diff options
Diffstat (limited to 'MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c')
| -rw-r--r-- | MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c | 2728 |
1 files changed, 0 insertions, 2728 deletions
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c deleted file mode 100644 index 8e8607d4c0..0000000000 --- a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c +++ /dev/null @@ -1,2728 +0,0 @@ -/** @file
-Parser for IFR binary encoding.
-
-Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>
-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"
-
-UINT16 mStatementIndex;
-UINT16 mExpressionOpCodeIndex;
-EFI_QUESTION_ID mUsedQuestionId;
-extern LIST_ENTRY gBrowserStorageList;
-/**
- 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;
- INTN ConditionalExprCount;
-
- if (Form == NULL) {
- //
- // Only guid op may out side the form level.
- //
- ASSERT (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_GUID_OP);
- }
-
- Statement = &FormSet->StatementBuffer[mStatementIndex];
- mStatementIndex++;
-
- InitializeListHead (&Statement->DefaultListHead);
- InitializeListHead (&Statement->OptionListHead);
- InitializeListHead (&Statement->InconsistentListHead);
- InitializeListHead (&Statement->NoSubmitListHead);
- InitializeListHead (&Statement->WarningListHead);
-
- Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE;
-
- Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;
- Statement->OpCode = (EFI_IFR_OP_HEADER *) OpCodeData;
-
- 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));
-
- ConditionalExprCount = GetConditionalExpressionCount(ExpressStatement);
- if (ConditionalExprCount > 0) {
- //
- // Form is inside of suppressif
- //
-
- Statement->Expression = (FORM_EXPRESSION_LIST *) AllocatePool(
- (UINTN) (sizeof(FORM_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof(FORM_EXPRESSION *))));
- ASSERT (Statement->Expression != NULL);
- Statement->Expression->Count = (UINTN) ConditionalExprCount;
- Statement->Expression->Signature = FORM_EXPRESSION_LIST_SIGNATURE;
- CopyMem (Statement->Expression->Expression, GetConditionalExpressionList(ExpressStatement), (UINTN) (sizeof (FORM_EXPRESSION *) * ConditionalExprCount));
- }
-
- //
- // Insert this Statement into current Form
- //
- if (Form == NULL) {
- InsertTailList (&FormSet->StatementListOSF, &Statement->Link);
- } else {
- InsertTailList (&Form->StatementListHead, &Statement->Link);
- }
- return Statement;
-}
-
-/**
- Convert a numeric value to a Unicode String and insert it to String Package.
- This string is used as the Unicode Name for the EFI Variable. This is to support
- the deprecated vareqval opcode.
-
- @param FormSet The FormSet.
- @param Statement The numeric question whose VarStoreInfo.VarName is the
- numeric value which is used to produce the Unicode Name
- for the EFI Variable.
-
- If the Statement is NULL, the ASSERT.
- If the opcode is not Numeric, then ASSERT.
-
- @retval EFI_SUCCESS The funtion always succeeds.
-**/
-EFI_STATUS
-UpdateCheckBoxStringToken (
- IN CONST FORM_BROWSER_FORMSET *FormSet,
- IN FORM_BROWSER_STATEMENT *Statement
- )
-{
- CHAR16 Str[MAXIMUM_VALUE_CHARACTERS];
- EFI_STRING_ID Id;
-
- ASSERT (Statement != NULL);
- ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP);
-
- UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1);
-
- Id = HiiSetString (FormSet->HiiHandle, 0, Str, NULL);
- if (Id == 0) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Statement->VarStoreInfo.VarName = Id;
-
- return EFI_SUCCESS;
-}
-
-/**
- Check if the next opcode is the EFI_IFR_EXTEND_OP_VAREQNAME.
-
- @param OpCodeData The current opcode.
-
- @retval TRUE Yes.
- @retval FALSE No.
-**/
-BOOLEAN
-IsNextOpCodeGuidedVarEqName (
- IN UINT8 *OpCodeData
- )
-{
- //
- // Get next opcode
- //
- OpCodeData += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
- if (*OpCodeData == EFI_IFR_GUID_OP) {
- if (CompareGuid (&gEfiIfrFrameworkGuid, (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;
- BOOLEAN Find;
-
- 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 (PcdFrameworkCompatibilitySupport)) {
- 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->BrowserStorage;
- 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) {
- //
- // Check whether old string node already exist.
- //
- Find = FALSE;
- if (!IsListEmpty(&Statement->Storage->NameValueListHead)) {
- Link = GetFirstNode (&Statement->Storage->NameValueListHead);
- while (!IsNull (&Statement->Storage->NameValueListHead, Link)) {
- NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);
-
- if (StrCmp (Statement->VariableName, NameValueNode->Name) == 0) {
- Find = TRUE;
- break;
- }
-
- Link = GetNextNode (&Statement->Storage->NameValueListHead, Link);
- }
- }
-
- if (!Find) {
- //
- // 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
- @param OpCode The binary opcode data.
-
- @return Pointer to a FORM_EXPRESSION data structure.
-
-**/
-FORM_EXPRESSION *
-CreateExpression (
- IN OUT FORM_BROWSER_FORM *Form,
- IN UINT8 *OpCode
- )
-{
- FORM_EXPRESSION *Expression;
-
- Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION));
- ASSERT (Expression != NULL);
- Expression->Signature = FORM_EXPRESSION_SIGNATURE;
- InitializeListHead (&Expression->OpCodeListHead);
- Expression->OpCode = (EFI_IFR_OP_HEADER *) OpCode;
-
- return Expression;
-}
-
-/**
- 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
- )
-{
- CHAR16 *Name;
-
- if (Storage->BrowserStorage->Type == EFI_HII_VARSTORE_BUFFER ||
- Storage->BrowserStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
- Name = Storage->BrowserStorage->Name;
- } else {
- Name = NULL;
- }
-
- Storage->ConfigHdr = HiiConstructConfigHdr (
- &Storage->BrowserStorage->Guid,
- Name,
- FormSet->DriverHandle
- );
-
- if (Storage->ConfigHdr == NULL) {
- return EFI_NOT_FOUND;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Find the global storage link base on the input storate type, name and guid.
-
- For EFI_HII_VARSTORE_EFI_VARIABLE and EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER,
- same guid + name = same storage
-
- For EFI_HII_VARSTORE_NAME_VALUE:
- same guid + HiiHandle = same storage
-
- For EFI_HII_VARSTORE_BUFFER:
- same guid + name + HiiHandle = same storage
-
- @param StorageType Storage type.
- @param StorageGuid Storage guid.
- @param StorageName Storage Name.
- @param HiiHandle HiiHandle for this varstore.
-
- @return Pointer to a GLOBAL_STORAGE data structure.
-
-**/
-BROWSER_STORAGE *
-FindStorageInList (
- IN UINT8 StorageType,
- IN EFI_GUID *StorageGuid,
- IN CHAR16 *StorageName,
- IN EFI_HII_HANDLE HiiHandle
- )
-{
- LIST_ENTRY *Link;
- BROWSER_STORAGE *BrowserStorage;
-
- Link = GetFirstNode (&gBrowserStorageList);
- while (!IsNull (&gBrowserStorageList, Link)) {
- BrowserStorage = BROWSER_STORAGE_FROM_LINK (Link);
- Link = GetNextNode (&gBrowserStorageList, Link);
-
- if ((BrowserStorage->Type == StorageType) && CompareGuid (&BrowserStorage->Guid, StorageGuid)) {
- if (StorageType == EFI_HII_VARSTORE_NAME_VALUE) {
- if (BrowserStorage->HiiHandle == HiiHandle) {
- return BrowserStorage;
- }
-
- continue;
- }
-
- ASSERT (StorageName != NULL);
- if (StrCmp (BrowserStorage->Name, StorageName) == 0) {
- if (StorageType == EFI_HII_VARSTORE_EFI_VARIABLE || StorageType == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
- return BrowserStorage;
- } else if (StorageType == EFI_HII_VARSTORE_BUFFER && BrowserStorage->HiiHandle == HiiHandle) {
- return BrowserStorage;
- }
- }
- }
- }
-
- return NULL;
-}
-
-/**
- Intialize the Global Storage.
