2 Parser for IFR binary encoding.
4 Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
17 UINT16 mStatementIndex
;
18 UINT16 mExpressionOpCodeIndex
;
19 EFI_QUESTION_ID mUsedQuestionId
;
20 extern LIST_ENTRY gBrowserStorageList
;
22 Initialize Statement header members.
24 @param OpCodeData Pointer of the raw OpCode data.
25 @param FormSet Pointer of the current FormSet.
26 @param Form Pointer of the current Form.
28 @return The Statement.
31 FORM_BROWSER_STATEMENT
*
34 IN OUT FORM_BROWSER_FORMSET
*FormSet
,
35 IN OUT FORM_BROWSER_FORM
*Form
38 FORM_BROWSER_STATEMENT
*Statement
;
39 EFI_IFR_STATEMENT_HEADER
*StatementHdr
;
40 INTN ConditionalExprCount
;
44 // Only guid op may out side the form level.
46 ASSERT (((EFI_IFR_OP_HEADER
*) OpCodeData
)->OpCode
== EFI_IFR_GUID_OP
);
49 Statement
= &FormSet
->StatementBuffer
[mStatementIndex
];
52 InitializeListHead (&Statement
->DefaultListHead
);
53 InitializeListHead (&Statement
->OptionListHead
);
54 InitializeListHead (&Statement
->InconsistentListHead
);
55 InitializeListHead (&Statement
->NoSubmitListHead
);
56 InitializeListHead (&Statement
->WarningListHead
);
58 Statement
->Signature
= FORM_BROWSER_STATEMENT_SIGNATURE
;
60 Statement
->Operand
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->OpCode
;
61 Statement
->OpCode
= (EFI_IFR_OP_HEADER
*) OpCodeData
;
63 StatementHdr
= (EFI_IFR_STATEMENT_HEADER
*) (OpCodeData
+ sizeof (EFI_IFR_OP_HEADER
));
64 CopyMem (&Statement
->Prompt
, &StatementHdr
->Prompt
, sizeof (EFI_STRING_ID
));
65 CopyMem (&Statement
->Help
, &StatementHdr
->Help
, sizeof (EFI_STRING_ID
));
67 ConditionalExprCount
= GetConditionalExpressionCount(ExpressStatement
);
68 if (ConditionalExprCount
> 0) {
70 // Form is inside of suppressif
73 Statement
->Expression
= (FORM_EXPRESSION_LIST
*) AllocatePool(
74 (UINTN
) (sizeof(FORM_EXPRESSION_LIST
) + ((ConditionalExprCount
-1) * sizeof(FORM_EXPRESSION
*))));
75 ASSERT (Statement
->Expression
!= NULL
);
76 Statement
->Expression
->Count
= (UINTN
) ConditionalExprCount
;
77 Statement
->Expression
->Signature
= FORM_EXPRESSION_LIST_SIGNATURE
;
78 CopyMem (Statement
->Expression
->Expression
, GetConditionalExpressionList(ExpressStatement
), (UINTN
) (sizeof (FORM_EXPRESSION
*) * ConditionalExprCount
));
82 // Insert this Statement into current Form
85 InsertTailList (&FormSet
->StatementListOSF
, &Statement
->Link
);
87 InsertTailList (&Form
->StatementListHead
, &Statement
->Link
);
93 Convert a numeric value to a Unicode String and insert it to String Package.
94 This string is used as the Unicode Name for the EFI Variable. This is to support
95 the deprecated vareqval opcode.
97 @param FormSet The FormSet.
98 @param Statement The numeric question whose VarStoreInfo.VarName is the
99 numeric value which is used to produce the Unicode Name
100 for the EFI Variable.
102 If the Statement is NULL, the ASSERT.
103 If the opcode is not Numeric, then ASSERT.
105 @retval EFI_SUCCESS The funtion always succeeds.
108 UpdateCheckBoxStringToken (
109 IN CONST FORM_BROWSER_FORMSET
*FormSet
,
110 IN FORM_BROWSER_STATEMENT
*Statement
113 CHAR16 Str
[MAXIMUM_VALUE_CHARACTERS
];
116 ASSERT (Statement
!= NULL
);
117 ASSERT (Statement
->Operand
== EFI_IFR_NUMERIC_OP
);
119 UnicodeValueToString (Str
, 0, Statement
->VarStoreInfo
.VarName
, MAXIMUM_VALUE_CHARACTERS
- 1);
121 Id
= HiiSetString (FormSet
->HiiHandle
, 0, Str
, NULL
);
123 return EFI_OUT_OF_RESOURCES
;
126 Statement
->VarStoreInfo
.VarName
= Id
;
132 Check if the next opcode is the EFI_IFR_EXTEND_OP_VAREQNAME.
134 @param OpCodeData The current opcode.
140 IsNextOpCodeGuidedVarEqName (
147 OpCodeData
+= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
;
148 if (*OpCodeData
== EFI_IFR_GUID_OP
) {
149 if (CompareGuid (&gEfiIfrFrameworkGuid
, (EFI_GUID
*)(OpCodeData
+ sizeof (EFI_IFR_OP_HEADER
)))) {
151 // Specific GUIDed opcodes to support IFR generated from Framework HII VFR
153 if ((((EFI_IFR_GUID_VAREQNAME
*) OpCodeData
)->ExtendOpCode
) == EFI_IFR_EXTEND_OP_VAREQNAME
) {
163 Initialize Question's members.
165 @param OpCodeData Pointer of the raw OpCode data.
166 @param FormSet Pointer of the current FormSet.
167 @param Form Pointer of the current Form.
169 @return The Question.
172 FORM_BROWSER_STATEMENT
*
174 IN UINT8
*OpCodeData
,
175 IN OUT FORM_BROWSER_FORMSET
*FormSet
,
176 IN OUT FORM_BROWSER_FORM
*Form
179 FORM_BROWSER_STATEMENT
*Statement
;
180 EFI_IFR_QUESTION_HEADER
*QuestionHdr
;
182 FORMSET_STORAGE
*Storage
;
183 NAME_VALUE_NODE
*NameValueNode
;
187 Statement
= CreateStatement (OpCodeData
, FormSet
, Form
);
188 if (Statement
== NULL
) {
192 QuestionHdr
= (EFI_IFR_QUESTION_HEADER
*) (OpCodeData
+ sizeof (EFI_IFR_OP_HEADER
));
193 CopyMem (&Statement
->QuestionId
, &QuestionHdr
->QuestionId
, sizeof (EFI_QUESTION_ID
));
194 CopyMem (&Statement
->VarStoreId
, &QuestionHdr
->VarStoreId
, sizeof (EFI_VARSTORE_ID
));
195 CopyMem (&Statement
->VarStoreInfo
.VarOffset
, &QuestionHdr
->VarStoreInfo
.VarOffset
, sizeof (UINT16
));
197 Statement
->QuestionFlags
= QuestionHdr
->Flags
;
199 if (Statement
->VarStoreId
== 0) {
201 // VarStoreId of zero indicates no variable storage
207 // Take a look at next OpCode to see whether it is a GUIDed opcode to support
208 // Framework Compatibility
210 if (FeaturePcdGet (PcdFrameworkCompatibilitySupport
)) {
211 if ((*OpCodeData
== EFI_IFR_NUMERIC_OP
) && IsNextOpCodeGuidedVarEqName (OpCodeData
)) {
212 Status
= UpdateCheckBoxStringToken (FormSet
, Statement
);
213 if (EFI_ERROR (Status
)) {
220 // Find Storage for this Question
222 Link
= GetFirstNode (&FormSet
->StorageListHead
);
223 while (!IsNull (&FormSet
->StorageListHead
, Link
)) {
224 Storage
= FORMSET_STORAGE_FROM_LINK (Link
);
226 if (Storage
->VarStoreId
== Statement
->VarStoreId
) {
227 Statement
->Storage
= Storage
->BrowserStorage
;
231 Link
= GetNextNode (&FormSet
->StorageListHead
, Link
);
233 ASSERT (Statement
->Storage
!= NULL
);
236 // Initialilze varname for Name/Value or EFI Variable
238 if ((Statement
->Storage
->Type
== EFI_HII_VARSTORE_NAME_VALUE
) ||
239 (Statement
->Storage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE
)) {
240 Statement
->VariableName
= GetToken (Statement
->VarStoreInfo
.VarName
, FormSet
->HiiHandle
);
241 ASSERT (Statement
->VariableName
!= NULL
);
243 if (Statement
->Storage
->Type
== EFI_HII_VARSTORE_NAME_VALUE
) {
245 // Check whether old string node already exist.
