1 files changed, 37 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Arm/EnableInterrupts.asm b/MdePkg/Library/BaseLib/Arm/EnableInterrupts.asm
new file mode 100644
index 000000000000..fceb8c795af9
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Arm/EnableInterrupts.asm
@@ -0,0 +1,37 @@
+;------------------------------------------------------------------------------ 
+;
+; EnableInterrupts() for ARM
+;
+; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+; Portions copyright (c) 2008 - 2009, Apple Inc. 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.
+;
+;------------------------------------------------------------------------------
+
+    EXPORT EnableInterrupts
+
+    AREA Interrupt_enable, CODE, READONLY
+
+;/**
+;  Enables CPU interrupts.
+;
+;**/
+;VOID
+;EFIAPI
+;EnableInterrupts (
+;  VOID
+;  );
+;
+EnableInterrupts
+    MRS     R0,CPSR
+    BIC     R0,R0,#0x80             ;Enable IRQ interrupts
+    MSR     CPSR_c,R0
+    BX      LR
+    
+    END