-/** @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);
-
- SafeFreePool (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;
- }
-
- SafeFreePool (Storage->Name);
- SafeFreePool (Storage->Buffer);
- SafeFreePool (Storage->EditBuffer);
-
- while (!IsListEmpty (&Storage->NameValueListHead)) {
- Link = GetFirstNode (&Storage->NameValueListHead);
- NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);
- RemoveEntryList (&NameValueNode->Link);
-
- SafeFreePool (NameValueNode->Name);
- SafeFreePool (NameValueNode->Value);
- SafeFreePool (NameValueNode->EditValue);
- SafeFreePool (NameValueNode);
- }
-
- SafeFreePool (Storage->ConfigHdr);
- SafeFreePool (Storage->ConfigRequest);
-
- gBS->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);
- }
-
- SafeFreePool (Statement->VariableName);
- SafeFreePool (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
- //
- SafeFreePool (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);
- }
- }
-
- SafeFreePool (FormSet->StatementBuffer);
- SafeFreePool (FormSet->ExpressionBuffer);
-
- SafeFreePool (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\r
+Parser for IFR binary encoding.\r
+\r
+Copyright (c) 2007 - 2009, Intel Corporation\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution. The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include "Setup.h"\r
+#include "Ui.h"\r
+\r
+UINT16 mStatementIndex;\r
+UINT16 mExpressionOpCodeIndex;\r
+\r
+BOOLEAN mInScopeSubtitle;\r
+BOOLEAN mInScopeSuppress;\r
+BOOLEAN mInScopeGrayOut;\r
+FORM_EXPRESSION *mSuppressExpression;\r
+FORM_EXPRESSION *mGrayOutExpression;\r
+\r
+/**\r
+ Initialize Statement header members.\r
+\r
+ @param OpCodeData Pointer of the raw OpCode data.\r
+ @param FormSet Pointer of the current FormSe.\r
+ @param Form Pointer of the current Form.\r
+\r
+ @return The Statement.\r
+\r
+**/\r
+FORM_BROWSER_STATEMENT *\r
+CreateStatement (\r
+ IN UINT8 *OpCodeData,\r
+ IN OUT FORM_BROWSER_FORMSET *FormSet,\r
+ IN OUT FORM_BROWSER_FORM *Form\r
+ )\r
+{\r
+ FORM_BROWSER_STATEMENT *Statement;\r
+ EFI_IFR_STATEMENT_HEADER *StatementHdr;\r
+\r
+ if (Form == NULL) {\r
+ //\r
+ // We are currently not in a Form Scope, so just skip this Statement\r
+ //\r
+ return NULL;\r
+ }\r
+\r
+ Statement = &FormSet->StatementBuffer[mStatementIndex];\r
+ mStatementIndex++;\r
+\r
+ InitializeListHead (&Statement->DefaultListHead);\r
+ InitializeListHead (&Statement->OptionListHead);\r
+ InitializeListHead (&Statement->InconsistentListHead);\r
+ InitializeListHead (&Statement->NoSubmitListHead);\r
+\r
+ Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE;\r
+\r
+ Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;\r
+\r
+ StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));\r
+ CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID));\r
+ CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID));\r
+\r
+ if (mInScopeSuppress) {\r
+ Statement->SuppressExpression = mSuppressExpression;\r
+ }\r
+\r
+ if (mInScopeGrayOut) {\r
+ Statement->GrayOutExpression = mGrayOutExpression;\r
+ }\r
+\r
+ Statement->InSubtitle = mInScopeSubtitle;\r
+\r
+ //\r
+ // Insert this Statement into current Form\r
+ //\r
+ InsertTailList (&Form->StatementListHead, &Statement->Link);\r
+\r
+ return Statement;\r
+}\r
+\r
+/**\r
+ Convert a numeric value to a Unicode String and insert it to String Package.\r
+ This string is used as the Unicode Name for the EFI Variable. This is to support\r
+ the deprecated vareqval opcode.\r
+ \r
+ @param FormSet The FormSet.\r
+ @param Statement The numeric question whose VarStoreInfo.VarName is the\r
+ numeric value which is used to produce the Unicode Name\r
+ for the EFI Variable.\r
+ \r
+ If the Statement is NULL, the ASSERT.\r
+ If the opcode is not Numeric, then ASSERT.\r
+ \r
+ @retval EFI_SUCCESS The funtion always succeeds.\r
+**/\r
+EFI_STATUS\r
+UpdateCheckBoxStringToken (\r
+ IN CONST FORM_BROWSER_FORMSET *FormSet,\r
+ IN FORM_BROWSER_STATEMENT *Statement\r
+ )\r
+{\r
+ CHAR16 Str[MAXIMUM_VALUE_CHARACTERS];\r
+ EFI_STRING_ID Id;\r
+ EFI_STATUS Status;\r
+\r
+ ASSERT (Statement != NULL);\r
+ ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP);\r
+ \r
+ UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1);\r
+ \r
+ Status = HiiLibNewString (FormSet->HiiHandle, &Id, Str);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ Statement->VarStoreInfo.VarName = Id;\r
+ \r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ Check if the next opcode is the EFI_IFR_EXTEND_OP_VAREQNAME.\r
+ \r
+ @param OpCodeData The current opcode.\r
+ \r
+ @retval TRUE Yes.\r
+ @retval FALSE No.\r
+**/\r
+BOOLEAN\r
+IsNextOpCodeGuidedVarEqName (\r
+ UINT8 *OpCodeData\r
+ )\r
+{\r
+ //\r
+ // Get next opcode\r
+ //\r
+ OpCodeData += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;\r
+ if (*OpCodeData == EFI_IFR_GUID_OP) {\r
+ if (CompareGuid (&gEfiIfrFrameworkGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {\r
+ //\r
+ // Specific GUIDed opcodes to support IFR generated from Framework HII VFR \r
+ //\r
+ if ((((EFI_IFR_GUID_VAREQNAME *) OpCodeData)->ExtendOpCode) == EFI_IFR_EXTEND_OP_VAREQNAME) {\r
+ return TRUE;\r
+ }\r
+ }\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
+/**\r
+ Initialize Question's members.\r
+\r
+ @param OpCodeData Pointer of the raw OpCode data.\r
+ @param FormSet Pointer of the current FormSet.\r
+ @param Form Pointer of the current Form.\r
+\r
+ @return The Question.\r
+\r
+**/\r
+FORM_BROWSER_STATEMENT *\r
+CreateQuestion (\r
+ IN UINT8 *OpCodeData,\r
+ IN OUT FORM_BROWSER_FORMSET *FormSet,\r
+ IN OUT FORM_BROWSER_FORM *Form\r
+ )\r
+{\r
+ FORM_BROWSER_STATEMENT *Statement;\r
+ EFI_IFR_QUESTION_HEADER *QuestionHdr;\r
+ LIST_ENTRY *Link;\r
+ FORMSET_STORAGE *Storage;\r
+ NAME_VALUE_NODE *NameValueNode;\r
+ EFI_STATUS Status;\r
+\r
+ Statement = CreateStatement (OpCodeData, FormSet, Form);\r
+ if (Statement == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));\r
+ CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID));\r
+ CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID));\r
+ CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16));\r
+\r
+ Statement->QuestionFlags = QuestionHdr->Flags;\r
+\r
+ if (Statement->VarStoreId == 0) {\r
+ //\r
+ // VarStoreId of zero indicates no variable storage\r
+ //\r
+ return Statement;\r
+ }\r
+\r
+ //\r
+ // Take a look at next OpCode to see whether it is a GUIDed opcode to support\r
+ // Framework Compatibility\r
+ //\r
+ if (FeaturePcdGet (PcdFrameworkHiiCompatibilitySupport)) {\r
+ if ((*OpCodeData == EFI_IFR_NUMERIC_OP) && IsNextOpCodeGuidedVarEqName (OpCodeData)) {\r
+ Status = UpdateCheckBoxStringToken (FormSet, Statement);\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
+ }\r
+ }\r
+\r
+ //\r
+ // Find Storage for this Question\r
+ //\r
+ Link = GetFirstNode (&FormSet->StorageListHead);\r
+ while (!IsNull (&FormSet->StorageListHead, Link)) {\r
+ Storage = FORMSET_STORAGE_FROM_LINK (Link);\r
+\r
+ if (Storage->VarStoreId == Statement->VarStoreId) {\r
+ Statement->Storage = Storage;\r
+ break;\r
+ }\r
+\r
+ Link = GetNextNode (&FormSet->StorageListHead, Link);\r
+ }\r
+ ASSERT (Statement->Storage != NULL);\r
+\r
+ //\r
+ // Initialilze varname for Name/Value or EFI Variable\r
+ //\r
+ if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) ||\r
+ (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {\r
+ Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle);\r
+ ASSERT (Statement->VariableName != NULL);\r
+\r
+ if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r
+ //\r
+ // Insert to Name/Value varstore list\r
+ //\r
+ NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE));\r
+ ASSERT (NameValueNode != NULL);\r
+ NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE;\r
+ NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName);\r
+ ASSERT (NameValueNode->Name != NULL);\r
+ NameValueNode->Value = AllocateZeroPool (0x10);\r
+ ASSERT (NameValueNode->Value != NULL);\r
+ NameValueNode->EditValue = AllocateZeroPool (0x10);\r
+ ASSERT (NameValueNode->EditValue != NULL);\r
+\r
+ InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link);\r
+ }\r
+ }\r
+\r
+ return Statement;\r
+}\r
+\r
+\r
+/**\r
+ Allocate a FORM_EXPRESSION node.\r
+\r
+ @param Form The Form associated with this Expression\r
+\r
+ @return Pointer to a FORM_EXPRESSION data structure.\r
+\r
+**/\r
+FORM_EXPRESSION *\r
+CreateExpression (\r
+ IN OUT FORM_BROWSER_FORM *Form\r
+ )\r
+{\r
+ FORM_EXPRESSION *Expression;\r
+\r
+ Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION));\r
+ ASSERT (Expression != NULL);\r
+ Expression->Signature = FORM_EXPRESSION_SIGNATURE;\r
+ InitializeListHead (&Expression->OpCodeListHead);\r
+\r
+ return Expression;\r
+}\r
+\r
+\r
+/**\r
+ Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.\r
+\r
+ @param FormSet Pointer of the current FormSet\r
+\r
+ @return Pointer to a FORMSET_STORAGE data structure.\r
+\r
+**/\r
+FORMSET_STORAGE *\r
+CreateStorage (\r
+ IN FORM_BROWSER_FORMSET *FormSet\r
+ )\r
+{\r
+ FORMSET_STORAGE *Storage;\r
+\r
+ Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));\r
+ ASSERT (Storage != NULL);\r
+ Storage->Signature = FORMSET_STORAGE_SIGNATURE;\r
+ InitializeListHead (&Storage->NameValueListHead);\r
+ InsertTailList (&FormSet->StorageListHead, &Storage->Link);\r
+\r
+ return Storage;\r
+}\r
+\r
+\r
+/**\r
+ Create ConfigHdr string for a storage.\r
+\r
+ @param FormSet Pointer of the current FormSet\r
+ @param Storage Pointer of the storage\r
+\r
+ @retval EFI_SUCCESS Initialize ConfigHdr success\r
+\r
+**/\r
+EFI_STATUS\r
+InitializeConfigHdr (\r
+ IN FORM_BROWSER_FORMSET *FormSet,\r
+ IN OUT FORMSET_STORAGE *Storage\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN StrBufferLen;\r
+ CHAR16 *Name;\r
+\r
+ if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {\r
+ Name = Storage->Name;\r
+ } else {\r
+ Name = NULL;\r
+ }\r
+\r
+ StrBufferLen = 0;\r
+ Status = ConstructConfigHdr (\r
+ Storage->ConfigHdr,\r
+ &StrBufferLen,\r
+ &Storage->Guid,\r
+ Name,\r
+ FormSet->DriverHandle\r
+ );\r
+ if (Status == EFI_BUFFER_TOO_SMALL) {\r
+ Storage->ConfigHdr = AllocateZeroPool (StrBufferLen);\r
+ Status = ConstructConfigHdr (\r
+ Storage->ConfigHdr,\r
+ &StrBufferLen,\r
+ &Storage->Guid,\r
+ Name,\r
+ FormSet->DriverHandle\r
+ );\r
+ }\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr);\r
+ Storage->SpareStrLen = 0;\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>\r
+\r
+ @param FormSet Pointer of the current FormSet.\r
+ @param Question The Question to be initialized.\r
+\r
+ @retval EFI_SUCCESS Function success.\r
+ @retval EFI_INVALID_PARAMETER No storage associated with the Question.\r
+\r
+**/\r
+EFI_STATUS\r
+InitializeRequestElement (\r
+ IN OUT FORM_BROWSER_FORMSET *FormSet,\r
+ IN OUT FORM_BROWSER_STATEMENT *Question\r
+ )\r
+{\r
+ FORMSET_STORAGE *Storage;\r
+ UINTN StrLen;\r
+ UINTN StringSize;\r
+ CHAR16 *NewStr;\r
+ CHAR16 RequestElement[30];\r
+\r
+ Storage = Question->Storage;\r
+ if (Storage == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {\r
+ //\r
+ // <ConfigRequest> is unnecessary for EFI variable storage,\r
+ // GetVariable()/SetVariable() will be used to retrieve/save values\r
+ //\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ //\r
+ // Prepare <RequestElement>\r
+ //\r
+ if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {\r
+ StrLen = UnicodeSPrint (\r
+ RequestElement,\r
+ 30 * sizeof (CHAR16),\r
+ L"&OFFSET=%x&WIDTH=%x",\r
+ Question->VarStoreInfo.VarOffset,\r
+ Question->StorageWidth\r
+ );\r
+ Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement);\r
+ } else {\r
+ StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName);\r
+ }\r
+\r
+ if ((Question->Operand == EFI_IFR_PASSWORD_OP) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK)) {\r
+ //\r
+ // Password with CALLBACK flag is stored in encoded format,\r
+ // so don't need to append it to <ConfigRequest>\r
