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280 lines
7.9 KiB
280 lines
7.9 KiB
/** @file
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Main file for attrib shell level 2 function.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2009 - 2018, 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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#include "UefiShellLevel2CommandsLib.h"
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// This function was from from the BdsLib implementation in
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// IntelFrameworkModulePkg\Library\GenericBdsLib\BdsConnect.c
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// function name: BdsLibConnectAllEfi
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/**
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This function will connect all current system handles recursively. The
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connection will finish until every handle's child handle created if it have.
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@retval EFI_SUCCESS All handles and it's child handle have been
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connected
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@retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
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**/
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EFI_STATUS
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ConnectAllEfi (
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VOID
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)
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{
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EFI_STATUS Status;
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UINTN HandleCount;
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EFI_HANDLE *HandleBuffer;
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UINTN Index;
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Status = gBS->LocateHandleBuffer (
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AllHandles,
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NULL,
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NULL,
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&HandleCount,
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&HandleBuffer
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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for (Index = 0; Index < HandleCount; Index++) {
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Status = gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
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}
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if (HandleBuffer != NULL) {
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FreePool (HandleBuffer);
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}
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return EFI_SUCCESS;
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}
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/**
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function to load a .EFI driver into memory and possible connect the driver.
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if FileName is NULL then ASSERT.
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@param[in] FileName FileName of the driver to load
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@param[in] Connect Whether to connect or not
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@retval EFI_SUCCESS the driver was loaded and if Connect was
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true then connect was attempted. Connection may
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have failed.
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@retval EFI_OUT_OF_RESOURCES there was insufficient memory
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**/
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EFI_STATUS
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LoadDriver(
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IN CONST CHAR16 *FileName,
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IN CONST BOOLEAN Connect
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)
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{
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EFI_HANDLE LoadedDriverHandle;
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EFI_STATUS Status;
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EFI_DEVICE_PATH_PROTOCOL *FilePath;
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EFI_LOADED_IMAGE_PROTOCOL *LoadedDriverImage;
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LoadedDriverImage = NULL;
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FilePath = NULL;
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LoadedDriverHandle = NULL;
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Status = EFI_SUCCESS;
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ASSERT (FileName != NULL);
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//
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// Fix local copies of the protocol pointers
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//
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Status = CommandInit();
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ASSERT_EFI_ERROR(Status);
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//
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// Convert to DEVICE_PATH
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//
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FilePath = gEfiShellProtocol->GetDevicePathFromFilePath(FileName);
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if (FilePath == NULL) {
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ASSERT(FALSE);
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return (EFI_INVALID_PARAMETER);
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}
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//
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// Use LoadImage to get it into memory
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//
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Status = gBS->LoadImage(
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FALSE,
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gImageHandle,
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FilePath,
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NULL,
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0,
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&LoadedDriverHandle);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOAD_NOT_IMAGE), gShellLevel2HiiHandle, FileName, Status);
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} else {
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//
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// Make sure it is a driver image
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//
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Status = gBS->HandleProtocol (LoadedDriverHandle, &gEfiLoadedImageProtocolGuid, (VOID *) &LoadedDriverImage);
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ASSERT (LoadedDriverImage != NULL);
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if ( EFI_ERROR(Status)
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|| ( LoadedDriverImage->ImageCodeType != EfiBootServicesCode
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&& LoadedDriverImage->ImageCodeType != EfiRuntimeServicesCode)
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){
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOAD_NOT_DRIVER), gShellLevel2HiiHandle, FileName);
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//
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// Exit and unload the non-driver image
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//
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gBS->Exit(LoadedDriverHandle, EFI_INVALID_PARAMETER, 0, NULL);
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Status = EFI_INVALID_PARAMETER;
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}
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}
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if (!EFI_ERROR(Status)) {
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//
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// Start the image
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//
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Status = gBS->StartImage(LoadedDriverHandle, NULL, NULL);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOAD_ERROR), gShellLevel2HiiHandle, FileName, Status);
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} else {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOAD_LOADED), gShellLevel2HiiHandle, FileName, LoadedDriverImage->ImageBase, Status);
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}
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}
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if (!EFI_ERROR(Status) && Connect) {
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//
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// Connect it...
