]> git.proxmox.com Git - mirror_edk2.git/blobdiff - BaseTools/Source/C/VfrCompile/VfrSyntax.g
BaseTools: resolve initialization order errors in VfrFormPkg.h
[mirror_edk2.git] / BaseTools / Source / C / VfrCompile / VfrSyntax.g
index 4b42d3ca8c4ba6f88c49417619b81957df8f252f..4c7c6f28ff4fdfeb68100b93d84bbf5c1f73a2a6 100644 (file)
@@ -1,7 +1,7 @@
 /*++ @file\r
 Vfr Syntax\r
 \r
-Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -33,8 +33,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include "AToken.h"\r
 \r
 #define GET_LINENO(Obj)       ((Obj)->getLine())\r
-#define SET_LINE_INFO(Obj, L) {(Obj).SetLineNo((L)->getLine());} while (0)\r
-#define CRT_END_OP(Obj)       {CIfrEnd EObj; if (Obj != NULL) EObj.SetLineNo ((Obj)->getLine());} while (0)\r
+#define SET_LINE_INFO(Obj, L) do {(Obj).SetLineNo((L)->getLine());} while (0)\r
+#define CRT_END_OP(Obj)       do {CIfrEnd EObj; if (Obj != NULL) EObj.SetLineNo ((Obj)->getLine());} while (0)\r
 \r
 typedef ANTLRCommonToken ANTLRToken;\r
 \r
@@ -42,7 +42,7 @@ class CVfrDLGLexer : public VfrLexer
 {\r
 public:\r
   CVfrDLGLexer (DLGFileInput *F) : VfrLexer (F) {};\r
-  INT32 errstd (char *Text)\r
+  void errstd (const char *Text)\r
   {\r
     printf ("unrecognized input '%s'\n", Text);\r
   }\r
@@ -157,6 +157,7 @@ VfrParserStart (
 #token Inventory("inventory")                   "inventory"\r
 #token NonNvDataMap("_NON_NV_DATA_MAP")         "_NON_NV_DATA_MAP"\r
 #token Struct("struct")                         "struct"\r
+#token Union("union")                           "union"\r
 #token Boolean("BOOLEAN")                       "BOOLEAN"\r
 #token Uint64("UINT64")                         "UINT64"\r
 #token Uint32("UINT32")                         "UINT32"\r
@@ -272,6 +273,7 @@ vfrProgram > [UINT8 Return] :
   (\r
       vfrPragmaPackDefinition\r
     | vfrDataStructDefinition\r
+    | vfrDataUnionDefinition\r
   )*\r
   vfrFormSetDefinition\r
   << $Return = mParserStatus; >>\r
@@ -320,6 +322,21 @@ vfrPragmaPackDefinition :
   "\)"\r
   ;\r
 \r
+  vfrDataUnionDefinition :\r
+  { TypeDef } Union                                << gCVfrVarDataTypeDB.DeclareDataTypeBegin (); >>\r
+  { NonNvDataMap }\r
+  {\r
+    N1:StringIdentifier                             << _PCATCH(gCVfrVarDataTypeDB.SetNewTypeName (N1->getText()), N1); >>\r
+  }\r
+  OpenBrace\r
+    vfrDataStructFields[TRUE]\r
+  CloseBrace\r
+  {\r
+    N2:StringIdentifier                             << _PCATCH(gCVfrVarDataTypeDB.SetNewTypeName (N2->getText()), N2); >>\r
+  }\r
+  ";"                                               << gCVfrVarDataTypeDB.DeclareDataTypeEnd ();>>\r
+  ;\r
+\r
 vfrDataStructDefinition :\r
   { TypeDef } Struct                                << gCVfrVarDataTypeDB.DeclareDataTypeBegin (); >>\r
   { NonNvDataMap }\r
@@ -327,7 +344,7 @@ vfrDataStructDefinition :
     N1:StringIdentifier                             << _PCATCH(gCVfrVarDataTypeDB.SetNewTypeName (N1->getText()), N1); >>\r
   }\r
   OpenBrace\r
-    vfrDataStructFields\r
+    vfrDataStructFields[FALSE]\r
   CloseBrace\r
   {\r
     N2:StringIdentifier                             << _PCATCH(gCVfrVarDataTypeDB.SetNewTypeName (N2->getText()), N2); >>\r
@@ -335,42 +352,46 @@ vfrDataStructDefinition :
   ";"                                               << gCVfrVarDataTypeDB.DeclareDataTypeEnd (); >>\r
   ;\r
 \r
-vfrDataStructFields :\r
+vfrDataStructFields [BOOLEAN  FieldInUnion]:\r
   (\r
-     dataStructField64     |\r
-     dataStructField32     |\r
-     dataStructField16     |\r
-     dataStructField8      |\r
-     dataStructFieldBool   |\r
-     dataStructFieldString |\r
-     dataStructFieldDate   |\r
-     dataStructFieldTime   |\r
-     dataStructFieldRef    |\r
-     dataStructFieldUser\r
+     dataStructField64 [FieldInUnion]    |\r
+     dataStructField32 [FieldInUnion]    |\r
+     dataStructField16 [FieldInUnion]    |\r
+     dataStructField8  [FieldInUnion]    |\r
+     dataStructFieldBool [FieldInUnion]  |\r
+     dataStructFieldString [FieldInUnion]|\r
+     dataStructFieldDate  [FieldInUnion] |\r
+     dataStructFieldTime  [FieldInUnion] |\r
+     dataStructFieldRef   [FieldInUnion] |\r
+     dataStructFieldUser  [FieldInUnion] |\r
+     dataStructBitField64 [FieldInUnion] |\r
+     dataStructBitField32 [FieldInUnion] |\r
+     dataStructBitField16 [FieldInUnion] |\r
+     dataStructBitField8  [FieldInUnion]\r
   )*\r
   ;\r
 \r
-dataStructField64 :\r
+dataStructField64 [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   D:"UINT64"\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructField32 :\r
+dataStructField32 [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   D:"UINT32"\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructField16 :\r
+dataStructField16 [BOOLEAN  FieldInUnion]:\r
   << \r
     UINT32 ArrayNum = 0; \r
   >>\r
@@ -379,77 +400,154 @@ dataStructField16 :
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), (CHAR8 *) "UINT16", ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), (CHAR8 *) "UINT16", ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructField8 :\r
+dataStructField8 [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   D:"UINT8"\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructFieldBool :\r
+dataStructFieldBool [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   D:"BOOLEAN"\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructFieldString :\r
+dataStructFieldString [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   D:"EFI_STRING_ID"\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructFieldDate :\r
+dataStructFieldDate [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   D:"EFI_HII_DATE"\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructFieldTime :\r
+dataStructFieldTime [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   D:"EFI_HII_TIME"\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructFieldRef :\r
+dataStructFieldRef [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   D:"EFI_HII_REF"\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum), N); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), D->getText(), ArrayNum, FieldInUnion), N); >>\r
   ;\r
 \r
-dataStructFieldUser :\r
+dataStructFieldUser [BOOLEAN  FieldInUnion]:\r
   << UINT32 ArrayNum = 0; >>\r
   T:StringIdentifier\r
   N:StringIdentifier\r
   {\r
     OpenBracket I:Number CloseBracket               << ArrayNum = _STOU32(I->getText(), I->getLine()); >>\r
   }\r
-  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), T->getText(), ArrayNum), T); >>\r
+  ";"                                               << _PCATCH(gCVfrVarDataTypeDB.DataTypeAddField (N->getText(), T->getText(), ArrayNum, FieldInUnion), T); >>\r
+  ;\r
+\r
+dataStructBitField64[BOOLEAN  FieldInUnion]:\r
+  <<\r
+    UINT32 Width = 0;\r
+    BOOLEAN HasBitFieldName = FALSE;\r
+  >>\r
+  D:"UINT64"\r
+  {\r
+    N:StringIdentifier      << HasBitFieldName = TRUE;>>\r
+  }\r
+  ":" I:Number              << Width = _STOU32(I->getText(), I->getLine());>>\r
+\r
+  ";"                       << if (HasBitFieldName) {\r
+                                 _PCATCH(gCVfrVarDataTypeDB.DataTypeAddBitField (N->getText(), D->getText(), Width, FieldInUnion), N);\r
+                               } else {\r
+                                 _PCATCH(gCVfrVarDataTypeDB.DataTypeAddBitField (NULL, D->getText(), Width, FieldInUnion), D);\r
+                               }\r
+                            >>\r
+  ;\r
+\r
+dataStructBitField32[BOOLEAN  FieldInUnion]:\r
+  <<\r
+    UINT32 Width = 0;\r
+    BOOLEAN HasBitFieldName = FALSE;\r
+  >>\r
+  D:"UINT32"\r
+  {\r
+    N:StringIdentifier      << HasBitFieldName = TRUE;>>\r
+  }\r
+\r
+  ":" I:Number              << Width = _STOU32(I->getText(), I->getLine());>>\r
+\r
+  ";"                       << if (HasBitFieldName) {\r
+                                 _PCATCH(gCVfrVarDataTypeDB.DataTypeAddBitField (N->getText(), D->getText(), Width, FieldInUnion), N);\r
+                               } else {\r
+                                 _PCATCH(gCVfrVarDataTypeDB.DataTypeAddBitField (NULL, D->getText(), Width, FieldInUnion), D);\r
+                               }\r
+                            >>\r
+  ;\r
+\r
+dataStructBitField16[BOOLEAN  FieldInUnion]:\r
+  <<\r
+    UINT32 Width = 0;\r
+    BOOLEAN HasBitFieldName = FALSE;\r
+  >>\r
+  D:"UINT16"\r
+  {\r
+    N:StringIdentifier      << HasBitFieldName = TRUE;>>\r
+  }\r
+  ":" I:Number              << Width = _STOU32(I->getText(), I->getLine());>>\r
+\r
+  ";"                       << if (HasBitFieldName) {\r
+                                 _PCATCH(gCVfrVarDataTypeDB.DataTypeAddBitField (N->getText(), D->getText(), Width, FieldInUnion), N);\r
+                               } else {\r
+                                 _PCATCH(gCVfrVarDataTypeDB.DataTypeAddBitField (NULL, D->getText(), Width, FieldInUnion), D);\r
+                               }\r
+                            >>\r
+  ;\r
+\r
+dataStructBitField8[BOOLEAN  FieldInUnion]:\r
+  <<\r
+    UINT32 Width = 0;\r
+    BOOLEAN  HasBitFieldName = FALSE;\r
+  >>\r
+  D:"UINT8"\r
+  {\r
+    N:StringIdentifier      << HasBitFieldName = TRUE;>>\r
+  }\r
+  ":" I:Number              << Width = _STOU32(I->getText(), I->getLine());>>\r
+\r
+  ";"                       << if (HasBitFieldName) {\r
+                                 _PCATCH(gCVfrVarDataTypeDB.DataTypeAddBitField (N->getText(), D->getText(), Width, FieldInUnion), N);\r
+                               } else {\r
+                                 _PCATCH(gCVfrVarDataTypeDB.DataTypeAddBitField (NULL, D->getText(), Width, FieldInUnion), D);\r
+                               }\r
+                            >>\r
   ;\r
 \r
 //*****************************************************************************\r
@@ -734,6 +832,11 @@ vfrExtensionData[UINT8 *DataBuff, UINT32 Size, CHAR8 *TypeName, UINT32 TypeSize,
      EFI_STRING_ID Data_SID = 0;\r
      BOOLEAN  IsArray = FALSE;\r
      UINT8    *ByteOffset = NULL;\r
+     BOOLEAN  BitField = FALSE;\r
+     UINT64   Value;\r
+     UINT64   Mask;\r
+     UINT16   Offset;\r
+     UINT8    PreBits;\r
   >>\r
 (\r
   ("," "data" {OpenBracket IDX1:Number CloseBracket <<IsArray = TRUE;>>}\r
@@ -790,23 +893,69 @@ vfrExtensionData[UINT8 *DataBuff, UINT32 Size, CHAR8 *TypeName, UINT32 TypeSize,
                 memcpy (ByteOffset, &Data_SID, TypeSize);                                                    \r
               }\r
             } else {\r
-              gCVfrVarDataTypeDB.GetDataFieldInfo(TFName, FieldOffset, FieldType, FieldSize);\r
+              gCVfrVarDataTypeDB.GetDataFieldInfo(TFName, FieldOffset, FieldType, FieldSize, BitField);\r
+              if (BitField) {\r
+                Mask = (1 << FieldSize) - 1;\r
+                Offset = FieldOffset / 8;\r
+                PreBits = FieldOffset % 8;\r
+                Mask <<= PreBits;\r
+              }\r
               switch (FieldType) {\r
               case EFI_IFR_TYPE_NUM_SIZE_8:\r
                  Data_U8 = _STOU8(RD->getText(), RD->getLine());\r
-                 memcpy (ByteOffset + FieldOffset, &Data_U8, FieldSize);\r
+                 if (BitField) {\r
+                   //\r
+                   // Set the value to the bit fileds.\r
+                   //\r
+                   Value = *(UINT8*) (ByteOffset + Offset);\r
+                   Data_U8 <<= PreBits;\r
+                   Value = (Value & (~Mask)) | Data_U8;\r
+                   memcpy (ByteOffset + Offset, &Value, sizeof (UINT8));\r
+                 } else {\r
+                   memcpy (ByteOffset + FieldOffset, &Data_U8, FieldSize);\r
+                 }\r
                  break;\r
               case EFI_IFR_TYPE_NUM_SIZE_16:\r
                  Data_U16 = _STOU16(RD->getText(), RD->getLine());\r
-                 memcpy (ByteOffset + FieldOffset, &Data_U16, FieldSize);\r
+                 if (BitField) {\r
+                   //\r
+                   // Set the value to the bit fileds.\r
+                   //\r
+                   Value = *(UINT16*) (ByteOffset + Offset);\r
+                   Data_U16 <<= PreBits;\r
+                   Value = (Value & (~Mask)) | Data_U16;\r
+                   memcpy (ByteOffset + Offset, &Value, sizeof (UINT16));\r
+                 } else {\r
+                   memcpy (ByteOffset + FieldOffset, &Data_U16, FieldSize);\r
+                 }\r
                  break;\r
               case EFI_IFR_TYPE_NUM_SIZE_32:\r
                  Data_U32 = _STOU32(RD->getText(), RD->getLine());\r
-                 memcpy (ByteOffset + FieldOffset, &Data_U32, FieldSize);\r
+                 if (BitField) {\r
+                   //\r
+                   // Set the value to the bit fileds.\r
+                   //\r
+                   Value = *(UINT32*) (ByteOffset + Offset);\r
+                   Data_U32 <<= PreBits;\r
+                   Value = (Value & (~Mask)) | Data_U32;\r
+                   memcpy (ByteOffset + Offset, &Value, sizeof (UINT32));\r
+                 } else {\r
+                   memcpy (ByteOffset + FieldOffset, &Data_U32, FieldSize);\r
+                 }\r
                  break;\r
               case EFI_IFR_TYPE_NUM_SIZE_64:\r
                  Data_U64 = _STOU64(RD->getText(), RD->getLine());\r
-                 memcpy (ByteOffset + FieldOffset, &Data_U64, FieldSize);\r
+                 if (BitField) {\r
+                   //\r
+                   // Set the value to the bit fileds.\r
+                   //\r
+                   Value = *(UINT64*) (ByteOffset + Offset);\r
+                   Data_U64 <<= PreBits;\r
+                   Value = (Value & (~Mask)) | Data_U64;\r
+                   memcpy (ByteOffset + Offset, &Value, sizeof (UINT64));\r
+                 } else {\r
+                   memcpy (ByteOffset + FieldOffset, &Data_U64, FieldSize);\r
+                 }\r
                  break;\r
               case EFI_IFR_TYPE_BOOLEAN:\r
                  Data_BL = _STOU8(RD->getText(), RD->getLine());\r
@@ -837,7 +986,7 @@ vfrStatementDefaultStore :
                                                     <<\r
                                                        if (gCVfrDefaultStore.DefaultIdRegistered (DefaultId) == FALSE) {\r
                                                          CIfrDefaultStore DSObj;\r
-                                                         _PCATCH(gCVfrDefaultStore.RegisterDefaultStore (DSObj.GetObjBinAddr(), N->getText(), _STOSID(S->getText(), S->getLine()), DefaultId)), D->getLine();\r
+                                                         _PCATCH(gCVfrDefaultStore.RegisterDefaultStore (DSObj.GetObjBinAddr<CHAR8>(), N->getText(), _STOSID(S->getText(), S->getLine()), DefaultId)), D->getLine();\r
                                                          DSObj.SetLineNo(D->getLine());\r
                                                          DSObj.SetDefaultName (_STOSID(S->getText(), S->getLine()));\r
                                                          DSObj.SetDefaultId (DefaultId);\r
@@ -857,10 +1006,11 @@ vfrStatementVarStoreLinear :
      UINT32          LineNum;\r
      EFI_VARSTORE_ID VarStoreId = EFI_VARSTORE_ID_INVALID;\r
      UINT32          Size;\r
+     BOOLEAN         IsBitVarStore = FALSE;\r
   >>\r
   V:Varstore                                        << VSObj.SetLineNo(V->getLine()); >>\r
   (\r
-      TN:StringIdentifier ","                       << TypeName = TN->getText(); LineNum = TN->getLine(); >>\r
+      TN:StringIdentifier ","                       << TypeName = TN->getText(); LineNum = TN->getLine(); IsBitVarStore = gCVfrVarDataTypeDB.DataTypeHasBitField (TN->getText());>>\r
     | U8:"UINT8" ","                                << TypeName = U8->getText(); LineNum = U8->getLine(); >>\r
     | U16:"UINT16" ","                              << TypeName = U16->getText(); LineNum = U16->getLine(); >>\r
     | C16:"CHAR16" ","                              << TypeName = (CHAR8 *) "UINT16"; LineNum = C16->getLine(); >>\r
@@ -895,12 +1045,13 @@ vfrStatementVarStoreLinear :
                                                          StoreName = SN->getText();\r
                                                        }\r
                                                        _PCATCH(gCVfrDataStorage.DeclareBufferVarStore (\r
-                                                                                  StoreName,\r
-                                                                                  &Guid,\r
-                                                                                  &gCVfrVarDataTypeDB,\r
-                                                                                  TypeName,\r
-                                                                                  VarStoreId\r
-                                                                                  ), LineNum);\r
+                                                                                StoreName,\r
+                                                                                &Guid,\r
+                                                                                &gCVfrVarDataTypeDB,\r
+                                                                                TypeName,\r
+                                                                                VarStoreId,\r
+                                                                                IsBitVarStore\r
+                                                                                ), LineNum);\r
                                                        VSObj.SetGuid (&Guid);\r
                                                        _PCATCH(gCVfrDataStorage.GetVarStoreId(StoreName, &VarStoreId, &Guid), SN);\r