+ //\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ //\r
+ // Append <RequestElement> to <ConfigRequest>\r
+ //\r
+ if (StrLen > Storage->SpareStrLen) {\r
+ //\r
+ // Old String buffer is not sufficient for RequestElement, allocate a new one\r
+ //\r
+ StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16);\r
+ NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16));\r
+ ASSERT (NewStr != NULL);\r
+ if (Storage->ConfigRequest != NULL) {\r
+ CopyMem (NewStr, Storage->ConfigRequest, StringSize);\r
+ FreePool (Storage->ConfigRequest);\r
+ }\r
+ Storage->ConfigRequest = NewStr;\r
+ Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL;\r
+ }\r
+\r
+ StrCat (Storage->ConfigRequest, RequestElement);\r
+ Storage->ElementCount++;\r
+ Storage->SpareStrLen -= StrLen;\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ Free resources of a Expression.\r
+\r
+ @param FormSet Pointer of the Expression\r
+\r
+**/\r
+VOID\r
+DestroyExpression (\r
+ IN FORM_EXPRESSION *Expression\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ EXPRESSION_OPCODE *OpCode;\r
+\r
+ while (!IsListEmpty (&Expression->OpCodeListHead)) {\r
+ Link = GetFirstNode (&Expression->OpCodeListHead);\r
+ OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);\r
+ RemoveEntryList (&OpCode->Link);\r
+\r
+ if (OpCode->ValueList != NULL) {\r
+ FreePool (OpCode->ValueList);\r
+ }\r
+ }\r
+\r
+ //\r
+ // Free this Expression\r
+ //\r
+ FreePool (Expression);\r
+}\r
+\r
+\r
+/**\r
+ Free resources of a storage.\r
+\r
+ @param Storage Pointer of the storage\r
+\r
+**/\r
+VOID\r
+DestroyStorage (\r
+ IN FORMSET_STORAGE *Storage\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ NAME_VALUE_NODE *NameValueNode;\r
+\r
+ if (Storage == NULL) {\r
+ return;\r
+ }\r
+\r
+ if (Storage->Name != NULL) {\r
+ FreePool (Storage->Name);\r
+ }\r
+ if (Storage->Buffer != NULL) {\r
+ FreePool (Storage->Buffer);\r
+ }\r
+ if (Storage->EditBuffer != NULL) {\r
+ FreePool (Storage->EditBuffer);\r
+ }\r
+\r
+ while (!IsListEmpty (&Storage->NameValueListHead)) {\r
+ Link = GetFirstNode (&Storage->NameValueListHead);\r
+ NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);\r
+ RemoveEntryList (&NameValueNode->Link);\r
+\r
+ if (NameValueNode->Name != NULL) {\r
+ FreePool (NameValueNode->Name);\r
+ }\r
+ if (NameValueNode->Value != NULL) {\r
+ FreePool (NameValueNode->Value);\r
+ }\r
+ if (NameValueNode->EditValue != NULL) {\r
+ FreePool (NameValueNode->EditValue);\r
+ }\r
+ FreePool (NameValueNode);\r
+ }\r
+\r
+ if (Storage->ConfigHdr != NULL) {\r
+ FreePool (Storage->ConfigHdr);\r
+ }\r
+ if (Storage->ConfigRequest != NULL) {\r
+ FreePool (Storage->ConfigRequest);\r
+ }\r
+\r
+ FreePool (Storage);\r
+}\r
+\r
+\r
+/**\r
+ Free resources of a Statement.\r
+\r
+ @param Statement Pointer of the Statement\r
+\r
+**/\r
+VOID\r
+DestroyStatement (\r
+ IN OUT FORM_BROWSER_STATEMENT *Statement\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ QUESTION_DEFAULT *Default;\r
+ QUESTION_OPTION *Option;\r
+ FORM_EXPRESSION *Expression;\r
+\r
+ //\r
+ // Free Default value List\r
+ //\r
+ while (!IsListEmpty (&Statement->DefaultListHead)) {\r
+ Link = GetFirstNode (&Statement->DefaultListHead);\r
+ Default = QUESTION_DEFAULT_FROM_LINK (Link);\r
+ RemoveEntryList (&Default->Link);\r
+\r
+ FreePool (Default);\r
+ }\r
+\r
+ //\r
+ // Free Options List\r
+ //\r
+ while (!IsListEmpty (&Statement->OptionListHead)) {\r
+ Link = GetFirstNode (&Statement->OptionListHead);\r
+ Option = QUESTION_OPTION_FROM_LINK (Link);\r
+ RemoveEntryList (&Option->Link);\r
+\r
+ FreePool (Option);\r
+ }\r
+\r
+ //\r
+ // Free Inconsistent List\r
+ //\r
+ while (!IsListEmpty (&Statement->InconsistentListHead)) {\r
+ Link = GetFirstNode (&Statement->InconsistentListHead);\r
+ Expression = FORM_EXPRESSION_FROM_LINK (Link);\r
+ RemoveEntryList (&Expression->Link);\r
+\r
+ DestroyExpression (Expression);\r
+ }\r
+\r
+ //\r
+ // Free NoSubmit List\r
+ //\r
+ while (!IsListEmpty (&Statement->NoSubmitListHead)) {\r
+ Link = GetFirstNode (&Statement->NoSubmitListHead);\r
+ Expression = FORM_EXPRESSION_FROM_LINK (Link);\r
+ RemoveEntryList (&Expression->Link);\r
+\r
+ DestroyExpression (Expression);\r
+ }\r
+\r
+ if (Statement->VariableName != NULL) {\r
+ FreePool (Statement->VariableName);\r
+ }\r
+ if (Statement->BlockName != NULL) {\r
+ FreePool (Statement->BlockName);\r
+ }\r
+}\r
+\r
+\r
+/**\r
+ Free resources of a Form.\r
+\r
+ @param Form Pointer of the Form.\r
+\r
+**/\r
+VOID\r
+DestroyForm (\r
+ IN OUT FORM_BROWSER_FORM *Form\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ FORM_EXPRESSION *Expression;\r
+ FORM_BROWSER_STATEMENT *Statement;\r
+\r
+ //\r
+ // Free Form Expressions\r
+ //\r
+ while (!IsListEmpty (&Form->ExpressionListHead)) {\r
+ Link = GetFirstNode (&Form->ExpressionListHead);\r
+ Expression = FORM_EXPRESSION_FROM_LINK (Link);\r
+ RemoveEntryList (&Expression->Link);\r
+\r
+ DestroyExpression (Expression);\r
+ }\r
+\r
+ //\r
+ // Free Statements/Questions\r
+ //\r
+ while (!IsListEmpty (&Form->StatementListHead)) {\r
+ Link = GetFirstNode (&Form->StatementListHead);\r
+ Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r
+ RemoveEntryList (&Statement->Link);\r
+\r
+ DestroyStatement (Statement);\r
+ }\r
+\r
+ //\r
+ // Free this Form\r
+ //\r
+ FreePool (Form);\r
+}\r
+\r
+\r
+/**\r
+ Free resources allocated for a FormSet.\r
+\r
+ @param FormSet Pointer of the FormSet\r
+\r
+**/\r
+VOID\r
+DestroyFormSet (\r
+ IN OUT FORM_BROWSER_FORMSET *FormSet\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ FORMSET_STORAGE *Storage;\r
+ FORMSET_DEFAULTSTORE *DefaultStore;\r
+ FORM_BROWSER_FORM *Form;\r
+\r
+ //\r
+ // Free IFR binary buffer\r
+ //\r
+ FreePool (FormSet->IfrBinaryData);\r
+\r
+ //\r
+ // Free FormSet Storage\r
+ //\r
+ if (FormSet->StorageListHead.ForwardLink != NULL) {\r
+ while (!IsListEmpty (&FormSet->StorageListHead)) {\r
+ Link = GetFirstNode (&FormSet->StorageListHead);\r
