Update to use DOS format

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6341 6f19259b-4bc3-4df7-8a09-765794883524

4 files changed, 2764 insertions, 2764 deletions

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Colors.h b/MdeModulePkg/Universal/SetupBrowserDxe/Colors.h
index 94c3368c3a..aeff29b328 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Colors.h
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Colors.h
@@ -1,48 +1,48 @@
-/** @file
-MACRO definitions for color used in Setup Browser.
-
-Copyright (c) 2004, Intel Corporation
-All rights reserved. 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.
-
-**/
-//
-// Unicode collation protocol in
-
-#ifndef _COLORS_H_
-#define _COLORS_H_
-
-//
-// Screen Color Settings
-//
-#define PICKLIST_HIGHLIGHT_TEXT       EFI_WHITE
-#define PICKLIST_HIGHLIGHT_BACKGROUND EFI_BACKGROUND_CYAN
-#define TITLE_TEXT                    EFI_WHITE
-#define TITLE_BACKGROUND              EFI_BACKGROUND_BLUE
-#define KEYHELP_TEXT                  EFI_LIGHTGRAY
-#define KEYHELP_BACKGROUND            EFI_BACKGROUND_BLACK
-#define SUBTITLE_TEXT                 EFI_BLUE
-#define SUBTITLE_BACKGROUND           EFI_BACKGROUND_LIGHTGRAY
-#define BANNER_TEXT                   EFI_BLUE
-#define BANNER_BACKGROUND             EFI_BACKGROUND_LIGHTGRAY
-#define FIELD_TEXT                    EFI_BLACK
-#define FIELD_TEXT_GRAYED             EFI_DARKGRAY
-#define FIELD_BACKGROUND              EFI_BACKGROUND_LIGHTGRAY
-#define FIELD_TEXT_HIGHLIGHT          EFI_LIGHTGRAY
-#define FIELD_BACKGROUND_HIGHLIGHT    EFI_BACKGROUND_BLACK
-#define POPUP_TEXT                    EFI_LIGHTGRAY
-#define POPUP_BACKGROUND              EFI_BACKGROUND_BLUE
-#define POPUP_INVERSE_TEXT            EFI_LIGHTGRAY
-#define POPUP_INVERSE_BACKGROUND      EFI_BACKGROUND_BLACK
-#define HELP_TEXT                     EFI_BLUE
-#define ERROR_TEXT                    EFI_RED | EFI_BRIGHT
-#define INFO_TEXT                     EFI_YELLOW | EFI_BRIGHT
-#define ARROW_TEXT                    EFI_RED | EFI_BRIGHT
-#define ARROW_BACKGROUND              EFI_BACKGROUND_LIGHTGRAY
-
-#endif
+/** @file

+MACRO definitions for color used in Setup Browser.

+

+Copyright (c) 2004, Intel Corporation

+All rights reserved. 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.

