/** @file\r
Parser for IFR binary encoding.\r
\r
-Copyright (c) 2007 - 2009, Intel Corporation\r
+Copyright (c) 2007 - 2010, Intel Corporation\r
All rights reserved. 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
**/\r
\r
#include "Setup.h"\r
-#include "Ui.h"\r
\r
UINT16 mStatementIndex;\r
UINT16 mExpressionOpCodeIndex;\r
{\r
LIST_ENTRY *Link;\r
EXPRESSION_OPCODE *OpCode;\r
+ LIST_ENTRY *SubExpressionLink;\r
+ FORM_EXPRESSION *SubExpression;\r
\r
while (!IsListEmpty (&Expression->OpCodeListHead)) {\r
Link = GetFirstNode (&Expression->OpCodeListHead);\r
if (OpCode->ValueList != NULL) {\r
FreePool (OpCode->ValueList);\r
}\r
+\r
+ if (OpCode->ValueName != NULL) {\r
+ FreePool (OpCode->ValueName);\r
+ }\r
+\r
+ if (OpCode->MapExpressionList.ForwardLink != NULL) {\r
+ while (!IsListEmpty (&OpCode->MapExpressionList)) {\r
+ SubExpressionLink = GetFirstNode(&OpCode->MapExpressionList);\r
+ SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);\r
+ RemoveEntryList(&SubExpression->Link);\r
+ DestroyExpression (SubExpression);\r
+ }\r
+ }\r
}\r
\r
//\r
if (Statement->BlockName != NULL) {\r
FreePool (Statement->BlockName);\r
}\r
+ if (Statement->BufferValue != NULL) {\r
+ FreePool (Statement->BufferValue);\r
+ }\r
}\r
\r
\r
FORM_EXPRESSION *Expression;\r
FORM_BROWSER_FORM *Form;\r
\r
+ if (FormSet->IfrBinaryData == NULL) {\r
+ //\r
+ // Uninitialized FormSet\r
+ //\r
+ FreePool (FormSet);\r
+ return;\r
+ }\r
+\r
//\r
// Free IFR binary buffer\r
//\r
)\r
{\r
if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||\r
- ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||\r
+ ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SET_OP)) ||\r
+ ((Operand >= EFI_IFR_EQUAL_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||\r
(Operand == EFI_IFR_CATENATE_OP) ||\r
(Operand == EFI_IFR_TO_LOWER_OP) ||\r
(Operand == EFI_IFR_TO_UPPER_OP) ||\r
- (Operand == EFI_IFR_VERSION_OP)\r
- ) {\r
+ (Operand == EFI_IFR_MAP_OP) ||\r
+ (Operand == EFI_IFR_VERSION_OP) ||\r
+ (Operand == EFI_IFR_SECURITY_OP)) {\r
return TRUE;\r
} else {\r
return FALSE;\r
BOOLEAN SingleOpCodeExpression;\r
BOOLEAN InScopeDefault;\r
EFI_HII_VALUE *Value;\r
+ EFI_IFR_FORM_MAP_METHOD *MapMethod;\r
+ UINT8 MapScopeDepth;\r
+ LIST_ENTRY *Link;\r
+ FORMSET_STORAGE *VarStorage;\r
+ LIST_ENTRY *MapExpressionList;\r
+ EFI_VARSTORE_ID TempVarstoreId;\r
\r
mInScopeSubtitle = FALSE;\r
SuppressForQuestion = FALSE;\r
OptionSuppressExpression = NULL;\r
FormSuppressExpression = NULL;\r
ImageId = NULL;\r
+ MapMethod = NULL;\r
+ MapScopeDepth = 0;\r
+ Link = NULL;\r
+ VarStorage = NULL;\r
+ MapExpressionList = NULL;\r
+ TempVarstoreId = 0;\r
\r
//\r
// Get the number of Statements and Expressions\r
InitializeListHead (&FormSet->StorageListHead);\r
InitializeListHead (&FormSet->DefaultStoreListHead);\r
InitializeListHead (&FormSet->FormListHead);\r
+ ResetCurrentExpressionStack ();\r
+ ResetMapExpressionListStack ();\r
\r
CurrentForm = NULL;\r
CurrentStatement = NULL;\r
ExpressionOpCode->QuestionId = CurrentStatement->QuestionId;\r
break;\r
\r
+ case EFI_IFR_SECURITY_OP:\r
+ CopyMem (&ExpressionOpCode->Guid, &((EFI_IFR_SECURITY *) OpCodeData)->Permissions, sizeof (EFI_GUID));\r
+ break;\r
+\r
+ case EFI_IFR_GET_OP:\r
+ case EFI_IFR_SET_OP:\r
+ CopyMem (&TempVarstoreId, &((EFI_IFR_GET *) OpCodeData)->VarStoreId, sizeof (TempVarstoreId));\r