+ Storage = FORMSET_STORAGE_FROM_LINK (Link);\r
+ RemoveEntryList (&Storage->Link);\r
+\r
+ DestroyStorage (Storage);\r
+ }\r
+ }\r
+\r
+ //\r
+ // Free FormSet Default Store\r
+ //\r
+ if (FormSet->DefaultStoreListHead.ForwardLink != NULL) {\r
+ while (!IsListEmpty (&FormSet->DefaultStoreListHead)) {\r
+ Link = GetFirstNode (&FormSet->DefaultStoreListHead);\r
+ DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link);\r
+ RemoveEntryList (&DefaultStore->Link);\r
+\r
+ FreePool (DefaultStore);\r
+ }\r
+ }\r
+\r
+ //\r
+ // Free Forms\r
+ //\r
+ if (FormSet->FormListHead.ForwardLink != NULL) {\r
+ while (!IsListEmpty (&FormSet->FormListHead)) {\r
+ Link = GetFirstNode (&FormSet->FormListHead);\r
+ Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r
+ RemoveEntryList (&Form->Link);\r
+\r
+ DestroyForm (Form);\r
+ }\r
+ }\r
+\r
+ if (FormSet->StatementBuffer != NULL) {\r
+ FreePool (FormSet->StatementBuffer);\r
+ }\r
+ if (FormSet->ExpressionBuffer != NULL) {\r
+ FreePool (FormSet->ExpressionBuffer);\r
+ }\r
+\r
+ FreePool (FormSet);\r
+}\r
+\r
+\r
+/**\r
+ Tell whether this Operand is an Expression OpCode or not\r
+\r
+ @param Operand Operand of an IFR OpCode.\r
+\r
+ @retval TRUE This is an Expression OpCode.\r
+ @retval FALSE Not an Expression OpCode.\r
+\r
+**/\r
+BOOLEAN\r
+IsExpressionOpCode (\r
+ IN UINT8 Operand\r
+ )\r
+{\r
+ if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||\r
+ ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||\r
+ (Operand == EFI_IFR_CATENATE_OP) ||\r
+ (Operand == EFI_IFR_TO_LOWER_OP) ||\r
+ (Operand == EFI_IFR_TO_UPPER_OP) ||\r
+ (Operand == EFI_IFR_VERSION_OP)\r
+ ) {\r
+ return TRUE;\r
+ } else {\r
+ return FALSE;\r
+ }\r
+}\r
+\r
+\r
+/**\r
+ Calculate number of Statemens(Questions) and Expression OpCodes.\r
+\r
+ @param FormSet The FormSet to be counted.\r
+ @param NumberOfStatement Number of Statemens(Questions)\r
+ @param NumberOfExpression Number of Expression OpCodes\r
+\r
+**/\r
+VOID\r
+CountOpCodes (\r
+ IN FORM_BROWSER_FORMSET *FormSet,\r
+ IN OUT UINT16 *NumberOfStatement,\r
+ IN OUT UINT16 *NumberOfExpression\r
+ )\r
+{\r
+ UINT16 StatementCount;\r
+ UINT16 ExpressionCount;\r
+ UINT8 *OpCodeData;\r
+ UINTN Offset;\r
+ UINTN OpCodeLen;\r
+\r
+ Offset = 0;\r
+ StatementCount = 0;\r
+ ExpressionCount = 0;\r
+\r
+ while (Offset < FormSet->IfrBinaryLength) {\r
+ OpCodeData = FormSet->IfrBinaryData + Offset;\r
+ OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;\r
+ Offset += OpCodeLen;\r
+\r
+ if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) {\r
+ ExpressionCount++;\r
+ } else {\r
+ StatementCount++;\r
+ }\r
+ }\r
+\r
+ *NumberOfStatement = StatementCount;\r
+ *NumberOfExpression = ExpressionCount;\r
+}\r
+\r
+\r
+\r
+/**\r
+ Parse opcodes in the formset IFR binary.\r
+\r
+ @param FormSet Pointer of the FormSet data structure.\r
+\r
+ @retval EFI_SUCCESS Opcode parse success.\r
+ @retval Other Opcode parse fail.\r
+\r
+**/\r
+EFI_STATUS\r
+ParseOpCodes (\r
+ IN FORM_BROWSER_FORMSET *FormSet\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT16 Index;\r
+ FORM_BROWSER_FORM *CurrentForm;\r
+ FORM_BROWSER_STATEMENT *CurrentStatement;\r
+ EXPRESSION_OPCODE *ExpressionOpCode;\r
+ FORM_EXPRESSION *CurrentExpression;\r
+ UINT8 Operand;\r
+ UINT8 Scope;\r
+ UINTN OpCodeOffset;\r
+ UINTN OpCodeLength;\r
+ UINT8 *OpCodeData;\r
+ UINT8 ScopeOpCode;\r
+ FORMSET_STORAGE *Storage;\r
+ FORMSET_DEFAULTSTORE *DefaultStore;\r
+ QUESTION_DEFAULT *CurrentDefault;\r
+ QUESTION_OPTION *CurrentOption;\r
+ CHAR8 *AsciiString;\r
+ UINT16 NumberOfStatement;\r
+ UINT16 NumberOfExpression;\r
+ EFI_IMAGE_ID *ImageId;\r
+ BOOLEAN SuppressForOption;\r
+ BOOLEAN InScopeOptionSuppress;\r
+ FORM_EXPRESSION *OptionSuppressExpression;\r
+ BOOLEAN InScopeDisable;\r
+ UINT16 DepthOfDisable;\r
+ BOOLEAN OpCodeDisabled;\r
+ BOOLEAN SingleOpCodeExpression;\r
+ BOOLEAN InScopeDefault;\r
+ EFI_HII_VALUE *Value;\r
+\r
+ mInScopeSubtitle = FALSE;\r
+ SuppressForOption = FALSE;\r
+ mInScopeSuppress = FALSE;\r
+ InScopeOptionSuppress = FALSE;\r
+ mInScopeGrayOut = FALSE;\r
+ InScopeDisable = FALSE;\r
+ DepthOfDisable = 0;\r
+ OpCodeDisabled = FALSE;\r
+ SingleOpCodeExpression = FALSE;\r
+ InScopeDefault = FALSE;\r
+ CurrentExpression = NULL;\r
+ CurrentDefault = NULL;\r
+ CurrentOption = NULL;\r
+ OptionSuppressExpression = NULL;\r
+ ImageId = NULL;\r
+\r
+ //\r
+ // Get the number of Statements and Expressions\r
+ //\r
+ CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);\r
+\r
+ mStatementIndex = 0;\r
+ FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT));\r
+ if (FormSet->StatementBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ mExpressionOpCodeIndex = 0;\r
+ FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE));\r
+ if (FormSet->ExpressionBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ InitializeListHead (&FormSet->StorageListHead);\r
+ InitializeListHead (&FormSet->DefaultStoreListHead);\r
+ InitializeListHead (&FormSet->FormListHead);\r
+\r
+ CurrentForm = NULL;\r
+ CurrentStatement = NULL;\r
+\r
+ ResetScopeStack ();\r
+\r
+ OpCodeOffset = 0;\r
+ while (OpCodeOffset < FormSet->IfrBinaryLength) {\r
+ OpCodeData = FormSet->IfrBinaryData + OpCodeOffset;\r
+\r
+ OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;\r
+ OpCodeOffset += OpCodeLength;\r
+ Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;\r
+ Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope;\r
+\r
+ //\r
+ // If scope bit set, push onto scope stack\r
+ //\r
+ if (Scope != 0) {\r
+ PushScope (Operand);\r
+ }\r
+\r
+ if (OpCodeDisabled) {\r
+ //\r
+ // DisableIf Expression is evaluated to be TRUE, try to find its end.\r
+ // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END\r
+ //\r
+ if (Operand == EFI_IFR_DISABLE_IF_OP) {\r
+ DepthOfDisable++;\r
+ } else if (Operand == EFI_IFR_END_OP) {\r
+ Status = PopScope (&ScopeOpCode);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) {\r
+ if (DepthOfDisable == 0) {\r