                                                        VSObj.SetVarStoreId (VarStoreId);\r
@@ -923,10 +1074,11 @@ vfrStatementVarStoreEfi :
      UINT32          LineNum;\r
      CHAR8           *StoreName = NULL;\r
      BOOLEAN         CustomizedName = FALSE;\r
+     BOOLEAN         IsBitVarStore = FALSE;\r
   >>\r
   E:Efivarstore                                     << VSEObj.SetLineNo(E->getLine()); >>\r
   (\r
-      TN:StringIdentifier ","                       << TypeName = TN->getText(); LineNum = TN->getLine(); CustomizedName = TRUE; >>\r
+      TN:StringIdentifier ","                       << TypeName = TN->getText(); LineNum = TN->getLine(); CustomizedName = TRUE; IsBitVarStore = gCVfrVarDataTypeDB.DataTypeHasBitField (TN->getText());>>\r
     | U8:"UINT8" ","                                << TypeName = U8->getText(); LineNum = U8->getLine(); >>\r
     | U16:"UINT16" ","                              << TypeName = U16->getText(); LineNum = U16->getLine(); >>\r
     | C16:"CHAR16" ","                              << TypeName = (CHAR8 *) "UINT16"; LineNum = C16->getLine(); >>\r
@@ -987,26 +1139,28 @@ vfrStatementVarStoreEfi :
   Uuid "=" guidDefinition[Guid]                     << \r
                                                        if (IsUEFI23EfiVarstore) {\r
                                                        _PCATCH(gCVfrDataStorage.DeclareBufferVarStore (\r
-                                                                                  StoreName,\r
-                                                                                  &Guid,\r
-                                                                                  &gCVfrVarDataTypeDB,\r
-                                                                                  TypeName,\r
-                                                                                  VarStoreId\r
-                                                                                  ), LineNum);                                                        \r
+                                                                                    StoreName,\r
+                                                                                    &Guid,\r
+                                                                                    &gCVfrVarDataTypeDB,\r
+                                                                                    TypeName,\r
+                                                                                    VarStoreId,\r
+                                                                                    IsBitVarStore\r
+                                                                                    ), LineNum);\r
                                                          _PCATCH(gCVfrDataStorage.GetVarStoreId(StoreName, &VarStoreId, &Guid), SN);\r
                                                          _PCATCH(gCVfrVarDataTypeDB.GetDataTypeSize(TypeName, &Size), LineNum);\r
                                                        } else {\r
-                                                        _PCATCH(gCVfrDataStorage.DeclareBufferVarStore (\r
+                                                       _PCATCH(gCVfrDataStorage.DeclareBufferVarStore (\r
                                                                                   TN->getText(),\r
                                                                                   &Guid,\r
                                                                                   &gCVfrVarDataTypeDB,\r
                                                                                   TypeName,\r
-                                                                                  VarStoreId\r
-                                                                                  ), LineNum);                                                      \r
+                                                                                  VarStoreId,\r
+                                                                                  FALSE\r
+                                                                                  ), LineNum);\r
                                                          _PCATCH(gCVfrDataStorage.GetVarStoreId(TN->getText(), &VarStoreId, &Guid), VN);\r
                                                          _PCATCH(gCVfrVarDataTypeDB.GetDataTypeSize(TypeName, &Size), N->getLine());\r
                                                        }\r
-                                                       VSEObj.SetGuid (&Guid);                                                       \r
+                                                       VSEObj.SetGuid (&Guid);\r
                                                        VSEObj.SetVarStoreId (VarStoreId);\r
                                                        \r
                                                        VSEObj.SetSize ((UINT16) Size);\r
@@ -1124,6 +1278,58 @@ vfrStatementHeader[CIfrStatementHeader *SHObj] :
   Help   "=" "STRING_TOKEN" "\(" S2:Number "\)"     << $SHObj->SetHelp (_STOSID(S2->getText(), S2->getLine())); >>\r
   ;\r
 \r
+vfrQuestionBaseInfo[EFI_VARSTORE_INFO & Info, EFI_QUESTION_ID & QId, EFI_QUESION_TYPE QType = QUESTION_NORMAL]:\r
+ <<\r
+    CHAR8             *QName    = NULL;\r
+    CHAR8             *VarIdStr = NULL;\r
+    mUsedDefaultCount           = 0;\r
+ >>\r
+ {\r
+   Name "=" QN:StringIdentifier ","                <<\r
+                                                      QName = QN->getText();\r
+                                                      _PCATCH(mCVfrQuestionDB.FindQuestion (QName), VFR_RETURN_UNDEFINED, QN, "has already been used please used anther name");\r
+                                                   >>\r
+ }\r
+ { V:VarId "=" vfrStorageVarId[Info, VarIdStr] "," }\r
+ {\r
+   QuestionId "=" ID:Number ","                    <<\r
+                                                      QId = _STOQID(ID->getText(), ID->getLine());\r
+                                                      _PCATCH(mCVfrQuestionDB.FindQuestion (QId), VFR_RETURN_UNDEFINED, ID, "has already been used please assign another number");\r
+                                                   >>\r
+ }\r
+                                                   <<\r
+                                                      switch (QType) {\r
+                                                      case QUESTION_NORMAL:\r
+                                                        mCVfrQuestionDB.RegisterQuestion (QName, VarIdStr, QId);\r
+                                                        break;\r
+                                                      case QUESTION_DATE:\r
+                                                        mCVfrQuestionDB.RegisterNewDateQuestion (QName, VarIdStr, QId);\r
+                                                        break;\r
+                                                      case QUESTION_TIME:\r
+                                                        mCVfrQuestionDB.RegisterNewTimeQuestion (QName, VarIdStr, QId);\r
+                                                        break;\r
+                                                      case QUESTION_REF:\r
+                                                        //\r
+                                                        // VarIdStr != NULL stand for question with storagae.\r
+                                                        //\r
+                                                        if (VarIdStr != NULL) {\r
+                                                          mCVfrQuestionDB.RegisterRefQuestion (QName, VarIdStr, QId);\r
+                                                        } else {\r
+                                                          mCVfrQuestionDB.RegisterQuestion (QName, NULL, QId);\r
+                                                        }\r
+                                                        break;\r
+                                                      default:\r
+                                                      _PCATCH(VFR_RETURN_FATAL_ERROR);\r
+                                                      }\r
+                                                   >>\r
+                                                   <<\r
+                                                      if (VarIdStr != NULL) {\r
+                                                        delete VarIdStr;\r
+                                                      }\r
+                                                      _SAVE_CURRQEST_VARINFO (Info);\r
+                                                   >>\r
+  ;\r
+\r
 vfrQuestionHeader[CIfrQuestionHeader & QHObj, EFI_QUESION_TYPE QType = QUESTION_NORMAL]:\r
   <<\r
      EFI_VARSTORE_INFO Info;\r
@@ -1131,60 +1337,16 @@ vfrQuestionHeader[CIfrQuestionHeader & QHObj, EFI_QUESION_TYPE QType = QUESTION_
      Info.mVarTotalSize          = 0;\r
      Info.mInfo.mVarOffset       = EFI_VAROFFSET_INVALID;\r
      Info.mVarStoreId            = EFI_VARSTORE_ID_INVALID;\r
+     Info.mIsBitVar              = FALSE;\r
      EFI_QUESTION_ID   QId       = EFI_QUESTION_ID_INVALID;\r
-     CHAR8             *QName    = NULL;\r
-     CHAR8             *VarIdStr = NULL;\r
-     mUsedDefaultCount           = 0;\r
   >>\r
-  {\r
-    Name "=" QN:StringIdentifier ","                <<\r
-                                                       QName = QN->getText();\r
-                                                       _PCATCH(mCVfrQuestionDB.FindQuestion (QName), VFR_RETURN_UNDEFINED, QN, "has already been used please used anther name");\r
-                                                    >>\r
-  }\r
-  { V:VarId "=" vfrStorageVarId[Info, VarIdStr] "," }\r
-  {\r
-    QuestionId "=" ID:Number ","                    <<\r
-                                                       QId = _STOQID(ID->getText(), ID->getLine());\r
-                                                       _PCATCH(mCVfrQuestionDB.FindQuestion (QId), VFR_RETURN_UNDEFINED, ID, "has already been used please assign another number");\r
-                                                    >>\r
-  }\r
-                                                    <<\r
-                                                       switch (QType) {\r
-                                                       case QUESTION_NORMAL:\r
-                                                         mCVfrQuestionDB.RegisterQuestion (QName, VarIdStr, QId);\r
-                                                         break;\r
-                                                       case QUESTION_DATE:\r
-                                                         mCVfrQuestionDB.RegisterNewDateQuestion (QName, VarIdStr, QId);\r
-                                                         break;\r
-                                                       case QUESTION_TIME:\r
-                                                         mCVfrQuestionDB.RegisterNewTimeQuestion (QName, VarIdStr, QId);\r
-                                                         break;\r
-                                                       case QUESTION_REF:\r
-                                                         //\r
-                                                         // VarIdStr != NULL stand for question with storagae.\r
-                                                         //\r
-                                                         if (VarIdStr != NULL) {\r
-                                                           mCVfrQuestionDB.RegisterRefQuestion (QName, VarIdStr, QId);\r
-                                                         } else {\r
-                                                           mCVfrQuestionDB.RegisterQuestion (QName, NULL, QId);\r
-                                                         }\r
-                                                         break;\r
-                                                       default:\r
-                                                       _PCATCH(VFR_RETURN_FATAL_ERROR);\r
-                                                       }\r
-                                                       $QHObj.SetQuestionId (QId);\r
-                                                       if (VarIdStr != NULL) {\r
-                                                        $QHObj.SetVarStoreInfo (&Info);\r
-                                                       }\r
+  vfrQuestionBaseInfo[Info, QId, QType]\r
+                                                    << $QHObj.SetQuestionId (QId);\r
+                                                        if (Info.mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
+                                                          $QHObj.SetVarStoreInfo (&Info);\r
+                                                        }\r
                                                     >>\r
   vfrStatementHeader[&$QHObj]\r
-                                                    << \r
-                                                       if (VarIdStr != NULL) {\r
-                                                         delete VarIdStr; \r
-                                                       }\r
-                                                       _SAVE_CURRQEST_VARINFO (Info);\r
-                                                    >>\r
   ;\r
 \r
 questionheaderFlagsField[UINT8 & Flags] :\r
@@ -1253,6 +1415,7 @@ vfrStorageVarId[EFI_VARSTORE_INFO & Info, CHAR8 *&QuestVarIdStr, BOOLEAN CheckFl
                                                                              &gCVfrVarDataTypeDB,\r
                                                                              SName,\r
                                                                              EFI_VARSTORE_ID_INVALID,\r
+                                                                             FALSE,\r
                                                                              FALSE\r
                                                                              );\r
                                                           VfrReturnCode = gCVfrDataStorage.GetVarStoreId(SName, &$Info.mVarStoreId, &mFormsetGuid);\r
@@ -1284,7 +1447,7 @@ vfrStorageVarId[EFI_VARSTORE_INFO & Info, CHAR8 *&QuestVarIdStr, BOOLEAN CheckFl
                                                        if (CheckFlag || VfrReturnCode == VFR_RETURN_SUCCESS) {\r
                                                          _PCATCH(VfrReturnCode, SN2);\r
                                                          VarStoreType = gCVfrDataStorage.GetVarStoreType ($Info.mVarStoreId);\r
-                                                         if (VarStoreType == EFI_VFR_VARSTORE_BUFFER) {\r
+                                                         if (VarStoreType == EFI_VFR_VARSTORE_BUFFER || VarStoreType == EFI_VFR_VARSTORE_BUFFER_BITS) {\r
                                                            _PCATCH(gCVfrDataStorage.GetBufferVarStoreDataTypeName(Info.mVarStoreId, &TName), SN2);\r
                                                            _STRCAT(&VarStr, TName);\r
                                                          }\r
@@ -1294,7 +1457,7 @@ vfrStorageVarId[EFI_VARSTORE_INFO & Info, CHAR8 *&QuestVarIdStr, BOOLEAN CheckFl
     (\r
       "."                                           <<\r
                                                        if (CheckFlag || VfrReturnCode == VFR_RETURN_SUCCESS) {\r
-                                                         _PCATCH(((VarStoreType != EFI_VFR_VARSTORE_BUFFER) ? VFR_RETURN_EFIVARSTORE_USE_ERROR : VFR_RETURN_SUCCESS), SN2);\r
+                                                         _PCATCH((((VarStoreType != EFI_VFR_VARSTORE_BUFFER) && (VarStoreType != EFI_VFR_VARSTORE_BUFFER_BITS))? VFR_RETURN_EFIVARSTORE_USE_ERROR : VFR_RETURN_SUCCESS), SN2);\r
                                                        }\r
                                                        _STRCAT(&VarIdStr, "."); _STRCAT(&VarStr, ".");\r
                                                     >>\r
@@ -1323,7 +1486,8 @@ vfrStorageVarId[EFI_VARSTORE_INFO & Info, CHAR8 *&QuestVarIdStr, BOOLEAN CheckFl
                                                          _PCATCH(gCVfrDataStorage.GetEfiVarStoreInfo (&$Info), SN2);\r
                                                          break;\r
                                                        case EFI_VFR_VARSTORE_BUFFER:\r
-                                                         _PCATCH(gCVfrVarDataTypeDB.GetDataFieldInfo (VarStr, $Info.mInfo.mVarOffset, $Info.mVarType, $Info.mVarTotalSize), SN2->getLine(), VarStr);\r
+                                                       case EFI_VFR_VARSTORE_BUFFER_BITS:\r
+                                                         _PCATCH(gCVfrVarDataTypeDB.GetDataFieldInfo (VarStr, $Info.mInfo.mVarOffset, $Info.mVarType, $Info.mVarTotalSize, $Info.mIsBitVar), SN2->getLine(), VarStr);\r
                                                          VarGuid = gCVfrDataStorage.GetVarStoreGuid($Info.mVarStoreId);\r
                                                          _PCATCH((EFI_VFR_RETURN_CODE)gCVfrBufferConfig.Register (\r
                                                                     SName,\r
@@ -1421,86 +1585,93 @@ vfrConstantValueField[UINT8 Type, EFI_IFR_TYPE_VALUE &Value, BOOLEAN &ListType]
       "\-"                                          << Negative = TRUE;  >>\r
     }\r
     N1:Number                                       <<\r