+

+**/

+//

+// Unicode collation protocol in

+

+#ifndef _COLORS_H_

+#define _COLORS_H_

+

+//

+// Screen Color Settings

+//

+#define PICKLIST_HIGHLIGHT_TEXT       EFI_WHITE

+#define PICKLIST_HIGHLIGHT_BACKGROUND EFI_BACKGROUND_CYAN

+#define TITLE_TEXT                    EFI_WHITE

+#define TITLE_BACKGROUND              EFI_BACKGROUND_BLUE

+#define KEYHELP_TEXT                  EFI_LIGHTGRAY

+#define KEYHELP_BACKGROUND            EFI_BACKGROUND_BLACK

+#define SUBTITLE_TEXT                 EFI_BLUE

+#define SUBTITLE_BACKGROUND           EFI_BACKGROUND_LIGHTGRAY

+#define BANNER_TEXT                   EFI_BLUE

+#define BANNER_BACKGROUND             EFI_BACKGROUND_LIGHTGRAY

+#define FIELD_TEXT                    EFI_BLACK

+#define FIELD_TEXT_GRAYED             EFI_DARKGRAY

+#define FIELD_BACKGROUND              EFI_BACKGROUND_LIGHTGRAY

+#define FIELD_TEXT_HIGHLIGHT          EFI_LIGHTGRAY

+#define FIELD_BACKGROUND_HIGHLIGHT    EFI_BACKGROUND_BLACK

+#define POPUP_TEXT                    EFI_LIGHTGRAY

+#define POPUP_BACKGROUND              EFI_BACKGROUND_BLUE

+#define POPUP_INVERSE_TEXT            EFI_LIGHTGRAY

+#define POPUP_INVERSE_BACKGROUND      EFI_BACKGROUND_BLACK

+#define HELP_TEXT                     EFI_BLUE

+#define ERROR_TEXT                    EFI_RED | EFI_BRIGHT

+#define INFO_TEXT                     EFI_YELLOW | EFI_BRIGHT

+#define ARROW_TEXT                    EFI_RED | EFI_BRIGHT

+#define ARROW_BACKGROUND              EFI_BACKGROUND_LIGHTGRAY

+

+#endif

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
index f640d12e3a..cde8d6f10b 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
@@ -1,1715 +1,1715 @@
-/** @file
-Parser for IFR binary encoding.
-
-Copyright (c) 2007 - 2008, Intel Corporation
-All rights reserved. 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 "Setup.h"
-#include "Ui.h"
-
-UINT16           mStatementIndex;
-UINT16           mExpressionOpCodeIndex;
-
-BOOLEAN          mInScopeSubtitle;
-BOOLEAN          mInScopeSuppress;
-BOOLEAN          mInScopeGrayOut;
-FORM_EXPRESSION  *mSuppressExpression;
-FORM_EXPRESSION  *mGrayOutExpression;
-
-EFI_GUID  gTianoHiiIfrGuid = EFI_IFR_TIANO_GUID;
-GLOBAL_REMOVE_IF_UNREFERENCED EFI_GUID  mFrameworkHiiCompatibilityGuid = EFI_IFR_FRAMEWORK_GUID;
-
-
-/**
-  Initialize Statement header members.
-
-  @param  OpCodeData             Pointer of the raw OpCode data.
-  @param  FormSet                Pointer of the current FormSe.
-  @param  Form                   Pointer of the current Form.
-
-  @return The Statement.
-
-**/
-FORM_BROWSER_STATEMENT *
-CreateStatement (
-  IN UINT8                        *OpCodeData,
-  IN OUT FORM_BROWSER_FORMSET     *FormSet,
-  IN OUT FORM_BROWSER_FORM        *Form
-  )
-{
-  FORM_BROWSER_STATEMENT    *Statement;
-  EFI_IFR_STATEMENT_HEADER  *StatementHdr;
-
-  if (Form == NULL) {
-    //
-    // We are currently not in a Form Scope, so just skip this Statement
-    //
-    return NULL;
-  }
-
-  Statement = &FormSet->StatementBuffer[mStatementIndex];
-  mStatementIndex++;
-
-  InitializeListHead (&Statement->DefaultListHead);
-  InitializeListHead (&Statement->OptionListHead);
-  InitializeListHead (&Statement->InconsistentListHead);
-  InitializeListHead (&Statement->NoSubmitListHead);
-
-  Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE;
-
-  Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;
-
-  StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));
-  CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID));
-  CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID));
-
-  if (mInScopeSuppress) {
-    Statement->SuppressExpression = mSuppressExpression;
-  }
-
-  if (mInScopeGrayOut) {
-    Statement->GrayOutExpression = mGrayOutExpression;
-  }
-
-  Statement->InSubtitle = mInScopeSubtitle;
-
-  //
-  // Insert this Statement into current Form
-  //
-  InsertTailList (&Form->StatementListHead, &Statement->Link);
-
-  return Statement;
-}
-
-EFI_STATUS
-UpdateCheckBoxStringToken (
-  IN CONST FORM_BROWSER_FORMSET *FormSet,
-  IN       FORM_BROWSER_STATEMENT *Statement
-  )
-{
-  CHAR16                  Str[MAXIMUM_VALUE_CHARACTERS];
-  EFI_STRING_ID           Id;
-  EFI_STATUS              Status;
-
-  ASSERT (Statement != NULL);
-  ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP);
-  
-  UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1);
-  
-  Status = HiiLibNewString (FormSet->HiiHandle, &Id, Str);
-
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
-
-  Statement->VarStoreInfo.VarName = Id;
-    
-  return EFI_SUCCESS;
-}
-
-BOOLEAN
-IsNextOpCodeGuidedVarEqName (
-  UINT8 *OpCodeData
-  )
-{
-  //
-  // Get next opcode
-  //
-  OpCodeData += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
-  if (*OpCodeData == EFI_IFR_GUID_OP) {
-    if (CompareGuid (&mFrameworkHiiCompatibilityGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {
-      //
-      // Specific GUIDed opcodes to support IFR generated from Framework HII VFR 
-      //
-      if ((((EFI_IFR_GUID_VAREQNAME *) OpCodeData)->ExtendOpCode) == EFI_IFR_EXTEND_OP_VAREQNAME) {
-        return TRUE;
-      }
-    }
-  }
-
-  return FALSE;
-}
-
-/**
-  Initialize Question's members.
-
-  @param  OpCodeData             Pointer of the raw OpCode data.
-  @param  FormSet                Pointer of the current FormSet.
-  @param  Form                   Pointer of the current Form.
-
-  @return The Question.
-
-**/
-FORM_BROWSER_STATEMENT *
-CreateQuestion (
-  IN UINT8                        *OpCodeData,
-  IN OUT FORM_BROWSER_FORMSET     *FormSet,
-  IN OUT FORM_BROWSER_FORM        *Form
-  )
-{
-  FORM_BROWSER_STATEMENT   *Statement;
-  EFI_IFR_QUESTION_HEADER  *QuestionHdr;
-  LIST_ENTRY               *Link;
-  FORMSET_STORAGE          *Storage;
-  NAME_VALUE_NODE          *NameValueNode;
-  EFI_STATUS               Status;
-
-  Statement = CreateStatement (OpCodeData, FormSet, Form);
-  if (Statement == NULL) {
-    return NULL;
-  }
-
-  QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));
-  CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID));
-  CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID));
-  CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16));
-
-  Statement->QuestionFlags = QuestionHdr->Flags;
-
-  if (Statement->VarStoreId == 0) {
-    //
-    // VarStoreId of zero indicates no variable storage
-    //
-    return Statement;
-  }
-
-  //
-  // Take a look at next OpCode to see whether it is a GUIDed opcode to support
-  // Framework Compatibility
-  //
-  if (FeaturePcdGet (PcdFrameworkHiiCompatibilitySupport)) {
-    if ((*OpCodeData == EFI_IFR_NUMERIC_OP) && IsNextOpCodeGuidedVarEqName (OpCodeData)) {
-      Status = UpdateCheckBoxStringToken (FormSet, Statement);
-      if (EFI_ERROR (Status)) {
-        return NULL;
-      }
-    }
-  }
-
-  //
-  // Find Storage for this Question
-  //
-  Link = GetFirstNode (&FormSet->StorageListHead);
-  while (!IsNull (&FormSet->StorageListHead, Link)) {
-    Storage = FORMSET_STORAGE_FROM_LINK (Link);
-
-    if (Storage->VarStoreId == Statement->VarStoreId) {
-      Statement->Storage = Storage;
-      break;
-    }
-
-    Link = GetNextNode (&FormSet->StorageListHead, Link);
-  }
-  ASSERT (Statement->Storage != NULL);
-
-  //
-  // Initialilze varname for Name/Value or EFI Variable
-  //
-  if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) ||
-      (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {
-    Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle);
-    ASSERT (Statement->VariableName != NULL);
-
-    if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {
-      //
-      // Insert to Name/Value varstore list
-      //
-      NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE));
-      ASSERT (NameValueNode != NULL);
-      NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE;
-      NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName);
-      ASSERT (NameValueNode->Name != NULL);
-      NameValueNode->Value = AllocateZeroPool (0x10);
-      ASSERT (NameValueNode->Value != NULL);
-      NameValueNode->EditValue = AllocateZeroPool (0x10);
-      ASSERT (NameValueNode->EditValue != NULL);
-
-      InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link);
-    }
-  }
-
-  return Statement;
-}
-
-
-/**
-  Allocate a FORM_EXPRESSION node.
-
-  @param  Form                   The Form associated with this Expression
-
-  @return Pointer to a FORM_EXPRESSION data structure.
-
-**/
-FORM_EXPRESSION *
-CreateExpression (
-  IN OUT FORM_BROWSER_FORM        *Form
-  )
-{
-  FORM_EXPRESSION  *Expression;
-
-  Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION));
-  Expression->Signature = FORM_EXPRESSION_SIGNATURE;
-  InitializeListHead (&Expression->OpCodeListHead);
-
-  return Expression;
-}
-
-
-/**
-  Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.
-
-  @param  FormSet                Pointer of the current FormSet
-
-  @return Pointer to a FORMSET_STORAGE data structure.
-
-**/
-FORMSET_STORAGE *
-CreateStorage (
-  IN FORM_BROWSER_FORMSET  *FormSet
-  )
-{
-  FORMSET_STORAGE  *Storage;
-
-  Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));
-  Storage->Signature = FORMSET_STORAGE_SIGNATURE;
-  InitializeListHead (&Storage->NameValueListHead);
-  InsertTailList (&FormSet->StorageListHead, &Storage->Link);
-
-  return Storage;
-}
-
-
-/**
-  Create ConfigHdr string for a storage.
-
-  @param  FormSet                Pointer of the current FormSet
-  @param  Storage                Pointer of the storage
-
-  @retval EFI_SUCCESS            Initialize ConfigHdr success
-
-**/
-EFI_STATUS
-InitializeConfigHdr (
-  IN FORM_BROWSER_FORMSET  *FormSet,
-  IN OUT FORMSET_STORAGE   *Storage
-  )
-{
-  EFI_STATUS  Status;
-  UINTN       StrBufferLen;
-  CHAR16      *Name;
-
-  if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {
-    Name = Storage->Name;
-  } else {
-    Name = NULL;
-  }
-
-  StrBufferLen = 0;
-  Status = ConstructConfigHdr (
-             Storage->ConfigHdr,
-             &StrBufferLen,
-             &Storage->Guid,
-             Name,
-             FormSet->DriverHandle
-             );
-  if (Status == EFI_BUFFER_TOO_SMALL) {
-    Storage->ConfigHdr = AllocateZeroPool (StrBufferLen);
-    Status = ConstructConfigHdr (
-               Storage->ConfigHdr,
-               &StrBufferLen,
-               &Storage->Guid,
-               Name,
-               FormSet->DriverHandle
-               );
-  }
-
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
-
-  Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr);
-  Storage->SpareStrLen = 0;
-
-  return EFI_SUCCESS;
-}
-
-
-/**
-  Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>
-
-  @param  FormSet                Pointer of the current FormSet.
-  @param  Question               The Question to be initialized.
-
-  @retval EFI_SUCCESS            Function success.
-  @retval EFI_INVALID_PARAMETER  No storage associated with the Question.
-
-**/
-EFI_STATUS
-InitializeRequestElement (
-  IN OUT FORM_BROWSER_FORMSET     *FormSet,
-  IN OUT FORM_BROWSER_STATEMENT   *Question
-  )
-{
-  FORMSET_STORAGE  *Storage;
-  UINTN            StrLen;
-  UINTN            StringSize;
-  CHAR16           *NewStr;
-  CHAR16           RequestElement[30];
-
-  Storage = Question->Storage;
-  if (Storage == NULL) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {
-    //
-    // <ConfigRequest> is unnecessary for EFI variable storage,
-    // GetVariable()/SetVariable() will be used to retrieve/save values
-    //
-    return EFI_SUCCESS;
-  }
-
-  //
-  // Prepare <RequestElement>
-  //
-  if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {
-    StrLen = UnicodeSPrint (
-               RequestElement,
-               30 * sizeof (CHAR16),
-               L"&OFFSET=%x&WIDTH=%x",
-               Question->VarStoreInfo.VarOffset,
-               Question->StorageWidth
-               );
-    Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement);
-  } else {
-    StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName);
-  }
-
-  if ((Question->Operand == EFI_IFR_PASSWORD_OP) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK)) {
-    //
-    // Password with CALLBACK flag is stored in encoded format,
-    // so don't need to append it to <ConfigRequest>
-    //
-    return EFI_SUCCESS;
-  }
-
-  //
-  // Append <RequestElement> to <ConfigRequest>
-  //
-  if (StrLen > Storage->SpareStrLen) {
-    //
-    // Old String buffer is not sufficient for RequestElement, allocate a new one
-    //
-    StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16);
-    NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16));
-    if (Storage->ConfigRequest != NULL) {
-      CopyMem (NewStr, Storage->ConfigRequest, StringSize);
-      gBS->FreePool (Storage->ConfigRequest);
-    }
-    Storage->ConfigRequest = NewStr;
-    Storage->SpareStrLen   = CONFIG_REQUEST_STRING_INCREMENTAL;
-  }
-
-  StrCat (Storage->ConfigRequest, RequestElement);
-  Storage->ElementCount++;
-  Storage->SpareStrLen -= StrLen;
-
-  return EFI_SUCCESS;
-}
-
-
-/**
-  Free resources of a Expression.
-
-  @param  FormSet                Pointer of the Expression
-
-**/
-VOID
-DestroyExpression (
-  IN FORM_EXPRESSION   *Expression
-  )
-{
-  LIST_ENTRY         *Link;
-  EXPRESSION_OPCODE  *OpCode;
-
-  while (!IsListEmpty (&Expression->OpCodeListHead)) {
-    Link = GetFirstNode (&Expression->OpCodeListHead);
-    OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);
-    RemoveEntryList (&OpCode->Link);
-
-    if (OpCode->ValueList != NULL) {
-      FreePool (OpCode->ValueList);
-    }
-  }
-
-  //
-  // Free this Expression
-  //
-  gBS->FreePool (Expression);
-}
-
-
-/**
-  Free resources of a storage.
-
-  @param  Storage                Pointer of the storage
-
-**/
-VOID
-DestroyStorage (
-  IN FORMSET_STORAGE   *Storage
-  )
-{
-  LIST_ENTRY         *Link;
-  NAME_VALUE_NODE    *NameValueNode;
-
-  if (Storage == NULL) {
-    return;
-  }
-
-  if (Storage->Name != NULL) {
-    FreePool (Storage->Name);
-  }
-  if (Storage->Buffer != NULL) {
-    FreePool (Storage->Buffer);
-  }
-  if (Storage->EditBuffer != NULL) {
-    FreePool (Storage->EditBuffer);
-  }
-
-  while (!IsListEmpty (&Storage->NameValueListHead)) {
-    Link = GetFirstNode (&Storage->NameValueListHead);
-    NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);
-    RemoveEntryList (&NameValueNode->Link);
-
-    if (NameValueNode->Name != NULL) {
-      FreePool (NameValueNode->Name);
-    }
-    if (NameValueNode->Value != NULL) {
-      FreePool (NameValueNode->Value);
-    }
-    if (NameValueNode->EditValue != NULL) {
-      FreePool (NameValueNode->EditValue);
-    }
-    FreePool (NameValueNode);
-  }
-
-  if (Storage->ConfigHdr != NULL) {
-    FreePool (Storage->ConfigHdr);
-  }
-  if (Storage->ConfigRequest != NULL) {
-    FreePool (Storage->ConfigRequest);
-  }
-
-  FreePool (Storage);
-}
-
-
-/**
-  Free resources of a Statement.
-
-  @param  Statement              Pointer of the Statement
-
-**/
-VOID
-DestroyStatement (
-  IN OUT FORM_BROWSER_STATEMENT  *Statement
-  )
-{
-  LIST_ENTRY        *Link;
-  QUESTION_DEFAULT  *Default;
-  QUESTION_OPTION   *Option;
-  FORM_EXPRESSION   *Expression;
-
-  //
-  // Free Default value List
-  //
-  while (!IsListEmpty (&Statement->DefaultListHead)) {
-    Link = GetFirstNode (&Statement->DefaultListHead);
-    Default = QUESTION_DEFAULT_FROM_LINK (Link);
-    RemoveEntryList (&Default->Link);
-
-    gBS->FreePool (Default);
-  }
-
-  //
-  // Free Options List
-  //
-  while (!IsListEmpty (&Statement->OptionListHead)) {
-    Link = GetFirstNode (&Statement->OptionListHead);
-    Option = QUESTION_OPTION_FROM_LINK (Link);
-    RemoveEntryList (&Option->Link);
-
-    gBS->FreePool (Option);
-  }
-
-  //
-  // Free Inconsistent List
-  //
-  while (!IsListEmpty (&Statement->InconsistentListHead)) {
-    Link = GetFirstNode (&Statement->InconsistentListHead);
-    Expression = FORM_EXPRESSION_FROM_LINK (Link);
-    RemoveEntryList (&Expression->Link);
-
-    DestroyExpression (Expression);
-  }
-
-  //
-  // Free NoSubmit List
-  //
-  while (!IsListEmpty (&Statement->NoSubmitListHead)) {
-    Link = GetFirstNode (&Statement->NoSubmitListHead);
-    Expression = FORM_EXPRESSION_FROM_LINK (Link);
-    RemoveEntryList (&Expression->Link);
-
-    DestroyExpression (Expression);
-  }
-
-  if (Statement->VariableName != NULL) {
-    FreePool (Statement->VariableName);
-  }
-  if (Statement->BlockName != NULL) {
-    FreePool (Statement->BlockName);
-  }
-}
-
-
-/**
-  Free resources of a Form.
-
-  @param  Form                   Pointer of the Form.
-
-**/
-VOID
-DestroyForm (
-  IN OUT FORM_BROWSER_FORM  *Form
-  )
-{
-  LIST_ENTRY              *Link;
-  FORM_EXPRESSION         *Expression;
-  FORM_BROWSER_STATEMENT  *Statement;
-
-  //
-  // Free Form Expressions
-  //
-  while (!IsListEmpty (&Form->ExpressionListHead)) {
-    Link = GetFirstNode (&Form->ExpressionListHead);
-    Expression = FORM_EXPRESSION_FROM_LINK (Link);
-    RemoveEntryList (&Expression->Link);
-
-    DestroyExpression (Expression);
-  }
-
-  //
-  // Free Statements/Questions
-  //
-  while (!IsListEmpty (&Form->StatementListHead)) {
-    Link = GetFirstNode (&Form->StatementListHead);
-    Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);
-    RemoveEntryList (&Statement->Link);
-
-    DestroyStatement (Statement);
-  }
-
-  //
-  // Free this Form
-  //
-  gBS->FreePool (Form);
-}
-
-
-/**
-  Free resources allocated for a FormSet.
-
-  @param  FormSet                Pointer of the FormSet
-
-**/
-VOID
-DestroyFormSet (
-  IN OUT FORM_BROWSER_FORMSET  *FormSet
-  )
-{
-  LIST_ENTRY            *Link;
-  FORMSET_STORAGE       *Storage;
-  FORMSET_DEFAULTSTORE  *DefaultStore;
-  FORM_BROWSER_FORM     *Form;
-
-  //
-  // Free IFR binary buffer
-  //
-  FreePool (FormSet->IfrBinaryData);
-
-  //
-  // Free FormSet Storage
-  //
-  if (FormSet->StorageListHead.ForwardLink != NULL) {
-    while (!IsListEmpty (&FormSet->StorageListHead)) {
-      Link = GetFirstNode (&FormSet->StorageListHead);
-      Storage = FORMSET_STORAGE_FROM_LINK (Link);
-      RemoveEntryList (&Storage->Link);
-
-      DestroyStorage (Storage);
-    }
-  }
-
-  //
-  // Free FormSet Default Store
-  //
-  if (FormSet->DefaultStoreListHead.ForwardLink != NULL) {
-    while (!IsListEmpty (&FormSet->DefaultStoreListHead)) {
-      Link = GetFirstNode (&FormSet->DefaultStoreListHead);
-      DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link);
-      RemoveEntryList (&DefaultStore->Link);
-
-      gBS->FreePool (DefaultStore);
-    }
-  }
-
-  //
-  // Free Forms
-  //
-  if (FormSet->FormListHead.ForwardLink != NULL) {
-    while (!IsListEmpty (&FormSet->FormListHead)) {
-      Link = GetFirstNode (&FormSet->FormListHead);
-      Form = FORM_BROWSER_FORM_FROM_LINK (Link);
-      RemoveEntryList (&Form->Link);
-
-      DestroyForm (Form);
-    }
-  }
-
-  if (FormSet->StatementBuffer != NULL) {
-    FreePool (FormSet->StatementBuffer);
-  }
-  if (FormSet->ExpressionBuffer != NULL) {
-    FreePool (FormSet->ExpressionBuffer);
-  }
-
-  FreePool (FormSet);
-}
-
-
-/**
-  Tell whether this Operand is an Expression OpCode or not
-
-  @param  Operand                Operand of an IFR OpCode.
-
-  @retval TRUE                   This is an Expression OpCode.
-  @retval FALSE                  Not an Expression OpCode.
-
-**/
-BOOLEAN
-IsExpressionOpCode (
-  IN UINT8              Operand
-  )
-{
-  if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||
-      ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||
-      (Operand == EFI_IFR_CATENATE_OP) ||
-      (Operand == EFI_IFR_TO_LOWER_OP) ||
-      (Operand == EFI_IFR_TO_UPPER_OP) ||
-      (Operand == EFI_IFR_VERSION_OP)
-     ) {
-    return TRUE;
-  } else {
-    return FALSE;
-  }
-}
-
-
-/**
-  Calculate number of Statemens(Questions) and Expression OpCodes.
-
-  @param  FormSet                The FormSet to be counted.
-  @param  NumberOfStatement      Number of Statemens(Questions)
-  @param  NumberOfExpression     Number of Expression OpCodes
-
-**/
-VOID
-CountOpCodes (
-  IN  FORM_BROWSER_FORMSET  *FormSet,
-  IN OUT  UINT16            *NumberOfStatement,
-  IN OUT  UINT16            *NumberOfExpression
-  )
-{
-  UINT16  StatementCount;
-  UINT16  ExpressionCount;
-  UINT8   *OpCodeData;
-  UINTN   Offset;
-  UINTN   OpCodeLen;
-
-  Offset = 0;
-  StatementCount = 0;
-  ExpressionCount = 0;
-
-  while (Offset < FormSet->IfrBinaryLength) {
-    OpCodeData = FormSet->IfrBinaryData + Offset;
-    OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
-    Offset += OpCodeLen;
-
-    if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) {
-      ExpressionCount++;
-    } else {
-      StatementCount++;
-    }
-  }
-
-  *NumberOfStatement = StatementCount;
-  *NumberOfExpression = ExpressionCount;
-}
-
-
-
-/**
-  Parse opcodes in the formset IFR binary.
-
-  @param  FormSet                Pointer of the FormSet data structure.
-
-  @retval EFI_SUCCESS            Opcode parse success.
-  @retval Other                  Opcode parse fail.
-
-**/
-EFI_STATUS
-ParseOpCodes (
-  IN FORM_BROWSER_FORMSET              *FormSet
-  )
-{
-  EFI_STATUS              Status;
-  UINT16                  Index;
-  FORM_BROWSER_FORM       *CurrentForm;
-  FORM_BROWSER_STATEMENT  *CurrentStatement;
-  EXPRESSION_OPCODE       *ExpressionOpCode;
-  FORM_EXPRESSION         *CurrentExpression;
-  UINT8                   Operand;
-  UINT8                   Scope;
-  UINTN                   OpCodeOffset;
-  UINTN                   OpCodeLength;
-  UINT8                   *OpCodeData;
-  UINT8                   ScopeOpCode;
-  FORMSET_STORAGE         *Storage;
-  FORMSET_DEFAULTSTORE    *DefaultStore;
-  QUESTION_DEFAULT        *CurrentDefault;
-  QUESTION_OPTION         *CurrentOption;
-  CHAR8                   *AsciiString;
-  UINT16                  NumberOfStatement;
-  UINT16                  NumberOfExpression;
-  EFI_IMAGE_ID            *ImageId;
-  BOOLEAN                 SuppressForOption;
-  BOOLEAN                 InScopeOptionSuppress;
-  FORM_EXPRESSION         *OptionSuppressExpression;
-  BOOLEAN                 InScopeDisable;
-  UINT16                  DepthOfDisable;
-  BOOLEAN                 OpCodeDisabled;
-  BOOLEAN                 SingleOpCodeExpression;
-  BOOLEAN                 InScopeDefault;
-  EFI_HII_VALUE           *Value;
-
-  mInScopeSubtitle         = FALSE;
-  SuppressForOption        = FALSE;
-  mInScopeSuppress         = FALSE;
-  InScopeOptionSuppress    = FALSE;
-  mInScopeGrayOut          = FALSE;
-  InScopeDisable           = FALSE;
-  DepthOfDisable           = 0;
-  OpCodeDisabled           = FALSE;
-  SingleOpCodeExpression   = FALSE;
-  InScopeDefault           = FALSE;
-  CurrentExpression        = NULL;
-  CurrentDefault           = NULL;
-  CurrentOption            = NULL;
-  OptionSuppressExpression = NULL;
-
-  //
-  // Get the number of Statements and Expressions
-  //
-  CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);
-
-  mStatementIndex = 0;
-  FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT));
-  if (FormSet->StatementBuffer == NULL) {
-    return EFI_OUT_OF_RESOURCES;
-  }
-
-  mExpressionOpCodeIndex = 0;
-  FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE));
-  if (FormSet->ExpressionBuffer == NULL) {
-    return EFI_OUT_OF_RESOURCES;
-  }
-
-  InitializeListHead (&FormSet->StorageListHead);
-  InitializeListHead (&FormSet->DefaultStoreListHead);
-  InitializeListHead (&FormSet->FormListHead);
-
-  CurrentForm = NULL;
-  CurrentStatement = NULL;
-
-  ResetScopeStack ();
-
-  OpCodeOffset = 0;
-  while (OpCodeOffset < FormSet->IfrBinaryLength) {
-    OpCodeData = FormSet->IfrBinaryData + OpCodeOffset;
-
-    OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
-    OpCodeOffset += OpCodeLength;
-    Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;
-    Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope;
-
-    //
-    // If scope bit set, push onto scope stack
-    //
-    if (Scope != 0) {
-      PushScope (Operand);
-    }
-
-    if (OpCodeDisabled) {
-      //
-      // DisableIf Expression is evaluated to be TRUE, try to find its end.
-      // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END
-      //
-      if (Operand == EFI_IFR_DISABLE_IF_OP) {
-        DepthOfDisable++;
-      } else if (Operand == EFI_IFR_END_OP) {
-        Status = PopScope (&ScopeOpCode);
-        if (EFI_ERROR (Status)) {
-          return Status;
-        }
-
-        if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) {
-          if (DepthOfDisable == 0) {
-            InScopeDisable = FALSE;
-            OpCodeDisabled = FALSE;
-          } else {
-            DepthOfDisable--;
-          }
-        }
-      }
-      continue;
-    }
-
-    if (IsExpressionOpCode (Operand)) {
-      ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex];
-      mExpressionOpCodeIndex++;
-
-      ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE;
-      ExpressionOpCode->Operand = Operand;
-      Value = &ExpressionOpCode->Value;
-
-      switch (Operand) {
-      case EFI_IFR_EQ_ID_VAL_OP:
-        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
-        CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16));
-        break;
-
-      case EFI_IFR_EQ_ID_ID_OP:
-        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID));
-        CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID));
-        break;
-
-      case EFI_IFR_EQ_ID_LIST_OP:
-        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-        CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16));
-        ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList);
-        break;
-
-      case EFI_IFR_TO_STRING_OP:
-      case EFI_IFR_FIND_OP:
-        ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format;
-        break;
-
-      case EFI_IFR_STRING_REF1_OP:
-        Value->Type = EFI_IFR_TYPE_STRING;
-        CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID));
-        break;
-
-      case EFI_IFR_RULE_REF_OP:
-        ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId;
-        break;
-
-      case EFI_IFR_SPAN_OP:
-        ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags;
-        break;
-
-      case EFI_IFR_THIS_OP:
-        ExpressionOpCode->QuestionId = CurrentStatement->QuestionId;
-        break;
-
-      case EFI_IFR_QUESTION_REF1_OP:
-        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-        break;
-
-      case EFI_IFR_QUESTION_REF3_OP:
-        if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) {
-          CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));
-
-          if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) {
-            CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID));
-          }
-        }
-        break;
-
-      //
-      // constant
-      //
-      case EFI_IFR_TRUE_OP:
-        Value->Type = EFI_IFR_TYPE_BOOLEAN;
-        Value->Value.b = TRUE;
-        break;
-
-      case EFI_IFR_FALSE_OP:
-        Value->Type = EFI_IFR_TYPE_BOOLEAN;
-        Value->Value.b = FALSE;
-        break;
-
-      case EFI_IFR_ONE_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
-        Value->Value.u8 = 1;
-        break;
-
-      case EFI_IFR_ZERO_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
-        Value->Value.u8 = 0;
-        break;
-
-      case EFI_IFR_ONES_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
-        Value->Value.u64 = 0xffffffffffffffffULL;
-        break;
-
-      case EFI_IFR_UINT8_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
-        Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value;
-        break;
-
-      case EFI_IFR_UINT16_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
-        CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16));
-        break;
-
-      case EFI_IFR_UINT32_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;
-        CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32));
-        break;
-
-      case EFI_IFR_UINT64_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
-        CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64));
-        break;
-
-      case EFI_IFR_UNDEFINED_OP:
-        Value->Type = EFI_IFR_TYPE_OTHER;
-        break;
-
-      case EFI_IFR_VERSION_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
-        Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION;
-        break;
-
-      default:
-        break;
-      }
-
-      InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);
-
-      if (SingleOpCodeExpression) {
-        //
-        // There are two cases to indicate the end of an Expression:
-        // for single OpCode expression: one Expression OpCode
-        // for expression consists of more than one OpCode: EFI_IFR_END
-        //
-        SingleOpCodeExpression = FALSE;
-
-        if (InScopeDisable) {
-          //
-          // Evaluate DisableIf expression
-          //
-          Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);
-          if (EFI_ERROR (Status)) {
-            return Status;
-          }
-          if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {
-            return EFI_INVALID_PARAMETER;
-          }
-
-          OpCodeDisabled = CurrentExpression->Result.Value.b;
-        }
-
-        CurrentExpression = NULL;
-      }
-
-      continue;
-    }
-
-    //
-    // Parse the Opcode
-    //
-    switch (Operand) {
-
-    case EFI_IFR_FORM_SET_OP:
-      //
-      // check the formset GUID
-      //
-      if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) {
-        return EFI_INVALID_PARAMETER;
-      }
-
-      CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));
-      CopyMem (&FormSet->Help,         &((EFI_IFR_FORM_SET *) OpCodeData)->Help,         sizeof (EFI_STRING_ID));
-      break;
-
-    case EFI_IFR_FORM_OP:
-      //
-      // Create a new Form for this FormSet
-      //
-      CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));
-      CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;
-      InitializeListHead (&CurrentForm->ExpressionListHead);
-      InitializeListHead (&CurrentForm->StatementListHead);
-
-      CopyMem (&CurrentForm->FormId,    &((EFI_IFR_FORM *) OpCodeData)->FormId,    sizeof (UINT16));
-      CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));
-
-      //
-      // Insert into Form list of this FormSet
-      //
-      InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);
-      break;
-
-    //
-    // Storage
-    //
-    case EFI_IFR_VARSTORE_OP:
-      //
-      // Create a buffer Storage for this FormSet
-      //
-      Storage = CreateStorage (FormSet);
-      Storage->Type = EFI_HII_VARSTORE_BUFFER;
-
-      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
-      CopyMem (&Storage->Guid,       &((EFI_IFR_VARSTORE *) OpCodeData)->Guid,       sizeof (EFI_GUID));
-      CopyMem (&Storage->Size,       &((EFI_IFR_VARSTORE *) OpCodeData)->Size,       sizeof (UINT16));
-
-      Storage->Buffer = AllocateZeroPool (Storage->Size);
-      Storage->EditBuffer = AllocateZeroPool (Storage->Size);
-
-      AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;
-      Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2);
-      ASSERT (Storage->Name != NULL);
-      for (Index = 0; AsciiString[Index] != 0; Index++) {
-        Storage->Name[Index] = (CHAR16) AsciiString[Index];
-      }
-
-      //
-      // Initialize <ConfigHdr>
-      //
-      InitializeConfigHdr (FormSet, Storage);
-      break;
-
-    case EFI_IFR_VARSTORE_NAME_VALUE_OP:
-      //
-      // Create a name/value Storage for this FormSet
-      //
-      Storage = CreateStorage (FormSet);
-      Storage->Type = EFI_HII_VARSTORE_NAME_VALUE;
-
-      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
-      CopyMem (&Storage->Guid,       &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid,       sizeof (EFI_GUID));
-
-      //
-      // Initialize <ConfigHdr>
-      //
-      InitializeConfigHdr (FormSet, Storage);
-      break;
-
-    case EFI_IFR_VARSTORE_EFI_OP:
-      //
-      // Create a EFI variable Storage for this FormSet
-      //
-      Storage = CreateStorage (FormSet);
-      Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE;
-
-      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
-      CopyMem (&Storage->Guid,       &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid,       sizeof (EFI_GUID));
-      CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));
-      break;
-
-    //
-    // DefaultStore
-    //
-    case EFI_IFR_DEFAULTSTORE_OP:
-      DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE));
-      DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE;
-
-      CopyMem (&DefaultStore->DefaultId,   &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId,   sizeof (UINT16));
-      CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID));
-
-      //
-      // Insert to DefaultStore list of this Formset
-      //
-      InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link);
-      break;
-
-    //
-    // Statements
-    //
-    case EFI_IFR_SUBTITLE_OP:
-      CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
-      CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;
-
-      if (Scope != 0) {
-        mInScopeSubtitle = TRUE;
-      }
-      break;
-
-    case EFI_IFR_TEXT_OP:
-      CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
-
-      CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));
-      break;
-
-    //
-    // Questions
-    //
-    case EFI_IFR_ACTION_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) {
-        //
-        // No QuestionConfig present, so no configuration string will be processed
-        //
-        CurrentStatement->QuestionConfig = 0;
-      } else {
-        CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID));
-      }
-      break;
-
-    case EFI_IFR_RESET_BUTTON_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));
-      break;
-
-    case EFI_IFR_REF_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID));
-      if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {
-        CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-
-        if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {
-          CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID));
-
-          if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {
-            CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));
-          }
-        }
-      }
-      break;
-
-    case EFI_IFR_ONE_OF_OP:
-    case EFI_IFR_NUMERIC_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags;
-      Value = &CurrentStatement->HiiValue;
-
-      switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) {
-      case EFI_IFR_NUMERIC_SIZE_1:
-        CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue;
-        CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue;
-        CurrentStatement->Step    = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step;
-        CurrentStatement->StorageWidth = sizeof (UINT8);
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
-        break;
-
-      case EFI_IFR_NUMERIC_SIZE_2:
-        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16));
-        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16));
-        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step,     sizeof (UINT16));
-        CurrentStatement->StorageWidth = sizeof (UINT16);
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
-        break;
-
-      case EFI_IFR_NUMERIC_SIZE_4:
-        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32));
-        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32));
-        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step,     sizeof (UINT32));
-        CurrentStatement->StorageWidth = sizeof (UINT32);
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;
-        break;
-
-      case EFI_IFR_NUMERIC_SIZE_8:
-        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64));
-        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64));
-        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step,     sizeof (UINT64));
-        CurrentStatement->StorageWidth = sizeof (UINT64);
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
-        break;
-
-      default:
-        break;
-      }
-
-      InitializeRequestElement (FormSet, CurrentStatement);
-
-      if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) {
-        SuppressForOption = TRUE;
-      }
-      break;
-
-    case EFI_IFR_ORDERED_LIST_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;
-      CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;
-      CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8));
-      InitializeRequestElement (FormSet, CurrentStatement);
-
-      //
-      // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver
-      // has to use FormBrowser2.Callback() to retrieve the uncommited data for
-      // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set).
-      //
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER;
-      CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);
-
-      if (Scope != 0) {
-        SuppressForOption = TRUE;
-      }
-      break;
-
-    case EFI_IFR_CHECKBOX_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;
-      CurrentStatement->StorageWidth = sizeof (BOOLEAN);
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;
-
-      InitializeRequestElement (FormSet, CurrentStatement);
-
-      break;
-
-    case EFI_IFR_STRING_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      //
-      // MinSize is the minimum number of characters that can be accepted for this opcode,
-      // MaxSize is the maximum number of characters that can be accepted for this opcode.
-      // The characters are stored as Unicode, so the storage width should multiply 2.
-      //
-      CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize;
-      CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize;
-      CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));
-      CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags;
-
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;
-      CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16));
-
-      InitializeRequestElement (FormSet, CurrentStatement);
-      break;
-
-    case EFI_IFR_PASSWORD_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      //
-      // MinSize is the minimum number of characters that can be accepted for this opcode,
-      // MaxSize is the maximum number of characters that can be accepted for this opcode.
-      // The characters are stored as Unicode, so the storage width should multiply 2.
-      //
-      CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16));
-      CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16));
-      CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));
-
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;
-      CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16)));
-
-      InitializeRequestElement (FormSet, CurrentStatement);
-      break;
-
-    case EFI_IFR_DATE_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags;
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE;
-
-      if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) {
-        CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE);
-
-        InitializeRequestElement (FormSet, CurrentStatement);
-      } else {
-        //
-        // Don't assign storage for RTC type of date/time
-        //
-        CurrentStatement->Storage = NULL;
-        CurrentStatement->StorageWidth = 0;
-      }
-      break;
-
-    case EFI_IFR_TIME_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-
-      CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags;
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME;
-
-      if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) {
-        CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME);
-
-        InitializeRequestElement (FormSet, CurrentStatement);
-      } else {
-        //
-        // Don't assign storage for RTC type of date/time
-        //
-        CurrentStatement->Storage = NULL;
-        CurrentStatement->StorageWidth = 0;
-      }
-      break;
-
-    //
-    // Default
-    //
-    case EFI_IFR_DEFAULT_OP:
-      //
-      // EFI_IFR_DEFAULT appear in scope of a Question,
-      // It creates a default value for the current question.
-      // A Question may have more than one Default value which have different default types.
-      //
-      CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));
-      CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;
-
-      CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type;
-      CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16));
-      CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));
-      ExtendValueToU64 (&CurrentDefault->Value);
-
-      //
-      // Insert to Default Value list of current Question
-      //
-      InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link);
-
-      if (Scope != 0) {
-        InScopeDefault = TRUE;
-      }
-      break;
-
-    //
-    // Option
-    //
-    case EFI_IFR_ONE_OF_OPTION_OP:
-      //
-      // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.
-      // It create a selection for use in current Question.
-      //
-      CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION));
-      CurrentOption->Signature = QUESTION_OPTION_SIGNATURE;
-
-      CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags;
-      CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type;
-      CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID));
-      CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));
-      ExtendValueToU64 (&CurrentOption->Value);
-
-      if (InScopeOptionSuppress) {
-        CurrentOption->SuppressExpression = OptionSuppressExpression;
-      }
-
-      //
-      // Insert to Option list of current Question
-      //
-      InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link);
-      break;
-
-    //
-    // Conditional
-    //
-    case EFI_IFR_NO_SUBMIT_IF_OP:
-    case EFI_IFR_INCONSISTENT_IF_OP:
-      //
-      // Create an Expression node
-      //
-      CurrentExpression = CreateExpression (CurrentForm);
-      CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID));
-
-      if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) {
-        CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF;
-        InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link);
-      } else {
-        CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF;
-        InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link);
-      }
-      break;
-
-    case EFI_IFR_SUPPRESS_IF_OP:
-      //
-      // Question and Option will appear in scope of this OpCode
-      //
-      CurrentExpression = CreateExpression (CurrentForm);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
-      if (SuppressForOption) {
-        InScopeOptionSuppress = TRUE;
-        OptionSuppressExpression = CurrentExpression;
-      } else {
-        mInScopeSuppress = TRUE;
-        mSuppressExpression = CurrentExpression;
-      }
-      break;
-
-    case EFI_IFR_GRAY_OUT_IF_OP:
-      //
-      // Questions will appear in scope of this OpCode
-      //
-      CurrentExpression = CreateExpression (CurrentForm);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
-      mInScopeGrayOut = TRUE;
-      mGrayOutExpression = CurrentExpression;
-      break;
-
-    case EFI_IFR_DISABLE_IF_OP:
-      //
-      // The DisableIf expression should only rely on constant, so it could be
-      // evaluated at initialization and it will not be queued
-      //
-      CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION));
-      CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE;
-      CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF;
-      InitializeListHead (&CurrentExpression->OpCodeListHead);
-
-      InScopeDisable = TRUE;
-      OpCodeDisabled = FALSE;
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    //
-    // Expression
-    //
-    case EFI_IFR_VALUE_OP:
-      CurrentExpression = CreateExpression (CurrentForm);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
-      if (InScopeDefault) {
-        //
-        // Used for default (EFI_IFR_DEFAULT)
-        //
-        CurrentDefault->ValueExpression = CurrentExpression;
-      } else {
-        //
-        // If used for a question, then the question will be read-only
-        //
-        CurrentStatement->ValueExpression = CurrentExpression;
-      }
-      break;
-
-    case EFI_IFR_RULE_OP:
-      CurrentExpression = CreateExpression (CurrentForm);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_RULE;
-
-      CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-      break;
-
-    //
-    // Image
-    //
-    case EFI_IFR_IMAGE_OP:
-      //
-      // Get ScopeOpcode from top of stack
-      //
-      PopScope (&ScopeOpCode);
-      PushScope (ScopeOpCode);
-
-      switch (ScopeOpCode) {
-      case EFI_IFR_FORM_SET_OP:
-        ImageId = &FormSet->ImageId;
-        break;
-
-      case EFI_IFR_FORM_OP:
-        ImageId = &CurrentForm->ImageId;
-        break;
-
-      case EFI_IFR_ONE_OF_OPTION_OP:
-        ImageId = &CurrentOption->ImageId;
-        break;
-
-      default:
-        ImageId = &CurrentStatement->ImageId;
-        break;
-      }
-
-      CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID));
-      break;
-
-    //
-    // Refresh
-    //
-    case EFI_IFR_REFRESH_OP:
-      CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval;
-      break;
-
-    //
-    // Vendor specific
-    //
-    case EFI_IFR_GUID_OP:
-      if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {
-        //
-        // Tiano specific GUIDed opcodes
-        //
-        switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) {
-        case EFI_IFR_EXTEND_OP_LABEL:
-          //
-          // just ignore label
-          //
-          break;
-
-        case EFI_IFR_EXTEND_OP_BANNER:
-          if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) {
-            CopyMem (
-              &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][
-              ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment],
-              &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title,
-              sizeof (EFI_STRING_ID)
-              );
-          }
-          break;
-
-        case EFI_IFR_EXTEND_OP_CLASS:
-          CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));
-          break;
-
-        case EFI_IFR_EXTEND_OP_SUBCLASS:
-          CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16));
-          break;
-
-        default:
-          break;
-        }
-      }
-
-      break;
-
-    //
-    // Scope End
-    //
-    case EFI_IFR_END_OP:
-      Status = PopScope (&ScopeOpCode);
-      if (EFI_ERROR (Status)) {
-        ResetScopeStack ();
-        return Status;
-      }
-
-      switch (ScopeOpCode) {
-      case EFI_IFR_FORM_SET_OP:
-        //
-        // End of FormSet, update FormSet IFR binary length
-        // to stop parsing substantial OpCodes
-        //
-        FormSet->IfrBinaryLength = OpCodeOffset;
-        break;
-
-      case EFI_IFR_FORM_OP:
-        //
-        // End of Form
-        //
-        CurrentForm = NULL;
-        break;
-
-      case EFI_IFR_ONE_OF_OPTION_OP:
-        //
-        // End of Option
-        //
-        CurrentOption = NULL;
-        break;
-
-      case EFI_IFR_SUBTITLE_OP:
-        mInScopeSubtitle = FALSE;
-        break;
-
-      case EFI_IFR_NO_SUBMIT_IF_OP:
-      case EFI_IFR_INCONSISTENT_IF_OP:
-        //
-        // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF
-        //
-        break;
-
-      case EFI_IFR_SUPPRESS_IF_OP:
-        if (SuppressForOption) {
-          InScopeOptionSuppress = FALSE;
-        } else {
-          mInScopeSuppress = FALSE;
-        }
-        break;
-
-      case EFI_IFR_GRAY_OUT_IF_OP:
-        mInScopeGrayOut = FALSE;
-        break;
-
-      case EFI_IFR_DISABLE_IF_OP:
-        InScopeDisable = FALSE;
-        OpCodeDisabled = FALSE;
-        break;
-
-      case EFI_IFR_ONE_OF_OP:
-      case EFI_IFR_ORDERED_LIST_OP:
-        SuppressForOption = FALSE;
-        break;
-
-      case EFI_IFR_DEFAULT_OP:
-        InScopeDefault = FALSE;
-        break;
-
-      default:
-        if (IsExpressionOpCode (ScopeOpCode)) {
-          if (InScopeDisable) {
-            //
-            // Evaluate DisableIf expression
-            //
-            Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);
-            if (EFI_ERROR (Status)) {
-              return Status;
-            }
-            if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {
-              return EFI_INVALID_PARAMETER;
-            }
-
-            OpCodeDisabled = CurrentExpression->Result.Value.b;
-            //
-            // DisableIf Expression is only used once and not quequed, free it
-            //
-            DestroyExpression (CurrentExpression);
-          }
-
-          //
-          // End of current Expression
-          //
-          CurrentExpression = NULL;
-        }
-        break;
-      }
-      break;
-
-    default:
-      break;
-    }
-  }
-
-  return EFI_SUCCESS;
-}
+/** @file