-
- @param BrowserStorage Pointer to the global storage.
- @param StorageType Storage type.
- @param OpCodeData Binary data for this opcode.
-
-**/
-VOID
-IntializeBrowserStorage (
- IN BROWSER_STORAGE *BrowserStorage,
- IN UINT8 StorageType,
- IN UINT8 *OpCodeData
- )
-{
- switch (StorageType) {
- case EFI_HII_VARSTORE_BUFFER:
- CopyMem (&BrowserStorage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID));
- CopyMem (&BrowserStorage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16));
-
- BrowserStorage->Buffer = AllocateZeroPool (BrowserStorage->Size);
- BrowserStorage->EditBuffer = AllocateZeroPool (BrowserStorage->Size);
- break;
-
- case EFI_HII_VARSTORE_EFI_VARIABLE:
- case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:
- CopyMem (&BrowserStorage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID));
- CopyMem (&BrowserStorage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));
- CopyMem (&BrowserStorage->Size, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Size, sizeof (UINT16));
-
- if (StorageType == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
- BrowserStorage->Buffer = AllocateZeroPool (BrowserStorage->Size);
- BrowserStorage->EditBuffer = AllocateZeroPool (BrowserStorage->Size);
- }
- break;
-
- case EFI_HII_VARSTORE_NAME_VALUE:
- CopyMem (&BrowserStorage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID));
-
- InitializeListHead (&BrowserStorage->NameValueListHead);
- break;
-
- default:
- break;
- }
-}
-
-/**
- Check whether exist device path info in the ConfigHdr string.
-
- @param String UEFI configuration string
-
- @retval TRUE Device Path exist.
- @retval FALSE Not exist device path info.
-
-**/
-BOOLEAN
-IsDevicePathExist (
- IN EFI_STRING String
- )
-{
- UINTN Length;
-
- for (; (*String != 0 && StrnCmp (String, L"PATH=", StrLen (L"PATH=")) != 0); String++);
- if (*String == 0) {
- return FALSE;
- }
-
- String += StrLen (L"PATH=");
- if (*String == 0) {
- return FALSE;
- }
-
- for (Length = 0; *String != 0 && *String != L'&'; String++, Length++);
- if (((Length + 1) / 2) < sizeof (EFI_DEVICE_PATH_PROTOCOL)) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-/**
- Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.
-
- @param FormSet Pointer of the current FormSet
- @param StorageType Storage type.
- @param OpCodeData Binary data for this opcode.
-
- @return Pointer to a FORMSET_STORAGE data structure.
-
-**/
-FORMSET_STORAGE *
-CreateStorage (
- IN FORM_BROWSER_FORMSET *FormSet,
- IN UINT8 StorageType,
- IN UINT8 *OpCodeData
- )
-{
- FORMSET_STORAGE *Storage;
- CHAR16 *UnicodeString;
- UINT16 Index;
- BROWSER_STORAGE *BrowserStorage;
- EFI_GUID *StorageGuid;
- CHAR8 *StorageName;
-
- UnicodeString = NULL;
- StorageName = NULL;
- switch (StorageType) {
- case EFI_HII_VARSTORE_BUFFER:
- StorageGuid = (EFI_GUID *) (CHAR8*) &((EFI_IFR_VARSTORE *) OpCodeData)->Guid;
- StorageName = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;
- break;
-
- case EFI_HII_VARSTORE_EFI_VARIABLE:
- case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:
- StorageGuid = (EFI_GUID *) (CHAR8*) &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid;
- StorageName = (CHAR8 *) ((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Name;
- break;
-
- default:
- ASSERT (StorageType == EFI_HII_VARSTORE_NAME_VALUE);
- StorageGuid = &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid;
- break;
- }
-
- if (StorageType != EFI_HII_VARSTORE_NAME_VALUE) {
- ASSERT (StorageName != NULL);
-
- UnicodeString = AllocateZeroPool (AsciiStrSize (StorageName) * 2);
- ASSERT (UnicodeString != NULL);
- for (Index = 0; StorageName[Index] != 0; Index++) {
- UnicodeString[Index] = (CHAR16) StorageName[Index];
- }
- }
-
- Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));
- ASSERT (Storage != NULL);
- Storage->Signature = FORMSET_STORAGE_SIGNATURE;
- InsertTailList (&FormSet->StorageListHead, &Storage->Link);
-
- BrowserStorage = FindStorageInList(StorageType, StorageGuid, UnicodeString, FormSet->HiiHandle);
- if (BrowserStorage == NULL) {
- BrowserStorage = AllocateZeroPool (sizeof (BROWSER_STORAGE));
- ASSERT (BrowserStorage != NULL);
-
- BrowserStorage->Signature = BROWSER_STORAGE_SIGNATURE;
- InsertTailList (&gBrowserStorageList, &BrowserStorage->Link);
-
- IntializeBrowserStorage (BrowserStorage, StorageType, OpCodeData);
- BrowserStorage->Type = StorageType;
- if (StorageType != EFI_HII_VARSTORE_NAME_VALUE) {
- BrowserStorage->Name = UnicodeString;
- }
-
- BrowserStorage->HiiHandle = FormSet->HiiHandle;
-
- BrowserStorage->Initialized = FALSE;
- }
-
- Storage->BrowserStorage = BrowserStorage;
- InitializeConfigHdr (FormSet, Storage);
- Storage->ConfigRequest = AllocateCopyPool (StrSize (Storage->ConfigHdr), Storage->ConfigHdr);
- Storage->SpareStrLen = 0;
-
- return Storage;
-}
-
-/**
- Get Formset_storage base on the input varstoreid info.
-
- @param FormSet Pointer of the current FormSet.
- @param VarStoreId Varstore ID info.
-
- @return Pointer to a FORMSET_STORAGE data structure.
-
-**/
-FORMSET_STORAGE *
-GetFstStgFromVarId (
- IN FORM_BROWSER_FORMSET *FormSet,
- IN EFI_VARSTORE_ID VarStoreId
- )
-{
- FORMSET_STORAGE *FormsetStorage;
- LIST_ENTRY *Link;
- BOOLEAN Found;
-
- Found = FALSE;
- FormsetStorage = NULL;
- //
- // Find Formset Storage for this Question
- //
- Link = GetFirstNode (&FormSet->StorageListHead);
- while (!IsNull (&FormSet->StorageListHead, Link)) {
- FormsetStorage = FORMSET_STORAGE_FROM_LINK (Link);
-
- if (FormsetStorage->VarStoreId == VarStoreId) {
- Found = TRUE;
- break;
- }
-
- Link = GetNextNode (&FormSet->StorageListHead, Link);
- }
-
- return Found ? FormsetStorage : NULL;
-}
-
-/**
- Get Formset_storage base on the input browser storage.
-
- More than one formsets may share the same browser storage,
- this function just get the first formset storage which
- share the browser storage.
-
- @param Storage browser storage info.
-
- @return Pointer to a FORMSET_STORAGE data structure.
-
-
-**/
-FORMSET_STORAGE *
-GetFstStgFromBrsStg (
- IN BROWSER_STORAGE *Storage
- )
-{
- FORMSET_STORAGE *FormsetStorage;
- LIST_ENTRY *Link;
- LIST_ENTRY *FormsetLink;
- FORM_BROWSER_FORMSET *FormSet;
- BOOLEAN Found;
-
- Found = FALSE;
- FormsetStorage = NULL;
-
- FormsetLink = GetFirstNode (&gBrowserFormSetList);
- while (!IsNull (&gBrowserFormSetList, FormsetLink)) {
- FormSet = FORM_BROWSER_FORMSET_FROM_LINK (FormsetLink);
- FormsetLink = GetNextNode (&gBrowserFormSetList, FormsetLink);
-
- Link = GetFirstNode (&FormSet->StorageListHead);
- while (!IsNull (&FormSet->StorageListHead, Link)) {
- FormsetStorage = FORMSET_STORAGE_FROM_LINK (Link);
- Link = GetNextNode (&FormSet->StorageListHead, Link);
-
- if (FormsetStorage->BrowserStorage == Storage) {
- Found = TRUE;
- break;
- }
- }
-
- if (Found) {
- break;
- }
- }
-
- return Found ? FormsetStorage : NULL;
-}
-
-/**
- Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>
-
- @param FormSet Pointer of the current FormSet.
