ArmPkg/Include/Chipset/ArmCortexA5x.h

   1 /** @file
   2
   3   Copyright (c) 2012 - 2021, Arm Limited. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef ARM_CORTEX_A5X_H_
  10 #define ARM_CORTEX_A5X_H_
  11
  12 //
  13 // Cortex A5x feature bit definitions
  14 //
  15 #define A5X_FEATURE_SMP  (1 << 6)
  16
  17 //
  18 // Helper functions to access CPU Extended Control Register
  19 //
  20 UINT64
  21 EFIAPI
  22 ArmReadCpuExCr (
  23   VOID
  24   );
  25
  26 VOID
  27 EFIAPI
  28 ArmWriteCpuExCr (
  29   IN  UINT64  Val
  30   );
  31
  32 VOID
  33 EFIAPI
  34 ArmSetCpuExCrBit (
  35   IN  UINT64  Bits
  36   );
  37
  38 VOID
  39 EFIAPI
  40 ArmUnsetCpuExCrBit (
  41   IN  UINT64  Bits
  42   );
  43
  44 #endif // ARM_CORTEX_A5X_H_