MdeModulePkg: Add BootManagerMenuApp.

BootManagerMenuApp only provides a very simple UI showing all the boot options
recorded by "BootOrder" and user can select any of them to boot.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17329 6f19259b-4bc3-4df7-8a09-765794883524

4 files changed, 1161 insertions, 0 deletions

diff --git a/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenu.c b/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenu.c
new file mode 100644
index 0000000000..c5a35c070f
--- /dev/null
+++ b/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenu.c
@@ -0,0 +1,1041 @@
+/** @file

+  The application to show the Boot Manager Menu.

+

+Copyright (c) 2011 - 2015, 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

+http://opensource.org/licenses/bsd-license.php

+

+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+

+**/

+

+#include "BootManagerMenu.h"

+

+EFI_HII_HANDLE gStringPackHandle;

+

+BOOLEAN   mModeInitialized = FALSE;

+

+//

+// Boot video resolution and text mode.

+//

+UINT32    mBootHorizontalResolution    = 0;

+UINT32    mBootVerticalResolution      = 0;

+UINT32    mBootTextModeColumn          = 0;

+UINT32    mBootTextModeRow             = 0;

+//

+// BIOS setup video resolution and text mode.

+//

+UINT32    mSetupTextModeColumn         = 0;

+UINT32    mSetupTextModeRow            = 0;

+UINT32    mSetupHorizontalResolution   = 0;

+UINT32    mSetupVerticalResolution     = 0;

+

+/**

+  Prints a unicode string to the default console, at

+  the supplied cursor position, using L"%s" format.

+

+  @param  Column     The cursor position to print the string at.

+  @param  Row        The cursor position to print the string at

+  @param  String     String pointer.

+

+  @return Length of string printed to the console

+

+**/

+UINTN

+PrintStringAt (

+  IN UINTN     Column,

+  IN UINTN     Row,

+  IN CHAR16    *String

+  )

+{

+

+  gST->ConOut->SetCursorPosition (gST->ConOut, Column, Row);

+  return Print (L"%s", String);

+}

+

+/**

+  Prints a chracter to the default console, at

+  the supplied cursor position, using L"%c" format.

+

+  @param  Column     The cursor position to print the string at.

+  @param  Row        The cursor position to print the string at.

+  @param  Character  Character to print.

+

+  @return Length of string printed to the console.

+

+**/

+UINTN

+PrintCharAt (

+  IN UINTN     Column,

+  IN UINTN     Row,

+  CHAR16       Character

+  )

+{

+  gST->ConOut->SetCursorPosition (gST->ConOut, Column, Row);

+  return Print (L"%c", Character);

+}

+

+/**

+  Count the storage space of a Unicode string which uses current lanaguag to get 

+  from input string ID.

+

+  @param StringId          The input string to be counted.

+

+  @return Storage space for the input string.

+

+**/

+UINTN

+GetLineWidth (

+  IN EFI_STRING_ID       StringId

+  )

+{  

+  UINTN        Index;

+  UINTN        IncrementValue;

+  EFI_STRING   String;

+  UINTN        LineWidth;

+  

+  LineWidth = 0;

+  String = HiiGetString (gStringPackHandle, StringId, NULL); 

+  

+  if (String != NULL) {

+    Index           = 0;

+    IncrementValue  = 1;

+    

+    do {

+      //

+      // Advance to the null-terminator or to the first width directive

+      //

+      for (;

+           (String[Index] != NARROW_CHAR) && (String[Index] != WIDE_CHAR) && (String[Index] != 0);

+           Index++, LineWidth = LineWidth + IncrementValue

+          )

+        ;

+    

+      //

+      // We hit the null-terminator, we now have a count

+      //

+      if (String[Index] == 0) {

+        break;

+      }

+      //

+      // We encountered a narrow directive - strip it from the size calculation since it doesn't get printed

+      // and also set the flag that determines what we increment by.(if narrow, increment by 1, if wide increment by 2)

+      //

+      if (String[Index] == NARROW_CHAR) {

+        //

+        // Skip to the next character

+        //

+        Index++;

+        IncrementValue = 1;

+      } else {

+        //

+        // Skip to the next character

+        //

+        Index++;

+        IncrementValue = 2;

+      }

+    } while (String[Index] != 0);   

+    FreePool (String);

+  }

+  

+  return LineWidth;  

+}

+

+/**

+  This function uses calculate the boot menu location, size and scroll bar information.

+

+  @param  BootMenuData            The boot menu data to be proccessed.

+

+  @return EFI_SUCCESS             calculate boot menu information successful.

+  @retval EFI_INVALID_PARAMETER   Input parameter is invalid   

+

+**/

+EFI_STATUS 

+InitializeBootMenuScreen (

+  IN OUT  BOOT_MENU_POPUP_DATA  *BootMenuData

+  )

+{

+  UINTN         MaxStrWidth;

+  UINTN         StrWidth;

+  UINTN         Index;

+  UINTN         Column;

+  UINTN         Row;

+  UINTN         MaxPrintRows;

+  UINTN         UnSelectableItmes;

+

+  if (BootMenuData == NULL) {

+    return EFI_INVALID_PARAMETER;

+  }

+  //

+  // Get maximum string width

+  //

+  MaxStrWidth = 0;  

+  for (Index = 0; Index < TITLE_TOKEN_COUNT; Index++) {    

+    StrWidth = GetLineWidth (BootMenuData->TitleToken[Index]);

+    MaxStrWidth = MaxStrWidth > StrWidth ? MaxStrWidth : StrWidth;

+  }

+   

+  for (Index = 0; Index < BootMenuData->ItemCount; Index++) {

+    StrWidth = GetLineWidth (BootMenuData->PtrTokens[Index]);

+    MaxStrWidth = MaxStrWidth > StrWidth ? MaxStrWidth : StrWidth; 

+  } 

+  

+  for (Index = 0; Index < HELP_TOKEN_COUNT; Index++) {    

+    StrWidth = GetLineWidth (BootMenuData->HelpToken[Index]);