+ InScopeDisable = FALSE;\r
+ OpCodeDisabled = FALSE;\r
+ } else {\r
+ DepthOfDisable--;\r
+ }\r
+ }\r
+ }\r
+ continue;\r
+ }\r
+\r
+ if (IsExpressionOpCode (Operand)) {\r
+ ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex];\r
+ mExpressionOpCodeIndex++;\r
+\r
+ ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE;\r
+ ExpressionOpCode->Operand = Operand;\r
+ Value = &ExpressionOpCode->Value;\r
+\r
+ switch (Operand) {\r
+ case EFI_IFR_EQ_ID_VAL_OP:\r
+ CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r
+\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r
+ CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16));\r
+ break;\r
+\r
+ case EFI_IFR_EQ_ID_ID_OP:\r
+ CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID));\r
+ CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID));\r
+ break;\r
+\r
+ case EFI_IFR_EQ_ID_LIST_OP:\r
+ CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r
+ CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16));\r
+ ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList);\r
+ break;\r
+\r
+ case EFI_IFR_TO_STRING_OP:\r
+ case EFI_IFR_FIND_OP:\r
+ ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format;\r
+ break;\r
+\r
+ case EFI_IFR_STRING_REF1_OP:\r
+ Value->Type = EFI_IFR_TYPE_STRING;\r
+ CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID));\r
+ break;\r
+\r
+ case EFI_IFR_RULE_REF_OP:\r
+ ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId;\r
+ break;\r
+\r
+ case EFI_IFR_SPAN_OP:\r
+ ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags;\r
+ break;\r
+\r
+ case EFI_IFR_THIS_OP:\r
+ ASSERT (CurrentStatement != NULL);\r
+ ExpressionOpCode->QuestionId = CurrentStatement->QuestionId;\r
+ break;\r
+\r
+ case EFI_IFR_QUESTION_REF1_OP:\r
+ CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r
+ break;\r
+\r
+ case EFI_IFR_QUESTION_REF3_OP:\r
+ if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) {\r
+ CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));\r
+\r
+ if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) {\r
+ CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID));\r
+ }\r
+ }\r
+ break;\r
+\r
+ //\r
+ // constant\r
+ //\r
+ case EFI_IFR_TRUE_OP:\r
+ Value->Type = EFI_IFR_TYPE_BOOLEAN;\r
+ Value->Value.b = TRUE;\r
+ break;\r
+\r
+ case EFI_IFR_FALSE_OP:\r
+ Value->Type = EFI_IFR_TYPE_BOOLEAN;\r
+ Value->Value.b = FALSE;\r
+ break;\r
+\r
+ case EFI_IFR_ONE_OP:\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r
+ Value->Value.u8 = 1;\r
+ break;\r
+\r
+ case EFI_IFR_ZERO_OP:\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r
+ Value->Value.u8 = 0;\r
+ break;\r
+\r
+ case EFI_IFR_ONES_OP:\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r
+ Value->Value.u64 = 0xffffffffffffffffULL;\r
+ break;\r
+\r
+ case EFI_IFR_UINT8_OP:\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r
+ Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value;\r
+ break;\r
+\r
+ case EFI_IFR_UINT16_OP:\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r
+ CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16));\r
+ break;\r
+\r
+ case EFI_IFR_UINT32_OP:\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;\r
+ CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32));\r
+ break;\r
+\r
+ case EFI_IFR_UINT64_OP:\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r
+ CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64));\r
+ break;\r
+\r
+ case EFI_IFR_UNDEFINED_OP:\r
+ Value->Type = EFI_IFR_TYPE_OTHER;\r
+ break;\r
+\r
+ case EFI_IFR_VERSION_OP:\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r
+ Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION;\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+\r
+ InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);\r
+\r
+ if (SingleOpCodeExpression) {\r
+ //\r
+ // There are two cases to indicate the end of an Expression:\r
+ // for single OpCode expression: one Expression OpCode\r
+ // for expression consists of more than one OpCode: EFI_IFR_END\r
+ //\r
+ SingleOpCodeExpression = FALSE;\r
+\r
+ if (InScopeDisable) {\r
+ //\r
+ // Evaluate DisableIf expression\r
+ //\r
+ Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ ASSERT (CurrentExpression != NULL);\r
+ if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ OpCodeDisabled = CurrentExpression->Result.Value.b;\r
+ }\r
+\r
+ CurrentExpression = NULL;\r
+ }\r
+\r
+ continue;\r
+ }\r
+\r
+ //\r
+ // Parse the Opcode\r
+ //\r
+ switch (Operand) {\r
+\r
+ case EFI_IFR_FORM_SET_OP:\r
+ //\r
+ // check the formset GUID\r
+ //\r
+ if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));\r
+ CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));\r
+ break;\r
+\r
+ case EFI_IFR_FORM_OP:\r
+ //\r
+ // Create a new Form for this FormSet\r
+ //\r
+ CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));\r
+ ASSERT (CurrentForm != NULL);\r
+ CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;\r
+ InitializeListHead (&CurrentForm->ExpressionListHead);\r
+ InitializeListHead (&CurrentForm->StatementListHead);\r
+\r
+ CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));\r
+ CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));\r
+\r
+ //\r
+ // Insert into Form list of this FormSet\r
+ //\r
+ InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);\r
+ break;\r
+\r
+ //\r
+ // Storage\r
+ //\r
+ case EFI_IFR_VARSTORE_OP:\r
+ //\r
+ // Create a buffer Storage for this FormSet\r
+ //\r
+ Storage = CreateStorage (FormSet);\r
+ Storage->Type = EFI_HII_VARSTORE_BUFFER;\r
+\r
+ CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r
+ CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID));\r
+ CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16));\r
+\r
+ Storage->Buffer = AllocateZeroPool (Storage->Size);\r
+ Storage->EditBuffer = AllocateZeroPool (Storage->Size);\r
+\r
+ AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;\r
+ Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2);\r
