mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-21 15:57:42 +01:00
100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
|
/** @file
|
||
|
|
Device Path Driver to produce DevPathUtilities Protocol, DevPathFromText Protocol
|
||
|
|
and DevPathToText Protocol.
|
||
|
|
|
||
|
|
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
|
||
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
|
||
|
|
**/
|
||
|
|
|
||
|
|
#include <Uefi.h>
|
||
|
|
#include <Protocol/DevicePathUtilities.h>
|
||
|
|
#include <Protocol/DevicePathToText.h>
|
||
|
|
#include <Protocol/DevicePathFromText.h>
|
||
|
|
#include <Library/UefiDriverEntryPoint.h>
|
||
|
|
#include <Library/UefiBootServicesTableLib.h>
|
||
|
|
#include <Library/DevicePathLib.h>
|
||
|
|
#include <Library/PcdLib.h>
|
||
|
|
|
||
|
|
GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_UTILITIES_PROTOCOL mDevicePathUtilities = {
|
||
|
|
GetDevicePathSize,
|
||
|
|
DuplicateDevicePath,
|
||
|
|
AppendDevicePath,
|
||
|
|
AppendDevicePathNode,
|
||
|
|
AppendDevicePathInstance,
|
||
|
|
GetNextDevicePathInstance,
|
||
|
|
IsDevicePathMultiInstance,
|
||
|
|
CreateDeviceNode
|
||
|
|
};
|
||
|
|
|
||
|
|
GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_TO_TEXT_PROTOCOL mDevicePathToText = {
|
||
|
|
ConvertDeviceNodeToText,
|
||
|
|
ConvertDevicePathToText
|
||
|
|
};
|
||
|
|
|
||
|
|
GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL mDevicePathFromText = {
|
||
|
|
ConvertTextToDeviceNode,
|
||
|
|
ConvertTextToDevicePath
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
The user Entry Point for DevicePath module.
|
||
|
|
|
||
|
|
This is the entry point for DevicePath module. It installs the UEFI Device Path Utility Protocol and
|
||
|
|
optionally the Device Path to Text and Device Path from Text protocols based on feature flags.
|
||
|
|
|
||
|
|
@param[in] ImageHandle The firmware allocated handle for the EFI image.
|
||
|
|
@param[in] SystemTable A pointer to the EFI System Table.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The entry point is executed successfully.
|
||
|
|
@retval Others Some error occurs when executing this entry point.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
DevicePathEntryPoint (
|
||
|
|
IN EFI_HANDLE ImageHandle,
|
||
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
||
|
|
)
|
||
|
|
{
|
||
|
|
EFI_STATUS Status;
|
||
|
|
EFI_HANDLE Handle;
|
||
|
|
|
||
|
|
Handle = NULL;
|
||
|
|
Status = EFI_UNSUPPORTED;
|
||
|
|
if (FeaturePcdGet (PcdDevicePathSupportDevicePathToText)) {
|
||
|
|
if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {
|
||
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
||
|
|
&Handle,
|
||
|
|
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
|
||
|
|
&gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,
|
||
|
|
&gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
||
|
|
&Handle,
|
||
|
|
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
|
||
|
|
&gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {
|
||
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
||
|
|
&Handle,
|
||
|
|
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
|
||
|
|
&gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
||
|
|
&Handle,
|
||
|
|
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return Status;
|
||
|
|
}
|