248 if (!IsListEmpty(&Statement
->Storage
->NameValueListHead
)) {
249 Link
= GetFirstNode (&Statement
->Storage
->NameValueListHead
);
250 while (!IsNull (&Statement
->Storage
->NameValueListHead
, Link
)) {
251 NameValueNode
= NAME_VALUE_NODE_FROM_LINK (Link
);
253 if (StrCmp (Statement
->VariableName
, NameValueNode
->Name
) == 0) {
258 Link
= GetNextNode (&Statement
->Storage
->NameValueListHead
, Link
);
264 // Insert to Name/Value varstore list
266 NameValueNode
= AllocateZeroPool (sizeof (NAME_VALUE_NODE
));
267 ASSERT (NameValueNode
!= NULL
);
268 NameValueNode
->Signature
= NAME_VALUE_NODE_SIGNATURE
;
269 NameValueNode
->Name
= AllocateCopyPool (StrSize (Statement
->VariableName
), Statement
->VariableName
);
270 ASSERT (NameValueNode
->Name
!= NULL
);
271 NameValueNode
->Value
= AllocateZeroPool (0x10);
272 ASSERT (NameValueNode
->Value
!= NULL
);
273 NameValueNode
->EditValue
= AllocateZeroPool (0x10);
274 ASSERT (NameValueNode
->EditValue
!= NULL
);
276 InsertTailList (&Statement
->Storage
->NameValueListHead
, &NameValueNode
->Link
);
286 Allocate a FORM_EXPRESSION node.
288 @param Form The Form associated with this Expression
289 @param OpCode The binary opcode data.
291 @return Pointer to a FORM_EXPRESSION data structure.
296 IN OUT FORM_BROWSER_FORM
*Form
,
300 FORM_EXPRESSION
*Expression
;
302 Expression
= AllocateZeroPool (sizeof (FORM_EXPRESSION
));
303 ASSERT (Expression
!= NULL
);
304 Expression
->Signature
= FORM_EXPRESSION_SIGNATURE
;
305 InitializeListHead (&Expression
->OpCodeListHead
);
306 Expression
->OpCode
= (EFI_IFR_OP_HEADER
*) OpCode
;
312 Create ConfigHdr string for a storage.
314 @param FormSet Pointer of the current FormSet
315 @param Storage Pointer of the storage
317 @retval EFI_SUCCESS Initialize ConfigHdr success
321 InitializeConfigHdr (
322 IN FORM_BROWSER_FORMSET
*FormSet
,
323 IN OUT FORMSET_STORAGE
*Storage
328 if (Storage
->BrowserStorage
->Type
== EFI_HII_VARSTORE_BUFFER
||
329 Storage
->BrowserStorage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
) {
330 Name
= Storage
->BrowserStorage
->Name
;
335 Storage
->ConfigHdr
= HiiConstructConfigHdr (
336 &Storage
->BrowserStorage
->Guid
,
338 FormSet
->DriverHandle
341 if (Storage
->ConfigHdr
== NULL
) {
342 return EFI_NOT_FOUND
;
349 Find the global storage link base on the input storate type, name and guid.
351 For EFI_HII_VARSTORE_EFI_VARIABLE and EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER,
352 same guid + name = same storage
354 For EFI_HII_VARSTORE_NAME_VALUE:
355 same guid + HiiHandle = same storage
357 For EFI_HII_VARSTORE_BUFFER:
358 same guid + name + HiiHandle = same storage
360 @param StorageType Storage type.
361 @param StorageGuid Storage guid.
362 @param StorageName Storage Name.
363 @param HiiHandle HiiHandle for this varstore.
365 @return Pointer to a GLOBAL_STORAGE data structure.
370 IN UINT8 StorageType
,
371 IN EFI_GUID
*StorageGuid
,
372 IN CHAR16
*StorageName
,
373 IN EFI_HII_HANDLE HiiHandle
377 BROWSER_STORAGE
*BrowserStorage
;
379 Link
= GetFirstNode (&gBrowserStorageList
);
380 while (!IsNull (&gBrowserStorageList
, Link
)) {
381 BrowserStorage
= BROWSER_STORAGE_FROM_LINK (Link
);
382 Link
= GetNextNode (&gBrowserStorageList
, Link
);
384 if ((BrowserStorage
->Type
== StorageType
) && CompareGuid (&BrowserStorage
->Guid
, StorageGuid
)) {
385 if (StorageType
== EFI_HII_VARSTORE_NAME_VALUE
) {
386 if (BrowserStorage
->HiiHandle
== HiiHandle
) {
387 return BrowserStorage
;
393 ASSERT (StorageName
!= NULL
);
394 if (StrCmp (BrowserStorage
->Name
, StorageName
) == 0) {
395 if (StorageType
== EFI_HII_VARSTORE_EFI_VARIABLE
|| StorageType
== EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
) {
396 return BrowserStorage
;
397 } else if (StorageType
== EFI_HII_VARSTORE_BUFFER
&& BrowserStorage
->HiiHandle
== HiiHandle
) {
398 return BrowserStorage
;
408 Intialize the Global Storage.
410 @param BrowserStorage Pointer to the global storage.
411 @param StorageType Storage type.
412 @param OpCodeData Binary data for this opcode.
416 IntializeBrowserStorage (
417 IN BROWSER_STORAGE
*BrowserStorage
,
418 IN UINT8 StorageType
,
422 switch (StorageType
) {
423 case EFI_HII_VARSTORE_BUFFER
:
424 CopyMem (&BrowserStorage
->Guid
, &((EFI_IFR_VARSTORE
*) OpCodeData
)->Guid
, sizeof (EFI_GUID
));
425 CopyMem (&BrowserStorage
->Size
, &((EFI_IFR_VARSTORE
*) OpCodeData
)->Size
, sizeof (UINT16
));
427 BrowserStorage
->Buffer
= AllocateZeroPool (BrowserStorage
->Size
);
428 BrowserStorage
->EditBuffer
= AllocateZeroPool (BrowserStorage
->Size
);
431 case EFI_HII_VARSTORE_EFI_VARIABLE
:
432 case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
:
433 CopyMem (&BrowserStorage
->Guid
, &((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->Guid
, sizeof (EFI_GUID
));
434 CopyMem (&BrowserStorage
->Attributes
, &((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->Attributes
, sizeof (UINT32
));
435 CopyMem (&BrowserStorage
->Size
, &((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->Size
, sizeof (UINT16
));
437 if (StorageType
== EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
) {
438 BrowserStorage
->Buffer
= AllocateZeroPool (BrowserStorage
->Size
);
439 BrowserStorage
->EditBuffer
= AllocateZeroPool (BrowserStorage
->Size
);
443 case EFI_HII_VARSTORE_NAME_VALUE
:
444 CopyMem (&BrowserStorage
->Guid
, &((EFI_IFR_VARSTORE_NAME_VALUE
*) OpCodeData
)->Guid
, sizeof (EFI_GUID
));
446 InitializeListHead (&BrowserStorage
->NameValueListHead
);
455 Check whether exist device path info in the ConfigHdr string.
457 @param String UEFI configuration string
459 @retval TRUE Device Path exist.
460 @retval FALSE Not exist device path info.
470 for (; (*String
!= 0 && StrnCmp (String
, L
"PATH=", StrLen (L
"PATH=")) != 0); String
++);
475 String
+= StrLen (L
"PATH=");
480 for (Length
= 0; *String
!= 0 && *String
!= L
'&'; String
++, Length
++);
481 if (((Length
+ 1) / 2) < sizeof (EFI_DEVICE_PATH_PROTOCOL
)) {
489 Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.
491 @param FormSet Pointer of the current FormSet
492 @param StorageType Storage type.
493 @param OpCodeData Binary data for this opcode.
495 @return Pointer to a FORMSET_STORAGE data structure.
500 IN FORM_BROWSER_FORMSET
*FormSet
,
501 IN UINT8 StorageType
,
505 FORMSET_STORAGE
*Storage
;
506 CHAR16
*UnicodeString
;
508 BROWSER_STORAGE
*BrowserStorage
;
509 EFI_GUID
*StorageGuid
;
512 UnicodeString
= NULL
;
514 switch (StorageType
) {
515 case EFI_HII_VARSTORE_BUFFER
:
516 StorageGuid
= (EFI_GUID
*) (CHAR8
*) &((EFI_IFR_VARSTORE
*) OpCodeData
)->Guid
;
517 StorageName
= (CHAR8
*) ((EFI_IFR_VARSTORE
*) OpCodeData
)->Name
;
520 case EFI_HII_VARSTORE_EFI_VARIABLE
:
521 case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
:
522 StorageGuid
= (EFI_GUID
*) (CHAR8
*) &((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->Guid
;
523 StorageName
= (CHAR8
*) ((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->Name
;
527 ASSERT (StorageType
== EFI_HII_VARSTORE_NAME_VALUE
);
528 StorageGuid
= &((EFI_IFR_VARSTORE_NAME_VALUE
*) OpCodeData
)->Guid
;
532 if (StorageType
!= EFI_HII_VARSTORE_NAME_VALUE
) {
533 ASSERT (StorageName
!= NULL
);
535 UnicodeString
= AllocateZeroPool (AsciiStrSize (StorageName
) * 2);
536 ASSERT (UnicodeString
!= NULL
);
537 for (Index
= 0; StorageName
[Index
] != 0; Index
++) {
538 UnicodeString
[Index
] = (CHAR16
) StorageName
[Index
];
542 Storage
= AllocateZeroPool (sizeof (FORMSET_STORAGE
));
543 ASSERT (Storage
!= NULL
);
544 Storage
->Signature
= FORMSET_STORAGE_SIGNATURE
;
545 InsertTailList (&FormSet
->StorageListHead
, &Storage
->Link
);
547 BrowserStorage
= FindStorageInList(StorageType
, StorageGuid
, UnicodeString
, FormSet
->HiiHandle
);
548 if (BrowserStorage
== NULL
) {
549 BrowserStorage
= AllocateZeroPool (sizeof (BROWSER_STORAGE
));
550 ASSERT (BrowserStorage
!= NULL
);
552 BrowserStorage
->Signature
= BROWSER_STORAGE_SIGNATURE
;
553 InsertTailList (&gBrowserStorageList
, &BrowserStorage
->Link
);
555 IntializeBrowserStorage (BrowserStorage
, StorageType
, OpCodeData
);
556 BrowserStorage
->Type
= StorageType
;
557 if (StorageType
!= EFI_HII_VARSTORE_NAME_VALUE
) {
558 BrowserStorage
->Name
= UnicodeString
;
561 BrowserStorage
->HiiHandle
= FormSet
->HiiHandle
;
563 BrowserStorage
->Initialized
= FALSE
;
566 Storage
->BrowserStorage
= BrowserStorage
;
567 InitializeConfigHdr (FormSet
, Storage
);
568 Storage
->ConfigRequest
= AllocateCopyPool (StrSize (Storage
->ConfigHdr
), Storage
->ConfigHdr
);
569 Storage
->SpareStrLen
= 0;