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//
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Status = ConnectAllEfi();
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}
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//
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// clean up memory...
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//
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if (FilePath != NULL) {
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FreePool(FilePath);
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}
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return (Status);
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}
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STATIC CONST SHELL_PARAM_ITEM LoadParamList[] = {
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{L"-nc", TypeFlag},
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{NULL, TypeMax}
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};
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/**
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Function for 'load' command.
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@param[in] ImageHandle Handle to the Image (NULL if Internal).
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@param[in] SystemTable Pointer to the System Table (NULL if Internal).
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**/
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SHELL_STATUS
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EFIAPI
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ShellCommandRunLoad (
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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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EFI_STATUS Status;
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LIST_ENTRY *Package;
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CHAR16 *ProblemParam;
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SHELL_STATUS ShellStatus;
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UINTN ParamCount;
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EFI_SHELL_FILE_INFO *ListHead;
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EFI_SHELL_FILE_INFO *Node;
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ListHead = NULL;
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ProblemParam = NULL;
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ShellStatus = SHELL_SUCCESS;
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//
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// initialize the shell lib (we must be in non-auto-init...)
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//
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Status = ShellInitialize();
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ASSERT_EFI_ERROR(Status);
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//
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// parse the command line
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//
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Status = ShellCommandLineParse (LoadParamList, &Package, &ProblemParam, TRUE);
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if (EFI_ERROR(Status)) {
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if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"load", ProblemParam);
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FreePool(ProblemParam);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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ASSERT(FALSE);
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}
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} else {
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//
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// check for "-?"
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//
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if (ShellCommandLineGetFlag(Package, L"-?")) {
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ASSERT(FALSE);
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} else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
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//
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// we didnt get a single file to load parameter
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//
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"load");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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for ( ParamCount = 1
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; ShellCommandLineGetRawValue(Package, ParamCount) != NULL
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; ParamCount++
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){
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Status = ShellOpenFileMetaArg((CHAR16*)ShellCommandLineGetRawValue(Package, ParamCount), EFI_FILE_MODE_READ, &ListHead);
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if (!EFI_ERROR(Status)) {
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for ( Node = (EFI_SHELL_FILE_INFO *)GetFirstNode(&ListHead->Link)
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; !IsNull(&ListHead->Link, &Node->Link)
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; Node = (EFI_SHELL_FILE_INFO *)GetNextNode(&ListHead->Link, &Node->Link)
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){
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//
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// once we have an error preserve that value, but finish the loop.
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//
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if (EFI_ERROR(Status)) {
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LoadDriver(Node->FullName, (BOOLEAN)(ShellCommandLineGetFlag(Package, L"-nc")==FALSE));
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} else {
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Status = LoadDriver(Node->FullName, (BOOLEAN)(ShellCommandLineGetFlag(Package, L"-nc")==FALSE));
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}
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} // for loop for multi-open
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if (EFI_ERROR(Status)) {
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ShellCloseFileMetaArg(&ListHead);
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} else {
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Status = ShellCloseFileMetaArg(&ListHead);;
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}
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} else {
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//
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// no files found.
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//
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, L"load", (CHAR16*)ShellCommandLineGetRawValue(Package, ParamCount));
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ShellStatus = SHELL_NOT_FOUND;
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}
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} // for loop for params
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}
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//
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// free the command line package
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//
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ShellCommandLineFreeVarList (Package);
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}
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if (EFI_ERROR(Status) && ShellStatus == SHELL_SUCCESS) {
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ShellStatus = SHELL_DEVICE_ERROR;
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}
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return (ShellStatus);
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}
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