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UefiCpuPkg/PiSmmCpuDxeSmm: Add support for PCD PcdPteMemoryEncryptionAddressOrMask

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This PCD holds the address mask for page table entries when memory
encryption is enabled on AMD processors supporting the Secure Encrypted
Virtualization (SEV) feature.

The mask is applied when page tables entriees are created or modified.

CC: Jeff Fan <jeff.fan@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Leo Duran <leo.duran@amd.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
This commit is contained in:
Leo Duran
2017-02-27 01:43:07 +08:00
committed by Star Zeng
parent ab1a5a58c9
commit 241f914975
9 changed files with 91 additions and 125 deletions
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2
UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf
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@@ -5,6 +5,7 @@
# provides CPU specific services in SMM.
#
# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -157,6 +158,7 @@
gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmSyncMode ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmStaticPageTable ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiS3Enable ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask ## CONSUMES
[Depex]
gEfiMpServiceProtocolGuid