diff options
Diffstat (limited to 'MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c')
| -rw-r--r-- | MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c | 3430 |
1 files changed, 1715 insertions, 1715 deletions
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c index f640d12..cde8d6f 100644 --- a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c +++ b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c @@ -1,1715 +1,1715 @@ -/** @file -Parser for IFR binary encoding. - -Copyright (c) 2007 - 2008, Intel Corporation -All rights reserved. This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#include "Setup.h" -#include "Ui.h" - -UINT16 mStatementIndex; -UINT16 mExpressionOpCodeIndex; - -BOOLEAN mInScopeSubtitle; -BOOLEAN mInScopeSuppress; -BOOLEAN mInScopeGrayOut; -FORM_EXPRESSION *mSuppressExpression; -FORM_EXPRESSION *mGrayOutExpression; - -EFI_GUID gTianoHiiIfrGuid = EFI_IFR_TIANO_GUID; -GLOBAL_REMOVE_IF_UNREFERENCED EFI_GUID mFrameworkHiiCompatibilityGuid = EFI_IFR_FRAMEWORK_GUID; - - -/** - Initialize Statement header members. - - @param OpCodeData Pointer of the raw OpCode data. - @param FormSet Pointer of the current FormSe. - @param Form Pointer of the current Form. - - @return The Statement. - -**/ -FORM_BROWSER_STATEMENT * -CreateStatement ( - IN UINT8 *OpCodeData, - IN OUT FORM_BROWSER_FORMSET *FormSet, - IN OUT FORM_BROWSER_FORM *Form - ) -{ - FORM_BROWSER_STATEMENT *Statement; - EFI_IFR_STATEMENT_HEADER *StatementHdr; - - if (Form == NULL) { - // - // We are currently not in a Form Scope, so just skip this Statement - // - return NULL; - } - - Statement = &FormSet->StatementBuffer[mStatementIndex]; - mStatementIndex++; - - InitializeListHead (&Statement->DefaultListHead); - InitializeListHead (&Statement->OptionListHead); - InitializeListHead (&Statement->InconsistentListHead); - InitializeListHead (&Statement->NoSubmitListHead); - - Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE; - - Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; - - StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); - CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID)); - CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID)); - - if (mInScopeSuppress) { - Statement->SuppressExpression = mSuppressExpression; - } - - if (mInScopeGrayOut) { - Statement->GrayOutExpression = mGrayOutExpression; - } - - Statement->InSubtitle = mInScopeSubtitle; - - // - // Insert this Statement into current Form - // - InsertTailList (&Form->StatementListHead, &Statement->Link); - - return Statement; -} - -EFI_STATUS -UpdateCheckBoxStringToken ( - IN CONST FORM_BROWSER_FORMSET *FormSet, - IN FORM_BROWSER_STATEMENT *Statement - ) -{ - CHAR16 Str[MAXIMUM_VALUE_CHARACTERS]; - EFI_STRING_ID Id; - EFI_STATUS Status; - - ASSERT (Statement != NULL); - ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP); - - UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1); - - Status = HiiLibNewString (FormSet->HiiHandle, &Id, Str); - - if (EFI_ERROR (Status)) { - return Status; - } - - Statement->VarStoreInfo.VarName = Id; - - return EFI_SUCCESS; -} - -BOOLEAN -IsNextOpCodeGuidedVarEqName ( - UINT8 *OpCodeData - ) -{ - // - // Get next opcode - // - OpCodeData += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; - if (*OpCodeData == EFI_IFR_GUID_OP) { - if (CompareGuid (&mFrameworkHiiCompatibilityGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) { - // - // Specific GUIDed opcodes to support IFR generated from Framework HII VFR - // - if ((((EFI_IFR_GUID_VAREQNAME *) OpCodeData)->ExtendOpCode) == EFI_IFR_EXTEND_OP_VAREQNAME) { - return TRUE; - } - } - } - - return FALSE; -} - -/** - Initialize Question's members. - - @param OpCodeData Pointer of the raw OpCode data. - @param FormSet Pointer of the current FormSet. - @param Form Pointer of the current Form. - - @return The Question. - -**/ -FORM_BROWSER_STATEMENT * -CreateQuestion ( - IN UINT8 *OpCodeData, - IN OUT FORM_BROWSER_FORMSET *FormSet, - IN OUT FORM_BROWSER_FORM *Form - ) -{ - FORM_BROWSER_STATEMENT *Statement; - EFI_IFR_QUESTION_HEADER *QuestionHdr; - LIST_ENTRY *Link; - FORMSET_STORAGE *Storage; - NAME_VALUE_NODE *NameValueNode; - EFI_STATUS Status; - - Statement = CreateStatement (OpCodeData, FormSet, Form); - if (Statement == NULL) { - return NULL; - } - - QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); - CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID)); - CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID)); - CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16)); - - Statement->QuestionFlags = QuestionHdr->Flags; - - if (Statement->VarStoreId == 0) { - // - // VarStoreId of zero indicates no variable storage - // - return Statement; - } - - // - // Take a look at next OpCode to see whether it is a GUIDed opcode to support - // Framework Compatibility - // - if (FeaturePcdGet (PcdFrameworkHiiCompatibilitySupport)) { - if ((*OpCodeData == EFI_IFR_NUMERIC_OP) && IsNextOpCodeGuidedVarEqName (OpCodeData)) { - Status = UpdateCheckBoxStringToken (FormSet, Statement); - if (EFI_ERROR (Status)) { - return NULL; - } - } - } - - // - // Find Storage for this Question - // - Link = GetFirstNode (&FormSet->StorageListHead); - while (!IsNull (&FormSet->StorageListHead, Link)) { - Storage = FORMSET_STORAGE_FROM_LINK (Link); - - if (Storage->VarStoreId == Statement->VarStoreId) { - Statement->Storage = Storage; - break; - } - - Link = GetNextNode (&FormSet->StorageListHead, Link); - } - ASSERT (Statement->Storage != NULL); - - // - // Initialilze varname for Name/Value or EFI Variable - // - if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) || - (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) { - Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle); - ASSERT (Statement->VariableName != NULL); - - if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) { - // - // Insert to Name/Value varstore list - // - NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE)); - ASSERT (NameValueNode != NULL); - NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE; - NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName); - ASSERT (NameValueNode->Name != NULL); - NameValueNode->Value = AllocateZeroPool (0x10); - ASSERT (NameValueNode->Value != NULL); - NameValueNode->EditValue = AllocateZeroPool (0x10); - ASSERT (NameValueNode->EditValue != NULL); - - InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link); - } - } - - return Statement; -} - - -/** - Allocate a FORM_EXPRESSION node. - - @param Form The Form associated with this Expression - - @return Pointer to a FORM_EXPRESSION data structure. - -**/ -FORM_EXPRESSION * -CreateExpression ( - IN OUT FORM_BROWSER_FORM *Form - ) -{ - FORM_EXPRESSION *Expression; - - Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); - Expression->Signature = FORM_EXPRESSION_SIGNATURE; - InitializeListHead (&Expression->OpCodeListHead); - - return Expression; -} - - -/** - Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List. - - @param FormSet Pointer of the current FormSet - - @return Pointer to a FORMSET_STORAGE data structure. - -**/ -FORMSET_STORAGE * -CreateStorage ( - IN FORM_BROWSER_FORMSET *FormSet - ) -{ - FORMSET_STORAGE *Storage; - - Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE)); - Storage->Signature = FORMSET_STORAGE_SIGNATURE; - InitializeListHead (&Storage->NameValueListHead); - InsertTailList (&FormSet->StorageListHead, &Storage->Link); - - return Storage; -} - - -/** - Create ConfigHdr string for a storage. - - @param FormSet Pointer of the current FormSet - @param Storage Pointer of the storage - - @retval EFI_SUCCESS Initialize ConfigHdr success - -**/ -EFI_STATUS -InitializeConfigHdr ( - IN FORM_BROWSER_FORMSET *FormSet, - IN OUT FORMSET_STORAGE *Storage - ) -{ - EFI_STATUS Status; - UINTN StrBufferLen; - CHAR16 *Name; - - if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { - Name = Storage->Name; - } else { - Name = NULL; - } - - StrBufferLen = 0; - Status = ConstructConfigHdr ( - Storage->ConfigHdr, - &StrBufferLen, - &Storage->Guid, - Name, - FormSet->DriverHandle - ); - if (Status == EFI_BUFFER_TOO_SMALL) { - Storage->ConfigHdr = AllocateZeroPool (StrBufferLen); - Status = ConstructConfigHdr ( - Storage->ConfigHdr, - &StrBufferLen, - &Storage->Guid, - Name, - FormSet->DriverHandle - ); - } - - if (EFI_ERROR (Status)) { - return Status; - } - - Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr); - Storage->SpareStrLen = 0; - - return EFI_SUCCESS; -} - - -/** - Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label> - - @param FormSet Pointer of the current FormSet. - @param Question The Question to be initialized. - - @retval EFI_SUCCESS Function success. - @retval EFI_INVALID_PARAMETER No storage associated with the Question. - -**/ -EFI_STATUS -InitializeRequestElement ( - IN OUT FORM_BROWSER_FORMSET *FormSet, - IN OUT FORM_BROWSER_STATEMENT *Question - ) -{ - FORMSET_STORAGE *Storage; - UINTN StrLen; - UINTN StringSize; - CHAR16 *NewStr; - CHAR16 RequestElement[30]; - - Storage = Question->Storage; - if (Storage == NULL) { - return EFI_INVALID_PARAMETER; - } - - if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) { - // - // <ConfigRequest> is unnecessary for EFI variable storage, - // GetVariable()/SetVariable() will be used to retrieve/save values - // - return EFI_SUCCESS; - } - - // - // Prepare <RequestElement> - // - if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { - StrLen = UnicodeSPrint ( - RequestElement, - 30 * sizeof (CHAR16), - L"&OFFSET=%x&WIDTH=%x", - Question->VarStoreInfo.VarOffset, - Question->StorageWidth - ); - Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement); - } else { - StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName); - } - - if ((Question->Operand == EFI_IFR_PASSWORD_OP) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK)) { - // - // Password with CALLBACK flag is stored in encoded format, - // so don't need to append it to <ConfigRequest> - // - return EFI_SUCCESS; - } - - // - // Append <RequestElement> to <ConfigRequest> - // - if (StrLen > Storage->SpareStrLen) { - // - // Old String buffer is not sufficient for RequestElement, allocate a new one - // - StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16); - NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16)); - if (Storage->ConfigRequest != NULL) { - CopyMem (NewStr, Storage->ConfigRequest, StringSize); - gBS->FreePool (Storage->ConfigRequest); - } - Storage->ConfigRequest = NewStr; - Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL; - } - - StrCat (Storage->ConfigRequest, RequestElement); - Storage->ElementCount++; - Storage->SpareStrLen -= StrLen; - - return EFI_SUCCESS; -} - - -/** - Free resources of a Expression. - - @param FormSet Pointer