MdePkg/Library/BaseCacheMaintenanceLib/IpfCache.c

   1 /** @file
   2   Cache Maintenance Functions.
   3
   4   Copyright (c) 2006, Intel Corporation<BR>
   5   All rights reserved. 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 typedef struct {
  16   UINT64                            Status;
  17   UINT64                            r9;
  18   UINT64                            r10;
  19   UINT64                            r11;
  20 } PAL_PROC_RETURN;
  21
  22 PAL_PROC_RETURN
  23 CallPalProcStatic (
  24   IN      UINT64                    Arg1,
  25   IN      UINT64                    Arg2,
  26   IN      UINT64                    Arg3,
  27   IN      UINT64                    Arg4
  28   );
  29
  30 VOID
  31 EFIAPI
  32 InvalidateInstructionCache (
  33   VOID
  34   )
  35 {
  36   CallPalProcStatic (1, 1, 1, 0);
  37 }
  38
  39 VOID
  40 EFIAPI
  41 WriteBackInvalidateDataCache (
  42   VOID
  43   )
  44 {
  45   CallPalProcStatic (1, 2, 1, 0);
  46 }
  47
  48 VOID *
  49 EFIAPI
  50 WriteBackInvalidateDataCacheRange (
  51   IN      VOID                      *Address,
  52   IN      UINTN                     Length
  53   )
  54 {
  55   WriteBackInvalidateDataCache ();
  56   return Address;
  57 }
  58
  59 VOID
  60 EFIAPI
  61 WriteBackDataCache (
  62   VOID
  63   )
  64 {
  65   CallPalProcStatic (1, 2, 0, 0);
  66 }
  67
  68 VOID *
  69 EFIAPI
  70 WriteBackDataCacheRange (
  71   IN      VOID                      *Address,
  72   IN      UINTN                     Length
  73   )
  74 {
  75   WriteBackDataCache ();
  76   return Address;
  77 }
  78
  79 VOID
  80 EFIAPI
  81 InvalidateDataCache (
  82   VOID
  83   )
  84 {
  85 }
  86
  87 VOID *
  88 EFIAPI
  89 InvalidateDataCacheRange (
  90   IN      VOID                      *Address,
  91   IN      UINTN                     Length
  92   )
  93 {
  94   return Address;
  95 }