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CloverBootloader/RedfishPkg/Library/HiiUtilityLib/HiiIfrParse.c

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/** @file
The implementation of HII IFR parser.
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
(C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "HiiInternal.h"
/**
Initialize Statement header members.
@param[in] OpCodeData Pointer of the raw OpCode data.
@param[in,out] FormSet Pointer of the current FormSet.
@param[in,out] Form Pointer of the current Form.
@return The Statement.
**/
HII_STATEMENT *
CreateStatement (
IN UINT8 *OpCodeData,
IN OUT HII_FORMSET *FormSet,
IN OUT HII_FORM *Form
)
{
HII_STATEMENT *Statement;
EFI_IFR_STATEMENT_HEADER *StatementHdr;
INTN ConditionalExprCount;
if (Form == NULL) {
//
// Only guid op may out side the form level.
//
if (((EFI_IFR_OP_HEADER *)OpCodeData)->OpCode != EFI_IFR_GUID_OP) {
return NULL;
}
}
Statement = (HII_STATEMENT *)AllocateZeroPool (sizeof (HII_STATEMENT));
if (Statement == NULL) {
return NULL;
}
InitializeListHead (&Statement->DefaultListHead);
InitializeListHead (&Statement->OptionListHead);
InitializeListHead (&Statement->InconsistentListHead);
InitializeListHead (&Statement->NoSubmitListHead);
InitializeListHead (&Statement->WarningListHead);
Statement->Signature = HII_STATEMENT_SIGNATURE;
Statement->Operand = ((EFI_IFR_OP_HEADER *)OpCodeData)->OpCode;
Statement->OpCode = (EFI_IFR_OP_HEADER *)OpCodeData;
Statement->QuestionReferToBitField = FALSE;
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->ExpressionList = (HII_EXPRESSION_LIST *)AllocatePool (
(UINTN)(sizeof (HII_EXPRESSION_LIST) + ((ConditionalExprCount - 1) * sizeof (HII_EXPRESSION *)))
);
if (Statement->ExpressionList == NULL) {
return NULL;
}
Statement->ExpressionList->Count = (UINTN)ConditionalExprCount;
Statement->ExpressionList->Signature = HII_EXPRESSION_LIST_SIGNATURE;
CopyMem (
Statement->ExpressionList->Expression,
GetConditionalExpressionList (ExpressStatement),
(UINTN)(sizeof (HII_EXPRESSION *) * ConditionalExprCount)
);
}
//
// Insert this Statement into current Form
//
if (Form == NULL) {
InsertTailList (&FormSet->StatementListOSF, &Statement->Link);
} else {
InsertTailList (&Form->StatementListHead, &Statement->Link);
}
return Statement;
}
/**
Initialize Question's members.
@param[in] OpCodeData Pointer of the raw OpCode data.
@param[in,out] FormSet Pointer of the current FormSet.
@param[in,out] Form Pointer of the current Form.
@return The Question.
**/
HII_STATEMENT *
CreateQuestion (
IN UINT8 *OpCodeData,
IN OUT HII_FORMSET *FormSet,
IN OUT HII_FORM *Form
)
{
HII_STATEMENT *Statement;
EFI_IFR_QUESTION_HEADER *QuestionHdr;
LIST_ENTRY *Link;
HII_FORMSET_STORAGE *Storage;
HII_NAME_VALUE_NODE *NameValueNode;
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;
}
//
// Find Storage for this Question
//
Link = GetFirstNode (&FormSet->StorageListHead);
while (!IsNull (&FormSet->StorageListHead, Link)) {
Storage = HII_STORAGE_FROM_LINK (Link);
if (Statement->VarStoreId == Storage->VarStoreId) {
Statement->Storage = Storage;
break;
}
Link = GetNextNode (&FormSet->StorageListHead, Link);
}
if (Statement->Storage == NULL) {
return NULL;
}
//
// Initialize 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 = GetTokenString (Statement->VarStoreInfo.VarName, FormSet->HiiHandle);
if (Statement->VariableName == NULL) {
return NULL;
}
if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {
//
// Check whether old string node already exist.
//
Find = FALSE;
if (!IsListEmpty (&Statement->Storage->NameValueList)) {
Link = GetFirstNode (&Statement->Storage->NameValueList);
while (!IsNull (&Statement->Storage->NameValueList, Link)) {
NameValueNode = HII_NAME_VALUE_NODE_FROM_LINK (Link);
if (StrCmp (Statement->VariableName, NameValueNode->Name) == 0) {
Find = TRUE;
break;
}
Link = GetNextNode (&Statement->Storage->NameValueList, Link);
}
}
if (!Find) {
//
// Insert to Name/Value varstore list
//
NameValueNode = AllocateZeroPool (sizeof (HII_NAME_VALUE_NODE));
if (NameValueNode == NULL) {
return NULL;
}
NameValueNode->Signature = HII_NAME_VALUE_NODE_SIGNATURE;
NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName);
if (NameValueNode->Name == NULL) {
FreePool (NameValueNode);
return NULL;
}
NameValueNode->Value = AllocateZeroPool (0x10);
if (NameValueNode->Value == NULL) {
FreePool (NameValueNode->Name);
FreePool (NameValueNode);
return NULL;
}
InsertTailList (&Statement->Storage->NameValueList, &NameValueNode->Link);
}
}
}
return Statement;
}
/**
Allocate a HII_EXPRESSION node.
@param[in,out] Form The Form associated with this Expression
@param[in] OpCode The binary opcode data.
@return Pointer to a HII_EXPRESSION data structure.
**/
HII_EXPRESSION *
CreateExpression (
IN OUT HII_FORM *Form,
IN UINT8 *OpCode
)
{
HII_EXPRESSION *Expression;
Expression = AllocateZeroPool (sizeof (HII_EXPRESSION));
if (Expression == NULL) {
return NULL;
}
Expression->Signature = HII_EXPRESSION_SIGNATURE;
InitializeListHead (&Expression->OpCodeListHead);
Expression->OpCode = (EFI_IFR_OP_HEADER *)OpCode;
return Expression;
}
/**
Create ConfigHdr string for a storage.
@param[in] FormSet Pointer of the current FormSet
@param[in,out] Storage Pointer of the storage
@retval EFI_SUCCESS Initialize ConfigHdr success
**/
EFI_STATUS
InitializeConfigHdr (
IN HII_FORMSET *FormSet,
IN OUT HII_FORMSET_STORAGE *Storage
)
{
CHAR16 *Name;
if ((Storage->Type == EFI_HII_VARSTORE_BUFFER) ||
(Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER))
{
Name = Storage->Name;
} else {
Name = NULL;
}
Storage->ConfigHdr = HiiConstructConfigHdr (
&Storage->Guid,
Name,
FormSet->DriverHandle
);
if (Storage->ConfigHdr == NULL) {
return EFI_NOT_FOUND;
}
return EFI_SUCCESS;
}
/**
Convert Ascii string to Unicode.
