1 files changed, 6 insertions, 1 deletions
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
index e75438844..8eee50dcf 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm
@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------ 
 //
 // Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
-// Copyright (c) 2011, ARM Limited. All rights reserved.
+// Copyright (c) 2011 - 2014, ARM Limited. All rights reserved.
 //
 // This program and the accompanying materials
 // are licensed and made available under the terms and conditions of the BSD License
@@ -46,6 +46,7 @@
     EXPORT  ArmReadCbar
     EXPORT  ArmInvalidateInstructionAndDataTlb
     EXPORT  ArmReadMpidr
+    EXPORT  ArmReadMidr
     EXPORT  ArmReadTpidrurw
     EXPORT  ArmWriteTpidrurw
     EXPORT  ArmIsArchTimerImplemented
@@ -371,6 +372,10 @@ ArmReadMpidr
   mrc     p15, 0, r0, c0, c0, 5     ; read MPIDR
   bx      lr
 
+ArmReadMidr
+  mrc     p15, 0, r0, c0, c0, 0      ; Read Main ID Register
+  bx      lr
+
 ArmReadTpidrurw
   mrc     p15, 0, r0, c13, c0, 2    ; read TPIDRURW
   bx      lr