ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibConvert.c

   1 /** @file
   2 *  File managing the MMU for ARMv7 architecture
   3 *
   4 *  Copyright (c) 2011-2016, ARM Limited. All rights reserved.
   5 *
   6 *  SPDX-License-Identifier: BSD-2-Clause-Patent
   7 *
   8 **/
   9
  10 #include <Uefi.h>
  11
  12 #include <Library/ArmLib.h>
  13
  14 #include <Chipset/ArmV7.h>
  15
  16 UINT32
  17 ConvertSectionAttributesToPageAttributes (
  18   IN UINT32   SectionAttributes,
  19   IN BOOLEAN  IsLargePage
  20   )
  21 {
  22   UINT32  PageAttributes;
  23
  24   PageAttributes  = 0;
  25   PageAttributes |= TT_DESCRIPTOR_CONVERT_TO_PAGE_CACHE_POLICY (SectionAttributes, IsLargePage);
  26   PageAttributes |= TT_DESCRIPTOR_CONVERT_TO_PAGE_AP (SectionAttributes);
  27   PageAttributes |= TT_DESCRIPTOR_CONVERT_TO_PAGE_XN (SectionAttributes, IsLargePage);
  28   PageAttributes |= TT_DESCRIPTOR_CONVERT_TO_PAGE_NG (SectionAttributes);
  29   PageAttributes |= TT_DESCRIPTOR_CONVERT_TO_PAGE_S (SectionAttributes);
  30
  31   return PageAttributes;
  32 }