diff options
Diffstat (limited to 'StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.c')
-rw-r--r-- | StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.c b/StandaloneMmPkg/Library/SmmLockBoxMmDependency/SmmLockBoxMmDependency.c new file mode 100644 index 0000000000..143a62c200 --- /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;
+}
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