This is an internal function.
@param[in] AsciiString The Ascii string to be converted.
@param[out] UnicodeString The Unicode string retrieved.
**/
VOID
AsciiToUnicode (
IN CHAR8 *AsciiString,
OUT CHAR16 *UnicodeString
)
{
UINT8 Index;
Index = 0;
while (AsciiString[Index] != 0) {
UnicodeString[Index] = (CHAR16)AsciiString[Index];
Index++;
}
UnicodeString[Index] = L'\0';
}
/**
Allocate a HII_FORMSET_STORAGE data structure and insert to FormSet Storage List.
@param[in] FormSet Pointer of the current FormSet
@param[in] StorageType Storage type.
@param[in] OpCodeData Binary data for this opcode.
@return Pointer to a HII_FORMSET_STORAGE data structure.
**/
HII_FORMSET_STORAGE *
CreateStorage (
IN HII_FORMSET *FormSet,
IN UINT8 StorageType,
IN UINT8 *OpCodeData
)
{
HII_FORMSET_STORAGE *Storage;
CHAR8 *AsciiStorageName;
AsciiStorageName = NULL;
Storage = AllocateZeroPool (sizeof (HII_FORMSET_STORAGE));
if (Storage == NULL) {
return NULL;
}
Storage->Signature = HII_STORAGE_SIGNATURE;
Storage->Type = StorageType;
switch (StorageType) {
case EFI_HII_VARSTORE_BUFFER:
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);
if (Storage->Buffer == NULL) {
FreePool (Storage);
return NULL;
}
AsciiStorageName = (CHAR8 *)((EFI_IFR_VARSTORE *)OpCodeData)->Name;
Storage->Name = AllocatePool (sizeof (CHAR16) * (AsciiStrLen (AsciiStorageName) + 1));
if (Storage->Name == NULL) {
FreePool (Storage);
return NULL;
}
AsciiToUnicode (AsciiStorageName, Storage->Name);
break;
case EFI_HII_VARSTORE_EFI_VARIABLE:
case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:
CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *)OpCodeData)->Guid, sizeof (EFI_GUID));
CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *)OpCodeData)->Attributes, sizeof (UINT32));
CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE_EFI *)OpCodeData)->Size, sizeof (UINT16));
if (StorageType == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
Storage->Buffer = AllocateZeroPool (Storage->Size);
if (Storage->Buffer == NULL) {
FreePool (Storage);
return NULL;
}
}
AsciiStorageName = (CHAR8 *)((EFI_IFR_VARSTORE_EFI *)OpCodeData)->Name;
Storage->Name = AllocatePool (sizeof (CHAR16) * (AsciiStrLen (AsciiStorageName) + 1));
if (Storage->Name == NULL) {
FreePool (Storage);
return NULL;
}
AsciiToUnicode (AsciiStorageName, Storage->Name);
break;
case EFI_HII_VARSTORE_NAME_VALUE:
CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *)OpCodeData)->Guid, sizeof (EFI_GUID));
InitializeListHead (&Storage->NameValueList);
break;
default:
break;
}
InitializeConfigHdr (FormSet, Storage);
InsertTailList (&FormSet->StorageListHead, &Storage->Link);
return Storage;
}
/**
Get formset storage based on the input varstoreid info.
@param[in] FormSet Pointer of the current FormSet.
@param[in] VarStoreId Varstore ID info.
@return Pointer to a HII_FORMSET_STORAGE data structure.
**/
HII_FORMSET_STORAGE *
GetFstStgFromVarId (
IN HII_FORMSET *FormSet,
IN EFI_VARSTORE_ID VarStoreId
)
{
HII_FORMSET_STORAGE *Storage;
LIST_ENTRY *Link;
BOOLEAN Found;
Found = FALSE;
Storage = NULL;
//
// Find Formset Storage for this Question
//
Link = GetFirstNode (&FormSet->StorageListHead);
while (!IsNull (&FormSet->StorageListHead, Link)) {
Storage = HII_STORAGE_FROM_LINK (Link);
if (Storage->VarStoreId == VarStoreId) {
Found = TRUE;
break;
}
Link = GetNextNode (&FormSet->StorageListHead, Link);
}
return Found ? Storage : NULL;
}
/**
Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>
@param[in,out] FormSet Pointer of the current FormSet.
@param[in,out] Question The Question to be initialized.
