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/** @file
This module provide function for ascertaining and updating the boot mode:
GetBootMode()
SetBootMode()
See PI Specification volume I, chapter 9 Boot Paths for additional information
on the boot mode.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "PeiMain.h"
/**
This service enables PEIMs to ascertain the present value of the boot mode.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param BootMode A pointer to contain the value of the boot mode.
@retval EFI_SUCCESS The boot mode was returned successfully.
@retval EFI_INVALID_PARAMETER BootMode is NULL.
**/
EFI_STATUS
EFIAPI
PeiGetBootMode (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN OUT EFI_BOOT_MODE *BootMode
)
{
PEI_CORE_INSTANCE *PrivateData;
EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;
if (BootMode == NULL) {
return EFI_INVALID_PARAMETER;
}
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS(PeiServices);
HandOffHob = (PrivateData->HobList.HandoffInformationTable);
*BootMode = HandOffHob->BootMode;
return EFI_SUCCESS;
}
/**
This service enables PEIMs to update the boot mode variable.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param BootMode The value of the boot mode to set.
@return EFI_SUCCESS The value was successfully updated
**/
EFI_STATUS
EFIAPI
PeiSetBootMode (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_BOOT_MODE BootMode
)
{
PEI_CORE_INSTANCE *PrivateData;
EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS(PeiServices);
HandOffHob = (PrivateData->HobList.HandoffInformationTable);
HandOffHob->BootMode = BootMode;
return EFI_SUCCESS;
}
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