+Parser for IFR binary encoding.

+

+Copyright (c) 2007 - 2008, Intel Corporation

+All rights reserved. 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 "Setup.h"

+#include "Ui.h"

+

+UINT16           mStatementIndex;

+UINT16           mExpressionOpCodeIndex;

+

+BOOLEAN          mInScopeSubtitle;

+BOOLEAN          mInScopeSuppress;

+BOOLEAN          mInScopeGrayOut;

+FORM_EXPRESSION  *mSuppressExpression;

+FORM_EXPRESSION  *mGrayOutExpression;

+

+EFI_GUID  gTianoHiiIfrGuid = EFI_IFR_TIANO_GUID;

+GLOBAL_REMOVE_IF_UNREFERENCED EFI_GUID  mFrameworkHiiCompatibilityGuid = EFI_IFR_FRAMEWORK_GUID;

+

+

+/**

+  Initialize Statement header members.

+

+  @param  OpCodeData             Pointer of the raw OpCode data.

+  @param  FormSet                Pointer of the current FormSe.

+  @param  Form                   Pointer of the current Form.

+

+  @return The Statement.

+

+**/

+FORM_BROWSER_STATEMENT *

+CreateStatement (

+  IN UINT8                        *OpCodeData,

+  IN OUT FORM_BROWSER_FORMSET     *FormSet,

+  IN OUT FORM_BROWSER_FORM        *Form

+  )

+{

+  FORM_BROWSER_STATEMENT    *Statement;

+  EFI_IFR_STATEMENT_HEADER  *StatementHdr;

+

+  if (Form == NULL) {

+    //

+    // We are currently not in a Form Scope, so just skip this Statement

+    //

+    return NULL;

+  }

+

+  Statement = &FormSet->StatementBuffer[mStatementIndex];

+  mStatementIndex++;

+

+  InitializeListHead (&Statement->DefaultListHead);

+  InitializeListHead (&Statement->OptionListHead);

+  InitializeListHead (&Statement->InconsistentListHead);

+  InitializeListHead (&Statement->NoSubmitListHead);

+

+  Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE;

+

+  Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;

+

+  StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));

+  CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID));

+  CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID));

+

+  if (mInScopeSuppress) {

+    Statement->SuppressExpression = mSuppressExpression;

+  }

+

+  if (mInScopeGrayOut) {

+    Statement->GrayOutExpression = mGrayOutExpression;

+  }

+

+  Statement->InSubtitle = mInScopeSubtitle;

+

+  //

+  // Insert this Statement into current Form

+  //

+  InsertTailList (&Form->StatementListHead, &Statement->Link);

+

+  return Statement;

+}

+

+EFI_STATUS

+UpdateCheckBoxStringToken (

+  IN CONST FORM_BROWSER_FORMSET *FormSet,

+  IN       FORM_BROWSER_STATEMENT *Statement

+  )

+{

+  CHAR16                  Str[MAXIMUM_VALUE_CHARACTERS];

+  EFI_STRING_ID           Id;

+  EFI_STATUS              Status;

+

+  ASSERT (Statement != NULL);

+  ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP);

+  

+  UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1);

+  

+  Status = HiiLibNewString (FormSet->HiiHandle, &Id, Str);

+

+  if (EFI_ERROR (Status)) {

+    return Status;

+  }

+

+  Statement->VarStoreInfo.VarName = Id;

+    

+  return EFI_SUCCESS;

+}

+

+BOOLEAN

+IsNextOpCodeGuidedVarEqName (

+  UINT8 *OpCodeData

+  )

+{

+  //

+  // Get next opcode

+  //

+  OpCodeData += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;

+  if (*OpCodeData == EFI_IFR_GUID_OP) {

+    if (CompareGuid (&mFrameworkHiiCompatibilityGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {

+      //

+      // Specific GUIDed opcodes to support IFR generated from Framework HII VFR 

+      //

+      if ((((EFI_IFR_GUID_VAREQNAME *) OpCodeData)->ExtendOpCode) == EFI_IFR_EXTEND_OP_VAREQNAME) {

+        return TRUE;

+      }

+    }

+  }

+

+  return FALSE;

+}

+

+/**

+  Initialize Question's members.

+

+  @param  OpCodeData             Pointer of the raw OpCode data.

+  @param  FormSet                Pointer of the current FormSet.

+  @param  Form                   Pointer of the current Form.

+

+  @return The Question.

+

+**/

+FORM_BROWSER_STATEMENT *

+CreateQuestion (

+  IN UINT8                        *OpCodeData,

+  IN OUT FORM_BROWSER_FORMSET     *FormSet,

+  IN OUT FORM_BROWSER_FORM        *Form

+  )

+{

+  FORM_BROWSER_STATEMENT   *Statement;

+  EFI_IFR_QUESTION_HEADER  *QuestionHdr;

+  LIST_ENTRY               *Link;

+  FORMSET_STORAGE          *Storage;

+  NAME_VALUE_NODE          *NameValueNode;

+  EFI_STATUS               Status;

+

+  Statement = CreateStatement (OpCodeData, FormSet, Form);

+  if (Statement == NULL) {

+    return NULL;

+  }

+

+  QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));

+  CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID));

+  CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID));

+  CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16));

+

+  Statement->QuestionFlags = QuestionHdr->Flags;

+

+  if (Statement->VarStoreId == 0) {

+    //

+    // VarStoreId of zero indicates no variable storage

+    //

+    return Statement;

+  }

+

+  //

+  // Take a look at next OpCode to see whether it is a GUIDed opcode to support

+  // Framework Compatibility

+  //

+  if (FeaturePcdGet (PcdFrameworkHiiCompatibilitySupport)) {

+    if ((*OpCodeData == EFI_IFR_NUMERIC_OP) && IsNextOpCodeGuidedVarEqName (OpCodeData)) {

+      Status = UpdateCheckBoxStringToken (FormSet, Statement);

+      if (EFI_ERROR (Status)) {

+        return NULL;

+      }

+    }

+  }

+

+  //

+  // Find Storage for this Question

+  //

+  Link = GetFirstNode (&FormSet->StorageListHead);

+  while (!IsNull (&FormSet->StorageListHead, Link)) {

+    Storage = FORMSET_STORAGE_FROM_LINK (Link);

+

+    if (Storage->VarStoreId == Statement->VarStoreId) {

+      Statement->Storage = Storage;

+      break;

+    }

+

+    Link = GetNextNode (&FormSet->StorageListHead, Link);

+  }

+  ASSERT (Statement->Storage != NULL);

+

+  //

+  // Initialilze varname for Name/Value or EFI Variable

+  //

+  if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) ||

+      (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {

+    Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle);

+    ASSERT (Statement->VariableName != NULL);

+

+    if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {

+      //

+      // Insert to Name/Value varstore list

+      //

+      NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE));

+      ASSERT (NameValueNode != NULL);

+      NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE;

+      NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName);

+      ASSERT (NameValueNode->Name != NULL);

+      NameValueNode->Value = AllocateZeroPool (0x10);

+      ASSERT (NameValueNode->Value != NULL);

+      NameValueNode->EditValue = AllocateZeroPool (0x10);

+      ASSERT (NameValueNode->EditValue != NULL);

+

+      InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link);

+    }

+  }

+

+  return Statement;

+}

+

+

+/**

+  Allocate a FORM_EXPRESSION node.

+

+  @param  Form                   The Form associated with this Expression

+

+  @return Pointer to a FORM_EXPRESSION data structure.

+

+**/

+FORM_EXPRESSION *

+CreateExpression (

+  IN OUT FORM_BROWSER_FORM        *Form

+  )

+{

+  FORM_EXPRESSION  *Expression;

+

+  Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION));

+  Expression->Signature = FORM_EXPRESSION_SIGNATURE;

+  InitializeListHead (&Expression->OpCodeListHead);

+

+  return Expression;

+}

+

+

+/**

+  Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.

+

+  @param  FormSet                Pointer of the current FormSet

+

+  @return Pointer to a FORMSET_STORAGE data structure.

+

+**/

+FORMSET_STORAGE *

+CreateStorage (

+  IN FORM_BROWSER_FORMSET  *FormSet

+  )

+{

+  FORMSET_STORAGE  *Storage;

+

+  Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));

+  Storage->Signature = FORMSET_STORAGE_SIGNATURE;

+  InitializeListHead (&Storage->NameValueListHead);

+  InsertTailList (&FormSet->StorageListHead, &Storage->Link);

+

+  return Storage;

+}

+

+

+/**

+  Create ConfigHdr string for a storage.

+

+  @param  FormSet                Pointer of the current FormSet

+  @param  Storage                Pointer of the storage

+

+  @retval EFI_SUCCESS            Initialize ConfigHdr success

+

+**/

+EFI_STATUS

+InitializeConfigHdr (

+  IN FORM_BROWSER_FORMSET  *FormSet,

+  IN OUT FORMSET_STORAGE   *Storage

+  )

+{

+  EFI_STATUS  Status;

+  UINTN       StrBufferLen;

+  CHAR16      *Name;

+

+  if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {

+    Name = Storage->Name;

+  } else {

+    Name = NULL;

+  }

+

+  StrBufferLen = 0;

+  Status = ConstructConfigHdr (

+             Storage->ConfigHdr,

+             &StrBufferLen,

+             &Storage->Guid,

+             Name,

+             FormSet->DriverHandle

+             );

+  if (Status == EFI_BUFFER_TOO_SMALL) {

+    Storage->ConfigHdr = AllocateZeroPool (StrBufferLen);

+    Status = ConstructConfigHdr (

+               Storage->ConfigHdr,

+               &StrBufferLen,

+               &Storage->Guid,

+               Name,

+               FormSet->DriverHandle

+               );

+  }

+

+  if (EFI_ERROR (Status)) {

+    return Status;

+  }

+

+  Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr);

+  Storage->SpareStrLen = 0;

+

+  return EFI_SUCCESS;

+}

+

+

+/**

+  Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>

+

+  @param  FormSet                Pointer of the current FormSet.

+  @param  Question               The Question to be initialized.

+

+  @retval EFI_SUCCESS            Function success.

+  @retval EFI_INVALID_PARAMETER  No storage associated with the Question.

