audk/ArmPkg/Library/ArmMPCoreMailBoxLib/ArmMPCoreMailBox.c

34 lines
994 B
C

/** @file
*
* Copyright (c) 2011, 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/ArmMPCoreMailBoxLib.h>
#include <Library/PcdLib.h>
#include <Library/IoLib.h>
VOID
ArmClearMPCoreMailbox (
VOID
)
{
MmioWrite32(PcdGet32(PcdMPCoreMailboxClearAddress),PcdGet32(PcdMPCoreMailboxClearValue));
}
UINTN
ArmGetMPCoreMailbox (
VOID
)
{
return MmioRead32(PcdGet32(PcdMPCoreMailboxGetAddress));
}