-                                                       switch ($Type) {\r
-                                                       case EFI_IFR_TYPE_NUM_SIZE_8 :\r
-                                                         $Value.u8 = _STOU8(N1->getText(), N1->getLine());\r
-                                                         if (IntDecStyle) {\r
-                                                           if (Negative) {\r
-                                                             if ($Value.u8 > 0x80) {\r
-                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT8 type can't big than 0x7F, small than -0x80");\r
-                                                             }\r
-                                                           } else {\r
-                                                             if ($Value.u8 > 0x7F) {\r
-                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT8 type can't big than 0x7F, small than -0x80");\r
+                                                       //\r
+                                                       // The value stored in bit fields is always set to UINT32 type.\r
+                                                       //\r
+                                                       if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                         $Value.u32 = _STOU32(N1->getText(), N1->getLine());\r
+                                                       } else {\r
+                                                         switch ($Type) {\r
+                                                         case EFI_IFR_TYPE_NUM_SIZE_8 :\r
+                                                           $Value.u8 = _STOU8(N1->getText(), N1->getLine());\r
+                                                           if (IntDecStyle) {\r
+                                                             if (Negative) {\r
+                                                               if ($Value.u8 > 0x80) {\r
+                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT8 type can't big than 0x7F, small than -0x80");\r
+                                                               }\r
+                                                             } else {\r
+                                                               if ($Value.u8 > 0x7F) {\r
+                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT8 type can't big than 0x7F, small than -0x80");\r
+                                                               }\r
                                                              }\r
                                                            }\r
-                                                         }\r
-                                                         if (Negative) {\r
-                                                           $Value.u8 = ~$Value.u8 + 1;\r
-                                                         }\r
-                                                       break;\r
-                                                       case EFI_IFR_TYPE_NUM_SIZE_16 :\r
-                                                         $Value.u16 = _STOU16(N1->getText(), N1->getLine());\r
-                                                         if (IntDecStyle) {\r
                                                            if (Negative) {\r
-                                                             if ($Value.u16 > 0x8000) {\r
-                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT16 type can't big than 0x7FFF, small than -0x8000");\r
-                                                             }\r
-                                                           } else {\r
-                                                             if ($Value.u16 > 0x7FFF) {\r
-                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT16 type can't big than 0x7FFF, small than -0x8000");\r
+                                                             $Value.u8 = ~$Value.u8 + 1;\r
+                                                           }\r
+                                                         break;\r
+                                                         case EFI_IFR_TYPE_NUM_SIZE_16 :\r
+                                                           $Value.u16 = _STOU16(N1->getText(), N1->getLine());\r
+                                                           if (IntDecStyle) {\r
+                                                             if (Negative) {\r
+                                                               if ($Value.u16 > 0x8000) {\r
+                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT16 type can't big than 0x7FFF, small than -0x8000");\r
+                                                               }\r
+                                                             } else {\r
+                                                               if ($Value.u16 > 0x7FFF) {\r
+                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT16 type can't big than 0x7FFF, small than -0x8000");\r
+                                                               }\r
                                                              }\r
                                                            }\r
-                                                         }\r
-                                                         if (Negative) {\r
-                                                           $Value.u16 = ~$Value.u16 + 1;\r
-                                                         }\r
-                                                       break;\r
-                                                       case EFI_IFR_TYPE_NUM_SIZE_32 :\r
-                                                         $Value.u32    = _STOU32(N1->getText(), N1->getLine());\r
-                                                         if (IntDecStyle) {\r
                                                            if (Negative) {\r
-                                                             if ($Value.u32 > 0x80000000) {\r
-                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT32 type can't big than 0x7FFFFFFF, small than -0x80000000");\r
-                                                             }\r
-                                                           } else {\r
-                                                             if ($Value.u32 > 0X7FFFFFFF) {\r
-                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT32 type can't big than 0x7FFFFFFF, small than -0x80000000");\r
+                                                             $Value.u16 = ~$Value.u16 + 1;\r
+                                                           }\r
+                                                         break;\r
+                                                         case EFI_IFR_TYPE_NUM_SIZE_32 :\r
+                                                           $Value.u32    = _STOU32(N1->getText(), N1->getLine());\r
+                                                           if (IntDecStyle) {\r
+                                                             if (Negative) {\r
+                                                               if ($Value.u32 > 0x80000000) {\r
+                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT32 type can't big than 0x7FFFFFFF, small than -0x80000000");\r
+                                                               }\r
+                                                             } else {\r
+                                                               if ($Value.u32 > 0X7FFFFFFF) {\r
+                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT32 type can't big than 0x7FFFFFFF, small than -0x80000000");\r
+                                                               }\r
                                                              }\r
                                                            }\r
-                                                         }\r
-                                                         if (Negative) {\r
-                                                           $Value.u32 = ~$Value.u32 + 1;\r
-                                                         }\r
-                                                       break;\r
-                                                       case EFI_IFR_TYPE_NUM_SIZE_64 :\r
-                                                         $Value.u64    = _STOU64(N1->getText(), N1->getLine());\r
-                                                         if (IntDecStyle) {\r
                                                            if (Negative) {\r
-                                                             if ($Value.u64 > 0x8000000000000000) {\r
-                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT64 type can't big than 0x7FFFFFFFFFFFFFFF, small than -0x8000000000000000");\r
-                                                             }\r
-                                                           } else {\r
-                                                             if ($Value.u64 > 0x7FFFFFFFFFFFFFFF) {\r
-                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT64 type can't big than 0x7FFFFFFFFFFFFFFF, small than -0x8000000000000000");\r
+                                                             $Value.u32 = ~$Value.u32 + 1;\r
+                                                           }\r
+                                                         break;\r
+                                                         case EFI_IFR_TYPE_NUM_SIZE_64 :\r
+                                                           $Value.u64    = _STOU64(N1->getText(), N1->getLine());\r
+                                                           if (IntDecStyle) {\r
+                                                             if (Negative) {\r
+                                                               if ($Value.u64 > 0x8000000000000000) {\r
+                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT64 type can't big than 0x7FFFFFFFFFFFFFFF, small than -0x8000000000000000");\r
+                                                               }\r
+                                                             } else {\r
+                                                               if ($Value.u64 > 0x7FFFFFFFFFFFFFFF) {\r
+                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, N1->getLine(), "INT64 type can't big than 0x7FFFFFFFFFFFFFFF, small than -0x8000000000000000");\r
+                                                               }\r
                                                              }\r
                                                            }\r
+                                                           if (Negative) {\r
+                                                             $Value.u64 = ~$Value.u64 + 1;\r
+                                                           }\r
+                                                         break;\r
+                                                         case EFI_IFR_TYPE_BOOLEAN :\r
+                                                           $Value.b      = _STOU8(N1->getText(), N1->getLine());\r
+                                                         break;\r
+                                                         case EFI_IFR_TYPE_STRING :\r
+                                                           $Value.string = _STOU16(N1->getText(), N1->getLine());\r
+                                                         break;\r
+                                                         case EFI_IFR_TYPE_TIME :\r
+                                                         case EFI_IFR_TYPE_DATE :\r
+                                                         case EFI_IFR_TYPE_REF  :\r
+                                                         default :\r
+                                                         break;\r
                                                          }\r
-                                                         if (Negative) {\r
-                                                           $Value.u64 = ~$Value.u64 + 1;\r
-                                                         }\r
-                                                       break;\r
-                                                       case EFI_IFR_TYPE_BOOLEAN :\r
-                                                         $Value.b      = _STOU8(N1->getText(), N1->getLine());\r
-                                                       break;\r
-                                                       case EFI_IFR_TYPE_STRING :\r
-                                                         $Value.string = _STOU16(N1->getText(), N1->getLine());\r
-                                                       break;\r
-                                                       case EFI_IFR_TYPE_TIME :\r
-                                                       case EFI_IFR_TYPE_DATE :\r
-                                                       case EFI_IFR_TYPE_REF  :\r
-                                                       default :\r
-                                                       break;\r
                                                        }\r
                                                     >>\r
   | B1:True                                         << $Value.b      = TRUE; >>\r
@@ -1599,7 +1770,7 @@ vfrFormDefinition :
                                                         LObj3.SetNumber (0xffff);  //add end label for UEFI, label number hardcode 0xffff\r
                                                       }\r
 \r
-                                                      {CIfrEnd EObj; EObj.SetLineNo (E->getLine()); mLastFormEndAddr = EObj.GetObjBinAddr (); gAdjustOpcodeOffset = EObj.GetObjBinOffset ();}\r
+                                                      {CIfrEnd EObj; EObj.SetLineNo (E->getLine()); mLastFormEndAddr = EObj.GetObjBinAddr<CHAR8>(); gAdjustOpcodeOffset = EObj.GetObjBinOffset ();}\r
                                                     >>\r
   ";"\r
   ;\r
@@ -1674,29 +1845,29 @@ vfrStatementDefault :
                                                         if (gCurrentMinMaxData != NULL && gCurrentMinMaxData->IsNumericOpcode()) {\r
                                                           //check default value is valid for Numeric Opcode\r
                                                           NumericQst = (CIfrNumeric *) gCurrentQuestion;\r
-                                                          if ((NumericQst->GetNumericFlags() & EFI_IFR_DISPLAY) == 0) {\r
+                                                          if ((NumericQst->GetNumericFlags() & EFI_IFR_DISPLAY) == 0 && !(_GET_CURRQEST_VARTINFO().mIsBitVar)) {\r
                                                             switch (_GET_CURRQEST_DATATYPE()) {\r
                                                             case EFI_IFR_TYPE_NUM_SIZE_8:\r
-                                                              if (((INT8) Val->u8 < (INT8) gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE())) || \r
-                                                                  ((INT8) Val->u8 > (INT8) gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE()))) {\r
+                                                              if (((INT8) Val->u8 < (INT8) gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE(), FALSE)) ||\r
+                                                                  ((INT8) Val->u8 > (INT8) gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE(), FALSE))) {\r
                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, D->getLine(), "Numeric default value must be between MinValue and MaxValue.");\r
                                                               }\r
                                                               break;\r
                                                             case EFI_IFR_TYPE_NUM_SIZE_16:\r
-                                                              if (((INT16) Val->u16 < (INT16) gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE())) || \r
-                                                                  ((INT16) Val->u16 > (INT16) gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE()))) {\r
+                                                              if (((INT16) Val->u16 < (INT16) gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE(), FALSE)) ||\r
+                                                                  ((INT16) Val->u16 > (INT16) gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE(), FALSE))) {\r
                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, D->getLine(), "Numeric default value must be between MinValue and MaxValue.");\r
                                                               }\r
                                                               break;\r
                                                             case EFI_IFR_TYPE_NUM_SIZE_32:\r
-                                                              if (((INT32) Val->u32 < (INT32) gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE())) || \r
-                                                                  ((INT32) Val->u32 > (INT32) gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE()))) {\r
+                                                              if (((INT32) Val->u32 < (INT32) gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE(), FALSE)) ||\r
+                                                                  ((INT32) Val->u32 > (INT32) gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE(), FALSE))) {\r