+

+**/

+EFI_STATUS

+InitializeRequestElement (

+  IN OUT FORM_BROWSER_FORMSET     *FormSet,

+  IN OUT FORM_BROWSER_STATEMENT   *Question

+  )

+{

+  FORMSET_STORAGE  *Storage;

+  UINTN            StrLen;

+  UINTN            StringSize;

+  CHAR16           *NewStr;

+  CHAR16           RequestElement[30];

+

+  Storage = Question->Storage;

+  if (Storage == NULL) {

+    return EFI_INVALID_PARAMETER;

+  }

+

+  if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {

+    //

+    // <ConfigRequest> is unnecessary for EFI variable storage,

+    // GetVariable()/SetVariable() will be used to retrieve/save values

+    //

+    return EFI_SUCCESS;

+  }

+

+  //

+  // Prepare <RequestElement>

+  //

+  if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {

+    StrLen = UnicodeSPrint (

+               RequestElement,

+               30 * sizeof (CHAR16),

+               L"&OFFSET=%x&WIDTH=%x",

+               Question->VarStoreInfo.VarOffset,

+               Question->StorageWidth

+               );

+    Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement);

+  } else {

+    StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName);

+  }

+

+  if ((Question->Operand == EFI_IFR_PASSWORD_OP) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK)) {

+    //

+    // Password with CALLBACK flag is stored in encoded format,

+    // so don't need to append it to <ConfigRequest>

+    //

+    return EFI_SUCCESS;

+  }

+

+  //

+  // Append <RequestElement> to <ConfigRequest>

+  //

+  if (StrLen > Storage->SpareStrLen) {

+    //

+    // Old String buffer is not sufficient for RequestElement, allocate a new one

+    //

+    StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16);

+    NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16));

+    if (Storage->ConfigRequest != NULL) {

+      CopyMem (NewStr, Storage->ConfigRequest, StringSize);

+      gBS->FreePool (Storage->ConfigRequest);

+    }

+    Storage->ConfigRequest = NewStr;

+    Storage->SpareStrLen   = CONFIG_REQUEST_STRING_INCREMENTAL;

+  }

+

+  StrCat (Storage->ConfigRequest, RequestElement);

+  Storage->ElementCount++;

+  Storage->SpareStrLen -= StrLen;

+

+  return EFI_SUCCESS;

+}

+

+

+/**

+  Free resources of a Expression.

+

+  @param  FormSet                Pointer of the Expression

+

+**/

+VOID

+DestroyExpression (

+  IN FORM_EXPRESSION   *Expression

+  )

+{

+  LIST_ENTRY         *Link;

+  EXPRESSION_OPCODE  *OpCode;

+

+  while (!IsListEmpty (&Expression->OpCodeListHead)) {

+    Link = GetFirstNode (&Expression->OpCodeListHead);

+    OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);

+    RemoveEntryList (&OpCode->Link);

+

+    if (OpCode->ValueList != NULL) {

+      FreePool (OpCode->ValueList);

+    }

+  }

+

+  //

+  // Free this Expression

+  //

+  gBS->FreePool (Expression);

+}

+

+

+/**

+  Free resources of a storage.

+

+  @param  Storage                Pointer of the storage

+

+**/

+VOID

+DestroyStorage (

+  IN FORMSET_STORAGE   *Storage

+  )

+{

+  LIST_ENTRY         *Link;

+  NAME_VALUE_NODE    *NameValueNode;

+

+  if (Storage == NULL) {

+    return;

+  }

+

+  if (Storage->Name != NULL) {

+    FreePool (Storage->Name);

+  }

+  if (Storage->Buffer != NULL) {

+    FreePool (Storage->Buffer);

+  }

+  if (Storage->EditBuffer != NULL) {

+    FreePool (Storage->EditBuffer);

+  }

+

+  while (!IsListEmpty (&Storage->NameValueListHead)) {

+    Link = GetFirstNode (&Storage->NameValueListHead);

+    NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);

+    RemoveEntryList (&NameValueNode->Link);

+

+    if (NameValueNode->Name != NULL) {

+      FreePool (NameValueNode->Name);

+    }

+    if (NameValueNode->Value != NULL) {

+      FreePool (NameValueNode->Value);

+    }

+    if (NameValueNode->EditValue != NULL) {

+      FreePool (NameValueNode->EditValue);

+    }

+    FreePool (NameValueNode);

+  }

+

+  if (Storage->ConfigHdr != NULL) {

+    FreePool (Storage->ConfigHdr);

+  }

+  if (Storage->ConfigRequest != NULL) {

+    FreePool (Storage->ConfigRequest);

+  }

+

+  FreePool (Storage);

+}

+

+

+/**

+  Free resources of a Statement.

+

+  @param  Statement              Pointer of the Statement

+

+**/

+VOID

+DestroyStatement (

+  IN OUT FORM_BROWSER_STATEMENT  *Statement

+  )

+{

+  LIST_ENTRY        *Link;

+  QUESTION_DEFAULT  *Default;

+  QUESTION_OPTION   *Option;

+  FORM_EXPRESSION   *Expression;

+

+  //

+  // Free Default value List

+  //

+  while (!IsListEmpty (&Statement->DefaultListHead)) {

+    Link = GetFirstNode (&Statement->DefaultListHead);

+    Default = QUESTION_DEFAULT_FROM_LINK (Link);

+    RemoveEntryList (&Default->Link);

+

+    gBS->FreePool (Default);

+  }

+

+  //

+  // Free Options List

+  //

+  while (!IsListEmpty (&Statement->OptionListHead)) {

+    Link = GetFirstNode (&Statement->OptionListHead);

+    Option = QUESTION_OPTION_FROM_LINK (Link);

+    RemoveEntryList (&Option->Link);

+

+    gBS->FreePool (Option);

+  }

+

+  //

+  // Free Inconsistent List

+  //

+  while (!IsListEmpty (&Statement->InconsistentListHead)) {

+    Link = GetFirstNode (&Statement->InconsistentListHead);

+    Expression = FORM_EXPRESSION_FROM_LINK (Link);

+    RemoveEntryList (&Expression->Link);

+

+    DestroyExpression (Expression);

+  }

+

+  //

+  // Free NoSubmit List

+  //

+  while (!IsListEmpty (&Statement->NoSubmitListHead)) {

+    Link = GetFirstNode (&Statement->NoSubmitListHead);

+    Expression = FORM_EXPRESSION_FROM_LINK (Link);

+    RemoveEntryList (&Expression->Link);

+

+    DestroyExpression (Expression);

+  }

+

+  if (Statement->VariableName != NULL) {

+    FreePool (Statement->VariableName);

+  }

+  if (Statement->BlockName != NULL) {

+    FreePool (Statement->BlockName);

+  }

+}

+

+

+/**

+  Free resources of a Form.

+

+  @param  Form                   Pointer of the Form.

+

+**/

+VOID

+DestroyForm (

+  IN OUT FORM_BROWSER_FORM  *Form

+  )

+{

+  LIST_ENTRY              *Link;

+  FORM_EXPRESSION         *Expression;

+  FORM_BROWSER_STATEMENT  *Statement;

+

+  //

+  // Free Form Expressions

+  //

+  while (!IsListEmpty (&Form->ExpressionListHead)) {

+    Link = GetFirstNode (&Form->ExpressionListHead);

+    Expression = FORM_EXPRESSION_FROM_LINK (Link);

+    RemoveEntryList (&Expression->Link);

+

+    DestroyExpression (Expression);

+  }

+

+  //

+  // Free Statements/Questions

+  //

+  while (!IsListEmpty (&Form->StatementListHead)) {

+    Link = GetFirstNode (&Form->StatementListHead);

+    Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);

+    RemoveEntryList (&Statement->Link);

+

+    DestroyStatement (Statement);

+  }

+

+  //

+  // Free this Form

+  //

+  gBS->FreePool (Form);

+}

+

+

+/**

+  Free resources allocated for a FormSet.

+

+  @param  FormSet                Pointer of the FormSet

+

+**/

+VOID

+DestroyFormSet (

+  IN OUT FORM_BROWSER_FORMSET  *FormSet

+  )

+{

+  LIST_ENTRY            *Link;

+  FORMSET_STORAGE       *Storage;

+  FORMSET_DEFAULTSTORE  *DefaultStore;

+  FORM_BROWSER_FORM     *Form;

+

+  //

+  // Free IFR binary buffer

+  //

+  FreePool (FormSet->IfrBinaryData);

+

+  //

+  // Free FormSet Storage

+  //

+  if (FormSet->StorageListHead.ForwardLink != NULL) {

+    while (!IsListEmpty (&FormSet->StorageListHead)) {

+      Link = GetFirstNode (&FormSet->StorageListHead);

+      Storage = FORMSET_STORAGE_FROM_LINK (Link);

+      RemoveEntryList (&Storage->Link);

+

+      DestroyStorage (Storage);

+    }

+  }

+

+  //

+  // Free FormSet Default Store

+  //

+  if (FormSet->DefaultStoreListHead.ForwardLink != NULL) {

+    while (!IsListEmpty (&FormSet->DefaultStoreListHead)) {

+      Link = GetFirstNode (&FormSet->DefaultStoreListHead);

+      DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link);

+      RemoveEntryList (&DefaultStore->Link);

+

+      gBS->FreePool (DefaultStore);

+    }

+  }

+

+  //

+  // Free Forms

+  //

+  if (FormSet->FormListHead.ForwardLink != NULL) {

+    while (!IsListEmpty (&FormSet->FormListHead)) {

+      Link = GetFirstNode (&FormSet->FormListHead);

+      Form = FORM_BROWSER_FORM_FROM_LINK (Link);

+      RemoveEntryList (&Form->Link);

+

+      DestroyForm (Form);

+    }

+  }

+

+  if (FormSet->StatementBuffer != NULL) {

+    FreePool (FormSet->StatementBuffer);

+  }

+  if (FormSet->ExpressionBuffer != NULL) {

+    FreePool (FormSet->ExpressionBuffer);

+  }

+

+  FreePool (FormSet);

+}

+

+

+/**

+  Tell whether this Operand is an Expression OpCode or not

+

+  @param  Operand                Operand of an IFR OpCode.

+

+  @retval TRUE                   This is an Expression OpCode.

+  @retval FALSE                  Not an Expression OpCode.

+

+**/

+BOOLEAN

+IsExpressionOpCode (

+  IN UINT8              Operand

+  )

+{

+  if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||

+      ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||

+      (Operand == EFI_IFR_CATENATE_OP) ||

+      (Operand == EFI_IFR_TO_LOWER_OP) ||

+      (Operand == EFI_IFR_TO_UPPER_OP) ||

+      (Operand == EFI_IFR_VERSION_OP)

+     ) {

+    return TRUE;

+  } else {

+    return FALSE;

+  }

+}

+

+

+/**

+  Calculate number of Statemens(Questions) and Expression OpCodes.

+

+  @param  FormSet                The FormSet to be counted.

+  @param  NumberOfStatement      Number of Statemens(Questions)

+  @param  NumberOfExpression     Number of Expression OpCodes

+

+**/

+VOID

+CountOpCodes (

+  IN  FORM_BROWSER_FORMSET  *FormSet,

+  IN OUT  UINT16            *NumberOfStatement,

+  IN OUT  UINT16            *NumberOfExpression

+  )

+{

+  UINT16  StatementCount;

+  UINT16  ExpressionCount;

+  UINT8   *OpCodeData;

+  UINTN   Offset;

+  UINTN   OpCodeLen;

+

+  Offset = 0;

+  StatementCount = 0;

+  ExpressionCount = 0;

+

+  while (Offset < FormSet->IfrBinaryLength) {

+    OpCodeData = FormSet->IfrBinaryData + Offset;

+    OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;

+    Offset += OpCodeLen;

+

+    if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) {

+      ExpressionCount++;

+    } else {

+      StatementCount++;

+    }

+  }

+

+  *NumberOfStatement = StatementCount;

+  *NumberOfExpression = ExpressionCount;

+}

+

+

+

+/**

+  Parse opcodes in the formset IFR binary.

+

+  @param  FormSet                Pointer of the FormSet data structure.

+

+  @retval EFI_SUCCESS            Opcode parse success.

+  @retval Other                  Opcode parse fail.

+

+**/

+EFI_STATUS

+ParseOpCodes (

+  IN FORM_BROWSER_FORMSET              *FormSet

+  )

+{

+  EFI_STATUS              Status;

+  UINT16                  Index;

+  FORM_BROWSER_FORM       *CurrentForm;

+  FORM_BROWSER_STATEMENT  *CurrentStatement;

+  EXPRESSION_OPCODE       *ExpressionOpCode;

+  FORM_EXPRESSION         *CurrentExpression;

+  UINT8                   Operand;

+  UINT8                   Scope;

+  UINTN                   OpCodeOffset;

+  UINTN                   OpCodeLength;

+  UINT8                   *OpCodeData;

+  UINT8                   ScopeOpCode;

+  FORMSET_STORAGE         *Storage;

+  FORMSET_DEFAULTSTORE    *DefaultStore;

+  QUESTION_DEFAULT        *CurrentDefault;

+  QUESTION_OPTION         *CurrentOption;

+  CHAR8                   *AsciiString;

+  UINT16                  NumberOfStatement;

+  UINT16                  NumberOfExpression;

+  EFI_IMAGE_ID            *ImageId;

+  BOOLEAN                 SuppressForOption;

+  BOOLEAN                 InScopeOptionSuppress;

+  FORM_EXPRESSION         *OptionSuppressExpression;

+  BOOLEAN                 InScopeDisable;

+  UINT16                  DepthOfDisable;

+  BOOLEAN                 OpCodeDisabled;

+  BOOLEAN                 SingleOpCodeExpression;

+  BOOLEAN                 InScopeDefault;

+  EFI_HII_VALUE           *Value;

+

+  mInScopeSubtitle         = FALSE;

+  SuppressForOption        = FALSE;

+  mInScopeSuppress         = FALSE;

+  InScopeOptionSuppress    = FALSE;

+  mInScopeGrayOut          = FALSE;

+  InScopeDisable           = FALSE;

+  DepthOfDisable           = 0;

+  OpCodeDisabled           = FALSE;

+  SingleOpCodeExpression   = FALSE;

+  InScopeDefault           = FALSE;

+  CurrentExpression        = NULL;

+  CurrentDefault           = NULL;

+  CurrentOption            = NULL;

+  OptionSuppressExpression = NULL;

+

+  //

+  // Get the number of Statements and Expressions

+  //

+  CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);

+

+  mStatementIndex = 0;

+  FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT));

+  if (FormSet->StatementBuffer == NULL) {

+    return EFI_OUT_OF_RESOURCES;

+  }

+

+  mExpressionOpCodeIndex = 0;

+  FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE));

+  if (FormSet->ExpressionBuffer == NULL) {

+    return EFI_OUT_OF_RESOURCES;

+  }

+

+  InitializeListHead (&FormSet->StorageListHead);

+  InitializeListHead (&FormSet->DefaultStoreListHead);

+  InitializeListHead (&FormSet->FormListHead);

+

+  CurrentForm = NULL;

+  CurrentStatement = NULL;

+

+  ResetScopeStack ();

+

+  OpCodeOffset = 0;

+  while (OpCodeOffset < FormSet->IfrBinaryLength) {

+    OpCodeData = FormSet->IfrBinaryData + OpCodeOffset;

+

+    OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;

+    OpCodeOffset += OpCodeLength;

+    Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;

+    Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope;

+

+    //

+    // If scope bit set, push onto scope stack

+    //

+    if (Scope != 0) {

+      PushScope (Operand);

+    }

+

+    if (OpCodeDisabled) {

+      //

+      // DisableIf Expression is evaluated to be TRUE, try to find its end.

+      // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END

+      //

+      if (Operand == EFI_IFR_DISABLE_IF_OP) {

+        DepthOfDisable++;

+      } else if (Operand == EFI_IFR_END_OP) {

+        Status = PopScope (&ScopeOpCode);

+        if (EFI_ERROR (Status)) {

+          return Status;

+        }

+

+        if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) {

+          if (DepthOfDisable == 0) {

+            InScopeDisable = FALSE;

+            OpCodeDisabled = FALSE;

+          } else {

+            DepthOfDisable--;

+          }

+        }

+      }

+      continue;

+    }

+

+    if (IsExpressionOpCode (Operand)) {

+      ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex];

+      mExpressionOpCodeIndex++;

+

+      ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE;

+      ExpressionOpCode->Operand = Operand;

+      Value = &ExpressionOpCode->Value;

+

+      switch (Operand) {

+      case EFI_IFR_EQ_ID_VAL_OP:

+        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));

+

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;

+        CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16));

+        break;

+

+      case EFI_IFR_EQ_ID_ID_OP:

+        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID));

+        CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID));

+        break;

+

+      case EFI_IFR_EQ_ID_LIST_OP:

+        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));

+        CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16));

+        ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList);

+        break;

+

+      case EFI_IFR_TO_STRING_OP:

+      case EFI_IFR_FIND_OP:

+        ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format;

+        break;

+

+      case EFI_IFR_STRING_REF1_OP:

+        Value->Type = EFI_IFR_TYPE_STRING;

+        CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID));

+        break;

+

+      case EFI_IFR_RULE_REF_OP:

+        ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId;

+        break;

+

+      case EFI_IFR_SPAN_OP:

+        ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags;

+        break;

+

+      case EFI_IFR_THIS_OP:

+        ExpressionOpCode->QuestionId = CurrentStatement->QuestionId;

+        break;

+

+      case EFI_IFR_QUESTION_REF1_OP:

+        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));

+        break;

+

+      case EFI_IFR_QUESTION_REF3_OP:

+        if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) {

+          CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));

+

+          if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) {

+            CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID));

+          }

+        }

+        break;

+

+      //

+      // constant

+      //

+      case EFI_IFR_TRUE_OP:

+        Value->Type = EFI_IFR_TYPE_BOOLEAN;

+        Value->Value.b = TRUE;

+        break;

+

+      case EFI_IFR_FALSE_OP:

+        Value->Type = EFI_IFR_TYPE_BOOLEAN;

+        Value->Value.b = FALSE;

+        break;

+

+      case EFI_IFR_ONE_OP:

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;

+        Value->Value.u8 = 1;

+        break;

+

+      case EFI_IFR_ZERO_OP:

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;

+        Value->Value.u8 = 0;

+        break;

+

+      case EFI_IFR_ONES_OP:

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;

+        Value->Value.u64 = 0xffffffffffffffffULL;

+        break;

+

+      case EFI_IFR_UINT8_OP:

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;

+        Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value;

+        break;

+

+      case EFI_IFR_UINT16_OP:

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;

+        CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16));

+        break;

+

+      case EFI_IFR_UINT32_OP:

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;

+        CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32));

+        break;

+

+      case EFI_IFR_UINT64_OP:

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;

+        CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64));

+        break;

+

+      case EFI_IFR_UNDEFINED_OP:

+        Value->Type = EFI_IFR_TYPE_OTHER;

+        break;

+

+      case EFI_IFR_VERSION_OP:

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;

+        Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION;

+        break;

+

+      default:

+        break;

+      }

+

+      InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);

+

+      if (SingleOpCodeExpression) {

+        //

+        // There are two cases to indicate the end of an Expression:

+        // for single OpCode expression: one Expression OpCode

+        // for expression consists of more than one OpCode: EFI_IFR_END

+        //

+        SingleOpCodeExpression = FALSE;

+

+        if (InScopeDisable) {

+          //

+          // Evaluate DisableIf expression

+          //

+          Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);

+          if (EFI_ERROR (Status)) {

+            return Status;

+          }

+          if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {

+            return EFI_INVALID_PARAMETER;

+          }

+

+          OpCodeDisabled = CurrentExpression->Result.Value.b;

+        }

+

+        CurrentExpression = NULL;

+      }

+

+      continue;

+    }

+

+    //

+    // Parse the Opcode

+    //

+    switch (Operand) {

+

+    case EFI_IFR_FORM_SET_OP:

+      //

+      // check the formset GUID

+      //

+      if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) {

+        return EFI_INVALID_PARAMETER;

+      }

+

+      CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));

+      CopyMem (&FormSet->Help,         &((EFI_IFR_FORM_SET *) OpCodeData)->Help,         sizeof (EFI_STRING_ID));

+      break;

+

+    case EFI_IFR_FORM_OP:

+      //

+      // Create a new Form for this FormSet

+      //

+      CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));

+      CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;

+      InitializeListHead (&CurrentForm->ExpressionListHead);

+      InitializeListHead (&CurrentForm->StatementListHead);

+

+      CopyMem (&CurrentForm->FormId,    &((EFI_IFR_FORM *) OpCodeData)->FormId,    sizeof (UINT16));

+      CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));

+

+      //

+      // Insert into Form list of this FormSet

+      //

+      InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);

