mirror of https://github.com/acidanthera/audk.git
240 lines
8.3 KiB
C
240 lines
8.3 KiB
C
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/** @file
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File explorer lib.
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Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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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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**/
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#ifndef _FILE_EXPLORER_H_
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#define _FILE_EXPLORER_H_
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#include <PiDxe.h>
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#include <Guid/FileSystemVolumeLabelInfo.h>
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#include <Guid/FileInfo.h>
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#include <Guid/MdeModuleHii.h>
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#include <Protocol/HiiConfigAccess.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/SimpleFileSystem.h>
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#include <Protocol/DevicePathToText.h>
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#include <Protocol/LoadFile.h>
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#include <Protocol/FormBrowser2.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/FileExplorerLib.h>
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#include <Library/HiiLib.h>
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#include <Library/PrintLib.h>
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#include "FormGuid.h"
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#define FILE_EXPLORER_CALLBACK_DATA_SIGNATURE SIGNATURE_32 ('f', 'e', 'c', 'k')
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#pragma pack(1)
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///
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/// HII specific Vendor Device Path definition.
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///
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typedef struct {
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VENDOR_DEVICE_PATH VendorDevicePath;
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EFI_DEVICE_PATH_PROTOCOL End;
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} HII_VENDOR_DEVICE_PATH;
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typedef struct {
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EFI_HANDLE DeviceHandle;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_FILE_HANDLE FileHandle;
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UINT16 *FileName;
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BOOLEAN IsRoot;
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BOOLEAN IsDir;
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} FILE_CONTEXT;
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typedef struct {
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UINTN Signature;
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LIST_ENTRY Link;
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UINT16 *DisplayString;
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UINT16 *HelpString;
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EFI_STRING_ID DisplayStringToken;
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EFI_STRING_ID HelpStringToken;
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VOID *VariableContext;
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} MENU_ENTRY;
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typedef struct {
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UINTN Signature;
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LIST_ENTRY Head;
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UINTN MenuNumber;
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BOOLEAN Used;
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} MENU_OPTION;
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typedef struct {
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//
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// Shared callback data.
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//
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UINTN Signature;
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//
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// File explorer formset callback data.
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//
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EFI_HII_HANDLE FeHiiHandle;
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EFI_HANDLE FeDriverHandle;
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EFI_HII_CONFIG_ACCESS_PROTOCOL FeConfigAccess;
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EFI_FORM_BROWSER2_PROTOCOL *FormBrowser2;
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MENU_OPTION *FsOptionMenu;
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CHAR16 *FileType;
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CHOOSE_HANDLER ChooseHandler;
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EFI_DEVICE_PATH_PROTOCOL *RetDevicePath;
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} FILE_EXPLORER_CALLBACK_DATA;
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#define FILE_EXPLORER_PRIVATE_FROM_THIS(a) CR (a, FILE_EXPLORER_CALLBACK_DATA, FeConfigAccess, FILE_EXPLORER_CALLBACK_DATA_SIGNATURE)
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#pragma pack()
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extern UINT8 FileExplorerVfrBin[];
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#define MENU_OPTION_SIGNATURE SIGNATURE_32 ('m', 'e', 'n', 'u')
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#define MENU_ENTRY_SIGNATURE SIGNATURE_32 ('e', 'n', 't', 'r')
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///
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/// Define the maximum characters that will be accepted.
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///
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#define MAX_CHAR 480
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#define FILE_OPTION_OFFSET 0x8000
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#define FILE_OPTION_MASK 0x7FFF
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/**
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This function processes the results of changes in configuration.
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When user select a interactive opcode, this callback will be triggered.
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Based on the Question(QuestionId) that triggers the callback, the corresponding
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actions is performed. It handles:
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1) the addition of boot option.
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2) the addition of driver option.
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3) exit from file browser
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4) update of file content if a dir is selected.
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5) boot the file if a file is selected in "boot from file"
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@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param Action Specifies the type of action taken by the browser.
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@param QuestionId A unique value which is sent to the original exporting driver
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so that it can identify the type of data to expect.
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@param Type The type of value for the question.
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@param Value A pointer to the data being sent to the original exporting driver.
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@param ActionRequest On return, points to the action requested by the callback function.
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@retval EFI_SUCCESS The callback successfully handled the action.
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@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
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@retval EFI_DEVICE_ERROR The variable could not be saved.
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@retval EFI_UNSUPPORTED The specified Action is not supported by the callback.
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**/
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EFI_STATUS
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EFIAPI
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LibCallback (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN EFI_BROWSER_ACTION Action,
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IN EFI_QUESTION_ID QuestionId,
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IN UINT8 Type,
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IN EFI_IFR_TYPE_VALUE *Value,
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OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
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);
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/**
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This function allows a caller to extract the current configuration for one
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or more named elements from the target driver.
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@param This - Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param Request - A null-terminated Unicode string in <ConfigRequest> format.
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@param Progress - On return, points to a character in the Request string.
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Points to the string's null terminator if request was successful.
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Points to the most recent '&' before the first failing name/value
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pair (or the beginning of the string if the failure is in the
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first name/value pair) if the request was not successful.
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@param Results - A null-terminated Unicode string in <ConfigAltResp> format which
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has all values filled in for the names in the Request string.
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String to be allocated by the called function.
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@retval EFI_SUCCESS The Results is filled with the requested values.
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@retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
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@retval EFI_INVALID_PARAMETER Request is NULL, illegal syntax, or unknown name.
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@retval EFI_NOT_FOUND Routing data doesn't match any storage in this driver.
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**/
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EFI_STATUS
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EFIAPI
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LibExtractConfig (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN CONST EFI_STRING Request,
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OUT EFI_STRING *Progress,
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OUT EFI_STRING *Results
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);
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/**
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This function processes the results of changes in configuration.
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@param This - Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param Configuration - A null-terminated Unicode string in <ConfigResp> format.
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@param Progress - A pointer to a string filled in with the offset of the most
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recent '&' before the first failing name/value pair (or the
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beginning of the string if the failure is in the first
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name/value pair) or the terminating NULL if all was successful.
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@retval EFI_SUCCESS The Results is processed successfully.
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@retval EFI_INVALID_PARAMETER Configuration is NULL.
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@retval EFI_NOT_FOUND Routing data doesn't match any storage in this driver.
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**/
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EFI_STATUS
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EFIAPI
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LibRouteConfig (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN CONST EFI_STRING Configuration,
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OUT EFI_STRING *Progress
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);
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/**
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Update the file explower page with the refershed file system.
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@param KeyValue Key value to identify the type of data to expect.
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@retval EFI_SUCCESS Update the file explorer form success.
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@retval other errors Error occur when parse one directory.
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**/
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EFI_STATUS
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LibUpdateFileExplorer (
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IN UINT16 KeyValue
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);
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/**
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Get the device path info saved in the menu structure.
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@param KeyValue Key value to identify the type of data to expect.
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**/
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VOID
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LibGetDevicePath (
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IN UINT16 KeyValue
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);
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#endif
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