+    MaxStrWidth = MaxStrWidth > StrWidth ? MaxStrWidth : StrWidth;

+  }  

+  //

+  // query current row and column to calculate boot menu location

+  //

+  gST->ConOut->QueryMode (

+                 gST->ConOut,

+                 gST->ConOut->Mode->Mode,

+                 &Column,

+                 &Row

+                 ); 

+                 

+  MaxPrintRows = Row - 6;    

+  UnSelectableItmes = TITLE_TOKEN_COUNT + 2 + HELP_TOKEN_COUNT + 2;           

+  BootMenuData->MenuScreen.Width = MaxStrWidth + 8;

+  if (BootMenuData->ItemCount + UnSelectableItmes > MaxPrintRows) {

+    BootMenuData->MenuScreen.Height = MaxPrintRows;

+    BootMenuData->ScrollBarControl.HasScrollBar = TRUE;

+    BootMenuData->ScrollBarControl.ItemCountPerScreen = MaxPrintRows - UnSelectableItmes;

+    BootMenuData->ScrollBarControl.FirstItem = 0;

+    BootMenuData->ScrollBarControl.LastItem = MaxPrintRows - UnSelectableItmes - 1;

+  } else {

+    BootMenuData->MenuScreen.Height = BootMenuData->ItemCount + UnSelectableItmes;

+    BootMenuData->ScrollBarControl.HasScrollBar = FALSE;

+    BootMenuData->ScrollBarControl.ItemCountPerScreen = BootMenuData->ItemCount;

+    BootMenuData->ScrollBarControl.FirstItem = 0;

+    BootMenuData->ScrollBarControl.LastItem = BootMenuData->ItemCount - 1;    

+  }

+  BootMenuData->MenuScreen.StartCol = (Column -  BootMenuData->MenuScreen.Width) / 2;              

+  BootMenuData->MenuScreen.StartRow = (Row -  BootMenuData->MenuScreen.Height) / 2;  

+

+  return EFI_SUCCESS;

+}

+/**

+  This funciton uses check boot option is wheher setup application or no

+

+  @param   BootOption   Pointer to EFI_BOOT_MANAGER_LOAD_OPTION array.

+  

+  @retval  TRUE         This boot option is setup application.

+  @retval  FALSE        This boot options isn't setup application

+

+**/

+BOOLEAN

+IsBootManagerMenu (

+  IN  EFI_BOOT_MANAGER_LOAD_OPTION    *BootOption

+  )

+{

+  EFI_STATUS                          Status;

+  EFI_BOOT_MANAGER_LOAD_OPTION        BootManagerMenu;

+

+  Status = EfiBootManagerGetBootManagerMenu (&BootManagerMenu);

+  if (!EFI_ERROR (Status)) {

+    EfiBootManagerFreeLoadOption (&BootManagerMenu);

+  }

+

+  return (BOOLEAN) (!EFI_ERROR (Status) && (BootOption->OptionNumber == BootManagerMenu.OptionNumber));

+}

+ 

+

+/**

+  This funciton uses to initialize boot menu data

+

+  @param   BootOption             Pointer to EFI_BOOT_MANAGER_LOAD_OPTION array.

+  @param   BootOptionCount        Number of boot option.

+  @param   BootMenuData           The Input BootMenuData to be initialized.

+  

+  @retval  EFI_SUCCESS            Initialize boot menu data successful.

+  @retval  EFI_INVALID_PARAMETER  Input parameter is invalid.   

+

+**/

+EFI_STATUS

+InitializeBootMenuData (

+  IN   EFI_BOOT_MANAGER_LOAD_OPTION  *BootOption,

+  IN   UINTN                         BootOptionCount,

+  OUT  BOOT_MENU_POPUP_DATA          *BootMenuData

+  )

+{

+  UINTN                         Index;

+  UINTN                         StrIndex;

+      

+  if (BootOption == NULL || BootMenuData == NULL) {

+    return EFI_INVALID_PARAMETER;

+  } 

+  

+  BootMenuData->TitleToken[0] = STRING_TOKEN (STR_BOOT_POPUP_MENU_TITLE_STRING);

+  BootMenuData->PtrTokens     = AllocateZeroPool (BootOptionCount * sizeof (EFI_STRING_ID));

+  ASSERT (BootMenuData->PtrTokens != NULL);

+

+  //

+  // Skip boot option which created by BootNext Variable

+  //

+  for (StrIndex = 0, Index = 0; Index < BootOptionCount; Index++) {

+    //

+    // Don't display the hidden/inactive boot option except setup application.

+    //

+    if ((((BootOption[Index].Attributes & LOAD_OPTION_HIDDEN) != 0) || ((BootOption[Index].Attributes & LOAD_OPTION_ACTIVE) == 0)) &&

+        !IsBootManagerMenu (&BootOption[Index])) {      

+      continue;

+    }

+    ASSERT (BootOption[Index].Description != NULL);

+    BootMenuData->PtrTokens[StrIndex++] = HiiSetString (

+                                            gStringPackHandle, 

+                                            0,

+                                            BootOption[Index].Description,

+                                            NULL

+                                            );

+  }

+

+  BootMenuData->ItemCount           = StrIndex;   

+  BootMenuData->HelpToken[0] = STRING_TOKEN (STR_BOOT_POPUP_MENU_HELP1_STRING);

+  BootMenuData->HelpToken[1] = STRING_TOKEN (STR_BOOT_POPUP_MENU_HELP2_STRING);

+  BootMenuData->HelpToken[2] = STRING_TOKEN (STR_BOOT_POPUP_MENU_HELP3_STRING);

+  InitializeBootMenuScreen (BootMenuData);

+  BootMenuData->SelectItem = 0;

+  return EFI_SUCCESS;

+}    

+

+/**

+  This function uses input select item to highlight selected item

+  and set current selected item in BootMenuData

+

+  @param  WantSelectItem          The user wants to select item.