+      break;

+

+    //

+    // Storage

+    //

+    case EFI_IFR_VARSTORE_OP:

+      //

+      // Create a buffer Storage for this FormSet

+      //

+      Storage = CreateStorage (FormSet);

+      Storage->Type = EFI_HII_VARSTORE_BUFFER;

+

+      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));

+      CopyMem (&Storage->Guid,       &((EFI_IFR_VARSTORE *) OpCodeData)->Guid,       sizeof (EFI_GUID));

+      CopyMem (&Storage->Size,       &((EFI_IFR_VARSTORE *) OpCodeData)->Size,       sizeof (UINT16));

+

+      Storage->Buffer = AllocateZeroPool (Storage->Size);

+      Storage->EditBuffer = AllocateZeroPool (Storage->Size);

+

+      AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;

+      Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2);

+      ASSERT (Storage->Name != NULL);

+      for (Index = 0; AsciiString[Index] != 0; Index++) {

+        Storage->Name[Index] = (CHAR16) AsciiString[Index];

+      }

+

+      //

+      // Initialize <ConfigHdr>

+      //

+      InitializeConfigHdr (FormSet, Storage);

+      break;

+

+    case EFI_IFR_VARSTORE_NAME_VALUE_OP:

+      //

+      // Create a name/value Storage for this FormSet

+      //

+      Storage = CreateStorage (FormSet);

+      Storage->Type = EFI_HII_VARSTORE_NAME_VALUE;

+

+      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));

+      CopyMem (&Storage->Guid,       &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid,       sizeof (EFI_GUID));

+

+      //

+      // Initialize <ConfigHdr>

+      //

+      InitializeConfigHdr (FormSet, Storage);

+      break;

+

+    case EFI_IFR_VARSTORE_EFI_OP:

+      //

+      // Create a EFI variable Storage for this FormSet

+      //

+      Storage = CreateStorage (FormSet);

+      Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE;

+

+      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));

+      CopyMem (&Storage->Guid,       &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid,       sizeof (EFI_GUID));

+      CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));

+      break;

+

+    //

+    // DefaultStore

+    //

+    case EFI_IFR_DEFAULTSTORE_OP:

+      DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE));

+      DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE;

+

+      CopyMem (&DefaultStore->DefaultId,   &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId,   sizeof (UINT16));

+      CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID));

+

+      //

+      // Insert to DefaultStore list of this Formset

+      //

+      InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link);

+      break;

+

+    //

+    // Statements

+    //

+    case EFI_IFR_SUBTITLE_OP:

+      CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);

+      CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;

+

+      if (Scope != 0) {

+        mInScopeSubtitle = TRUE;

+      }

+      break;

+

+    case EFI_IFR_TEXT_OP:

+      CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);

+

+      CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));

+      break;

+

+    //

+    // Questions

+    //

+    case EFI_IFR_ACTION_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) {

+        //

+        // No QuestionConfig present, so no configuration string will be processed

+        //

+        CurrentStatement->QuestionConfig = 0;

+      } else {

+        CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID));

+      }

+      break;

+

+    case EFI_IFR_RESET_BUTTON_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));

+      break;

+

+    case EFI_IFR_REF_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID));

+      if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {

+        CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));

+

+        if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {

+          CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID));

+

+          if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {

+            CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));

+          }

+        }

+      }

+      break;

+

+    case EFI_IFR_ONE_OF_OP:

+    case EFI_IFR_NUMERIC_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags;

+      Value = &CurrentStatement->HiiValue;

+

+      switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) {

+      case EFI_IFR_NUMERIC_SIZE_1:

+        CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue;

+        CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue;

+        CurrentStatement->Step    = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step;

+        CurrentStatement->StorageWidth = sizeof (UINT8);

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;

+        break;

+

+      case EFI_IFR_NUMERIC_SIZE_2:

+        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16));

+        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16));

+        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step,     sizeof (UINT16));

+        CurrentStatement->StorageWidth = sizeof (UINT16);

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;

+        break;

+

+      case EFI_IFR_NUMERIC_SIZE_4:

+        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32));

+        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32));

+        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step,     sizeof (UINT32));

+        CurrentStatement->StorageWidth = sizeof (UINT32);

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;

+        break;

+

+      case EFI_IFR_NUMERIC_SIZE_8:

+        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64));

+        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64));

+        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step,     sizeof (UINT64));

+        CurrentStatement->StorageWidth = sizeof (UINT64);

+        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;

+        break;

+

+      default:

+        break;

+      }

+

+      InitializeRequestElement (FormSet, CurrentStatement);

+

+      if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) {

+        SuppressForOption = TRUE;

+      }

+      break;

+

+    case EFI_IFR_ORDERED_LIST_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;

+      CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;

+      CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8));

+      InitializeRequestElement (FormSet, CurrentStatement);

+

+      //

+      // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver

+      // has to use FormBrowser2.Callback() to retrieve the uncommited data for

+      // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set).

+      //

+      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER;

+      CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);

+

+      if (Scope != 0) {

+        SuppressForOption = TRUE;

+      }

+      break;

+

+    case EFI_IFR_CHECKBOX_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;

+      CurrentStatement->StorageWidth = sizeof (BOOLEAN);

+      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;

+

+      InitializeRequestElement (FormSet, CurrentStatement);

+

+      break;

+

+    case EFI_IFR_STRING_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      //

+      // MinSize is the minimum number of characters that can be accepted for this opcode,

+      // MaxSize is the maximum number of characters that can be accepted for this opcode.

+      // The characters are stored as Unicode, so the storage width should multiply 2.

+      //

+      CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize;

+      CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize;

+      CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));

+      CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags;

+

+      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;

+      CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16));

+

+      InitializeRequestElement (FormSet, CurrentStatement);

+      break;

+

+    case EFI_IFR_PASSWORD_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      //

+      // MinSize is the minimum number of characters that can be accepted for this opcode,

+      // MaxSize is the maximum number of characters that can be accepted for this opcode.

+      // The characters are stored as Unicode, so the storage width should multiply 2.

+      //

+      CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16));

+      CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16));

+      CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));

+

+      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;

+      CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16)));

+

+      InitializeRequestElement (FormSet, CurrentStatement);

+      break;

+

+    case EFI_IFR_DATE_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags;

+      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE;

+

+      if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) {

+        CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE);

+

+        InitializeRequestElement (FormSet, CurrentStatement);

+      } else {

+        //

+        // Don't assign storage for RTC type of date/time

+        //

+        CurrentStatement->Storage = NULL;

+        CurrentStatement->StorageWidth = 0;

+      }

+      break;

+

+    case EFI_IFR_TIME_OP:

+      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

+

+      CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags;

+      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME;

+

+      if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) {

+        CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME);

+

+        InitializeRequestElement (FormSet, CurrentStatement);

+      } else {

+        //

+        // Don't assign storage for RTC type of date/time

+        //

+        CurrentStatement->Storage = NULL;

+        CurrentStatement->StorageWidth = 0;

+      }

+      break;

+

+    //

+    // Default

+    //

+    case EFI_IFR_DEFAULT_OP:

+      //

+      // EFI_IFR_DEFAULT appear in scope of a Question,

+      // It creates a default value for the current question.

+      // A Question may have more than one Default value which have different default types.

+      //

+      CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));

+      CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;

+

+      CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type;

+      CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16));

+      CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));

+      ExtendValueToU64 (&CurrentDefault->Value);

+

+      //

+      // Insert to Default Value list of current Question

+      //

+      InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link);

+

+      if (Scope != 0) {

+        InScopeDefault = TRUE;

+      }

+      break;

+

+    //

+    // Option

+    //

+    case EFI_IFR_ONE_OF_OPTION_OP:

+      //

+      // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.

+      // It create a selection for use in current Question.

+      //

+      CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION));

+      CurrentOption->Signature = QUESTION_OPTION_SIGNATURE;

+

+      CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags;

+      CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type;

+      CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID));

+      CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));

+      ExtendValueToU64 (&CurrentOption->Value);

+

+      if (InScopeOptionSuppress) {

+        CurrentOption->SuppressExpression = OptionSuppressExpression;

+      }

+

+      //

+      // Insert to Option list of current Question

+      //

+      InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link);

+      break;

+

+    //

+    // Conditional

+    //

+    case EFI_IFR_NO_SUBMIT_IF_OP:

+    case EFI_IFR_INCONSISTENT_IF_OP:

+      //

+      // Create an Expression node

+      //

+      CurrentExpression = CreateExpression (CurrentForm);

+      CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID));

+

+      if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) {

+        CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF;

+        InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link);

+      } else {

+        CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF;

+        InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link);

+      }

+      break;

+

+    case EFI_IFR_SUPPRESS_IF_OP:

+      //

+      // Question and Option will appear in scope of this OpCode

+      //

+      CurrentExpression = CreateExpression (CurrentForm);

+      CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF;

+      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);

+

+      if (SuppressForOption) {

+        InScopeOptionSuppress = TRUE;

+        OptionSuppressExpression = CurrentExpression;

+      } else {

+        mInScopeSuppress = TRUE;

+        mSuppressExpression = CurrentExpression;

+      }

+      break;

+

+    case EFI_IFR_GRAY_OUT_IF_OP:

+      //

+      // Questions will appear in scope of this OpCode

+      //

+      CurrentExpression = CreateExpression (CurrentForm);

+      CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF;

+      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);

+

+      mInScopeGrayOut = TRUE;

+      mGrayOutExpression = CurrentExpression;

+      break;

+

+    case EFI_IFR_DISABLE_IF_OP:

+      //

+      // The DisableIf expression should only rely on constant, so it could be

+      // evaluated at initialization and it will not be queued

+      //

+      CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION));

+      CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE;

+      CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF;

+      InitializeListHead (&CurrentExpression->OpCodeListHead);

+

+      InScopeDisable = TRUE;

+      OpCodeDisabled = FALSE;

+

+      //

+      // Take a look at next OpCode to see whether current expression consists

+      // of single OpCode

+      //

+      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {

+        SingleOpCodeExpression = TRUE;

+      }

+      break;

+

+    //

+    // Expression

+    //

+    case EFI_IFR_VALUE_OP:

+      CurrentExpression = CreateExpression (CurrentForm);

+      CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE;

+      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);

+

+      if (InScopeDefault) {

+        //

+        // Used for default (EFI_IFR_DEFAULT)

+        //

+        CurrentDefault->ValueExpression = CurrentExpression;

+      } else {

+        //

+        // If used for a question, then the question will be read-only

+        //

+        CurrentStatement->ValueExpression = CurrentExpression;

+      }

+      break;

+

+    case EFI_IFR_RULE_OP:

+      CurrentExpression = CreateExpression (CurrentForm);

+      CurrentExpression->Type = EFI_HII_EXPRESSION_RULE;

+

+      CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId;

+      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);

+      break;

+

+    //

+    // Image

+    //

+    case EFI_IFR_IMAGE_OP:

+      //

+      // Get ScopeOpcode from top of stack

+      //

+      PopScope (&ScopeOpCode);

+      PushScope (ScopeOpCode);

+

+      switch (ScopeOpCode) {

+      case EFI_IFR_FORM_SET_OP:

+        ImageId = &FormSet->ImageId;

+        break;

+

+      case EFI_IFR_FORM_OP:

+        ImageId = &CurrentForm->ImageId;

+        break;

+

+      case EFI_IFR_ONE_OF_OPTION_OP:

+        ImageId = &CurrentOption->ImageId;

+        break;

+

+      default:

+        ImageId = &CurrentStatement->ImageId;

+        break;

+      }

+

+      CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID));

+      break;

+

+    //

+    // Refresh

+    //

+    case EFI_IFR_REFRESH_OP:

+      CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval;

+      break;

+

+    //

+    // Vendor specific

+    //

+    case EFI_IFR_GUID_OP:

+      if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {

+        //

+        // Tiano specific GUIDed opcodes

+        //

+        switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) {

+        case EFI_IFR_EXTEND_OP_LABEL:

+          //

+          // just ignore label

+          //

+          break;

+

+        case EFI_IFR_EXTEND_OP_BANNER:

+          if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) {

+            CopyMem (

+              &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][

+              ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment],

+              &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title,

+              sizeof (EFI_STRING_ID)

+              );

+          }

+          break;

+

+        case EFI_IFR_EXTEND_OP_CLASS:

+          CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));

+          break;

+

+        case EFI_IFR_EXTEND_OP_SUBCLASS:

+          CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16));

+          break;

+

+        default:

+          break;

+        }

+      }

+

+      break;

+

+    //

+    // Scope End

+    //

+    case EFI_IFR_END_OP:

+      Status = PopScope (&ScopeOpCode);

+      if (EFI_ERROR (Status)) {

+        ResetScopeStack ();

+        return Status;

+      }

+

+      switch (ScopeOpCode) {

+      case EFI_IFR_FORM_SET_OP:

+        //

+        // End of FormSet, update FormSet IFR binary length

+        // to stop parsing substantial OpCodes

+        //

+        FormSet->IfrBinaryLength = OpCodeOffset;

+        break;

+

+      case EFI_IFR_FORM_OP:

+        //

+        // End of Form

+        //

+        CurrentForm = NULL;

+        break;

+

+      case EFI_IFR_ONE_OF_OPTION_OP:

+        //

+        // End of Option

+        //

+        CurrentOption = NULL;

+        break;

+

+      case EFI_IFR_SUBTITLE_OP:

+        mInScopeSubtitle = FALSE;

+        break;

+

+      case EFI_IFR_NO_SUBMIT_IF_OP:

+      case EFI_IFR_INCONSISTENT_IF_OP:

+        //

+        // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF

+        //

+        break;

+

+      case EFI_IFR_SUPPRESS_IF_OP:

+        if (SuppressForOption) {

+          InScopeOptionSuppress = FALSE;

+        } else {

+          mInScopeSuppress = FALSE;

+        }

+        break;

+

+      case EFI_IFR_GRAY_OUT_IF_OP:

+        mInScopeGrayOut = FALSE;

+        break;

+

+      case EFI_IFR_DISABLE_IF_OP:

+        InScopeDisable = FALSE;

+        OpCodeDisabled = FALSE;

+        break;

+

+      case EFI_IFR_ONE_OF_OP:

+      case EFI_IFR_ORDERED_LIST_OP:

+        SuppressForOption = FALSE;

+        break;

+

+      case EFI_IFR_DEFAULT_OP:

+        InScopeDefault = FALSE;

+        break;

+

+      default:

+        if (IsExpressionOpCode (ScopeOpCode)) {

+          if (InScopeDisable) {

+            //

+            // Evaluate DisableIf expression

+            //

+            Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);

+            if (EFI_ERROR (Status)) {

+              return Status;

+            }

+            if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {

+              return EFI_INVALID_PARAMETER;

+            }

+

+            OpCodeDisabled = CurrentExpression->Result.Value.b;

+            //

+            // DisableIf Expression is only used once and not quequed, free it

+            //

+            DestroyExpression (CurrentExpression);

+          }

+

+          //

+          // End of current Expression

+          //

+          CurrentExpression = NULL;

+        }

+        break;

+      }

+      break;

+

+    default:

+      break;

+    }

+  }

+

+  return EFI_SUCCESS;

+}

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Print.h b/MdeModulePkg/Universal/SetupBrowserDxe/Print.h
index b75e0ffbc5..ff41aa68a2 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Print.h
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Print.h
@@ -1,30 +1,30 @@
-/** @file
-Micro definitions data for Print.c
-
-Copyright (c) 2004, Intel Corporation
-All rights reserved. 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 _PRINT_H_
-#define _PRINT_H_
-
-#define LEFT_JUSTIFY  0x01
-#define PREFIX_SIGN   0x02
-#define PREFIX_BLANK  0x04
-#define COMMA_TYPE    0x08
-#define LONG_TYPE     0x10
-#define PREFIX_ZERO   0x20
-
-//
-// Largest number of characters that can be printed out.
-//
-#define EFI_DRIVER_LIB_MAX_PRINT_BUFFER (80 * 4)
-
-#endif
+/** @file

+Micro definitions data for Print.c

+

+Copyright (c) 2004, Intel Corporation

+All rights reserved. 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 _PRINT_H_

+#define _PRINT_H_

+

+#define LEFT_JUSTIFY  0x01

+#define PREFIX_SIGN   0x02

+#define PREFIX_BLANK  0x04

+#define COMMA_TYPE    0x08

+#define LONG_TYPE     0x10

+#define PREFIX_ZERO   0x20

+

+//

+// Largest number of characters that can be printed out.

+//

+#define EFI_DRIVER_LIB_MAX_PRINT_BUFFER (80 * 4)