of the Expression - -**/ -VOID -DestroyExpression ( - IN FORM_EXPRESSION *Expression - ) -{ - LIST_ENTRY *Link; - EXPRESSION_OPCODE *OpCode; - - while (!IsListEmpty (&Expression->OpCodeListHead)) { - Link = GetFirstNode (&Expression->OpCodeListHead); - OpCode = EXPRESSION_OPCODE_FROM_LINK (Link); - RemoveEntryList (&OpCode->Link); - - if (OpCode->ValueList != NULL) { - FreePool (OpCode->ValueList); - } - } - - // - // Free this Expression - // - gBS->FreePool (Expression); -} - - -/** - Free resources of a storage. - - @param Storage Pointer of the storage - -**/ -VOID -DestroyStorage ( - IN FORMSET_STORAGE *Storage - ) -{ - LIST_ENTRY *Link; - NAME_VALUE_NODE *NameValueNode; - - if (Storage == NULL) { - return; - } - - if (Storage->Name != NULL) { - FreePool (Storage->Name); - } - if (Storage->Buffer != NULL) { - FreePool (Storage->Buffer); - } - if (Storage->EditBuffer != NULL) { - FreePool (Storage->EditBuffer); - } - - while (!IsListEmpty (&Storage->NameValueListHead)) { - Link = GetFirstNode (&Storage->NameValueListHead); - NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link); - RemoveEntryList (&NameValueNode->Link); - - if (NameValueNode->Name != NULL) { - FreePool (NameValueNode->Name); - } - if (NameValueNode->Value != NULL) { - FreePool (NameValueNode->Value); - } - if (NameValueNode->EditValue != NULL) { - FreePool (NameValueNode->EditValue); - } - FreePool (NameValueNode); - } - - if (Storage->ConfigHdr != NULL) { - FreePool (Storage->ConfigHdr); - } - if (Storage->ConfigRequest != NULL) { - FreePool (Storage->ConfigRequest); - } - - FreePool (Storage); -} - - -/** - Free resources of a Statement. - - @param Statement Pointer of the Statement - -**/ -VOID -DestroyStatement ( - IN OUT FORM_BROWSER_STATEMENT *Statement - ) -{ - LIST_ENTRY *Link; - QUESTION_DEFAULT *Default; - QUESTION_OPTION *Option; - FORM_EXPRESSION *Expression; - - // - // Free Default value List - // - while (!IsListEmpty (&Statement->DefaultListHead)) { - Link = GetFirstNode (&Statement->DefaultListHead); - Default = QUESTION_DEFAULT_FROM_LINK (Link); - RemoveEntryList (&Default->Link); - - gBS->FreePool (Default); - } - - // - // Free Options List - // - while (!IsListEmpty (&Statement->OptionListHead)) { - Link = GetFirstNode (&Statement->OptionListHead); - Option = QUESTION_OPTION_FROM_LINK (Link); - RemoveEntryList (&Option->Link); - - gBS->FreePool (Option); - } - - // - // Free Inconsistent List - // - while (!IsListEmpty (&Statement->InconsistentListHead)) { - Link = GetFirstNode (&Statement->InconsistentListHead); - Expression = FORM_EXPRESSION_FROM_LINK (Link); - RemoveEntryList (&Expression->Link); - - DestroyExpression (Expression); - } - - // - // Free NoSubmit List - // - while (!IsListEmpty (&Statement->NoSubmitListHead)) { - Link = GetFirstNode (&Statement->NoSubmitListHead); - Expression = FORM_EXPRESSION_FROM_LINK (Link); - RemoveEntryList (&Expression->Link); - - DestroyExpression (Expression); - } - - if (Statement->VariableName != NULL) { - FreePool (Statement->VariableName); - } - if (Statement->BlockName != NULL) { - FreePool (Statement->BlockName); - } -} - - -/** - Free resources of a Form. - - @param Form Pointer of the Form. - -**/ -VOID -DestroyForm ( - IN OUT FORM_BROWSER_FORM *Form - ) -{ - LIST_ENTRY *Link; - FORM_EXPRESSION *Expression; - FORM_BROWSER_STATEMENT *Statement; - - // - // Free Form Expressions - // - while (!IsListEmpty (&Form->ExpressionListHead)) { - Link = GetFirstNode (&Form->ExpressionListHead); - Expression = FORM_EXPRESSION_FROM_LINK (Link); - RemoveEntryList (&Expression->Link); - - DestroyExpression (Expression); - } - - // - // Free Statements/Questions - // - while (!IsListEmpty (&Form->StatementListHead)) { - Link = GetFirstNode (&Form->StatementListHead); - Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link); - RemoveEntryList (&Statement->Link); - - DestroyStatement (Statement); - } - - // - // Free this Form - // - gBS->FreePool (Form); -} - - -/** - Free resources allocated for a FormSet. - - @param FormSet Pointer of the FormSet - -**/ -VOID -DestroyFormSet ( - IN OUT FORM_BROWSER_FORMSET *FormSet - ) -{ - LIST_ENTRY *Link; - FORMSET_STORAGE *Storage; - FORMSET_DEFAULTSTORE *DefaultStore; - FORM_BROWSER_FORM *Form; - - // - // Free IFR binary buffer - // - FreePool (FormSet->IfrBinaryData); - - // - // Free FormSet Storage - // - if (FormSet->StorageListHead.ForwardLink != NULL) { - while (!IsListEmpty (&FormSet->StorageListHead)) { - Link = GetFirstNode (&FormSet->StorageListHead); - Storage = FORMSET_STORAGE_FROM_LINK (Link); - RemoveEntryList (&Storage->Link); - - DestroyStorage (Storage); - } - } - - // - // Free FormSet Default Store - // - if (FormSet->DefaultStoreListHead.ForwardLink != NULL) { - while (!IsListEmpty (&FormSet->DefaultStoreListHead)) { - Link = GetFirstNode (&FormSet->DefaultStoreListHead); - DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link); - RemoveEntryList (&DefaultStore->Link); - - gBS->FreePool (DefaultStore); - } - } - - // - // Free Forms - // - if (FormSet->FormListHead.ForwardLink != NULL) { - while (!IsListEmpty (&FormSet->FormListHead)) { - Link = GetFirstNode (&FormSet->FormListHead); - Form = FORM_BROWSER_FORM_FROM_LINK (Link); - RemoveEntryList (&Form->Link); - - DestroyForm (Form); - } - } - - if (FormSet->StatementBuffer != NULL) { - FreePool (FormSet->StatementBuffer); - } - if (FormSet->ExpressionBuffer != NULL) { - FreePool (FormSet->ExpressionBuffer); - } - - FreePool (FormSet); -} - - -/** - Tell whether this Operand is an Expression OpCode or not - - @param Operand Operand of an IFR OpCode. - - @retval TRUE This is an Expression OpCode. - @retval FALSE Not an Expression OpCode. - -**/ -BOOLEAN -IsExpressionOpCode ( - IN UINT8 Operand - ) -{ - if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) || - ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) || - (Operand == EFI_IFR_CATENATE_OP) || - (Operand == EFI_IFR_TO_LOWER_OP) || - (Operand == EFI_IFR_TO_UPPER_OP) || - (Operand == EFI_IFR_VERSION_OP) - ) { - return TRUE; - } else { - return FALSE; - } -} - - -/** - Calculate number of Statemens(Questions) and Expression OpCodes. - - @param FormSet The FormSet to be counted. - @param NumberOfStatement Number of Statemens(Questions) - @param NumberOfExpression Number of Expression OpCodes - -**/ -VOID -CountOpCodes ( - IN FORM_BROWSER_FORMSET *FormSet, - IN OUT UINT16 *NumberOfStatement, - IN OUT UINT16 *NumberOfExpression - ) -{ - UINT16 StatementCount; - UINT16 ExpressionCount; - UINT8 *OpCodeData; - UINTN Offset; - UINTN OpCodeLen; - - Offset = 0; - StatementCount = 0; - ExpressionCount = 0; - - while (Offset < FormSet->IfrBinaryLength) { - OpCodeData = FormSet->IfrBinaryData + Offset; - OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; - Offset += OpCodeLen; - - if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) { - ExpressionCount++; - } else { - StatementCount++; - } - } - - *NumberOfStatement = StatementCount; - *NumberOfExpression = ExpressionCount; -} - - - -/** - Parse opcodes in the formset IFR binary. - - @param FormSet Pointer of the FormSet data structure. - - @retval EFI_SUCCESS Opcode parse success. - @retval Other Opcode parse fail. - -**/ -EFI_STATUS -ParseOpCodes ( - IN FORM_BROWSER_FORMSET *FormSet - ) -{ - EFI_STATUS Status; - UINT16 Index; - FORM_BROWSER_FORM *CurrentForm; - FORM_BROWSER_STATEMENT *CurrentStatement; - EXPRESSION_OPCODE *ExpressionOpCode; - FORM_EXPRESSION *CurrentExpression; - UINT8 Operand; - UINT8 Scope; - UINTN OpCodeOffset; - UINTN OpCodeLength; - UINT8 *OpCodeData; - UINT8 ScopeOpCode; - FORMSET_STORAGE *Storage; - FORMSET_DEFAULTSTORE *DefaultStore; - QUESTION_DEFAULT *CurrentDefault; - QUESTION_OPTION *CurrentOption; - CHAR8 *AsciiString; - UINT16 NumberOfStatement; - UINT16 NumberOfExpression; - EFI_IMAGE_ID *ImageId; - BOOLEAN SuppressForOption; - BOOLEAN InScopeOptionSuppress; - FORM_EXPRESSION *OptionSuppressExpression; - BOOLEAN InScopeDisable; - UINT16 DepthOfDisable; - BOOLEAN OpCodeDisabled; - BOOLEAN SingleOpCodeExpression; - BOOLEAN InScopeDefault; - EFI_HII_VALUE *Value; - - mInScopeSubtitle = FALSE; - SuppressForOption = FALSE; - mInScopeSuppress = FALSE; - InScopeOptionSuppress = FALSE; - mInScopeGrayOut = FALSE; - InScopeDisable = FALSE; - DepthOfDisable = 0; - OpCodeDisabled = FALSE; - SingleOpCodeExpression = FALSE; - InScopeDefault = FALSE; - CurrentExpression = NULL; - CurrentDefault = NULL; - CurrentOption = NULL; - OptionSuppressExpression = NULL; - - // - // Get the number of Statements and Expressions - // - CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression); - - mStatementIndex = 0; - FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT)); - if (FormSet->StatementBuffer == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - mExpressionOpCodeIndex = 0; - FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE)); - if (FormSet->ExpressionBuffer == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - InitializeListHead (&FormSet->StorageListHead); - InitializeListHead (&FormSet->DefaultStoreListHead); - InitializeListHead (&FormSet->FormListHead); - - CurrentForm = NULL; - CurrentStatement = NULL; - - ResetScopeStack (); - - OpCodeOffset = 0; - while (OpCodeOffset < FormSet->IfrBinaryLength) { - OpCodeData = FormSet->IfrBinaryData + OpCodeOffset; - - OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; - OpCodeOffset += OpCodeLength; - Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; - Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope; - - // - // If scope bit set, push onto scope stack - // - if (Scope != 0) { - PushScope (Operand); - } - - if (OpCodeDisabled) { - // - // DisableIf Expression is evaluated to be TRUE, try to find its end. - // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END - // - if (Operand == EFI_IFR_DISABLE_IF_OP) { - DepthOfDisable++; - } else if (Operand == EFI_IFR_END_OP) { - Status = PopScope (&ScopeOpCode); - if (EFI_ERROR (Status)) { - return Status; - } - - if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) { - if (DepthOfDisable == 0) { - InScopeDisable = FALSE; - OpCodeDisabled = FALSE; - } else { - DepthOfDisable--; - } - } - } - continue; - } - - if (IsExpressionOpCode (Operand)) { - ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex]; - mExpressionOpCodeIndex++; - - ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE; - ExpressionOpCode->Operand = Operand; - Value = &ExpressionOpCode->Value; - - switch (Operand) { - case EFI_IFR_EQ_ID_VAL_OP: - CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); - - Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; - CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16)); - break; - - case EFI_IFR_EQ_ID_ID_OP: - CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID)); - CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID)); - break; - - case EFI_IFR_EQ_ID_LIST_OP: - CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); - CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16)); - ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList); - break; - - case EFI_IFR_TO_STRING_OP: - case EFI_IFR_FIND_OP: - ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format; - break; - - case EFI_IFR_STRING_REF1_OP: - Value->Type = EFI_IFR_TYPE_STRING; - CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID)); - break; - - case EFI_IFR_RULE_REF_OP: - ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId; - break; - - case EFI_IFR_SPAN_OP: - ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags; - break; - - case EFI_IFR_THIS_OP: - ExpressionOpCode->QuestionId = CurrentStatement->QuestionId; - break; - - case EFI_IFR_QUESTION_REF1_OP: - CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); - break; - - case EFI_IFR_QUESTION_REF3_OP: - if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) { - CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); - - if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) { - CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID)); - } - } - break; - - // - // constant - // - case EFI_IFR_TRUE_OP: - Value->Type = EFI_IFR_TYPE_BOOLEAN; - Value->Value.b = TRUE; - break; - - case EFI_IFR_FALSE_OP: - Value->Type = EFI_IFR_TYPE_BOOLEAN; - Value->Value.b = FALSE; - break; - - case EFI_IFR_ONE_OP: - Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; - Value->Value.u8 = 1; - break; - - case EFI_IFR_ZERO_OP: - Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; - Value->Value.u8 = 0; - break; - - case EFI_IFR_ONES_OP: - Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; - Value->Value.u64 = 0xffffffffffffffffULL; - break; - - case EFI_IFR_UINT8_OP: - Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; - Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value; - break; - - case EFI_IFR_UINT16_OP: - Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; - CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16)); - break; - - case EFI_IFR_UINT32_OP: - Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; - CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32)); - break; - - case EFI_IFR_UINT64_OP: - Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; - CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64)); - break; - - case EFI_IFR_UNDEFINED_OP: - Value->Type = EFI_IFR_TYPE_OTHER; - break; - - case EFI_IFR_VERSION_OP: - Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; - Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION; - break; - - default: - break; - } - - InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link); - - if (SingleOpCodeExpression) { - // - // There are two cases to indicate the end of an Expression: - // for single OpCode expression: one Expression OpCode - // for expression consists of more than one OpCode: EFI_IFR_END - // - SingleOpCodeExpression = FALSE; - - if (InScopeDisable) { - // - // Evaluate DisableIf expression - // - Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); - if (EFI_ERROR (Status)) { - return Status; - } - if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { - return EFI_INVALID_PARAMETER; - } - - OpCodeDisabled = CurrentExpression->Result.Value.b; - } - - CurrentExpression = NULL; - } - - continue; - } - - // - // Parse the Opcode - // - switch (Operand) { - - case EFI_IFR_FORM_SET_OP: - // - // check the formset GUID - // - if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) { - return EFI_INVALID_PARAMETER; - } - - CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID)); - CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID)); - break; - - case EFI_IFR_FORM_OP: - // - // Create a new Form for this FormSet - // - CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM)); - CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE; - InitializeListHead (&CurrentForm->ExpressionListHead); - InitializeListHead (&CurrentForm->StatementListHead); - - CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16)); - CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID)); - - // - // Insert into Form list of this FormSet - // - InsertTailList (&FormSet->FormListHead, &CurrentForm->Link); - break; - - // - // Storage - // - case EFI_IFR_VARSTORE_OP: - // - // Create a buffer Storage for this FormSet - // - Storage = CreateStorage (FormSet); - Storage->Type = EFI_HII_VARSTORE_BUFFER; - - CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); - CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID)); - CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16)); - - Storage->Buffer = AllocateZeroPool (Storage->Size); - Storage->EditBuffer = AllocateZeroPool (Storage->Size); - - AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name; - Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2); - ASSERT (Storage->Name != NULL); - for (Index = 0; AsciiString[Index] != 0; Index++) { - Storage->Name[Index] = (CHAR16) AsciiString[Index]; - } - - // - // Initialize <ConfigHdr> - // - InitializeConfigHdr (FormSet, Storage); - break; - - case EFI_IFR_VARSTORE_NAME_VALUE_OP: - // - // Create a name/value Storage for this FormSet - // - Storage = CreateStorage (FormSet); - Storage->Type = EFI_HII_VARSTORE_NAME_VALUE; - - CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); - CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID)); - - // - // Initialize <ConfigHdr> - // - InitializeConfigHdr (FormSet, Storage); - break; - - case EFI_IFR_VARSTORE_EFI_OP: - // - // Create a EFI variable Storage for this FormSet - // - Storage = CreateStorage (FormSet); - Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE; - - CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); - CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID)); - CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32)); - break; - - // - // DefaultStore - // - case EFI_IFR_DEFAULTSTORE_OP: - DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE)); - DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE; - - CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16)); - CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID)); - - // - // Insert to DefaultStore list of this Formset - // - InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link); - break; - - // - // Statements - // - case EFI_IFR_SUBTITLE_OP: - CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); - CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags; - - if (Scope != 0) { - mInScopeSubtitle = TRUE; - } - break; - - case EFI_IFR_TEXT_OP: - CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); - - CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID)); - break; - - // - // Questions - // - case EFI_IFR_ACTION_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) { - // - // No QuestionConfig present, so no configuration string will be processed - // - CurrentStatement->QuestionConfig = 0; - } else { - CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID)); - } - break; - - case EFI_IFR_RESET_BUTTON_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID)); - break; - - case EFI_IFR_REF_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID)); - if (OpCodeLength >= sizeof (EFI_IFR_REF2)) { - CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); - - if (OpCodeLength >= sizeof (EFI_IFR_REF3)) { - CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID)); - - if (OpCodeLength >= sizeof (EFI_IFR_REF4)) { - CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); - } - } - } - break; - - case EFI_IFR_ONE_OF_OP: - case EFI_IFR_NUMERIC_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags; - Value = &CurrentStatement->HiiValue; - - switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) { - case EFI_IFR_NUMERIC_SIZE_1: - CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue; - CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue; - CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step; - CurrentStatement->StorageWidth = sizeof (UINT8); - Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; - break; - - case EFI_IFR_NUMERIC_SIZE_2: - CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16)); - CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16)); - CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16)); - CurrentStatement->StorageWidth = sizeof (UINT16); - Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; - break; - - case EFI_IFR_NUMERIC_SIZE_4: - CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32)); - CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32)); - CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32)); - CurrentStatement->StorageWidth = sizeof (UINT32); - Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; - break; - - case EFI_IFR_NUMERIC_SIZE_8: - CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64)); - CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64)); - CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64)); - CurrentStatement->StorageWidth = sizeof (UINT64); - Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; - break; - - default: - break; - } - - InitializeRequestElement (FormSet, CurrentStatement); - - if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) { - SuppressForOption = TRUE; - } - break; - - case EFI_IFR_ORDERED_LIST_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags; - CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers; - CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8)); - InitializeRequestElement (FormSet, CurrentStatement); - - // - // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver - // has to use FormBrowser2.Callback() to retrieve the uncommited data for - // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set). - // - CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER; - CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth); - - if (Scope != 0) { - SuppressForOption = TRUE; - } - break; - - case EFI_IFR_CHECKBOX_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags; - CurrentStatement->StorageWidth = sizeof (BOOLEAN); - CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN; - - InitializeRequestElement (FormSet, CurrentStatement); - - break; - - case EFI_IFR_STRING_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - // - // MinSize is the minimum number of characters that can be accepted for this opcode, - // MaxSize is the maximum number of characters that can be accepted for this opcode. - // The characters are stored as Unicode, so the storage width should multiply 2. - // - CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize; - CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize; - CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16)); - CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags; - - CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; - CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16)); - - InitializeRequestElement (FormSet, CurrentStatement); - break; - - case EFI_IFR_PASSWORD_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - // - // MinSize is the minimum number of characters that can be accepted for this opcode, - // MaxSize is the maximum number of characters that can be accepted for this opcode. - // The characters are stored as Unicode, so the storage width should multiply 2. - // - CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16)); - CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16)); - CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16)); - - CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; - CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16))); - - InitializeRequestElement (FormSet, CurrentStatement); - break; - - case EFI_IFR_DATE_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags; - CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE; - - if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) { - CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE); - - InitializeRequestElement (FormSet, CurrentStatement); - } else { - // - // Don't assign storage for RTC type of date/time - // - CurrentStatement->Storage = NULL; - CurrentStatement->StorageWidth = 0; - } - break; - - case EFI_IFR_TIME_OP: - CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); - - CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags; - CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME; - - if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) { - CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME); - - InitializeRequestElement (FormSet, CurrentStatement); - } else { - // - // Don't assign storage for RTC type of date/time - // - CurrentStatement->Storage = NULL; - CurrentStatement->StorageWidth = 0; - } - break; - - // - // Default - // - case EFI_IFR_DEFAULT_OP: - // - // EFI_IFR_DEFAULT appear in scope of a Question, - // It creates a default value for the current question. - // A Question may have more than one Default value which have different default types. - // - CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT)); - CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE; - - CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type; - CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16)); - CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); - ExtendValueToU64 (&CurrentDefault->Value); - - // - // Insert to Default Value list of current Question - // - InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link); - - if (Scope != 0) { - InScopeDefault = TRUE; - } - break; - - // - // Option - // - case EFI_IFR_ONE_OF_OPTION_OP: - // - // EFI_IFR_ONE_OF_OPTION appear in scope of a Question. - // It create a selection for use in current Question. - // - CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION)); - CurrentOption->Signature = QUESTION_OPTION_SIGNATURE; - - CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags; - CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type; - CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID)); - CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); - ExtendValueToU64 (&CurrentOption->Value); - - if (InScopeOptionSuppress) { - CurrentOption->SuppressExpression = OptionSuppressExpression; - } - - // - // Insert to Option list of current Question - // - InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link); - break; - - // - // Conditional - // - case EFI_IFR_NO_SUBMIT_IF_OP: - case EFI_IFR_INCONSISTENT_IF_OP: - // - // Create an Expression node - // - CurrentExpression = CreateExpression (CurrentForm); - CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID)); - - if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) { - CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF; - InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link); - } else { - CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF; - InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link); - } - break; - - case EFI_IFR_SUPPRESS_IF_OP: - // - // Question and Option will appear in scope of this OpCode - // - CurrentExpression = CreateExpression (CurrentForm); - CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF; - InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); - - if (SuppressForOption) { - InScopeOptionSuppress = TRUE; - OptionSuppressExpression = CurrentExpression; - } else { - mInScopeSuppress = TRUE; - mSuppressExpression = CurrentExpression; - } - break; - - case EFI_IFR_GRAY_OUT_IF_OP: - // - // Questions will appear in scope of this OpCode - // - CurrentExpression = CreateExpression (CurrentForm); - CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF; - InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); - - mInScopeGrayOut = TRUE; - mGrayOutExpression = CurrentExpression; - break; - - case EFI_IFR_DISABLE_IF_OP: - // - // The DisableIf expression should only rely on constant, so it could be - // evaluated at initialization and it will not be queued - // - CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); - CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE; - CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF; - InitializeListHead (&CurrentExpression->OpCodeListHead); - - InScopeDisable = TRUE; - OpCodeDisabled = FALSE; - - // - // Take a look at next OpCode to see whether current expression consists - // of single OpCode - // - if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) { - SingleOpCodeExpression = TRUE; - } - break; - - // - // Expression - // - case EFI_IFR_VALUE_OP: - CurrentExpression = CreateExpression (CurrentForm); - CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE; - InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); - - if (InScopeDefault) { - // - // Used for default (EFI_IFR_DEFAULT) - // - CurrentDefault->ValueExpression = CurrentExpression; - } else { - // - // If used for a question, then the question will be read-only - // - CurrentStatement->ValueExpression = CurrentExpression; - } - break; - - case EFI_IFR_RULE_OP: - CurrentExpression = CreateExpression (CurrentForm); - CurrentExpression->Type = EFI_HII_EXPRESSION_RULE; - - CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId; - InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); - break; - - // - // Image - // - case EFI_IFR_IMAGE_OP: - // - // Get ScopeOpcode from top of stack - // - PopScope (&ScopeOpCode); - PushScope (ScopeOpCode); - - switch (ScopeOpCode) { - case EFI_IFR_FORM_SET_OP: - ImageId = &FormSet->ImageId; - break; - - case EFI_IFR_FORM_OP: - ImageId = &CurrentForm->ImageId; - break; - - case EFI_IFR_ONE_OF_OPTION_OP: - ImageId = &CurrentOption->ImageId; - break; - - default: - ImageId = &CurrentStatement->ImageId; - break; - } - - CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID)); - break; - - // - // Refresh - // - case EFI_IFR_REFRESH_OP: - CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval; - break; - - // - // Vendor specific - // - case EFI_IFR_GUID_OP: - if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) { - // - // Tiano specific GUIDed opcodes - // - switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) { - case EFI_IFR_EXTEND_OP_LABEL: - // - // just ignore label - // - break; - - case EFI_IFR_EXTEND_OP_BANNER: - if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) { - CopyMem ( - &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][ - ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment], - &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title, - sizeof (EFI_STRING_ID) - ); - } - break; - - case EFI_IFR_EXTEND_OP_CLASS: - CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16)); - break; - - case EFI_IFR_EXTEND_OP_SUBCLASS: - CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16)); - break; - - default: - break; - } - } - - break; - - // - // Scope End - // - case EFI_IFR_END_OP: - Status = PopScope (&ScopeOpCode); - if (EFI_ERROR (Status)) { - ResetScopeStack (); - return Status; - } - - switch (ScopeOpCode) { - case EFI_IFR_FORM_SET_OP: - // - // End of FormSet, update FormSet IFR binary length - // to stop parsing substantial OpCodes - // - FormSet->IfrBinaryLength = OpCodeOffset; - break; - - case EFI_IFR_FORM_OP: - // - // End of Form - // - CurrentForm = NULL; - break; - - case EFI_IFR_ONE_OF_OPTION_OP: - // - // End of Option - // - CurrentOption = NULL; - break; - - case EFI_IFR_SUBTITLE_OP: - mInScopeSubtitle = FALSE; - break; - - case EFI_IFR_NO_SUBMIT_IF_OP: - case EFI_IFR_INCONSISTENT_IF_OP: - // - // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF - // - break; - - case EFI_IFR_SUPPRESS_IF_OP: - if (SuppressForOption) { - InScopeOptionSuppress = FALSE; - } else { - mInScopeSuppress = FALSE; - } - break; - - case EFI_IFR_GRAY_OUT_IF_OP: - mInScopeGrayOut = FALSE; - break; - - case EFI_IFR_DISABLE_IF_OP: - InScopeDisable = FALSE; - OpCodeDisabled = FALSE; - break; - - case EFI_IFR_ONE_OF_OP: - case EFI_IFR_ORDERED_LIST_OP: - SuppressForOption = FALSE; - break; - - case EFI_IFR_DEFAULT_OP: - InScopeDefault = FALSE; - break; - - default: - if (IsExpressionOpCode (ScopeOpCode)) { - if (InScopeDisable) { - // - // Evaluate DisableIf expression - // - Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); - if (EFI_ERROR (Status)) { - return Status; - } - if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { - return EFI_INVALID_PARAMETER; - } - - OpCodeDisabled = CurrentExpression->Result.Value.b; - // - // DisableIf Expression is only used once and not quequed, free it - // - DestroyExpression (CurrentExpression); - } - - // - // End of current Expression - // - CurrentExpression = NULL; - } - break; - } - break; - - default: - break; - } - } - - return EFI_SUCCESS; -} +/** @file
+Parser for IFR binary encoding.
+
+Copyright (c) 2007 - 2008, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "Setup.h"
+#include "Ui.h"
+
+UINT16 mStatementIndex;
+UINT16 mExpressionOpCodeIndex;
+
+BOOLEAN mInScopeSubtitle;
+BOOLEAN mInScopeSuppress;
+BOOLEAN mInScopeGrayOut;
+FORM_EXPRESSION *mSuppressExpression;
+FORM_EXPRESSION *mGrayOutExpression;
+
+EFI_GUID gTianoHiiIfrGuid = EFI_IFR_TIANO_GUID;
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_GUID mFrameworkHiiCompatibilityGuid = EFI_IFR_FRAMEWORK_GUID;
+
+
+/**
+ Initialize Statement header members.
+
+ @param OpCodeData Pointer of the raw OpCode data.
+ @param FormSet Pointer of the current FormSe.
+ @param Form Pointer of the current Form.
+
+ @return The Statement.