+  @param  BootMenuData            The boot menu data to be proccessed

+

+  @return EFI_SUCCESS             Highlight selected item and update current selected 

+                                  item successful 

+  @retval EFI_INVALID_PARAMETER   Input parameter is invalid   

+**/

+EFI_STATUS

+BootMenuSelectItem (

+  IN     UINTN                 WantSelectItem,

+  IN OUT BOOT_MENU_POPUP_DATA  *BootMenuData

+  )

+{

+  INT32                 SavedAttribute;

+  EFI_STRING            String;

+  UINTN                 StartCol;  

+  UINTN                 StartRow;

+  UINTN                 PrintCol;

+  UINTN                 PrintRow;

+  UINTN                 TopShadeNum;

+  UINTN                 LowShadeNum;

+  UINTN                 FirstItem;

+  UINTN                 LastItem;

+  UINTN                 ItemCountPerScreen;

+  UINTN                 Index;

+  BOOLEAN               RePaintItems;

+  

+  if (BootMenuData == NULL || WantSelectItem >= BootMenuData->ItemCount) {

+    return EFI_INVALID_PARAMETER;

+  }

+  SavedAttribute = gST->ConOut->Mode->Attribute;

+  RePaintItems = FALSE;

+  StartCol = BootMenuData->MenuScreen.StartCol;

+  StartRow = BootMenuData->MenuScreen.StartRow;

+  //

+  // print selectable items again and adjust scroll bar if need

+  //         

+  if (BootMenuData->ScrollBarControl.HasScrollBar &&

+      (WantSelectItem < BootMenuData->ScrollBarControl.FirstItem ||

+      WantSelectItem > BootMenuData->ScrollBarControl.LastItem ||

+      WantSelectItem == BootMenuData->SelectItem)) {          

+    ItemCountPerScreen   = BootMenuData->ScrollBarControl.ItemCountPerScreen;

+    //

+    // Set first item and last item

+    //     

+    if (WantSelectItem < BootMenuData->ScrollBarControl.FirstItem) {

+      BootMenuData->ScrollBarControl.FirstItem = WantSelectItem;

+      BootMenuData->ScrollBarControl.LastItem = WantSelectItem + ItemCountPerScreen - 1;  

+    } else if (WantSelectItem > BootMenuData->ScrollBarControl.LastItem) {

+      BootMenuData->ScrollBarControl.FirstItem = WantSelectItem - ItemCountPerScreen + 1; 

+      BootMenuData->ScrollBarControl.LastItem = WantSelectItem;

+    }

+    gST->ConOut->SetAttribute (gST->ConOut, EFI_WHITE | EFI_BACKGROUND_BLUE);

+    FirstItem = BootMenuData->ScrollBarControl.FirstItem;

+    LastItem  = BootMenuData->ScrollBarControl.LastItem;

+    TopShadeNum = 0;

+    if (FirstItem != 0) {

+      TopShadeNum = (FirstItem * ItemCountPerScreen) / BootMenuData->ItemCount;

+      if ((FirstItem * ItemCountPerScreen) % BootMenuData->ItemCount != 0) {

+        TopShadeNum++;

+      }

+      PrintCol = StartCol  + BootMenuData->MenuScreen.Width - 2;

+      PrintRow = StartRow + TITLE_TOKEN_COUNT + 2;  

+      for (Index = 0; Index < TopShadeNum; Index++, PrintRow++) {

+        PrintCharAt (PrintCol, PrintRow, BLOCKELEMENT_LIGHT_SHADE);

+      }

+    }

+    LowShadeNum = 0;

+    if (LastItem != BootMenuData->ItemCount - 1) {

+      LowShadeNum = ((BootMenuData->ItemCount - 1 - LastItem) * ItemCountPerScreen) / BootMenuData->ItemCount;

+      if (((BootMenuData->ItemCount - 1 - LastItem) * ItemCountPerScreen) % BootMenuData->ItemCount != 0) {

+        LowShadeNum++;

+      }

+      PrintCol = StartCol  + BootMenuData->MenuScreen.Width - 2;

+      PrintRow = StartRow + TITLE_TOKEN_COUNT + 2 + ItemCountPerScreen - LowShadeNum;  

+      for (Index = 0; Index < LowShadeNum; Index++, PrintRow++) {

+        PrintCharAt (PrintCol, PrintRow, BLOCKELEMENT_LIGHT_SHADE);

+      } 

+    }

+    PrintCol = StartCol  + BootMenuData->MenuScreen.Width - 2;

+    PrintRow = StartRow + TITLE_TOKEN_COUNT + 2 + TopShadeNum;  

+    for (Index = TopShadeNum; Index < ItemCountPerScreen - LowShadeNum; Index++, PrintRow++) {

+      PrintCharAt (PrintCol, PrintRow, BLOCKELEMENT_FULL_BLOCK);

+    }      

+

+

+    //

+    // Clear selectable items first

+    //

+    PrintCol = StartCol  + 1;

+    PrintRow = StartRow + TITLE_TOKEN_COUNT + 2;  

+    String = AllocateZeroPool ((BootMenuData->MenuScreen.Width - 2) * sizeof (CHAR16));

+    ASSERT (String != NULL);

+    for (Index = 0; Index < BootMenuData->MenuScreen.Width - 3; Index++) {

+      String[Index] = 0x20;

+    }      

+    for (Index = 0; Index < ItemCountPerScreen; Index++) {        

+      PrintStringAt (PrintCol, PrintRow + Index, String); 

+    }

+    FreePool (String);

+    //

+    // print selectable items  

+    //

+    for (Index = 0; Index < ItemCountPerScreen; Index++, PrintRow++) {

+      String = HiiGetString (gStringPackHandle, BootMenuData->PtrTokens[Index + FirstItem], NULL);

+      PrintStringAt (PrintCol, PrintRow, String);

+      FreePool (String); 

+    }

+    RePaintItems = TRUE;

