ArmPkg: Create MpCoreInfo PPI and HOB to describe CPU Cores on a MPCore platform

[mirror_edk2.git] / ArmPkg / Library / ArmMPCoreMailBoxLib / ArmMPCoreMailBox.c

/** @file\r
*\r
*  Copyright (c) 2011, ARM Limited. All rights reserved.\r
*  \r
*  This program and the accompanying materials                          \r
*  are licensed and made available under the terms and conditions of the BSD License         \r
*  which accompanies this distribution.  The full text of the license may be found at        \r
*  http://opensource.org/licenses/bsd-license.php                                            \r
*\r
*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
*\r
**/\r
\r
#include <Library/ArmMPCoreMailBoxLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/IoLib.h>\r
\r
VOID\r
ArmClearMPCoreMailbox (\r
  VOID\r
  )\r
{\r
  MmioWrite32(PcdGet32(PcdMPCoreMailboxClearAddress),PcdGet32(PcdMPCoreMailboxClearValue));\r
}\r
\r
UINTN\r
ArmGetMPCoreMailbox (\r
  VOID\r
  )\r
{\r
  return MmioRead32(PcdGet32(PcdMPCoreMailboxGetAddress));\r
}\r