2 files changed, 84 insertions, 0 deletions
diff --git a/StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.c b/StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.c
new file mode 100644
index 0000000..143a62c
--- /dev/null
+++ b/StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.c
@@ -0,0 +1,50 @@
+/** @file
+  LockBox Dependency DXE Library.
+
+  By installing the LockBox protocol with the gEfiLockBoxProtocolGuid,
+  it signals that the LockBox API is fully operational and ready for use.
+
+  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Protocol/LockBox.h>
+
+/**
+  The constructor function of SmmLockBoxMmDependency.
+
+  It attempts to install the gEfiLockBoxProtocolGuid protocol into the system's DXE database
+  with NULL as notify.
+
+  @param  ImageHandle   The firmware allocated handle for the EFI image.
+  @param  SystemTable   A pointer to the Management mode System Table.
+
+  @retval EFI_SUCCESS           The protocol was successfully installed into the DXE database.
+  @retval Others                An error occurred while installing the protocol.
+**/
+EFI_STATUS
+EFIAPI
+SmmLockBoxMmDependencyConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS  Status;
+
+  //
+  // Install NULL to DXE data base as notify
+  //
+  Status = gBS->InstallProtocolInterface (
+                  &ImageHandle,
+                  &gEfiLockBoxProtocolGuid,
+                  EFI_NATIVE_INTERFACE,
+                  NULL
+                  );
+  ASSERT_EFI_ERROR (Status);
+  return Status;
+}
diff --git a/StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.inf b/StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.inf
new file mode 100644
index 0000000..14931a2
--- /dev/null
+++ b/StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.inf
@@ -0,0 +1,34 @@
+## @file
+#  LockBox Dependency DXE Library.
+#
+#  By installing the LockBox protocol with the gEfiLockBoxProtocolGuid,
+#  it signals that the LockBox API is fully operational and ready for use.
+#
+# Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010006
+  BASE_NAME                      = SmmLockBoxMmDependency
+  FILE_GUID                      = c45ce910-7f8b-4f49-88e2-2c26c5743ee2
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = NULL
+  CONSTRUCTOR                    = SmmLockBoxMmDependencyConstructor
+
+[Sources]
+  SmmLockBoxMmDependency.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[Protocols]
+  gEfiLockBoxProtocolGuid
+
+[LibraryClasses]
+  BaseLib
+  UefiBootServicesTableLib