+  }

+  

+  //

+  // Print want to select item 

+  //

+  FirstItem = BootMenuData->ScrollBarControl.FirstItem;

+  gST->ConOut->SetAttribute (gST->ConOut, EFI_WHITE | EFI_BACKGROUND_BLACK);

+  String = HiiGetString (gStringPackHandle, BootMenuData->PtrTokens[WantSelectItem], NULL);

+  PrintCol = StartCol  + 1;  

+  PrintRow = StartRow + TITLE_TOKEN_COUNT + 2 + WantSelectItem - FirstItem;  

+  PrintStringAt (PrintCol, PrintRow, String);

+  FreePool (String);

+  

+  //

+  // if Want Select and selected item isn't the same and doesn't re-draw selectable 

+  // items, clear select item

+  //

+  if (WantSelectItem != BootMenuData->SelectItem && !RePaintItems) {

+    gST->ConOut->SetAttribute (gST->ConOut, EFI_WHITE | EFI_BACKGROUND_BLUE);

+    String = HiiGetString (gStringPackHandle, BootMenuData->PtrTokens[BootMenuData->SelectItem], NULL);

+    PrintCol = StartCol  + 1;  

+    PrintRow = StartRow + 3 + BootMenuData->SelectItem - FirstItem;  

+    PrintStringAt (PrintCol, PrintRow, String);

+    FreePool (String);    

+  }

+

+  gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);

+  BootMenuData->SelectItem = WantSelectItem;

+  return EFI_SUCCESS;

+}

+

+/**

+  This funciton uses to draw boot popup menu

+

+  @param   BootMenuData           The Input BootMenuData to be processed.

+  

+  @retval  EFI_SUCCESS            Draw boot popup menu successful.

+

+**/

+EFI_STATUS 

+DrawBootPopupMenu (

+  IN  BOOT_MENU_POPUP_DATA  *BootMenuData

+  )

+{

+  EFI_STRING            String;

+  UINTN                 Index;

+  UINTN                 Width;  

+  UINTN                 Height;

+  UINTN                 StartCol;

+  UINTN                 StartRow;

+  UINTN                 PrintRow;

+  UINTN                 PrintCol;

+  UINTN                 LineWidth;

+  INT32                 SavedAttribute; 

+  UINTN                 ItemCountPerScreen;  

+

+  gST->ConOut->ClearScreen (gST->ConOut);

+  

+  SavedAttribute = gST->ConOut->Mode->Attribute;

+  gST->ConOut->SetAttribute (gST->ConOut, EFI_WHITE | EFI_BACKGROUND_BLUE);

+  Width    = BootMenuData->MenuScreen.Width;

+  Height   = BootMenuData->MenuScreen.Height;

+  StartCol = BootMenuData->MenuScreen.StartCol;

+  StartRow = BootMenuData->MenuScreen.StartRow;

+  ItemCountPerScreen = BootMenuData->ScrollBarControl.ItemCountPerScreen;

+  PrintRow = StartRow;

+ 

+  gST->ConOut->EnableCursor (gST->ConOut, FALSE);

+  //

+  // Draw Boot popup menu screen

+  //

+  PrintCharAt (StartCol, PrintRow, BOXDRAW_DOWN_RIGHT);

+  for (Index = 1; Index < Width - 1; Index++) {

+    PrintCharAt (StartCol + Index, PrintRow, BOXDRAW_HORIZONTAL); 

+  }

+  PrintCharAt (StartCol + Width - 1, PrintRow, BOXDRAW_DOWN_LEFT);

+  

+  //

+  // Draw the screen for title

+  //

+  String = AllocateZeroPool ((Width - 1) * sizeof (CHAR16));

+  ASSERT (String != NULL);

+  for (Index = 0; Index < Width - 2; Index++) {

+    String[Index] = 0x20;

+  }

+

+  for (Index = 0; Index < TITLE_TOKEN_COUNT; Index++) {

+    PrintRow++;

+    PrintCharAt (StartCol, PrintRow, BOXDRAW_VERTICAL);  

+    PrintStringAt (StartCol + 1, PrintRow, String);

+    PrintCharAt (StartCol + Width - 1, PrintRow, BOXDRAW_VERTICAL);

+  }

+  

+  PrintRow++;

+  PrintCharAt (StartCol, PrintRow, BOXDRAW_VERTICAL_RIGHT);

+  for (Index = 1; Index < Width - 1; Index++) {

+    PrintCharAt (StartCol + Index, PrintRow, BOXDRAW_HORIZONTAL); 

+  }

+  PrintCharAt (StartCol + Width - 1, PrintRow, BOXDRAW_VERTICAL_LEFT);  

+  

+  //

+  // Draw screen for selectable items

+  //

+  for (Index = 0; Index < ItemCountPerScreen; Index++) {

+    PrintRow++;

+    PrintCharAt (StartCol, PrintRow, BOXDRAW_VERTICAL);

+    PrintStringAt (StartCol + 1, PrintRow, String);

+    PrintCharAt (StartCol + Width - 1, PrintRow, BOXDRAW_VERTICAL);

+  }  

+

+  PrintRow++;

+  PrintCharAt (StartCol, PrintRow, BOXDRAW_VERTICAL_RIGHT);

+  for (Index = 1; Index < Width - 1; Index++) {

+    PrintCharAt (StartCol + Index, PrintRow, BOXDRAW_HORIZONTAL); 

+  }

+  PrintCharAt (StartCol + Width - 1, PrintRow, BOXDRAW_VERTICAL_LEFT);

+  

+  //

+  // Draw screen for Help

+  //

+  for (Index = 0; Index < HELP_TOKEN_COUNT; Index++) {

+    PrintRow++;

+    PrintCharAt (StartCol, PrintRow, BOXDRAW_VERTICAL);

+    PrintStringAt (StartCol + 1, PrintRow, String);

+    PrintCharAt (StartCol + Width - 1, PrintRow, BOXDRAW_VERTICAL);

+  }

+  FreePool (String);  

+    

+  PrintRow++;  