                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, D->getLine(), "Numeric default value must be between MinValue and MaxValue.");\r
                                                               }\r
                                                               break;\r
                                                             case EFI_IFR_TYPE_NUM_SIZE_64:\r
-                                                              if (((INT64) Val->u64 < (INT64) gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE())) || \r
-                                                                  ((INT64) Val->u64 > (INT64) gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE()))) {\r
+                                                              if (((INT64) Val->u64 < (INT64) gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE(), FALSE)) ||\r
+                                                                  ((INT64) Val->u64 > (INT64) gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE(), FALSE))) {\r
                                                                 _PCATCH (VFR_RETURN_INVALID_PARAMETER, D->getLine(), "Numeric default value must be between MinValue and MaxValue.");\r
                                                               }\r
                                                               break;\r
@@ -1704,8 +1875,17 @@ vfrStatementDefault :
                                                               break;\r
                                                             }\r
                                                           } else {\r
-                                                            if (Val->u64 < gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE()) || Val->u64 > gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE())) {\r
+                                                            //\r
+                                                            // Value for question stored in bit fields is always set to UINT32 type.\r
+                                                            //\r
+                                                            if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                              if (Val->u32 < gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE(), TRUE) || Val->u32 > gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE(), TRUE)) {\r
                                                               _PCATCH (VFR_RETURN_INVALID_PARAMETER, D->getLine(), "Numeric default value must be between MinValue and MaxValue.");\r
+                                                              }\r
+                                                            } else {\r
+                                                              if (Val->u64 < gCurrentMinMaxData->GetMinData(_GET_CURRQEST_DATATYPE(), FALSE) || Val->u64 > gCurrentMinMaxData->GetMaxData(_GET_CURRQEST_DATATYPE(), FALSE)) {\r
+                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, D->getLine(), "Numeric default value must be between MinValue and MaxValue.");\r
+                                                              }\r
                                                             }\r
                                                           }\r
                                                         }\r
@@ -1744,7 +1924,11 @@ vfrStatementDefault :
                                                               break;\r
                                                           }\r
                                                         } else {\r
-                                                          _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &Size), D->getLine());\r
+                                                          if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            Size = sizeof (UINT32);\r
+                                                          } else {\r
+                                                            _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &Size), D->getLine());\r
+                                                          }\r
                                                         }\r
                                                         Size += OFFSET_OF (EFI_IFR_DEFAULT, Value);\r
                                                         DObj = new CIfrDefault ((UINT8)Size);\r
@@ -1754,7 +1938,11 @@ vfrStatementDefault :
                                                         } else if (gIsStringOp) {\r
                                                           DObj->SetType (EFI_IFR_TYPE_STRING);\r
                                                         } else {\r
-                                                          DObj->SetType (_GET_CURRQEST_DATATYPE());\r
+                                                          if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            DObj->SetType (EFI_IFR_TYPE_NUM_SIZE_32);\r
+                                                          } else {\r
+                                                            DObj->SetType (_GET_CURRQEST_DATATYPE());\r
+                                                          }\r
                                                         }\r
                                                         DObj->SetValue(*Val);\r
                                                     >>\r
@@ -2161,35 +2349,68 @@ vfrStatementBooleanType :
 //\r
 vfrStatementCheckBox :\r
   <<\r
-     CIfrCheckBox       CBObj;\r
+     CIfrCheckBox       *CBObj = NULL;\r
      EFI_IFR_TYPE_VALUE Val = gZeroEfiIfrTypeValue;\r
      CHAR8              *VarStoreName = NULL;\r
      UINT32             DataTypeSize;\r
      EFI_GUID           *VarStoreGuid = NULL;\r
+     CIfrGuid           *GuidObj = NULL;\r
+     EFI_QUESTION_ID   QId = EFI_QUESTION_ID_INVALID;;\r
+     EFI_VARSTORE_INFO Info;\r
+     Info.mVarType          = EFI_IFR_TYPE_OTHER;\r
+     Info.mVarTotalSize     = 0;\r
+     Info.mInfo.mVarOffset  = EFI_VAROFFSET_INVALID;\r
+     Info.mVarStoreId       = EFI_VARSTORE_ID_INVALID;\r
+     Info.mIsBitVar         = FALSE;\r
   >>\r
-  L:CheckBox                                           << CBObj.SetLineNo(L->getLine()); >>\r
-  vfrQuestionHeader[CBObj] ","                         << //check data type\r
+  L:CheckBox\r
+  vfrQuestionBaseInfo[Info, QId]                       <<\r
+                                                         //\r
+                                                         // Create a GUID opcode to wrap the checkbox opcode, if it refer to bit varstore.\r
+                                                         //\r
+                                                         if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                           GuidObj = new CIfrGuid(0);\r
+                                                           GuidObj->SetGuid (&gEdkiiIfrBitVarGuid);\r
+                                                           GuidObj->SetLineNo(L->getLine());\r
+                                                         }\r
+                                                         CBObj = new CIfrCheckBox;\r
+                                                         CBObj->SetLineNo(L->getLine());\r
+                                                         CBObj->SetQuestionId (QId);\r
+                                                         CBObj->SetVarStoreInfo (&Info);\r
+                                                        >>\r
+  vfrStatementHeader[CBObj]","                           << //check data type\r
                                                           if (_GET_CURRQEST_DATATYPE() == EFI_IFR_TYPE_OTHER) {\r
                                                             _GET_CURRQEST_VARTINFO().mVarType = EFI_IFR_TYPE_BOOLEAN;\r
                                                           }\r
                                                           if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
-                                                            _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize), L->getLine(), "CheckBox varid is not the valid data type");\r
-                                                            if (DataTypeSize != 0 && DataTypeSize != _GET_CURRQEST_VARSIZE()) {\r
-                                                              _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "CheckBox varid doesn't support array");\r
-                                                            } else if ((gCVfrDataStorage.GetVarStoreType (_GET_CURRQEST_VARTINFO().mVarStoreId) == EFI_VFR_VARSTORE_BUFFER) &&\r
-                                                                      (_GET_CURRQEST_VARSIZE() != sizeof (BOOLEAN))) {\r
-                                                              _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "CheckBox varid only support BOOLEAN data type");\r
+                                                            //\r
+                                                            // Check whether the question refers to a bit field, if yes. create a Guid to indicate the question refers to a bit field.\r
+                                                            //\r
+                                                            if (_GET_CURRQEST_VARTINFO ().mIsBitVar) {\r
+                                                              _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize), L->getLine(), "CheckBox varid is not the valid data type");\r
+                                                              if ((gCVfrDataStorage.GetVarStoreType (_GET_CURRQEST_VARTINFO().mVarStoreId) == EFI_VFR_VARSTORE_BUFFER_BITS) &&\r
+                                                                  (_GET_CURRQEST_VARSIZE() != 1)) {\r
+                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "CheckBox varid only occupy 1 bit in Bit Varstore");\r
+                                                              }\r
+                                                            } else {\r
+                                                              _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize), L->getLine(), "CheckBox varid is not the valid data type");\r
+                                                              if (DataTypeSize != 0 && DataTypeSize != _GET_CURRQEST_VARSIZE()) {\r
+                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "CheckBox varid doesn't support array");\r
+                                                              } else if ((gCVfrDataStorage.GetVarStoreType (_GET_CURRQEST_VARTINFO().mVarStoreId) == EFI_VFR_VARSTORE_BUFFER) &&\r
+                                                                        (_GET_CURRQEST_VARSIZE() != sizeof (BOOLEAN))) {\r
+                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "CheckBox varid only support BOOLEAN data type");\r
+                                                              }\r
                                                             }\r
                                                           }\r
                                                        >>\r
   {\r
-    F:FLAGS "=" vfrCheckBoxFlags[CBObj, F->getLine()] ","\r
+    F:FLAGS "=" vfrCheckBoxFlags[*CBObj, F->getLine()] ","\r
                                                        <<\r
                                                          if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
                                                             _PCATCH(gCVfrDataStorage.GetVarStoreName (_GET_CURRQEST_VARTINFO().mVarStoreId, &VarStoreName), VFR_RETURN_SUCCESS, L, "Failed to retrieve varstore name");\r
                                                             VarStoreGuid = gCVfrDataStorage.GetVarStoreGuid(_GET_CURRQEST_VARTINFO().mVarStoreId);\r
                                                             Val.b = TRUE;\r
-                                                            if (CBObj.GetFlags () & 0x01) {\r
+                                                            if (CBObj->GetFlags () & 0x01) {\r
                                                               CheckDuplicateDefaultValue (EFI_HII_DEFAULT_CLASS_STANDARD, F);\r
                                                               _PCATCH(\r
                                                                 gCVfrDefaultStore.BufferVarStoreAltConfigAdd (\r
@@ -2205,7 +2426,7 @@ vfrStatementCheckBox :
                                                                 "No standard default storage found"\r
                                                                 );\r
                                                             }\r
-                                                            if (CBObj.GetFlags () & 0x02) {\r
+                                                            if (CBObj->GetFlags () & 0x02) {\r
                                                               CheckDuplicateDefaultValue (EFI_HII_DEFAULT_CLASS_MANUFACTURING, F);\r
                                                               _PCATCH(\r
                                                                 gCVfrDefaultStore.BufferVarStoreAltConfigAdd (\r
@@ -2225,10 +2446,17 @@ vfrStatementCheckBox :
                                                         >>\r
   }\r
   {\r
-    Key "=" KN:Number  ","                             << AssignQuestionKey (CBObj, KN); >>\r
+    Key "=" KN:Number  ","                             << AssignQuestionKey (*CBObj, KN); >>\r
   }\r
   vfrStatementQuestionOptionList\r
-  E:EndCheckBox                                        << CRT_END_OP (E); >>\r
+  E:EndCheckBox                                        << CRT_END_OP (E);\r
+                                                          if (GuidObj != NULL) {\r
+                                                            GuidObj->SetScope(1);\r
+                                                            CRT_END_OP (E);\r
+                                                            delete GuidObj;\r
+                                                          }\r
+                                                          if (CBObj != NULL) delete CBObj;\r
+                                                       >>\r
   ";"\r
   ;\r
 \r
@@ -2424,7 +2652,8 @@ vfrSetMinMaxStep[CIfrMinMaxStepData & MMSDObj] :
      UINT8  MaxU1 = 0, MinU1 = 0, StepU1 = 0;\r
      BOOLEAN IntDecStyle = FALSE;\r
      CIfrNumeric *NObj = (CIfrNumeric *) (&MMSDObj);\r
-     if ((NObj->GetOpCode() == EFI_IFR_NUMERIC_OP) && ((NObj->GetNumericFlags() & EFI_IFR_DISPLAY) == 0)) {\r
+     if (((_GET_CURRQEST_VARTINFO().mIsBitVar) && (NObj->GetOpCode() == EFI_IFR_NUMERIC_OP) && ((NObj->GetNumericFlags() &  EDKII_IFR_DISPLAY_BIT) == 0)) ||\r
+     (!(_GET_CURRQEST_VARTINFO().mIsBitVar) && (NObj->GetOpCode() == EFI_IFR_NUMERIC_OP) && ((NObj->GetNumericFlags() & EFI_IFR_DISPLAY) == 0))) {\r
        IntDecStyle = TRUE;\r
      }\r
      BOOLEAN MinNegative = FALSE;\r
@@ -2438,75 +2667,85 @@ vfrSetMinMaxStep[CIfrMinMaxStepData & MMSDObj] :
                                                           if (!IntDecStyle &&  MinNegative) {\r
                                                             _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "\"-\" can't be used when not in int decimal type. ");\r
                                                           }\r
-                                                          switch (_GET_CURRQEST_DATATYPE()) {\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_64 :\r
-                                                            MinU8 = _STOU64(I->getText(), I->getLine());\r
-                                                            if (IntDecStyle) {\r
-                                                              if (MinNegative) { \r
-                                                                if (MinU8 > 0x8000000000000000) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT64 type minimum can't small than -0x8000000000000000, big than 0x7FFFFFFFFFFFFFFF");\r
-                                                                }\r
-                                                              } else {\r
-                                                                if (MinU8 > 0x7FFFFFFFFFFFFFFF) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT64 type minimum can't small than -0x8000000000000000, big than 0x7FFFFFFFFFFFFFFF");\r
-                                                                }\r
-                                                              }\r
-                                                            }\r
-                                                            if (MinNegative) {\r
-                                                              MinU8 = ~MinU8 + 1;\r
-                                                            }\r
-                                                            break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_32 :\r
+                                                          //\r
+                                                          // Value for question stored in bit fields is always set to UINT32 type.\r
+                                                          //\r
+                                                          if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
                                                             MinU4 = _STOU32(I->getText(), I->getLine());\r
-                                                            if (IntDecStyle) {\r
-                                                              if (MinNegative) { \r
