1 files changed, 50 insertions, 0 deletions
diff --git a/roms/edk2/FmpDevicePkg/Library/FmpDependencyDeviceLibNull/FmpDependencyDeviceLib.c b/roms/edk2/FmpDevicePkg/Library/FmpDependencyDeviceLibNull/FmpDependencyDeviceLib.c
new file mode 100644
index 000000000..083968143
--- /dev/null
+++ b/roms/edk2/FmpDevicePkg/Library/FmpDependencyDeviceLibNull/FmpDependencyDeviceLib.c
@@ -0,0 +1,50 @@
+/** @file
+  Null instance of FmpDependencyDeviceLib.
+
+  Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include <PiDxe.h>
+#include <Library/FmpDependencyDeviceLib.h>
+
+/**
+  Save dependency to Fmp device.
+
+  @param[in]  Depex       Fmp dependency.
+  @param[in]  DepexSize   Size, in bytes, of the Fmp dependency.
+
+  @retval  EFI_SUCCESS       Save Fmp dependency succeeds.
+  @retval  EFI_UNSUPPORTED   Save Fmp dependency is not supported.
+  @retval  Others            Save Fmp dependency fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SaveFmpDependency (
+  IN EFI_FIRMWARE_IMAGE_DEP  *Depex,
+  IN UINT32                  DepexSize
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+/**
+  Get dependency from the Fmp device.
+  This caller is responsible for freeing the dependency buffer.
+
+  @param[out]  DepexSize   Size, in bytes, of the dependency.
+
+  @retval  The pointer to dependency.
+  @retval  NULL
+
+**/
+EFI_FIRMWARE_IMAGE_DEP*
+EFIAPI
+GetFmpDependency (
+  OUT UINT32  *DepexSize
+  )
+{
+  return NULL;
+}