+  PrintCharAt (StartCol, PrintRow, BOXDRAW_UP_RIGHT);

+  for (Index = 1; Index < Width - 1; Index++) {

+    PrintCharAt (StartCol + Index, PrintRow, BOXDRAW_HORIZONTAL); 

+  }

+  PrintCharAt (StartCol + Width - 1, PrintRow, BOXDRAW_UP_LEFT);        

+  

+  

+  //

+  // print title strings

+  //

+  PrintRow = StartRow + 1;

+  for (Index = 0; Index < TITLE_TOKEN_COUNT; Index++, PrintRow++) {

+    String = HiiGetString (gStringPackHandle, BootMenuData->TitleToken[Index], NULL);

+    LineWidth = GetLineWidth (BootMenuData->TitleToken[Index]);      

+    PrintCol = StartCol + (Width - LineWidth) / 2;

+    PrintStringAt (PrintCol, PrintRow, String);

+    FreePool (String);

+  }

+  

+  //

+  // print selectable items

+  //

+  PrintCol = StartCol + 1;

+  PrintRow = StartRow + TITLE_TOKEN_COUNT + 2;  

+  for (Index = 0; Index < ItemCountPerScreen; Index++, PrintRow++) {

+    String = HiiGetString (gStringPackHandle, BootMenuData->PtrTokens[Index], NULL);

+    PrintStringAt (PrintCol, PrintRow, String);

+    FreePool (String); 

+  }

+  

+  //

+  // Print Help strings

+  //

+  PrintRow++;

+  for (Index = 0; Index < HELP_TOKEN_COUNT; Index++, PrintRow++) {

+    String = HiiGetString (gStringPackHandle, BootMenuData->HelpToken[Index], NULL);

+    LineWidth = GetLineWidth (BootMenuData->HelpToken[Index]);

+    PrintCol = StartCol + (Width - LineWidth) / 2;

+    PrintStringAt (PrintCol, PrintRow, String);

+    FreePool (String);

+  }

+  

+  //

+  // Print scroll bar if has scroll bar

+  //

+  if (BootMenuData->ScrollBarControl.HasScrollBar) {

+    PrintCol = StartCol + Width - 2;

+    PrintRow = StartRow + 2; 

+    PrintCharAt (PrintCol, PrintRow, GEOMETRICSHAPE_UP_TRIANGLE); 

+    PrintCharAt (PrintCol + 1, PrintRow, BOXDRAW_VERTICAL); 

+    PrintRow += (ItemCountPerScreen + 1);    

+    PrintCharAt (PrintCol, PrintRow, GEOMETRICSHAPE_DOWN_TRIANGLE);

+    PrintCharAt (PrintCol + 1, PrintRow, BOXDRAW_VERTICAL); 

+  }  

+    

+  gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);

+  //

+  // Print Selected item

+  //

+  BootMenuSelectItem (BootMenuData->SelectItem, BootMenuData);

+  return EFI_SUCCESS;

+}

+

+/**

+  This funciton uses to boot from selected item 

+

+  @param   BootOptions            Pointer to EFI_BOOT_MANAGER_LOAD_OPTION array.

+  @param   BootOptionCount        Number of boot option.

+  @param   SelectItem             Current selected item.

+**/

+VOID

+BootFromSelectOption (

+  IN   EFI_BOOT_MANAGER_LOAD_OPTION  *BootOptions,

+  IN   UINTN                         BootOptionCount, 

+  IN   UINTN                         SelectItem

+  )

+{

+  UINTN                 ItemNum;

+  UINTN                 Index;

+

+  ASSERT (BootOptions != NULL);

+

+  for (ItemNum = 0, Index = 0; Index < BootOptionCount; Index++) {

+    //

+    // Don't display the hidden/inactive boot option except setup application.

+    //

+    if ((((BootOptions[Index].Attributes & LOAD_OPTION_HIDDEN) != 0) || ((BootOptions[Index].Attributes & LOAD_OPTION_ACTIVE) == 0)) &&

+        !IsBootManagerMenu (&BootOptions[Index])) {      

+      continue;

+    }

+    if (ItemNum++ == SelectItem) {

+      EfiBootManagerBoot (&BootOptions[Index]);

+      break;

+    }

+  }

+}

+

+/**

+  This function will change video resolution and text mode

+  according to defined setup mode or defined boot mode  

+

+  @param  IsSetupMode   Indicate mode is changed to setup mode or boot mode. 

+

+  @retval  EFI_SUCCESS  Mode is changed successfully.

+  @retval  Others             Mode failed to be changed.

+

+**/

+EFI_STATUS

+EFIAPI

+BdsSetConsoleMode (

+  BOOLEAN  IsSetupMode

+  )

+{

+  EFI_GRAPHICS_OUTPUT_PROTOCOL          *GraphicsOutput;

+  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL       *SimpleTextOut;

+  UINTN                                 SizeOfInfo;

+  EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Info;

+  UINT32                                MaxGopMode;

+  UINT32                                MaxTextMode;

+  UINT32                                ModeNumber;

+  UINT32                                NewHorizontalResolution;

+  UINT32                                NewVerticalResolution;

+  UINT32                                NewColumns;

+  UINT32                                NewRows;

+  UINTN                                 HandleCount;

+  EFI_HANDLE                            *HandleBuffer;

+  EFI_STATUS                            Status;

+  UINTN                                 Index;

+  UINTN                                 CurrentColumn;

+  UINTN                                 CurrentRow;  

+

+  MaxGopMode  = 0;

+  MaxTextMode = 0;

+

+  //

+  // Get current video resolution and text mode 

+  //

+  Status = gBS->HandleProtocol (

+                  gST->ConsoleOutHandle,

+                  &gEfiGraphicsOutputProtocolGuid,

+                  (VOID**)&GraphicsOutput

+                  );

+  if (EFI_ERROR (Status)) {

+    GraphicsOutput = NULL;

+  }

+

+  Status = gBS->HandleProtocol (

+                  gST->ConsoleOutHandle,

+                  &gEfiSimpleTextOutProtocolGuid,

+                  (VOID**)&SimpleTextOut

+                  );

+  if (EFI_ERROR (Status)) {

+    SimpleTextOut = NULL;

+  }  

+

+  if ((GraphicsOutput == NULL) || (SimpleTextOut == NULL)) {

+    return EFI_UNSUPPORTED;

+  }

+

+  if (IsSetupMode) {

+    //

+    // The requried resolution and text mode is setup mode.

