ArmPlatformPkg/PlatformPeim: constify EFI_PEI_PPI_DESCRIPTOR globals

[mirror_edk2.git] / ArmPlatformPkg / PlatformPei / PlatformPeim.c

/** @file\r
*\r
*  Copyright (c) 2011, 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 <PiPei.h>\r
\r
//\r
// The protocols, PPI and GUID defintions for this module\r
//\r
#include <Ppi/ArmGlobalVariable.h>\r
#include <Ppi/MasterBootMode.h>\r
#include <Ppi/BootInRecoveryMode.h>\r
#include <Ppi/GuidedSectionExtraction.h>\r
//\r
// The Library classes this module consumes\r
//\r
#include <Library/ArmPlatformLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/PcdLib.h>\r
\r
#include <Guid/ArmGlobalVariableHob.h>\r
\r
EFI_STATUS\r
EFIAPI\r
InitializePlatformPeim (\r
  IN       EFI_PEI_FILE_HANDLE  FileHandle,\r
  IN CONST EFI_PEI_SERVICES     **PeiServices\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
PlatformPeim (\r
  VOID\r
  );\r
\r
//\r
// Module globals\r
//\r
CONST EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {\r
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
  &gEfiPeiMasterBootModePpiGuid,\r
  NULL\r
};\r
\r
CONST EFI_PEI_PPI_DESCRIPTOR  mPpiListRecoveryBootMode = {\r
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
  &gEfiPeiBootInRecoveryModePpiGuid,\r
  NULL\r
};\r
\r
VOID\r
EFIAPI\r
BuildGlobalVariableHob (\r
  IN EFI_PHYSICAL_ADDRESS         GlobalVariableBase,\r
  IN UINT32                       GlobalVariableSize\r
  )\r
{\r
  EFI_STATUS                Status;\r
  ARM_HOB_GLOBAL_VARIABLE   *Hob;\r
\r
  Status = PeiServicesCreateHob (EFI_HOB_TYPE_GUID_EXTENSION, sizeof (ARM_HOB_GLOBAL_VARIABLE), (VOID**)&Hob);\r
  if (!EFI_ERROR(Status)) {\r
    CopyGuid (&(Hob->Header.Name), &gArmGlobalVariableGuid);\r
    Hob->GlobalVariableBase = GlobalVariableBase;\r
    Hob->GlobalVariableSize = GlobalVariableSize;\r
  }\r
}\r
\r
/*++\r
\r
Routine Description:\r
\r
\r
\r
Arguments:\r
\r
  FileHandle  - Handle of the file being invoked.\r
  PeiServices - Describes the list of possible PEI Services.\r
\r
Returns:\r
\r
  Status -  EFI_SUCCESS if the boot mode could be set\r
\r
--*/\r
EFI_STATUS\r
EFIAPI\r
InitializePlatformPeim (\r
  IN       EFI_PEI_FILE_HANDLE  FileHandle,\r
  IN CONST EFI_PEI_SERVICES     **PeiServices\r
  )\r
{\r
  EFI_STATUS                    Status;\r
  UINTN                         BootMode;\r
  ARM_GLOBAL_VARIABLE_PPI       *ArmGlobalVariablePpi;\r
  EFI_PHYSICAL_ADDRESS          GlobalVariableBase;\r
\r
  DEBUG ((EFI_D_LOAD | EFI_D_INFO, "Platform PEIM Loaded\n"));\r
\r
  PlatformPeim ();\r
\r
  Status = PeiServicesLocatePpi (&gArmGlobalVariablePpiGuid, 0, NULL, (VOID**)&ArmGlobalVariablePpi);\r
  if (!EFI_ERROR(Status)) {\r
    Status = ArmGlobalVariablePpi->GetGlobalVariableMemory (&GlobalVariableBase);\r
\r
    if (!EFI_ERROR(Status)) {\r
      // Declare the Global Variable HOB\r
      BuildGlobalVariableHob (GlobalVariableBase, FixedPcdGet32 (PcdPeiGlobalVariableSize));\r
    }\r
  }\r
\r
  BootMode  = ArmPlatformGetBootMode ();\r
  Status    = (**PeiServices).SetBootMode (PeiServices, (UINT8) BootMode);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListBootMode);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  if (BootMode == BOOT_IN_RECOVERY_MODE) {\r
    Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListRecoveryBootMode);\r
    ASSERT_EFI_ERROR (Status);\r
  }\r
\r
  return Status;\r
}\r