Ejemplo n.º 1
0
/**
  as the real entry point for the application.

  @param[in] ImageHandle    The firmware allocated handle for the EFI image.
  @param[in] SystemTable    A pointer to the EFI System Table.

  @retval EFI_SUCCESS       The entry point is executed successfully.
  @retval other             Some error occurs when executing this entry point.

**/
EFI_STATUS
EFIAPI
UefiMain (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_FILE_HANDLE     FileHandle;
  EFI_STATUS          Status;
  CHAR16              FileName[100];
  UINTN               BufferSize;
  UINT64              Position;
  UINT8               Buffer[200];
  EFI_FILE_INFO       *pFileInfo;
  UINT64              Size;
  BOOLEAN             NoFile;
  EFI_SHELL_FILE_INFO *pShellFileInfo;
  LIST_ENTRY          *List;
  // CONST CHAR16              *Tester;

  FileHandle = NULL;
  StrCpy(FileName, L"testfile.txt");
//  Position = 0;
  pFileInfo = NULL;
  Size = 0;
  NoFile = FALSE;
  pShellFileInfo = NULL;
  List = NULL;

  // command line param functions
  Status = ShellCommandLineParse(ParamList, &List, NULL, FALSE);
  // if you put an invalid parameter you SHOULD hit this assert.
  ASSERT_EFI_ERROR(Status);
  if (List) {
    ASSERT(ShellCommandLineGetFlag(List, L"/Param5") == FALSE);
    ASSERT(ShellCommandLineGetFlag(List, L"/Param1") != FALSE);
    ASSERT(StrCmp(ShellCommandLineGetValue(List, L"/Param2"), L"Val1")==0);
    ASSERT(StrCmp(ShellCommandLineGetRawValue(List, 0), L"SimpleApplication.efi")==0);
    // Tester = ShellCommandLineGetValue(List, L"/Param3");
    // Tester = ShellCommandLineGetValue(List, L"/Param4");

    ShellCommandLineFreeVarList(List);
  } else {
    Print(L"param checking skipped.\r\n");
  }

//  return (EFI_SUCCESS);


  ASSERT(ShellGetExecutionBreakFlag() == FALSE);
  ASSERT(StrCmp(ShellGetCurrentDir(NULL), L"f10:\\") == 0);
  Print(L"execution break and get cur dir - pass\r\n");

  ShellSetPageBreakMode(TRUE);

  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  ASSERT_EFI_ERROR(Status);

  BufferSize = StrSize(FileName);
  Status = ShellWriteFile(FileHandle, &BufferSize, FileName);
  ASSERT_EFI_ERROR(Status);
  Status = ShellGetFilePosition(FileHandle, &Position);
  ASSERT_EFI_ERROR(Status);
  ASSERT(Position == 0x1A);
  Status = ShellSetFilePosition(FileHandle, 0);
  ASSERT_EFI_ERROR(Status);
  BufferSize = sizeof(Buffer) * sizeof(Buffer[0]);
  Status = ShellReadFile(FileHandle, &BufferSize, Buffer);
  ASSERT_EFI_ERROR(Status);
  ASSERT(BufferSize == 0x1A);
  ASSERT(StrCmp((CHAR16*)Buffer, FileName) == 0);
  pFileInfo = ShellGetFileInfo(FileHandle);
  ASSERT(pFileInfo != NULL);
  ASSERT(StrCmp(pFileInfo->FileName, FileName) == 0);
  ASSERT(pFileInfo->FileSize == 0x1A);
  FreePool(pFileInfo);
  pFileInfo = NULL;
  Status = ShellCloseFile(&FileHandle);
  ASSERT_EFI_ERROR(Status);
  Print(L"read, write, create, getinfo - pass\r\n");