+    //

+    NewHorizontalResolution = mSetupHorizontalResolution;

+    NewVerticalResolution   = mSetupVerticalResolution;

+    NewColumns              = mSetupTextModeColumn;

+    NewRows                 = mSetupTextModeRow;

+  } else {

+    //

+    // The required resolution and text mode is boot mode.

+    //

+    NewHorizontalResolution = mBootHorizontalResolution;

+    NewVerticalResolution   = mBootVerticalResolution;

+    NewColumns              = mBootTextModeColumn;

+    NewRows                 = mBootTextModeRow;   

+  }

+  

+  if (GraphicsOutput != NULL) {

+    MaxGopMode  = GraphicsOutput->Mode->MaxMode;

+  } 

+

+  if (SimpleTextOut != NULL) {

+    MaxTextMode = SimpleTextOut->Mode->MaxMode;

+  }

+

+  //

+  // 1. If current video resolution is same with required video resolution,

+  //    video resolution need not be changed.

+  //    1.1. If current text mode is same with required text mode, text mode need not be changed.

+  //    1.2. If current text mode is different from required text mode, text mode need be changed.

+  // 2. If current video resolution is different from required video resolution, we need restart whole console drivers.

+  //

+  for (ModeNumber = 0; ModeNumber < MaxGopMode; ModeNumber++) {

+    Status = GraphicsOutput->QueryMode (

+                       GraphicsOutput,

+                       ModeNumber,

+                       &SizeOfInfo,

+                       &Info

+                       );

+    if (!EFI_ERROR (Status)) {

+      if ((Info->HorizontalResolution == NewHorizontalResolution) &&

+          (Info->VerticalResolution == NewVerticalResolution)) {

+        if ((GraphicsOutput->Mode->Info->HorizontalResolution == NewHorizontalResolution) &&

+            (GraphicsOutput->Mode->Info->VerticalResolution == NewVerticalResolution)) {

+          //

+          // Current resolution is same with required resolution, check if text mode need be set

+          //

+          Status = SimpleTextOut->QueryMode (SimpleTextOut, SimpleTextOut->Mode->Mode, &CurrentColumn, &CurrentRow);

+          ASSERT_EFI_ERROR (Status);

+          if (CurrentColumn == NewColumns && CurrentRow == NewRows) {

+            //

+            // If current text mode is same with required text mode. Do nothing

+            //

+            FreePool (Info);

+            return EFI_SUCCESS;

+          } else {

+            //

+            // If current text mode is different from requried text mode.  Set new video mode

+            //

+            for (Index = 0; Index < MaxTextMode; Index++) {

+              Status = SimpleTextOut->QueryMode (SimpleTextOut, Index, &CurrentColumn, &CurrentRow);

+              if (!EFI_ERROR(Status)) {

+                if ((CurrentColumn == NewColumns) && (CurrentRow == NewRows)) {

+                  //

+                  // Required text mode is supported, set it.

+                  //

+                  Status = SimpleTextOut->SetMode (SimpleTextOut, Index);

+                  ASSERT_EFI_ERROR (Status);

+                  //

+                  // Update text mode PCD.

+                  //

+                  PcdSet32 (PcdConOutColumn, mSetupTextModeColumn);

+                  PcdSet32 (PcdConOutRow, mSetupTextModeRow);

+                  FreePool (Info);

+                  return EFI_SUCCESS;

+                }

+              }

+            }

+            if (Index == MaxTextMode) {

+              //

+              // If requried text mode is not supported, return error.

+              //

+              FreePool (Info);

+              return EFI_UNSUPPORTED;

+            }

+          }

+        } else {

+          //

+          // If current video resolution is not same with the new one, set new video resolution.

+          // In this case, the driver which produces simple text out need be restarted.

+          //

+          Status = GraphicsOutput->SetMode (GraphicsOutput, ModeNumber);

+          if (!EFI_ERROR (Status)) {

+            FreePool (Info);

+            break;

+          }

+        }

+      }

+      FreePool (Info);

+    }

+  }

+

+  if (ModeNumber == MaxGopMode) {

+    //

+    // If the resolution is not supported, return error.

+    //

+    return EFI_UNSUPPORTED;

+  }

+

+  //

+  // Set PCD to Inform GraphicsConsole to change video resolution.

+  // Set PCD to Inform Consplitter to change text mode.

+  //

+  PcdSet32 (PcdVideoHorizontalResolution, NewHorizontalResolution);

+  PcdSet32 (PcdVideoVerticalResolution, NewVerticalResolution);

+  PcdSet32 (PcdConOutColumn, NewColumns);

+  PcdSet32 (PcdConOutRow, NewRows);

+  

+  

+  //

+  // Video mode is changed, so restart graphics console driver and higher level driver.

+  // Reconnect graphics console driver and higher level driver.

+  // Locate all the handles with GOP protocol and reconnect it.

+  //

+  Status = gBS->LocateHandleBuffer (

+                   ByProtocol,

+                   &gEfiSimpleTextOutProtocolGuid,

+                   NULL,

+                   &HandleCount,

+                   &HandleBuffer

+                   );

+  if (!EFI_ERROR (Status)) {

+    for (Index = 0; Index < HandleCount; Index++) {

+      gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);

+    }

+    for (Index = 0; Index < HandleCount; Index++) {

+      gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);

+    }

+    if (HandleBuffer != NULL) {

+      FreePool (HandleBuffer);

+    }

+  }

+

+  return EFI_SUCCESS;

+}

+

+/**

+  Display the boot popup menu and allow user select boot item.

