ArmPlatformPkg/Sec/AArch64/Arch.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2013, 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 <Chipset/AArch64.h>
  16
  17 VOID
  18 EFIAPI
  19 ArmSecArchTrustzoneInit (
  20   VOID
  21   )
  22 {
  23   // Do not trap any access to Floating Point and Advanced SIMD in EL3.
  24   ArmWriteCptr (0);
  25 }