+
+**/
+FORM_BROWSER_STATEMENT *
+CreateStatement (
+ IN UINT8 *OpCodeData,
+ IN OUT FORM_BROWSER_FORMSET *FormSet,
+ IN OUT FORM_BROWSER_FORM *Form
+ )
+{
+ FORM_BROWSER_STATEMENT *Statement;
+ EFI_IFR_STATEMENT_HEADER *StatementHdr;
+
+ if (Form == NULL) {
+ //
+ // We are currently not in a Form Scope, so just skip this Statement
+ //
+ return NULL;
+ }
+
+ Statement = &FormSet->StatementBuffer[mStatementIndex];
+ mStatementIndex++;
+
+ InitializeListHead (&Statement->DefaultListHead);
+ InitializeListHead (&Statement->OptionListHead);
+ InitializeListHead (&Statement->InconsistentListHead);
+ InitializeListHead (&Statement->NoSubmitListHead);
+
+ Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE;
+
+ Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;
+
+ StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));
+ CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID));
+ CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID));
+
+ if (mInScopeSuppress) {
+ Statement->SuppressExpression = mSuppressExpression;
+ }
+
+ if (mInScopeGrayOut) {
+ Statement->GrayOutExpression = mGrayOutExpression;
+ }
+
+ Statement->InSubtitle = mInScopeSubtitle;
+
+ //
+ // Insert this Statement into current Form
+ //
+ InsertTailList (&Form->StatementListHead, &Statement->Link);
+
+ return Statement;
+}
+
+EFI_STATUS
+UpdateCheckBoxStringToken (
+ IN CONST FORM_BROWSER_FORMSET *FormSet,
+ IN FORM_BROWSER_STATEMENT *Statement
+ )
+{
+ CHAR16 Str[MAXIMUM_VALUE_CHARACTERS];
+ EFI_STRING_ID Id;
+ EFI_STATUS Status;
+
+ ASSERT (Statement != NULL);
+ ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP);
+
+ UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1);
+
+ Status = HiiLibNewString (FormSet->HiiHandle, &Id, Str);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Statement->VarStoreInfo.VarName = Id;
+
+ return EFI_SUCCESS;
+}
+
+BOOLEAN
+IsNextOpCodeGuidedVarEqName (
+ UINT8 *OpCodeData
+ )
+{
+ //
+ // Get next opcode
+ //
+ OpCodeData += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
+ if (*OpCodeData == EFI_IFR_GUID_OP) {
+ if (CompareGuid (&mFrameworkHiiCompatibilityGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {
+ //
+ // Specific GUIDed opcodes to support IFR generated from Framework HII VFR
+ //
+ if ((((EFI_IFR_GUID_VAREQNAME *) OpCodeData)->ExtendOpCode) == EFI_IFR_EXTEND_OP_VAREQNAME) {
+ return TRUE;
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+/**
+ Initialize Question's members.
+
+ @param OpCodeData Pointer of the raw OpCode data.
+ @param FormSet Pointer of the current FormSet.
+ @param Form Pointer of the current Form.
+
+ @return The Question.
+
+**/
+FORM_BROWSER_STATEMENT *
+CreateQuestion (
+ IN UINT8 *OpCodeData,
+ IN OUT FORM_BROWSER_FORMSET *FormSet,
+ IN OUT FORM_BROWSER_FORM *Form
+ )
+{
+ FORM_BROWSER_STATEMENT *Statement;
+ EFI_IFR_QUESTION_HEADER *QuestionHdr;
+ LIST_ENTRY *Link;
+ FORMSET_STORAGE *Storage;
+ NAME_VALUE_NODE *NameValueNode;
+ EFI_STATUS Status;
+
+ Statement = CreateStatement (OpCodeData, FormSet, Form);
+ if (Statement == NULL) {
+ return NULL;
+ }
+
+ QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));
+ CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID));
+ CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID));
+ CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16));
+
+ Statement->QuestionFlags = QuestionHdr->Flags;
+
+ if (Statement->VarStoreId == 0) {
+ //
+ // VarStoreId of zero indicates no variable storage
+ //
+ return Statement;
+ }
+
+ //
+ // Take a look at next OpCode to see whether it is a GUIDed opcode to support
+ // Framework Compatibility
+ //
+ if (FeaturePcdGet (PcdFrameworkHiiCompatibilitySupport)) {
+ if ((*OpCodeData == EFI_IFR_NUMERIC_OP) && IsNextOpCodeGuidedVarEqName (OpCodeData)) {
+ Status = UpdateCheckBoxStringToken (FormSet, Statement);
+ if (EFI_ERROR (Status)) {
+ return NULL;
+ }
+ }
+ }
+
+ //
+ // Find Storage for this Question
+ //
+ Link = GetFirstNode (&FormSet->StorageListHead);
+ while (!IsNull (&FormSet->StorageListHead, Link)) {
+ Storage = FORMSET_STORAGE_FROM_LINK (Link);
+
+ if (Storage->VarStoreId == Statement->VarStoreId) {
+ Statement->Storage = Storage;
+ break;
+ }
+
+ Link = GetNextNode (&FormSet->StorageListHead, Link);
+ }
+ ASSERT (Statement->Storage != NULL);
+
+ //
+ // Initialilze varname for Name/Value or EFI Variable
+ //
+ if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) ||
+ (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {
+ Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle);
+ ASSERT (Statement->VariableName != NULL);
+
+ if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {
+ //
+ // Insert to Name/Value varstore list
+ //
+ NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE));
+ ASSERT (NameValueNode != NULL);
+ NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE;
+ NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName);
+ ASSERT (NameValueNode->Name != NULL);
+ NameValueNode->Value = AllocateZeroPool (0x10);
+ ASSERT (NameValueNode->Value != NULL);
+ NameValueNode->EditValue = AllocateZeroPool (0x10);
+ ASSERT (NameValueNode->EditValue != NULL);
+
+ InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link);
+ }
+ }
+
+ return Statement;
+}
+
+
+/**
+ Allocate a FORM_EXPRESSION node.
+
+ @param Form The Form associated with this Expression
+
+ @return Pointer to a FORM_EXPRESSION data structure.
+
+**/
+FORM_EXPRESSION *
+CreateExpression (
+ IN OUT FORM_BROWSER_FORM *Form
+ )
+{
+ FORM_EXPRESSION *Expression;
+
+ Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION));
+ Expression->Signature = FORM_EXPRESSION_SIGNATURE;
+ InitializeListHead (&Expression->OpCodeListHead);
+
+ return Expression;
+}
+
+
+/**
+ Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.
+
+ @param FormSet Pointer of the current FormSet
+
+ @return Pointer to a FORMSET_STORAGE data structure.
+
+**/
+FORMSET_STORAGE *
+CreateStorage (
+ IN FORM_BROWSER_FORMSET *FormSet
+ )
+{
+ FORMSET_STORAGE *Storage;
+
+ Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));
+ Storage->Signature = FORMSET_STORAGE_SIGNATURE;
+ InitializeListHead (&Storage->NameValueListHead);
+ InsertTailList (&FormSet->StorageListHead, &Storage->Link);
+
+ return Storage;
+}
+
+
+/**
+ Create ConfigHdr string for a storage.
+
+ @param FormSet Pointer of the current FormSet
+ @param Storage Pointer of the storage
+
+ @retval EFI_SUCCESS Initialize ConfigHdr success
+
+**/
+EFI_STATUS
+InitializeConfigHdr (
+ IN FORM_BROWSER_FORMSET *FormSet,
+ IN OUT FORMSET_STORAGE *Storage
+ )
+{
+ EFI_STATUS Status;
+ UINTN StrBufferLen;
+ CHAR16 *Name;
+
+ if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {
+ Name = Storage->Name;
+ } else {
+ Name = NULL;
+ }
+
+ StrBufferLen = 0;
+ Status = ConstructConfigHdr (
+ Storage->ConfigHdr,
+ &StrBufferLen,
+ &Storage->Guid,
+ Name,
+ FormSet->DriverHandle
+ );
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ Storage->ConfigHdr = AllocateZeroPool (StrBufferLen);
+ Status = ConstructConfigHdr (
+ Storage->ConfigHdr,
+ &StrBufferLen,
+ &Storage->Guid,
+ Name,
+ FormSet->DriverHandle
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr);
+ Storage->SpareStrLen = 0;
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>
+
+ @param FormSet Pointer of the current FormSet.
+ @param Question The Question to be initialized.
+
+ @retval EFI_SUCCESS Function success.
+ @retval EFI_INVALID_PARAMETER No storage associated with the Question.
+
+**/
+EFI_STATUS
+InitializeRequestElement (
+ IN OUT FORM_BROWSER_FORMSET *FormSet,
+ IN OUT FORM_BROWSER_STATEMENT *Question
+ )
+{
+ FORMSET_STORAGE *Storage;
+ UINTN StrLen;
+ UINTN StringSize;
+ CHAR16 *NewStr;
+ CHAR16 RequestElement[30];
+
+ Storage = Question->Storage;
+ if (Storage == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {
+ //
+ // <ConfigRequest> is unnecessary for EFI variable storage,
+ // GetVariable()/SetVariable() will be used to retrieve/save values
+ //
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Prepare <RequestElement>
+ //
+ if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {
+ StrLen = UnicodeSPrint (
+ RequestElement,
+ 30 * sizeof (CHAR16),
+ L"&OFFSET=%x&WIDTH=%x",
+ Question->VarStoreInfo.VarOffset,
+ Question->StorageWidth
+ );
+ Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement);
+ } else {
+ StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName);
+ }
+
+ if ((Question->Operand == EFI_IFR_PASSWORD_OP) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK)) {
+ //
+ // Password with CALLBACK flag is stored in encoded format,
+ // so don't need to append it to <ConfigRequest>
+ //
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Append <RequestElement> to <ConfigRequest>
+ //
+ if (StrLen > Storage->SpareStrLen) {
+ //
+ // Old String buffer is not sufficient for RequestElement, allocate a new one
+ //
+ StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16);
+ NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16));
+ if (Storage->ConfigRequest != NULL) {
+ CopyMem (NewStr, Storage->ConfigRequest, StringSize);
+ gBS->FreePool (Storage->ConfigRequest);
+ }
+ Storage->ConfigRequest = NewStr;
+ Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL;
+ }
+
+ StrCat (Storage->ConfigRequest, RequestElement);
+ Storage->ElementCount++;
+ Storage->SpareStrLen -= StrLen;
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Free resources of a Expression.
+
+ @param FormSet Pointer of the Expression
+
+**/
+VOID
+DestroyExpression (
+ IN FORM_EXPRESSION *Expression
+ )
+{
+ LIST_ENTRY *Link;
+ EXPRESSION_OPCODE *OpCode;
+
+ while (!IsListEmpty (&Expression->OpCodeListHead)) {
+ Link = GetFirstNode (&Expression->OpCodeListHead);
+ OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);
+ RemoveEntryList (&OpCode->Link);
+
+ if (OpCode->ValueList != NULL) {
+ FreePool (OpCode->ValueList);
+ }
+ }
+
+ //
+ // Free this Expression
+ //
+ gBS->FreePool (Expression);
+}
+
+
+/**
+ Free resources of a storage.