-                                                                if (MinU4 > 0x80000000) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT32 type minimum can't small than -0x80000000, big than 0x7FFFFFFF");\r
-                                                                }\r
-                                                              } else {\r
-                                                                if (MinU4 > 0x7FFFFFFF) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT32 type minimum can't small than -0x80000000, big than 0x7FFFFFFF");\r
-                                                                }\r
-                                                              }\r
+                                                            if (!IntDecStyle && MinU4 > (1<< _GET_CURRQEST_VARTINFO().mVarTotalSize) -1) {\r
+                                                              _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "BIT type minimum can't small than 0, bigger than 2^BitWidth -1");\r
                                                             }\r
-                                                            if (MinNegative) {\r
-                                                              MinU4 = ~MinU4 + 1;\r
-                                                            }\r
-                                                            break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_16 :\r
-                                                            MinU2 = _STOU16(I->getText(), I->getLine());\r
-                                                            if (IntDecStyle) {\r
-                                                              if (MinNegative) { \r
-                                                                if (MinU2 > 0x8000) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT16 type minimum can't small than -0x8000, big than 0x7FFF");\r
+                                                          } else {\r
+                                                            switch (_GET_CURRQEST_DATATYPE()) {\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_64 :\r
+                                                              MinU8 = _STOU64(I->getText(), I->getLine());\r
+                                                              if (IntDecStyle) {\r
+                                                                if (MinNegative) {\r
+                                                                  if (MinU8 > 0x8000000000000000) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT64 type minimum can't small than -0x8000000000000000, big than 0x7FFFFFFFFFFFFFFF");\r
+                                                                  }\r
+                                                                } else {\r
+                                                                  if (MinU8 > 0x7FFFFFFFFFFFFFFF) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT64 type minimum can't small than -0x8000000000000000, big than 0x7FFFFFFFFFFFFFFF");\r
+                                                                  }\r
                                                                 }\r
-                                                              } else {\r
-                                                                if (MinU2 > 0x7FFF) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT16 type minimum can't small than -0x8000, big than 0x7FFF");\r
+                                                              }\r
+                                                              if (MinNegative) {\r
+                                                                MinU8 = ~MinU8 + 1;\r
+                                                              }\r
+                                                              break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_32 :\r
+                                                              MinU4 = _STOU32(I->getText(), I->getLine());\r
+                                                              if (IntDecStyle) {\r
+                                                                if (MinNegative) {\r
+                                                                  if (MinU4 > 0x80000000) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT32 type minimum can't small than -0x80000000, big than 0x7FFFFFFF");\r
+                                                                  }\r
+                                                                } else {\r
+                                                                  if (MinU4 > 0x7FFFFFFF) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT32 type minimum can't small than -0x80000000, big than 0x7FFFFFFF");\r
+                                                                  }\r
                                                                 }\r
                                                               }\r
-                                                            }\r
-                                                            if (MinNegative) {\r
-                                                              MinU2 = ~MinU2 + 1;\r
-                                                            }\r
-                                                            break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_8 :\r
-                                                            MinU1 = _STOU8(I->getText(), I->getLine());\r
-                                                            if (IntDecStyle) {\r
-                                                              if (MinNegative) { \r
-                                                                if (MinU1 > 0x80) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT8 type minimum can't small than -0x80, big than 0x7F");\r
+                                                              if (MinNegative) {\r
+                                                                MinU4 = ~MinU4 + 1;\r
+                                                              }\r
+                                                              break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_16 :\r
+                                                              MinU2 = _STOU16(I->getText(), I->getLine());\r
+                                                              if (IntDecStyle) {\r
+                                                                if (MinNegative) {\r
+                                                                  if (MinU2 > 0x8000) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT16 type minimum can't small than -0x8000, big than 0x7FFF");\r
+                                                                  }\r
+                                                                } else {\r
+                                                                  if (MinU2 > 0x7FFF) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT16 type minimum can't small than -0x8000, big than 0x7FFF");\r
+                                                                  }\r
                                                                 }\r
-                                                              } else {\r
-                                                                if (MinU1 > 0x7F) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT8 type minimum can't small than -0x80, big than 0x7F");\r
+                                                              }\r
+                                                              if (MinNegative) {\r
+                                                                MinU2 = ~MinU2 + 1;\r
+                                                              }\r
+                                                              break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_8 :\r
+                                                              MinU1 = _STOU8(I->getText(), I->getLine());\r
+                                                              if (IntDecStyle) {\r
+                                                                if (MinNegative) {\r
+                                                                  if (MinU1 > 0x80) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT8 type minimum can't small than -0x80, big than 0x7F");\r
+                                                                  }\r
+                                                                } else {\r
+                                                                  if (MinU1 > 0x7F) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, I->getLine(), "INT8 type minimum can't small than -0x80, big than 0x7F");\r
+                                                                  }\r
                                                                 }\r
                                                               }\r
+                                                              if (MinNegative) {\r
+                                                                MinU1 = ~MinU1 + 1;\r
+                                                              }\r
+                                                              break;\r
                                                             }\r
-                                                            if (MinNegative) {\r
-                                                              MinU1 = ~MinU1 + 1;\r
-                                                            }\r
-                                                            break;\r
                                                           }\r
                                                        >>\r
   Maximum   "=" \r
@@ -2517,178 +2756,236 @@ vfrSetMinMaxStep[CIfrMinMaxStepData & MMSDObj] :
                                                           if (!IntDecStyle && MaxNegative) {\r
                                                             _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "\"-\" can't be used when not in int decimal type. ");\r
                                                           }\r
-\r
-                                                          switch (_GET_CURRQEST_DATATYPE()) {\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_64 : \r
-                                                            MaxU8 = _STOU64(A->getText(), A->getLine()); \r
-                                                            if (IntDecStyle) {\r
+                                                          if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            MaxU4 = _STOU32(A->getText(), A->getLine());\r
+                                                            if (!IntDecStyle && MaxU4 > (1<< _GET_CURRQEST_VARTINFO().mVarTotalSize) -1) {\r
+                                                              _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "BIT type maximum can't bigger than 2^BitWidth -1");\r
+                                                            }\r
+                                                          } else {\r
+                                                            switch (_GET_CURRQEST_DATATYPE()) {\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_64 :\r
+                                                              MaxU8 = _STOU64(A->getText(), A->getLine());\r
+                                                              if (IntDecStyle) {\r
+                                                                if (MaxNegative) {\r
+                                                                  if (MaxU8 > 0x8000000000000000) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT64 type maximum can't small than -0x8000000000000000, big than 0x7FFFFFFFFFFFFFFF");\r
+                                                                  }\r
+                                                                } else {\r
+                                                                  if (MaxU8 > 0x7FFFFFFFFFFFFFFF) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT64 type maximum can't small than -0x8000000000000000, big than 0x7FFFFFFFFFFFFFFF");\r
+                                                                  }\r
+                                                                }\r
+                                                              }\r
                                                               if (MaxNegative) {\r
-                                                                if (MaxU8 > 0x8000000000000000) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT64 type maximum can't small than -0x8000000000000000, big than 0x7FFFFFFFFFFFFFFF");\r
+                                                                MaxU8 = ~MaxU8 + 1;\r
+                                                              }\r
+                                                              if (IntDecStyle) {\r
+                                                                if ((INT64) MaxU8 < (INT64) MinU8) {\r
+                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
                                                                 }\r
                                                               } else {\r
-                                                                if (MaxU8 > 0x7FFFFFFFFFFFFFFF) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT64 type maximum can't small than -0x8000000000000000, big than 0x7FFFFFFFFFFFFFFF");\r
+                                                                if (MaxU8 < MinU8) {\r
+                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
                                                                 }\r
                                                               }\r
-                                                            }\r
-                                                            if (MaxNegative) {\r
-                                                              MaxU8 = ~MaxU8 + 1;\r
-                                                            }\r
-                                                            if (IntDecStyle) {\r
-                                                              if ((INT64) MaxU8 < (INT64) MinU8) {\r
-                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
-                                                              }\r
-                                                            } else {\r
-                                                              if (MaxU8 < MinU8) {\r
-                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
+                                                              break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_32 :\r
+                                                              MaxU4 = _STOU32(A->getText(), A->getLine());\r
+                                                              if (IntDecStyle) {\r
+                                                                if (MaxNegative) {\r
+                                                                  if (MaxU4 > 0x80000000) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT32 type maximum can't small than -0x80000000, big than 0x7FFFFFFF");\r
+                                                                  }\r
+                                                                } else {\r
+                                                                  if (MaxU4 > 0x7FFFFFFF) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT32 type maximum can't small than -0x80000000, big than 0x7FFFFFFF");\r
+                                                                  }\r
+                                                                }\r
                                                               }\r
-                                                            }\r
-                                                            break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_32 : \r
-                                                            MaxU4 = _STOU32(A->getText(), A->getLine());\r
-                                                            if (IntDecStyle) {\r
                                                               if (MaxNegative) {\r
-                                                                if (MaxU4 > 0x80000000) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT32 type maximum can't small than -0x80000000, big than 0x7FFFFFFF");\r
+                                                                MaxU4 = ~MaxU4 + 1;\r
+                                                              }\r
+                                                              if (IntDecStyle) {\r
+                                                                if ((INT32) MaxU4 < (INT32) MinU4) {\r
+                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
                                                                 }\r
                                                               } else {\r
-                                                                if (MaxU4 > 0x7FFFFFFF) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT32 type maximum can't small than -0x80000000, big than 0x7FFFFFFF");\r
+                                                                if (MaxU4 < MinU4) {\r
+                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
                                                                 }\r
                                                               }\r
-                                                            }\r
-                                                            if (MaxNegative) {\r
