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410 lines
15 KiB
C
410 lines
15 KiB
C
/** @file
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Main file for LoadPciRom shell Debug1 function.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2005 - 2016, 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 "UefiShellDebug1CommandsLib.h"
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#include <IndustryStandard/Pci22.h>
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#include <IndustryStandard/Pci23.h>
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#include <IndustryStandard/PeImage.h>
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#include <Protocol/Decompress.h>
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/**
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Connects all available drives and controllers.
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@retval EFI_SUCCESS The operation was successful.
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@retval EFI_ABORTED The abort mechanism was received.
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**/
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EFI_STATUS
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LoadPciRomConnectAllDriversToAllControllers (
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VOID
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);
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/**
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Command entry point.
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@param[in] RomBar The Rom Base address.
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@param[in] RomSize The Rom size.
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@param[in] FileName The file name.
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@retval EFI_SUCCESS The command completed successfully.
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@retval EFI_INVALID_PARAMETER Command usage error.
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@retval EFI_UNSUPPORTED Protocols unsupported.
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@retval EFI_OUT_OF_RESOURCES Out of memory.
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@retval Other value Unknown error.
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**/
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EFI_STATUS
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LoadEfiDriversFromRomImage (
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VOID *RomBar,
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UINTN RomSize,
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CONST CHAR16 *FileName
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);
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STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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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 'loadpcirom' 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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ShellCommandRunLoadPciRom (
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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_SHELL_FILE_INFO *FileList;
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UINTN SourceSize;
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UINT8 *File1Buffer;
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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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BOOLEAN Connect;
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CONST CHAR16 *Param;
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UINTN ParamCount;
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EFI_SHELL_FILE_INFO *Node;
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//
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// Local variable initializations
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//
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File1Buffer = NULL;
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ShellStatus = SHELL_SUCCESS;
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FileList = NULL;
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//
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// verify number of arguments
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//
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Status = ShellCommandLineParse (ParamList, &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), gShellDebug1HiiHandle, L"loadpcirom", 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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if (ShellCommandLineGetCount(Package) < 2) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"loadpcirom");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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if (ShellCommandLineGetFlag(Package, L"-nc")) {
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Connect = FALSE;
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} else {
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Connect = TRUE;
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}
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//
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// get a list with each file specified by parameters
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// if parameter is a directory then add all the files below it to the list
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//
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for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)
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; Param != NULL
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; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)
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){
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Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Param);
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ShellStatus = SHELL_ACCESS_DENIED;
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break;
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}
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}
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if (ShellStatus == SHELL_SUCCESS && FileList != NULL) {
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//
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// loop through the list and make sure we are not aborting...
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//
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for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)
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; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()
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; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)
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){
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if (EFI_ERROR(Node->Status)){
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName);
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ShellStatus = SHELL_INVALID_PARAMETER;
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continue;
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}
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if (FileHandleIsDirectory(Node->Handle) == EFI_SUCCESS) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName);
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ShellStatus = SHELL_INVALID_PARAMETER;
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continue;
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}
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SourceSize = (UINTN) Node->Info->FileSize;
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File1Buffer = AllocateZeroPool (SourceSize);
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if (File1Buffer == NULL) {
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ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellDebug1HiiHandle, L"loadpcirom");
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ShellStatus = SHELL_OUT_OF_RESOURCES;
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continue;
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}
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Status = gEfiShellProtocol->ReadFile(Node->Handle, &SourceSize, File1Buffer);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_READ_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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Status = LoadEfiDriversFromRomImage (
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File1Buffer,
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SourceSize,
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Node->FullName
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);
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOAD_PCI_ROM_RES), gShellDebug1HiiHandle, Node->FullName, Status);
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}
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FreePool(File1Buffer);
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}
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} else if (ShellStatus == SHELL_SUCCESS) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_SPEC), gShellDebug1HiiHandle, "loadpcirom");
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ShellStatus = SHELL_NOT_FOUND;
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}
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if (FileList != NULL && !IsListEmpty(&FileList->Link)) {
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Status = ShellCloseFileMetaArg(&FileList);
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}
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FileList = NULL;
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if (Connect) {
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Status = LoadPciRomConnectAllDriversToAllControllers ();
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}
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}
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}
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return (ShellStatus);
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}
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/**
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Command entry point.
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@param[in] RomBar The Rom Base address.
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@param[in] RomSize The Rom size.
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@param[in] FileName The file name.
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@retval EFI_SUCCESS The command completed successfully.
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@retval EFI_INVALID_PARAMETER Command usage error.
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@retval EFI_UNSUPPORTED Protocols unsupported.
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@retval EFI_OUT_OF_RESOURCES Out of memory.
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@retval Other value Unknown error.