575 Get Formset_storage base on the input varstoreid info.
577 @param FormSet Pointer of the current FormSet.
578 @param VarStoreId Varstore ID info.
580 @return Pointer to a FORMSET_STORAGE data structure.
585 IN FORM_BROWSER_FORMSET
*FormSet
,
586 IN EFI_VARSTORE_ID VarStoreId
589 FORMSET_STORAGE
*FormsetStorage
;
594 FormsetStorage
= NULL
;
596 // Find Formset Storage for this Question
598 Link
= GetFirstNode (&FormSet
->StorageListHead
);
599 while (!IsNull (&FormSet
->StorageListHead
, Link
)) {
600 FormsetStorage
= FORMSET_STORAGE_FROM_LINK (Link
);
602 if (FormsetStorage
->VarStoreId
== VarStoreId
) {
607 Link
= GetNextNode (&FormSet
->StorageListHead
, Link
);
610 return Found
? FormsetStorage
: NULL
;
614 Get Formset_storage base on the input browser storage.
616 More than one formsets may share the same browser storage,
617 this function just get the first formset storage which
618 share the browser storage.
620 @param Storage browser storage info.
622 @return Pointer to a FORMSET_STORAGE data structure.
627 GetFstStgFromBrsStg (
628 IN BROWSER_STORAGE
*Storage
631 FORMSET_STORAGE
*FormsetStorage
;
633 LIST_ENTRY
*FormsetLink
;
634 FORM_BROWSER_FORMSET
*FormSet
;
638 FormsetStorage
= NULL
;
640 FormsetLink
= GetFirstNode (&gBrowserFormSetList
);
641 while (!IsNull (&gBrowserFormSetList
, FormsetLink
)) {
642 FormSet
= FORM_BROWSER_FORMSET_FROM_LINK (FormsetLink
);
643 FormsetLink
= GetNextNode (&gBrowserFormSetList
, FormsetLink
);
645 Link
= GetFirstNode (&FormSet
->StorageListHead
);
646 while (!IsNull (&FormSet
->StorageListHead
, Link
)) {
647 FormsetStorage
= FORMSET_STORAGE_FROM_LINK (Link
);
648 Link
= GetNextNode (&FormSet
->StorageListHead
, Link
);
650 if (FormsetStorage
->BrowserStorage
== Storage
) {
661 return Found
? FormsetStorage
: NULL
;
665 Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>
667 @param FormSet Pointer of the current FormSet.
668 @param Question The Question to be initialized.
669 @param Form Pointer of the current form.
671 @retval EFI_SUCCESS Function success.
672 @retval EFI_INVALID_PARAMETER No storage associated with the Question.
676 InitializeRequestElement (
677 IN OUT FORM_BROWSER_FORMSET
*FormSet
,
678 IN OUT FORM_BROWSER_STATEMENT
*Question
,
679 IN OUT FORM_BROWSER_FORM
*Form
682 BROWSER_STORAGE
*Storage
;
683 FORMSET_STORAGE
*FormsetStorage
;
687 CHAR16 RequestElement
[30];
690 FORM_BROWSER_CONFIG_REQUEST
*ConfigInfo
;
693 Storage
= Question
->Storage
;
694 if (Storage
== NULL
) {
695 return EFI_INVALID_PARAMETER
;
698 if (Storage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE
) {
700 // <ConfigRequest> is unnecessary for EFI variable storage,
701 // GetVariable()/SetVariable() will be used to retrieve/save values
707 // Prepare <RequestElement>
709 if (Storage
->Type
== EFI_HII_VARSTORE_BUFFER
||
710 Storage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
) {
711 StrLen
= UnicodeSPrint (
713 30 * sizeof (CHAR16
),
714 L
"&OFFSET=%04x&WIDTH=%04x",
715 Question
->VarStoreInfo
.VarOffset
,
716 Question
->StorageWidth
718 HiiToLower(RequestElement
);
719 Question
->BlockName
= AllocateCopyPool ((StrLen
+ 1) * sizeof (CHAR16
), RequestElement
);
721 StrLen
= UnicodeSPrint (RequestElement
, 30 * sizeof (CHAR16
), L
"&%s", Question
->VariableName
);
724 if ((Question
->Operand
== EFI_IFR_PASSWORD_OP
) && ((Question
->QuestionFlags
& EFI_IFR_FLAG_CALLBACK
) == EFI_IFR_FLAG_CALLBACK
)) {
726 // Password with CALLBACK flag is stored in encoded format,
727 // so don't need to append it to <ConfigRequest>
733 // Find Formset Storage for this Question
735 FormsetStorage
= GetFstStgFromVarId(FormSet
, Question
->VarStoreId
);
736 ASSERT (FormsetStorage
!= NULL
);
737 StringSize
= (FormsetStorage
->ConfigRequest
!= NULL
) ? StrSize (FormsetStorage
->ConfigRequest
) : sizeof (CHAR16
);
738 MaxLen
= StringSize
/ sizeof (CHAR16
) + FormsetStorage
->SpareStrLen
;
741 // Append <RequestElement> to <ConfigRequest>
743 if (StrLen
> FormsetStorage
->SpareStrLen
) {
745 // Old String buffer is not sufficient for RequestElement, allocate a new one
747 MaxLen
= StringSize
/ sizeof (CHAR16
) + CONFIG_REQUEST_STRING_INCREMENTAL
;
748 NewStr
= AllocateZeroPool (MaxLen
* sizeof (CHAR16
));
749 ASSERT (NewStr
!= NULL
);
750 if (FormsetStorage
->ConfigRequest
!= NULL
) {
751 CopyMem (NewStr
, FormsetStorage
->ConfigRequest
, StringSize
);
752 FreePool (FormsetStorage
->ConfigRequest
);
754 FormsetStorage
->ConfigRequest
= NewStr
;
755 FormsetStorage
->SpareStrLen
= CONFIG_REQUEST_STRING_INCREMENTAL
;
758 StrCatS (FormsetStorage
->ConfigRequest
, MaxLen
, RequestElement
);
759 FormsetStorage
->ElementCount
++;
760 FormsetStorage
->SpareStrLen
-= StrLen
;
763 // Update the Config Request info saved in the form.
