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/** @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;
}
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