ArmPkg/Library/ArmLib/Arm/ArmV7Lib.h

   1 /** @file
   2
   3   Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef ARM_V7_LIB_H_
  10 #define ARM_V7_LIB_H_
  11
  12 #define ID_MMFR0_SHARELVL_SHIFT       12
  13 #define ID_MMFR0_SHARELVL_MASK       0xf
  14 #define ID_MMFR0_SHARELVL_ONE          0
  15 #define ID_MMFR0_SHARELVL_TWO          1
  16
  17 #define ID_MMFR0_INNERSHR_SHIFT       28
  18 #define ID_MMFR0_INNERSHR_MASK       0xf
  19 #define ID_MMFR0_OUTERSHR_SHIFT        8
  20 #define ID_MMFR0_OUTERSHR_MASK       0xf
  21
  22 #define ID_MMFR0_SHR_IMP_UNCACHED      0
  23 #define ID_MMFR0_SHR_IMP_HW_COHERENT   1
  24 #define ID_MMFR0_SHR_IGNORED         0xf
  25
  26 typedef VOID (*ARM_V7_CACHE_OPERATION)(UINT32);
  27
  28 VOID
  29 ArmV7AllDataCachesOperation (
  30   IN  ARM_V7_CACHE_OPERATION  DataCacheOperation
  31   );
  32
  33 VOID
  34 EFIAPI
  35 ArmInvalidateDataCacheEntryBySetWay (
  36   IN  UINTN  SetWayFormat
  37   );
  38
  39 VOID
  40 EFIAPI
  41 ArmCleanDataCacheEntryBySetWay (
  42   IN  UINTN  SetWayFormat
  43   );
  44
  45 VOID
  46 EFIAPI
  47 ArmCleanInvalidateDataCacheEntryBySetWay (
  48   IN  UINTN   SetWayFormat
  49   );
  50
  51 /** Reads the ID_MMFR4 register.
  52
  53    @return The contents of the ID_MMFR4 register.
  54 **/
  55 UINT32
  56 EFIAPI
  57 ArmReadIdMmfr4 (
  58   VOID
  59   );
  60
  61 UINTN
  62 EFIAPI
  63 ArmReadIdPfr1 (
  64   VOID
  65   );
  66
  67 #endif // ARM_V7_LIB_H_
  68