767 Link
= GetFirstNode (&Form
->ConfigRequestHead
);
768 while (!IsNull (&Form
->ConfigRequestHead
, Link
)) {
769 ConfigInfo
= FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link
);
771 if (ConfigInfo
!= NULL
&& ConfigInfo
->Storage
== FormsetStorage
->BrowserStorage
) {
776 Link
= GetNextNode (&Form
->ConfigRequestHead
, Link
);
780 ConfigInfo
= AllocateZeroPool(sizeof (FORM_BROWSER_CONFIG_REQUEST
));
781 ASSERT (ConfigInfo
!= NULL
);
782 ConfigInfo
->Signature
= FORM_BROWSER_CONFIG_REQUEST_SIGNATURE
;
783 ConfigInfo
->ConfigRequest
= AllocateCopyPool (StrSize (FormsetStorage
->ConfigHdr
), FormsetStorage
->ConfigHdr
);
784 ASSERT (ConfigInfo
->ConfigRequest
!= NULL
);
785 ConfigInfo
->SpareStrLen
= 0;
786 ConfigInfo
->Storage
= FormsetStorage
->BrowserStorage
;
787 InsertTailList(&Form
->ConfigRequestHead
, &ConfigInfo
->Link
);
789 StringSize
= (ConfigInfo
->ConfigRequest
!= NULL
) ? StrSize (ConfigInfo
->ConfigRequest
) : sizeof (CHAR16
);
790 MaxLen
= StringSize
/ sizeof (CHAR16
) + ConfigInfo
->SpareStrLen
;
793 // Append <RequestElement> to <ConfigRequest>
795 if (StrLen
> ConfigInfo
->SpareStrLen
) {
797 // Old String buffer is not sufficient for RequestElement, allocate a new one
799 MaxLen
= StringSize
/ sizeof (CHAR16
) + CONFIG_REQUEST_STRING_INCREMENTAL
;
800 NewStr
= AllocateZeroPool (MaxLen
* sizeof (CHAR16
));
801 ASSERT (NewStr
!= NULL
);
802 if (ConfigInfo
->ConfigRequest
!= NULL
) {
803 CopyMem (NewStr
, ConfigInfo
->ConfigRequest
, StringSize
);
804 FreePool (ConfigInfo
->ConfigRequest
);
806 ConfigInfo
->ConfigRequest
= NewStr
;
807 ConfigInfo
->SpareStrLen
= CONFIG_REQUEST_STRING_INCREMENTAL
;
810 StrCatS (ConfigInfo
->ConfigRequest
, MaxLen
, RequestElement
);
811 ConfigInfo
->ElementCount
++;
812 ConfigInfo
->SpareStrLen
-= StrLen
;
818 Free resources of a Expression.
820 @param FormSet Pointer of the Expression
825 IN FORM_EXPRESSION
*Expression
829 EXPRESSION_OPCODE
*OpCode
;
830 LIST_ENTRY
*SubExpressionLink
;
831 FORM_EXPRESSION
*SubExpression
;
833 while (!IsListEmpty (&Expression
->OpCodeListHead
)) {
834 Link
= GetFirstNode (&Expression
->OpCodeListHead
);
835 OpCode
= EXPRESSION_OPCODE_FROM_LINK (Link
);
836 RemoveEntryList (&OpCode
->Link
);
838 if (OpCode
->ValueList
!= NULL
) {
839 FreePool (OpCode
->ValueList
);
842 if (OpCode
->ValueName
!= NULL
) {
843 FreePool (OpCode
->ValueName
);
846 if (OpCode
->MapExpressionList
.ForwardLink
!= NULL
) {
847 while (!IsListEmpty (&OpCode
->MapExpressionList
)) {
848 SubExpressionLink
= GetFirstNode(&OpCode
->MapExpressionList
);
849 SubExpression
= FORM_EXPRESSION_FROM_LINK (SubExpressionLink
);
850 RemoveEntryList(&SubExpression
->Link
);
851 DestroyExpression (SubExpression
);
857 // Free this Expression
859 FreePool (Expression
);
863 Free resources of a storage.
865 @param Storage Pointer of the storage
870 IN FORMSET_STORAGE
*Storage
873 if (Storage
== NULL
) {
877 if (Storage
->ConfigRequest
!= NULL
) {
878 FreePool (Storage
->ConfigRequest
);
886 Free resources of a Statement.
888 @param FormSet Pointer of the FormSet
889 @param Statement Pointer of the Statement
894 IN FORM_BROWSER_FORMSET
*FormSet
,
895 IN OUT FORM_BROWSER_STATEMENT
*Statement
899 QUESTION_DEFAULT
*Default
;
900 QUESTION_OPTION
*Option
;
901 FORM_EXPRESSION
*Expression
;
904 // Free Default value List
906 while (!IsListEmpty (&Statement
->DefaultListHead
)) {
907 Link
= GetFirstNode (&Statement
->DefaultListHead
);
908 Default
= QUESTION_DEFAULT_FROM_LINK (Link
);
909 RemoveEntryList (&Default
->Link
);
911 if (Default
->Value
.Buffer
!= NULL
) {
912 FreePool (Default
->Value
.Buffer
);
920 while (!IsListEmpty (&Statement
->OptionListHead
)) {
921 Link
= GetFirstNode (&Statement
->OptionListHead
);
922 Option
= QUESTION_OPTION_FROM_LINK (Link
);
923 if (Option
->SuppressExpression
!= NULL
) {
924 FreePool (Option
->SuppressExpression
);
926 RemoveEntryList (&Option
->Link
);
932 // Free Inconsistent List
934 while (!IsListEmpty (&Statement
->InconsistentListHead
)) {
935 Link
= GetFirstNode (&Statement
->InconsistentListHead
);
936 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
937 RemoveEntryList (&Expression
->Link
);
939 DestroyExpression (Expression
);
943 // Free NoSubmit List
945 while (!IsListEmpty (&Statement
->NoSubmitListHead
)) {
946 Link
= GetFirstNode (&Statement
->NoSubmitListHead
);
947 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
948 RemoveEntryList (&Expression
->Link
);
950 DestroyExpression (Expression
);
954 // Free WarningIf List
956 while (!IsListEmpty (&Statement
->WarningListHead
)) {
957 Link
= GetFirstNode (&Statement
->WarningListHead
);
958 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
959 RemoveEntryList (&Expression
->Link
);
961 DestroyExpression (Expression
);
964 if (Statement
->Expression
!= NULL
) {
965 FreePool (Statement
->Expression
);
968 if (Statement
->VariableName
!= NULL
) {
969 FreePool (Statement
->VariableName
);
971 if (Statement
->BlockName
!= NULL
) {
972 FreePool (Statement
->BlockName
);
974 if (Statement
->BufferValue
!= NULL
) {
975 FreePool (Statement
->BufferValue
);
977 if (Statement
->Operand
== EFI_IFR_STRING_OP
|| Statement
->Operand
== EFI_IFR_PASSWORD_OP
) {
978 DeleteString(Statement
->HiiValue
.Value
.string
, FormSet
->HiiHandle
);
984 Free resources of a Form.
986 @param FormSet Pointer of the FormSet
987 @param Form Pointer of the Form.
992 IN FORM_BROWSER_FORMSET
*FormSet
,
993 IN OUT FORM_BROWSER_FORM
*Form
997 FORM_EXPRESSION
*Expression
;
998 FORM_BROWSER_STATEMENT
*Statement
;
999 FORM_BROWSER_CONFIG_REQUEST
*ConfigInfo
;
1002 // Free Form Expressions
1004 while (!IsListEmpty (&Form
->ExpressionListHead
)) {
1005 Link
= GetFirstNode (&Form
->ExpressionListHead
);
1006 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
1007 RemoveEntryList (&Expression
->Link
);
1009 DestroyExpression (Expression
);
1013 // Free Statements/Questions
1015 while (!IsListEmpty (&Form
->StatementListHead
)) {
1016 Link
= GetFirstNode (&Form
->StatementListHead
);
1017 Statement
= FORM_BROWSER_STATEMENT_FROM_LINK (Link
);
1018 RemoveEntryList (&Statement
->Link
);
1020 DestroyStatement (FormSet
, Statement
);
1024 // Free ConfigRequest string.
1026 while (!IsListEmpty (&Form
->ConfigRequestHead
)) {
1027 Link
= GetFirstNode (&Form
->ConfigRequestHead
);
1028 ConfigInfo
= FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link
);
1029 RemoveEntryList (&ConfigInfo
->Link
);
1031 FreePool (ConfigInfo
->ConfigRequest
);
1032 FreePool (ConfigInfo
);
1035 if (Form
->SuppressExpression
!= NULL
) {
1036 FreePool (Form
->SuppressExpression
);
1039 UiFreeMenuList (&Form
->FormViewListHead
);
1049 Free resources allocated for a FormSet.
1051 @param FormSet Pointer of the FormSet
1056 IN OUT FORM_BROWSER_FORMSET
*FormSet
1060 FORMSET_STORAGE
*Storage
;
1061 FORMSET_DEFAULTSTORE
*DefaultStore
;
1062 FORM_EXPRESSION
*Expression
;
1063 FORM_BROWSER_FORM
*Form
;
1065 if (FormSet
->IfrBinaryData
== NULL
) {
1067 // Uninitialized FormSet
1074 // Free IFR binary buffer
1076 FreePool (FormSet
->IfrBinaryData
);
1079 // Free FormSet Storage
1081 if (FormSet
->StorageListHead
.ForwardLink
!= NULL
) {
1082 while (!IsListEmpty (&FormSet
->StorageListHead
)) {
1083 Link
= GetFirstNode (&FormSet
->StorageListHead
);
1084 Storage
= FORMSET_STORAGE_FROM_LINK (Link
);
1085 RemoveEntryList (&Storage
->Link
);
1087 DestroyStorage (Storage
);
1092 // Free FormSet Default Store
1094 if (FormSet
->DefaultStoreListHead
.ForwardLink
!= NULL
) {
1095 while (!IsListEmpty (&FormSet
->DefaultStoreListHead
)) {
1096 Link
= GetFirstNode (&FormSet
->DefaultStoreListHead
);
1097 DefaultStore
= FORMSET_DEFAULTSTORE_FROM_LINK (Link
);
1098 RemoveEntryList (&DefaultStore
->Link
);
1100 FreePool (DefaultStore
);
1105 // Free Formset Expressions
1107 while (!IsListEmpty (&FormSet
->ExpressionListHead
)) {
1108 Link
= GetFirstNode (&FormSet
->ExpressionListHead
);
1109 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
1110 RemoveEntryList (&Expression
->Link
);
1112 DestroyExpression (Expression
);
1118 if (FormSet
->FormListHead
.ForwardLink
!= NULL
) {
1119 while (!IsListEmpty (&FormSet
->FormListHead
)) {
1120 Link
= GetFirstNode (&FormSet
->FormListHead
);
1121 Form
= FORM_BROWSER_FORM_FROM_LINK (Link
);
1122 RemoveEntryList (&Form
->Link
);
1124 DestroyForm (FormSet
, Form
);
1128 if (FormSet
->StatementBuffer
!= NULL
) {
1129 FreePool (FormSet
->StatementBuffer
);
1131 if (FormSet
->ExpressionBuffer
!= NULL
) {
1132 FreePool (FormSet
->ExpressionBuffer
);
1140 Tell whether this Operand is an Expression OpCode or not
1142 @param Operand Operand of an IFR OpCode.
