X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FCapsuleRuntimeDxe%2FCapsuleCacheNull.c;fp=MdeModulePkg%2FUniversal%2FCapsuleRuntimeDxe%2FCapsuleCacheNull.c;h=cfb9bb1bf138475d07a2889f7b2290d62fb4945f;hp=0000000000000000000000000000000000000000;hb=a89fd3a359b868e619355dbeda14ac4104b467a6;hpb=b02873340b2de5c2fe8325d22214cd3a5b21c5e5

diff --git a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleCacheNull.c b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleCacheNull.c
new file mode 100644
index 0000000000..cfb9bb1bf1
--- /dev/null
+++ b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleCacheNull.c
@@ -0,0 +1,38 @@
+/** @file
+  Null function version of cache function.
+
+  Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
+  Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "CapsuleService.h"
+
+#include <Library/CacheMaintenanceLib.h>
+
+/**
+  Writes Back a range of data cache lines covering a set of capsules in memory.
+
+  Writes Back the data cache lines specified by ScatterGatherList.
+
+  Null version, do nothing.
+
+  @param  ScatterGatherList Physical address of the data structure that
+                            describes a set of capsules in memory
+
+**/
+VOID
+CapsuleCacheWriteBack (
+  IN  EFI_PHYSICAL_ADDRESS    ScatterGatherList
+  )
+{
+}
+