  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  ASSERT_EFI_ERROR(Status);
  pFileInfo = ShellGetFileInfo(FileHandle);
  ASSERT(pFileInfo != NULL);
  pFileInfo->FileSize = 0x20;
  Status = ShellSetFileInfo(FileHandle, pFileInfo);
  FreePool(pFileInfo);
  pFileInfo = NULL;
  ASSERT_EFI_ERROR(Status);
  pFileInfo = ShellGetFileInfo(FileHandle);
  ASSERT(pFileInfo != NULL);
  ASSERT(StrCmp(pFileInfo->FileName, FileName) == 0);
  ASSERT(pFileInfo->PhysicalSize == 0x20);
  ASSERT(pFileInfo->FileSize == 0x20);
  ASSERT((pFileInfo->Attribute&EFI_FILE_DIRECTORY)==0);
  FreePool(pFileInfo);
  Status = ShellGetFileSize(FileHandle, &Size);
  ASSERT(Size == 0x20);
  ASSERT_EFI_ERROR(Status);
  Status = ShellCloseFile(&FileHandle);
  ASSERT_EFI_ERROR(Status);
  Print(L"setinfo and change size, getsize - pass\r\n");

  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  ASSERT_EFI_ERROR(Status);

  pFileInfo = ShellGetFileInfo(FileHandle);
  ASSERT(pFileInfo != NULL);
  ASSERT(StrCmp(pFileInfo->FileName, FileName) == 0);
  ASSERT(pFileInfo->PhysicalSize == 0x20);
  ASSERT(pFileInfo->FileSize == 0x20);
  ASSERT((pFileInfo->Attribute&EFI_FILE_DIRECTORY)==0);
  FreePool(pFileInfo);
  pFileInfo = NULL;
  Status = ShellDeleteFile(&FileHandle);
  ASSERT_EFI_ERROR(Status);
  Print(L"reopen file - pass\r\n");

  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  ASSERT_EFI_ERROR(Status);
  pFileInfo = ShellGetFileInfo(FileHandle);
  ASSERT(pFileInfo != NULL);
  ASSERT(StrCmp(pFileInfo->FileName, FileName) == 0);
  ASSERT(pFileInfo->PhysicalSize == 0x0);
  ASSERT(pFileInfo->FileSize == 0x0);
  ASSERT((pFileInfo->Attribute&EFI_FILE_DIRECTORY)==0);
  FreePool(pFileInfo);
  Status = ShellDeleteFile(&FileHandle);
  ASSERT_EFI_ERROR(Status);
  Print(L"size of empty - pass\r\n");

  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  ASSERT(Status == EFI_NOT_FOUND);
  ASSERT(FileHandle == NULL);

  Status = ShellCreateDirectory(FileName, &FileHandle);
  ASSERT_EFI_ERROR(Status);
  ASSERT(FileHandle != NULL);
  pFileInfo = ShellGetFileInfo(FileHandle);
  ASSERT(pFileInfo != NULL);
  ASSERT(StrCmp(pFileInfo->FileName, FileName) == 0);
  ASSERT(pFileInfo->Attribute&EFI_FILE_DIRECTORY);
  Status = ShellDeleteFile(&FileHandle);
  ASSERT_EFI_ERROR(Status);
  Print(L"Directory create - pass\r\n");

  // FindFirst and FindNext
  StrCpy(FileName, L"testDir");
  Status = ShellCreateDirectory(FileName, &FileHandle);
  Status = ShellCloseFile(&FileHandle);
  StrCat(FileName, L"\\File.txt");
  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  ASSERT_EFI_ERROR(Status);
  Status = ShellCloseFile(&FileHandle);
  StrCpy(FileName, L"testDir");
  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  ASSERT_EFI_ERROR(Status);
  Status = ShellFindFirstFile(FileHandle, &pFileInfo);
  ASSERT_EFI_ERROR(Status);
  Status = ShellFindNextFile(FileHandle, pFileInfo, &NoFile);
  ASSERT_EFI_ERROR(Status);
  ASSERT(NoFile == FALSE);
  Status = ShellFindNextFile(FileHandle, pFileInfo, &NoFile);
  ASSERT_EFI_ERROR(Status);
  ASSERT(NoFile == FALSE);
  Status = ShellFindNextFile(FileHandle, pFileInfo, &NoFile);
  ASSERT_EFI_ERROR(Status);
  ///@todo - why is NoFile never set? limitation of NT32 file system?
  Status = ShellDeleteFile(&FileHandle);
  ASSERT(Status == RETURN_WARN_DELETE_FAILURE);
  Print(L"FindFirst - pass\r\n");
  Print(L"FindNext - Verify with real EFI system.  Cant verify NoFile under NT32\r\n");

