MdeModulePkg/CapsuleRuntimeDxe: clean the capsule payload to DRAM

[mirror_edk2.git] / MdeModulePkg / Universal / CapsuleRuntimeDxe / CapsuleReset.c

diff --git a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleReset.c b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleReset.c
new file mode 100644 (file)
index 0000000..353f6f2
--- /dev/null
+++ b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleReset.c
@@ -0,0 +1,49 @@
+/** @file\r
+  Default implementation of architecture specific routines related to\r
+  PersistAcrossReset capsules\r
+\r
+  Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>\r
+\r
+  This program and the accompanying materials are licensed and made available\r
+  under the terms and conditions of the BSD License which accompanies this\r
+  distribution.  The full text of the license may be found at\r
+  http://opensource.org/licenses/bsd-license.php\r
+\r
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include "CapsuleService.h"\r
+\r
+/**\r
+  Whether the platform supports capsules that persist across reset. Note that\r
+  some platforms only support such capsules at boot time.\r
+\r
+  @return TRUE  if a PersistAcrossReset capsule may be passed to UpdateCapsule()\r
+                at this time\r
+          FALSE otherwise\r
+**/\r
+BOOLEAN\r
+IsPersistAcrossResetCapsuleSupported (\r
+  VOID\r
+  )\r
+{\r
+  return FeaturePcdGet (PcdSupportUpdateCapsuleReset);\r
+}\r
+\r
+/**\r
+  Writes Back a range of data cache lines covering a set of capsules in memory.\r
+\r
+  Writes Back the data cache lines specified by ScatterGatherList.\r
+\r
+  @param  ScatterGatherList Physical address of the data structure that\r
+                            describes a set of capsules in memory\r
+\r
+**/\r
+VOID\r
+CapsuleCacheWriteBack (\r
+  IN  EFI_PHYSICAL_ADDRESS    ScatterGatherList\r
+  )\r
+{\r
+}\r