+

+#endif

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/ProcessOptions.c b/MdeModulePkg/Universal/SetupBrowserDxe/ProcessOptions.c
index 9329159b6a..eaa832a998 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/ProcessOptions.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/ProcessOptions.c
@@ -1,971 +1,971 @@
-/** @file
-Implementation for handling the User Interface option processing.
-
-
-Copyright (c) 2004 - 2007, Intel Corporation
-All rights reserved. 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 "Ui.h"
-#include "Setup.h"
-
-
-/**
-  Process Question Config.
-
-  @param  Selection              The UI menu selection.
-  @param  Question               The Question to be peocessed.
-
-  @retval EFI_SUCCESS            Question Config process success.
-  @retval Other                  Question Config process fail.
-
-**/
-EFI_STATUS
-ProcessQuestionConfig (
-  IN  UI_MENU_SELECTION       *Selection,
-  IN  FORM_BROWSER_STATEMENT  *Question
-  )
-{
-  EFI_STATUS                      Status;
-  CHAR16                          *ConfigResp;
-  CHAR16                          *Progress;
-  EFI_HII_CONFIG_ACCESS_PROTOCOL  *ConfigAccess;
-
-  if (Question->QuestionConfig == 0) {
-    return EFI_SUCCESS;
-  }
-
-  //
-  // Get <ConfigResp>
-  //
-  ConfigResp = GetToken (Question->QuestionConfig, Selection->FormSet->HiiHandle);
-  if (ConfigResp == NULL) {
-    return EFI_NOT_FOUND;
-  }
-
-  //
-  // Send config to Configuration Driver
-  //
-  ConfigAccess = Selection->FormSet->ConfigAccess;
-  if (ConfigAccess == NULL) {
-    return EFI_UNSUPPORTED;
-  }
-  Status = ConfigAccess->RouteConfig (
-                           ConfigAccess,
-                           ConfigResp,
-                           &Progress
-                           );
-
-  return Status;
-}
-
-
-/**
-  Search an Option of a Question by its value.
-
-  @param  Question               The Question
-  @param  OptionValue            Value for Option to be searched.
-
-  @retval Pointer                Pointer to the found Option.
-  @retval NULL                   Option not found.
-
-**/
-QUESTION_OPTION *
-ValueToOption (
-  IN FORM_BROWSER_STATEMENT   *Question,
-  IN EFI_HII_VALUE            *OptionValue
-  )
-{
-  LIST_ENTRY       *Link;
-  QUESTION_OPTION  *Option;
-
-  Link = GetFirstNode (&Question->OptionListHead);
-  while (!IsNull (&Question->OptionListHead, Link)) {
-    Option = QUESTION_OPTION_FROM_LINK (Link);
-
-    if (CompareHiiValue (&Option->Value, OptionValue, NULL) == 0) {
-      return Option;
-    }
-
-    Link = GetNextNode (&Question->OptionListHead, Link);
-  }
-
-  return NULL;
-}
-
-
-/**
-  Print Question Value according to it's storage width and display attributes.
-
-  @param  Question               The Question to be printed.
-  @param  FormattedNumber        Buffer for output string.
-  @param  BufferSize             The FormattedNumber buffer size in bytes.
-
-  @retval EFI_SUCCESS            Print success.
-  @retval EFI_BUFFER_TOO_SMALL   Buffer size is not enough for formatted number.
-
-**/
-EFI_STATUS
-PrintFormattedNumber (
-  IN FORM_BROWSER_STATEMENT   *Question,
-  IN OUT CHAR16               *FormattedNumber,
-  IN UINTN                    BufferSize
-  )
-{
-  INT64          Value;
-  CHAR16         *Format;
-  EFI_HII_VALUE  *QuestionValue;
-
-  if (BufferSize < (21 * sizeof (CHAR16))) {
-    return EFI_BUFFER_TOO_SMALL;
-  }
-
-  QuestionValue = &Question->HiiValue;
-
-  Value = (INT64) QuestionValue->Value.u64;
-  switch (Question->Flags & EFI_IFR_DISPLAY) {
-  case EFI_IFR_DISPLAY_INT_DEC:
-    switch (QuestionValue->Type) {
-    case EFI_IFR_NUMERIC_SIZE_1:
-      Value = (INT64) ((INT8) QuestionValue->Value.u8);
-      break;
-
-    case EFI_IFR_NUMERIC_SIZE_2:
-      Value = (INT64) ((INT16) QuestionValue->Value.u16);
-      break;
-
-    case EFI_IFR_NUMERIC_SIZE_4:
-      Value = (INT64) ((INT32) QuestionValue->Value.u32);
-      break;
-
-    case EFI_IFR_NUMERIC_SIZE_8:
-    default:
-      break;
-    }
-
-    if (Value < 0) {
-      Value = -Value;
-      Format = L"-%ld";
-    } else {
-      Format = L"%ld";
-    }
-    break;
-
-  case EFI_IFR_DISPLAY_UINT_DEC:
-    Format = L"%ld";
-    break;
-
-  case EFI_IFR_DISPLAY_UINT_HEX:
-    Format = L"%lx";
-    break;
-
-  default:
-    return EFI_UNSUPPORTED;
-    break;
-  }
-
-  UnicodeSPrint (FormattedNumber, BufferSize, Format, Value);
-
-  return EFI_SUCCESS;
-}
-
-
-/**
-  Password may be stored as encrypted by Configuration Driver. When change a
-  password, user will be challenged with old password. To validate user input old
-  password, we will send the clear text to Configuration Driver via Callback().
-  Configuration driver is responsible to check the passed in password and return
-  the validation result. If validation pass, state machine in password Callback()
-  will transit from BROWSER_STATE_VALIDATE_PASSWORD to BROWSER_STATE_SET_PASSWORD.
-  After user type in new password twice, Callback() will be invoked to send the
-  new password to Configuration Driver.
-
-  @param  Selection              Pointer to UI_MENU_SELECTION.
-  @param  MenuOption             The MenuOption for this password Question.
-  @param  String                 The clear text of password.
-
-  @retval EFI_NOT_AVAILABLE_YET  Callback() request to terminate password input.
-  @return In state of BROWSER_STATE_VALIDATE_PASSWORD:
-  @retval EFI_SUCCESS            Password correct, Browser will prompt for new
-                                 password.
-  @retval EFI_NOT_READY          Password incorrect, Browser will show error
-                                 message.
-  @retval Other                  Browser will do nothing.
-  @return In state of BROWSER_STATE_SET_PASSWORD:
-  @retval EFI_SUCCESS            Set password success.
-  @retval Other                  Set password failed.
-
-**/
-EFI_STATUS
-PasswordCallback (
-  IN  UI_MENU_SELECTION           *Selection,
-  IN  UI_MENU_OPTION              *MenuOption,
-  IN  CHAR16                      *String
-  )
-{
-  EFI_STATUS                      Status;
-  EFI_HII_CONFIG_ACCESS_PROTOCOL  *ConfigAccess;
-  EFI_BROWSER_ACTION_REQUEST      ActionRequest;
-  EFI_HII_VALUE                   *QuestionValue;
-
-  QuestionValue = &MenuOption->ThisTag->HiiValue;
-  ConfigAccess = Selection->FormSet->ConfigAccess;
-  if (ConfigAccess == NULL) {
-    return EFI_UNSUPPORTED;
-  }
-
-  //
-  // Prepare password string in HII database
-  //
-  if (String != NULL) {
-    QuestionValue->Value.string = NewString (String, Selection->FormSet->HiiHandle);
-  } else {
-    QuestionValue->Value.string = 0;
-  }
-
-  //
-  // Send password to Configuration Driver for validation
-  //
-  Status = ConfigAccess->Callback (
-                           ConfigAccess,
-                           EFI_BROWSER_ACTION_CHANGING,
-                           MenuOption->ThisTag->QuestionId,
-                           QuestionValue->Type,
-                           &QuestionValue->Value,
-                           &ActionRequest
-                           );
-
-  //
-  // Remove password string from HII database
-  //
-  if (String != NULL) {
-    DeleteString (QuestionValue->Value.string, Selection->FormSet->HiiHandle);
-  }
-
-  return Status;
-}
-
-
-/**
-  Display error message for invalid password.
-
-**/
-VOID
-PasswordInvalid (
-  VOID
-  )
-{
-  EFI_INPUT_KEY  Key;
-
-  //
-  // Invalid password, prompt error message
-  //
-  do {
-    CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gPassowordInvalid, gPressEnter, gEmptyString);
-  } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
-}
-
-
-/**
-  Process a Question's Option (whether selected or un-selected).
-
-  @param  Selection              Pointer to UI_MENU_SELECTION.
-  @param  MenuOption             The MenuOption for this Question.
-  @param  Selected               TRUE: if Question is selected.
-  @param  OptionString           Pointer of the Option String to be displayed.
-
-  @retval EFI_SUCCESS            Question Option process success.
-  @retval Other                  Question Option process fail.
-
-**/
-EFI_STATUS
-ProcessOptions (
-  IN  UI_MENU_SELECTION           *Selection,
-  IN  UI_MENU_OPTION              *MenuOption,
-  IN  BOOLEAN                     Selected,
-  OUT CHAR16                      **OptionString
-  )
-{
-  EFI_STATUS                      Status;
-  CHAR16                          *StringPtr;
-  CHAR16                          *TempString;
-  UINTN                           Index;
-  FORM_BROWSER_STATEMENT          *Question;
-  CHAR16                          FormattedNumber[21];
-  UINT16                          Number;
-  CHAR16                          Character[2];
-  EFI_INPUT_KEY                   Key;
-  UINTN                           BufferSize;
-  QUESTION_OPTION                 *OneOfOption;
-  LIST_ENTRY                      *Link;
-  EFI_HII_VALUE                   HiiValue;
-  EFI_HII_VALUE                   *QuestionValue;
-  BOOLEAN                         Suppress;
-  UINT16                          Maximum;
-
-  Status        = EFI_SUCCESS;
-
-  StringPtr     = NULL;
-  Character[1]  = L'\0';
-  *OptionString = NULL;
-
-  ZeroMem (FormattedNumber, 21 * sizeof (CHAR16));
-  BufferSize = (gOptionBlockWidth + 1) * 2 * gScreenDimensions.BottomRow;
-
-  Question = MenuOption->ThisTag;
-  QuestionValue = &Question->HiiValue;
-  Maximum = (UINT16) Question->Maximum;
-
-  switch (Question->Operand) {
-  case EFI_IFR_ORDERED_LIST_OP:
-    //
-    // Initialize Option value array
-    //
-
-    if (Question->BufferValue[0] == 0) {
-      GetQuestionDefault (Selection->FormSet, Selection->Form, Question, 0);
-    }
-
-    if (Selected) {
-      //
-      // Go ask for input
-      //
-      Status = GetSelectionInputPopUp (Selection, MenuOption);
-    } else {
-      //
-      // We now know how many strings we will have, so we can allocate the
-      // space required for the array or strings.
-      //
-      *OptionString = AllocateZeroPool (Question->MaxContainers * BufferSize);
-      ASSERT (*OptionString);
-
-      HiiValue.Type = EFI_IFR_TYPE_NUM_SIZE_8;
-      HiiValue.Value.u64 = 0;
-      for (Index = 0; Index < Question->MaxContainers; Index++) {
-        HiiValue.Value.u8 = Question->BufferValue[Index];
-        if (HiiValue.Value.u8 == 0) {
-          //
-          // Values for the options in ordered lists should never be a 0
-          //
-          break;
-        }
-
-        OneOfOption = ValueToOption (Question, &HiiValue);
-        if (OneOfOption == NULL) {
-          gBS->FreePool (*OptionString);
-          return EFI_NOT_FOUND;
-        }
-
-        Suppress = FALSE;
-        if ((OneOfOption->SuppressExpression != NULL) &&
-            (OneOfOption->SuppressExpression->Result.Value.b)) {
-          //
-          // This option is suppressed
-          //
-          Suppress = TRUE;
-        }
-
-        if (!Suppress) {
-          Character[0] = LEFT_ONEOF_DELIMITER;
-          NewStrCat (OptionString[0], Character);
-          StringPtr = GetToken (OneOfOption->Text, Selection->Handle);
-          NewStrCat (OptionString[0], StringPtr);
-          Character[0] = RIGHT_ONEOF_DELIMITER;
-          NewStrCat (OptionString[0], Character);
-          Character[0] = CHAR_CARRIAGE_RETURN;
-          NewStrCat (OptionString[0], Character);
-
-          gBS->FreePool (StringPtr);
-        }
-      }
-    }
-    break;
-
-  case EFI_IFR_ONE_OF_OP:
-    if (Selected) {
-      //
-      // Go ask for input
-      //
-      Status = GetSelectionInputPopUp (Selection, MenuOption);
-    } else {
-      *OptionString = AllocateZeroPool (BufferSize);
-      ASSERT (*OptionString);
-
-      OneOfOption = ValueToOption (Question, QuestionValue);
-      if (OneOfOption == NULL) {
-        gBS->FreePool (*OptionString);
-        return EFI_NOT_FOUND;
-      }
-
-      if ((OneOfOption->SuppressExpression != NULL) &&
-          (OneOfOption->SuppressExpression->Result.Value.b)) {
-        //
-        // This option is suppressed
-        //
-        Suppress = TRUE;
-      } else {
-        Suppress = FALSE;
-      }
-
-      if (Suppress) {
-        //
-        // Current selected option happen to be suppressed,
-        // enforce to select on a non-suppressed option
-        //
-        Link = GetFirstNode (&Question->OptionListHead);
-        while (!IsNull (&Question->OptionListHead, Link)) {
-          OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
-
-          if ((OneOfOption->SuppressExpression == NULL) ||
-              !OneOfOption->SuppressExpression->Result.Value.b) {
-            Suppress = FALSE;
-            CopyMem (QuestionValue, &OneOfOption->Value, sizeof (EFI_HII_VALUE));
-            SetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);
-            break;
-          }
-
-          Link = GetNextNode (&Question->OptionListHead, Link);
-        }
-      }
-
-      if (!Suppress) {
-        Character[0] = LEFT_ONEOF_DELIMITER;
-        NewStrCat (OptionString[0], Character);
-        StringPtr = GetToken (OneOfOption->Text, Selection->Handle);
-        NewStrCat (OptionString[0], StringPtr);
-        Character[0] = RIGHT_ONEOF_DELIMITER;
-        NewStrCat (OptionString[0], Character);
-
-        gBS->FreePool (StringPtr);
-      }
-    }
-    break;
-
-  case EFI_IFR_CHECKBOX_OP:
-    *OptionString = AllocateZeroPool (BufferSize);
-    ASSERT (*OptionString);
-
-    *OptionString[0] = LEFT_CHECKBOX_DELIMITER;
-
-    if (Selected) {
-      //
-      // Since this is a BOOLEAN operation, flip it upon selection
-      //
-      QuestionValue->Value.b = (BOOLEAN) (QuestionValue->Value.b ? FALSE : TRUE);
-
-      //
-      // Perform inconsistent check
-      //
-      Status = ValidateQuestion (Selection->FormSet, Selection->Form, Question, EFI_HII_EXPRESSION_INCONSISTENT_IF);
-      if (EFI_ERROR (Status)) {
-        //
-        // Inconsistent check fail, restore Question Value
-        //
-        QuestionValue->Value.b = (BOOLEAN) (QuestionValue->Value.b ? FALSE : TRUE);
-        gBS->FreePool (*OptionString);
-        return Status;
-      }
-
-      //
-      // Save Question value
-      //
-      Status = SetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);
-      UpdateStatusBar (NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);
-    }
-
-    if (QuestionValue->Value.b) {
-      *(OptionString[0] + 1) = CHECK_ON;
-    } else {
-      *(OptionString[0] + 1) = CHECK_OFF;
-    }
-    *(OptionString[0] + 2) = RIGHT_CHECKBOX_DELIMITER;
-    break;
-
-  case EFI_IFR_NUMERIC_OP:
-    if (Selected) {
-      //
-      // Go ask for input
-      //
-      Status = GetNumericInput (Selection, MenuOption);
-    } else {
-      *OptionString = AllocateZeroPool (BufferSize);
-      ASSERT (*OptionString);
-
-      *OptionString[0] = LEFT_NUMERIC_DELIMITER;
-
-      //
-      // Formatted print
-      //
-      PrintFormattedNumber (Question, FormattedNumber, 21 * sizeof (CHAR16));
-      Number = (UINT16) GetStringWidth (FormattedNumber);
-      CopyMem (OptionString[0] + 1, FormattedNumber, Number);
-
-      *(OptionString[0] + Number / 2) = RIGHT_NUMERIC_DELIMITER;
-    }
-    break;
-
-  case EFI_IFR_DATE_OP:
-    if (Selected) {
-      //
-      // This is similar to numerics
-      //
-      Status = GetNumericInput (Selection, MenuOption);
-    } else {
-      *OptionString = AllocateZeroPool (BufferSize);
-      ASSERT (*OptionString);
-
-      switch (MenuOption->Sequence) {
-      case 0:
-        *OptionString[0] = LEFT_NUMERIC_DELIMITER;
-        UnicodeSPrint (OptionString[0] + 1, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.date.Month);
-        *(OptionString[0] + 3) = DATE_SEPARATOR;
-        break;
-
-      case 1:
-        SetUnicodeMem (OptionString[0], 4, L' ');
-        UnicodeSPrint (OptionString[0] + 4, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.date.Day);
-        *(OptionString[0] + 6) = DATE_SEPARATOR;
-        break;
-
-      case 2:
-        SetUnicodeMem (OptionString[0], 7, L' ');
-        UnicodeSPrint (OptionString[0] + 7, 21 * sizeof (CHAR16), L"%4d", QuestionValue->Value.date.Year);
-        *(OptionString[0] + 11) = RIGHT_NUMERIC_DELIMITER;
-        break;
-      }
-    }
-    break;
-
-  case EFI_IFR_TIME_OP:
-    if (Selected) {
-      //
-      // This is similar to numerics
-      //
-      Status = GetNumericInput (Selection, MenuOption);
-    } else {
-      *OptionString = AllocateZeroPool (BufferSize);
-      ASSERT (*OptionString);
-
-      switch (MenuOption->Sequence) {
-      case 0:
-        *OptionString[0] = LEFT_NUMERIC_DELIMITER;
-        UnicodeSPrint (OptionString[0] + 1, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.time.Hour);
-        *(OptionString[0] + 3) = TIME_SEPARATOR;
-        break;
-
-      case 1:
-        SetUnicodeMem (OptionString[0], 4, L' ');
-        UnicodeSPrint (OptionString[0] + 4, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.time.Minute);
-        *(OptionString[0] + 6) = TIME_SEPARATOR;
-        break;
-
-      case 2:
-        SetUnicodeMem (OptionString[0], 7, L' ');
-        UnicodeSPrint (OptionString[0] + 7, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.time.Second);
-        *(OptionString[0] + 9) = RIGHT_NUMERIC_DELIMITER;
-        break;
-      }
-    }
-    break;
-
-  case EFI_IFR_STRING_OP:
-    if (Selected) {
-      StringPtr = AllocateZeroPool ((Maximum + 1) * sizeof (CHAR16));
-      ASSERT (StringPtr);
-
-      Status = ReadString (MenuOption, gPromptForData, StringPtr);
-      if (!EFI_ERROR (Status)) {
-        CopyMem (Question->BufferValue, StringPtr, Maximum * sizeof (CHAR16));
-        SetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);
-
-        UpdateStatusBar (NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);
-      }
-
-      gBS->FreePool (StringPtr);
-    } else {
-      *OptionString = AllocateZeroPool (BufferSize);
-      ASSERT (*OptionString);
-
-      if (((CHAR16 *) Question->BufferValue)[0] == 0x0000) {
-        *(OptionString[0]) = '_';
-      } else {
-        if ((Maximum * sizeof (CHAR16)) < BufferSize) {
-          BufferSize = Maximum * sizeof (CHAR16);
-        }
-        CopyMem (OptionString[0], (CHAR16 *) Question->BufferValue, BufferSize);
-      }
-    }
-    break;
-
-  case EFI_IFR_PASSWORD_OP:
-    if (Selected) {
-      StringPtr = AllocateZeroPool ((Maximum + 1) * sizeof (CHAR16));
-      ASSERT (StringPtr);
-
-      //
-      // For interactive passwords, old password is validated by callback
-      //
-      if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK)  != 0) {
-        //
-        // Use a NULL password to test whether old password is required
-        //
-        *StringPtr = 0;
-        Status = PasswordCallback (Selection, MenuOption, StringPtr);
-        if (Status == EFI_NOT_AVAILABLE_YET) {
-          //
-          // Callback request to terminate password input
-          //
-          gBS->FreePool (StringPtr);
-          return EFI_SUCCESS;
-        }
-
-        if (EFI_ERROR (Status)) {
-          //
-          // Old password exist, ask user for the old password
-          //
-          Status = ReadString (MenuOption, gPromptForPassword, StringPtr);
-          if (EFI_ERROR (Status)) {
-            gBS->FreePool (StringPtr);
-            return Status;
-          }
-
-          //
-          // Check user input old password
-          //
-          Status = PasswordCallback (Selection, MenuOption, StringPtr);
-          if (EFI_ERROR (Status)) {
-            if (Status == EFI_NOT_READY) {
-              //
-              // Typed in old password incorrect
-              //
-              PasswordInvalid ();
-            } else {
-              Status = EFI_SUCCESS;
-            }
-
-            gBS->FreePool (StringPtr);
-            return Status;
-          }
-        }
-      } else {
-        //
-        // For non-interactive password, validate old password in local
-        //
-        if (*((CHAR16 *) Question->BufferValue) != 0) {
-          //
-          // There is something there!  Prompt for password
-          //
-          Status = ReadString (MenuOption, gPromptForPassword, StringPtr);
-          if (EFI_ERROR (Status)) {
-            gBS->FreePool (StringPtr);
-            return Status;
-          }
-
-          TempString = AllocateCopyPool ((Maximum + 1) * sizeof (CHAR16), Question->BufferValue);
-          TempString[Maximum] = L'\0';
-
-          if (StrCmp (StringPtr, TempString) != 0) {
-            //
-            // Typed in old password incorrect
-            //
-            PasswordInvalid ();
-
-            gBS->FreePool (StringPtr);
-            gBS->FreePool (TempString);
-            return Status;
-          }
-
-          gBS->FreePool (TempString);
-        }
-      }
-
-      //
-      // Ask for new password
-      //
-      ZeroMem (StringPtr, (Maximum + 1) * sizeof (CHAR16));
-      Status = ReadString (MenuOption, gPromptForNewPassword, StringPtr);
-      if (EFI_ERROR (Status)) {
-        //
-        // Reset state machine for interactive password
-        //
-        if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {
-          PasswordCallback (Selection, MenuOption, NULL);
-        }
-
-        gBS->FreePool (StringPtr);
-        return Status;
-      }
-
-      //
-      // Confirm new password
-      //
-      TempString = AllocateZeroPool ((Maximum + 1) * sizeof (CHAR16));
-      ASSERT (TempString);
-      Status = ReadString (MenuOption, gConfirmPassword, TempString);
-      if (EFI_ERROR (Status)) {
-        //
-        // Reset state machine for interactive password
-        //
-        if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {
-          PasswordCallback (Selection, MenuOption, NULL);
-        }
-
-        gBS->FreePool (StringPtr);
-        gBS->FreePool (TempString);
-        return Status;
-      }
-
-      //
-      // Compare two typed-in new passwords
-      //
-      if (StrCmp (StringPtr, TempString) == 0) {
-        //
-        // Two password match, send it to Configuration Driver
-        //
-        if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {
-          PasswordCallback (Selection, MenuOption, StringPtr);
-        } else {
-          CopyMem (Question->BufferValue, StringPtr, Maximum * sizeof (CHAR16));
-          SetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE);
-        }
-      } else {
-        //
-        // Reset state machine for interactive password
-        //
-        if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {
-          PasswordCallback (Selection, MenuOption, NULL);
-        }
-
-        //
-        // Two password mismatch, prompt error message
-        //
-        do {
-          CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gConfirmError, gPressEnter, gEmptyString);
-        } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
-      }
-
-      gBS->FreePool (TempString);
-      gBS->FreePool (StringPtr);
-    }
-    break;
-
-  default:
-    break;
-  }
-
-  return Status;
-}
-
-
-/**
-  Process the help string: Split StringPtr to several lines of strings stored in
-  FormattedString and the glyph width of each line cannot exceed gHelpBlockWidth.
-
-  @param  StringPtr              The entire help string.
-  @param  FormattedString        The oupput formatted string.
-  @param  RowCount               TRUE: if Question is selected.
-
-**/
-VOID
-ProcessHelpString (
-  IN  CHAR16  *StringPtr,
-  OUT CHAR16  **FormattedString,
-  IN  UINTN   RowCount
-  )
-{
-  CONST UINTN BlockWidth = (UINTN) gHelpBlockWidth - 1;
-  UINTN AllocateSize;
-  //
-  // [PrevCurrIndex, CurrIndex) forms a range of a screen-line
-  //
-  UINTN CurrIndex;
-  UINTN PrevCurrIndex;
-  UINTN LineCount;
-  UINTN VirtualLineCount;
-  //
-  // GlyphOffset stores glyph width of current screen-line
-  //
-  UINTN GlyphOffset;
-  //
-  // GlyphWidth equals to 2 if we meet width directive
-  //
-  UINTN GlyphWidth;
-  //
-  // during scanning, we remember the position of last space character
-  // in case that if next word cannot put in current line, we could restore back to the position
-  // of last space character
-  // while we should also remmeber the glyph width of the last space character for restoring
-  //
-  UINTN LastSpaceIndex;
-  UINTN LastSpaceGlyphWidth;
-  //
-  // every time we begin to form a new screen-line, we should remember glyph width of single character
-  // of last line
-  //
-  UINTN LineStartGlyphWidth;
-  UINTN *IndexArray;
-  UINTN *OldIndexArray;
-
-  //
-  // every three elements of IndexArray form a screen-line of string:[ IndexArray[i*3], IndexArray[i*3+1] )
-  // IndexArray[i*3+2] stores the initial glyph width of single character. to save this is because we want
-  // to bring the width directive of the last line to current screen-line.
-  // e.g.: "\wideabcde ... fghi", if "fghi" also has width directive but is splitted to the next screen-line
-  // different from that of "\wideabcde", we should remember the width directive.
-  //
-  AllocateSize  = 0x20;
-  IndexArray    = AllocatePool (AllocateSize * sizeof (UINTN) * 3);
-
-  if (*FormattedString != NULL) {
-    gBS->FreePool (*FormattedString);
-    *FormattedString = NULL;
-  }
-
-  for (PrevCurrIndex = 0, CurrIndex  = 0, LineCount   = 0, LastSpaceIndex = 0,
-       IndexArray[0] = 0, GlyphWidth = 1, GlyphOffset = 0, LastSpaceGlyphWidth = 1, LineStartGlyphWidth = 1;
-       (StringPtr[CurrIndex] != CHAR_NULL);
-       CurrIndex ++) {
-
-    if (LineCount == AllocateSize) {
-      AllocateSize += 0x10;
-      OldIndexArray  = IndexArray;
-      IndexArray = AllocatePool (AllocateSize * sizeof (UINTN) * 3);
-      CopyMem (IndexArray, OldIndexArray, LineCount * sizeof (UINTN) * 3);
-      gBS->FreePool (OldIndexArray);
-    }
-    switch (StringPtr[CurrIndex]) {
-
-      case NARROW_CHAR:
-      case WIDE_CHAR:
-        GlyphWidth = ((StringPtr[CurrIndex] == WIDE_CHAR) ? 2 : 1);
-        if (CurrIndex == 0) {
-          LineStartGlyphWidth = GlyphWidth;
-        }
-        break;
-
-      //
-      // char is '\n'
-      // "\r\n" isn't handled here, handled by case CHAR_CARRIAGE_RETURN
-      //
-      case CHAR_LINEFEED:
-        //
-        // Store a range of string as a line
-        //
-        IndexArray[LineCount*3]   = PrevCurrIndex;
-        IndexArray[LineCount*3+1] = CurrIndex;
-        IndexArray[LineCount*3+2] = LineStartGlyphWidth;
-        LineCount ++;
-        //
-        // Reset offset and save begin position of line
-        //
-        GlyphOffset = 0;
-        LineStartGlyphWidth = GlyphWidth;
-        PrevCurrIndex = CurrIndex + 1;
-        break;
-
-      //
-      // char is '\r'
-      // "\r\n" and "\r" both are handled here
-      //
-      case CHAR_CARRIAGE_RETURN:
-        if (StringPtr[CurrIndex + 1] == CHAR_LINEFEED) {
-          //
-          // next char is '\n'
-          //
-          IndexArray[LineCount*3]   = PrevCurrIndex;
-          IndexArray[LineCount*3+1] = CurrIndex;
-          IndexArray[LineCount*3+2] = LineStartGlyphWidth;
-          LineCount ++;
-          CurrIndex ++;
-        }
-        GlyphOffset = 0;
-        LineStartGlyphWidth = GlyphWidth;
-        PrevCurrIndex = CurrIndex + 1;
-        break;
-
-      //
-      // char is space or other char
-      //
-      default:
-        GlyphOffset     += GlyphWidth;
-        if (GlyphOffset >= BlockWidth) {
-          if (LastSpaceIndex > PrevCurrIndex) {
-            //
-            // LastSpaceIndex points to space inside current screen-line,
-            // restore to LastSpaceIndex
-            // (Otherwise the word is too long to fit one screen-line, just cut it)
-            //
-            CurrIndex  = LastSpaceIndex;
-            GlyphWidth = LastSpaceGlyphWidth;
-          } else if (GlyphOffset > BlockWidth) {
-            //
-            // the word is too long to fit one screen-line and we don't get the chance
-            // of GlyphOffset == BlockWidth because GlyphWidth = 2
-            //
-            CurrIndex --;
-          }
-
-          IndexArray[LineCount*3]   = PrevCurrIndex;
-          IndexArray[LineCount*3+1] = CurrIndex + 1;
-          IndexArray[LineCount*3+2] = LineStartGlyphWidth;
-          LineStartGlyphWidth = GlyphWidth;
-          LineCount ++;
-          //
-          // Reset offset and save begin position of line
-          //
-          GlyphOffset                 = 0;
-          PrevCurrIndex               = CurrIndex + 1;
-        }
-
-        //
-        // LastSpaceIndex: remember position of last space
-        //
-        if (StringPtr[CurrIndex] == CHAR_SPACE) {
-          LastSpaceIndex      = CurrIndex;
-          LastSpaceGlyphWidth = GlyphWidth;
-        }
-        break;
-    }
-  }
-
-  if (GlyphOffset > 0) {
-    IndexArray[LineCount*3]   = PrevCurrIndex;
-    IndexArray[LineCount*3+1] = CurrIndex;
-    IndexArray[LineCount*3+2] = GlyphWidth;
-    LineCount ++;
-  }
-
-  if (LineCount == 0) {
-    //
-    // in case we meet null string
-    //
-    IndexArray[0] = 0;
-    IndexArray[1] = 1;
-    //
-    // we assume null string's glyph width is 1
-    //
-    IndexArray[1] = 1;
-    LineCount ++;
-  }
-
-  VirtualLineCount = RowCount * (LineCount / RowCount + (LineCount % RowCount > 0));
-  *FormattedString = AllocateZeroPool (VirtualLineCount * (BlockWidth + 1) * sizeof (CHAR16) * 2);
-
-  for (CurrIndex = 0; CurrIndex < LineCount; CurrIndex ++) {
-    *(*FormattedString + CurrIndex * 2 * (BlockWidth + 1)) = (CHAR16) ((IndexArray[CurrIndex*3+2] == 2) ? WIDE_CHAR : NARROW_CHAR);
-    StrnCpy (
-      *FormattedString + CurrIndex * 2 * (BlockWidth + 1) + 1,
-      StringPtr + IndexArray[CurrIndex*3],
-      IndexArray[CurrIndex*3+1]-IndexArray[CurrIndex*3]
-      );
-  }
-
-  gBS->FreePool (IndexArray);
-}
+/** @file