- @param Question The Question to be initialized.
- @param Form Pointer of the current form.
-
- @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,
- IN OUT FORM_BROWSER_FORM *Form
- )
-{
- BROWSER_STORAGE *Storage;
- FORMSET_STORAGE *FormsetStorage;
- UINTN StrLen;
- UINTN StringSize;
- CHAR16 *NewStr;
- CHAR16 RequestElement[30];
- LIST_ENTRY *Link;
- BOOLEAN Find;
- FORM_BROWSER_CONFIG_REQUEST *ConfigInfo;
- UINTN MaxLen;
-
- 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 ||
- Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
- StrLen = UnicodeSPrint (
- RequestElement,
- 30 * sizeof (CHAR16),
- L"&OFFSET=%04x&WIDTH=%04x",
- Question->VarStoreInfo.VarOffset,
- Question->StorageWidth
- );
- HiiToLower(RequestElement);
- 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;
- }
-
- //
- // Find Formset Storage for this Question
- //
- FormsetStorage = GetFstStgFromVarId(FormSet, Question->VarStoreId);
- ASSERT (FormsetStorage != NULL);
- StringSize = (FormsetStorage->ConfigRequest != NULL) ? StrSize (FormsetStorage->ConfigRequest) : sizeof (CHAR16);
- MaxLen = StringSize / sizeof (CHAR16) + FormsetStorage->SpareStrLen;
-
- //
- // Append <RequestElement> to <ConfigRequest>
- //
- if (StrLen > FormsetStorage->SpareStrLen) {
- //
- // Old String buffer is not sufficient for RequestElement, allocate a new one
- //
- MaxLen = StringSize / sizeof (CHAR16) + CONFIG_REQUEST_STRING_INCREMENTAL;
- NewStr = AllocateZeroPool (MaxLen * sizeof (CHAR16));
- ASSERT (NewStr != NULL);
- if (FormsetStorage->ConfigRequest != NULL) {
- CopyMem (NewStr, FormsetStorage->ConfigRequest, StringSize);
- FreePool (FormsetStorage->ConfigRequest);
- }
- FormsetStorage->ConfigRequest = NewStr;
- FormsetStorage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL;
- }
-
- StrCatS (FormsetStorage->ConfigRequest, MaxLen, RequestElement);
- FormsetStorage->ElementCount++;
- FormsetStorage->SpareStrLen -= StrLen;
-
- //
- // Update the Config Request info saved in the form.
- //
- ConfigInfo = NULL;
- Find = FALSE;
- Link = GetFirstNode (&Form->ConfigRequestHead);
- while (!IsNull (&Form->ConfigRequestHead, Link)) {
- ConfigInfo = FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link);
-
- if (ConfigInfo != NULL && ConfigInfo->Storage == FormsetStorage->BrowserStorage) {
- Find = TRUE;
- break;
- }
-
- Link = GetNextNode (&Form->ConfigRequestHead, Link);
- }
-
- if (!Find) {
- ConfigInfo = AllocateZeroPool(sizeof (FORM_BROWSER_CONFIG_REQUEST));
- ASSERT (ConfigInfo != NULL);
- ConfigInfo->Signature = FORM_BROWSER_CONFIG_REQUEST_SIGNATURE;
- ConfigInfo->ConfigRequest = AllocateCopyPool (StrSize (FormsetStorage->ConfigHdr), FormsetStorage->ConfigHdr);
- ASSERT (ConfigInfo->ConfigRequest != NULL);
- ConfigInfo->SpareStrLen = 0;
- ConfigInfo->Storage = FormsetStorage->BrowserStorage;
- InsertTailList(&Form->ConfigRequestHead, &ConfigInfo->Link);
- }
- StringSize = (ConfigInfo->ConfigRequest != NULL) ? StrSize (ConfigInfo->ConfigRequest) : sizeof (CHAR16);
- MaxLen = StringSize / sizeof (CHAR16) + ConfigInfo->SpareStrLen;
-
- //
- // Append <RequestElement> to <ConfigRequest>
- //
- if (StrLen > ConfigInfo->SpareStrLen) {
- //
- // Old String buffer is not sufficient for RequestElement, allocate a new one
- //
- MaxLen = StringSize / sizeof (CHAR16) + CONFIG_REQUEST_STRING_INCREMENTAL;
- NewStr = AllocateZeroPool (MaxLen * sizeof (CHAR16));
- ASSERT (NewStr != NULL);
- if (ConfigInfo->ConfigRequest != NULL) {
- CopyMem (NewStr, ConfigInfo->ConfigRequest, StringSize);
- FreePool (ConfigInfo->ConfigRequest);
- }
- ConfigInfo->ConfigRequest = NewStr;
- ConfigInfo->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL;
- }
-
- StrCatS (ConfigInfo->ConfigRequest, MaxLen, RequestElement);
- ConfigInfo->ElementCount++;
- ConfigInfo->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;
- LIST_ENTRY *SubExpressionLink;
- FORM_EXPRESSION *SubExpression;
-
- while (!IsListEmpty (&Expression->OpCodeListHead)) {
- Link = GetFirstNode (&Expression->OpCodeListHead);
- OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);
- RemoveEntryList (&OpCode->Link);
-
- if (OpCode->ValueList != NULL) {
- FreePool (OpCode->ValueList);
- }
-
- if (OpCode->ValueName != NULL) {
- FreePool (OpCode->ValueName);
- }
-
- if (OpCode->MapExpressionList.ForwardLink != NULL) {
- while (!IsListEmpty (&OpCode->MapExpressionList)) {
- SubExpressionLink = GetFirstNode(&OpCode->MapExpressionList);
- SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);
- RemoveEntryList(&SubExpression->Link);
- DestroyExpression (SubExpression);
- }
- }
- }
-
- //
- // Free this Expression
- //
- FreePool (Expression);
-}
-
-/**
- Free resources of a storage.
-
- @param Storage Pointer of the storage
-
-**/
-VOID
-DestroyStorage (
- IN FORMSET_STORAGE *Storage
- )
-{
- if (Storage == NULL) {
- return;
- }
-
- if (Storage->ConfigRequest != NULL) {
- FreePool (Storage->ConfigRequest);
- }
-
- FreePool (Storage);
-}
-
-
-/**
- Free resources of a Statement.
-
- @param FormSet Pointer of the FormSet
- @param Statement Pointer of the Statement
-
-**/
-VOID
-DestroyStatement (
- IN FORM_BROWSER_FORMSET *FormSet,
- 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);
-
- if (Default->Value.Buffer != NULL) {
- FreePool (Default->Value.Buffer);
- }
- FreePool (Default);
- }
-
- //
- // Free Options List
- //
- while (!IsListEmpty (&Statement->OptionListHead)) {
- Link = GetFirstNode (&Statement->OptionListHead);
- Option = QUESTION_OPTION_FROM_LINK (Link);
- if (Option->SuppressExpression != NULL) {
- FreePool (Option->SuppressExpression);
- }
- RemoveEntryList (&Option->Link);
-
- 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);
- }
-
- //
- // Free WarningIf List
- //
- while (!IsListEmpty (&Statement->WarningListHead)) {
- Link = GetFirstNode (&Statement->WarningListHead);
- Expression = FORM_EXPRESSION_FROM_LINK (Link);
- RemoveEntryList (&Expression->Link);
-
- DestroyExpression (Expression);
- }
-
- if (Statement->Expression != NULL) {
- FreePool (Statement->Expression);
- }
-
- if (Statement->VariableName != NULL) {
- FreePool (Statement->VariableName);
- }
- if (Statement->BlockName != NULL) {
- FreePool (Statement->BlockName);
- }
- if (Statement->BufferValue != NULL) {
- FreePool (Statement->BufferValue);
- }
- if (Statement->Operand == EFI_IFR_STRING_OP || Statement->Operand == EFI_IFR_PASSWORD_OP) {
- DeleteString(Statement->HiiValue.Value.string, FormSet->HiiHandle);
- }
-}
-
-
-/**
- Free resources of a Form.