@param[in,out] 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 HII_FORMSET *FormSet,
IN OUT HII_STATEMENT *Question,
IN OUT HII_FORM *Form
)
{
HII_FORMSET_STORAGE *Storage;
HII_FORM_CONFIG_REQUEST *ConfigInfo;
UINTN StrLen;
UINTN StringSize;
CHAR16 *NewStr;
CHAR16 RequestElement[30];
LIST_ENTRY *Link;
BOOLEAN Find;
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
);
HiiStringToLowercase (RequestElement);
Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement);
if (Question->BlockName == NULL) {
return EFI_OUT_OF_RESOURCES;
}
} 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;
}
StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16);
MaxLen = StringSize / sizeof (CHAR16) + Storage->SpareStrLen;
//
// Append <RequestElement> to <ConfigRequest>
//
if (StrLen > Storage->SpareStrLen) {
//
// Old String buffer is not sufficient for RequestElement, allocate a new one
//
MaxLen = StringSize / sizeof (CHAR16) + CONFIG_REQUEST_STRING_INCREMENTAL;
NewStr = AllocatePool (MaxLen * sizeof (CHAR16));
if (NewStr == NULL) {
return EFI_OUT_OF_RESOURCES;
}
if (Storage->ConfigRequest != NULL) {
CopyMem (NewStr, Storage->ConfigRequest, StringSize);
FreePool (Storage->ConfigRequest);
} else {
NewStr[0] = L'\0';
}
Storage->ConfigRequest = NewStr;
Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL;
}
StrCatS (Storage->ConfigRequest, MaxLen, RequestElement);
Storage->ElementCount++;
Storage->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 = HII_FORM_CONFIG_REQUEST_FROM_LINK (Link);
if ((ConfigInfo != NULL) && (ConfigInfo->Storage == Storage)) {
Find = TRUE;
break;
}
Link = GetNextNode (&Form->ConfigRequestHead, Link);
}
if (!Find) {
ConfigInfo = AllocateZeroPool (sizeof (HII_FORM_CONFIG_REQUEST));
if (ConfigInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
ConfigInfo->Signature = HII_FORM_CONFIG_REQUEST_SIGNATURE;
ConfigInfo->ConfigRequest = AllocateCopyPool (StrSize (Storage->ConfigHdr), Storage->ConfigHdr);
if (ConfigInfo->ConfigRequest == NULL) {
FreePool (ConfigInfo);
return EFI_OUT_OF_RESOURCES;
}
ConfigInfo->SpareStrLen = 0;
ConfigInfo->Storage = Storage;
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 = AllocatePool (MaxLen * sizeof (CHAR16));
if (NewStr == NULL) {
return EFI_OUT_OF_RESOURCES;
}
if (ConfigInfo->ConfigRequest != NULL) {
CopyMem (NewStr, ConfigInfo->ConfigRequest, StringSize);
FreePool (ConfigInfo->ConfigRequest);
} else {
NewStr[0] = L'\0';
}
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[in] FormSet Pointer of the Expression
**/
VOID
DestroyExpression (
IN HII_EXPRESSION *Expression
)
{
LIST_ENTRY *Link;
HII_EXPRESSION_OPCODE *OpCode;
LIST_ENTRY *SubExpressionLink;
HII_EXPRESSION *SubExpression;
while (!IsListEmpty (&Expression->OpCodeListHead)) {
Link = GetFirstNode (&Expression->OpCodeListHead);
OpCode = HII_EXPRESSION_OPCODE_FROM_LINK (Link);
RemoveEntryList (&OpCode->Link);
if ((OpCode->Operand == EFI_IFR_EQ_ID_VAL_LIST_OP) && (OpCode->ExtraData.EqIdListData.ValueList != NULL)) {
FreePool (OpCode->ExtraData.EqIdListData.ValueList);
}
if (((OpCode->Operand == EFI_IFR_GET_OP) || (OpCode->Operand == EFI_IFR_SET_OP)) &&
(OpCode->ExtraData.GetSetData.ValueName != NULL))
{
FreePool (OpCode->ExtraData.GetSetData.ValueName);
}
if (OpCode->MapExpressionList.ForwardLink != NULL) {
while (!IsListEmpty (&OpCode->MapExpressionList)) {
SubExpressionLink = GetFirstNode (&OpCode->MapExpressionList);
SubExpression = HII_EXPRESSION_FROM_LINK (SubExpressionLink);
RemoveEntryList (&SubExpression->Link);
DestroyExpression (SubExpression);
}
}
}
//
// Free this Expression
//
FreePool (Expression);
}
/**
Delete a string from HII Package List.
@param[in] StringId Id of the string in HII database.
@param[in] HiiHandle The HII package list handle.
@retval EFI_SUCCESS The string was deleted successfully.
**/
EFI_STATUS
DeleteString (
IN EFI_STRING_ID StringId,
IN EFI_HII_HANDLE HiiHandle
)
{
CHAR16 NullChar;
NullChar = CHAR_NULL;
HiiSetString (HiiHandle, StringId, &NullChar, NULL);
return EFI_SUCCESS;
}
/**
Free resources of a Statement.
@param[in] FormSet Pointer of the FormSet
@param[in,out] Statement Pointer of the Statement
**/
VOID
DestroyStatement (
IN HII_FORMSET *FormSet,
IN OUT HII_STATEMENT *Statement
)
{
LIST_ENTRY *Link;
HII_QUESTION_DEFAULT *Default;
HII_QUESTION_OPTION *Option;
HII_EXPRESSION *Expression;
//
// Free Default value List
//
while (!IsListEmpty (&Statement->DefaultListHead)) {
Link = GetFirstNode (&Statement->DefaultListHead);
Default = HII_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 = HII_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 = HII_EXPRESSION_FROM_LINK (Link);
RemoveEntryList (&Expression->Link);
DestroyExpression (Expression);
}
//
// Free NoSubmit List
//
while (!IsListEmpty (&Statement->NoSubmitListHead)) {
Link = GetFirstNode (&Statement->NoSubmitListHead);
Expression = HII_EXPRESSION_FROM_LINK (Link);
RemoveEntryList (&Expression->Link);
DestroyExpression (Expression);
}
//
// Free WarningIf List
//
while (!IsListEmpty (&Statement->WarningListHead)) {
Link = GetFirstNode (&Statement->WarningListHead);
Expression = HII_EXPRESSION_FROM_LINK (Link);
RemoveEntryList (&Expression->Link);
DestroyExpression (Expression);
}
if (Statement->ExpressionList != NULL) {
FreePool (Statement->ExpressionList);
}
if (Statement->VariableName != NULL) {
FreePool (Statement->VariableName);
}
if (Statement->BlockName != NULL) {
FreePool (Statement->BlockName);
}
if (Statement->Value.Buffer != NULL) {
FreePool (Statement->Value.Buffer);
}
if ((Statement->Operand == EFI_IFR_STRING_OP) || (Statement->Operand == EFI_IFR_PASSWORD_OP)) {
DeleteString (Statement->Value.Value.string, FormSet->HiiHandle);
}
}
/**
Free resources of a Form.
@param[in] FormSet Pointer of the FormSet
@param[in,out] Form Pointer of the Form.
**/
VOID
DestroyForm (
IN HII_FORMSET *FormSet,
IN OUT HII_FORM *Form
)
{
LIST_ENTRY *Link;
HII_EXPRESSION *Expression;
HII_STATEMENT *Statement;
HII_FORM_CONFIG_REQUEST *ConfigInfo;
//
// Free Rule Expressions
//
while (!IsListEmpty (&Form->RuleListHead)) {
Link = GetFirstNode (&Form->RuleListHead);
Expression = HII_EXPRESSION_FROM_LINK (Link);
RemoveEntryList (&Expression->Link);
DestroyExpression (Expression);
}
//
// Free Statements/Questions
//
while (!IsListEmpty (&Form->StatementListHead)) {
Link = GetFirstNode (&Form->StatementListHead);
Statement = HII_STATEMENT_FROM_LINK (Link);
RemoveEntryList (&Statement->Link);
DestroyStatement (FormSet, Statement);
}
//
// Free ConfigRequest string.
//
while (!IsListEmpty (&Form->ConfigRequestHead)) {
Link = GetFirstNode (&Form->ConfigRequestHead);
ConfigInfo = HII_FORM_CONFIG_REQUEST_FROM_LINK (Link);
RemoveEntryList (&ConfigInfo->Link);
FreePool (ConfigInfo->ConfigRequest);
FreePool (ConfigInfo);
}
if (Form->SuppressExpression != NULL) {
FreePool (Form->SuppressExpression);
}
//
// Free this Form
//
FreePool (Form);
}
/**
Tell whether this Operand is an Expression OpCode or not
@param[in] 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[in] 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[in] 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 Statements(Questions) and Expression OpCodes.