+Implementation for handling the User Interface option processing.

+

+

+Copyright (c) 2004 - 2007, Intel Corporation

+All rights reserved. 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 "Ui.h"

+#include "Setup.h"

+

+

+/**

+  Process Question Config.

+

+  @param  Selection              The UI menu selection.

+  @param  Question               The Question to be peocessed.

+

+  @retval EFI_SUCCESS            Question Config process success.

+  @retval Other                  Question Config process fail.

+

+**/

+EFI_STATUS

+ProcessQuestionConfig (

+  IN  UI_MENU_SELECTION       *Selection,

+  IN  FORM_BROWSER_STATEMENT  *Question

+  )

+{

+  EFI_STATUS                      Status;

+  CHAR16                          *ConfigResp;

+  CHAR16                          *Progress;

+  EFI_HII_CONFIG_ACCESS_PROTOCOL  *ConfigAccess;

+

+  if (Question->QuestionConfig == 0) {

+    return EFI_SUCCESS;

+  }

+

+  //

+  // Get <ConfigResp>

+  //

+  ConfigResp = GetToken (Question->QuestionConfig, Selection->FormSet->HiiHandle);

+  if (ConfigResp == NULL) {

+    return EFI_NOT_FOUND;

+  }

+

+  //

+  // Send config to Configuration Driver

+  //

+  ConfigAccess = Selection->FormSet->ConfigAccess;

+  if (ConfigAccess == NULL) {

+    return EFI_UNSUPPORTED;

+  }

+  Status = ConfigAccess->RouteConfig (

+                           ConfigAccess,

+                           ConfigResp,

+                           &Progress

+                           );

+

+  return Status;

+}

+

+

+/**

+  Search an Option of a Question by its value.

+

+  @param  Question               The Question

+  @param  OptionValue            Value for Option to be searched.

+

+  @retval Pointer                Pointer to the found Option.

+  @retval NULL                   Option not found.

+

+**/

+QUESTION_OPTION *

+ValueToOption (

+  IN FORM_BROWSER_STATEMENT   *Question,

+  IN EFI_HII_VALUE            *OptionValue

+  )

+{

+  LIST_ENTRY       *Link;

+  QUESTION_OPTION  *Option;

+

+  Link = GetFirstNode (&Question->OptionListHead);

+  while (!IsNull (&Question->OptionListHead, Link)) {

+    Option = QUESTION_OPTION_FROM_LINK (Link);

+

+    if (CompareHiiValue (&Option->Value, OptionValue, NULL) == 0) {

+      return Option;

+    }

+

+    Link = GetNextNode (&Question->OptionListHead, Link);

+  }

+

+  return NULL;

+}

+

+

+/**

+  Print Question Value according to it's storage width and display attributes.

+

+  @param  Question               The Question to be printed.

+  @param  FormattedNumber        Buffer for output string.

+  @param  BufferSize             The FormattedNumber buffer size in bytes.

+

+  @retval EFI_SUCCESS            Print success.

+  @retval EFI_BUFFER_TOO_SMALL   Buffer size is not enough for formatted number.

+

+**/

+EFI_STATUS

+PrintFormattedNumber (

+  IN FORM_BROWSER_STATEMENT   *Question,

+  IN OUT CHAR16               *FormattedNumber,

+  IN UINTN                    BufferSize

+  )

+{

+  INT64          Value;

+  CHAR16         *Format;

+  EFI_HII_VALUE  *QuestionValue;

+

+  if (BufferSize < (21 * sizeof (CHAR16))) {

+    return EFI_BUFFER_TOO_SMALL;

+  }

+

+  QuestionValue = &Question->HiiValue;

+

+  Value = (INT64) QuestionValue->Value.u64;

+  switch (Question->Flags & EFI_IFR_DISPLAY) {

+  case EFI_IFR_DISPLAY_INT_DEC:

+    switch (QuestionValue->Type) {

+    case EFI_IFR_NUMERIC_SIZE_1:

+      Value = (INT64) ((INT8) QuestionValue->Value.u8);

+      break;

+

+    case EFI_IFR_NUMERIC_SIZE_2:

+      Value = (INT64) ((INT16) QuestionValue->Value.u16);

+      break;

+

+    case EFI_IFR_NUMERIC_SIZE_4:

+      Value = (INT64) ((INT32) QuestionValue->Value.u32);

+      break;

+

+    case EFI_IFR_NUMERIC_SIZE_8:

+    default:

+      break;

+    }

+

+    if (Value < 0) {

+      Value = -Value;

+      Format = L"-%ld";

+    } else {

+      Format = L"%ld";

+    }

+    break;

+

+  case EFI_IFR_DISPLAY_UINT_DEC:

+    Format = L"%ld";

+    break;

+

+  case EFI_IFR_DISPLAY_UINT_HEX:

+    Format = L"%lx";

+    break;

+

+  default:

+    return EFI_UNSUPPORTED;

+    break;

+  }

+

+  UnicodeSPrint (FormattedNumber, BufferSize, Format, Value);

+

+  return EFI_SUCCESS;

+}

+

+

+/**

+  Password may be stored as encrypted by Configuration Driver. When change a

+  password, user will be challenged with old password. To validate user input old

+  password, we will send the clear text to Configuration Driver via Callback().

+  Configuration driver is responsible to check the passed in password and return

+  the validation result. If validation pass, state machine in password Callback()

+  will transit from BROWSER_STATE_VALIDATE_PASSWORD to BROWSER_STATE_SET_PASSWORD.

+  After user type in new password twice, Callback() will be invoked to send the

+  new password to Configuration Driver.

+

+  @param  Selection              Pointer to UI_MENU_SELECTION.

+  @param  MenuOption             The MenuOption for this password Question.

+  @param  String                 The clear text of password.

+

+  @retval EFI_NOT_AVAILABLE_YET  Callback() request to terminate password input.

+  @return In state of BROWSER_STATE_VALIDATE_PASSWORD:

+  @retval EFI_SUCCESS            Password correct, Browser will prompt for new

+                                 password.

+  @retval EFI_NOT_READY          Password incorrect, Browser will show error

+                                 message.

+  @retval Other                  Browser will do nothing.

+  @return In state of BROWSER_STATE_SET_PASSWORD:

+  @retval EFI_SUCCESS            Set password success.

+  @retval Other                  Set password failed.

+

+**/

+EFI_STATUS

+PasswordCallback (

+  IN  UI_MENU_SELECTION           *Selection,

+  IN  UI_MENU_OPTION              *MenuOption,

+  IN  CHAR16                      *String

+  )

+{

+  EFI_STATUS                      Status;

+  EFI_HII_CONFIG_ACCESS_PROTOCOL  *ConfigAccess;

+  EFI_BROWSER_ACTION_REQUEST      ActionRequest;

+  EFI_HII_VALUE                   *QuestionValue;

+

+  QuestionValue = &MenuOption->ThisTag->HiiValue;

+  ConfigAccess = Selection->FormSet->ConfigAccess;

+  if (ConfigAccess == NULL) {

+    return EFI_UNSUPPORTED;

+  }

+

+  //

+  // Prepare password string in HII database

+  //

+  if (String != NULL) {

+    QuestionValue->Value.string = NewString (String, Selection->FormSet->HiiHandle);

+  } else {

+    QuestionValue->Value.string = 0;

+  }

+

+  //

+  // Send password to Configuration Driver for validation

+  //

+  Status = ConfigAccess->Callback (

+                           ConfigAccess,

+                           EFI_BROWSER_ACTION_CHANGING,

+                           MenuOption->ThisTag->QuestionId,

+                           QuestionValue->Type,

+                           &QuestionValue->Value,

+                           &ActionRequest

+                           );

+

+  //

+  // Remove password string from HII database

+  //

+  if (String != NULL) {

+    DeleteString (QuestionValue->Value.string, Selection->FormSet->HiiHandle);

+  }

+

+  return Status;

+}

+

+

+/**

+  Display error message for invalid password.

+

+**/

+VOID

+PasswordInvalid (

+  VOID

+  )

+{

+  EFI_INPUT_KEY  Key;

+

+  //

+  // Invalid password, prompt error message

+  //

+  do {

+    CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gPassowordInvalid, gPressEnter, gEmptyString);

+  } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);

+}

+

+

+/**

+  Process a Question's Option (whether selected or un-selected).

+

+  @param  Selection              Pointer to UI_MENU_SELECTION.

+  @param  MenuOption             The MenuOption for this Question.

+  @param  Selected               TRUE: if Question is selected.

+  @param  OptionString           Pointer of the Option String to be displayed.

+

+  @retval EFI_SUCCESS            Question Option process success.

+  @retval Other                  Question Option process fail.

+

+**/

+EFI_STATUS

+ProcessOptions (

+  IN  UI_MENU_SELECTION           *Selection,

+  IN  UI_MENU_OPTION              *MenuOption,

+  IN  BOOLEAN                     Selected,

+  OUT CHAR16                      **OptionString

+  )

+{

+  EFI_STATUS                      Status;

+  CHAR16                          *StringPtr;

+  CHAR16                          *TempString;

+  UINTN                           Index;

+  FORM_BROWSER_STATEMENT          *Question;

+  CHAR16                          FormattedNumber[21];

+  UINT16                          Number;

+  CHAR16                          Character[2];

+  EFI_INPUT_KEY                   Key;

+  UINTN                           BufferSize;

+  QUESTION_OPTION                 *OneOfOption;

+  LIST_ENTRY                      *Link;

+  EFI_HII_VALUE                   HiiValue;

+  EFI_HII_VALUE                   *QuestionValue;

+  BOOLEAN                         Suppress;

+  UINT16                          Maximum;

+

+  Status        = EFI_SUCCESS;

+

+  StringPtr     = NULL;

+  Character[1]  = L'\0';

+  *OptionString = NULL;

+

+  ZeroMem (FormattedNumber, 21 * sizeof (CHAR16));

+  BufferSize = (gOptionBlockWidth + 1) * 2 * gScreenDimensions.BottomRow;

+

+  Question = MenuOption->ThisTag;

+  QuestionValue = &Question->HiiValue;

+  Maximum = (UINT16) Question->Maximum;

+

+  switch (Question->Operand) {

+  case EFI_IFR_ORDERED_LIST_OP:

+    //

+    // Initialize Option value array

+    //

+

+    if (Question->BufferValue[0] == 0) {

+      GetQuestionDefault (Selection->FormSet, Selection->Form, Question, 0);

+    }

+

+    if (Selected) {

+      //

+      // Go ask for input

+      //

+      Status = GetSelectionInputPopUp (Selection, MenuOption);

+    } else {

+      //

+      // We now know how many strings we will have, so we can allocate the

+      // space required for the array or strings.

