From: Michael Kubacki <michael.kubacki@...>

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3D3540

Adds a NULL instance of SmmAccessLib.

Cc: Ray Ni <ray.ni@...>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@...>
Signed-off-by: Michael Kubacki <michael.kubacki@...>
---
Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAccessLib=
Null/BaseSmmAccessLibNull.c | 33 ++++++++++++++++++++
Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAccessLib=
Null/BaseSmmAccessLibNull.inf | 26 +++++++++++++++
Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc =
| 1 +
3 files changed, 60 insertions(+)

diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/Base=
SmmAccessLibNull/BaseSmmAccessLibNull.c b/Silicon/Intel/IntelSiliconPkg/F=
eature/SmmAccess/Library/BaseSmmAccessLibNull/BaseSmmAccessLibNull.c
new file mode 100644
index 000000000000..f5ad306b380b
--- /dev/null
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAcce=
ssLibNull/BaseSmmAccessLibNull.c
@@ -0,0 +1,33 @@
+/** @file
+ A NULL library instance of SmmAccessLib.
+
+ Copyright (c) 2019 - 2020, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) Microsoft Corporation.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <Library/DebugLib.h>
+#include <Library/SmmAccessLib.h>
+
+/**
+ This function is to install an SMM Access PPI
+
+ @retval EFI_SUCCESS - Ppi successfully started and installed=
.
+ @retval EFI_NOT_FOUND - Ppi can't be found.
+ @retval EFI_OUT_OF_RESOURCES - Ppi does not have enough resources to =
initialize the driver.
+ @retval EFI_UNSUPPORTED - The PPI was not installed and installa=
tion is unsupported in
+ this instance of function implementati=
on.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiInstallSmmAccessPpi (
+ VOID
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/Base=
SmmAccessLibNull/BaseSmmAccessLibNull.inf b/Silicon/Intel/IntelSiliconPkg=
/Feature/SmmAccess/Library/BaseSmmAccessLibNull/BaseSmmAccessLibNull.inf
new file mode 100644
index 000000000000..7fd3b0b89655
--- /dev/null
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAcce=
ssLibNull/BaseSmmAccessLibNull.inf
@@ -0,0 +1,26 @@
+## @file
+# A NULL library instance of SmmAccessLib.
+#
+# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) Microsoft Corporation.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+INF_VERSION =3D 0x00010017
+BASE_NAME =3D BaseSmmAccessLibNull
+FILE_GUID =3D C1A14AB6-B757-4046-9B92-9DCE1A2154C6
+VERSION_STRING =3D 1.0
+MODULE_TYPE =3D BASE
+LIBRARY_CLASS =3D SmmAccessLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ IntelSiliconPkg/IntelSiliconPkg.dec
+
+[LibraryClasses]
+ DebugLib
+
+[Sources]
+ BaseSmmAccessLibNull.c
diff --git a/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc b/Silicon/=
Intel/IntelSiliconPkg/IntelSiliconPkg.dsc
index 1092371d848e..dd0928ec58f3 100644
--- a/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc
+++ b/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc
@@ -90,6 +90,7 @@ [Components]
IntelSiliconPkg/Feature/Capsule/MicrocodeUpdateDxe/MicrocodeUpdateDxe.=
inf
IntelSiliconPkg/Feature/Capsule/Library/MicrocodeFlashAccessLibNull/Mi=
crocodeFlashAccessLibNull.inf
IntelSiliconPkg/Feature/ShadowMicrocode/ShadowMicrocodePei.inf
+ IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAccessLibNull/BaseSmm=
AccessLibNull.inf
IntelSiliconPkg/Library/PeiDxeSmmBootMediaLib/PeiFirmwareBootMediaLib.=
inf
IntelSiliconPkg/Library/PeiDxeSmmBootMediaLib/DxeSmmFirmwareBootMediaL=
ib.inf
IntelSiliconPkg/Library/DxeAslUpdateLib/DxeAslUpdateLib.inf
--=20
2.28.0.windows.1