audk/Nt32Pkg/BootModePei/BootModePei.c

96 lines
2.1 KiB
C

/**@file
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
Module Name:
BootMode.c
Abstract:
Tiano PEIM to provide the platform support functionality within Windows
**/
//
// The package level header files this module uses
//
#include <PiPei.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Ppi/MasterBootMode.h>
#include <Ppi/BootInRecoveryMode.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/PeimEntryPoint.h>
//
// 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
};
EFI_STATUS
EFIAPI
InitializeBootMode (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Peform the boot mode determination logic
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 Status;
UINTN BootMode;
DEBUG ((EFI_D_ERROR, "NT32 Boot Mode PEIM Loaded\n"));
//
// Let's assume things are OK if not told otherwise
// Should we read an environment variable in order to easily change this?
//
BootMode = BOOT_WITH_FULL_CONFIGURATION;
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;
}