1 files changed, 16 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c b/MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c
index 0bff206fad..3147b28bbb 100644
--- a/MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c
+++ b/MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c
@@ -1,7 +1,7 @@
 /** @file
   SwitchStack() function for ARM.
 
-  Copyright (c) 2006 - 2007, Intel Corporation<BR>
+  Copyright (c) 2006 - 2010, Intel Corporation<BR>
   Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
   All rights reserved. This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -15,6 +15,21 @@
 
 #include "BaseLibInternals.h"
 
+/**
+  Transfers control to a function starting with a new stack.
+
+  This internal worker function transfers control to the function
+  specified by EntryPoint using the new stack specified by NewStack
+  and passing in the parameters specified by Context1 and Context2.
+  Context1 and Context2 are optional and may be NULL.
+  The function EntryPoint must never return.
+
+  @param EntryPoint   The pointer to the function to enter.
+  @param Context1     The first parameter to pass in.
+  @param Context2     The second Parameter to pass in
+  @param NewStack     The new Location of the stack
+
+**/
 VOID
 EFIAPI
 InternalSwitchStackAsm (