mirror of
https://github.com/acidanthera/audk.git
synced 2025-11-04 13:35:48 +01:00
48557c6550
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7105 6f19259b-4bc3-4df7-8a09-765794883524
104 lines
3.9 KiB
C
104 lines
3.9 KiB
C
/** @file
|
|
Device Path Driver to produce DevPathUtilities Protocol, DevPathFromText Protocol
|
|
and DevPathToText Protocol.
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
|
|
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 "DevicePath.h"
|
|
|
|
EFI_HANDLE mDevicePathHandle = NULL;
|
|
|
|
GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_UTILITIES_PROTOCOL mDevicePathUtilities = {
|
|
GetDevicePathSizeProtocolInterface,
|
|
DuplicateDevicePathProtocolInterface,
|
|
AppendDevicePathProtocolInterface,
|
|
AppendDeviceNodeProtocolInterface,
|
|
AppendDevicePathInstanceProtocolInterface,
|
|
GetNextDevicePathInstanceProtocolInterface,
|
|
IsDevicePathMultiInstanceProtocolInterface,
|
|
CreateDeviceNodeProtocolInterface
|
|
};
|
|
|
|
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
|
|
};
|
|
|
|
GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL;
|
|
GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_GUID mEfiDevicePathMessagingSASGuid = DEVICE_PATH_MESSAGING_SAS;
|
|
|
|
|
|
|
|
/**
|
|
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;
|
|
|
|
Status = EFI_UNSUPPORTED;
|
|
if (FeaturePcdGet (PcdDevicePathSupportDevicePathToText)) {
|
|
if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&mDevicePathHandle,
|
|
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
|
|
&gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,
|
|
&gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,
|
|
NULL
|
|
);
|
|
} else {
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&mDevicePathHandle,
|
|
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
|
|
&gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,
|
|
NULL
|
|
);
|
|
}
|
|
} else {
|
|
if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&mDevicePathHandle,
|
|
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
|
|
&gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,
|
|
NULL
|
|
);
|
|
} else {
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&mDevicePathHandle,
|
|
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
|
|
NULL
|
|
);
|
|
}
|
|
}
|
|
return Status;
|
|
}
|