  // open and close meta arg
  Status = ShellOpenFileMetaArg(L"testDir\\*.*", EFI_FILE_MODE_READ, &pShellFileInfo);
  ASSERT_EFI_ERROR(Status);
  ASSERT(pShellFileInfo->Status == 0);
  ASSERT(StrCmp(pShellFileInfo->FileName, L"File.txt") == 0);
  ASSERT(pShellFileInfo->Handle);
  ASSERT(pShellFileInfo->Info);
  ASSERT(pShellFileInfo->Info->FileSize == 0);
  ASSERT(StrCmp(pShellFileInfo->Info->FileName, L"File.txt") == 0);
  ASSERT(pShellFileInfo->Info->Attribute == 0);

  Status = ShellCloseFileMetaArg(&pShellFileInfo);
  ASSERT_EFI_ERROR(Status);
  Print(L"Open/Close Meta Arg - pass\r\n");

  // now delete that file and that directory
  StrCat(FileName, L"\\File.txt");
  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  ASSERT_EFI_ERROR(Status);
  Status = ShellDeleteFile(&FileHandle);
  StrCpy(FileName, L"testDir");
  ASSERT_EFI_ERROR(Status);
  Status = ShellOpenFileByName(FileName,
                               &FileHandle,
                               EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                               0
                               );
  Status = ShellDeleteFile(&FileHandle);
  ASSERT_EFI_ERROR(Status);

  // get environment variable
  // made for testing under nt32
  ASSERT(StrCmp(ShellGetEnvironmentVariable(L"path"), L".;f10:\\efi\\tools;f10:\\efi\\boot;f10:\\;f9:\\efi\\tools;f9:\\efi\\boot;f9:\\") == 0);
  Print(L"ShellGetEnvironmentVariable - pass\r\n");

  // set environment variable
  Status = ShellSetEnvironmentVariable(L"", L"", FALSE);
  ASSERT(Status == EFI_UNSUPPORTED);
  Print(L"ShellSetEnvironmentVariable - pass\r\n");

  // ShellExecute
  Status = ShellExecute(&ImageHandle, L"EmptyApplication.efi", TRUE, NULL, NULL);
  ASSERT_EFI_ERROR(Status);
  // the pass printout for this is performed by EmptyApplication
  Print(L"\r\n");

  // page break mode (done last so we can see the results)
  // we set this true at the begining of the program
  // this is enough lines to trigger the page...
  Print(L"1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\r\n10\r\n11\r\n12\r\n13\r\n14\r\n15\r\n16\r\n17\r\n18\r\n19\r\n20\r\n21\r\n22\r\n23\r\n24\r\n25\r\n26\r\n27\r\n28\r\n29\r\n30\r\n31\r\n");
  ShellSetPageBreakMode(FALSE);
  Print(L"1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\r\n10\r\n11\r\n12\r\n13\r\n14\r\n15\r\n16\r\n17\r\n18\r\n19\r\n20\r\n21\r\n22\r\n23\r\n24\r\n25\r\n26\r\n27\r\n28\r\n29\r\n30\r\n31\r\n32\r\n33\r\n34\r\n35\r\n36\r\n37\r\n38\r\n39\r\n40\r\n41\r\n42\r\n43\r\n44\r\n45\r\n46\r\n47\r\n48\r\n49\r\n50\r\n51\r\n52\r\n53\r\n54\r\n55\r\n56\r\n57\r\n58\r\n59\r\n60\r\n");

  return EFI_SUCCESS;
}
Ejemplo n.º 2
0
/**
  Function for 'mkdir' command.

  @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunMkDir (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS      Status;
  CONST CHAR16    *NewDirName;
  UINTN           DirCreateCount;
  LIST_ENTRY      *Package;
  CHAR16          *ProblemParam;
  SHELL_FILE_HANDLE          FileHandle;
  SHELL_STATUS    ShellStatus;

  ShellStatus  = SHELL_SUCCESS;

  //
  // initialize the shell lib (we must be in non-auto-init...)
  //
  Status = ShellInitialize();
  ASSERT_EFI_ERROR(Status);

  //
  // parse the command line
  //
  Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  if (EFI_ERROR(Status)) {
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"mkdir", ProblemParam);  
      FreePool(ProblemParam);
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      ASSERT(FALSE);
    }
  } else {
    //
    // check for "-?"
    //
    if (ShellCommandLineGetFlag(Package, L"-?")) {
      ASSERT(FALSE);
    }