+
+ @param Storage Pointer of the storage
+
+**/
+VOID
+DestroyStorage (
+ IN FORMSET_STORAGE *Storage
+ )
+{
+ LIST_ENTRY *Link;
+ NAME_VALUE_NODE *NameValueNode;
+
+ if (Storage == NULL) {
+ return;
+ }
+
+ if (Storage->Name != NULL) {
+ FreePool (Storage->Name);
+ }
+ if (Storage->Buffer != NULL) {
+ FreePool (Storage->Buffer);
+ }
+ if (Storage->EditBuffer != NULL) {
+ FreePool (Storage->EditBuffer);
+ }
+
+ while (!IsListEmpty (&Storage->NameValueListHead)) {
+ Link = GetFirstNode (&Storage->NameValueListHead);
+ NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);
+ RemoveEntryList (&NameValueNode->Link);
+
+ if (NameValueNode->Name != NULL) {
+ FreePool (NameValueNode->Name);
+ }
+ if (NameValueNode->Value != NULL) {
+ FreePool (NameValueNode->Value);
+ }
+ if (NameValueNode->EditValue != NULL) {
+ FreePool (NameValueNode->EditValue);
+ }
+ FreePool (NameValueNode);
+ }
+
+ if (Storage->ConfigHdr != NULL) {
+ FreePool (Storage->ConfigHdr);
+ }
+ if (Storage->ConfigRequest != NULL) {
+ FreePool (Storage->ConfigRequest);
+ }
+
+ FreePool (Storage);
+}
+
+
+/**
+ Free resources of a Statement.
+
+ @param Statement Pointer of the Statement
+
+**/
+VOID
+DestroyStatement (
+ IN OUT FORM_BROWSER_STATEMENT *Statement
+ )
+{
+ LIST_ENTRY *Link;
+ QUESTION_DEFAULT *Default;
+ QUESTION_OPTION *Option;
+ FORM_EXPRESSION *Expression;
+
+ //
+ // Free Default value List
+ //
+ while (!IsListEmpty (&Statement->DefaultListHead)) {
+ Link = GetFirstNode (&Statement->DefaultListHead);
+ Default = QUESTION_DEFAULT_FROM_LINK (Link);
+ RemoveEntryList (&Default->Link);
+
+ gBS->FreePool (Default);
+ }
+
+ //
+ // Free Options List
+ //
+ while (!IsListEmpty (&Statement->OptionListHead)) {
+ Link = GetFirstNode (&Statement->OptionListHead);
+ Option = QUESTION_OPTION_FROM_LINK (Link);
+ RemoveEntryList (&Option->Link);
+
+ gBS->FreePool (Option);
+ }
+
+ //
+ // Free Inconsistent List
+ //
+ while (!IsListEmpty (&Statement->InconsistentListHead)) {
+ Link = GetFirstNode (&Statement->InconsistentListHead);
+ Expression = FORM_EXPRESSION_FROM_LINK (Link);
+ RemoveEntryList (&Expression->Link);
+
+ DestroyExpression (Expression);
+ }
+
+ //
+ // Free NoSubmit List
+ //
+ while (!IsListEmpty (&Statement->NoSubmitListHead)) {
+ Link = GetFirstNode (&Statement->NoSubmitListHead);
+ Expression = FORM_EXPRESSION_FROM_LINK (Link);
+ RemoveEntryList (&Expression->Link);
+
+ DestroyExpression (Expression);
+ }
+
+ if (Statement->VariableName != NULL) {
+ FreePool (Statement->VariableName);
+ }
+ if (Statement->BlockName != NULL) {
+ FreePool (Statement->BlockName);
+ }
+}
+
+
+/**
+ Free resources of a Form.
+
+ @param Form Pointer of the Form.
+
+**/
+VOID
+DestroyForm (
+ IN OUT FORM_BROWSER_FORM *Form
+ )
+{
+ LIST_ENTRY *Link;
+ FORM_EXPRESSION *Expression;
+ FORM_BROWSER_STATEMENT *Statement;
+
+ //
+ // Free Form Expressions
+ //
+ while (!IsListEmpty (&Form->ExpressionListHead)) {
+ Link = GetFirstNode (&Form->ExpressionListHead);
+ Expression = FORM_EXPRESSION_FROM_LINK (Link);
+ RemoveEntryList (&Expression->Link);
+
+ DestroyExpression (Expression);
+ }
+
+ //
+ // Free Statements/Questions
+ //
+ while (!IsListEmpty (&Form->StatementListHead)) {
+ Link = GetFirstNode (&Form->StatementListHead);
+ Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);
+ RemoveEntryList (&Statement->Link);
+
+ DestroyStatement (Statement);
+ }
+
+ //
+ // Free this Form
+ //
+ gBS->FreePool (Form);
+}
+
+
+/**
+ Free resources allocated for a FormSet.
+
+ @param FormSet Pointer of the FormSet
+
+**/
+VOID
+DestroyFormSet (
+ IN OUT FORM_BROWSER_FORMSET *FormSet
+ )
+{
+ LIST_ENTRY *Link;
+ FORMSET_STORAGE *Storage;
+ FORMSET_DEFAULTSTORE *DefaultStore;
+ FORM_BROWSER_FORM *Form;
+
+ //
+ // Free IFR binary buffer
+ //
+ FreePool (FormSet->IfrBinaryData);
+
+ //
+ // Free FormSet Storage
+ //
+ if (FormSet->StorageListHead.ForwardLink != NULL) {
+ while (!IsListEmpty (&FormSet->StorageListHead)) {
+ Link = GetFirstNode (&FormSet->StorageListHead);
+ Storage = FORMSET_STORAGE_FROM_LINK (Link);
+ RemoveEntryList (&Storage->Link);
+
+ DestroyStorage (Storage);
+ }
+ }
+
+ //
+ // Free FormSet Default Store
+ //
+ if (FormSet->DefaultStoreListHead.ForwardLink != NULL) {
+ while (!IsListEmpty (&FormSet->DefaultStoreListHead)) {
+ Link = GetFirstNode (&FormSet->DefaultStoreListHead);
+ DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link);
+ RemoveEntryList (&DefaultStore->Link);
+
+ gBS->FreePool (DefaultStore);
+ }
+ }
+
+ //
+ // Free Forms
+ //
+ if (FormSet->FormListHead.ForwardLink != NULL) {
+ while (!IsListEmpty (&FormSet->FormListHead)) {
+ Link = GetFirstNode (&FormSet->FormListHead);
+ Form = FORM_BROWSER_FORM_FROM_LINK (Link);
+ RemoveEntryList (&Form->Link);
+
+ DestroyForm (Form);
+ }
+ }
+
+ if (FormSet->StatementBuffer != NULL) {
+ FreePool (FormSet->StatementBuffer);
+ }
+ if (FormSet->ExpressionBuffer != NULL) {
+ FreePool (FormSet->ExpressionBuffer);
+ }
+
+ FreePool (FormSet);
+}
+
+
+/**
+ Tell whether this Operand is an Expression OpCode or not
+
+ @param Operand Operand of an IFR OpCode.
+
+ @retval TRUE This is an Expression OpCode.
+ @retval FALSE Not an Expression OpCode.
+
+**/
+BOOLEAN
+IsExpressionOpCode (
+ IN UINT8 Operand
+ )
+{
+ if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||
+ ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||
+ (Operand == EFI_IFR_CATENATE_OP) ||
+ (Operand == EFI_IFR_TO_LOWER_OP) ||
+ (Operand == EFI_IFR_TO_UPPER_OP) ||
+ (Operand == EFI_IFR_VERSION_OP)
+ ) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+
+/**
+ Calculate number of Statemens(Questions) and Expression OpCodes.
+
+ @param FormSet The FormSet to be counted.
+ @param NumberOfStatement Number of Statemens(Questions)
+ @param NumberOfExpression Number of Expression OpCodes
+
+**/
+VOID
+CountOpCodes (
+ IN FORM_BROWSER_FORMSET *FormSet,
+ IN OUT UINT16 *NumberOfStatement,
+ IN OUT UINT16 *NumberOfExpression
+ )
+{
+ UINT16 StatementCount;
+ UINT16 ExpressionCount;
+ UINT8 *OpCodeData;
+ UINTN Offset;
+ UINTN OpCodeLen;
+
+ Offset = 0;
+ StatementCount = 0;
+ ExpressionCount = 0;
+
+ while (Offset < FormSet->IfrBinaryLength) {
+ OpCodeData = FormSet->IfrBinaryData + Offset;
+ OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
+ Offset += OpCodeLen;
+
+ if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) {
+ ExpressionCount++;
+ } else {
+ StatementCount++;
+ }
+ }
+
+ *NumberOfStatement = StatementCount;
+ *NumberOfExpression = ExpressionCount;
+}
+
+
+
+/**
+ Parse opcodes in the formset IFR binary.
+
+ @param FormSet Pointer of the FormSet data structure.
+
+ @retval EFI_SUCCESS Opcode parse success.
+ @retval Other Opcode parse fail.
