diff --git a/include/bl31/ea_handle.h b/include/bl31/ea_handle.h
new file mode 100644
index 0000000..285132b
--- /dev/null
+++ b/include/bl31/ea_handle.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __EA_HANDLE_H__
+#define __EA_HANDLE_H__
+
+/* Constants indicating the reason for an External Abort */
+
+/* External Abort received at SError vector */
+#define ERROR_EA_ASYNC		0
+
+/* Synchronous External Abort received at Synchronous exception vector */
+#define ERROR_EA_SYNC		1
+
+#endif /* __EA_HANDLE_H__ */