ArmPkg/Include/Chipset/ArmCortexA5x.h

   1 /** @file
   2
   3   Copyright (c) 2012-2014, 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 #ifndef __ARM_CORTEX_A5x_H__
  16 #define __ARM_CORTEX_A5x_H__
  17
  18 //
  19 // Cortex A5x feature bit definitions
  20 //
  21 #define A5X_FEATURE_SMP     (1 << 6)
  22
  23 //
  24 // Helper functions to access CPU Extended Control Register
  25 //
  26 UINT64
  27 EFIAPI
  28 ArmReadCpuExCr (
  29   VOID
  30   );
  31
  32 VOID
  33 EFIAPI
  34 ArmWriteCpuExCr (
  35   IN  UINT64 Val
  36   );
  37
  38 VOID
  39 EFIAPI
  40 ArmSetCpuExCrBit (
  41   IN  UINT64    Bits
  42   );
  43
  44 VOID
  45 EFIAPI
  46 ArmUnsetCpuExCrBit (
  47   IN  UINT64    Bits
  48   );
  49
  50 #endif