    //
    // create a set of directories
    //
    if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
      //
      // we didnt get a single parameter
      //
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"mkdir");  
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      for ( DirCreateCount = 1
          ;
          ; DirCreateCount++
       ){
        //
        // loop through each directory specified
        //

        NewDirName = ShellCommandLineGetRawValue(Package, DirCreateCount);
        if (NewDirName == NULL) {
          break;
        }
        //
        // check if that already exists... if yes fail
        //
        FileHandle = NULL;
        Status = ShellOpenFileByName(NewDirName,
                                    &FileHandle,
                                    EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE,
                                    EFI_FILE_DIRECTORY
                                   );
        if (!EFI_ERROR(Status)) {
          ShellCloseFile(&FileHandle);
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MKDIR_ALREADY), gShellLevel2HiiHandle, NewDirName);
          ShellStatus = SHELL_INVALID_PARAMETER;
          break;
        } else {
          ASSERT(FileHandle == NULL);
          //
          // create the directory named NewDirName
          //
          Status = ShellCreateDirectory(NewDirName, &FileHandle);
          if (FileHandle != NULL) {
            gEfiShellProtocol->CloseFile(FileHandle);
          }
          if (EFI_ERROR(Status)) {
            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MKDIR_CREATEFAIL), gShellLevel2HiiHandle, NewDirName);
            ShellStatus = SHELL_ACCESS_DENIED;
            break;
          }
        }
      }
    }
  }

  //
  // free the command line package
  //
  ShellCommandLineFreeVarList (Package);

  return (ShellStatus);
}
Ejemplo n.º 3
0
Archivo: Cp.c Proyecto: Cutty/edk2
/**
  Function to Copy one file to another location

  If the destination exists the user will be prompted and the result put into *resp

  @param[in] Source     pointer to source file name
  @param[in] Dest       pointer to destination file name
  @param[out] Resp      pointer to response from question.  Pass back on looped calling
  @param[in] SilentMode whether to run in quiet mode or not

  @retval SHELL_SUCCESS   The source file was copied to the destination
**/
SHELL_STATUS
EFIAPI
CopySingleFile(
  IN CONST CHAR16 *Source,
  IN CONST CHAR16 *Dest,
  OUT VOID        **Resp,
  IN BOOLEAN      SilentMode
  )
{
  VOID                  *Response;
  UINTN                 ReadSize;
  SHELL_FILE_HANDLE     SourceHandle;
  SHELL_FILE_HANDLE     DestHandle;
  EFI_STATUS            Status;
  VOID                  *Buffer;
  CHAR16                *TempName;
  UINTN                 Size;
  EFI_SHELL_FILE_INFO   *List;
  SHELL_STATUS          ShellStatus;
  UINT64                SourceFileSize;
  UINT64                DestFileSize;
  EFI_FILE_PROTOCOL     *DestVolumeFP;
  EFI_FILE_SYSTEM_INFO  *DestVolumeInfo;
  UINTN                 DestVolumeInfoSize;

  ASSERT(Resp != NULL);

  SourceHandle    = NULL;
  DestHandle      = NULL;
  Response        = *Resp;
  List            = NULL;
  DestVolumeInfo  = NULL;

  ReadSize = PcdGet16(PcdShellFileOperationSize);
  // Why bother copying a file to itself
  if (StrCmp(Source, Dest) == 0) {
    return (SHELL_SUCCESS);
  }

  //
  // Open destination file without create
  //
  Status = ShellOpenFileByName(Dest, &DestHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0);

  //
  // close file
  //
  if (DestHandle != NULL) {
    ShellCloseFile(&DestHandle);
    DestHandle   = NULL;
  }