1144 @retval TRUE This is an Expression OpCode.
1145 @retval FALSE Not an Expression OpCode.
1149 IsExpressionOpCode (
1153 if (((Operand
>= EFI_IFR_EQ_ID_VAL_OP
) && (Operand
<= EFI_IFR_NOT_OP
)) ||
1154 ((Operand
>= EFI_IFR_MATCH_OP
) && (Operand
<= EFI_IFR_SET_OP
)) ||
1155 ((Operand
>= EFI_IFR_EQUAL_OP
) && (Operand
<= EFI_IFR_SPAN_OP
)) ||
1156 (Operand
== EFI_IFR_CATENATE_OP
) ||
1157 (Operand
== EFI_IFR_TO_LOWER_OP
) ||
1158 (Operand
== EFI_IFR_TO_UPPER_OP
) ||
1159 (Operand
== EFI_IFR_MAP_OP
) ||
1160 (Operand
== EFI_IFR_VERSION_OP
) ||
1161 (Operand
== EFI_IFR_SECURITY_OP
) ||
1162 (Operand
== EFI_IFR_MATCH2_OP
)) {
1170 Tell whether this Operand is an Statement OpCode.
1172 @param Operand Operand of an IFR OpCode.
1174 @retval TRUE This is an Statement OpCode.
1175 @retval FALSE Not an Statement OpCode.
1183 if ((Operand
== EFI_IFR_SUBTITLE_OP
) ||
1184 (Operand
== EFI_IFR_TEXT_OP
) ||
1185 (Operand
== EFI_IFR_RESET_BUTTON_OP
) ||
1186 (Operand
== EFI_IFR_REF_OP
) ||
1187 (Operand
== EFI_IFR_ACTION_OP
) ||
1188 (Operand
== EFI_IFR_NUMERIC_OP
) ||
1189 (Operand
== EFI_IFR_ORDERED_LIST_OP
) ||
1190 (Operand
== EFI_IFR_CHECKBOX_OP
) ||
1191 (Operand
== EFI_IFR_STRING_OP
) ||
1192 (Operand
== EFI_IFR_PASSWORD_OP
) ||
1193 (Operand
== EFI_IFR_DATE_OP
) ||
1194 (Operand
== EFI_IFR_TIME_OP
) ||
1195 (Operand
== EFI_IFR_GUID_OP
) ||
1196 (Operand
== EFI_IFR_ONE_OF_OP
)) {
1204 Tell whether this Operand is an known OpCode.
1206 @param Operand Operand of an IFR OpCode.
1208 @retval TRUE This is an Statement OpCode.
1209 @retval FALSE Not an Statement OpCode.
1217 return Operand
> EFI_IFR_MATCH2_OP
? TRUE
: FALSE
;
1221 Calculate number of Statemens(Questions) and Expression OpCodes.
1223 @param FormSet The FormSet to be counted.
1224 @param NumberOfStatement Number of Statemens(Questions)
1225 @param NumberOfExpression Number of Expression OpCodes
1230 IN FORM_BROWSER_FORMSET
*FormSet
,
1231 IN OUT UINT16
*NumberOfStatement
,
1232 IN OUT UINT16
*NumberOfExpression
1235 UINT16 StatementCount
;
1236 UINT16 ExpressionCount
;
1243 ExpressionCount
= 0;
1245 while (Offset
< FormSet
->IfrBinaryLength
) {
1246 OpCodeData
= FormSet
->IfrBinaryData
+ Offset
;
1247 OpCodeLen
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
;
1248 Offset
+= OpCodeLen
;
1250 if (IsExpressionOpCode (((EFI_IFR_OP_HEADER
*) OpCodeData
)->OpCode
)) {
1257 *NumberOfStatement
= StatementCount
;
1258 *NumberOfExpression
= ExpressionCount
;
1264 Parse opcodes in the formset IFR binary.
1266 @param FormSet Pointer of the FormSet data structure.
1268 @retval EFI_SUCCESS Opcode parse success.
1269 @retval Other Opcode parse fail.
1274 IN FORM_BROWSER_FORMSET
*FormSet
1278 FORM_BROWSER_FORM
*CurrentForm
;
1279 FORM_BROWSER_STATEMENT
*CurrentStatement
;
1280 FORM_BROWSER_STATEMENT
*ParentStatement
;
1281 EXPRESSION_OPCODE
*ExpressionOpCode
;
1282 FORM_EXPRESSION
*CurrentExpression
;
1289 FORMSET_STORAGE
*Storage
;
1290 FORMSET_DEFAULTSTORE
*DefaultStore
;
1291 QUESTION_DEFAULT
*CurrentDefault
;
1292 QUESTION_OPTION
*CurrentOption
;
1294 UINT16 NumberOfStatement
;
1295 UINT16 NumberOfExpression
;
1296 EFI_IMAGE_ID
*ImageId
;
1297 BOOLEAN SuppressForQuestion
;
1298 BOOLEAN SuppressForOption
;
1299 UINT16 DepthOfDisable
;
1300 BOOLEAN OpCodeDisabled
;
1301 BOOLEAN SingleOpCodeExpression
;
1302 BOOLEAN InScopeDefault
;
1303 EFI_HII_VALUE
*Value
;
1304 EFI_IFR_FORM_MAP_METHOD
*MapMethod
;
1305 UINT8 MapScopeDepth
;
1307 FORMSET_STORAGE
*VarStorage
;
1308 LIST_ENTRY
*MapExpressionList
;
1309 EFI_VARSTORE_ID TempVarstoreId
;
1310 BOOLEAN InScopeDisable
;
1311 INTN ConditionalExprCount
;
1312 BOOLEAN InUnknownScope
;
1314 FORMSET_DEFAULTSTORE
*PreDefaultStore
;
1315 LIST_ENTRY
*DefaultLink
;
1316 BOOLEAN HaveInserted
;
1318 SuppressForQuestion
= FALSE
;
1319 SuppressForOption
= FALSE
;
1320 InScopeDisable
= FALSE
;
1322 OpCodeDisabled
= FALSE
;
1323 SingleOpCodeExpression
= FALSE
;
1324 InScopeDefault
= FALSE
;
1325 CurrentExpression
= NULL
;
1326 CurrentDefault
= NULL
;
1327 CurrentOption
= NULL
;
1333 MapExpressionList
= NULL
;
1335 ConditionalExprCount
= 0;
1336 InUnknownScope
= FALSE
;
1340 // Get the number of Statements and Expressions
1342 CountOpCodes (FormSet
, &NumberOfStatement
, &NumberOfExpression
);
1344 mStatementIndex
= 0;
1345 mUsedQuestionId
= 1;
1346 FormSet
->StatementBuffer
= AllocateZeroPool (NumberOfStatement
* sizeof (FORM_BROWSER_STATEMENT
));
1347 if (FormSet
->StatementBuffer
== NULL
) {
1348 return EFI_OUT_OF_RESOURCES
;
1351 mExpressionOpCodeIndex
= 0;
1352 FormSet
->ExpressionBuffer
= AllocateZeroPool (NumberOfExpression
* sizeof (EXPRESSION_OPCODE
));
1353 if (FormSet
->ExpressionBuffer
== NULL
) {
1354 return EFI_OUT_OF_RESOURCES
;
1357 InitializeListHead (&FormSet
->StatementListOSF
);
1358 InitializeListHead (&FormSet
->StorageListHead
);
1359 InitializeListHead (&FormSet
->SaveFailStorageListHead
);
1360 InitializeListHead (&FormSet
->DefaultStoreListHead
);
1361 InitializeListHead (&FormSet
->FormListHead
);
1362 InitializeListHead (&FormSet
->ExpressionListHead
);
1363 ResetCurrentExpressionStack ();
1364 ResetMapExpressionListStack ();
1367 CurrentStatement
= NULL
;
1368 ParentStatement
= NULL
;
1373 while (OpCodeOffset
< FormSet
->IfrBinaryLength
) {
1374 OpCodeData
= FormSet
->IfrBinaryData
+ OpCodeOffset
;
1376 OpCodeLength
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
;
1377 OpCodeOffset
+= OpCodeLength
;
1378 Operand
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->OpCode
;
1379 Scope
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Scope
;
1381 if (InUnknownScope
) {
1382 if (Operand
== EFI_IFR_END_OP
) {
1385 if (UnknownDepth
== 0) {
1386 InUnknownScope
= FALSE
;
1397 if (IsUnKnownOpCode(Operand
)) {
1399 InUnknownScope
= TRUE
;
1407 // If scope bit set, push onto scope stack
1410 PushScope (Operand
);
1413 if (OpCodeDisabled
) {
1415 // DisableIf Expression is evaluated to be TRUE, try to find its end.
