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)(
  27   UINT32
  28   );
  29
  30 VOID
  31 ArmV7AllDataCachesOperation (
  32   IN  ARM_V7_CACHE_OPERATION  DataCacheOperation
  33   );
  34
  35 VOID
  36 EFIAPI
  37 ArmInvalidateDataCacheEntryBySetWay (
  38   IN  UINTN  SetWayFormat
  39   );
  40
  41 VOID
  42 EFIAPI
  43 ArmCleanDataCacheEntryBySetWay (
  44   IN  UINTN  SetWayFormat
  45   );
  46
  47 VOID
  48 EFIAPI
  49 ArmCleanInvalidateDataCacheEntryBySetWay (
  50   IN  UINTN  SetWayFormat
  51   );
  52
  53 /** Reads the ID_MMFR4 register.
  54
  55    @return The contents of the ID_MMFR4 register.
  56 **/
  57 UINT32
  58 EFIAPI
  59 ArmReadIdMmfr4 (
  60   VOID
  61   );
  62
  63 UINTN
  64 EFIAPI
  65 ArmReadIdPfr1 (
  66   VOID
  67   );
  68
  69 #endif // ARM_V7_LIB_H_