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**/
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EFI_STATUS
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LoadEfiDriversFromRomImage (
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VOID *RomBar,
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UINTN RomSize,
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CONST CHAR16 *FileName
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)
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{
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EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;
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PCI_DATA_STRUCTURE *Pcir;
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UINTN ImageIndex;
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UINTN RomBarOffset;
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UINT32 ImageSize;
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UINT16 ImageOffset;
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EFI_HANDLE ImageHandle;
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EFI_STATUS Status;
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EFI_STATUS ReturnStatus;
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CHAR16 RomFileName[280];
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EFI_DEVICE_PATH_PROTOCOL *FilePath;
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BOOLEAN SkipImage;
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UINT32 DestinationSize;
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UINT32 ScratchSize;
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UINT8 *Scratch;
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VOID *ImageBuffer;
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VOID *DecompressedImageBuffer;
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UINT32 ImageLength;
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EFI_DECOMPRESS_PROTOCOL *Decompress;
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UINT32 InitializationSize;
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ImageIndex = 0;
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ReturnStatus = EFI_NOT_FOUND;
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RomBarOffset = (UINTN) RomBar;
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do {
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EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) (UINTN) RomBarOffset;
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if (EfiRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_CORRUPT), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex);
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// PrintToken (STRING_TOKEN (STR_LOADPCIROM_IMAGE_CORRUPT), HiiHandle, ImageIndex);
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return ReturnStatus;
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}
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//
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// If the pointer to the PCI Data Structure is invalid, no further images can be located.
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// The PCI Data Structure must be DWORD aligned.
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//
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if (EfiRomHeader->PcirOffset == 0 ||
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(EfiRomHeader->PcirOffset & 3) != 0 ||
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RomBarOffset - (UINTN)RomBar + EfiRomHeader->PcirOffset + sizeof (PCI_DATA_STRUCTURE) > RomSize) {
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break;
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}
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Pcir = (PCI_DATA_STRUCTURE *) (UINTN) (RomBarOffset + EfiRomHeader->PcirOffset);
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//
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// If a valid signature is not present in the PCI Data Structure, no further images can be located.
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//
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if (Pcir->Signature != PCI_DATA_STRUCTURE_SIGNATURE) {
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break;
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}
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ImageSize = Pcir->ImageLength * 512;
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if (RomBarOffset - (UINTN)RomBar + ImageSize > RomSize) {
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break;
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}
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if ((Pcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) &&
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(EfiRomHeader->EfiSignature == EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE) &&
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((EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER) ||
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(EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER))) {
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ImageOffset = EfiRomHeader->EfiImageHeaderOffset;
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InitializationSize = EfiRomHeader->InitializationSize * 512;
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if (InitializationSize <= ImageSize && ImageOffset < InitializationSize) {
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ImageBuffer = (VOID *) (UINTN) (RomBarOffset + ImageOffset);
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ImageLength = InitializationSize - ImageOffset;
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DecompressedImageBuffer = NULL;
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//
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// decompress here if needed
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//
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SkipImage = FALSE;
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if (EfiRomHeader->CompressionType > EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {
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SkipImage = TRUE;
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}
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if (EfiRomHeader->CompressionType == EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {
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Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID**)&Decompress);
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ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR (Status)) {
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SkipImage = TRUE;
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} else {
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SkipImage = TRUE;
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Status = Decompress->GetInfo (
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Decompress,
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ImageBuffer,
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ImageLength,
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&DestinationSize,
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&ScratchSize
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);
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if (!EFI_ERROR (Status)) {
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DecompressedImageBuffer = AllocateZeroPool (DestinationSize);
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if (ImageBuffer != NULL) {
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Scratch = AllocateZeroPool (ScratchSize);
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if (Scratch != NULL) {
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Status = Decompress->Decompress (
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Decompress,
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ImageBuffer,
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ImageLength,
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DecompressedImageBuffer,
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DestinationSize,
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Scratch,
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ScratchSize
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);
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if (!EFI_ERROR (Status)) {
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ImageBuffer = DecompressedImageBuffer;
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ImageLength = DestinationSize;
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SkipImage = FALSE;
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}
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FreePool (Scratch);
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}
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}
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}
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}
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}
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if (!SkipImage) {
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//
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// load image and start image
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//
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UnicodeSPrint (RomFileName, sizeof (RomFileName), L"%s[%d]", FileName, ImageIndex);
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FilePath = FileDevicePath (NULL, RomFileName);
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Status = gBS->LoadImage (
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TRUE,
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gImageHandle,
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FilePath,
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ImageBuffer,
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ImageLength,
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&ImageHandle
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);
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if (EFI_ERROR (Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_LOAD_FAIL), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex);
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// PrintToken (STRING_TOKEN (STR_LOADPCIROM_LOAD_IMAGE_ERROR), HiiHandle, ImageIndex, Status);
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} else {
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Status = gBS->StartImage (ImageHandle, NULL, NULL);
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if (EFI_ERROR (Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_START_FAIL), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex);
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// PrintToken (STRING_TOKEN (STR_LOADPCIROM_START_IMAGE), HiiHandle, ImageIndex, Status);
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} else {
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ReturnStatus = Status;
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}
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}
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}
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if (DecompressedImageBuffer != NULL) {
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FreePool (DecompressedImageBuffer);
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}
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}
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}
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RomBarOffset = RomBarOffset + ImageSize;
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ImageIndex++;
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} while (((Pcir->Indicator & 0x80) == 0x00) && ((RomBarOffset - (UINTN) RomBar) < RomSize));
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return ReturnStatus;
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}
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/**
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Connects all available drives and controllers.
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@retval EFI_SUCCESS The operation was successful.
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@retval EFI_ABORTED The abort mechanism was received.
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**/
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EFI_STATUS
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LoadPciRomConnectAllDriversToAllControllers (
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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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if (ShellGetExecutionBreakFlag ()) {
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Status = EFI_ABORTED;
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break;
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}
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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 Status;
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}
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