-                                                              MaxU4 = ~MaxU4 + 1;\r
-                                                            }\r
-                                                            if (IntDecStyle) {\r
-                                                              if ((INT32) MaxU4 < (INT32) MinU4) {\r
-                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
-                                                              }\r
-                                                            } else {\r
-                                                              if (MaxU4 < MinU4) {\r
-                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
+                                                              break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_16 :\r
+                                                              MaxU2 = _STOU16(A->getText(), A->getLine());\r
+                                                              if (IntDecStyle) {\r
+                                                                if (MaxNegative) {\r
+                                                                  if (MaxU2 > 0x8000) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT16 type maximum can't small than -0x8000, big than 0x7FFF");\r
+                                                                  }\r
+                                                                } else {\r
+                                                                  if (MaxU2 > 0x7FFF) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT16 type maximum can't small than -0x8000, big than 0x7FFF");\r
+                                                                  }\r
+                                                                }\r
                                                               }\r
-                                                            }\r
-                                                            break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_16 : \r
-                                                            MaxU2 = _STOU16(A->getText(), A->getLine()); \r
-                                                            if (IntDecStyle) {\r
                                                               if (MaxNegative) {\r
-                                                                if (MaxU2 > 0x8000) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT16 type maximum can't small than -0x8000, big than 0x7FFF");\r
+                                                                MaxU2 = ~MaxU2 + 1;\r
+                                                              }\r
+                                                              if (IntDecStyle) {\r
+                                                                if ((INT16) MaxU2 < (INT16) MinU2) {\r
+                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
                                                                 }\r
                                                               } else {\r
-                                                                if (MaxU2 > 0x7FFF) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT16 type maximum can't small than -0x8000, big than 0x7FFF");\r
+                                                                if (MaxU2 < MinU2) {\r
+                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
                                                                 }\r
                                                               }\r
-                                                            }\r
-                                                            if (MaxNegative) {\r
-                                                              MaxU2 = ~MaxU2 + 1;\r
-                                                            }\r
-                                                            if (IntDecStyle) {\r
-                                                              if ((INT16) MaxU2 < (INT16) MinU2) {\r
-                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
-                                                              }\r
-                                                            } else {\r
-                                                              if (MaxU2 < MinU2) {\r
-                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
+                                                              break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_8 :\r
+                                                              MaxU1 = _STOU8(A->getText(), A->getLine());\r
+                                                              if (IntDecStyle) {\r
+                                                                if (MaxNegative) {\r
+                                                                  if (MaxU1 > 0x80) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT8 type maximum can't small than -0x80, big than 0x7F");\r
+                                                                  }\r
+                                                                } else {\r
+                                                                  if (MaxU1 > 0x7F) {\r
+                                                                    _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT8 type maximum can't small than -0x80, big than 0x7F");\r
+                                                                  }\r
+                                                                }\r
                                                               }\r
-                                                            }\r
-                                                            break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_8 :  \r
-                                                            MaxU1 = _STOU8(A->getText(), A->getLine());\r
-                                                            if (IntDecStyle) {\r
                                                               if (MaxNegative) {\r
-                                                                if (MaxU1 > 0x80) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT8 type maximum can't small than -0x80, big than 0x7F");\r
+                                                                MaxU1 = ~MaxU1 + 1;\r
+                                                              }\r
+                                                              if (IntDecStyle) {\r
+                                                                if ((INT8) MaxU1 < (INT8) MinU1) {\r
+                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
                                                                 }\r
                                                               } else {\r
-                                                                if (MaxU1 > 0x7F) {\r
-                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "INT8 type maximum can't small than -0x80, big than 0x7F");\r
+                                                                if (MaxU1 < MinU1) {\r
+                                                                  _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
                                                                 }\r
                                                               }\r
+                                                              break;\r
                                                             }\r
-                                                            if (MaxNegative) {\r
-                                                              MaxU1 = ~MaxU1 + 1;\r
-                                                            }\r
-                                                            if (IntDecStyle) {\r
-                                                              if ((INT8) MaxU1 < (INT8) MinU1) {\r
-                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
-                                                              }\r
-                                                            } else {\r
-                                                              if (MaxU1 < MinU1) {\r
-                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, A->getLine(), "Maximum can't be less than Minimum");\r
-                                                              }\r
-                                                            }\r
-                                                            break;\r
                                                           }\r
                                                        >>\r
   {\r
     STEP    "=" S:Number ","\r
                                                        <<\r
-                                                          switch (_GET_CURRQEST_DATATYPE()) {\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_64 : StepU8 = _STOU64(S->getText(), S->getLine()); break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_32 : StepU4 = _STOU32(S->getText(), S->getLine()); break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_16 : StepU2 = _STOU16(S->getText(), S->getLine()); break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_8 :  StepU1 = _STOU8(S->getText(), S->getLine());  break;\r
+                                                          if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            StepU4 = _STOU32(S->getText(), S->getLine());\r
+                                                          } else {\r
+                                                            switch (_GET_CURRQEST_DATATYPE()) {\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_64 : StepU8 = _STOU64(S->getText(), S->getLine()); break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_32 : StepU4 = _STOU32(S->getText(), S->getLine()); break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_16 : StepU2 = _STOU16(S->getText(), S->getLine()); break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_8 :  StepU1 = _STOU8(S->getText(), S->getLine());  break;\r
+                                                            }\r
                                                           }\r
                                                        >>\r
   }\r
                                                        <<\r
-                                                          switch (_GET_CURRQEST_DATATYPE()) {\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_64 : $MMSDObj.SetMinMaxStepData (MinU8, MaxU8, StepU8); break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_32 : $MMSDObj.SetMinMaxStepData (MinU4, MaxU4, StepU4); break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_16 : $MMSDObj.SetMinMaxStepData (MinU2, MaxU2, StepU2); break;\r
-                                                          case EFI_IFR_TYPE_NUM_SIZE_8 :  $MMSDObj.SetMinMaxStepData (MinU1, MaxU1, StepU1);  break;\r
+                                                          if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            $MMSDObj.SetMinMaxStepData (MinU4, MaxU4, StepU4);\r
+                                                          } else {\r
+                                                            switch (_GET_CURRQEST_DATATYPE()) {\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_64 : $MMSDObj.SetMinMaxStepData (MinU8, MaxU8, StepU8); break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_32 : $MMSDObj.SetMinMaxStepData (MinU4, MaxU4, StepU4); break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_16 : $MMSDObj.SetMinMaxStepData (MinU2, MaxU2, StepU2); break;\r
+                                                            case EFI_IFR_TYPE_NUM_SIZE_8 :  $MMSDObj.SetMinMaxStepData (MinU1, MaxU1, StepU1);  break;\r
+                                                            }\r
                                                           }\r
                                                        >>\r
   ;\r
 \r
 vfrStatementNumeric :\r
   <<\r
-     CIfrNumeric NObj;\r
+     CIfrNumeric *NObj = NULL;\r
      UINT32      DataTypeSize;\r
      BOOLEAN     IsSupported = TRUE;\r
      UINT8       ShrinkSize  = 0;\r
+     CIfrGuid    *GuidObj = NULL;\r
+     UINT8       LFlags = _GET_CURRQEST_DATATYPE() & EFI_IFR_NUMERIC_SIZE;\r
+     EFI_QUESTION_ID   QId = EFI_QUESTION_ID_INVALID;\r
+     EFI_VARSTORE_INFO Info;\r
+     Info.mVarType          = EFI_IFR_TYPE_OTHER;\r
+     Info.mVarTotalSize     = 0;\r
+     Info.mInfo.mVarOffset  = EFI_VAROFFSET_INVALID;\r
+     Info.mVarStoreId       = EFI_VARSTORE_ID_INVALID;\r
+     Info.mIsBitVar         = FALSE;\r
   >>\r
-  L:Numeric                                            << NObj.SetLineNo(L->getLine()); >>\r
-  vfrQuestionHeader[NObj] ","                          << // check data type\r
+  L:Numeric\r
+  vfrQuestionBaseInfo[Info, QId]                       <<\r
+                                                         //\r
+                                                         // Create a GUID opcode to wrap the numeric opcode, if it refer to bit varstore.\r
+                                                         //\r
+                                                         if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                           GuidObj = new CIfrGuid(0);\r
+                                                           GuidObj->SetGuid (&gEdkiiIfrBitVarGuid);\r
+                                                           GuidObj->SetLineNo(L->getLine());\r
+                                                         }\r
+                                                         NObj = new CIfrNumeric;\r
+                                                         NObj->SetLineNo(L->getLine());\r
+                                                         NObj->SetQuestionId (QId);\r
+                                                         NObj->SetVarStoreInfo (&Info);\r
+                                                        >>\r
+  vfrStatementHeader[NObj]","\r
+                                                         <<\r
+                                                          // check data type\r
                                                           if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
-                                                            _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize), L->getLine(), "Numeric varid is not the valid data type");\r
-                                                            if (DataTypeSize != 0 && DataTypeSize != _GET_CURRQEST_VARSIZE()) {\r
-                                                              _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "Numeric varid doesn't support array");\r
+                                                            if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                               LFlags = (EDKII_IFR_NUMERIC_SIZE_BIT & (_GET_CURRQEST_VARSIZE()));\r
+                                                              _PCATCH(NObj->SetFlagsForBitField (NObj->FLAGS(), LFlags), L->getLine());\r
+                                                            } else {\r
+                                                              _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize), L->getLine(), "Numeric varid is not the valid data type");\r
+                                                              if (DataTypeSize != 0 && DataTypeSize != _GET_CURRQEST_VARSIZE()) {\r
+                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "Numeric varid doesn't support array");\r
+                                                              }\r
+                                                              _PCATCH(NObj->SetFlags (NObj->FLAGS(), _GET_CURRQEST_DATATYPE()), L->getLine());\r
                                                             }\r
-                                                            _PCATCH(NObj.SetFlags (NObj.FLAGS(), _GET_CURRQEST_DATATYPE()), L->getLine());\r
                                                           }\r
                                                        >>\r
-  { F:FLAGS "=" vfrNumericFlags[NObj, F->getLine()] "," }\r
+  { F:FLAGS "=" vfrNumericFlags[*NObj, F->getLine()] "," }\r
   {\r
-    Key   "=" KN:Number ","                            << AssignQuestionKey (NObj, KN); >>\r
+    Key   "=" KN:Number ","                            << AssignQuestionKey (*NObj, KN); >>\r
   }\r
-  vfrSetMinMaxStep[NObj]                               <<\r
-                                                          switch (_GET_CURRQEST_DATATYPE()) {\r
+  vfrSetMinMaxStep[*NObj]                               <<\r
+                                                          if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            switch (_GET_CURRQEST_DATATYPE()) {\r
+                                                              //\r
+                                                              // Base on the type to know the actual used size,shrink the buffer\r
+                                                              // size allocate before.\r
+                                                              //\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_8: ShrinkSize = 21;break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_16:ShrinkSize = 18;break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_32:ShrinkSize = 12;break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_64:break;\r
+                                                              default:\r
+                                                                IsSupported = FALSE;\r
