ArmPkg/Drivers/ArmCpuLib/ArmCortexA8Lib/ArmCortexA8Lib.c

   1 /** @file
   2
   3   Copyright (c) 2011, 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 <Base.h>
  16 #include <Library/ArmLib.h>
  17 #include <Library/ArmCpuLib.h>
  18 #include <Library/DebugLib.h>
  19
  20 #include <Chipset/ArmV7.h>
  21
  22 VOID
  23 ArmCpuSetup (
  24   IN  UINTN         MpId
  25   )
  26 {
  27   // Enable SWP instructions
  28   ArmEnableSWPInstruction ();
  29
  30   // Enable program flow prediction, if supported.
  31   ArmEnableBranchPrediction ();
  32 }
  33
  34 VOID
  35 ArmCpuSetupSmpNonSecure (
  36   IN  UINTN         MpId
  37   )
  38 {
  39   // The CortexA8 is a Unicore CPU. We must not initialize SMP for Non Secure Accesses
  40   ASSERT(0);
  41 }