  //
  // if the destination file existed check response and possibly prompt user
  //
  if (!EFI_ERROR(Status)) {
    if (Response == NULL && !SilentMode) {
      Status = ShellPromptForResponseHii(ShellPromptResponseTypeYesNoAllCancel, STRING_TOKEN (STR_GEN_DEST_EXIST_OVR), gShellLevel2HiiHandle, &Response);
    }
    //
    // possibly return based on response
    //
    if (!SilentMode) {
      switch (*(SHELL_PROMPT_RESPONSE*)Response) {
        case ShellPromptResponseNo:
          //
          // return success here so we dont stop the process
          //
          return (SHELL_SUCCESS);
        case ShellPromptResponseCancel:
          *Resp = Response;
          //
          // indicate to stop everything
          //
          return (SHELL_ABORTED);
        case ShellPromptResponseAll:
          *Resp = Response;
        case ShellPromptResponseYes:
          break;
        default:
          return SHELL_ABORTED;
      }
    }
  }

  if (ShellIsDirectory(Source) == EFI_SUCCESS) {
    Status = ShellCreateDirectory(Dest, &DestHandle);
    if (EFI_ERROR(Status)) {
      return (SHELL_ACCESS_DENIED);
    }

    //
    // Now copy all the files under the directory...
    //
    TempName    = NULL;
    Size        = 0;
    StrnCatGrow(&TempName, &Size, Source, 0);
    StrnCatGrow(&TempName, &Size, L"\\*", 0);
    if (TempName != NULL) {
      ShellOpenFileMetaArg((CHAR16*)TempName, EFI_FILE_MODE_READ, &List);
      *TempName = CHAR_NULL;
      StrnCatGrow(&TempName, &Size, Dest, 0);
      StrnCatGrow(&TempName, &Size, L"\\", 0);
      ShellStatus = ValidateAndCopyFiles(List, TempName, SilentMode, TRUE, Resp);
      ShellCloseFileMetaArg(&List);
      SHELL_FREE_NON_NULL(TempName);
      Size = 0;
    }
  } else {
      //
      // open file with create enabled
      //
      Status = ShellOpenFileByName(Dest, &DestHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
      if (EFI_ERROR(Status)) {
        return (SHELL_ACCESS_DENIED);
      }

      //
      // open source file
      //
      Status = ShellOpenFileByName(Source, &SourceHandle, EFI_FILE_MODE_READ, 0);
      ASSERT_EFI_ERROR(Status);

      //
      //get file size of source file and freespace available on destination volume
      //
      ShellGetFileSize(SourceHandle, &SourceFileSize);
      ShellGetFileSize(DestHandle, &DestFileSize);

      //
      //if the destination file already exists then it will be replaced, meaning the sourcefile effectively needs less storage space
      //
      if(DestFileSize < SourceFileSize){
        SourceFileSize -= DestFileSize;
      } else {
        SourceFileSize = 0;
      }

      //
      //get the system volume info to check the free space
      //
      DestVolumeFP = ConvertShellHandleToEfiFileProtocol(DestHandle);
      DestVolumeInfo = NULL;
      DestVolumeInfoSize = 0;
      Status = DestVolumeFP->GetInfo(
        DestVolumeFP,
        &gEfiFileSystemInfoGuid,
        &DestVolumeInfoSize,
        DestVolumeInfo
        );

      if (Status == EFI_BUFFER_TOO_SMALL) {
        DestVolumeInfo = AllocateZeroPool(DestVolumeInfoSize);
        Status = DestVolumeFP->GetInfo(
          DestVolumeFP,
          &gEfiFileSystemInfoGuid,
          &DestVolumeInfoSize,
          DestVolumeInfo
          );
      }

      //
      //check if enough space available on destination drive to complete copy
      //
      if (DestVolumeInfo->FreeSpace < SourceFileSize) {
        //
        //not enough space on destination directory to copy file
        //
        SHELL_FREE_NON_NULL(DestVolumeInfo);
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_CPY_FAIL), gShellLevel2HiiHandle);
        return(SHELL_VOLUME_FULL);
      } else {
        //
        // copy data between files
        //
        Buffer = AllocateZeroPool(ReadSize);
        ASSERT(Buffer != NULL);
        while (ReadSize == PcdGet16(PcdShellFileOperationSize) && !EFI_ERROR(Status)) {
          Status = ShellReadFile(SourceHandle, &ReadSize, Buffer);
          Status = ShellWriteFile(DestHandle, &ReadSize, Buffer);
        }
      }
      SHELL_FREE_NON_NULL(DestVolumeInfo);
    }

  //
  // close files
  //
  if (DestHandle != NULL) {
    ShellCloseFile(&DestHandle);
    DestHandle   = NULL;
  }
  if (SourceHandle != NULL) {
    ShellCloseFile(&SourceHandle);
    SourceHandle = NULL;
  }

  //
  // return
  //
  return (SHELL_SUCCESS);
}
Ejemplo n.º 4
0
/**
  Function for 'mkdir' command.

