123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354 |
- /** @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
- }
|