+                                                                break;\r
+                                                            }\r
+                                                          } else {\r
                                                             //\r
-                                                            // Base on the type to know the actual used size,shrink the buffer \r
-                                                            // size allocate before.\r
+                                                            // Question stored in bit fields saved as UINT32 type, so the ShrinkSize same as EFI_IFR_TYPE_NUM_SIZE_32.\r
                                                             //\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_8: ShrinkSize = 21;break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_16:ShrinkSize = 18;break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_32:ShrinkSize = 12;break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_64:break;\r
-                                                            default: \r
-                                                              IsSupported = FALSE;\r
-                                                              break;\r
+                                                            ShrinkSize = 12;\r
                                                           }\r
-                                                          NObj.ShrinkBinSize (ShrinkSize);\r
+                                                          NObj->ShrinkBinSize (ShrinkSize);\r
+\r
                                                           if (!IsSupported) {\r
                                                             _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "Numeric question only support UINT8, UINT16, UINT32 and UINT64 data type.");\r
                                                           }\r
                                                        >>\r
   vfrStatementQuestionOptionList\r
   E:EndNumeric                                         << \r
-                                                          CRT_END_OP (E); \r
+                                                          CRT_END_OP (E);\r
+                                                          if (GuidObj != NULL) {\r
+                                                            GuidObj->SetScope(1);\r
+                                                            CRT_END_OP (E);\r
+                                                            delete GuidObj;\r
+                                                          }\r
+                                                          if (NObj != NULL) delete NObj;\r
                                                        >>\r
   ";"\r
   ;\r
@@ -2697,88 +2994,173 @@ vfrNumericFlags [CIfrNumeric & NObj, UINT32 LineNum] :
   <<\r
      UINT8 LFlags = _GET_CURRQEST_DATATYPE() & EFI_IFR_NUMERIC_SIZE;\r
      UINT8 HFlags = 0;\r
-     EFI_VFR_VARSTORE_TYPE VarStoreType = EFI_VFR_VARSTORE_INVALID;\r
      BOOLEAN IsSetType = FALSE;\r
      BOOLEAN IsDisplaySpecified = FALSE;\r
+     EFI_VFR_VARSTORE_TYPE VarStoreType = gCVfrDataStorage.GetVarStoreType (_GET_CURRQEST_VARTINFO().mVarStoreId);\r
   >>\r
-  numericFlagsField[HFlags, LFlags, IsSetType, IsDisplaySpecified] ( "\|" numericFlagsField[HFlags, LFlags, IsSetType, IsDisplaySpecified ] )*\r
+  numericFlagsField[HFlags, LFlags, IsSetType, IsDisplaySpecified, LineNum] ( "\|" numericFlagsField[HFlags, LFlags, IsSetType, IsDisplaySpecified, LineNum] )*\r
                                                        <<\r
                                                           //check data type flag\r
-                                                          if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
-                                                            VarStoreType = gCVfrDataStorage.GetVarStoreType (_GET_CURRQEST_VARTINFO().mVarStoreId);\r
-                                                            if (VarStoreType == EFI_VFR_VARSTORE_BUFFER || VarStoreType == EFI_VFR_VARSTORE_EFI) {\r
-                                                              if (_GET_CURRQEST_DATATYPE() != (LFlags & EFI_IFR_NUMERIC_SIZE)) {\r
-                                                                _PCATCH(VFR_RETURN_INVALID_PARAMETER, LineNum, "Numeric Flag is not same to Numeric VarData type");\r
+                                                          if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
+                                                              if (VarStoreType == EFI_VFR_VARSTORE_BUFFER || VarStoreType == EFI_VFR_VARSTORE_EFI) {\r
+                                                                if (_GET_CURRQEST_DATATYPE() != (LFlags & EFI_IFR_NUMERIC_SIZE)) {\r
+                                                                  _PCATCH(VFR_RETURN_INVALID_PARAMETER, LineNum, "Numeric Flag is not same to Numeric VarData type");\r
+                                                                }\r
+                                                              } else {\r
+                                                                // update data type for name/value store\r
+                                                                UINT32 DataTypeSize;\r
+                                                                _GET_CURRQEST_VARTINFO().mVarType = LFlags & EFI_IFR_NUMERIC_SIZE;\r
+                                                                gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize);\r
+                                                                _GET_CURRQEST_VARTINFO().mVarTotalSize = DataTypeSize;\r
                                                               }\r
-                                                            } else {\r
-                                                              // update data type for name/value store\r
-                                                              UINT32 DataTypeSize;\r
+                                                            } else if (IsSetType){\r
                                                               _GET_CURRQEST_VARTINFO().mVarType = LFlags & EFI_IFR_NUMERIC_SIZE;\r
-                                                              gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize);\r
-                                                              _GET_CURRQEST_VARTINFO().mVarTotalSize = DataTypeSize;\r
                                                             }\r
-                                                          } else if (IsSetType){\r
-                                                            _GET_CURRQEST_VARTINFO().mVarType = LFlags & EFI_IFR_NUMERIC_SIZE;\r
+                                                            _PCATCH(NObj.SetFlags (HFlags, LFlags, IsDisplaySpecified), LineNum);\r
+                                                          } else if ((_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) && (_GET_CURRQEST_VARTINFO().mIsBitVar)) {\r
+                                                            LFlags |= (EDKII_IFR_NUMERIC_SIZE_BIT & (_GET_CURRQEST_VARSIZE()));\r
+                                                            _PCATCH(NObj.SetFlagsForBitField (HFlags, LFlags, IsDisplaySpecified), LineNum);\r
                                                           }\r
-                                                          _PCATCH(NObj.SetFlags (HFlags, LFlags, IsDisplaySpecified), LineNum);\r
                                                        >>\r
   ;\r
 \r
-numericFlagsField [UINT8 & HFlags, UINT8 & LFlags, BOOLEAN & IsSetType, BOOLEAN & IsDisplaySpecified] :\r
+numericFlagsField [UINT8 & HFlags, UINT8 & LFlags, BOOLEAN & IsSetType, BOOLEAN & IsDisplaySpecified, UINT32 LineNum] :\r
     N:Number                                           << _PCATCH(_STOU8(N->getText(), N->getLine()) == 0 ? VFR_RETURN_SUCCESS : VFR_RETURN_UNSUPPORTED, N->getLine()); >>\r
-  | "NUMERIC_SIZE_1"                                   << $LFlags = ($LFlags & ~EFI_IFR_NUMERIC_SIZE) | EFI_IFR_NUMERIC_SIZE_1; IsSetType = TRUE;>>\r
-  | "NUMERIC_SIZE_2"                                   << $LFlags = ($LFlags & ~EFI_IFR_NUMERIC_SIZE) | EFI_IFR_NUMERIC_SIZE_2; IsSetType = TRUE;>>\r
-  | "NUMERIC_SIZE_4"                                   << $LFlags = ($LFlags & ~EFI_IFR_NUMERIC_SIZE) | EFI_IFR_NUMERIC_SIZE_4; IsSetType = TRUE;>>\r
-  | "NUMERIC_SIZE_8"                                   << $LFlags = ($LFlags & ~EFI_IFR_NUMERIC_SIZE) | EFI_IFR_NUMERIC_SIZE_8; IsSetType = TRUE;>>\r
-  | "DISPLAY_INT_DEC"                                  << $LFlags = ($LFlags & ~EFI_IFR_DISPLAY) | EFI_IFR_DISPLAY_INT_DEC; IsDisplaySpecified = TRUE;>>\r
-  | "DISPLAY_UINT_DEC"                                 << $LFlags = ($LFlags & ~EFI_IFR_DISPLAY) | EFI_IFR_DISPLAY_UINT_DEC; IsDisplaySpecified = TRUE;>>\r
-  | "DISPLAY_UINT_HEX"                                 << $LFlags = ($LFlags & ~EFI_IFR_DISPLAY) | EFI_IFR_DISPLAY_UINT_HEX; IsDisplaySpecified = TRUE;>>\r
+  | "NUMERIC_SIZE_1"                                   << if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            $LFlags = ($LFlags & ~EFI_IFR_NUMERIC_SIZE) | EFI_IFR_NUMERIC_SIZE_1;IsSetType = TRUE;\r
+                                                          } else {\r
+                                                            _PCATCH(VFR_RETURN_INVALID_PARAMETER, LineNum, "Can not specify the size of the numeric value for BIT field");\r
+                                                          }\r
+                                                       >>\r
+  | "NUMERIC_SIZE_2"                                   << if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            $LFlags = ($LFlags & ~EFI_IFR_NUMERIC_SIZE) | EFI_IFR_NUMERIC_SIZE_2;IsSetType = TRUE;\r
+                                                          } else {\r
+                                                            _PCATCH(VFR_RETURN_INVALID_PARAMETER, LineNum, "Can not specify the size of the numeric value for BIT field");\r
+                                                          }\r
+                                                       >>\r
+  | "NUMERIC_SIZE_4"                                   << if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            $LFlags = ($LFlags & ~EFI_IFR_NUMERIC_SIZE) | EFI_IFR_NUMERIC_SIZE_4; IsSetType = TRUE;\r
+                                                          } else {\r
+                                                            _PCATCH(VFR_RETURN_INVALID_PARAMETER, LineNum, "Can not specify the size of the numeric value for BIT field");\r
+                                                          }\r
+                                                       >>\r
+  | "NUMERIC_SIZE_8"                                   << if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            $LFlags = ($LFlags & ~EFI_IFR_NUMERIC_SIZE) | EFI_IFR_NUMERIC_SIZE_8; IsSetType = TRUE;\r
+                                                          } else {\r
+                                                            _PCATCH(VFR_RETURN_INVALID_PARAMETER, LineNum, "Can not specify the size of the numeric value for BIT field");\r
+                                                          }\r
+                                                       >>\r
+  | "DISPLAY_INT_DEC"                                  << if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            $LFlags = ($LFlags & ~EFI_IFR_DISPLAY) | EFI_IFR_DISPLAY_INT_DEC;\r
+                                                          } else {\r
+                                                            $LFlags = ($LFlags & ~EDKII_IFR_DISPLAY_BIT) | EDKII_IFR_DISPLAY_INT_DEC_BIT;\r
+                                                          }\r
+                                                          IsDisplaySpecified = TRUE;\r
+                                                       >>\r
+  | "DISPLAY_UINT_DEC"                                 << if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            $LFlags = ($LFlags & ~EFI_IFR_DISPLAY) | EFI_IFR_DISPLAY_UINT_DEC;\r
+                                                          } else {\r
+                                                            $LFlags = ($LFlags & ~EDKII_IFR_DISPLAY_BIT) | EDKII_IFR_DISPLAY_UINT_DEC_BIT;\r
+                                                          }\r
+                                                          IsDisplaySpecified = TRUE;\r
+                                                       >>\r
+  | "DISPLAY_UINT_HEX"                                 << if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            $LFlags = ($LFlags & ~EFI_IFR_DISPLAY) | EFI_IFR_DISPLAY_UINT_HEX;\r
+                                                          } else {\r
+                                                            $LFlags = ($LFlags & ~EDKII_IFR_DISPLAY_BIT) | EDKII_IFR_DISPLAY_UINT_HEX_BIT;\r
+                                                          }\r
+                                                          IsDisplaySpecified = TRUE;\r
+                                                       >>\r
   | questionheaderFlagsField[HFlags]\r
   ;\r
 \r
 vfrStatementOneOf :\r
   <<\r
-     CIfrOneOf OObj;\r
+     CIfrOneOf *OObj = NULL;\r
      UINT32    DataTypeSize;\r
      BOOLEAN   IsSupported = TRUE;\r
      UINT8     ShrinkSize  = 0;\r
+     CIfrGuid  *GuidObj = NULL;\r
+     UINT8 LFlags = _GET_CURRQEST_DATATYPE() & EFI_IFR_NUMERIC_SIZE;\r
+     EFI_QUESTION_ID   QId = EFI_QUESTION_ID_INVALID;;\r
+     EFI_VARSTORE_INFO Info;\r
+     Info.mVarType               = EFI_IFR_TYPE_OTHER;\r
+     Info.mVarTotalSize          = 0;\r
+     Info.mInfo.mVarOffset       = EFI_VAROFFSET_INVALID;\r
+     Info.mVarStoreId            = EFI_VARSTORE_ID_INVALID;\r
+     Info.mIsBitVar              = FALSE;\r
   >>\r
-  L:OneOf                                              << OObj.SetLineNo(L->getLine()); >>\r
-  vfrQuestionHeader[OObj] ","                          << //check data type\r
+  L:OneOf\r
+  vfrQuestionBaseInfo[Info, QId]                       <<\r
+                                                         //\r
+                                                         // Create a GUID opcode to wrap the oneof opcode, if it refer to bit varstore.\r
+                                                         //\r
+                                                         if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                           GuidObj = new CIfrGuid(0);\r
+                                                           GuidObj->SetGuid (&gEdkiiIfrBitVarGuid);\r
+                                                           GuidObj->SetLineNo(L->getLine());\r
+                                                         }\r
+                                                         OObj = new CIfrOneOf;\r
+                                                         OObj->SetLineNo(L->getLine());\r
+                                                         OObj->SetQuestionId (QId);\r
+                                                         OObj->SetVarStoreInfo (&Info);\r
+                                                        >>\r
+  vfrStatementHeader[OObj]","\r
+                                                        << //check data type\r
                                                           if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
-                                                            _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize), L->getLine(), "OneOf varid is not the valid data type");\r
-                                                            if (DataTypeSize != 0 && DataTypeSize != _GET_CURRQEST_VARSIZE()) {\r
-                                                              _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "OneOf varid doesn't support array");\r
+                                                            if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                               LFlags = (EDKII_IFR_NUMERIC_SIZE_BIT & (_GET_CURRQEST_VARSIZE()));\r
+                                                              _PCATCH(OObj->SetFlagsForBitField (OObj->FLAGS(), LFlags), L->getLine());\r
+                                                            } else {\r
+                                                              _PCATCH (gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize), L->getLine(), "OneOf varid is not the valid data type");\r
+                                                              if (DataTypeSize != 0 && DataTypeSize != _GET_CURRQEST_VARSIZE()) {\r
+                                                                _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "OneOf varid doesn't support array");\r
+                                                              }\r
+                                                              _PCATCH(OObj->SetFlags (OObj->FLAGS(), _GET_CURRQEST_DATATYPE()), L->getLine());\r
                                                             }\r
-                                                            _PCATCH(OObj.SetFlags (OObj.FLAGS(), _GET_CURRQEST_DATATYPE()), L->getLine());\r
                                                           }\r
                                                        >>\r
-  { F:FLAGS "=" vfrOneofFlagsField[OObj, F->getLine()] "," }\r
+  { F:FLAGS "=" vfrOneofFlagsField[*OObj, F->getLine()] "," }\r
   {\r
-    vfrSetMinMaxStep[OObj]\r
+    vfrSetMinMaxStep[*OObj]\r
   }\r
                                                        <<\r