@param[in] FormSet The FormSet to be counted.
@param[in,out] NumberOfStatement Number of Statements(Questions)
@param[in,out] NumberOfExpression Number of Expression OpCodes
**/
VOID
CountOpCodes (
IN HII_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[in] FormSet Pointer of the FormSet data structure.
@retval EFI_SUCCESS Opcode parse success.
@retval Other Opcode parse fail.
**/
EFI_STATUS
ParseOpCodes (
IN HII_FORMSET *FormSet
)
{
EFI_STATUS Status;
HII_FORM *CurrentForm;
HII_STATEMENT *CurrentStatement;
HII_STATEMENT *ParentStatement;
HII_EXPRESSION_OPCODE *ExpressionOpCode;
HII_EXPRESSION *CurrentExpression;
UINT8 Operand;
UINT8 Scope;
UINTN OpCodeOffset;
UINTN OpCodeLength;
UINT8 *OpCodeData;
UINT8 ScopeOpCode;
HII_FORMSET_DEFAULTSTORE *DefaultStore;
HII_QUESTION_DEFAULT *CurrentDefault;
HII_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 *ExpressionValue;
HII_STATEMENT_VALUE *StatementValue;
EFI_IFR_FORM_MAP_METHOD *MapMethod;
UINT8 MapScopeDepth;
LIST_ENTRY *Link;
HII_FORMSET_STORAGE *Storage;
LIST_ENTRY *MapExpressionList;
EFI_VARSTORE_ID TempVarstoreId;
BOOLEAN InScopeDisable;
INTN ConditionalExprCount;
BOOLEAN InUnknownScope;
UINT8 UnknownDepth;
HII_FORMSET_DEFAULTSTORE *PreDefaultStore;
LIST_ENTRY *DefaultLink;
BOOLEAN HaveInserted;
UINT16 TotalBits;
BOOLEAN QuestionReferBitField;
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;
MapExpressionList = NULL;
TempVarstoreId = 0;
ConditionalExprCount = 0;
InUnknownScope = FALSE;
UnknownDepth = 0;
QuestionReferBitField = FALSE;
//
// Get the number of Statements and Expressions
//
CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);
InitializeListHead (&FormSet->StatementListOSF);
InitializeListHead (&FormSet->StorageListHead);
InitializeListHead (&FormSet->DefaultStoreListHead);
InitializeListHead (&FormSet->FormListHead);
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 = (HII_EXPRESSION_OPCODE *)AllocateZeroPool (sizeof (HII_EXPRESSION_OPCODE));
if (ExpressionOpCode == NULL) {
return EFI_OUT_OF_RESOURCES;
}
ExpressionOpCode->Signature = HII_EXPRESSION_OPCODE_SIGNATURE;
ExpressionOpCode->Operand = Operand;
switch (Operand) {
case EFI_IFR_EQ_ID_VAL_OP:
CopyMem (&ExpressionOpCode->ExtraData.EqIdValData.QuestionId, &((EFI_IFR_EQ_ID_VAL *)OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
ExpressionValue = &ExpressionOpCode->ExtraData.EqIdValData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_16;
CopyMem (&ExpressionValue->Value.u16, &((EFI_IFR_EQ_ID_VAL *)OpCodeData)->Value, sizeof (UINT16));
break;
case EFI_IFR_EQ_ID_ID_OP:
CopyMem (&ExpressionOpCode->ExtraData.EqIdIdData.QuestionId1, &((EFI_IFR_EQ_ID_ID *)OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID));
CopyMem (&ExpressionOpCode->ExtraData.EqIdIdData.QuestionId2, &((EFI_IFR_EQ_ID_ID *)OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID));
break;
case EFI_IFR_EQ_ID_VAL_LIST_OP:
CopyMem (&ExpressionOpCode->ExtraData.EqIdListData.QuestionId, &((EFI_IFR_EQ_ID_VAL_LIST *)OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
CopyMem (&ExpressionOpCode->ExtraData.EqIdListData.ListLength, &((EFI_IFR_EQ_ID_VAL_LIST *)OpCodeData)->ListLength, sizeof (UINT16));
ExpressionOpCode->ExtraData.EqIdListData.ValueList = AllocateCopyPool (
ExpressionOpCode->ExtraData.EqIdListData.ListLength * sizeof (UINT16),
&((EFI_IFR_EQ_ID_VAL_LIST *)OpCodeData)->ValueList
);
if (ExpressionOpCode->ExtraData.EqIdListData.ValueList == NULL) {
return EFI_OUT_OF_RESOURCES;
}
break;
case EFI_IFR_TO_STRING_OP:
case EFI_IFR_FIND_OP:
ExpressionOpCode->ExtraData.Format = ((EFI_IFR_TO_STRING *)OpCodeData)->Format;
break;
case EFI_IFR_STRING_REF1_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_STRING;
CopyMem (&ExpressionValue->Value.string, &((EFI_IFR_STRING_REF1 *)OpCodeData)->StringId, sizeof (EFI_STRING_ID));
break;
case EFI_IFR_RULE_REF_OP:
ExpressionOpCode->ExtraData.RuleId = ((EFI_IFR_RULE_REF *)OpCodeData)->RuleId;
break;
case EFI_IFR_SPAN_OP:
ExpressionOpCode->ExtraData.Flags = ((EFI_IFR_SPAN *)OpCodeData)->Flags;
break;
case EFI_IFR_THIS_OP:
if (ParentStatement != NULL) {
ExpressionOpCode->ExtraData.QuestionRef1Data.QuestionId = ParentStatement->QuestionId;
}
break;
case EFI_IFR_SECURITY_OP:
CopyMem (&ExpressionOpCode->ExtraData.Guid, &((EFI_IFR_SECURITY *)OpCodeData)->Permissions, sizeof (EFI_GUID));
break;
case EFI_IFR_MATCH2_OP:
CopyMem (&ExpressionOpCode->ExtraData.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)) {
Storage = HII_STORAGE_FROM_LINK (Link);
if (Storage->VarStoreId == ((EFI_IFR_GET *)OpCodeData)->VarStoreId) {
ExpressionOpCode->ExtraData.GetSetData.VarStorage = Storage;
break;
}
Link = GetNextNode (&FormSet->StorageListHead, Link);
}
}
if (ExpressionOpCode->ExtraData.GetSetData.VarStorage == NULL) {
//
// VarStorage is not found.
