1 /** @file
2 *
3 *  Copyright (c) 2013-2014, ARM Limited. All rights reserved.
4 *
5 *  This program and the accompanying materials
6 *  are licensed and made available under the terms and conditions of the BSD License
7 *  which accompanies this distribution.  The full text of the license may be found at
8 *  http://opensource.org/licenses/bsd-license.php
9 *
10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 *
13 **/
14 
15 #include <Library/ArmGicLib.h>
16 #include <Library/IoLib.h>
17 
18 UINTN
19 EFIAPI
ArmGicV2AcknowledgeInterrupt(IN UINTN GicInterruptInterfaceBase)20 ArmGicV2AcknowledgeInterrupt (
21   IN  UINTN          GicInterruptInterfaceBase
22   )
23 {
24   // Read the Interrupt Acknowledge Register
25   return MmioRead32 (GicInterruptInterfaceBase + ARM_GIC_ICCIAR);
26 }
27 
28 VOID
29 EFIAPI
ArmGicV2EndOfInterrupt(IN UINTN GicInterruptInterfaceBase,IN UINTN Source)30 ArmGicV2EndOfInterrupt (
31   IN  UINTN                 GicInterruptInterfaceBase,
32   IN UINTN                  Source
33   )
34 {
35   MmioWrite32 (GicInterruptInterfaceBase + ARM_GIC_ICCEIOR, Source);
36 }
37