+ if (TempVarstoreId != 0) {\r
+ if (FormSet->StorageListHead.ForwardLink != NULL) {\r
+ Link = GetFirstNode (&FormSet->StorageListHead);\r
+ while (!IsNull (&FormSet->StorageListHead, Link)) {\r
+ VarStorage = FORMSET_STORAGE_FROM_LINK (Link);\r
+ if (VarStorage->VarStoreId == ((EFI_IFR_GET *) OpCodeData)->VarStoreId) {\r
+ ExpressionOpCode->VarStorage = VarStorage;\r
+ break;\r
+ }\r
+ Link = GetNextNode (&FormSet->StorageListHead, Link);\r
+ }\r
+ }\r
+ if (ExpressionOpCode->VarStorage == NULL) {\r
+ //\r
+ // VarStorage is not found.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+ ExpressionOpCode->ValueType = ((EFI_IFR_GET *) OpCodeData)->VarStoreType;\r
+ switch (ExpressionOpCode->ValueType) {\r
+ case EFI_IFR_TYPE_BOOLEAN:\r
+ case EFI_IFR_TYPE_NUM_SIZE_8: \r
+ ExpressionOpCode->ValueWidth = 1;\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_NUM_SIZE_16:\r
+ case EFI_IFR_TYPE_STRING:\r
+ ExpressionOpCode->ValueWidth = 2;\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_NUM_SIZE_32:\r
+ ExpressionOpCode->ValueWidth = 4;\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_NUM_SIZE_64:\r
+ ExpressionOpCode->ValueWidth = 8;\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_DATE:\r
+ ExpressionOpCode->ValueWidth = sizeof (EFI_IFR_DATE);\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_TIME:\r
+ ExpressionOpCode->ValueWidth = sizeof (EFI_IFR_TIME);\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_OTHER:\r
+ case EFI_IFR_TYPE_UNDEFINED:\r
+ case EFI_IFR_TYPE_ACTION:\r
+ case EFI_IFR_TYPE_BUFFER:\r
+ default:\r
+ //\r
+ // Invalid value type for Get/Set opcode.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ CopyMem (&ExpressionOpCode->VarStoreInfo.VarName, &((EFI_IFR_GET *) OpCodeData)->VarStoreInfo.VarName, sizeof (EFI_STRING_ID));\r
+ CopyMem (&ExpressionOpCode->VarStoreInfo.VarOffset, &((EFI_IFR_GET *) OpCodeData)->VarStoreInfo.VarOffset, sizeof (UINT16));\r
+ if ((ExpressionOpCode->VarStorage != NULL) && \r
+ (ExpressionOpCode->VarStorage->Type == EFI_HII_VARSTORE_NAME_VALUE || \r
+ ExpressionOpCode->VarStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {\r
+ ExpressionOpCode->ValueName = GetToken (ExpressionOpCode->VarStoreInfo.VarName, FormSet->HiiHandle);\r
+ if (ExpressionOpCode->ValueName == NULL) {\r
+ //\r
+ // String ID is invalid.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+ break;\r
+\r
case EFI_IFR_QUESTION_REF1_OP:\r
CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r
break;\r
default:\r
break;\r
}\r
-\r
+ //\r
+ // Create sub expression nested in MAP opcode\r
+ //\r
+ if (CurrentExpression == NULL && MapScopeDepth > 0) {\r
+ CurrentExpression = CreateExpression (CurrentForm);\r
+ ASSERT (MapExpressionList != NULL);\r
+ InsertTailList (MapExpressionList, &CurrentExpression->Link);\r
+ if (Scope == 0) {\r
+ SingleOpCodeExpression = TRUE;\r
+ }\r
+ }\r
ASSERT (CurrentExpression != NULL);\r
InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);\r
-\r
- if (SingleOpCodeExpression) {\r
+ if (Operand == EFI_IFR_MAP_OP) {\r
+ //\r
+ // Store current Map Expression List.\r
+ //\r
+ if (MapExpressionList != NULL) {\r
+ PushMapExpressionList (MapExpressionList);\r
+ }\r
+ //\r
+ // Initialize new Map Expression List.\r
+ //\r
+ MapExpressionList = &ExpressionOpCode->MapExpressionList;\r