//
return EFI_INVALID_PARAMETER;
}
}
ExpressionOpCode->ExtraData.GetSetData.ValueType = ((EFI_IFR_GET *)OpCodeData)->VarStoreType;
switch (ExpressionOpCode->ExtraData.GetSetData.ValueType) {
case EFI_IFR_TYPE_BOOLEAN:
case EFI_IFR_TYPE_NUM_SIZE_8:
ExpressionOpCode->ExtraData.GetSetData.ValueWidth = 1;
break;
case EFI_IFR_TYPE_NUM_SIZE_16:
case EFI_IFR_TYPE_STRING:
ExpressionOpCode->ExtraData.GetSetData.ValueWidth = 2;
break;
case EFI_IFR_TYPE_NUM_SIZE_32:
ExpressionOpCode->ExtraData.GetSetData.ValueWidth = 4;
break;
case EFI_IFR_TYPE_NUM_SIZE_64:
ExpressionOpCode->ExtraData.GetSetData.ValueWidth = 8;
break;
case EFI_IFR_TYPE_DATE:
ExpressionOpCode->ExtraData.GetSetData.ValueWidth = (UINT8)sizeof (EFI_IFR_DATE);
break;
case EFI_IFR_TYPE_TIME:
ExpressionOpCode->ExtraData.GetSetData.ValueWidth = (UINT8)sizeof (EFI_IFR_TIME);
break;
case EFI_IFR_TYPE_REF:
ExpressionOpCode->ExtraData.GetSetData.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->ExtraData.GetSetData.VarStoreInfo.VarName,
&((EFI_IFR_GET *)OpCodeData)->VarStoreInfo.VarName,
sizeof (EFI_STRING_ID)
);
CopyMem (
&ExpressionOpCode->ExtraData.GetSetData.VarStoreInfo.VarOffset,
&((EFI_IFR_GET *)OpCodeData)->VarStoreInfo.VarOffset,
sizeof (UINT16)
);
if ((ExpressionOpCode->ExtraData.GetSetData.VarStorage != NULL) &&
((ExpressionOpCode->ExtraData.GetSetData.VarStorage->Type == EFI_HII_VARSTORE_NAME_VALUE) ||
(ExpressionOpCode->ExtraData.GetSetData.VarStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)))
{
ExpressionOpCode->ExtraData.GetSetData.ValueName = GetTokenString (ExpressionOpCode->ExtraData.GetSetData.VarStoreInfo.VarName, FormSet->HiiHandle);
if (ExpressionOpCode->ExtraData.GetSetData.ValueName == NULL) {
//
// String ID is invalid.
//
return EFI_INVALID_PARAMETER;
}
}
break;
case EFI_IFR_QUESTION_REF1_OP:
CopyMem (&ExpressionOpCode->ExtraData.QuestionRef1Data.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->ExtraData.QuestionRef3Data.DevicePath, &((EFI_IFR_QUESTION_REF3_2 *)OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));
if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) {
CopyMem (&ExpressionOpCode->ExtraData.QuestionRef3Data.Guid, &((EFI_IFR_QUESTION_REF3_3 *)OpCodeData)->Guid, sizeof (EFI_GUID));
}
}
break;
//
// constant
//
case EFI_IFR_TRUE_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_BOOLEAN;
ExpressionValue->Value.b = TRUE;
break;
case EFI_IFR_FALSE_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_BOOLEAN;
ExpressionValue->Value.b = FALSE;
break;
case EFI_IFR_ONE_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_8;
ExpressionValue->Value.u8 = 1;
break;
case EFI_IFR_ZERO_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_8;
ExpressionValue->Value.u8 = 0;
break;
case EFI_IFR_ONES_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_64;
ExpressionValue->Value.u64 = 0xffffffffffffffffULL;
break;
case EFI_IFR_UINT8_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_8;
ExpressionValue->Value.u8 = ((EFI_IFR_UINT8 *)OpCodeData)->Value;
break;
case EFI_IFR_UINT16_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_16;
CopyMem (&ExpressionValue->Value.u16, &((EFI_IFR_UINT16 *)OpCodeData)->Value, sizeof (UINT16));
break;
case EFI_IFR_UINT32_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_32;
CopyMem (&ExpressionValue->Value.u32, &((EFI_IFR_UINT32 *)OpCodeData)->Value, sizeof (UINT32));
break;
case EFI_IFR_UINT64_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_64;
CopyMem (&ExpressionValue->Value.u64, &((EFI_IFR_UINT64 *)OpCodeData)->Value, sizeof (UINT64));
break;
case EFI_IFR_UNDEFINED_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_UNDEFINED;
break;
case EFI_IFR_VERSION_OP:
ExpressionValue = &ExpressionOpCode->ExtraData.Value;
ExpressionValue->Type = EFI_IFR_TYPE_NUM_SIZE_16;
ExpressionValue->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);
if (CurrentExpression == NULL) {
continue;
}
InsertTailList (MapExpressionList, &CurrentExpression->Link);
if (Scope == 0) {
SingleOpCodeExpression = TRUE;
}
}
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 = EvaluateHiiExpression (FormSet, CurrentForm, CurrentExpression);
if (EFI_ERROR (Status)) {
return Status;
}
OpCodeDisabled = IsHiiValueTrue (&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));
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 (HII_FORM));
if (CurrentForm == NULL) {
break;
}
CurrentForm->Signature = HII_FORM_SIGNATURE;
InitializeListHead (&CurrentForm->StatementListHead);
InitializeListHead (&CurrentForm->ConfigRequestHead);
InitializeListHead (&CurrentForm->RuleListHead);
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 = (HII_EXPRESSION_LIST *)AllocatePool (
(UINTN)(sizeof (HII_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof (HII_EXPRESSION *)))
);
if (CurrentForm->SuppressExpression == NULL) {
break;
}
CurrentForm->SuppressExpression->Count = (UINTN)ConditionalExprCount;
CurrentForm->SuppressExpression->Signature = HII_EXPRESSION_LIST_SIGNATURE;
CopyMem (CurrentForm->SuppressExpression->Expression, GetConditionalExpressionList (ExpressForm), (UINTN)(sizeof (HII_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 (HII_FORM));
if (CurrentForm == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CurrentForm->Signature = HII_FORM_SIGNATURE;
InitializeListHead (&CurrentForm->StatementListHead);
InitializeListHead (&CurrentForm->ConfigRequestHead);
InitializeListHead (&CurrentForm->RuleListHead);
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 = (HII_EXPRESSION_LIST *)AllocateZeroPool (
(UINTN)(sizeof (HII_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof (HII_EXPRESSION *)))
);
if (CurrentForm->SuppressExpression == NULL) {
FreePool (CurrentForm);
return EFI_OUT_OF_RESOURCES;
}
CurrentForm->SuppressExpression->Count = (UINTN)ConditionalExprCount;
CurrentForm->SuppressExpression->Signature = HII_EXPRESSION_LIST_SIGNATURE;
CopyMem (CurrentForm->SuppressExpression->Expression, GetConditionalExpressionList (ExpressForm), (UINTN)(sizeof (HII_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:
HaveInserted = FALSE;
DefaultStore = AllocateZeroPool (sizeof (HII_FORMSET_DEFAULTSTORE));
if (DefaultStore == NULL) {
return EFI_OUT_OF_RESOURCES;
}
DefaultStore->Signature = HII_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 it to the DefaultStore list of this Formset with ascending order.
