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authorStefan Berger <stefanb@linux.vnet.ibm.com>2021-09-24 07:42:19 -0400
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2021-10-05 09:54:11 +0000
commit282122ec5fcd9f4dfdea777be2af3a028b401652 (patch)
tree78019da65fa3fcc9b723893f098297aedda9028d /SecurityPkg
parentc49cb8f30e6223dc6b55903af178afa1dfde857f (diff)
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ArmVirtPkg/TPM: Add a NULL implementation of TpmPlatformHierarchyLib
Add a NULL implementation of the library class TpmPlatformHierarchyLib. Link: https://bugzilla.tianocore.org/show_bug.cgi?id=3510 Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Sami Mujawar <sami.mujawar@arm.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Diffstat (limited to 'SecurityPkg')
-rw-r--r--SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c22
-rw-r--r--SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf31
-rw-r--r--SecurityPkg/SecurityPkg.dsc1
3 files changed, 54 insertions, 0 deletions
diff --git a/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
new file mode 100644
index 0000000000..dfc8863830
--- /dev/null
+++ b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
@@ -0,0 +1,22 @@
+/** @file
+ Null TPM Platform Hierarchy configuration library.
+
+ This library provides stub functions for customizing the TPM's Platform Hierarchy.
+
+ Copyright (c) 2021, IBM Corporation.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+
+/**
+ A NULL implementation of ConfigureTpmPlatformHierarchy.
+**/
+VOID
+EFIAPI
+ConfigureTpmPlatformHierarchy (
+ )
+{
+ /* do nothing */
+}
diff --git a/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
new file mode 100644
index 0000000000..1b1e9ad592
--- /dev/null
+++ b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
@@ -0,0 +1,31 @@
+### @file
+# NULL TPM Platform Hierarchy configuration library.
+#
+# This library provides functions for customizing the TPM's Platform Hierarchy
+# Authorization Value (platformAuth) and Platform Hierarchy Authorization
+# Policy (platformPolicy) can be defined through this function.
+#
+# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) Microsoft Corporation.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+###
+
+[Defines]
+ INF_VERSION = 1.27
+ BASE_NAME = BasePlatform
+ FILE_GUID = 8947A3F2-BfB4-45EF-968D-5C40C1CE6A58
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = TpmPlatformHierarchyLib|PEIM DXE_DRIVER
+
+[LibraryClasses]
+ BaseLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ SecurityPkg/SecurityPkg.dec
+
+[Sources]
+ PeiDxeTpmPlatformHierarchyLib.c
diff --git a/SecurityPkg/SecurityPkg.dsc b/SecurityPkg/SecurityPkg.dsc
index f1f678c492..37318c64c5 100644
--- a/SecurityPkg/SecurityPkg.dsc
+++ b/SecurityPkg/SecurityPkg.dsc
@@ -232,6 +232,7 @@
SecurityPkg/Library/HashLibTpm2/HashLibTpm2.inf
SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLib/PeiDxeTpmPlatformHierarchyLib.inf
+ SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
#
# TCG Storage.