1416 // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END
1418 if (Operand
== EFI_IFR_DISABLE_IF_OP
) {
1420 } else if (Operand
== EFI_IFR_END_OP
) {
1421 Status
= PopScope (&ScopeOpCode
);
1422 if (EFI_ERROR (Status
)) {
1426 if (ScopeOpCode
== EFI_IFR_DISABLE_IF_OP
) {
1427 if (DepthOfDisable
== 0) {
1428 InScopeDisable
= FALSE
;
1429 OpCodeDisabled
= FALSE
;
1438 if (IsExpressionOpCode (Operand
)) {
1439 ExpressionOpCode
= &FormSet
->ExpressionBuffer
[mExpressionOpCodeIndex
];
1440 mExpressionOpCodeIndex
++;
1442 ExpressionOpCode
->Signature
= EXPRESSION_OPCODE_SIGNATURE
;
1443 ExpressionOpCode
->Operand
= Operand
;
1444 Value
= &ExpressionOpCode
->Value
;
1447 case EFI_IFR_EQ_ID_VAL_OP
:
1448 CopyMem (&ExpressionOpCode
->QuestionId
, &((EFI_IFR_EQ_ID_VAL
*) OpCodeData
)->QuestionId
, sizeof (EFI_QUESTION_ID
));
1450 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_16
;
1451 CopyMem (&Value
->Value
.u16
, &((EFI_IFR_EQ_ID_VAL
*) OpCodeData
)->Value
, sizeof (UINT16
));
1454 case EFI_IFR_EQ_ID_ID_OP
:
1455 CopyMem (&ExpressionOpCode
->QuestionId
, &((EFI_IFR_EQ_ID_ID
*) OpCodeData
)->QuestionId1
, sizeof (EFI_QUESTION_ID
));
1456 CopyMem (&ExpressionOpCode
->QuestionId2
, &((EFI_IFR_EQ_ID_ID
*) OpCodeData
)->QuestionId2
, sizeof (EFI_QUESTION_ID
));
1459 case EFI_IFR_EQ_ID_VAL_LIST_OP
:
1460 CopyMem (&ExpressionOpCode
->QuestionId
, &((EFI_IFR_EQ_ID_VAL_LIST
*) OpCodeData
)->QuestionId
, sizeof (EFI_QUESTION_ID
));
1461 CopyMem (&ExpressionOpCode
->ListLength
, &((EFI_IFR_EQ_ID_VAL_LIST
*) OpCodeData
)->ListLength
, sizeof (UINT16
));
1462 ExpressionOpCode
->ValueList
= AllocateCopyPool (ExpressionOpCode
->ListLength
* sizeof (UINT16
), &((EFI_IFR_EQ_ID_VAL_LIST
*) OpCodeData
)->ValueList
);
1465 case EFI_IFR_TO_STRING_OP
:
1466 case EFI_IFR_FIND_OP
:
1467 ExpressionOpCode
->Format
= (( EFI_IFR_TO_STRING
*) OpCodeData
)->Format
;
1470 case EFI_IFR_STRING_REF1_OP
:
1471 Value
->Type
= EFI_IFR_TYPE_STRING
;
1472 CopyMem (&Value
->Value
.string
, &(( EFI_IFR_STRING_REF1
*) OpCodeData
)->StringId
, sizeof (EFI_STRING_ID
));
1475 case EFI_IFR_RULE_REF_OP
:
1476 ExpressionOpCode
->RuleId
= (( EFI_IFR_RULE_REF
*) OpCodeData
)->RuleId
;
1479 case EFI_IFR_SPAN_OP
:
1480 ExpressionOpCode
->Flags
= (( EFI_IFR_SPAN
*) OpCodeData
)->Flags
;
1483 case EFI_IFR_THIS_OP
:
1484 ASSERT (ParentStatement
!= NULL
);
1485 ExpressionOpCode
->QuestionId
= ParentStatement
->QuestionId
;
1488 case EFI_IFR_SECURITY_OP
:
1489 CopyMem (&ExpressionOpCode
->Guid
, &((EFI_IFR_SECURITY
*) OpCodeData
)->Permissions
, sizeof (EFI_GUID
));
1492 case EFI_IFR_MATCH2_OP
:
1493 CopyMem (&ExpressionOpCode
->Guid
, &((EFI_IFR_MATCH2
*) OpCodeData
)->SyntaxType
, sizeof (EFI_GUID
));
1496 case EFI_IFR_GET_OP
:
1497 case EFI_IFR_SET_OP
:
1498 CopyMem (&TempVarstoreId
, &((EFI_IFR_GET
*) OpCodeData
)->VarStoreId
, sizeof (TempVarstoreId
));
1499 if (TempVarstoreId
!= 0) {
1500 if (FormSet
->StorageListHead
.ForwardLink
!= NULL
) {
1501 Link
= GetFirstNode (&FormSet
->StorageListHead
);
1502 while (!IsNull (&FormSet
->StorageListHead
, Link
)) {
1503 VarStorage
= FORMSET_STORAGE_FROM_LINK (Link
);
1504 if (VarStorage
->VarStoreId
== ((EFI_IFR_GET
*) OpCodeData
)->VarStoreId
) {
1505 ExpressionOpCode
->VarStorage
= VarStorage
->BrowserStorage
;
1508 Link
= GetNextNode (&FormSet
->StorageListHead
, Link
);
1511 if (ExpressionOpCode
->VarStorage
== NULL
) {
1513 // VarStorage is not found.
1515 return EFI_INVALID_PARAMETER
;
1518 ExpressionOpCode
->ValueType
= ((EFI_IFR_GET
*) OpCodeData
)->VarStoreType
;
1519 switch (ExpressionOpCode
->ValueType
) {
1520 case EFI_IFR_TYPE_BOOLEAN
:
1521 case EFI_IFR_TYPE_NUM_SIZE_8
:
1522 ExpressionOpCode
->ValueWidth
= 1;
1525 case EFI_IFR_TYPE_NUM_SIZE_16
:
1526 case EFI_IFR_TYPE_STRING
:
1527 ExpressionOpCode
->ValueWidth
= 2;
1530 case EFI_IFR_TYPE_NUM_SIZE_32
:
1531 ExpressionOpCode
->ValueWidth
= 4;
1534 case EFI_IFR_TYPE_NUM_SIZE_64
:
1535 ExpressionOpCode
->ValueWidth
= 8;
1538 case EFI_IFR_TYPE_DATE
:
1539 ExpressionOpCode
->ValueWidth
= (UINT8
) sizeof (EFI_IFR_DATE
);
1542 case EFI_IFR_TYPE_TIME
:
1543 ExpressionOpCode
->ValueWidth
= (UINT8
) sizeof (EFI_IFR_TIME
);
1546 case EFI_IFR_TYPE_REF
:
1547 ExpressionOpCode
->ValueWidth
= (UINT8
) sizeof (EFI_IFR_REF
);
1550 case EFI_IFR_TYPE_OTHER
:
1551 case EFI_IFR_TYPE_UNDEFINED
:
1552 case EFI_IFR_TYPE_ACTION
:
1553 case EFI_IFR_TYPE_BUFFER
:
1556 // Invalid value type for Get/Set opcode.
1558 return EFI_INVALID_PARAMETER
;
1560 CopyMem (&ExpressionOpCode
->VarStoreInfo
.VarName
, &((EFI_IFR_GET
*) OpCodeData
)->VarStoreInfo
.VarName
, sizeof (EFI_STRING_ID
));
1561 CopyMem (&ExpressionOpCode
->VarStoreInfo
.VarOffset
, &((EFI_IFR_GET
*) OpCodeData
)->VarStoreInfo
.VarOffset
, sizeof (UINT16
));
1562 if ((ExpressionOpCode
->VarStorage
!= NULL
) &&
1563 (ExpressionOpCode
->VarStorage
->Type
== EFI_HII_VARSTORE_NAME_VALUE
||
1564 ExpressionOpCode
->VarStorage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE
)) {
1565 ExpressionOpCode
->ValueName
= GetToken (ExpressionOpCode
->VarStoreInfo
.VarName
, FormSet
->HiiHandle
);
1566 if (ExpressionOpCode
->ValueName
== NULL
) {
1568 // String ID is invalid.