+ ASSERT (Storage->Name != NULL);\r
+ for (Index = 0; AsciiString[Index] != 0; Index++) {\r
+ Storage->Name[Index] = (CHAR16) AsciiString[Index];\r
+ }\r
+\r
+ //\r
+ // Initialize <ConfigHdr>\r
+ //\r
+ InitializeConfigHdr (FormSet, Storage);\r
+ break;\r
+\r
+ case EFI_IFR_VARSTORE_NAME_VALUE_OP:\r
+ //\r
+ // Create a name/value Storage for this FormSet\r
+ //\r
+ Storage = CreateStorage (FormSet);\r
+ Storage->Type = EFI_HII_VARSTORE_NAME_VALUE;\r
+\r
+ CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r
+ CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID));\r
+\r
+ //\r
+ // Initialize <ConfigHdr>\r
+ //\r
+ InitializeConfigHdr (FormSet, Storage);\r
+ break;\r
+\r
+ case EFI_IFR_VARSTORE_EFI_OP:\r
+ //\r
+ // Create a EFI variable Storage for this FormSet\r
+ //\r
+ Storage = CreateStorage (FormSet);\r
+ Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE;\r
+\r
+ CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r
+ CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID));\r
+ CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));\r
+ break;\r
+\r
+ //\r
+ // DefaultStore\r
+ //\r
+ case EFI_IFR_DEFAULTSTORE_OP:\r
+ DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE));\r
+ ASSERT (DefaultStore != NULL);\r
+ DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE;\r
+\r
+ CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16));\r
+ CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID));\r
+\r
+ //\r
+ // Insert to DefaultStore list of this Formset\r
+ //\r
+ InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link);\r
+ break;\r
+\r
+ //\r
+ // Statements\r
+ //\r
+ case EFI_IFR_SUBTITLE_OP:\r
+ CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);\r
+ ASSERT (CurrentStatement != NULL);\r
+ \r
+ CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;\r
+\r
+ if (Scope != 0) {\r
+ mInScopeSubtitle = TRUE;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_TEXT_OP:\r
+ CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);\r
+ ASSERT (CurrentStatement != NULL);\r
+\r
+ CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));\r
+ break;\r
+\r
+ //\r
+ // Questions\r
+ //\r
+ case EFI_IFR_ACTION_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+ ASSERT (CurrentStatement != NULL);\r
+\r
+ if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) {\r
+ //\r
+ // No QuestionConfig present, so no configuration string will be processed\r
+ //\r
+ CurrentStatement->QuestionConfig = 0;\r
+ } else {\r
+ CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID));\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_RESET_BUTTON_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));\r
+ break;\r
+\r
+ case EFI_IFR_REF_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID));\r
+ if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {\r
+ CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r
+\r
+ if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {\r
+ CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID));\r
+\r
+ if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {\r
+ CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));\r
+ }\r
+ }\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_ONE_OF_OP:\r
+ case EFI_IFR_NUMERIC_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags;\r
+ Value = &CurrentStatement->HiiValue;\r
+\r
+ switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) {\r
+ case EFI_IFR_NUMERIC_SIZE_1:\r
+ CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue;\r
+ CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue;\r
+ CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step;\r
+ CurrentStatement->StorageWidth = sizeof (UINT8);\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r
+ break;\r
+\r
+ case EFI_IFR_NUMERIC_SIZE_2:\r
+ CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16));\r
+ CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16));\r
+ CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16));\r
+ CurrentStatement->StorageWidth = sizeof (UINT16);\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r
+ break;\r
+\r
+ case EFI_IFR_NUMERIC_SIZE_4:\r
+ CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32));\r
+ CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32));\r
+ CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32));\r
+ CurrentStatement->StorageWidth = sizeof (UINT32);\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;\r
+ break;\r
+\r
+ case EFI_IFR_NUMERIC_SIZE_8:\r
+ CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64));\r
+ CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64));\r
+ CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64));\r
+ CurrentStatement->StorageWidth = sizeof (UINT64);\r
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+\r
+ InitializeRequestElement (FormSet, CurrentStatement);\r
+\r
+ if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) {\r
+ SuppressForOption = TRUE;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_ORDERED_LIST_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;\r
+ CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;\r
+ CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8));\r
+ InitializeRequestElement (FormSet, CurrentStatement);\r
+\r
+ //\r
+ // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver\r
+ // has to use FormBrowser2.Callback() to retrieve the uncommited data for\r
+ // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set).\r
+ //\r
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER;\r
+ CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);\r
+\r
+ if (Scope != 0) {\r
+ SuppressForOption = TRUE;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_CHECKBOX_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;\r
+ CurrentStatement->StorageWidth = sizeof (BOOLEAN);\r
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;\r
+\r
+ InitializeRequestElement (FormSet, CurrentStatement);\r
+\r
+ break;\r
+\r
