sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add 4 APIs to DevicePathLib: ConvertDeviceNodeToText, ConvertDevicePathToText, ConvertTextToDeviceNode and ConvertTextToDevicePath.

Browse Source 
Add a new instance of DevicePathLib which tries to locate the protocol and if it's not found, it uses the internal functions.

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14504 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ruiyu Ni
2013-07-26 03:00:21 +00:00
committed by niruiyu
parent 1fd4578528
commit 4d0a30a494
15 changed files with 2490 additions and 1849 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
MdeModulePkg/Universal/DevicePathDxe/DevicePath.c
View File

@@ -2,7 +2,7 @@
Device Path Driver to produce DevPathUtilities Protocol, DevPathFromText Protocol
and DevPathToText Protocol.
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
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
@@ -13,19 +13,24 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "DevicePath.h"
EFI_HANDLE mDevicePathHandle = NULL;
#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 = {
GetDevicePathSizeProtocolInterface,
DuplicateDevicePathProtocolInterface,
AppendDevicePathProtocolInterface,
AppendDeviceNodeProtocolInterface,
AppendDevicePathInstanceProtocolInterface,
GetNextDevicePathInstanceProtocolInterface,
IsDevicePathMultiInstanceProtocolInterface,
CreateDeviceNodeProtocolInterface
GetDevicePathSize,
DuplicateDevicePath,
AppendDevicePath,
AppendDevicePathNode,
AppendDevicePathInstance,
GetNextDevicePathInstance,
IsDevicePathMultiInstance,
CreateDeviceNode
};
GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_TO_TEXT_PROTOCOL mDevicePathToText = {
@@ -38,11 +43,6 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL mDevicePa
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.
@@ -64,12 +64,14 @@ DevicePathEntryPoint (
)
{
EFI_STATUS Status;
EFI_HANDLE Handle;
Handle = NULL;
Status = EFI_UNSUPPORTED;
if (FeaturePcdGet (PcdDevicePathSupportDevicePathToText)) {
if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {
Status = gBS->InstallMultipleProtocolInterfaces (
&mDevicePathHandle,
&Handle,
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
&gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,
&gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,
@@ -77,7 +79,7 @@ DevicePathEntryPoint (
);
} else {
Status = gBS->InstallMultipleProtocolInterfaces (
&mDevicePathHandle,
&Handle,
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
&gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,
NULL
@@ -86,14 +88,14 @@ DevicePathEntryPoint (
} else {
if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {
Status = gBS->InstallMultipleProtocolInterfaces (
&mDevicePathHandle,
&Handle,
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
&gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,
NULL
);
} else {
Status = gBS->InstallMultipleProtocolInterfaces (
&mDevicePathHandle,
&Handle,
&gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,
NULL
);