-                                                          switch (_GET_CURRQEST_DATATYPE()) {\r
+                                                          if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            switch (_GET_CURRQEST_DATATYPE()) {\r
+                                                              //\r
+                                                              // Base on the type to know the actual used size,shrink the buffer\r
+                                                              // size allocate before.\r
+                                                              //\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_8: ShrinkSize = 21;break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_16:ShrinkSize = 18;break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_32:ShrinkSize = 12;break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_64:break;\r
+                                                              default:\r
+                                                                IsSupported = FALSE;\r
+                                                                break;\r
+                                                            }\r
+                                                          } else {\r
                                                             //\r
-                                                            // Base on the type to know the actual used size,shrink the buffer \r
-                                                            // size allocate before.\r
+                                                            // Question stored in bit fields saved as UINT32 type, so the ShrinkSize same as EFI_IFR_TYPE_NUM_SIZE_32.\r
                                                             //\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_8: ShrinkSize = 21;break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_16:ShrinkSize = 18;break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_32:ShrinkSize = 12;break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_64:break;\r
-                                                            default:\r
-                                                              IsSupported = FALSE;\r
-                                                              break;\r
+                                                            ShrinkSize = 12;\r
                                                           }\r
-                                                          OObj.ShrinkBinSize (ShrinkSize);\r
+                                                          OObj->ShrinkBinSize (ShrinkSize);\r
+\r
                                                           if (!IsSupported) {\r
                                                             _PCATCH (VFR_RETURN_INVALID_PARAMETER, L->getLine(), "OneOf question only support UINT8, UINT16, UINT32 and UINT64 data type.");\r
                                                           }\r
                                                        >>\r
   vfrStatementQuestionOptionList\r
   E:EndOneOf                                           <<\r
-                                                          CRT_END_OP (E); \r
+                                                          CRT_END_OP (E);\r
+                                                          if (GuidObj != NULL) {\r
+                                                            GuidObj->SetScope(1);\r
+                                                            CRT_END_OP (E);\r
+                                                            delete GuidObj;\r
+                                                          }\r
+                                                          if (OObj != NULL) delete OObj;\r
                                                        >>\r
   ";"\r
   ;\r
@@ -2787,30 +3169,33 @@ vfrOneofFlagsField [CIfrOneOf & OObj, UINT32 LineNum] :
   <<\r
      UINT8 LFlags = _GET_CURRQEST_DATATYPE() & EFI_IFR_NUMERIC_SIZE;\r
      UINT8 HFlags = 0;\r
-     EFI_VFR_VARSTORE_TYPE VarStoreType = EFI_VFR_VARSTORE_INVALID;\r
      BOOLEAN IsSetType = FALSE;\r
      BOOLEAN IsDisplaySpecified = FALSE;\r
+     EFI_VFR_VARSTORE_TYPE VarStoreType = gCVfrDataStorage.GetVarStoreType (_GET_CURRQEST_VARTINFO().mVarStoreId);\r
   >>\r
-  numericFlagsField[HFlags, LFlags, IsSetType, IsDisplaySpecified] ( "\|" numericFlagsField[HFlags, LFlags, IsSetType, IsDisplaySpecified] )*\r
+  numericFlagsField[HFlags, LFlags, IsSetType, IsDisplaySpecified, LineNum] ( "\|" numericFlagsField[HFlags, LFlags, IsSetType, IsDisplaySpecified, LineNum] )*\r
                                                        <<\r
                                                           //check data type flag\r
-                                                          if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
-                                                            VarStoreType = gCVfrDataStorage.GetVarStoreType (_GET_CURRQEST_VARTINFO().mVarStoreId);\r
-                                                            if (VarStoreType == EFI_VFR_VARSTORE_BUFFER || VarStoreType == EFI_VFR_VARSTORE_EFI) {\r
-                                                              if (_GET_CURRQEST_DATATYPE() != (LFlags & EFI_IFR_NUMERIC_SIZE)) {\r
-                                                                _PCATCH(VFR_RETURN_INVALID_PARAMETER, LineNum, "Numeric Flag is not same to Numeric VarData type");\r
+                                                          if (!_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                            if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
+                                                              if (VarStoreType == EFI_VFR_VARSTORE_BUFFER || VarStoreType == EFI_VFR_VARSTORE_EFI) {\r
+                                                                if (_GET_CURRQEST_DATATYPE() != (LFlags & EFI_IFR_NUMERIC_SIZE)) {\r
+                                                                 _PCATCH(VFR_RETURN_INVALID_PARAMETER, LineNum, "Numeric Flag is not same to Numeric VarData type");\r
+                                                                }\r
+                                                              } else {\r
+                                                                // update data type for Name/Value store\r
+                                                                UINT32 DataTypeSize;\r
+                                                                _GET_CURRQEST_VARTINFO().mVarType = LFlags & EFI_IFR_NUMERIC_SIZE;\r
+                                                                gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize);\r
+                                                                _GET_CURRQEST_VARTINFO().mVarTotalSize = DataTypeSize;\r
                                                               }\r
-                                                            } else {\r
-                                                              // update data type for Name/Value store\r
-                                                              UINT32 DataTypeSize;\r
+                                                            } else if (IsSetType){\r
                                                               _GET_CURRQEST_VARTINFO().mVarType = LFlags & EFI_IFR_NUMERIC_SIZE;\r
-                                                              gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &DataTypeSize);\r
-                                                              _GET_CURRQEST_VARTINFO().mVarTotalSize = DataTypeSize;\r
                                                             }\r
-                                                          } else if (IsSetType){\r
-                                                            _GET_CURRQEST_VARTINFO().mVarType = LFlags & EFI_IFR_NUMERIC_SIZE;\r
+                                                            _PCATCH(OObj.SetFlags (HFlags, LFlags), LineNum);\r
+                                                          } else if (_GET_CURRQEST_VARTINFO().mVarStoreId != EFI_VARSTORE_ID_INVALID) {\r
+                                                            _PCATCH(OObj.SetFlagsForBitField (HFlags, LFlags), LineNum);\r
                                                           }\r
-                                                          _PCATCH(OObj.SetFlags (HFlags, LFlags), LineNum);\r
                                                        >>\r
   ;\r
 \r
@@ -3364,22 +3749,26 @@ vfrStatementOneOfOption :
                                                        << \r
                                                           if (gCurrentMinMaxData != NULL) {\r
                                                             //set min/max value for oneof opcode\r
-                                                            UINT64 Step = gCurrentMinMaxData->GetStepData(_GET_CURRQEST_DATATYPE());\r
-                                                            switch (_GET_CURRQEST_DATATYPE()) {\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_64:\r
-                                                              gCurrentMinMaxData->SetMinMaxStepData(Val->u64, Val->u64, Step);\r
-                                                              break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_32:\r
+                                                            UINT64 Step = gCurrentMinMaxData->GetStepData(_GET_CURRQEST_DATATYPE(), _GET_CURRQEST_VARTINFO().mIsBitVar);\r
+                                                            if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
                                                               gCurrentMinMaxData->SetMinMaxStepData(Val->u32, Val->u32, (UINT32) Step);\r
-                                                              break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_16:\r
-                                                              gCurrentMinMaxData->SetMinMaxStepData(Val->u16, Val->u16, (UINT16) Step);\r
-                                                              break;\r
-                                                            case EFI_IFR_TYPE_NUM_SIZE_8:\r
-                                                              gCurrentMinMaxData->SetMinMaxStepData(Val->u8, Val->u8, (UINT8) Step);\r
-                                                              break;\r
-                                                            default:\r
-                                                              break;\r
+                                                            } else {\r
+                                                              switch (_GET_CURRQEST_DATATYPE()) {\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_64:\r
+                                                                gCurrentMinMaxData->SetMinMaxStepData(Val->u64, Val->u64, Step);\r
+                                                                break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_32:\r
+                                                                gCurrentMinMaxData->SetMinMaxStepData(Val->u32, Val->u32, (UINT32) Step);\r
+                                                                break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_16:\r
+                                                                gCurrentMinMaxData->SetMinMaxStepData(Val->u16, Val->u16, (UINT16) Step);\r
+                                                                break;\r
+                                                              case EFI_IFR_TYPE_NUM_SIZE_8:\r
+                                                                gCurrentMinMaxData->SetMinMaxStepData(Val->u8, Val->u8, (UINT8) Step);\r
+                                                                break;\r
+                                                              default:\r
+                                                                break;\r
+                                                              }\r
                                                             }\r
                                                           }\r
                                                           if (_GET_CURRQEST_DATATYPE() == EFI_IFR_TYPE_OTHER) {\r
@@ -3413,7 +3802,14 @@ vfrStatementOneOfOption :
                                                                break;\r
                                                             }\r
                                                           } else {\r
-                                                            ReturnCode = gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &Size);\r
+                                                            //\r
+                                                            // For the oneof stored in bit fields, set the option type as UINT32.\r
+                                                            //\r
+                                                            if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                              Size = sizeof (UINT32);\r
+                                                            } else {\r
+                                                              ReturnCode = gCVfrVarDataTypeDB.GetDataTypeSize (_GET_CURRQEST_DATATYPE(), &Size);\r
+                                                            }\r
                                                           }\r
                                                           if (ReturnCode != VFR_RETURN_SUCCESS) {\r
                                                             _PCATCH (ReturnCode, L->getLine());\r
@@ -3424,9 +3820,13 @@ vfrStatementOneOfOption :
                                                           OOOObj->SetLineNo(L->getLine());\r
                                                           OOOObj->SetOption (_STOSID(S->getText(), S->getLine())); \r
                                                           if (ArrayType) {\r
-                                                            OOOObj->SetType (EFI_IFR_TYPE_BUFFER); \r
+                                                            OOOObj->SetType (EFI_IFR_TYPE_BUFFER);\r
                                                           } else {\r
-                                                            OOOObj->SetType (_GET_CURRQEST_DATATYPE()); \r
+                                                            if (_GET_CURRQEST_VARTINFO().mIsBitVar) {\r
+                                                              OOOObj->SetType ( EFI_IFR_TYPE_NUM_SIZE_32);\r
+                                                            } else {\r
+                                                              OOOObj->SetType (_GET_CURRQEST_DATATYPE());\r
+                                                            }\r
                                                           }\r
                                                           OOOObj->SetValue (*Val); \r
                                                        >>\r
@@ -5205,7 +5605,8 @@ EfiVfrParser::_DeclareDefaultLinearVarStore (
                        &mFormsetGuid,\r
                        &gCVfrVarDataTypeDB,\r
                        TypeNameList[Index],\r
-                       EFI_VARSTORE_ID_INVALID\r
+                       EFI_VARSTORE_ID_INVALID,\r
+                       FALSE\r
                        );\r
     gCVfrDataStorage.GetVarStoreId(TypeNameList[Index], &VarStoreId, &mFormsetGuid);\r
     VSObj.SetVarStoreId (VarStoreId);\r
@@ -5230,7 +5631,8 @@ EfiVfrParser::_DeclareDefaultLinearVarStore (
                        &mFormsetGuid,\r
                        &gCVfrVarDataTypeDB,\r
                        (CHAR8 *) DateType,\r
-                       EFI_VARSTORE_ID_INVALID\r
+                       EFI_VARSTORE_ID_INVALID,\r
+                       FALSE\r
                        );\r
     gCVfrDataStorage.GetVarStoreId((CHAR8 *) DateName, &VarStoreId, &mFormsetGuid);\r
     VSObj.SetVarStoreId (VarStoreId);\r
@@ -5251,7 +5653,8 @@ EfiVfrParser::_DeclareDefaultLinearVarStore (
                        &mFormsetGuid,\r
                        &gCVfrVarDataTypeDB,\r
                        (CHAR8 *) TimeType,\r
-                       EFI_VARSTORE_ID_INVALID\r
+                       EFI_VARSTORE_ID_INVALID,\r
+                       FALSE\r
                        );\r
     gCVfrDataStorage.GetVarStoreId((CHAR8 *) TimeName, &VarStoreId, &mFormsetGuid);\r
     VSObj.SetVarStoreId (VarStoreId);\r
@@ -5272,7 +5675,7 @@ EfiVfrParser::_DeclareStandardDefaultStorage (
   //\r
   CIfrDefaultStore DSObj;\r
 \r
-  gCVfrDefaultStore.RegisterDefaultStore (DSObj.GetObjBinAddr(), (CHAR8 *) "Standard Defaults", EFI_STRING_ID_INVALID, EFI_HII_DEFAULT_CLASS_STANDARD);\r
+  gCVfrDefaultStore.RegisterDefaultStore (DSObj.GetObjBinAddr<CHAR8>(), (CHAR8 *) "Standard Defaults", EFI_STRING_ID_INVALID, EFI_HII_DEFAULT_CLASS_STANDARD);\r
   DSObj.SetLineNo (LineNo);\r
   DSObj.SetDefaultName (EFI_STRING_ID_INVALID);\r
   DSObj.SetDefaultId (EFI_HII_DEFAULT_CLASS_STANDARD);\r
@@ -5282,7 +5685,7 @@ EfiVfrParser::_DeclareStandardDefaultStorage (
   //\r
   CIfrDefaultStore DSObjMF;\r
 \r
-  gCVfrDefaultStore.RegisterDefaultStore (DSObjMF.GetObjBinAddr(), (CHAR8 *) "Standard ManuFacturing", EFI_STRING_ID_INVALID, EFI_HII_DEFAULT_CLASS_MANUFACTURING);\r
+  gCVfrDefaultStore.RegisterDefaultStore (DSObjMF.GetObjBinAddr<CHAR8>(), (CHAR8 *) "Standard ManuFacturing", EFI_STRING_ID_INVALID, EFI_HII_DEFAULT_CLASS_MANUFACTURING);\r
   DSObjMF.SetLineNo (LineNo);\r
   DSObjMF.SetDefaultName (EFI_STRING_ID_INVALID);\r
   DSObjMF.SetDefaultId (EFI_HII_DEFAULT_CLASS_MANUFACTURING);\r