+ case EFI_IFR_STRING_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ //\r
+ // MinSize is the minimum number of characters that can be accepted for this opcode,\r
+ // MaxSize is the maximum number of characters that can be accepted for this opcode.\r
+ // The characters are stored as Unicode, so the storage width should multiply 2.\r
+ //\r
+ CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize;\r
+ CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize;\r
+ CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));\r
+ CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags;\r
+\r
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;\r
+ CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16));\r
+\r
+ InitializeRequestElement (FormSet, CurrentStatement);\r
+ break;\r
+\r
+ case EFI_IFR_PASSWORD_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ //\r
+ // MinSize is the minimum number of characters that can be accepted for this opcode,\r
+ // MaxSize is the maximum number of characters that can be accepted for this opcode.\r
+ // The characters are stored as Unicode, so the storage width should multiply 2.\r
+ //\r
+ CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16));\r
+ CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16));\r
+ CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));\r
+\r
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;\r
+ CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16)));\r
+\r
+ InitializeRequestElement (FormSet, CurrentStatement);\r
+ break;\r
+\r
+ case EFI_IFR_DATE_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags;\r
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE;\r
+\r
+ if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) {\r
+ CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE);\r
+\r
+ InitializeRequestElement (FormSet, CurrentStatement);\r
+ } else {\r
+ //\r
+ // Don't assign storage for RTC type of date/time\r
+ //\r
+ CurrentStatement->Storage = NULL;\r
+ CurrentStatement->StorageWidth = 0;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_TIME_OP:\r
+ CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r
+\r
+ CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags;\r
+ CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME;\r
+\r
+ if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) {\r
+ CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME);\r
+\r
+ InitializeRequestElement (FormSet, CurrentStatement);\r
+ } else {\r
+ //\r
+ // Don't assign storage for RTC type of date/time\r
+ //\r
+ CurrentStatement->Storage = NULL;\r
+ CurrentStatement->StorageWidth = 0;\r
+ }\r
+ break;\r
+\r
+ //\r
+ // Default\r
+ //\r
+ case EFI_IFR_DEFAULT_OP:\r
+ //\r
+ // EFI_IFR_DEFAULT appear in scope of a Question,\r
+ // It creates a default value for the current question.\r
+ // A Question may have more than one Default value which have different default types.\r
+ //\r
+ CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));\r
+ ASSERT (CurrentDefault != NULL);\r
+ CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;\r
+\r
+ CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type;\r
+ CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16));\r
+ CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));\r
+ ExtendValueToU64 (&CurrentDefault->Value);\r
+\r
+ //\r
+ // Insert to Default Value list of current Question\r
+ //\r
+ InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link);\r
+\r
+ if (Scope != 0) {\r
+ InScopeDefault = TRUE;\r
+ }\r
+ break;\r
+\r
+ //\r
+ // Option\r
+ //\r
+ case EFI_IFR_ONE_OF_OPTION_OP:\r
+ //\r
+ // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.\r
+ // It create a selection for use in current Question.\r
+ //\r
+ CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION));\r
+ ASSERT (CurrentOption != NULL);\r
+ CurrentOption->Signature = QUESTION_OPTION_SIGNATURE;\r
+\r
+ CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags;\r
+ CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type;\r
+ CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID));\r
+ CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));\r
+ ExtendValueToU64 (&CurrentOption->Value);\r
+\r
+ if (InScopeOptionSuppress) {\r
+ CurrentOption->SuppressExpression = OptionSuppressExpression;\r
+ }\r
+\r
+ //\r
+ // Insert to Option list of current Question\r
+ //\r
+ InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link);\r
+ break;\r
+\r
+ //\r
+ // Conditional\r
+ //\r
+ case EFI_IFR_NO_SUBMIT_IF_OP:\r
+ case EFI_IFR_INCONSISTENT_IF_OP:\r
+ //\r
+ // Create an Expression node\r
+ //\r
+ CurrentExpression = CreateExpression (CurrentForm);\r
+ CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID));\r
+\r
+ if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) {\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF;\r
+ InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link);\r
+ } else {\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF;\r
+ InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link);\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_SUPPRESS_IF_OP:\r
+ //\r
+ // Question and Option will appear in scope of this OpCode\r
+ //\r
+ CurrentExpression = CreateExpression (CurrentForm);\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF;\r
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r
+\r
+ if (SuppressForOption) {\r
+ InScopeOptionSuppress = TRUE;\r
+ OptionSuppressExpression = CurrentExpression;\r
+ } else {\r
+ mInScopeSuppress = TRUE;\r
+ mSuppressExpression = CurrentExpression;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_GRAY_OUT_IF_OP:\r
+ //\r
+ // Questions will appear in scope of this OpCode\r
+ //\r
+ CurrentExpression = CreateExpression (CurrentForm);\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF;\r
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r
+\r
+ mInScopeGrayOut = TRUE;\r
+ mGrayOutExpression = CurrentExpression;\r