//
if (!IsListEmpty (&FormSet->DefaultStoreListHead)) {
DefaultLink = GetFirstNode (&FormSet->DefaultStoreListHead);
while (!IsNull (&FormSet->DefaultStoreListHead, DefaultLink)) {
PreDefaultStore = HII_FORMSET_DEFAULTSTORE_FROM_LINK (DefaultLink);
DefaultLink = GetNextNode (&FormSet->DefaultStoreListHead, DefaultLink);
if (DefaultStore->DefaultId < PreDefaultStore->DefaultId) {
InsertTailList (&PreDefaultStore->Link, &DefaultStore->Link);
HaveInserted = TRUE;
break;
}
}
}
if (!HaveInserted) {
InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link);
}
break;
//
// Statements
//
case EFI_IFR_SUBTITLE_OP:
CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
break;
case EFI_IFR_TEXT_OP:
CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
CopyMem (&CurrentStatement->ExtraData.TextTwo, &((EFI_IFR_TEXT *)OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));
break;
case EFI_IFR_RESET_BUTTON_OP:
CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
CopyMem (&CurrentStatement->ExtraData.DefaultId, &((EFI_IFR_RESET_BUTTON *)OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));
break;
//
// Questions
//
case EFI_IFR_ACTION_OP:
CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
CurrentStatement->Value.Type = EFI_IFR_TYPE_ACTION;
if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) {
//
// No QuestionConfig present, so no configuration string will be processed
//
CurrentStatement->ExtraData.QuestionConfig = 0;
} else {
CopyMem (&CurrentStatement->ExtraData.QuestionConfig, &((EFI_IFR_ACTION *)OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID));
}
break;
case EFI_IFR_REF_OP:
CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
StatementValue = &CurrentStatement->Value;
StatementValue->Type = EFI_IFR_TYPE_REF;
if (OpCodeLength >= sizeof (EFI_IFR_REF)) {
CopyMem (&StatementValue->Value.ref.FormId, &((EFI_IFR_REF *)OpCodeData)->FormId, sizeof (EFI_FORM_ID));
if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {
CopyMem (&StatementValue->Value.ref.QuestionId, &((EFI_IFR_REF2 *)OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {
CopyMem (&StatementValue->Value.ref.FormSetGuid, &((EFI_IFR_REF3 *)OpCodeData)->FormSetId, sizeof (EFI_GUID));
if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {
CopyMem (&StatementValue->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);
CurrentStatement->ExtraData.NumData.Flags = ((EFI_IFR_ONE_OF *)OpCodeData)->Flags;
StatementValue = &CurrentStatement->Value;
if (QuestionReferBitField) {
//
// Get the bit var store info (bit/byte offset, bit/byte offset)
//
CurrentStatement->QuestionReferToBitField = TRUE;
CurrentStatement->BitStorageWidth = CurrentStatement->ExtraData.NumData.Flags & EDKII_IFR_NUMERIC_SIZE_BIT;
CurrentStatement->BitVarOffset = CurrentStatement->VarStoreInfo.VarOffset;
CurrentStatement->VarStoreInfo.VarOffset = CurrentStatement->BitVarOffset / 8;
TotalBits = CurrentStatement->BitVarOffset % 8 + CurrentStatement->BitStorageWidth;
CurrentStatement->StorageWidth = (TotalBits % 8 == 0 ? TotalBits / 8 : TotalBits / 8 + 1);
//
// Get the Minimum/Maximum/Step value(Note: bit field type has been stored as UINT32 type)
//
CurrentStatement->ExtraData.NumData.Minimum = ((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.MinValue;
CurrentStatement->ExtraData.NumData.Maximum = ((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.MaxValue;
CurrentStatement->ExtraData.NumData.Step = ((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.Step;
//
// Update the Flag and type of Minimum/Maximum/Step according to the actual width of bit field,
// in order to make Browser handle these question with bit varstore correctly.
