/** @file | |
* | |
* Copyright (c) 2011, ARM Limited. All rights reserved. | |
* | |
* This program and the accompanying materials | |
* are licensed and made available under the terms and conditions of the BSD License | |
* which accompanies this distribution. The full text of the license may be found at | |
* http://opensource.org/licenses/bsd-license.php | |
* | |
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
* | |
**/ | |
#include <PiPei.h> | |
// | |
// The protocols, PPI and GUID defintions for this module | |
// | |
#include <Ppi/ArmGlobalVariable.h> | |
#include <Ppi/MasterBootMode.h> | |
#include <Ppi/BootInRecoveryMode.h> | |
#include <Ppi/GuidedSectionExtraction.h> | |
// | |
// The Library classes this module consumes | |
// | |
#include <Library/ArmPlatformLib.h> | |
#include <Library/BaseMemoryLib.h> | |
#include <Library/DebugLib.h> | |
#include <Library/HobLib.h> | |
#include <Library/PeimEntryPoint.h> | |
#include <Library/PeiServicesLib.h> | |
#include <Library/PcdLib.h> | |
#include <Guid/ArmGlobalVariableHob.h> | |
EFI_STATUS | |
EFIAPI | |
InitializePlatformPeim ( | |
IN EFI_PEI_FILE_HANDLE FileHandle, | |
IN CONST EFI_PEI_SERVICES **PeiServices | |
); | |
EFI_STATUS | |
EFIAPI | |
PlatformPeim ( | |
VOID | |
); | |
// | |
// Module globals | |
// | |
EFI_PEI_PPI_DESCRIPTOR mPpiListBootMode = { | |
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), | |
&gEfiPeiMasterBootModePpiGuid, | |
NULL | |
}; | |
EFI_PEI_PPI_DESCRIPTOR mPpiListRecoveryBootMode = { | |
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), | |
&gEfiPeiBootInRecoveryModePpiGuid, | |
NULL | |
}; | |
VOID | |
EFIAPI | |
BuildGlobalVariableHob ( | |
IN EFI_PHYSICAL_ADDRESS GlobalVariableBase, | |
IN UINT32 GlobalVariableSize | |
) | |
{ | |
EFI_STATUS Status; | |
ARM_HOB_GLOBAL_VARIABLE *Hob; | |
Status = PeiServicesCreateHob (EFI_HOB_TYPE_GUID_EXTENSION, sizeof (ARM_HOB_GLOBAL_VARIABLE), (VOID**)&Hob); | |
if (!EFI_ERROR(Status)) { | |
CopyGuid (&(Hob->Header.Name), &gArmGlobalVariableGuid); | |
Hob->GlobalVariableBase = GlobalVariableBase; | |
Hob->GlobalVariableSize = GlobalVariableSize; | |
} | |
} | |
/*++ | |
Routine Description: | |
Arguments: | |
FileHandle - Handle of the file being invoked. | |
PeiServices - Describes the list of possible PEI Services. | |
Returns: | |
Status - EFI_SUCCESS if the boot mode could be set | |
--*/ | |
EFI_STATUS | |
EFIAPI | |
InitializePlatformPeim ( | |
IN EFI_PEI_FILE_HANDLE FileHandle, | |
IN CONST EFI_PEI_SERVICES **PeiServices | |
) | |
{ | |
EFI_STATUS Status; | |
UINTN BootMode; | |
ARM_GLOBAL_VARIABLE_PPI *ArmGlobalVariablePpi; | |
EFI_PHYSICAL_ADDRESS GlobalVariableBase; | |
DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n")); | |
PlatformPeim (); | |
Status = PeiServicesLocatePpi (&gArmGlobalVariablePpiGuid, 0, NULL, (VOID**)&ArmGlobalVariablePpi); | |
if (!EFI_ERROR(Status)) { | |
Status = ArmGlobalVariablePpi->GetGlobalVariableMemory (&GlobalVariableBase); | |
if (!EFI_ERROR(Status)) { | |
// Declare the Global Variable HOB | |
BuildGlobalVariableHob (GlobalVariableBase, FixedPcdGet32 (PcdPeiGlobalVariableSize)); | |
} | |
} | |
BootMode = ArmPlatformGetBootMode (); | |
Status = (**PeiServices).SetBootMode (PeiServices, (UINT8) BootMode); | |
ASSERT_EFI_ERROR (Status); | |
Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListBootMode); | |
ASSERT_EFI_ERROR (Status); | |
if (BootMode == BOOT_IN_RECOVERY_MODE) { | |
Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListRecoveryBootMode); | |
ASSERT_EFI_ERROR (Status); | |
} | |
return Status; | |
} |