1570 return EFI_INVALID_PARAMETER
;
1575 case EFI_IFR_QUESTION_REF1_OP
:
1576 CopyMem (&ExpressionOpCode
->QuestionId
, &((EFI_IFR_EQ_ID_VAL_LIST
*) OpCodeData
)->QuestionId
, sizeof (EFI_QUESTION_ID
));
1579 case EFI_IFR_QUESTION_REF3_OP
:
1580 if (OpCodeLength
>= sizeof (EFI_IFR_QUESTION_REF3_2
)) {
1581 CopyMem (&ExpressionOpCode
->DevicePath
, &(( EFI_IFR_QUESTION_REF3_2
*) OpCodeData
)->DevicePath
, sizeof (EFI_STRING_ID
));
1583 if (OpCodeLength
>= sizeof (EFI_IFR_QUESTION_REF3_3
)) {
1584 CopyMem (&ExpressionOpCode
->Guid
, &(( EFI_IFR_QUESTION_REF3_3
*) OpCodeData
)->Guid
, sizeof (EFI_GUID
));
1592 case EFI_IFR_TRUE_OP
:
1593 Value
->Type
= EFI_IFR_TYPE_BOOLEAN
;
1594 Value
->Value
.b
= TRUE
;
1597 case EFI_IFR_FALSE_OP
:
1598 Value
->Type
= EFI_IFR_TYPE_BOOLEAN
;
1599 Value
->Value
.b
= FALSE
;
1602 case EFI_IFR_ONE_OP
:
1603 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_8
;
1604 Value
->Value
.u8
= 1;
1607 case EFI_IFR_ZERO_OP
:
1608 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_8
;
1609 Value
->Value
.u8
= 0;
1612 case EFI_IFR_ONES_OP
:
1613 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_64
;
1614 Value
->Value
.u64
= 0xffffffffffffffffULL
;
1617 case EFI_IFR_UINT8_OP
:
1618 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_8
;
1619 Value
->Value
.u8
= (( EFI_IFR_UINT8
*) OpCodeData
)->Value
;
1622 case EFI_IFR_UINT16_OP
:
1623 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_16
;
1624 CopyMem (&Value
->Value
.u16
, &(( EFI_IFR_UINT16
*) OpCodeData
)->Value
, sizeof (UINT16
));
1627 case EFI_IFR_UINT32_OP
:
1628 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_32
;
1629 CopyMem (&Value
->Value
.u32
, &(( EFI_IFR_UINT32
*) OpCodeData
)->Value
, sizeof (UINT32
));
1632 case EFI_IFR_UINT64_OP
:
1633 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_64
;
1634 CopyMem (&Value
->Value
.u64
, &(( EFI_IFR_UINT64
*) OpCodeData
)->Value
, sizeof (UINT64
));
1637 case EFI_IFR_UNDEFINED_OP
:
1638 Value
->Type
= EFI_IFR_TYPE_UNDEFINED
;
1641 case EFI_IFR_VERSION_OP
:
1642 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_16
;
1643 Value
->Value
.u16
= EFI_IFR_SPECIFICATION_VERSION
;
1650 // Create sub expression nested in MAP opcode
1652 if (CurrentExpression
== NULL
&& MapScopeDepth
> 0) {
1653 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
1654 ASSERT (MapExpressionList
!= NULL
);
1655 InsertTailList (MapExpressionList
, &CurrentExpression
->Link
);
1657 SingleOpCodeExpression
= TRUE
;
1660 ASSERT (CurrentExpression
!= NULL
);
1661 InsertTailList (&CurrentExpression
->OpCodeListHead
, &ExpressionOpCode
->Link
);
1662 if (Operand
== EFI_IFR_MAP_OP
) {
1664 // Store current Map Expression List.
1666 if (MapExpressionList
!= NULL
) {
1667 PushMapExpressionList (MapExpressionList
);
1670 // Initialize new Map Expression List.
1672 MapExpressionList
= &ExpressionOpCode
->MapExpressionList
;
1673 InitializeListHead (MapExpressionList
);
1675 // Store current expression.
1677 PushCurrentExpression (CurrentExpression
);
1678 CurrentExpression
= NULL
;
1680 } else if (SingleOpCodeExpression
) {
1682 // There are two cases to indicate the end of an Expression:
1683 // for single OpCode expression: one Expression OpCode
1684 // for expression consists of more than one OpCode: EFI_IFR_END
1686 SingleOpCodeExpression
= FALSE
;
1688 if (InScopeDisable
&& CurrentForm
== NULL
) {
1690 // This is DisableIf expression for Form, it should be a constant expression
1692 Status
= EvaluateExpression (FormSet
, CurrentForm
, CurrentExpression
);
1693 if (EFI_ERROR (Status
)) {
1697 OpCodeDisabled
= IsTrue(&CurrentExpression
->Result
);
1700 CurrentExpression
= NULL
;
1711 case EFI_IFR_FORM_SET_OP
:
1713 // Check the formset GUID
1715 if (CompareMem (&FormSet
->Guid
, &((EFI_IFR_FORM_SET
*) OpCodeData
)->Guid
, sizeof (EFI_GUID
)) != 0) {
1716 return EFI_INVALID_PARAMETER
;
1719 CopyMem (&FormSet
->FormSetTitle
, &((EFI_IFR_FORM_SET
*) OpCodeData
)->FormSetTitle
, sizeof (EFI_STRING_ID
));
1720 CopyMem (&FormSet
->Help
, &((EFI_IFR_FORM_SET
*) OpCodeData
)->Help
, sizeof (EFI_STRING_ID
));
1721 FormSet
->OpCode
= (EFI_IFR_OP_HEADER
*) OpCodeData
;//save the opcode address of formset
1723 if (OpCodeLength
> OFFSET_OF (EFI_IFR_FORM_SET
, Flags
)) {
1725 // The formset OpCode contains ClassGuid
1727 FormSet
->NumberOfClassGuid
= (UINT8
) (((EFI_IFR_FORM_SET
*) OpCodeData
)->Flags
& 0x3);
1728 CopyMem (FormSet
->ClassGuid
, OpCodeData
+ sizeof (EFI_IFR_FORM_SET
), FormSet
->NumberOfClassGuid
* sizeof (EFI_GUID
));
1732 case EFI_IFR_FORM_OP
:
1734 // Create a new Form for this FormSet
1736 CurrentForm
= AllocateZeroPool (sizeof (FORM_BROWSER_FORM
));
1737 ASSERT (CurrentForm
!= NULL
);
1738 CurrentForm
->Signature
= FORM_BROWSER_FORM_SIGNATURE
;
1739 InitializeListHead (&CurrentForm
->ExpressionListHead
);
1740 InitializeListHead (&CurrentForm
->StatementListHead
);
1741 InitializeListHead (&CurrentForm
->ConfigRequestHead
);
1742 InitializeListHead (&CurrentForm
->FormViewListHead
);
1744 CurrentForm
->FormType
= STANDARD_MAP_FORM_TYPE
;
1745 CopyMem (&CurrentForm
->FormId
, &((EFI_IFR_FORM
*) OpCodeData
)->FormId
, sizeof (UINT16
));
1746 CopyMem (&CurrentForm
->FormTitle
, &((EFI_IFR_FORM
*) OpCodeData
)->FormTitle
, sizeof (EFI_STRING_ID
));
1748 ConditionalExprCount
= GetConditionalExpressionCount(ExpressForm
);
1749 if ( ConditionalExprCount
> 0) {
1751 // Form is inside of suppressif
1753 CurrentForm
->SuppressExpression
= (FORM_EXPRESSION_LIST
*) AllocatePool(
1754 (UINTN
) (sizeof(FORM_EXPRESSION_LIST
) + ((ConditionalExprCount
-1) * sizeof(FORM_EXPRESSION
*))));
1755 ASSERT (CurrentForm
->SuppressExpression
!= NULL
);
1756 CurrentForm
->SuppressExpression
->Count
= (UINTN
) ConditionalExprCount
;
1757 CurrentForm
->SuppressExpression
->Signature
= FORM_EXPRESSION_LIST_SIGNATURE
;
1758 CopyMem (CurrentForm
->SuppressExpression
->Expression
, GetConditionalExpressionList(ExpressForm
), (UINTN
) (sizeof (FORM_EXPRESSION
*) * ConditionalExprCount
));
1763 // Enter scope of a Form, suppressif will be used for Question or Option
1765 SuppressForQuestion
= TRUE
;
1769 // Insert into Form list of this FormSet
1771 InsertTailList (&FormSet
->FormListHead
, &CurrentForm
->Link
);
1774 case EFI_IFR_FORM_MAP_OP
:
1776 // Create a new Form for this FormSet
1778 CurrentForm
= AllocateZeroPool (sizeof (FORM_BROWSER_FORM
));
1779 ASSERT (CurrentForm
!= NULL
);
1780 CurrentForm
->Signature
= FORM_BROWSER_FORM_SIGNATURE
;
1781 InitializeListHead (&CurrentForm
->ExpressionListHead
);
1782 InitializeListHead (&CurrentForm
->StatementListHead
);
1783 InitializeListHead (&CurrentForm
->ConfigRequestHead
);
1784 InitializeListHead (&CurrentForm
->FormViewListHead
);
1786 CopyMem (&CurrentForm
->FormId
, &((EFI_IFR_FORM
*) OpCodeData
)->FormId
, sizeof (UINT16
));
1788 MapMethod
= (EFI_IFR_FORM_MAP_METHOD
*) (OpCodeData
+ sizeof (EFI_IFR_FORM_MAP
));
1790 // FormMap Form must contain at least one Map Method.
