1 files changed, 20 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Core/Dxe/Mem/MemData.c b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Core/Dxe/Mem/MemData.c
new file mode 100644
index 00000000..aafdb5f5
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Core/Dxe/Mem/MemData.c
@@ -0,0 +1,20 @@
+/** @file
+  Global data used in memory service
+
+Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "DxeMain.h"
+
+
+//
+// MemoryLock - synchronizes access to the memory map and pool lists
+//
+EFI_LOCK          gMemoryLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);
+
+//
+// MemoryMap - the current memory map
+//
+LIST_ENTRY        gMemoryMap  = INITIALIZE_LIST_HEAD_VARIABLE (gMemoryMap);