+ break;\r
+\r
+ case EFI_IFR_DISABLE_IF_OP:\r
+ //\r
+ // The DisableIf expression should only rely on constant, so it could be\r
+ // evaluated at initialization and it will not be queued\r
+ //\r
+ CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION));\r
+ ASSERT (CurrentExpression != NULL);\r
+ CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE;\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF;\r
+ InitializeListHead (&CurrentExpression->OpCodeListHead);\r
+\r
+ InScopeDisable = TRUE;\r
+ OpCodeDisabled = FALSE;\r
+\r
+ //\r
+ // Take a look at next OpCode to see whether current expression consists\r
+ // of single OpCode\r
+ //\r
+ if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {\r
+ SingleOpCodeExpression = TRUE;\r
+ }\r
+ break;\r
+\r
+ //\r
+ // Expression\r
+ //\r
+ case EFI_IFR_VALUE_OP:\r
+ CurrentExpression = CreateExpression (CurrentForm);\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE;\r
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r
+\r
+ if (InScopeDefault) {\r
+ //\r
+ // Used for default (EFI_IFR_DEFAULT)\r
+ //\r
+ CurrentDefault->ValueExpression = CurrentExpression;\r
+ } else {\r
+ //\r
+ // If used for a question, then the question will be read-only\r
+ //\r
+ //\r
+ // Make sure CurrentStatement is not NULL.\r
+ // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR\r
+ // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.\r
+ //\r
+ ASSERT (CurrentStatement != NULL);\r
+ CurrentStatement->ValueExpression = CurrentExpression;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_RULE_OP:\r
+ CurrentExpression = CreateExpression (CurrentForm);\r
+ CurrentExpression->Type = EFI_HII_EXPRESSION_RULE;\r
+\r
+ CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId;\r
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r
+ break;\r
+\r
+ //\r
+ // Image\r
+ //\r
+ case EFI_IFR_IMAGE_OP:\r
+ //\r
+ // Get ScopeOpcode from top of stack\r
+ //\r
+ PopScope (&ScopeOpCode);\r
+ PushScope (ScopeOpCode);\r
+\r
+ switch (ScopeOpCode) {\r
+ case EFI_IFR_FORM_SET_OP:\r
+ ImageId = &FormSet->ImageId;\r
+ break;\r
+\r
+ case EFI_IFR_FORM_OP:\r
+ ASSERT (CurrentForm != NULL);\r
+ ImageId = &CurrentForm->ImageId;\r
+ break;\r
+\r
+ case EFI_IFR_ONE_OF_OPTION_OP:\r
+ ImageId = &CurrentOption->ImageId;\r
+ break;\r
+\r
+ default:\r
+ //\r
+ // Make sure CurrentStatement is not NULL.\r
+ // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR\r
+ // file is wrongly generated by tools such as VFR Compiler.\r
+ //\r
+ ASSERT (CurrentStatement != NULL);\r
+ ImageId = &CurrentStatement->ImageId;\r
+ break;\r
+ }\r
+\r
+ ASSERT (ImageId != NULL);\r
+ CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID));\r
+ break;\r
+\r
+ //\r
+ // Refresh\r
+ //\r
+ case EFI_IFR_REFRESH_OP:\r
+ ASSERT (CurrentStatement != NULL);\r
+ CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval;\r
+ break;\r
+\r
+ //\r
+ // Vendor specific\r
+ //\r
+ case EFI_IFR_GUID_OP:\r
+ if (CompareGuid (&gEfiIfrTianoGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {\r
+ //\r
+ // Tiano specific GUIDed opcodes\r
+ //\r
+ switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) {\r
+ case EFI_IFR_EXTEND_OP_LABEL:\r
+ //\r
+ // just ignore label\r
+ //\r
+ break;\r
+\r
+ case EFI_IFR_EXTEND_OP_BANNER:\r
+ if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) {\r
+ CopyMem (\r
+ &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][\r
+ ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment],\r
+ &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title,\r
+ sizeof (EFI_STRING_ID)\r
+ );\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_EXTEND_OP_CLASS:\r
+ CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));\r
+ break;\r
+\r
+ case EFI_IFR_EXTEND_OP_SUBCLASS:\r
+ CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16));\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+ }\r
+\r
+ break;\r
+\r
+ //\r
+ // Scope End\r
+ //\r
+ case EFI_IFR_END_OP:\r
+ Status = PopScope (&ScopeOpCode);\r
+ if (EFI_ERROR (Status)) {\r
+ ResetScopeStack ();\r
+ return Status;\r
+ }\r
+\r
+ switch (ScopeOpCode) {\r
+ case EFI_IFR_FORM_SET_OP:\r
+ //\r
+ // End of FormSet, update FormSet IFR binary length\r
+ // to stop parsing substantial OpCodes\r
+ //\r
+ FormSet->IfrBinaryLength = OpCodeOffset;\r
+ break;\r
+\r
+ case EFI_IFR_FORM_OP:\r
+ //\r
+ // End of Form\r
+ //\r
+ CurrentForm = NULL;\r
+ break;\r
+\r
+ case EFI_IFR_ONE_OF_OPTION_OP:\r
+ //\r
+ // End of Option\r
+ //\r
+ CurrentOption = NULL;\r
+ break;\r
+\r
+ case EFI_IFR_SUBTITLE_OP:\r
+ mInScopeSubtitle = FALSE;\r
+ break;\r
+\r
+ case EFI_IFR_NO_SUBMIT_IF_OP:\r
+ case EFI_IFR_INCONSISTENT_IF_OP:\r
+ //\r
+ // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF\r
+ //\r
+ break;\r
+\r
+ case EFI_IFR_SUPPRESS_IF_OP:\r
+ if (SuppressForOption) {\r
+ InScopeOptionSuppress = FALSE;\r
+ } else {\r
+ mInScopeSuppress = FALSE;\r
+ }\r
+ break;\r
+\r
+ case EFI_IFR_GRAY_OUT_IF_OP:\r
+ mInScopeGrayOut = FALSE;\r
+ break;\r
+\r
+ case EFI_IFR_DISABLE_IF_OP:\r
+ InScopeDisable = FALSE;\r
+ OpCodeDisabled = FALSE;\r
+ break;\r
+\r
+ case EFI_IFR_ONE_OF_OP:\r
+ case EFI_IFR_ORDERED_LIST_OP:\r
+ SuppressForOption = FALSE;\r
+ break;\r
+\r
+ case EFI_IFR_DEFAULT_OP:\r
+ InScopeDefault = FALSE;\r
+ break;\r
+\r
+ default:\r
+ if (IsExpressionOpCode (ScopeOpCode)) {\r
+ if (InScopeDisable) {\r
+ //\r
+ // Evaluate DisableIf expression\r
+ //\r
+ Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ ASSERT (CurrentExpression != NULL);\r
+ if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ OpCodeDisabled = CurrentExpression->Result.Value.b;\r
+ //\r
+ // DisableIf Expression is only used once and not quequed, free it\r
+ //\r
+ DestroyExpression (CurrentExpression);\r
+ }\r
+\r
+ //\r
+ // End of current Expression\r
+ //\r
+ CurrentExpression = NULL;\r
+ }\r
+ break;\r
+ }\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
projects / mirror_edk2.git / blobdiff