1 files changed, 34 insertions, 0 deletions
diff --git a/ArmPkg/Include/Library/OpteeLib.h b/ArmPkg/Include/Library/OpteeLib.h
new file mode 100644
index 0000000000..f65d8674d9
--- /dev/null
+++ b/ArmPkg/Include/Library/OpteeLib.h
@@ -0,0 +1,34 @@
+/** @file
+  OP-TEE specific header file.
+
+  Copyright (c) 2018, Linaro Ltd. 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.
+
+**/
+
+#ifndef _OPTEE_H_
+#define _OPTEE_H_
+
+/*
+ * The 'Trusted OS Call UID' is supposed to return the following UUID for
+ * OP-TEE OS. This is a 128-bit value.
+ */
+#define OPTEE_OS_UID0          0x384fb3e0
+#define OPTEE_OS_UID1          0xe7f811e3
+#define OPTEE_OS_UID2          0xaf630002
+#define OPTEE_OS_UID3          0xa5d5c51b
+
+BOOLEAN
+EFIAPI
+IsOpteePresent (
+  VOID
+  );
+
+#endif