audk/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Lib.c

37 lines
1017 B
C

/** @file
*
* Copyright (c) 2013-2014, 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
* 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.
*
**/
#include <Library/ArmGicLib.h>
#include <Library/IoLib.h>
UINTN
EFIAPI
ArmGicV2AcknowledgeInterrupt (
IN UINTN GicInterruptInterfaceBase
)
{
// Read the Interrupt Acknowledge Register
return MmioRead32 (GicInterruptInterfaceBase + ARM_GIC_ICCIAR);
}
VOID
EFIAPI
ArmGicV2EndOfInterrupt (
IN UINTN GicInterruptInterfaceBase,
IN UINTN Source
)
{
MmioWrite32 (GicInterruptInterfaceBase + ARM_GIC_ICCEIOR, Source);
}