-
- @param FormSet Pointer of the FormSet
- @param Form Pointer of the Form.
-
-**/
-VOID
-DestroyForm (
- IN FORM_BROWSER_FORMSET *FormSet,
- IN OUT FORM_BROWSER_FORM *Form
- )
-{
- LIST_ENTRY *Link;
- FORM_EXPRESSION *Expression;
- FORM_BROWSER_STATEMENT *Statement;
- FORM_BROWSER_CONFIG_REQUEST *ConfigInfo;
-
- //
- // 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 (FormSet, Statement);
- }
-
- //
- // Free ConfigRequest string.
- //
- while (!IsListEmpty (&Form->ConfigRequestHead)) {
- Link = GetFirstNode (&Form->ConfigRequestHead);
- ConfigInfo = FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link);
- RemoveEntryList (&ConfigInfo->Link);
-
- FreePool (ConfigInfo->ConfigRequest);
- FreePool (ConfigInfo);
- }
-
- if (Form->SuppressExpression != NULL) {
- FreePool (Form->SuppressExpression);
- }
-
- UiFreeMenuList (&Form->FormViewListHead);
-
- //
- // Free this Form
- //
- 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_EXPRESSION *Expression;
- FORM_BROWSER_FORM *Form;
-
- if (FormSet->IfrBinaryData == NULL) {
- //
- // Uninitialized FormSet
- //
- FreePool (FormSet);
- return;
- }
-
- //
- // Free IFR binary buffer
- //
- FreePool (FormSet->IfrBinaryData);
-
- //
- // Free FormSet Storage
- //
- if (FormSet->StorageListHead.ForwardLink != NULL) {
- while (!IsListEmpty (&FormSet->StorageListHead)) {
- Link = GetFirstNode (&FormSet->StorageListHead);
- Storage = FORMSET_STORAGE_FROM_LINK (Link);
- RemoveEntryList (&Storage->Link);
-
- DestroyStorage (Storage);
- }
- }
-
- //
- // Free FormSet Default Store
- //
- if (FormSet->DefaultStoreListHead.ForwardLink != NULL) {
- while (!IsListEmpty (&FormSet->DefaultStoreListHead)) {
- Link = GetFirstNode (&FormSet->DefaultStoreListHead);
- DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link);
- RemoveEntryList (&DefaultStore->Link);
-
- FreePool (DefaultStore);
- }
- }
-
- //
- // Free Formset Expressions
- //
- while (!IsListEmpty (&FormSet->ExpressionListHead)) {
- Link = GetFirstNode (&FormSet->ExpressionListHead);
- Expression = FORM_EXPRESSION_FROM_LINK (Link);
- RemoveEntryList (&Expression->Link);
-
- DestroyExpression (Expression);
- }
-
- //
- // 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 (FormSet, Form);
- }
- }
-
- if (FormSet->StatementBuffer != NULL) {
- FreePool (FormSet->StatementBuffer);
- }
- if (FormSet->ExpressionBuffer != NULL) {
- FreePool (FormSet->ExpressionBuffer);
- }
-
- FreePool (FormSet);
-}
-
-
-/**
- Tell whether this Operand is an Expression OpCode or not
-
- @param Operand Operand of an IFR OpCode.
-
- @retval TRUE This is an Expression OpCode.
- @retval FALSE Not an Expression OpCode.
-
-**/
-BOOLEAN
-IsExpressionOpCode (
- IN UINT8 Operand
- )
-{
- if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||
- ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SET_OP)) ||
- ((Operand >= EFI_IFR_EQUAL_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_MAP_OP) ||
- (Operand == EFI_IFR_VERSION_OP) ||
- (Operand == EFI_IFR_SECURITY_OP) ||
- (Operand == EFI_IFR_MATCH2_OP)) {
- return TRUE;
- } else {
- return FALSE;
- }
-}
-
-/**
- Tell whether this Operand is an Statement OpCode.
-
- @param Operand Operand of an IFR OpCode.
-
- @retval TRUE This is an Statement OpCode.
- @retval FALSE Not an Statement OpCode.
-
-**/
-BOOLEAN
-IsStatementOpCode (
- IN UINT8 Operand
- )
-{
- if ((Operand == EFI_IFR_SUBTITLE_OP) ||
- (Operand == EFI_IFR_TEXT_OP) ||
- (Operand == EFI_IFR_RESET_BUTTON_OP) ||
- (Operand == EFI_IFR_REF_OP) ||
- (Operand == EFI_IFR_ACTION_OP) ||
- (Operand == EFI_IFR_NUMERIC_OP) ||
- (Operand == EFI_IFR_ORDERED_LIST_OP) ||
- (Operand == EFI_IFR_CHECKBOX_OP) ||
- (Operand == EFI_IFR_STRING_OP) ||
- (Operand == EFI_IFR_PASSWORD_OP) ||
- (Operand == EFI_IFR_DATE_OP) ||
- (Operand == EFI_IFR_TIME_OP) ||
- (Operand == EFI_IFR_GUID_OP) ||
- (Operand == EFI_IFR_ONE_OF_OP)) {
- return TRUE;
- } else {
- return FALSE;
- }
-}
-
-/**
- Tell whether this Operand is an known OpCode.
-
- @param Operand Operand of an IFR OpCode.
-
- @retval TRUE This is an Statement OpCode.
- @retval FALSE Not an Statement OpCode.