+
+**/
+EFI_STATUS
+ParseOpCodes (
+ IN FORM_BROWSER_FORMSET *FormSet
+ )
+{
+ EFI_STATUS Status;
+ UINT16 Index;
+ FORM_BROWSER_FORM *CurrentForm;
+ FORM_BROWSER_STATEMENT *CurrentStatement;
+ EXPRESSION_OPCODE *ExpressionOpCode;
+ FORM_EXPRESSION *CurrentExpression;
+ UINT8 Operand;
+ UINT8 Scope;
+ UINTN OpCodeOffset;
+ UINTN OpCodeLength;
+ UINT8 *OpCodeData;
+ UINT8 ScopeOpCode;
+ FORMSET_STORAGE *Storage;
+ FORMSET_DEFAULTSTORE *DefaultStore;
+ QUESTION_DEFAULT *CurrentDefault;
+ QUESTION_OPTION *CurrentOption;
+ CHAR8 *AsciiString;
+ UINT16 NumberOfStatement;
+ UINT16 NumberOfExpression;
+ EFI_IMAGE_ID *ImageId;
+ BOOLEAN SuppressForOption;
+ BOOLEAN InScopeOptionSuppress;
+ FORM_EXPRESSION *OptionSuppressExpression;
+ BOOLEAN InScopeDisable;
+ UINT16 DepthOfDisable;
+ BOOLEAN OpCodeDisabled;
+ BOOLEAN SingleOpCodeExpression;
+ BOOLEAN InScopeDefault;
+ EFI_HII_VALUE *Value;
+
+ mInScopeSubtitle = FALSE;
+ SuppressForOption = FALSE;
+ mInScopeSuppress = FALSE;
+ InScopeOptionSuppress = FALSE;
+ mInScopeGrayOut = FALSE;
+ InScopeDisable = FALSE;
+ DepthOfDisable = 0;
+ OpCodeDisabled = FALSE;
+ SingleOpCodeExpression = FALSE;
+ InScopeDefault = FALSE;
+ CurrentExpression = NULL;
+ CurrentDefault = NULL;
+ CurrentOption = NULL;
+ OptionSuppressExpression = NULL;
+
+ //
+ // Get the number of Statements and Expressions
+ //
+ CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);
+
+ mStatementIndex = 0;
+ FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT));
+ if (FormSet->StatementBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ mExpressionOpCodeIndex = 0;
+ FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE));
+ if (FormSet->ExpressionBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ InitializeListHead (&FormSet->StorageListHead);
+ InitializeListHead (&FormSet->DefaultStoreListHead);
+ InitializeListHead (&FormSet->FormListHead);
+
+ CurrentForm = NULL;
+ CurrentStatement = NULL;
+
+ ResetScopeStack ();
+
+ OpCodeOffset = 0;
+ while (OpCodeOffset < FormSet->IfrBinaryLength) {
+ OpCodeData = FormSet->IfrBinaryData + OpCodeOffset;
+
+ OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
+ OpCodeOffset += OpCodeLength;
+ Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;
+ Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope;
+
+ //
+ // If scope bit set, push onto scope stack
+ //
+ if (Scope != 0) {
+ PushScope (Operand);
+ }
+
+ if (OpCodeDisabled) {
+ //
+ // DisableIf Expression is evaluated to be TRUE, try to find its end.
+ // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END
+ //
+ if (Operand == EFI_IFR_DISABLE_IF_OP) {
+ DepthOfDisable++;
+ } else if (Operand == EFI_IFR_END_OP) {
+ Status = PopScope (&ScopeOpCode);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) {
+ if (DepthOfDisable == 0) {
+ InScopeDisable = FALSE;
+ OpCodeDisabled = FALSE;
+ } else {
+ DepthOfDisable--;
+ }
+ }
+ }
+ continue;
+ }
+
+ if (IsExpressionOpCode (Operand)) {
+ ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex];
+ mExpressionOpCodeIndex++;
+
+ ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE;
+ ExpressionOpCode->Operand = Operand;
+ Value = &ExpressionOpCode->Value;
+
+ switch (Operand) {
+ case EFI_IFR_EQ_ID_VAL_OP:
+ CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
+
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
+ CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16));
+ break;
+
+ case EFI_IFR_EQ_ID_ID_OP:
+ CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID));
+ CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID));
+ break;
+
+ case EFI_IFR_EQ_ID_LIST_OP:
+ CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
+ CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16));
+ ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList);
+ break;
+
+ case EFI_IFR_TO_STRING_OP:
+ case EFI_IFR_FIND_OP:
+ ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format;
+ break;
+
+ case EFI_IFR_STRING_REF1_OP:
+ Value->Type = EFI_IFR_TYPE_STRING;
+ CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID));
+ break;
+
+ case EFI_IFR_RULE_REF_OP:
+ ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId;
+ break;
+
+ case EFI_IFR_SPAN_OP:
+ ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags;
+ break;
+
+ case EFI_IFR_THIS_OP:
+ ExpressionOpCode->QuestionId = CurrentStatement->QuestionId;
+ break;
+
+ case EFI_IFR_QUESTION_REF1_OP:
+ CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
+ break;
+
+ case EFI_IFR_QUESTION_REF3_OP:
+ if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) {
+ CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));
+
+ if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) {
+ CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID));
+ }
+ }
+ break;
+
+ //
+ // constant
+ //
+ case EFI_IFR_TRUE_OP:
+ Value->Type = EFI_IFR_TYPE_BOOLEAN;
+ Value->Value.b = TRUE;
+ break;
+
+ case EFI_IFR_FALSE_OP:
+ Value->Type = EFI_IFR_TYPE_BOOLEAN;
+ Value->Value.b = FALSE;
+ break;
+
+ case EFI_IFR_ONE_OP:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ Value->Value.u8 = 1;
+ break;
+
+ case EFI_IFR_ZERO_OP:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ Value->Value.u8 = 0;
+ break;
+
+ case EFI_IFR_ONES_OP:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
+ Value->Value.u64 = 0xffffffffffffffffULL;
+ break;
+
+ case EFI_IFR_UINT8_OP:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value;
+ break;
+
+ case EFI_IFR_UINT16_OP:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
+ CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16));
+ break;
+
+ case EFI_IFR_UINT32_OP:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;
+ CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32));
+ break;
+
+ case EFI_IFR_UINT64_OP:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
+ CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64));
+ break;
+
+ case EFI_IFR_UNDEFINED_OP:
+ Value->Type = EFI_IFR_TYPE_OTHER;
+ break;
+
+ case EFI_IFR_VERSION_OP:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
+ Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION;
+ break;
+
+ default:
+ break;
+ }
+
+ InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);
+
+ if (SingleOpCodeExpression) {
+ //
+ // There are two cases to indicate the end of an Expression:
+ // for single OpCode expression: one Expression OpCode
+ // for expression consists of more than one OpCode: EFI_IFR_END
+ //
+ SingleOpCodeExpression = FALSE;
+
+ if (InScopeDisable) {
+ //
+ // Evaluate DisableIf expression
+ //
+ Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ OpCodeDisabled = CurrentExpression->Result.Value.b;
+ }
+
+ CurrentExpression = NULL;
+ }
+
+ continue;
+ }
+
+ //
+ // Parse the Opcode
+ //
+ switch (Operand) {
+
+ case EFI_IFR_FORM_SET_OP:
+ //
+ // check the formset GUID
+ //
+ if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));
+ CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));
+ break;
+
+ case EFI_IFR_FORM_OP:
+ //
+ // Create a new Form for this FormSet
+ //
+ CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));
+ CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;
+ InitializeListHead (&CurrentForm->ExpressionListHead);
+ InitializeListHead (&CurrentForm->StatementListHead);
+
+ CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));
+ CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));
+
+ //
+ // Insert into Form list of this FormSet
+ //
+ InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);
+ break;
+
+ //
+ // Storage
+ //
+ case EFI_IFR_VARSTORE_OP:
+ //
+ // Create a buffer Storage for this FormSet
+ //
+ Storage = CreateStorage (FormSet);
+ Storage->Type = EFI_HII_VARSTORE_BUFFER;
+
+ CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
+ CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID));
+ CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16));
+
+ Storage->Buffer = AllocateZeroPool (Storage->Size);
+ Storage->EditBuffer = AllocateZeroPool (Storage->Size);
+
+ AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;
+ Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2);
+ ASSERT (Storage->Name != NULL);
+ for (Index = 0; AsciiString[Index] != 0; Index++) {
+ Storage->Name[Index] = (CHAR16) AsciiString[Index];
+ }
+
+ //
+ // Initialize <ConfigHdr>
+ //
+ InitializeConfigHdr (FormSet, Storage);
+ break;
+
+ case EFI_IFR_VARSTORE_NAME_VALUE_OP:
+ //
+ // Create a name/value Storage for this FormSet
+ //
+ Storage = CreateStorage (FormSet);
+ Storage->Type = EFI_HII_VARSTORE_NAME_VALUE;
+
+ CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
+ CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID));
+
+ //
+ // Initialize <ConfigHdr>
+ //
+ InitializeConfigHdr (FormSet, Storage);
+ break;
+
+ case EFI_IFR_VARSTORE_EFI_OP:
+ //
+ // Create a EFI variable Storage for this FormSet
+ //
+ Storage = CreateStorage (FormSet);
+ Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE;
+
+ CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
+ CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID));
+ CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));
+ break;
+
+ //
+ // DefaultStore
+ //
+ case EFI_IFR_DEFAULTSTORE_OP:
+ DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE));
+ DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE;
+
+ CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16));
+ CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID));
+
+ //
+ // Insert to DefaultStore list of this Formset
+ //
+ InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link);
+ break;
+
+ //
+ // Statements
+ //
+ case EFI_IFR_SUBTITLE_OP:
+ CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
+ CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;
+
+ if (Scope != 0) {
+ mInScopeSubtitle = TRUE;
+ }
+ break;
+
+ case EFI_IFR_TEXT_OP:
+ CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
+
+ CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));
+ break;
+
+ //
+ // Questions
+ //
+ case EFI_IFR_ACTION_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) {
+ //
+ // No QuestionConfig present, so no configuration string will be processed
+ //
+ CurrentStatement->QuestionConfig = 0;
+ } else {
+ CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID));
+ }
+ break;
+
+ case EFI_IFR_RESET_BUTTON_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));
+ break;
+
+ case EFI_IFR_REF_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID));
+ if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {
+ CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
+
+ if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {
+ CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID));
+
+ if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {
+ CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));
+ }
+ }
+ }
+ break;
+
+ case EFI_IFR_ONE_OF_OP:
+ case EFI_IFR_NUMERIC_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags;
+ Value = &CurrentStatement->HiiValue;
+
+ switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) {
+ case EFI_IFR_NUMERIC_SIZE_1:
+ CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue;
+ CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue;
+ CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step;
+ CurrentStatement->StorageWidth = sizeof (UINT8);
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ break;
+
+ case EFI_IFR_NUMERIC_SIZE_2:
+ CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16));
+ CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16));
+ CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16));
+ CurrentStatement->StorageWidth = sizeof (UINT16);
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
+ break;
+
+ case EFI_IFR_NUMERIC_SIZE_4:
+ CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32));
+ CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32));
+ CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32));
+ CurrentStatement->StorageWidth = sizeof (UINT32);
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;
+ break;
+
+ case EFI_IFR_NUMERIC_SIZE_8:
+ CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64));
+ CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64));
+ CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64));
+ CurrentStatement->StorageWidth = sizeof (UINT64);
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
+ break;
+
+ default:
+ break;
+ }
+
+ InitializeRequestElement (FormSet, CurrentStatement);
+
+ if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) {
+ SuppressForOption = TRUE;
+ }
+ break;
+
+ case EFI_IFR_ORDERED_LIST_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;
+ CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;
+ CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8));
+ InitializeRequestElement (FormSet, CurrentStatement);
+
+ //
+ // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver
+ // has to use FormBrowser2.Callback() to retrieve the uncommited data for
+ // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set).