+

+  @param   ImageHandle     The image handle.

+  @param   SystemTable     The system table.

+  

+  @retval  EFI_SUCCESS          Boot from selected boot option, and return success from boot option

+  @retval  EFI_NOT_FOUND        User select to enter setup or can not find boot option

+  

+**/

+EFI_STATUS

+EFIAPI

+BootManagerMenuEntry (

+  IN EFI_HANDLE                            ImageHandle,

+  IN EFI_SYSTEM_TABLE                      *SystemTable

+  )

+{

+  EFI_BOOT_MANAGER_LOAD_OPTION    *BootOption;

+  UINTN                           BootOptionCount;  

+  EFI_STATUS                      Status;

+  BOOT_MENU_POPUP_DATA            BootMenuData;

+  UINTN                           Index;

+  EFI_INPUT_KEY                   Key;

+  BOOLEAN                         ExitApplication;

+  UINTN                           SelectItem;

+  EFI_BOOT_LOGO_PROTOCOL          *BootLogo;

+  EFI_GRAPHICS_OUTPUT_PROTOCOL    *GraphicsOutput;

+  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut;

+  UINTN                           BootTextColumn;

+  UINTN                           BootTextRow;

+

+  //

+  // Set Logo status invalid when boot manager menu is launched

+  //

+  BootLogo = NULL;

+  Status = gBS->LocateProtocol (&gEfiBootLogoProtocolGuid, NULL, (VOID **) &BootLogo);

+  if (!EFI_ERROR (Status) && (BootLogo != NULL)) {

+    Status = BootLogo->SetBootLogo (BootLogo, NULL, 0, 0, 0, 0);

+    ASSERT_EFI_ERROR (Status);

+  }

+

+  gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);

+

+  gStringPackHandle = HiiAddPackages (

+                         &gEfiCallerIdGuid,

+                         gImageHandle,

+                         BootManagerMenuAppStrings,

+                         NULL

+                         );

+  ASSERT (gStringPackHandle != NULL);

+

+  //

+  // Connect all prior to entering the platform setup menu.

+  //

+  EfiBootManagerConnectAll ();

+  EfiBootManagerRefreshAllBootOption ();

+

+  BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);

+

+  if (!mModeInitialized) {

+    //

+    // After the console is ready, get current video resolution 

+    // and text mode before launching setup at first time.

+    //

+    Status = gBS->HandleProtocol (

+                    gST->ConsoleOutHandle,

+                    &gEfiGraphicsOutputProtocolGuid,

+                    (VOID**)&GraphicsOutput

+                    );

+    if (EFI_ERROR (Status)) {

+      GraphicsOutput = NULL;

+    }

+    

+    Status = gBS->HandleProtocol (

+                    gST->ConsoleOutHandle,

+                    &gEfiSimpleTextOutProtocolGuid,

+                    (VOID**)&SimpleTextOut

+                    );

+    if (EFI_ERROR (Status)) {

+      SimpleTextOut = NULL;

+    }  

+

+    if (GraphicsOutput != NULL) {

+      //

+      // Get current video resolution and text mode.

+      //

+      mBootHorizontalResolution = GraphicsOutput->Mode->Info->HorizontalResolution;

+      mBootVerticalResolution   = GraphicsOutput->Mode->Info->VerticalResolution;

+    }

+

+    if (SimpleTextOut != NULL) {

+      Status = SimpleTextOut->QueryMode (

+                                SimpleTextOut,

+                                SimpleTextOut->Mode->Mode,

+                                &BootTextColumn,

+                                &BootTextRow

+                                );

+      mBootTextModeColumn = (UINT32)BootTextColumn;

+      mBootTextModeRow    = (UINT32)BootTextRow;

+    }

+

+    //

+    // Get user defined text mode for setup.

+    //  

+    mSetupHorizontalResolution = PcdGet32 (PcdSetupVideoHorizontalResolution);

+    mSetupVerticalResolution   = PcdGet32 (PcdSetupVideoVerticalResolution);      

+    mSetupTextModeColumn       = PcdGet32 (PcdSetupConOutColumn);

+    mSetupTextModeRow          = PcdGet32 (PcdSetupConOutRow);

+    mModeInitialized           = TRUE;

+  }

+  

+  //

+  // Set back to conventional setup resolution

+  //

+  BdsSetConsoleMode (TRUE);

+

+  //

+  // Initialize Boot menu data

+  //

+  Status = InitializeBootMenuData (BootOption, BootOptionCount, &BootMenuData);

+  //

+  // According to boot menu data to draw boot popup menu

+  //

+  DrawBootPopupMenu (&BootMenuData);

+  

+  //

+  // check user input to determine want to re-draw or boot from user selected item

+  //

+  ExitApplication = FALSE;

+  while (!ExitApplication) {

+    gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &Index);

+    Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);

+    if (!EFI_ERROR (Status)) {

+      switch (Key.UnicodeChar) {

+      

+      case CHAR_NULL:        

+        switch (Key.ScanCode) {          

+          

+        case SCAN_UP:

+          SelectItem = BootMenuData.SelectItem == 0 ? BootMenuData.ItemCount - 1 : BootMenuData.SelectItem - 1;

+          BootMenuSelectItem (SelectItem, &BootMenuData); 

+          break;

+        

+        case SCAN_DOWN:

+          SelectItem = BootMenuData.SelectItem == BootMenuData.ItemCount - 1 ? 0 : BootMenuData.SelectItem + 1;

+          BootMenuSelectItem (SelectItem, &BootMenuData); 

+          break;

+

+        case SCAN_ESC:

+          gST->ConOut->ClearScreen (gST->ConOut);

+          ExitApplication = TRUE;

+          //

+          // Set boot resolution for normal boot

+          //

+          BdsSetConsoleMode (FALSE);

+          break;

+          

+        default:

+          break;

+        }

+        break;