-
-**/
-BOOLEAN
-IsUnKnownOpCode (
- IN UINT8 Operand
- )
-{
- return Operand > EFI_IFR_MATCH2_OP ? TRUE : 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;
- FORM_BROWSER_FORM *CurrentForm;
- FORM_BROWSER_STATEMENT *CurrentStatement;
- FORM_BROWSER_STATEMENT *ParentStatement;
- 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;
- UINT8 Width;
- UINT16 NumberOfStatement;
- UINT16 NumberOfExpression;
- EFI_IMAGE_ID *ImageId;
- BOOLEAN SuppressForQuestion;
- BOOLEAN SuppressForOption;
- UINT16 DepthOfDisable;
- BOOLEAN OpCodeDisabled;
- BOOLEAN SingleOpCodeExpression;
- BOOLEAN InScopeDefault;
- EFI_HII_VALUE *Value;
- EFI_IFR_FORM_MAP_METHOD *MapMethod;
- UINT8 MapScopeDepth;
- LIST_ENTRY *Link;
- FORMSET_STORAGE *VarStorage;
- LIST_ENTRY *MapExpressionList;
- EFI_VARSTORE_ID TempVarstoreId;
- BOOLEAN InScopeDisable;
- INTN ConditionalExprCount;
- BOOLEAN InUnknownScope;
- UINT8 UnknownDepth;
-
- SuppressForQuestion = FALSE;
- SuppressForOption = FALSE;
- InScopeDisable = FALSE;
- DepthOfDisable = 0;
- OpCodeDisabled = FALSE;
- SingleOpCodeExpression = FALSE;
- InScopeDefault = FALSE;
- CurrentExpression = NULL;
- CurrentDefault = NULL;
- CurrentOption = NULL;
- ImageId = NULL;
- MapMethod = NULL;
- MapScopeDepth = 0;
- Link = NULL;
- VarStorage = NULL;
- MapExpressionList = NULL;
- TempVarstoreId = 0;
- ConditionalExprCount = 0;
- InUnknownScope = FALSE;
- UnknownDepth = 0;
-
- //
- // Get the number of Statements and Expressions
- //
- CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);
-
- mStatementIndex = 0;
- mUsedQuestionId = 1;
- 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->StatementListOSF);
- InitializeListHead (&FormSet->StorageListHead);
- InitializeListHead (&FormSet->SaveFailStorageListHead);
- InitializeListHead (&FormSet->DefaultStoreListHead);
- InitializeListHead (&FormSet->FormListHead);
- InitializeListHead (&FormSet->ExpressionListHead);
- ResetCurrentExpressionStack ();
- ResetMapExpressionListStack ();
-
- CurrentForm = NULL;
- CurrentStatement = NULL;
- ParentStatement = 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 (InUnknownScope) {
- if (Operand == EFI_IFR_END_OP) {
- UnknownDepth --;
-
- if (UnknownDepth == 0) {
- InUnknownScope = FALSE;
- }
- } else {
- if (Scope != 0) {
- UnknownDepth ++;
- }
- }
-
- continue;
- }
-
- if (IsUnKnownOpCode(Operand)) {
- if (Scope != 0) {
- InUnknownScope = TRUE;
- UnknownDepth ++;
- }
-
- continue;
- }
-
- //
- // 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_VAL_LIST_OP:
- CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
- CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_VAL_LIST *) OpCodeData)->ListLength, sizeof (UINT16));
- ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_VAL_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:
- ASSERT (ParentStatement != NULL);
- ExpressionOpCode->QuestionId = ParentStatement->QuestionId;
- break;
-
- case EFI_IFR_SECURITY_OP:
- CopyMem (&ExpressionOpCode->Guid, &((EFI_IFR_SECURITY *) OpCodeData)->Permissions, sizeof (EFI_GUID));
- break;
-
- case EFI_IFR_MATCH2_OP:
- CopyMem (&ExpressionOpCode->Guid, &((EFI_IFR_MATCH2 *) OpCodeData)->SyntaxType, sizeof (EFI_GUID));
- break;
-
- case EFI_IFR_GET_OP:
- case EFI_IFR_SET_OP:
- CopyMem (&TempVarstoreId, &((EFI_IFR_GET *) OpCodeData)->VarStoreId, sizeof (TempVarstoreId));
- if (TempVarstoreId != 0) {
- if (FormSet->StorageListHead.ForwardLink != NULL) {
- Link = GetFirstNode (&FormSet->StorageListHead);
- while (!IsNull (&FormSet->StorageListHead, Link)) {
- VarStorage = FORMSET_STORAGE_FROM_LINK (Link);
- if (VarStorage->VarStoreId == ((EFI_IFR_GET *) OpCodeData)->VarStoreId) {
- ExpressionOpCode->VarStorage = VarStorage->BrowserStorage;
- break;
- }
- Link = GetNextNode (&FormSet->StorageListHead, Link);
- }
- }
- if (ExpressionOpCode->VarStorage == NULL) {
- //
- // VarStorage is not found.
- //
- return EFI_INVALID_PARAMETER;
- }
- }
- ExpressionOpCode->ValueType = ((EFI_IFR_GET *) OpCodeData)->VarStoreType;
- switch (ExpressionOpCode->ValueType) {
- case EFI_IFR_TYPE_BOOLEAN:
- case EFI_IFR_TYPE_NUM_SIZE_8:
- ExpressionOpCode->ValueWidth = 1;
- break;
-
- case EFI_IFR_TYPE_NUM_SIZE_16:
- case EFI_IFR_TYPE_STRING:
- ExpressionOpCode->ValueWidth = 2;
- break;
-
- case EFI_IFR_TYPE_NUM_SIZE_32:
- ExpressionOpCode->ValueWidth = 4;
- break;
-
- case EFI_IFR_TYPE_NUM_SIZE_64:
- ExpressionOpCode->ValueWidth = 8;
- break;
-
- case EFI_IFR_TYPE_DATE:
- ExpressionOpCode->ValueWidth = (UINT8) sizeof (EFI_IFR_DATE);
- break;
-
- case EFI_IFR_TYPE_TIME:
- ExpressionOpCode->ValueWidth = (UINT8) sizeof (EFI_IFR_TIME);
- break;
-
- case EFI_IFR_TYPE_REF:
- ExpressionOpCode->ValueWidth = (UINT8) sizeof (EFI_IFR_REF);
- break;
-
- case EFI_IFR_TYPE_OTHER:
- case EFI_IFR_TYPE_UNDEFINED:
- case EFI_IFR_TYPE_ACTION:
- case EFI_IFR_TYPE_BUFFER:
- default:
- //
- // Invalid value type for Get/Set opcode.
- //
- return EFI_INVALID_PARAMETER;
- }
- CopyMem (&ExpressionOpCode->VarStoreInfo.VarName, &((EFI_IFR_GET *) OpCodeData)->VarStoreInfo.VarName, sizeof (EFI_STRING_ID));
- CopyMem (&ExpressionOpCode->VarStoreInfo.VarOffset, &((EFI_IFR_GET *) OpCodeData)->VarStoreInfo.VarOffset, sizeof (UINT16));
- if ((ExpressionOpCode->VarStorage != NULL) &&
- (ExpressionOpCode->VarStorage->Type == EFI_HII_VARSTORE_NAME_VALUE ||
- ExpressionOpCode->VarStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {
- ExpressionOpCode->ValueName = GetToken (ExpressionOpCode->VarStoreInfo.VarName, FormSet->HiiHandle);
- if (ExpressionOpCode->ValueName == NULL) {
- //
- // String ID is invalid.
- //
- return EFI_INVALID_PARAMETER;
- }
- }
- break;
-
- case EFI_IFR_QUESTION_REF1_OP:
- CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL_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_UNDEFINED;
- break;
-
- case EFI_IFR_VERSION_OP:
- Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
- Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION;
- break;
-
- default:
- break;
- }
- //
- // Create sub expression nested in MAP opcode
- //
- if (CurrentExpression == NULL && MapScopeDepth > 0) {
- CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
- ASSERT (MapExpressionList != NULL);
- InsertTailList (MapExpressionList, &CurrentExpression->Link);
- if (Scope == 0) {
- SingleOpCodeExpression = TRUE;
- }
- }
- ASSERT (CurrentExpression != NULL);
- InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);
- if (Operand == EFI_IFR_MAP_OP) {
- //
- // Store current Map Expression List.
- //
- if (MapExpressionList != NULL) {
- PushMapExpressionList (MapExpressionList);
- }
- //
- // Initialize new Map Expression List.
- //
- MapExpressionList = &ExpressionOpCode->MapExpressionList;
- InitializeListHead (MapExpressionList);
- //
- // Store current expression.