+ //
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER;
+ CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);
+
+ if (Scope != 0) {
+ SuppressForOption = TRUE;
+ }
+ break;
+
+ case EFI_IFR_CHECKBOX_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;
+ CurrentStatement->StorageWidth = sizeof (BOOLEAN);
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;
+
+ InitializeRequestElement (FormSet, CurrentStatement);
+
+ break;
+
+ case EFI_IFR_STRING_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ //
+ // MinSize is the minimum number of characters that can be accepted for this opcode,
+ // MaxSize is the maximum number of characters that can be accepted for this opcode.
+ // The characters are stored as Unicode, so the storage width should multiply 2.
+ //
+ CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize;
+ CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize;
+ CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));
+ CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags;
+
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;
+ CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16));
+
+ InitializeRequestElement (FormSet, CurrentStatement);
+ break;
+
+ case EFI_IFR_PASSWORD_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ //
+ // MinSize is the minimum number of characters that can be accepted for this opcode,
+ // MaxSize is the maximum number of characters that can be accepted for this opcode.
+ // The characters are stored as Unicode, so the storage width should multiply 2.
+ //
+ CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16));
+ CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16));
+ CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));
+
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;
+ CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16)));
+
+ InitializeRequestElement (FormSet, CurrentStatement);
+ break;
+
+ case EFI_IFR_DATE_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags;
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE;
+
+ if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) {
+ CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE);
+
+ InitializeRequestElement (FormSet, CurrentStatement);
+ } else {
+ //
+ // Don't assign storage for RTC type of date/time
+ //
+ CurrentStatement->Storage = NULL;
+ CurrentStatement->StorageWidth = 0;
+ }
+ break;
+
+ case EFI_IFR_TIME_OP:
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
+
+ CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags;
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME;
+
+ if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) {
+ CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME);
+
+ InitializeRequestElement (FormSet, CurrentStatement);
+ } else {
+ //
+ // Don't assign storage for RTC type of date/time
+ //
+ CurrentStatement->Storage = NULL;
+ CurrentStatement->StorageWidth = 0;
+ }
+ break;
+
+ //
+ // Default
+ //
+ case EFI_IFR_DEFAULT_OP:
+ //
+ // EFI_IFR_DEFAULT appear in scope of a Question,
+ // It creates a default value for the current question.
+ // A Question may have more than one Default value which have different default types.
+ //
+ CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));
+ CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;
+
+ CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type;
+ CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16));
+ CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));
+ ExtendValueToU64 (&CurrentDefault->Value);
+
+ //
+ // Insert to Default Value list of current Question
+ //
+ InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link);
+
+ if (Scope != 0) {
+ InScopeDefault = TRUE;
+ }
+ break;
+
+ //
+ // Option
+ //
+ case EFI_IFR_ONE_OF_OPTION_OP:
+ //
+ // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.
+ // It create a selection for use in current Question.
+ //
+ CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION));
+ CurrentOption->Signature = QUESTION_OPTION_SIGNATURE;
+
+ CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags;
+ CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type;
+ CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID));
+ CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));
+ ExtendValueToU64 (&CurrentOption->Value);
+
+ if (InScopeOptionSuppress) {
+ CurrentOption->SuppressExpression = OptionSuppressExpression;
+ }
+
+ //
+ // Insert to Option list of current Question
+ //
+ InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link);
+ break;
+
+ //
+ // Conditional
+ //
+ case EFI_IFR_NO_SUBMIT_IF_OP:
+ case EFI_IFR_INCONSISTENT_IF_OP:
+ //
+ // Create an Expression node
+ //
+ CurrentExpression = CreateExpression (CurrentForm);
+ CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID));
+
+ if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) {
+ CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF;
+ InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link);
+ } else {
+ CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF;
+ InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link);
+ }
+ break;
+
+ case EFI_IFR_SUPPRESS_IF_OP:
+ //
+ // Question and Option will appear in scope of this OpCode
+ //
+ CurrentExpression = CreateExpression (CurrentForm);
+ CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF;
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
+
+ if (SuppressForOption) {
+ InScopeOptionSuppress = TRUE;
+ OptionSuppressExpression = CurrentExpression;
+ } else {
+ mInScopeSuppress = TRUE;
+ mSuppressExpression = CurrentExpression;
+ }
+ break;
+
+ case EFI_IFR_GRAY_OUT_IF_OP:
+ //
+ // Questions will appear in scope of this OpCode
+ //
+ CurrentExpression = CreateExpression (CurrentForm);
+ CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF;
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
+
+ mInScopeGrayOut = TRUE;
+ mGrayOutExpression = CurrentExpression;
+ break;
+
+ case EFI_IFR_DISABLE_IF_OP:
+ //
+ // The DisableIf expression should only rely on constant, so it could be
+ // evaluated at initialization and it will not be queued
+ //
+ CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION));
+ CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE;
+ CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF;
+ InitializeListHead (&CurrentExpression->OpCodeListHead);
+
+ InScopeDisable = TRUE;
+ OpCodeDisabled = FALSE;
+
+ //
+ // Take a look at next OpCode to see whether current expression consists
+ // of single OpCode
+ //
+ if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
+ SingleOpCodeExpression = TRUE;
+ }
+ break;
+
+ //
+ // Expression
+ //
+ case EFI_IFR_VALUE_OP:
+ CurrentExpression = CreateExpression (CurrentForm);
+ CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE;
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
+
+ if (InScopeDefault) {
+ //
+ // Used for default (EFI_IFR_DEFAULT)
+ //
+ CurrentDefault->ValueExpression = CurrentExpression;
+ } else {
+ //
+ // If used for a question, then the question will be read-only
+ //
+ CurrentStatement->ValueExpression = CurrentExpression;
+ }
+ break;
+
+ case EFI_IFR_RULE_OP:
+ CurrentExpression = CreateExpression (CurrentForm);
+ CurrentExpression->Type = EFI_HII_EXPRESSION_RULE;
+
+ CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId;
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
+ break;
+
+ //
+ // Image
+ //
+ case EFI_IFR_IMAGE_OP:
+ //
+ // Get ScopeOpcode from top of stack
+ //
+ PopScope (&ScopeOpCode);
+ PushScope (ScopeOpCode);
+
+ switch (ScopeOpCode) {
+ case EFI_IFR_FORM_SET_OP:
+ ImageId = &FormSet->ImageId;
+ break;
+
+ case EFI_IFR_FORM_OP:
+ ImageId = &CurrentForm->ImageId;
+ break;
+
+ case EFI_IFR_ONE_OF_OPTION_OP:
+ ImageId = &CurrentOption->ImageId;
+ break;
+
+ default:
+ ImageId = &CurrentStatement->ImageId;
+ break;
+ }
+
+ CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID));
+ break;
+
+ //
+ // Refresh
+ //
+ case EFI_IFR_REFRESH_OP:
+ CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval;
+ break;
+
+ //
+ // Vendor specific
+ //
+ case EFI_IFR_GUID_OP:
+ if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {
+ //
+ // Tiano specific GUIDed opcodes
+ //
+ switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) {
+ case EFI_IFR_EXTEND_OP_LABEL:
+ //
+ // just ignore label
+ //
+ break;
+
+ case EFI_IFR_EXTEND_OP_BANNER:
+ if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) {
+ CopyMem (
+ &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][
+ ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment],
+ &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title,
+ sizeof (EFI_STRING_ID)
+ );
+ }
+ break;
+
+ case EFI_IFR_EXTEND_OP_CLASS:
+ CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));
+ break;
+
+ case EFI_IFR_EXTEND_OP_SUBCLASS:
+ CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16));
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ break;
+
+ //
+ // Scope End
+ //
+ case EFI_IFR_END_OP:
+ Status = PopScope (&ScopeOpCode);
+ if (EFI_ERROR (Status)) {
+ ResetScopeStack ();
+ return Status;
+ }
+
+ switch (ScopeOpCode) {
+ case EFI_IFR_FORM_SET_OP:
+ //
+ // End of FormSet, update FormSet IFR binary length
+ // to stop parsing substantial OpCodes
+ //
+ FormSet->IfrBinaryLength = OpCodeOffset;
+ break;
+
+ case EFI_IFR_FORM_OP:
+ //
+ // End of Form
+ //
+ CurrentForm = NULL;
+ break;
+
+ case EFI_IFR_ONE_OF_OPTION_OP:
+ //
+ // End of Option
+ //
+ CurrentOption = NULL;
+ break;
+
+ case EFI_IFR_SUBTITLE_OP:
+ mInScopeSubtitle = FALSE;
+ break;
+
+ case EFI_IFR_NO_SUBMIT_IF_OP:
+ case EFI_IFR_INCONSISTENT_IF_OP:
+ //
+ // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF
+ //
+ break;
+
+ case EFI_IFR_SUPPRESS_IF_OP:
+ if (SuppressForOption) {
+ InScopeOptionSuppress = FALSE;
+ } else {
+ mInScopeSuppress = FALSE;
+ }
+ break;
+
+ case EFI_IFR_GRAY_OUT_IF_OP:
+ mInScopeGrayOut = FALSE;
+ break;
+
+ case EFI_IFR_DISABLE_IF_OP:
+ InScopeDisable = FALSE;
+ OpCodeDisabled = FALSE;
+ break;
+
+ case EFI_IFR_ONE_OF_OP:
+ case EFI_IFR_ORDERED_LIST_OP:
+ SuppressForOption = FALSE;
+ break;
+
+ case EFI_IFR_DEFAULT_OP:
+ InScopeDefault = FALSE;
+ break;
+
+ default:
+ if (IsExpressionOpCode (ScopeOpCode)) {
+ if (InScopeDisable) {
+ //
+ // Evaluate DisableIf expression
+ //
+ Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ OpCodeDisabled = CurrentExpression->Result.Value.b;
+ //
+ // DisableIf Expression is only used once and not quequed, free it
+ //
+ DestroyExpression (CurrentExpression);
+ }
+
+ //
+ // End of current Expression
+ //
+ CurrentExpression = NULL;
+ }
+ break;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return EFI_SUCCESS;
+}
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