+        

+      case CHAR_CARRIAGE_RETURN:

+        gST->ConOut->ClearScreen (gST->ConOut);

+        //

+        // Set boot resolution for normal boot

+        //

+        BdsSetConsoleMode (FALSE);

+        BootFromSelectOption (BootOption, BootOptionCount, BootMenuData.SelectItem);

+        //

+        // Back to boot manager menu again, set back to setup resolution

+        //

+        BdsSetConsoleMode (TRUE);

+        DrawBootPopupMenu (&BootMenuData);

+        break;

+        

+      default:

+        break;

+      }

+    }

+  }

+  EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);

+  FreePool (BootMenuData.PtrTokens);

+

+  HiiRemovePackages (gStringPackHandle);

+

+  return Status;

+  

+}

diff --git a/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenu.h b/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenu.h
new file mode 100644
index 0000000000..26d9a31865
--- /dev/null
+++ b/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenu.h
@@ -0,0 +1,60 @@
+/** @file

+  FrontPage routines to handle the callbacks and browser calls

+

+Copyright (c) 2004 - 2015, 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

+http://opensource.org/licenses/bsd-license.php

+

+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+

+**/

+

+

+#ifndef _BOOT_MANAGER_MENU_H_

+#define _BOOT_MANAGER_MENU_H_

+

+#include <Uefi.h>

+#include <Guid/MdeModuleHii.h>

+#include <Library/UefiBootManagerLib.h>

+#include <Library/UefiBootServicesTableLib.h>

+#include <Library/UefiLib.h>

+#include <Library/HiiLib.h>

+#include <Library/MemoryAllocationLib.h>

+#include <Library/DebugLib.h>

+#include <Library/BaseMemoryLib.h>

+#include <Library/DevicePathLib.h>

+#include <Protocol/LoadedImage.h>

+#include <Protocol/BootLogo.h>

+

+#define TITLE_TOKEN_COUNT   1

+#define HELP_TOKEN_COUNT    3

+

+typedef struct _BOOT_MENU_SCREEN {

+  UINTN        StartCol;

+  UINTN        StartRow;

+  UINTN        Width;

+  UINTN        Height;

+} BOOT_MENU_SCREEN; 

+

+typedef struct _BOOT_MENU_SCROLL_BAR_CONTROL {

+  BOOLEAN      HasScrollBar;

+  UINTN        ItemCountPerScreen;

+  UINTN        FirstItem;

+  UINTN        LastItem;

+} BOOT_MENU_SCROLL_BAR_CONTROL; 

+

+typedef struct _BOOT_MENU_POPUP_DATA {

+  EFI_STRING_ID                   TitleToken[TITLE_TOKEN_COUNT]; // Title string ID

+  UINTN                           ItemCount;                     // Selectable item count

+  EFI_STRING_ID                   *PtrTokens;                    // All of selectable items string ID

+  EFI_STRING_ID                   HelpToken[HELP_TOKEN_COUNT];   // All of help string ID

+  UINTN                           SelectItem;                    // Current select  item	

+  BOOT_MENU_SCREEN                MenuScreen;                    // Boot menu screen information

+  BOOT_MENU_SCROLL_BAR_CONTROL    ScrollBarControl;              // Boot menu scroll bar inoformation

+} BOOT_MENU_POPUP_DATA;

+

+#endif 

+

diff --git a/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenuApp.inf b/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenuApp.inf
new file mode 100644
index 0000000000..c92a156a6a
--- /dev/null
+++ b/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenuApp.inf
@@ -0,0 +1,60 @@
+## @file

+#  The application to show the Boot Manager Menu.

+#  

+#  Copyright (c) 2011 - 2015, 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

+#  http://opensource.org/licenses/bsd-license.php

+#  

+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+#  

+##

+

+[Defines]

+  INF_VERSION                    = 0x00010005

+  BASE_NAME                      = BootManagerMenuApp

+  FILE_GUID                      = EEC25BDC-67F2-4D95-B1D5-F81B2039D11D

+  MODULE_TYPE                    = UEFI_APPLICATION

+  VERSION_STRING                 = 1.0 

+  ENTRY_POINT                    = BootManagerMenuEntry

+

+#

+# The following information is for reference only and not required by the build tools.

+#

+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC

+#

+

+[Sources]

+  BootManagerMenu.c

+  BootManagerMenu.h

+  BootManagerMenuStrings.uni

+

+[Packages]

+  MdePkg/MdePkg.dec

+  MdeModulePkg/MdeModulePkg.dec

+

+[LibraryClasses]

+  HiiLib

+  DebugLib

+  UefiLib

+  MemoryAllocationLib

+  UefiBootServicesTableLib

+  UefiApplicationEntryPoint

+  UefiBootManagerLib

+  

+[Guids]

+

+[Protocols]

+  gEfiBootLogoProtocolGuid                      ## CONSUMES

+

+[Pcd]

+  gEfiMdeModulePkgTokenSpaceGuid.PcdConOutRow                          ## PRODUCES

+  gEfiMdeModulePkgTokenSpaceGuid.PcdConOutColumn                       ## PRODUCES

+  gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution          ## PRODUCES

+  gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution            ## PRODUCES

+  gEfiMdeModulePkgTokenSpaceGuid.PcdSetupConOutColumn                  ## SOMETIMES_CONSUMES

+  gEfiMdeModulePkgTokenSpaceGuid.PcdSetupConOutRow                     ## SOMETIMES_CONSUMES

+  gEfiMdeModulePkgTokenSpaceGuid.PcdSetupVideoHorizontalResolution     ## SOMETIMES_CONSUMES

+  gEfiMdeModulePkgTokenSpaceGuid.PcdSetupVideoVerticalResolution       ## SOMETIMES_CONSUMES
\ No newline at end of file
diff --git a/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenuStrings.uni b/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenuStrings.uni
new file mode 100644
index 0000000000..04fdd30fa7
--- /dev/null
+++ b/MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenuStrings.uni