108 lines
4.0 KiB
C
108 lines
4.0 KiB
C
/** @file
|
|
Identify Boot Medium Information
|
|
|
|
@copyright
|
|
INTEL CONFIDENTIAL
|
|
Copyright 2018 - 2019 Intel Corporation.
|
|
|
|
The source code contained or described herein and all documents related to the
|
|
source code ("Material") are owned by Intel Corporation or its suppliers or
|
|
licensors. Title to the Material remains with Intel Corporation or its suppliers
|
|
and licensors. The Material may contain trade secrets and proprietary and
|
|
confidential information of Intel Corporation and its suppliers and licensors,
|
|
and is protected by worldwide copyright and trade secret laws and treaty
|
|
provisions. No part of the Material may be used, copied, reproduced, modified,
|
|
published, uploaded, posted, transmitted, distributed, or disclosed in any way
|
|
without Intel's prior express written permission.
|
|
|
|
No license under any patent, copyright, trade secret or other intellectual
|
|
property right is granted to or conferred upon you by disclosure or delivery
|
|
of the Materials, either expressly, by implication, inducement, estoppel or
|
|
otherwise. Any license under such intellectual property rights must be
|
|
express and approved by Intel in writing.
|
|
|
|
Unless otherwise agreed by Intel in writing, you may not remove or alter
|
|
this notice or any other notice embedded in Materials by Intel or
|
|
Intel's suppliers or licensors in any way.
|
|
|
|
This file contains a 'Sample Driver' and is licensed as such under the terms
|
|
of your license agreement with Intel or your vendor. This file may be modified
|
|
by the user, subject to the additional terms of the license agreement.
|
|
|
|
@par Specification Reference:
|
|
**/
|
|
|
|
#include "BootMediaInfo.h"
|
|
|
|
/**
|
|
@param ImageHandle A handle for the image that is initializing this driver
|
|
@param SystemTable A pointer to the EFI system table
|
|
|
|
@retval EFI_SUCCESS The entry point is executed successfully.
|
|
@retval EFI_NOT_FOUND The firmware boot media type could not be found.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
BootMediaDriverEntry (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
BOOT_DEVICE_SETUP BootDeviceInfo;
|
|
UINTN VariableSize;
|
|
FW_BOOT_MEDIA_TYPE FwBootMediaType;
|
|
VariableSize = 0;
|
|
Status = gRT->GetVariable (
|
|
BOOT_DEVICE_INFO_VARIABLE_NAME,
|
|
&gBootDeviceInfoGuid,
|
|
NULL,
|
|
&VariableSize,
|
|
&BootDeviceInfo
|
|
);
|
|
if (Status == RETURN_BUFFER_TOO_SMALL) {
|
|
DEBUG ((DEBUG_INFO, "FirmwareBootMediaInfo variable has already existed.\n"));
|
|
return EFI_SUCCESS;
|
|
}
|
|
FwBootMediaType = FwBootMediaMax;
|
|
Status = GetFirmwareBootMediaType (&FwBootMediaType);
|
|
if (Status == EFI_SUCCESS) {
|
|
switch (FwBootMediaType) {
|
|
case FwBootMediaSpi:
|
|
BootDeviceInfo.Version = BOOT_DEVICE_INFO_REVISION;
|
|
BootDeviceInfo.BootDeviceType = FwBootMediaSpi;
|
|
BootDeviceInfo.Partition = 0;
|
|
DEBUG ((DEBUG_INFO, "FirmwareBootMediaLib: FwBootMediaType is SPI\n"));
|
|
break;
|
|
case FwBootMediaUfs:
|
|
BootDeviceInfo.Version = BOOT_DEVICE_INFO_REVISION;
|
|
BootDeviceInfo.BootDeviceType = FwBootMediaUfs;
|
|
BootDeviceInfo.Partition = UFS_LUN_1;
|
|
DEBUG ((DEBUG_INFO, "FirmwareBootMediaLib: FwBootMediaType is UFS\n"));
|
|
break;
|
|
default:
|
|
DEBUG ((DEBUG_ERROR, "FirmwareBootMediaLib Error: The firmware boot media type could not be found\n"));
|
|
return EFI_NOT_FOUND;
|
|
}
|
|
} else {
|
|
DEBUG ((DEBUG_ERROR, "FirmwareBootMediaLib Error: Cannot Get Firmware Boot Media Type\n"));
|
|
return Status;
|
|
}
|
|
|
|
VariableSize = sizeof (BootDeviceInfo);
|
|
Status = gRT->SetVariable (
|
|
BOOT_DEVICE_INFO_VARIABLE_NAME,
|
|
&gBootDeviceInfoGuid,
|
|
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
|
|
VariableSize,
|
|
&BootDeviceInfo
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
DEBUG ((DEBUG_INFO, "BootMediaInfo set variable successfully.\n"));
|
|
return EFI_SUCCESS;
|
|
}
|