  @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunMkDir (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS      Status;
  CONST CHAR16    *NewDirName;
  CHAR16          *NewDirNameCopy;
  CHAR16          *SplitName;
  CHAR16          SaveSplitChar;
  UINTN           DirCreateCount;
  LIST_ENTRY      *Package;
  CHAR16          *ProblemParam;
  SHELL_FILE_HANDLE          FileHandle;
  SHELL_STATUS    ShellStatus;

  ShellStatus         = SHELL_SUCCESS;
  NewDirNameCopy      = NULL;
  SplitName           = NULL;
  SaveSplitChar       = CHAR_NULL;
  //
  // initialize the shell lib (we must be in non-auto-init...)
  //
  Status = ShellInitialize();
  ASSERT_EFI_ERROR(Status);

  //
  // parse the command line
  //
  Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  if (EFI_ERROR(Status)) {
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"mkdir", ProblemParam);
      FreePool(ProblemParam);
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      ASSERT(FALSE);
    }
  } else {
    //
    // check for "-?"
    //
    if (ShellCommandLineGetFlag(Package, L"-?")) {
      ASSERT(FALSE);
    }

    //
    // create a set of directories
    //
    if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
      //
      // we didnt get a single parameter
      //
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"mkdir");
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      for ( DirCreateCount = 1
          ;
          ; DirCreateCount++
       ){
        //
        // loop through each directory specified
        //

        NewDirName = ShellCommandLineGetRawValue(Package, DirCreateCount);
        if (NewDirName == NULL) {
          break;
        }
        //
        // check if that already exists... if yes fail
        //
        FileHandle = NULL;
        Status = ShellOpenFileByName(NewDirName,
                                    &FileHandle,
                                    EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE,
                                    EFI_FILE_DIRECTORY
                                   );
        if (!EFI_ERROR(Status)) {
          ShellCloseFile(&FileHandle);
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MKDIR_ALREADY), gShellLevel2HiiHandle, NewDirName);
          ShellStatus = SHELL_INVALID_PARAMETER;
        } else {
          ASSERT(FileHandle == NULL);
          //
          // create the nested directory from parent to child.
          // if NewDirName = test1\test2\test3, first create "test1\" directory, then "test1\test2\", finally "test1\test2\test3".
          //
          NewDirNameCopy = AllocateCopyPool (StrSize(NewDirName), NewDirName);
          NewDirNameCopy = PathCleanUpDirectories (NewDirNameCopy);
          if(NewDirNameCopy == NULL) {
            ShellStatus = SHELL_OUT_OF_RESOURCES;
            break;
          }
          SplitName = NewDirNameCopy;
          while (SplitName != NULL) {
            SplitName = StrStr (SplitName + 1, L"\\");
            if (SplitName != NULL) {
              SaveSplitChar = *(SplitName + 1);
              *(SplitName + 1) = '\0';
            }
            //
            // check if current nested directory already exists... continue to create the child directory.
            //
            Status = ShellOpenFileByName (NewDirNameCopy,
                                    &FileHandle,
                                    EFI_FILE_MODE_READ,
                                    EFI_FILE_DIRECTORY
                                    );
            if (!EFI_ERROR(Status)) {
              ShellCloseFile (&FileHandle);
            } else {
              Status = ShellCreateDirectory (NewDirNameCopy, &FileHandle);
              if (EFI_ERROR(Status)) {
                break;
              }
              if (FileHandle != NULL) {
                gEfiShellProtocol->CloseFile (FileHandle);
              }
            }
            if (SplitName != NULL) {
              *(SplitName + 1) = SaveSplitChar;
            }
          }
          if (EFI_ERROR(Status)) {
            ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MKDIR_CREATEFAIL), gShellLevel2HiiHandle, NewDirName);
            ShellStatus = SHELL_ACCESS_DENIED;
            break;
          }
          SHELL_FREE_NON_NULL (NewDirNameCopy);
        }
      }
    }
  }

  //
  // free the command line package
  //
  ShellCommandLineFreeVarList (Package);

  return (ShellStatus);
}