- //
- PushCurrentExpression (CurrentExpression);
- CurrentExpression = NULL;
- MapScopeDepth ++;
- } else 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 && CurrentForm == NULL) {
- //
- // This is DisableIf expression for Form, it should be a constant expression
- //
- Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- OpCodeDisabled = IsTrue(&CurrentExpression->Result);
- }
-
- 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));
- FormSet->OpCode = (EFI_IFR_OP_HEADER *) OpCodeData;//save the opcode address of formset
-
- if (OpCodeLength > OFFSET_OF (EFI_IFR_FORM_SET, Flags)) {
- //
- // The formset OpCode contains ClassGuid
- //
- FormSet->NumberOfClassGuid = (UINT8) (((EFI_IFR_FORM_SET *) OpCodeData)->Flags & 0x3);
- CopyMem (FormSet->ClassGuid, OpCodeData + sizeof (EFI_IFR_FORM_SET), FormSet->NumberOfClassGuid * sizeof (EFI_GUID));
- }
- break;
-
- case EFI_IFR_FORM_OP:
- //
- // Create a new Form for this FormSet
- //
- CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));
- ASSERT (CurrentForm != NULL);
- CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;
- InitializeListHead (&CurrentForm->ExpressionListHead);
- InitializeListHead (&CurrentForm->StatementListHead);
- InitializeListHead (&CurrentForm->ConfigRequestHead);
- InitializeListHead (&CurrentForm->FormViewListHead);
-
- CurrentForm->FormType = STANDARD_MAP_FORM_TYPE;
- CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));
- CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));
-
- ConditionalExprCount = GetConditionalExpressionCount(ExpressForm);
- if ( ConditionalExprCount > 0) {
- //
- // Form is inside of suppressif
- //
- CurrentForm->SuppressExpression = (FORM_EXPRESSION_LIST *) AllocatePool(
- (UINTN) (sizeof(FORM_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof(FORM_EXPRESSION *))));
- ASSERT (CurrentForm->SuppressExpression != NULL);
- CurrentForm->SuppressExpression->Count = (UINTN) ConditionalExprCount;
- CurrentForm->SuppressExpression->Signature = FORM_EXPRESSION_LIST_SIGNATURE;
- CopyMem (CurrentForm->SuppressExpression->Expression, GetConditionalExpressionList(ExpressForm), (UINTN) (sizeof (FORM_EXPRESSION *) * ConditionalExprCount));
- }
-
- if (Scope != 0) {
- //
- // Enter scope of a Form, suppressif will be used for Question or Option
- //
- SuppressForQuestion = TRUE;
- }
-
- //
- // Insert into Form list of this FormSet
- //
- InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);
- break;
-
- case EFI_IFR_FORM_MAP_OP:
- //
- // Create a new Form for this FormSet
- //
- CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));
- ASSERT (CurrentForm != NULL);
- CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;
- InitializeListHead (&CurrentForm->ExpressionListHead);
- InitializeListHead (&CurrentForm->StatementListHead);
- InitializeListHead (&CurrentForm->ConfigRequestHead);
- InitializeListHead (&CurrentForm->FormViewListHead);
-
- CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));
-
- MapMethod = (EFI_IFR_FORM_MAP_METHOD *) (OpCodeData + sizeof (EFI_IFR_FORM_MAP));
- //
- // FormMap Form must contain at least one Map Method.
- //
- if (((EFI_IFR_OP_HEADER *) OpCodeData)->Length < ((UINTN) (UINT8 *) (MapMethod + 1) - (UINTN) OpCodeData)) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Try to find the standard form map method.
- //
- while (((UINTN) (UINT8 *) MapMethod - (UINTN) OpCodeData) < ((EFI_IFR_OP_HEADER *) OpCodeData)->Length) {
- if (CompareGuid ((EFI_GUID *) (VOID *) &MapMethod->MethodIdentifier, &gEfiHiiStandardFormGuid)) {
- CopyMem (&CurrentForm->FormTitle, &MapMethod->MethodTitle, sizeof (EFI_STRING_ID));
- CurrentForm->FormType = STANDARD_MAP_FORM_TYPE;
- break;
- }
- MapMethod ++;
- }
- //
- // If the standard form map method is not found, the first map method title will be used.
- //
- if (CurrentForm->FormTitle == 0) {
- MapMethod = (EFI_IFR_FORM_MAP_METHOD *) (OpCodeData + sizeof (EFI_IFR_FORM_MAP));
- CopyMem (&CurrentForm->FormTitle, &MapMethod->MethodTitle, sizeof (EFI_STRING_ID));
- }
-
- ConditionalExprCount = GetConditionalExpressionCount(ExpressForm);
- if ( ConditionalExprCount > 0) {
- //
- // Form is inside of suppressif
- //
- CurrentForm->SuppressExpression = (FORM_EXPRESSION_LIST *) AllocatePool(
- (UINTN) (sizeof(FORM_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof(FORM_EXPRESSION *))));
- ASSERT (CurrentForm->SuppressExpression != NULL);
- CurrentForm->SuppressExpression->Count = (UINTN) ConditionalExprCount;
- CurrentForm->SuppressExpression->Signature = FORM_EXPRESSION_LIST_SIGNATURE;
- CopyMem (CurrentForm->SuppressExpression->Expression, GetConditionalExpressionList(ExpressForm), (UINTN) (sizeof (FORM_EXPRESSION *) * ConditionalExprCount));
- }
-
- if (Scope != 0) {
- //
- // Enter scope of a Form, suppressif will be used for Question or Option
- //
- SuppressForQuestion = TRUE;
- }
-
- //
- // 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, EFI_HII_VARSTORE_BUFFER, OpCodeData);
- CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
- break;
-
- case EFI_IFR_VARSTORE_NAME_VALUE_OP:
- //
- // Create a name/value Storage for this FormSet
- //
- Storage = CreateStorage (FormSet, EFI_HII_VARSTORE_NAME_VALUE, OpCodeData);
- CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
- break;
-
- case EFI_IFR_VARSTORE_EFI_OP:
- //
- // Create a EFI variable Storage for this FormSet
- //
- if (OpCodeLength < sizeof (EFI_IFR_VARSTORE_EFI)) {
- //
- // Create efi varstore with format follow UEFI spec before 2.3.1.
- //
- Storage = CreateStorage (FormSet, EFI_HII_VARSTORE_EFI_VARIABLE, OpCodeData);
- } else {
- //
- // Create efi varstore with format follow UEFI spec 2.3.1 and later.
- //
- Storage = CreateStorage (FormSet, EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER, OpCodeData);
- }
- CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
- break;
-
- //
- // DefaultStore
- //
- case EFI_IFR_DEFAULTSTORE_OP:
- DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE));
- ASSERT (DefaultStore != NULL);
- 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);
- ASSERT (CurrentStatement != NULL);
-
- CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;
- CurrentStatement->FakeQuestionId = mUsedQuestionId++;
- break;
-
- case EFI_IFR_TEXT_OP:
- CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
- ASSERT (CurrentStatement != NULL);
- CurrentStatement->FakeQuestionId = mUsedQuestionId++;
- CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));
- break;
-
- case EFI_IFR_RESET_BUTTON_OP:
- CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
- ASSERT (CurrentStatement != NULL);
- CurrentStatement->FakeQuestionId = mUsedQuestionId++;
- CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));
- break;
-
- //
- // Questions
- //
- case EFI_IFR_ACTION_OP:
- CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
- ASSERT (CurrentStatement != NULL);
- CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_ACTION;
-
- 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_REF_OP:
- CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
- ASSERT (CurrentStatement != NULL);
- Value = &CurrentStatement->HiiValue;
- Value->Type = EFI_IFR_TYPE_REF;
- if (OpCodeLength >= sizeof (EFI_IFR_REF)) {
- CopyMem (&Value->Value.ref.FormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID));
-
- if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {
- CopyMem (&Value->Value.ref.QuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-
- if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {
- CopyMem (&Value->Value.ref.FormSetGuid, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID));
-
- if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {
- CopyMem (&Value->Value.ref.DevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));
- }
- }
- }
- }
- CurrentStatement->StorageWidth = (UINT16) sizeof (EFI_HII_REF);
- InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
- break;
-
- case EFI_IFR_ONE_OF_OP:
- case EFI_IFR_NUMERIC_OP:
- CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
- ASSERT(CurrentStatement != NULL);
-
- 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 = (UINT16) 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 = (UINT16) 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 = (UINT16) 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 = (UINT16) sizeof (UINT64);
- Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
- break;
-
- default:
- break;
- }
-
- InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-
- if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) {
- SuppressForOption = TRUE;
- }
- break;
-
- case EFI_IFR_ORDERED_LIST_OP:
- CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
- ASSERT(CurrentStatement != NULL);
-
- CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;
- CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;
-
- CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BUFFER;
- CurrentStatement->BufferValue = NULL;
-
- if (Scope != 0) {
- SuppressForOption = TRUE;
- }
- break;
-
- case EFI_IFR_CHECKBOX_OP:
- CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
