ArmPlatformPkg: remove PeiServicesTablePointerLib implementation

[mirror_edk2.git] / ArmPlatformPkg / Library / ArmPlatformGlobalVariableLib / Dxe / DxeArmPlatformGlobalVariableLib.c

/** @file\r
*\r
*  Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r
*\r
*  This program and the accompanying materials\r
*  are licensed and made available under the terms and conditions of the BSD License\r
*  which accompanies this distribution.  The full text of the license may be found at\r
*  http://opensource.org/licenses/bsd-license.php\r
*\r
*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
*\r
**/\r
\r
#include <PiDxe.h>\r
#include <Library/ArmPlatformGlobalVariableLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PcdLib.h>\r
\r
#include <Guid/ArmGlobalVariableHob.h>\r
\r
UINTN  mGlobalVariableBase = 0;\r
\r
RETURN_STATUS\r
EFIAPI\r
ArmPlatformGlobalVariableConstructor (\r
  VOID\r
  )\r
{\r
  ARM_HOB_GLOBAL_VARIABLE  *Hob;\r
\r
  Hob = GetFirstGuidHob (&gArmGlobalVariableGuid);\r
  ASSERT (Hob != NULL);\r
\r
  mGlobalVariableBase = Hob->GlobalVariableBase;\r
\r
  return EFI_SUCCESS;\r
}\r
\r
VOID\r
ArmPlatformGetGlobalVariable (\r
  IN  UINTN     VariableOffset,\r
  IN  UINTN     VariableSize,\r
  OUT VOID*     Variable\r
  )\r
{\r
  if (mGlobalVariableBase == 0) {\r
    ArmPlatformGlobalVariableConstructor ();\r
  }\r
\r
  CopyMem (Variable, (VOID*)(mGlobalVariableBase + VariableOffset), VariableSize);\r
}\r
\r
VOID\r
ArmPlatformSetGlobalVariable (\r
  IN  UINTN     VariableOffset,\r
  IN  UINTN     VariableSize,\r
  OUT VOID*     Variable\r
  )\r
{\r
  if (mGlobalVariableBase == 0) {\r
    ArmPlatformGlobalVariableConstructor ();\r
  }\r
\r
  CopyMem ((VOID*)(mGlobalVariableBase + VariableOffset), Variable, VariableSize);\r
}\r
\r
VOID*\r
ArmPlatformGetGlobalVariableAddress (\r
  IN  UINTN     VariableOffset\r
  )\r
{\r
  return (VOID*)(mGlobalVariableBase + VariableOffset);\r
}\r