mirror of https://github.com/acidanthera/audk.git
110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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DevicePathDriver.c
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Abstract:
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Device Path Driver to produce DevPathUtilities Protocol, DevPathFromText Protocol
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and DevPathToText Protocol.
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--*/
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#include "DevicePath.h"
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EFI_HANDLE mDevicePathHandle = NULL;
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GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_UTILITIES_PROTOCOL mDevicePathUtilities = {
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GetDevicePathSizeProtocolInterface,
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DuplicateDevicePathProtocolInterface,
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AppendDevicePathProtocolInterface,
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AppendDeviceNodeProtocolInterface,
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AppendDevicePathInstanceProtocolInterface,
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GetNextDevicePathInstanceProtocolInterface,
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IsDevicePathMultiInstanceProtocolInterface,
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CreateDeviceNodeProtocolInterface
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};
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GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_TO_TEXT_PROTOCOL mDevicePathToText = {
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ConvertDeviceNodeToText,
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ConvertDevicePathToText
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};
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GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL mDevicePathFromText = {
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ConvertTextToDeviceNode,
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ConvertTextToDevicePath
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};
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GLOBAL_REMOVE_IF_UNREFERENCED const EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL;
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GLOBAL_REMOVE_IF_UNREFERENCED const EFI_GUID mEfiDevicePathMessagingSASGuid = DEVICE_PATH_MESSAGING_SAS;
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EFI_STATUS
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EFIAPI
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DevicePathEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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/*++
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Routine Description:
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Entry point for EFI drivers.
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Arguments:
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ImageHandle - EFI_HANDLE
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SystemTable - EFI_SYSTEM_TABLE
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Returns:
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EFI_SUCCESS
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others
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--*/
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{
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EFI_STATUS Status;
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Status = EFI_UNSUPPORTED;
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if (FeaturePcdGet (PcdDevicePathSupportDevicePathToText)) {
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if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mDevicePathHandle,
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&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
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&gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,
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&gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,
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NULL
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);
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} else {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mDevicePathHandle,
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&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
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&gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,
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NULL
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);
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}
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} else {
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if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mDevicePathHandle,
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&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
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&gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,
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NULL
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);
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} else {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mDevicePathHandle,
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&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
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NULL
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);
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}
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}
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return Status;
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}
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