+      //

+      *OptionString = AllocateZeroPool (Question->MaxContainers * BufferSize);

+      ASSERT (*OptionString);

+

+      HiiValue.Type = EFI_IFR_TYPE_NUM_SIZE_8;

+      HiiValue.Value.u64 = 0;

+      for (Index = 0; Index < Question->MaxContainers; Index++) {

+        HiiValue.Value.u8 = Question->BufferValue[Index];

+        if (HiiValue.Value.u8 == 0) {

+          //

+          // Values for the options in ordered lists should never be a 0

+          //

+          break;

+        }

+

+        OneOfOption = ValueToOption (Question, &HiiValue);

+        if (OneOfOption == NULL) {

+          gBS->FreePool (*OptionString);

+          return EFI_NOT_FOUND;

+        }

+

+        Suppress = FALSE;

+        if ((OneOfOption->SuppressExpression != NULL) &&

+            (OneOfOption->SuppressExpression->Result.Value.b)) {

+          //

+          // This option is suppressed

+          //

+          Suppress = TRUE;

+        }

+

+        if (!Suppress) {

+          Character[0] = LEFT_ONEOF_DELIMITER;

+          NewStrCat (OptionString[0], Character);

+          StringPtr = GetToken (OneOfOption->Text, Selection->Handle);

+          NewStrCat (OptionString[0], StringPtr);

+          Character[0] = RIGHT_ONEOF_DELIMITER;

+          NewStrCat (OptionString[0], Character);

+          Character[0] = CHAR_CARRIAGE_RETURN;

+          NewStrCat (OptionString[0], Character);

+

+          gBS->FreePool (StringPtr);

+        }

+      }

+    }

+    break;

+

+  case EFI_IFR_ONE_OF_OP:

+    if (Selected) {

+      //

+      // Go ask for input

+      //

+      Status = GetSelectionInputPopUp (Selection, MenuOption);

+    } else {

+      *OptionString = AllocateZeroPool (BufferSize);

+      ASSERT (*OptionString);

+

+      OneOfOption = ValueToOption (Question, QuestionValue);

+      if (OneOfOption == NULL) {

+        gBS->FreePool (*OptionString);

+        return EFI_NOT_FOUND;

+      }

+

+      if ((OneOfOption->SuppressExpression != NULL) &&

+          (OneOfOption->SuppressExpression->Result.Value.b)) {

+        //

+        // This option is suppressed

+        //

+        Suppress = TRUE;

+      } else {

+        Suppress = FALSE;

+      }

+

+      if (Suppress) {

+        //

+        // Current selected option happen to be suppressed,

+        // enforce to select on a non-suppressed option

+        //

+        Link = GetFirstNode (&Question->OptionListHead);

+        while (!IsNull (&Question->OptionListHead, Link)) {

+          OneOfOption = QUESTION_OPTION_FROM_LINK (Link);

+

+          if ((OneOfOption->SuppressExpression == NULL) ||

+              !OneOfOption->SuppressExpression->Result.Value.b) {

+            Suppress = FALSE;

+            CopyMem (QuestionValue, &OneOfOption->Value, sizeof (EFI_HII_VALUE));

+            SetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);

+            break;

+          }

+

+          Link = GetNextNode (&Question->OptionListHead, Link);

+        }

+      }

+

+      if (!Suppress) {

+        Character[0] = LEFT_ONEOF_DELIMITER;

+        NewStrCat (OptionString[0], Character);

+        StringPtr = GetToken (OneOfOption->Text, Selection->Handle);

+        NewStrCat (OptionString[0], StringPtr);

+        Character[0] = RIGHT_ONEOF_DELIMITER;

+        NewStrCat (OptionString[0], Character);

+

+        gBS->FreePool (StringPtr);

+      }

+    }

+    break;

+

+  case EFI_IFR_CHECKBOX_OP:

+    *OptionString = AllocateZeroPool (BufferSize);

+    ASSERT (*OptionString);

+

+    *OptionString[0] = LEFT_CHECKBOX_DELIMITER;

+

+    if (Selected) {

+      //

+      // Since this is a BOOLEAN operation, flip it upon selection

+      //

+      QuestionValue->Value.b = (BOOLEAN) (QuestionValue->Value.b ? FALSE : TRUE);

+

+      //

+      // Perform inconsistent check

+      //

+      Status = ValidateQuestion (Selection->FormSet, Selection->Form, Question, EFI_HII_EXPRESSION_INCONSISTENT_IF);

+      if (EFI_ERROR (Status)) {

+        //

+        // Inconsistent check fail, restore Question Value

+        //

+        QuestionValue->Value.b = (BOOLEAN) (QuestionValue->Value.b ? FALSE : TRUE);

+        gBS->FreePool (*OptionString);

+        return Status;

+      }

+

+      //

+      // Save Question value

+      //

+      Status = SetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);

+      UpdateStatusBar (NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);

+    }

+

+    if (QuestionValue->Value.b) {

+      *(OptionString[0] + 1) = CHECK_ON;

+    } else {

+      *(OptionString[0] + 1) = CHECK_OFF;

+    }

+    *(OptionString[0] + 2) = RIGHT_CHECKBOX_DELIMITER;

+    break;

+

+  case EFI_IFR_NUMERIC_OP:

+    if (Selected) {

+      //

+      // Go ask for input

+      //

+      Status = GetNumericInput (Selection, MenuOption);

+    } else {

+      *OptionString = AllocateZeroPool (BufferSize);

+      ASSERT (*OptionString);

+

+      *OptionString[0] = LEFT_NUMERIC_DELIMITER;

+

+      //

+      // Formatted print

+      //

+      PrintFormattedNumber (Question, FormattedNumber, 21 * sizeof (CHAR16));

+      Number = (UINT16) GetStringWidth (FormattedNumber);

+      CopyMem (OptionString[0] + 1, FormattedNumber, Number);

+

+      *(OptionString[0] + Number / 2) = RIGHT_NUMERIC_DELIMITER;

+    }

+    break;

+

+  case EFI_IFR_DATE_OP:

+    if (Selected) {

+      //

+      // This is similar to numerics

+      //

+      Status = GetNumericInput (Selection, MenuOption);

+    } else {

+      *OptionString = AllocateZeroPool (BufferSize);

+      ASSERT (*OptionString);

+

+      switch (MenuOption->Sequence) {

+      case 0:

+        *OptionString[0] = LEFT_NUMERIC_DELIMITER;

+        UnicodeSPrint (OptionString[0] + 1, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.date.Month);

+        *(OptionString[0] + 3) = DATE_SEPARATOR;

+        break;

+

+      case 1:

+        SetUnicodeMem (OptionString[0], 4, L' ');

+        UnicodeSPrint (OptionString[0] + 4, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.date.Day);

+        *(OptionString[0] + 6) = DATE_SEPARATOR;

+        break;

+

+      case 2:

+        SetUnicodeMem (OptionString[0], 7, L' ');

+        UnicodeSPrint (OptionString[0] + 7, 21 * sizeof (CHAR16), L"%4d", QuestionValue->Value.date.Year);

+        *(OptionString[0] + 11) = RIGHT_NUMERIC_DELIMITER;

+        break;

+      }

+    }

+    break;

+

+  case EFI_IFR_TIME_OP:

+    if (Selected) {

+      //

+      // This is similar to numerics

+      //

+      Status = GetNumericInput (Selection, MenuOption);

+    } else {

+      *OptionString = AllocateZeroPool (BufferSize);

+      ASSERT (*OptionString);

+

+      switch (MenuOption->Sequence) {

+      case 0:

+        *OptionString[0] = LEFT_NUMERIC_DELIMITER;

+        UnicodeSPrint (OptionString[0] + 1, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.time.Hour);

+        *(OptionString[0] + 3) = TIME_SEPARATOR;

+        break;

+

+      case 1:

+        SetUnicodeMem (OptionString[0], 4, L' ');

+        UnicodeSPrint (OptionString[0] + 4, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.time.Minute);

+        *(OptionString[0] + 6) = TIME_SEPARATOR;

+        break;

+

+      case 2:

+        SetUnicodeMem (OptionString[0], 7, L' ');

+        UnicodeSPrint (OptionString[0] + 7, 21 * sizeof (CHAR16), L"%02d", QuestionValue->Value.time.Second);

+        *(OptionString[0] + 9) = RIGHT_NUMERIC_DELIMITER;

+        break;

+      }

+    }

+    break;

+

+  case EFI_IFR_STRING_OP:

+    if (Selected) {

+      StringPtr = AllocateZeroPool ((Maximum + 1) * sizeof (CHAR16));

+      ASSERT (StringPtr);

+

+      Status = ReadString (MenuOption, gPromptForData, StringPtr);

+      if (!EFI_ERROR (Status)) {

+        CopyMem (Question->BufferValue, StringPtr, Maximum * sizeof (CHAR16));

+        SetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);

+

+        UpdateStatusBar (NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);

+      }

+

+      gBS->FreePool (StringPtr);

+    } else {

+      *OptionString = AllocateZeroPool (BufferSize);

+      ASSERT (*OptionString);

+

+      if (((CHAR16 *) Question->BufferValue)[0] == 0x0000) {

+        *(OptionString[0]) = '_';

+      } else {

+        if ((Maximum * sizeof (CHAR16)) < BufferSize) {

+          BufferSize = Maximum * sizeof (CHAR16);

+        }

+        CopyMem (OptionString[0], (CHAR16 *) Question->BufferValue, BufferSize);

+      }

+    }

+    break;

+

+  case EFI_IFR_PASSWORD_OP:

+    if (Selected) {

+      StringPtr = AllocateZeroPool ((Maximum + 1) * sizeof (CHAR16));

+      ASSERT (StringPtr);

+

+      //

+      // For interactive passwords, old password is validated by callback

+      //

+      if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK)  != 0) {

+        //

+        // Use a NULL password to test whether old password is required

+        //

+        *StringPtr = 0;

+        Status = PasswordCallback (Selection, MenuOption, StringPtr);

+        if (Status == EFI_NOT_AVAILABLE_YET) {

+          //

+          // Callback request to terminate password input

+          //

+          gBS->FreePool (StringPtr);

+          return EFI_SUCCESS;

+        }

+

+        if (EFI_ERROR (Status)) {

+          //

+          // Old password exist, ask user for the old password

+          //

+          Status = ReadString (MenuOption, gPromptForPassword, StringPtr);

+          if (EFI_ERROR (Status)) {

+            gBS->FreePool (StringPtr);

+            return Status;

+          }

+

+          //

+          // Check user input old password

+          //

+          Status = PasswordCallback (Selection, MenuOption, StringPtr);

+          if (EFI_ERROR (Status)) {

+            if (Status == EFI_NOT_READY) {

+              //

+              // Typed in old password incorrect

+              //

+              PasswordInvalid ();

+            } else {

+              Status = EFI_SUCCESS;

+            }

+

+            gBS->FreePool (StringPtr);

+            return Status;

+          }

+        }

+      } else {

+        //

+        // For non-interactive password, validate old password in local

+        //

+        if (*((CHAR16 *) Question->BufferValue) != 0) {

+          //

+          // There is something there!  Prompt for password

+          //

+          Status = ReadString (MenuOption, gPromptForPassword, StringPtr);

+          if (EFI_ERROR (Status)) {

+            gBS->FreePool (StringPtr);

+            return Status;

+          }

+

+          TempString = AllocateCopyPool ((Maximum + 1) * sizeof (CHAR16), Question->BufferValue);

+          TempString[Maximum] = L'\0';

+

+          if (StrCmp (StringPtr, TempString) != 0) {

+            //

+            // Typed in old password incorrect

+            //

+            PasswordInvalid ();

+

+            gBS->FreePool (StringPtr);

+            gBS->FreePool (TempString);

+            return Status;

+          }

+

+          gBS->FreePool (TempString);

+        }

+      }

+

+      //

+      // Ask for new password

+      //

+      ZeroMem (StringPtr, (Maximum + 1) * sizeof (CHAR16));

+      Status = ReadString (MenuOption, gPromptForNewPassword, StringPtr);

+      if (EFI_ERROR (Status)) {

+        //

+        // Reset state machine for interactive password

+        //

+        if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {

+          PasswordCallback (Selection, MenuOption, NULL);

+        }

+

+        gBS->FreePool (StringPtr);

+        return Status;

+      }

+

+      //

+      // Confirm new password

+      //

+      TempString = AllocateZeroPool ((Maximum + 1) * sizeof (CHAR16));

+      ASSERT (TempString);

+      Status = ReadString (MenuOption, gConfirmPassword, TempString);

+      if (EFI_ERROR (Status)) {

+        //

+        // Reset state machine for interactive password

+        //

+        if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {

+          PasswordCallback (Selection, MenuOption, NULL);

+        }

+

+        gBS->FreePool (StringPtr);

+        gBS->FreePool (TempString);

+        return Status;

+      }

+

+      //

+      // Compare two typed-in new passwords

+      //

+      if (StrCmp (StringPtr, TempString) == 0) {

+        //

+        // Two password match, send it to Configuration Driver

+        //

+        if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {

+          PasswordCallback (Selection, MenuOption, StringPtr);

+        } else {

+          CopyMem (Question->BufferValue, StringPtr, Maximum * sizeof (CHAR16));

+          SetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE);

+        }

+      } else {

+        //

+        // Reset state machine for interactive password

+        //

+        if ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {

+          PasswordCallback (Selection, MenuOption, NULL);

+        }

+

+        //

+        // Two password mismatch, prompt error message

+        //

+        do {

+          CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gConfirmError, gPressEnter, gEmptyString);

+        } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);

+      }

+

+      gBS->FreePool (TempString);

+      gBS->FreePool (StringPtr);

+    }

+    break;

+

+  default:

+    break;

+  }

+

+  return Status;

+}

+

+

+/**

+  Process the help string: Split StringPtr to several lines of strings stored in

+  FormattedString and the glyph width of each line cannot exceed gHelpBlockWidth.

+

+  @param  StringPtr              The entire help string.

+  @param  FormattedString        The oupput formatted string.

+  @param  RowCount               TRUE: if Question is selected.

+

+**/

+VOID

+ProcessHelpString (

+  IN  CHAR16  *StringPtr,

+  OUT CHAR16  **FormattedString,

+  IN  UINTN   RowCount

+  )

+{

+  CONST UINTN BlockWidth = (UINTN) gHelpBlockWidth - 1;

+  UINTN AllocateSize;

+  //

+  // [PrevCurrIndex, CurrIndex) forms a range of a screen-line

+  //

+  UINTN CurrIndex;

+  UINTN PrevCurrIndex;

+  UINTN LineCount;

+  UINTN VirtualLineCount;

+  //

+  // GlyphOffset stores glyph width of current screen-line

+  //

+  UINTN GlyphOffset;

+  //

+  // GlyphWidth equals to 2 if we meet width directive

+  //

+  UINTN GlyphWidth;

+  //

+  // during scanning, we remember the position of last space character

+  // in case that if next word cannot put in current line, we could restore back to the position

+  // of last space character

+  // while we should also remmeber the glyph width of the last space character for restoring

+  //

+  UINTN LastSpaceIndex;

+  UINTN LastSpaceGlyphWidth;

+  //

+  // every time we begin to form a new screen-line, we should remember glyph width of single character

+  // of last line

+  //

+  UINTN LineStartGlyphWidth;

+  UINTN *IndexArray;

+  UINTN *OldIndexArray;

+

+  //

+  // every three elements of IndexArray form a screen-line of string:[ IndexArray[i*3], IndexArray[i*3+1] )

+  // IndexArray[i*3+2] stores the initial glyph width of single character. to save this is because we want

+  // to bring the width directive of the last line to current screen-line.

+  // e.g.: "\wideabcde ... fghi", if "fghi" also has width directive but is splitted to the next screen-line

+  // different from that of "\wideabcde", we should remember the width directive.

+  //

+  AllocateSize  = 0x20;

+  IndexArray    = AllocatePool (AllocateSize * sizeof (UINTN) * 3);

+

+  if (*FormattedString != NULL) {

+    gBS->FreePool (*FormattedString);

+    *FormattedString = NULL;

+  }

+

+  for (PrevCurrIndex = 0, CurrIndex  = 0, LineCount   = 0, LastSpaceIndex = 0,

+       IndexArray[0] = 0, GlyphWidth = 1, GlyphOffset = 0, LastSpaceGlyphWidth = 1, LineStartGlyphWidth = 1;

+       (StringPtr[CurrIndex] != CHAR_NULL);

+       CurrIndex ++) {

+

+    if (LineCount == AllocateSize) {

+      AllocateSize += 0x10;

+      OldIndexArray  = IndexArray;

+      IndexArray = AllocatePool (AllocateSize * sizeof (UINTN) * 3);

+      CopyMem (IndexArray, OldIndexArray, LineCount * sizeof (UINTN) * 3);

+      gBS->FreePool (OldIndexArray);

+    }

+    switch (StringPtr[CurrIndex]) {

+

+      case NARROW_CHAR:

+      case WIDE_CHAR:

+        GlyphWidth = ((StringPtr[CurrIndex] == WIDE_CHAR) ? 2 : 1);

+        if (CurrIndex == 0) {

+          LineStartGlyphWidth = GlyphWidth;

+        }

+        break;

+

+      //

+      // char is '\n'

+      // "\r\n" isn't handled here, handled by case CHAR_CARRIAGE_RETURN

+      //

+      case CHAR_LINEFEED:

+        //

+        // Store a range of string as a line

+        //

+        IndexArray[LineCount*3]   = PrevCurrIndex;

+        IndexArray[LineCount*3+1] = CurrIndex;

+        IndexArray[LineCount*3+2] = LineStartGlyphWidth;

+        LineCount ++;

+        //

+        // Reset offset and save begin position of line

+        //

+        GlyphOffset = 0;

+        LineStartGlyphWidth = GlyphWidth;

+        PrevCurrIndex = CurrIndex + 1;

+        break;

+

+      //

+      // char is '\r'

+      // "\r\n" and "\r" both are handled here

+      //

+      case CHAR_CARRIAGE_RETURN:

+        if (StringPtr[CurrIndex + 1] == CHAR_LINEFEED) {

+          //

+          // next char is '\n'

+          //

+          IndexArray[LineCount*3]   = PrevCurrIndex;

+          IndexArray[LineCount*3+1] = CurrIndex;

+          IndexArray[LineCount*3+2] = LineStartGlyphWidth;

+          LineCount ++;

+          CurrIndex ++;

+        }

+        GlyphOffset = 0;

+        LineStartGlyphWidth = GlyphWidth;

+        PrevCurrIndex = CurrIndex + 1;

+        break;

+

+      //

+      // char is space or other char

+      //

+      default:

+        GlyphOffset     += GlyphWidth;

+        if (GlyphOffset >= BlockWidth) {

+          if (LastSpaceIndex > PrevCurrIndex) {

+            //

+            // LastSpaceIndex points to space inside current screen-line,

+            // restore to LastSpaceIndex

+            // (Otherwise the word is too long to fit one screen-line, just cut it)

+            //

+            CurrIndex  = LastSpaceIndex;

+            GlyphWidth = LastSpaceGlyphWidth;

+          } else if (GlyphOffset > BlockWidth) {

+            //

+            // the word is too long to fit one screen-line and we don't get the chance

+            // of GlyphOffset == BlockWidth because GlyphWidth = 2

+            //

+            CurrIndex --;

+          }

+

+          IndexArray[LineCount*3]   = PrevCurrIndex;

+          IndexArray[LineCount*3+1] = CurrIndex + 1;

+          IndexArray[LineCount*3+2] = LineStartGlyphWidth;

+          LineStartGlyphWidth = GlyphWidth;

+          LineCount ++;

+          //

+          // Reset offset and save begin position of line

+          //

+          GlyphOffset                 = 0;

+          PrevCurrIndex               = CurrIndex + 1;

+        }

+

+        //

+        // LastSpaceIndex: remember position of last space

+        //

+        if (StringPtr[CurrIndex] == CHAR_SPACE) {

+          LastSpaceIndex      = CurrIndex;

+          LastSpaceGlyphWidth = GlyphWidth;

+        }

+        break;

+    }

+  }

+

+  if (GlyphOffset > 0) {

+    IndexArray[LineCount*3]   = PrevCurrIndex;

+    IndexArray[LineCount*3+1] = CurrIndex;

+    IndexArray[LineCount*3+2] = GlyphWidth;

+    LineCount ++;

+  }

+

+  if (LineCount == 0) {

+    //

+    // in case we meet null string

+    //

+    IndexArray[0] = 0;

+    IndexArray[1] = 1;

+    //

+    // we assume null string's glyph width is 1

+    //

+    IndexArray[1] = 1;

+    LineCount ++;

+  }

+

+  VirtualLineCount = RowCount * (LineCount / RowCount + (LineCount % RowCount > 0));

+  *FormattedString = AllocateZeroPool (VirtualLineCount * (BlockWidth + 1) * sizeof (CHAR16) * 2);

+

+  for (CurrIndex = 0; CurrIndex < LineCount; CurrIndex ++) {

+    *(*FormattedString + CurrIndex * 2 * (BlockWidth + 1)) = (CHAR16) ((IndexArray[CurrIndex*3+2] == 2) ? WIDE_CHAR : NARROW_CHAR);

+    StrnCpy (

+      *FormattedString + CurrIndex * 2 * (BlockWidth + 1) + 1,

+      StringPtr + IndexArray[CurrIndex*3],

+      IndexArray[CurrIndex*3+1]-IndexArray[CurrIndex*3]

+      );

+  }

+

+  gBS->FreePool (IndexArray);

+}