//
((EFI_IFR_NUMERIC *)OpCodeData)->Flags &= EDKII_IFR_DISPLAY_BIT;
((EFI_IFR_NUMERIC *)OpCodeData)->Flags >>= 2;
switch (CurrentStatement->StorageWidth) {
case 1:
((EFI_IFR_NUMERIC *)OpCodeData)->Flags |= EFI_IFR_TYPE_NUM_SIZE_8;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u8.MinValue = (UINT8)CurrentStatement->ExtraData.NumData.Minimum;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u8.MaxValue = (UINT8)CurrentStatement->ExtraData.NumData.Maximum;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u8.Step = (UINT8)CurrentStatement->ExtraData.NumData.Step;
StatementValue->Type = EFI_IFR_TYPE_NUM_SIZE_8;
break;
case 2:
((EFI_IFR_NUMERIC *)OpCodeData)->Flags |= EFI_IFR_TYPE_NUM_SIZE_16;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u16.MinValue = (UINT16)CurrentStatement->ExtraData.NumData.Minimum;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u16.MaxValue = (UINT16)CurrentStatement->ExtraData.NumData.Maximum;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u16.Step = (UINT16)CurrentStatement->ExtraData.NumData.Step;
StatementValue->Type = EFI_IFR_TYPE_NUM_SIZE_16;
break;
case 3:
case 4:
((EFI_IFR_NUMERIC *)OpCodeData)->Flags |= EFI_IFR_TYPE_NUM_SIZE_32;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.MinValue = (UINT32)CurrentStatement->ExtraData.NumData.Minimum;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.MaxValue = (UINT32)CurrentStatement->ExtraData.NumData.Maximum;
((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.Step = (UINT32)CurrentStatement->ExtraData.NumData.Step;
StatementValue->Type = EFI_IFR_TYPE_NUM_SIZE_32;
break;
default:
break;
}
} else {
switch (CurrentStatement->ExtraData.NumData.Flags & EFI_IFR_NUMERIC_SIZE) {
case EFI_IFR_NUMERIC_SIZE_1:
CurrentStatement->ExtraData.NumData.Minimum = ((EFI_IFR_NUMERIC *)OpCodeData)->data.u8.MinValue;
CurrentStatement->ExtraData.NumData.Maximum = ((EFI_IFR_NUMERIC *)OpCodeData)->data.u8.MaxValue;
CurrentStatement->ExtraData.NumData.Step = ((EFI_IFR_NUMERIC *)OpCodeData)->data.u8.Step;
CurrentStatement->StorageWidth = (UINT16)sizeof (UINT8);
StatementValue->Type = EFI_IFR_TYPE_NUM_SIZE_8;
break;
case EFI_IFR_NUMERIC_SIZE_2:
CopyMem (&CurrentStatement->ExtraData.NumData.Minimum, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u16.MinValue, sizeof (UINT16));
CopyMem (&CurrentStatement->ExtraData.NumData.Maximum, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u16.MaxValue, sizeof (UINT16));
CopyMem (&CurrentStatement->ExtraData.NumData.Step, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u16.Step, sizeof (UINT16));
CurrentStatement->StorageWidth = (UINT16)sizeof (UINT16);
StatementValue->Type = EFI_IFR_TYPE_NUM_SIZE_16;
break;
case EFI_IFR_NUMERIC_SIZE_4:
CopyMem (&CurrentStatement->ExtraData.NumData.Minimum, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.MinValue, sizeof (UINT32));
CopyMem (&CurrentStatement->ExtraData.NumData.Maximum, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.MaxValue, sizeof (UINT32));
CopyMem (&CurrentStatement->ExtraData.NumData.Step, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u32.Step, sizeof (UINT32));
CurrentStatement->StorageWidth = (UINT16)sizeof (UINT32);
StatementValue->Type = EFI_IFR_TYPE_NUM_SIZE_32;
break;
case EFI_IFR_NUMERIC_SIZE_8:
CopyMem (&CurrentStatement->ExtraData.NumData.Minimum, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u64.MinValue, sizeof (UINT64));
CopyMem (&CurrentStatement->ExtraData.NumData.Maximum, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u64.MaxValue, sizeof (UINT64));
CopyMem (&CurrentStatement->ExtraData.NumData.Step, &((EFI_IFR_NUMERIC *)OpCodeData)->data.u64.Step, sizeof (UINT64));
CurrentStatement->StorageWidth = (UINT16)sizeof (UINT64);
StatementValue->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);
CurrentStatement->ExtraData.OrderListData.Flags = ((EFI_IFR_ORDERED_LIST *)OpCodeData)->Flags;
CurrentStatement->ExtraData.OrderListData.MaxContainers = ((EFI_IFR_ORDERED_LIST *)OpCodeData)->MaxContainers;
CurrentStatement->Value.Type = EFI_IFR_TYPE_BUFFER;
CurrentStatement->Value.Buffer = NULL;
if (Scope != 0) {
SuppressForOption = TRUE;
}
break;
case EFI_IFR_CHECKBOX_OP:
CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
CurrentStatement->ExtraData.Flags = ((EFI_IFR_CHECKBOX *)OpCodeData)->Flags;
CurrentStatement->StorageWidth = (UINT16)sizeof (BOOLEAN);
CurrentStatement->Value.Type = EFI_IFR_TYPE_BOOLEAN;
if (QuestionReferBitField) {
//
// Get the bit var store info (bit/byte offset, bit/byte offset)
//
CurrentStatement->QuestionReferToBitField = TRUE;
CurrentStatement->BitStorageWidth = 1;
CurrentStatement->BitVarOffset = CurrentStatement->VarStoreInfo.VarOffset;
CurrentStatement->VarStoreInfo.VarOffset = CurrentStatement->BitVarOffset / 8;
TotalBits = CurrentStatement->BitVarOffset % 8 + CurrentStatement->BitStorageWidth;
CurrentStatement->StorageWidth = (TotalBits % 8 == 0 ? TotalBits / 8 : TotalBits / 8 + 1);
}
InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
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->ExtraData.StrData.MinSize = ((EFI_IFR_STRING *)OpCodeData)->MinSize;
CurrentStatement->ExtraData.StrData.MaxSize = ((EFI_IFR_STRING *)OpCodeData)->MaxSize;
CurrentStatement->ExtraData.StrData.Flags = ((EFI_IFR_STRING *)OpCodeData)->Flags;
CurrentStatement->StorageWidth = (UINT16)((UINTN)CurrentStatement->ExtraData.StrData.MaxSize * sizeof (CHAR16));
CurrentStatement->Value.Type = EFI_IFR_TYPE_STRING;
CurrentStatement->Value.Buffer = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16));
if (CurrentStatement->Value.Buffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CurrentStatement->Value.Value.string = NewHiiString ((CHAR16 *)CurrentStatement->Value.Buffer, FormSet->HiiHandle);
InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
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->ExtraData.PwdData.MinSize, &((EFI_IFR_PASSWORD *)OpCodeData)->MinSize, sizeof (UINT16));
CopyMem (&CurrentStatement->ExtraData.PwdData.MaxSize, &((EFI_IFR_PASSWORD *)OpCodeData)->MaxSize, sizeof (UINT16));
CurrentStatement->StorageWidth = (UINT16)((UINTN)CurrentStatement->ExtraData.PwdData.MaxSize * sizeof (CHAR16));
CurrentStatement->Value.Type = EFI_IFR_TYPE_STRING;
CurrentStatement->Value.Buffer = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16)));
if (CurrentStatement->Value.Buffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CurrentStatement->Value.Value.string = NewHiiString ((CHAR16 *)CurrentStatement->Value.Buffer, FormSet->HiiHandle);
InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
break;
case EFI_IFR_DATE_OP:
CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
CurrentStatement->ExtraData.Flags = ((EFI_IFR_DATE *)OpCodeData)->Flags;
CurrentStatement->Value.Type = EFI_IFR_TYPE_DATE;
if ((CurrentStatement->ExtraData.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);
CurrentStatement->ExtraData.Flags = ((EFI_IFR_TIME *)OpCodeData)->Flags;
