[edk2-devel] [edk2-platforms][PATCH v1 1/1] IntelSiliconPkg: Add BaseSmmAccessLibNull

[Chaganty, Rangasai V]

Reviewed-by: Sai Chaganty <rangasai.v.chaganty at intel.com>  

-----Original Message-----
From: mikuback at linux.microsoft.com <mikuback at linux.microsoft.com> 
Sent: Monday, August 09, 2021 7:16 AM
To: devel at edk2.groups.io
Cc: Ni, Ray <ray.ni at intel.com>; Chaganty, Rangasai V <rangasai.v.chaganty at intel.com>
Subject: [edk2-platforms][PATCH v1 1/1] IntelSiliconPkg: Add BaseSmmAccessLibNull

From: Michael Kubacki <michael.kubacki at microsoft.com>

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3540

Adds a NULL instance of SmmAccessLib.

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

diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAccessLibNull/BaseSmmAccessLibNull.c b/Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAccessLibNull/BaseSmmAccessLibNull.c
new file mode 100644
index 000000000000..f5ad306b380b
--- /dev/null
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAcc
+++ essLibNull/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 installation is unsupported in
+                                  this instance of function implementation.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiInstallSmmAccessPpi (
+  VOID
+  )
+{
+  ASSERT (FALSE);
+  return EFI_UNSUPPORTED;
+}
diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAccessLibNull/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/BaseSmmAcc
+++ essLibNull/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     = 0x00010017
+BASE_NAME       = BaseSmmAccessLibNull
+FILE_GUID       = C1A14AB6-B757-4046-9B92-9DCE1A2154C6
+VERSION_STRING  = 1.0
+MODULE_TYPE     = BASE
+LIBRARY_CLASS   = 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/MicrocodeFlashAccessLibNull.inf
   IntelSiliconPkg/Feature/ShadowMicrocode/ShadowMicrocodePei.inf
+  
+ IntelSiliconPkg/Feature/SmmAccess/Library/BaseSmmAccessLibNull/BaseSmm
+ AccessLibNull.inf
   IntelSiliconPkg/Library/PeiDxeSmmBootMediaLib/PeiFirmwareBootMediaLib.inf
   IntelSiliconPkg/Library/PeiDxeSmmBootMediaLib/DxeSmmFirmwareBootMediaLib.inf
   IntelSiliconPkg/Library/DxeAslUpdateLib/DxeAslUpdateLib.inf
--
2.28.0.windows.1



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