3 files changed, 101 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.c b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.c
new file mode 100644
index 00000000..9e0d3c65
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.c
@@ -0,0 +1,54 @@
+/** @file
+  SMM Core SMM Services Table Library.
+
+  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiSmm.h>
+#include <Library/SmmServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+EFI_SMM_SYSTEM_TABLE2         *gSmst = NULL;
+extern EFI_SMM_SYSTEM_TABLE2  gSmmCoreSmst;
+
+/**
+  The constructor function caches the pointer of SMM Services Table.
+
+  @param  ImageHandle   The firmware allocated handle for the EFI image.
+  @param  SystemTable   A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmCoreSmmServicesTableLibConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  gSmst = &gSmmCoreSmst;
+  return EFI_SUCCESS;
+}
+
+/**
+  This function allows the caller to determine if the driver is executing in
+  System Management Mode(SMM).
+
+  This function returns TRUE if the driver is executing in SMM and FALSE if the
+  driver is not executing in SMM.
+
+  @retval  TRUE  The driver is executing in System Management Mode (SMM).
+  @retval  FALSE The driver is not executing in System Management Mode (SMM).
+
+**/
+BOOLEAN
+EFIAPI
+InSmm (
+  VOID
+  )
+{
+  return TRUE;
+}
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.inf b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.inf
new file mode 100644
index 00000000..d1f73bd5
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.inf
@@ -0,0 +1,31 @@
+## @file
+# SMM Core SMM Services Table Library.
+#
+# Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PiSmmCoreSmmServicesTableLib
+  MODULE_UNI_FILE                = PiSmmCoreSmmServicesTableLib.uni
+  FILE_GUID                      = C427146A-2EF2-4af9-A85A-E09EA65EE47D
+  MODULE_TYPE                    = SMM_CORE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = SmmServicesTableLib|SMM_CORE
+  PI_SPECIFICATION_VERSION       = 0x0001000A
+  CONSTRUCTOR                    = SmmCoreSmmServicesTableLibConstructor
+
+#
+#  VALID_ARCHITECTURES           = IA32 X64
+#
+
+[Sources]
+  PiSmmCoreSmmServicesTableLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.uni b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.uni
new file mode 100644
index 00000000..3ef56670
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.uni
@@ -0,0 +1,16 @@
+// /** @file
+// SMM Core SMM Services Table Library.
+//
+// SMM Core SMM Services Table Library.
+//
+// Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "SMM Core SMM Services Table Library"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "SMM Core SMM Services Table Library."
+