CurrentStatement->Value.Type = EFI_IFR_TYPE_TIME;
if ((CurrentStatement->ExtraData.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 (HII_QUESTION_DEFAULT));
if (CurrentDefault == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CurrentDefault->Signature = HII_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);
if (CurrentDefault->Value.Buffer == NULL) {
FreePool (CurrentDefault);
return EFI_OUT_OF_RESOURCES;
}
if (ParentStatement->Operand == EFI_IFR_ORDERED_LIST_OP) {
ParentStatement->Value.BufferLen = CurrentDefault->Value.BufferLen;
CopyMem (ParentStatement->Value.Buffer, CurrentDefault->Value.Buffer, ParentStatement->Value.BufferLen);
}
} else {
CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *)OpCodeData)->Value, OpCodeLength - OFFSET_OF (EFI_IFR_DEFAULT, Value));
ExtendValueToU64 (&CurrentDefault->Value);
CopyMem (&ParentStatement->Value.Value, &((EFI_IFR_DEFAULT *)OpCodeData)->Value, OpCodeLength - OFFSET_OF (EFI_IFR_DEFAULT, Value));
ExtendValueToU64 (&ParentStatement->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:
if (ParentStatement == NULL) {
break;
}
CurrentDefault = NULL;
if (((ParentStatement->Operand == EFI_IFR_ORDERED_LIST_OP) || (ParentStatement->Operand == EFI_IFR_ONE_OF_OP)) &&
((((EFI_IFR_ONE_OF_OPTION *)OpCodeData)->Flags & (EFI_IFR_OPTION_DEFAULT | EFI_IFR_OPTION_DEFAULT_MFG)) != 0))
{
CurrentDefault = AllocateZeroPool (sizeof (HII_QUESTION_DEFAULT));
if (CurrentDefault == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CurrentDefault->Signature = HII_QUESTION_DEFAULT_SIGNATURE;
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;
}
if (ParentStatement->Operand == EFI_IFR_ORDERED_LIST_OP) {
CurrentDefault->Value.Type = EFI_IFR_TYPE_BUFFER;
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);
if (CurrentDefault->Value.Buffer == NULL) {
FreePool (CurrentDefault);
return EFI_OUT_OF_RESOURCES;
}
} else {
CurrentDefault->Value.Type = ((EFI_IFR_ONE_OF_OPTION *)OpCodeData)->Type;
CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_ONE_OF_OPTION *)OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));
ExtendValueToU64 (&CurrentDefault->Value);
}
//
// Insert to Default Value list of current Question
//
InsertTailList (&ParentStatement->DefaultListHead, &CurrentDefault->Link);
}
//
// EFI_IFR_ONE_OF_OPTION appear in scope of a Question.
// It create a selection for use in current Question.
//
CurrentOption = AllocateZeroPool (sizeof (HII_QUESTION_OPTION));
if (CurrentOption == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CurrentOption->Signature = HII_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 = (HII_EXPRESSION_LIST *)AllocatePool (
(UINTN)(sizeof (HII_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof (HII_EXPRESSION *)))
);
if (CurrentOption->SuppressExpression == NULL) {
FreePool (CurrentOption);
return EFI_OUT_OF_RESOURCES;
}
CurrentOption->SuppressExpression->Count = (UINTN)ConditionalExprCount;
CurrentOption->SuppressExpression->Signature = HII_EXPRESSION_LIST_SIGNATURE;
CopyMem (CurrentOption->SuppressExpression->Expression, GetConditionalExpressionList (ExpressOption), (UINTN)(sizeof (HII_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->Value.Buffer == 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->ExtraData.OrderListData.MaxContainers * Width);
ParentStatement->Value.Buffer = AllocateZeroPool (ParentStatement->StorageWidth);
if (ParentStatement->Value.Buffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
ParentStatement->Value.BufferLen = 0;
ParentStatement->Value.BufferValueType = CurrentOption->Value.Type;
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->ExtraData.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->ExtraData.WarningIfData.WarningIfError, &((EFI_IFR_WARNING_IF *)OpCodeData)->Warning, sizeof (EFI_STRING_ID));
CurrentExpression->ExtraData.WarningIfData.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 (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;
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 (HII_EXPRESSION));
if (CurrentExpression == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CurrentExpression->Signature = HII_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
//
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;
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.
//
if (ParentStatement == NULL) {
break;
}
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->ExtraData.RuleId = ((EFI_IFR_RULE *)OpCodeData)->RuleId;
InsertTailList (&CurrentForm->RuleListHead, &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;
//
// 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.
//
if (ParentStatement == NULL) {
break;
}
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;
//
// 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.
//
if (ParentStatement == NULL) {
break;
}
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:
if (CurrentForm != NULL) {
ImageId = &CurrentForm->ImageId;
}
break;
case EFI_IFR_ONE_OF_OPTION_OP:
if (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.
//
if (ParentStatement != NULL) {
ImageId = &ParentStatement->ImageId;
}
break;
}
CopyMem (ImageId, &((EFI_IFR_IMAGE *)OpCodeData)->Id, sizeof (EFI_IMAGE_ID));
break;
//
// Refresh
//
case EFI_IFR_REFRESH_OP:
if (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:
if (CurrentForm != NULL) {
CopyMem (&CurrentForm->RefreshGuid, &((EFI_IFR_REFRESH_ID *)OpCodeData)->RefreshEventGroupId, sizeof (EFI_GUID));
}
break;
default:
if (ParentStatement != NULL) {
if (ParentStatement->Operand == EFI_IFR_NUMERIC_OP) {
CopyMem (&ParentStatement->ExtraData.NumData.Guid, &((EFI_IFR_REFRESH_ID *)OpCodeData)->RefreshEventGroupId, sizeof (EFI_GUID));
}
}
break;
}
break;
//
// Modal tag
//
case EFI_IFR_MODAL_TAG_OP:
if (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:
if (CurrentForm != NULL) {
CurrentForm->Locked = TRUE;
}
break;
default:
if (ParentStatement != NULL) {
ParentStatement->Locked = TRUE;
}
}
break;
//
// Vendor specific
//
case EFI_IFR_GUID_OP:
CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
if (CompareGuid ((EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)), &gEdkiiIfrBitVarstoreGuid)) {
Scope = 0;
QuestionReferBitField = TRUE;
}
break;
//
// Scope End
//
case EFI_IFR_END_OP:
QuestionReferBitField = FALSE;
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);
if (EFI_ERROR (Status)) {
return Status;
}
if (MapScopeDepth > 0) {
MapScopeDepth--;
}
break;
default:
if (IsExpressionOpCode (ScopeOpCode)) {
if (InScopeDisable && (CurrentForm == NULL)) {
//
// This is DisableIf expression for Form, it should be a constant expression
//
Status = EvaluateHiiExpression (FormSet, CurrentForm, CurrentExpression);
if (EFI_ERROR (Status)) {
return Status;
}
OpCodeDisabled = IsHiiValueTrue (&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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