+ InitializeListHead (MapExpressionList);\r
+ //\r
+ // Store current expression.\r
+ //\r
+ PushCurrentExpression (CurrentExpression);\r
+ CurrentExpression = NULL;\r
+ MapScopeDepth ++;\r
+ } else if (SingleOpCodeExpression) {\r
//\r
// There are two cases to indicate the end of an Expression:\r
// for single OpCode expression: one Expression OpCode\r
CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));\r
CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));\r
\r
- //\r
- // The formset OpCode contains ClassGuid\r
- //\r
- FormSet->NumberOfClassGuid = (UINT8) (((EFI_IFR_FORM_SET *) OpCodeData)->Flags & 0x3);\r
- CopyMem (FormSet->ClassGuid, OpCodeData + sizeof (EFI_IFR_FORM_SET), FormSet->NumberOfClassGuid * sizeof (EFI_GUID));\r
+ if (OpCodeLength > OFFSET_OF (EFI_IFR_FORM_SET, Flags)) {\r
+ //\r
+ // The formset OpCode contains ClassGuid\r
+ //\r
+ FormSet->NumberOfClassGuid = (UINT8) (((EFI_IFR_FORM_SET *) OpCodeData)->Flags & 0x3);\r
+ CopyMem (FormSet->ClassGuid, OpCodeData + sizeof (EFI_IFR_FORM_SET), FormSet->NumberOfClassGuid * sizeof (EFI_GUID));\r
+ }\r
\r
InitializeListHead (&FormSet->ExpressionListHead);\r
break;\r
InitializeListHead (&CurrentForm->ExpressionListHead);\r
InitializeListHead (&CurrentForm->StatementListHead);\r
\r
+ CurrentForm->FormType = STANDARD_MAP_FORM_TYPE;\r
CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));\r
CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));\r
\r
InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);\r
break;\r
\r
+ case EFI_IFR_FORM_MAP_OP:\r
+ //\r
+ // Create a new Form for this FormSet\r
+ //\r
+ CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));\r
+ ASSERT (CurrentForm != NULL);\r
+ CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;\r
+ InitializeListHead (&CurrentForm->ExpressionListHead);\r
+ InitializeListHead (&CurrentForm->StatementListHead);\r
+ CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));\r
+\r
+ MapMethod = (EFI_IFR_FORM_MAP_METHOD *) (OpCodeData + sizeof (EFI_IFR_FORM_MAP));\r
+ //\r
+ // FormMap Form must contain at least one Map Method.\r
+ //\r
+ if (((EFI_IFR_OP_HEADER *) OpCodeData)->Length < ((UINTN) (UINT8 *) (MapMethod + 1) - (UINTN) OpCodeData)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ //\r
+ // Try to find the standard form map method.\r
+ //\r
+ while (((UINTN) (UINT8 *) MapMethod - (UINTN) OpCodeData) < ((EFI_IFR_OP_HEADER *) OpCodeData)->Length) {\r
+ if (CompareGuid ((EFI_GUID *) (VOID *) &MapMethod->MethodIdentifier, &gEfiHiiStandardFormGuid)) {\r
+ CopyMem (&CurrentForm->FormTitle, &MapMethod->MethodTitle, sizeof (EFI_STRING_ID));\r
+ CurrentForm->FormType = STANDARD_MAP_FORM_TYPE;\r
+ break;\r
+ }\r
+ MapMethod ++;\r
+ }\r
+ //\r
+ // If the standard form map method is not found, the first map method title will be used.\r
+ //\r
+ if (CurrentForm->FormTitle == 0) {\r
+ MapMethod = (EFI_IFR_FORM_MAP_METHOD *) (OpCodeData + sizeof (EFI_IFR_FORM_MAP));\r
+ CopyMem (&CurrentForm->FormTitle, &MapMethod->MethodTitle, sizeof (EFI_STRING_ID));\r
+ }\r
+\r
+ if (InScopeFormSuppress) {\r
+ //\r
+ // Form is inside of suppressif\r
+ //\r
+ CurrentForm->SuppressExpression = FormSuppressExpression;\r
+ }\r
+\r
+ if (Scope != 0) {\r
+ //\r
+ // Enter scope of a Form, suppressif will be used for Question or Option\r
