootGuardDxe.h"
VOID
BootGuardDxeCallback (
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_INPUT_KEY Key;
EFI_STATUS Status;
gST->ConOut->ClearScreen (gST->ConOut);
gST->ConOut->OutputString (
gST->ConOut,
L"Anchor Cove verified DXE that is fail\n\r"
);
gST->ConOut->OutputString (
gST->ConOut,
L"System will shutdown\n\r"
);
gST->ConOut->OutputString (
gST->ConOut,
L"Press any key\n\r"
);
do {
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
} while (Status != EFI_SUCCESS);
gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, 0, NULL);
EFI_DEADLOOP ();
gBS->CloseEvent (Event);
}
VOID
BootGuardDxeRegisterCallBack (
VOID
)
{
EFI_EVENT Event;
VOID *NotifyReg;
EFI_STATUS Status;
Status = gBS->CreateEvent (
EFI_EVENT_NOTIFY_SIGNAL,
EFI_TPL_CALLBACK,
BootGuardDxeCallback,
NULL,
&Event
);
if ( EFI_ERROR(Status) ) {
ASSERT_EFI_ERROR (Status);
return;
}
Status = gBS->RegisterProtocolNotify (
&gNotifyProtocolGuid ,
Event,
&NotifyReg
);
if ( EFI_ERROR(Status) ) {
ASSERT_EFI_ERROR (Status);
return;
}
return;
}
EFI_STATUS
BootGuardDxeEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_GUID AmiBootGuardHobGuid = AMI_ANCHOR_COVE_HOB_GUID;
AMI_ANCHOR_COVE_HOB *AmiBootGuardHobPtr;
PCH_SERIES PchSeries = GetPchSeries();
EFI_BOOT_MODE BootMode;
EFI_PEI_HOB_POINTERS HobList;
if ( PchSeries != PchLp ) {
return EFI_SUCCESS;
}
if ( IsBootGuardSupported() == FALSE ) {
return EFI_SUCCESS;
}
DEBUG ((EFI_D_INFO, "[BootGuardDxe.c] : Entry Point...\n"));
//
// Check Boot Type
//
EfiGetSystemConfigurationTable (&gEfiHobListGuid, (VOID **) &HobList.Raw);
if (HobList.Header->HobType != EFI_HOB_TYPE_HANDOFF) {
DEBUG ((EFI_D_ERROR, "[BootGuardDxe.c] : Get HOB fail\n"));
return EFI_SUCCESS;
}
BootMode = HobList.HandoffInformationTable->BootMode;
if ( BootMode == BOOT_IN_RECOVERY_MODE ) {
DEBUG ((EFI_D_ERROR, "[BootGuardDxe.c] : In the BOOT_IN_RECOVERY_MODE\n"));
return EFI_SUCCESS;
}
AmiBootGuardHobPtr = GetFirstGuidHob (&AmiBootGuardHobGuid);
if (AmiBootGuardHobPtr == NULL) {
DEBUG ((EFI_D_ERROR, "[BootGuardDxe.c] : AmiBootGuard DXE Hob not available\n"));
return EFI_NOT_FOUND;
}
if ( AmiBootGuardHobPtr->AmiBootGuardVerificationforPEItoDXEFlag == 0 ) {
BootGuardDxeRegisterCallBack();
}
DEBUG ((EFI_D_INFO, "[BootGuardDxe.c] : Entry End...\n"));
return EFI_SUCCESS;
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2013, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