- ASSERT(CurrentStatement != NULL);
-
- CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;
- CurrentStatement->StorageWidth = (UINT16) sizeof (BOOLEAN);
- CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;
-
- InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-
- break;
-
- case EFI_IFR_STRING_OP:
- CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
- ASSERT (CurrentStatement != NULL);
- //
- // 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));
- CurrentStatement->HiiValue.Value.string = NewString ((CHAR16*) CurrentStatement->BufferValue, FormSet->HiiHandle);
-
- InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
- break;
-
- case EFI_IFR_PASSWORD_OP:
- CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
- ASSERT (CurrentStatement != NULL);
- //
- // 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)));
- CurrentStatement->HiiValue.Value.string = NewString ((CHAR16*) CurrentStatement->BufferValue, FormSet->HiiHandle);
-
- InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
- break;
-
- case EFI_IFR_DATE_OP:
- CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
- ASSERT(CurrentStatement != NULL);
-
- 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 = (UINT16) sizeof (EFI_HII_DATE);
-
- InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
- } 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);
- ASSERT(CurrentStatement != NULL);
-
- 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 = (UINT16) sizeof (EFI_HII_TIME);
-
- InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
- } 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));
- ASSERT (CurrentDefault != NULL);
- CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;
-
- CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type;
- CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16));
- if (CurrentDefault->Value.Type == EFI_IFR_TYPE_BUFFER) {
- CurrentDefault->Value.BufferLen = (UINT16) (OpCodeLength - OFFSET_OF (EFI_IFR_DEFAULT, Value));
- CurrentDefault->Value.Buffer = AllocateCopyPool (CurrentDefault->Value.BufferLen, &((EFI_IFR_DEFAULT *) OpCodeData)->Value);
- ASSERT (CurrentDefault->Value.Buffer != NULL);
- } else {
- CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, OpCodeLength - OFFSET_OF (EFI_IFR_DEFAULT, Value));
- ExtendValueToU64 (&CurrentDefault->Value);
- }
-
- //
- // Insert to Default Value list of current Question
- //
- InsertTailList (&ParentStatement->DefaultListHead, &CurrentDefault->Link);
-
- if (Scope != 0) {
- InScopeDefault = TRUE;
- }
- break;
-
- //
- // Option
- //
- case EFI_IFR_ONE_OF_OPTION_OP:
- ASSERT (ParentStatement != NULL);
- if (ParentStatement->Operand == EFI_IFR_ORDERED_LIST_OP && ((((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags & (EFI_IFR_OPTION_DEFAULT | EFI_IFR_OPTION_DEFAULT_MFG)) != 0)) {
- //
- // It's keep the default value for ordered list opcode.
- //
- CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));
- ASSERT (CurrentDefault != NULL);
- CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;
-
- CurrentDefault->Value.Type = EFI_IFR_TYPE_BUFFER;
- if ((((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags & EFI_IFR_OPTION_DEFAULT) != 0) {
- CurrentDefault->DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;
- } else {
- CurrentDefault->DefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING;
- }
-
- CurrentDefault->Value.BufferLen = (UINT16) (OpCodeLength - OFFSET_OF (EFI_IFR_ONE_OF_OPTION, Value));
- CurrentDefault->Value.Buffer = AllocateCopyPool (CurrentDefault->Value.BufferLen, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value);
- ASSERT (CurrentDefault->Value.Buffer != NULL);
-
- //
- // Insert to Default Value list of current Question
- //
- InsertTailList (&ParentStatement->DefaultListHead, &CurrentDefault->Link);
- break;
- }
-
- //
- // 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));
- ASSERT (CurrentOption != NULL);
- CurrentOption->Signature = QUESTION_OPTION_SIGNATURE;
- CurrentOption->OpCode = (EFI_IFR_ONE_OF_OPTION *) OpCodeData;
-
- 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, OpCodeLength - OFFSET_OF (EFI_IFR_ONE_OF_OPTION, Value));
- ExtendValueToU64 (&CurrentOption->Value);
-
- ConditionalExprCount = GetConditionalExpressionCount(ExpressOption);
- if ( ConditionalExprCount > 0) {
- //
- // Form is inside of suppressif
- //
- CurrentOption->SuppressExpression = (FORM_EXPRESSION_LIST *) AllocatePool(
- (UINTN) (sizeof(FORM_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof(FORM_EXPRESSION *))));
- ASSERT (CurrentOption->SuppressExpression != NULL);
- CurrentOption->SuppressExpression->Count = (UINTN) ConditionalExprCount;
- CurrentOption->SuppressExpression->Signature = FORM_EXPRESSION_LIST_SIGNATURE;
- CopyMem (CurrentOption->SuppressExpression->Expression, GetConditionalExpressionList(ExpressOption), (UINTN) (sizeof (FORM_EXPRESSION *) * ConditionalExprCount));
- }
-
- //
- // Insert to Option list of current Question
- //
- InsertTailList (&ParentStatement->OptionListHead, &CurrentOption->Link);
- //
- // Now we know the Storage width of nested Ordered List
- //
- if ((ParentStatement->Operand == EFI_IFR_ORDERED_LIST_OP) && (ParentStatement->BufferValue == NULL)) {
- Width = 1;
- switch (CurrentOption->Value.Type) {
- case EFI_IFR_TYPE_NUM_SIZE_8:
- Width = 1;
- break;
-
- case EFI_IFR_TYPE_NUM_SIZE_16:
- Width = 2;
- break;
-
- case EFI_IFR_TYPE_NUM_SIZE_32:
- Width = 4;
- break;
-
- case EFI_IFR_TYPE_NUM_SIZE_64:
- Width = 8;
- break;
-
- default:
- //
- // Invalid type for Ordered List
- //
- break;
- }
-
- ParentStatement->StorageWidth = (UINT16) (ParentStatement->MaxContainers * Width);
- ParentStatement->BufferValue = AllocateZeroPool (ParentStatement->StorageWidth);
- ParentStatement->ValueType = CurrentOption->Value.Type;
- if (ParentStatement->HiiValue.Type == EFI_IFR_TYPE_BUFFER) {
- ParentStatement->HiiValue.Buffer = ParentStatement->BufferValue;
- ParentStatement->HiiValue.BufferLen = ParentStatement->StorageWidth;
- }
-
- InitializeRequestElement (FormSet, ParentStatement, CurrentForm);
- }
- break;
-
- //
- // Conditional
- //
- case EFI_IFR_NO_SUBMIT_IF_OP:
- case EFI_IFR_INCONSISTENT_IF_OP:
- //
- // Create an Expression node
- //
- CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
- 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 (&ParentStatement->NoSubmitListHead, &CurrentExpression->Link);
- } else {
- CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF;
- InsertTailList (&ParentStatement->InconsistentListHead, &CurrentExpression->Link);
- }
-
- //
- // 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;
-
- case EFI_IFR_WARNING_IF_OP:
- //
- // Create an Expression node
- //
- CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
- CopyMem (&CurrentExpression->Error, &((EFI_IFR_WARNING_IF *) OpCodeData)->Warning, sizeof (EFI_STRING_ID));
- CurrentExpression->TimeOut = ((EFI_IFR_WARNING_IF *) OpCodeData)->TimeOut;
- CurrentExpression->Type = EFI_HII_EXPRESSION_WARNING_IF;
- InsertTailList (&ParentStatement->WarningListHead, &CurrentExpression->Link);
-
- //
- // 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;
-
- case EFI_IFR_SUPPRESS_IF_OP:
- //
- // Question and Option will appear in scope of this OpCode
- //
- CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
- CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF;
-
- if (CurrentForm == NULL) {
- InsertTailList (&FormSet->ExpressionListHead, &CurrentExpression->Link);
- } else {
- InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
- }
-
- if (SuppressForOption) {
- PushConditionalExpression(CurrentExpression, ExpressOption);
- } else if (SuppressForQuestion) {
- PushConditionalExpression(CurrentExpression, ExpressStatement);
- } else {
- PushConditionalExpression(CurrentExpression, ExpressForm);
- }
-
- //
- // 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;
-
- case EFI_IFR_GRAY_OUT_IF_OP:
- //
- // Questions will appear in scope of this OpCode
- //
- CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
- CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF;
- InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
- PushConditionalExpression(CurrentExpression, ExpressStatement);
-
- //
- // 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;
-
- 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));
- ASSERT (CurrentExpression != NULL);
- CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE;
- CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF;
- InitializeListHead (&CurrentExpression->OpCodeListHead);
-
- if (CurrentForm != NULL) {
- //
- // This is DisableIf for Question, enqueue it to Form expression list
- //
- InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
- PushConditionalExpression(CurrentExpression, ExpressStatement);
- }
-
- OpCodeDisabled = FALSE;
- InScopeDisable = TRUE;
- //
- // 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, OpCodeData);
- 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
- //
- //
- // Make sure CurrentStatement is not NULL.
- // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
- // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
- //
- ASSERT (ParentStatement != NULL);
- ParentStatement->ValueExpression = CurrentExpression;
- }
-
- //
- // 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;
-
- case EFI_IFR_RULE_OP:
- CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
- CurrentExpression->Type = EFI_HII_EXPRESSION_RULE;
-
- CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId;
- InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
- //
- // 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;
-
- case EFI_IFR_READ_OP:
- CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
- CurrentExpression->Type = EFI_HII_EXPRESSION_READ;
- InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
- //
- // Make sure CurrentStatement is not NULL.
- // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
- // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
- //
- ASSERT (ParentStatement != NULL);
- ParentStatement->ReadExpression = CurrentExpression;
-
- //
- // 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;
-
- case EFI_IFR_WRITE_OP:
- CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
- CurrentExpression->Type = EFI_HII_EXPRESSION_WRITE;
- InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
- //
- // Make sure CurrentStatement is not NULL.
- // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
- // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
- //
- ASSERT (ParentStatement != NULL);
- ParentStatement->WriteExpression = CurrentExpression;
-
- //
- // 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;
-
- //
- // 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:
- case EFI_IFR_FORM_MAP_OP:
- ASSERT (CurrentForm != NULL);
- ImageId = &CurrentForm->ImageId;
- break;
-
- case EFI_IFR_ONE_OF_OPTION_OP:
- ASSERT (CurrentOption != NULL);
- ImageId = &CurrentOption->ImageId;
- break;
-
- default:
- //
- // Make sure CurrentStatement is not NULL.
- // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
- // file is wrongly generated by tools such as VFR Compiler.
- //
- ASSERT (ParentStatement != NULL);
- ImageId = &ParentStatement->ImageId;
- break;
- }
-
- ASSERT (ImageId != NULL);
- CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID));
- break;
-
- //
- // Refresh
- //
- case EFI_IFR_REFRESH_OP:
- ASSERT (ParentStatement != NULL);
- ParentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval;
- break;
-
- //
- // Refresh guid.
- //
- case EFI_IFR_REFRESH_ID_OP:
- //
- // Get ScopeOpcode from top of stack
- //
- PopScope (&ScopeOpCode);
- PushScope (ScopeOpCode);
-
- switch (ScopeOpCode) {
- case EFI_IFR_FORM_OP:
- case EFI_IFR_FORM_MAP_OP:
- ASSERT (CurrentForm != NULL);
- CopyMem (&CurrentForm->RefreshGuid, &((EFI_IFR_REFRESH_ID *) OpCodeData)->RefreshEventGroupId, sizeof (EFI_GUID));
- break;
-
- default:
- ASSERT (ParentStatement != NULL);
- CopyMem (&ParentStatement->RefreshGuid, &((EFI_IFR_REFRESH_ID *) OpCodeData)->RefreshEventGroupId, sizeof (EFI_GUID));
- break;
- }
- break;
-
- //
- // Modal tag
- //
- case EFI_IFR_MODAL_TAG_OP:
- ASSERT (CurrentForm != NULL);
- CurrentForm->ModalForm = TRUE;
- break;
-
- //
- // Lock tag, used by form and statement.
- //
- case EFI_IFR_LOCKED_OP:
- //
- // Get ScopeOpcode from top of stack
- //
- PopScope (&ScopeOpCode);
- PushScope (ScopeOpCode);
- switch (ScopeOpCode) {
- case EFI_IFR_FORM_OP:
- case EFI_IFR_FORM_MAP_OP:
- ASSERT (CurrentForm != NULL);
- CurrentForm->Locked = TRUE;
- break;
-
- default:
- ASSERT (ParentStatement != NULL);
- ParentStatement->Locked = TRUE;
- }
- break;
-
- //
- // Vendor specific
- //
- case EFI_IFR_GUID_OP:
- CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
- break;
-
- //
- // Scope End
- //
- case EFI_IFR_END_OP:
- Status = PopScope (&ScopeOpCode);
- if (EFI_ERROR (Status)) {
- ResetScopeStack ();
- return Status;
- }
-
- //
- // Parent statement end tag found, update ParentStatement info.
- //
- if (IsStatementOpCode(ScopeOpCode) && (ParentStatement != NULL) && (ParentStatement->Operand == ScopeOpCode)) {
- ParentStatement = ParentStatement->ParentStatement;
- }
-
- 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:
- case EFI_IFR_FORM_MAP_OP:
- //
- // End of Form
- //
- CurrentForm = NULL;
- SuppressForQuestion = FALSE;
- break;
-
- case EFI_IFR_ONE_OF_OPTION_OP:
- //
- // End of Option
- //
- CurrentOption = NULL;
- break;
-
- case EFI_IFR_NO_SUBMIT_IF_OP:
- case EFI_IFR_INCONSISTENT_IF_OP:
- case EFI_IFR_WARNING_IF_OP:
- //
- // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF
- //
- break;
-
- case EFI_IFR_SUPPRESS_IF_OP:
- if (SuppressForOption) {
- PopConditionalExpression(ExpressOption);
- } else if (SuppressForQuestion) {
- PopConditionalExpression(ExpressStatement);
- } else {
- PopConditionalExpression(ExpressForm);
- }
- break;
-
- case EFI_IFR_GRAY_OUT_IF_OP:
- PopConditionalExpression(ExpressStatement);
- break;
-
- case EFI_IFR_DISABLE_IF_OP:
- if (CurrentForm != NULL) {
- PopConditionalExpression(ExpressStatement);
- }
- 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;
-
- case EFI_IFR_MAP_OP:
- //
- // Get current Map Expression List.
- //
- Status = PopMapExpressionList ((VOID **) &MapExpressionList);
- if (Status == EFI_ACCESS_DENIED) {
- MapExpressionList = NULL;
- }
- //
- // Get current expression.
- //
- Status = PopCurrentExpression ((VOID **) &CurrentExpression);
- ASSERT_EFI_ERROR (Status);
- ASSERT (MapScopeDepth > 0);
- MapScopeDepth --;
- break;
-
- default:
- if (IsExpressionOpCode (ScopeOpCode)) {
- if (InScopeDisable && CurrentForm == NULL) {
- //
- // This is DisableIf expression for Form, it should be a constant expression
- //
- ASSERT (CurrentExpression != NULL);
- Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- OpCodeDisabled = IsTrue (&CurrentExpression->Result);
-
- //
- // DisableIf Expression is only used once and not queued, free it
- //
- DestroyExpression (CurrentExpression);
- }
-
- //
- // End of current Expression
- //
- CurrentExpression = NULL;
- }
- break;
- }
- break;
-
- default:
- break;
- }
-
- if (IsStatementOpCode(Operand)) {
- CurrentStatement->ParentStatement = ParentStatement;
- if (Scope != 0) {
- //
- // Scope != 0, other statements or options may nest in this statement.
- // Update the ParentStatement info.
- //
- ParentStatement = CurrentStatement;
- }
- }
- }
-
- return EFI_SUCCESS;
-}
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