+ //\r
+ SuppressForQuestion = TRUE;\r
+ }\r
+\r
+ //\r
+ // Insert into Form list of this FormSet\r
+ //\r
+ InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);\r
+ break;\r
+\r
//\r
// Storage\r
//\r
CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;\r
\r
CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BUFFER;\r
+ CurrentStatement->BufferValue = NULL;\r
\r
if (Scope != 0) {\r
SuppressForOption = TRUE;\r
//\r
// Now we know the Storage width of nested Ordered List\r
//\r
+ ASSERT (CurrentStatement != NULL);\r
if ((CurrentStatement->Operand == EFI_IFR_ORDERED_LIST_OP) && (CurrentStatement->BufferValue == NULL)) {\r
Width = 1;\r
switch (CurrentOption->Value.Type) {\r
}\r
break;\r
\r
+ case EFI_IFR_READ_OP:\r
+ CurrentExpression = CreateExpression (CurrentForm);\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_READ;\r
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r
+\r
+ //\r
+ // Make sure CurrentStatement is not NULL.\r
+ // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR\r
+ // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.\r
+ //\r
+ ASSERT (CurrentStatement != NULL);\r
+ CurrentStatement->ReadExpression = CurrentExpression;\r
+\r
+ //\r
+ // Take a look at next OpCode to see whether current expression consists\r
+ // of single OpCode\r
+ //\r
+ if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {\r
+ SingleOpCodeExpression = TRUE;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_WRITE_OP:\r
+ CurrentExpression = CreateExpression (CurrentForm);\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_WRITE;\r
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r
+\r
+ //\r
+ // Make sure CurrentStatement is not NULL.\r
+ // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR\r
+ // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.\r
+ //\r
+ ASSERT (CurrentStatement != NULL);\r
+ CurrentStatement->WriteExpression = CurrentExpression;\r
+\r
+ //\r
+ // Take a look at next OpCode to see whether current expression consists\r
+ // of single OpCode\r
+ //\r
+ if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {\r
+ SingleOpCodeExpression = TRUE;\r
+ }\r
+ break;\r
+\r
//\r
// Image\r
//\r
break;\r
\r
case EFI_IFR_FORM_OP:\r
+ case EFI_IFR_FORM_MAP_OP:\r
ASSERT (CurrentForm != NULL);\r
ImageId = &CurrentForm->ImageId;\r
break;\r
break;\r
\r
case EFI_IFR_FORM_OP:\r
+ case EFI_IFR_FORM_MAP_OP:\r
//\r
// End of Form\r
//\r
InScopeDefault = FALSE;\r
break;\r
\r
+ case EFI_IFR_MAP_OP:\r
+ //\r
+ // Get current Map Expression List.\r
+ //\r
+ Status = PopMapExpressionList ((VOID **) &MapExpressionList);\r
+ if (Status == EFI_ACCESS_DENIED) {\r
+ MapExpressionList = NULL;\r
+ }\r
+ //\r
+ // Get current expression.\r
+ //\r
+ Status = PopCurrentExpression ((VOID **) &CurrentExpression);\r
+ ASSERT_EFI_ERROR (Status);\r
+ ASSERT (MapScopeDepth > 0);\r
+ MapScopeDepth --;\r
+ break;\r
+\r
default:\r
if (IsExpressionOpCode (ScopeOpCode)) {\r
if (mInScopeDisable && CurrentForm == NULL) {\r
\r
OpCodeDisabled = CurrentExpression->Result.Value.b;\r
//\r
- // DisableIf Expression is only used once and not quequed, free it\r
+ // DisableIf Expression is only used once and not queued, free it\r
//\r
DestroyExpression (CurrentExpression);\r
}\r
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