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/** @file
Initialize Intel TDX support.
Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiPei.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <IndustryStandard/Tdx.h>
#include <IndustryStandard/QemuFwCfg.h>
#include <Library/QemuFwCfgLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/TdxLib.h>
#include <Library/TdxHelperLib.h>
#include <Library/PlatformInitLib.h>
#include <WorkArea.h>
#include <ConfidentialComputingGuestAttr.h>
#include "Platform.h"
/**
This Function checks if TDX is available, if present then it sets
the dynamic PCDs for Tdx guest.
**/
VOID
IntelTdxInitialize (
VOID
)
{
#ifdef MDE_CPU_X64
RETURN_STATUS PcdStatus;
if (!TdIsEnabled ()) {
return;
}
TdxHelperBuildGuidHobForTdxMeasurement ();
PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrIntelTdx);
ASSERT_RETURN_ERROR (PcdStatus);
PcdStatus = PcdSet64S (PcdTdxSharedBitMask, TdSharedPageMask ());
ASSERT_RETURN_ERROR (PcdStatus);
PcdStatus = PcdSetBoolS (PcdSetNxForStack, TRUE);
ASSERT_RETURN_ERROR (PcdStatus);
#endif
}
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