1792 if (((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
< ((UINTN
) (UINT8
*) (MapMethod
+ 1) - (UINTN
) OpCodeData
)) {
1793 return EFI_INVALID_PARAMETER
;
1796 // Try to find the standard form map method.
1798 while (((UINTN
) (UINT8
*) MapMethod
- (UINTN
) OpCodeData
) < ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
) {
1799 if (CompareGuid ((EFI_GUID
*) (VOID
*) &MapMethod
->MethodIdentifier
, &gEfiHiiStandardFormGuid
)) {
1800 CopyMem (&CurrentForm
->FormTitle
, &MapMethod
->MethodTitle
, sizeof (EFI_STRING_ID
));
1801 CurrentForm
->FormType
= STANDARD_MAP_FORM_TYPE
;
1807 // If the standard form map method is not found, the first map method title will be used.
1809 if (CurrentForm
->FormTitle
== 0) {
1810 MapMethod
= (EFI_IFR_FORM_MAP_METHOD
*) (OpCodeData
+ sizeof (EFI_IFR_FORM_MAP
));
1811 CopyMem (&CurrentForm
->FormTitle
, &MapMethod
->MethodTitle
, sizeof (EFI_STRING_ID
));
1814 ConditionalExprCount
= GetConditionalExpressionCount(ExpressForm
);
1815 if ( ConditionalExprCount
> 0) {
1817 // Form is inside of suppressif
1819 CurrentForm
->SuppressExpression
= (FORM_EXPRESSION_LIST
*) AllocatePool(
1820 (UINTN
) (sizeof(FORM_EXPRESSION_LIST
) + ((ConditionalExprCount
-1) * sizeof(FORM_EXPRESSION
*))));
1821 ASSERT (CurrentForm
->SuppressExpression
!= NULL
);
1822 CurrentForm
->SuppressExpression
->Count
= (UINTN
) ConditionalExprCount
;
1823 CurrentForm
->SuppressExpression
->Signature
= FORM_EXPRESSION_LIST_SIGNATURE
;
1824 CopyMem (CurrentForm
->SuppressExpression
->Expression
, GetConditionalExpressionList(ExpressForm
), (UINTN
) (sizeof (FORM_EXPRESSION
*) * ConditionalExprCount
));
1829 // Enter scope of a Form, suppressif will be used for Question or Option
1831 SuppressForQuestion
= TRUE
;
1835 // Insert into Form list of this FormSet
1837 InsertTailList (&FormSet
->FormListHead
, &CurrentForm
->Link
);
1843 case EFI_IFR_VARSTORE_OP
:
1845 // Create a buffer Storage for this FormSet
1847 Storage
= CreateStorage (FormSet
, EFI_HII_VARSTORE_BUFFER
, OpCodeData
);
1848 CopyMem (&Storage
->VarStoreId
, &((EFI_IFR_VARSTORE
*) OpCodeData
)->VarStoreId
, sizeof (EFI_VARSTORE_ID
));
1851 case EFI_IFR_VARSTORE_NAME_VALUE_OP
:
1853 // Create a name/value Storage for this FormSet
1855 Storage
= CreateStorage (FormSet
, EFI_HII_VARSTORE_NAME_VALUE
, OpCodeData
);
1856 CopyMem (&Storage
->VarStoreId
, &((EFI_IFR_VARSTORE_NAME_VALUE
*) OpCodeData
)->VarStoreId
, sizeof (EFI_VARSTORE_ID
));
1859 case EFI_IFR_VARSTORE_EFI_OP
:
1861 // Create a EFI variable Storage for this FormSet
1863 if (OpCodeLength
< sizeof (EFI_IFR_VARSTORE_EFI
)) {
1865 // Create efi varstore with format follow UEFI spec before 2.3.1.
1867 Storage
= CreateStorage (FormSet
, EFI_HII_VARSTORE_EFI_VARIABLE
, OpCodeData
);
1870 // Create efi varstore with format follow UEFI spec 2.3.1 and later.
1872 Storage
= CreateStorage (FormSet
, EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
, OpCodeData
);
1874 CopyMem (&Storage
->VarStoreId
, &((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->VarStoreId
, sizeof (EFI_VARSTORE_ID
));
1880 case EFI_IFR_DEFAULTSTORE_OP
:
1881 HaveInserted
= FALSE
;
1882 DefaultStore
= AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE
));
1883 ASSERT (DefaultStore
!= NULL
);
1884 DefaultStore
->Signature
= FORMSET_DEFAULTSTORE_SIGNATURE
;
1886 CopyMem (&DefaultStore
->DefaultId
, &((EFI_IFR_DEFAULTSTORE
*) OpCodeData
)->DefaultId
, sizeof (UINT16
));
1887 CopyMem (&DefaultStore
->DefaultName
, &((EFI_IFR_DEFAULTSTORE
*) OpCodeData
)->DefaultName
, sizeof (EFI_STRING_ID
));
1889 // Insert it to the DefaultStore list of this Formset with ascending order.
1891 if (!IsListEmpty (&FormSet
->DefaultStoreListHead
)) {
1892 DefaultLink
= GetFirstNode (&FormSet
->DefaultStoreListHead
);
1893 while (!IsNull (&FormSet
->DefaultStoreListHead
, DefaultLink
)) {
1894 PreDefaultStore
= FORMSET_DEFAULTSTORE_FROM_LINK(DefaultLink
);
1895 DefaultLink
= GetNextNode (&FormSet
->DefaultStoreListHead
, DefaultLink
);
1896 if (DefaultStore
->DefaultId
< PreDefaultStore
->DefaultId
) {
1897 InsertTailList (&PreDefaultStore
->Link
, &DefaultStore
->Link
);
1898 HaveInserted
= TRUE
;
1903 if (!HaveInserted
) {
1904 InsertTailList (&FormSet
->DefaultStoreListHead
, &DefaultStore
->Link
);
1911 case EFI_IFR_SUBTITLE_OP
:
1912 CurrentStatement
= CreateStatement (OpCodeData
, FormSet
, CurrentForm
);
1913 ASSERT (CurrentStatement
!= NULL
);
1915 CurrentStatement
->Flags
= ((EFI_IFR_SUBTITLE
*) OpCodeData
)->Flags
;
1916 CurrentStatement
->FakeQuestionId
= mUsedQuestionId
++;
1919 case EFI_IFR_TEXT_OP
:
1920 CurrentStatement
= CreateStatement (OpCodeData
, FormSet
, CurrentForm
);
1921 ASSERT (CurrentStatement
!= NULL
);
1922 CurrentStatement
->FakeQuestionId
= mUsedQuestionId
++;
1923 CopyMem (&CurrentStatement
->TextTwo
, &((EFI_IFR_TEXT
*) OpCodeData
)->TextTwo
, sizeof (EFI_STRING_ID
));
1926 case EFI_IFR_RESET_BUTTON_OP
:
1927 CurrentStatement
= CreateStatement (OpCodeData
, FormSet
, CurrentForm
);
1928 ASSERT (CurrentStatement
!= NULL
);
1929 CurrentStatement
->FakeQuestionId
= mUsedQuestionId
++;
1930 CopyMem (&CurrentStatement
->DefaultId
, &((EFI_IFR_RESET_BUTTON
*) OpCodeData
)->DefaultId
, sizeof (EFI_DEFAULT_ID
));
1936 case EFI_IFR_ACTION_OP
:
1937 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1938 ASSERT (CurrentStatement
!= NULL
);
1939 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_ACTION
;
1941 if (OpCodeLength
== sizeof (EFI_IFR_ACTION_1
)) {
1943 // No QuestionConfig present, so no configuration string will be processed
1945 CurrentStatement
->QuestionConfig
= 0;
1947 CopyMem (&CurrentStatement
->QuestionConfig
, &((EFI_IFR_ACTION
*) OpCodeData
)->QuestionConfig
, sizeof (EFI_STRING_ID
));
1951 case EFI_IFR_REF_OP
:
1952 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1953 ASSERT (CurrentStatement
!= NULL
);
1954 Value
= &CurrentStatement
->HiiValue
;
1955 Value
->Type
= EFI_IFR_TYPE_REF
;
1956 if (OpCodeLength
>= sizeof (EFI_IFR_REF
)) {
1957 CopyMem (&Value
->Value
.ref
.FormId
, &((EFI_IFR_REF
*) OpCodeData
)->FormId
, sizeof (EFI_FORM_ID
));
1959 if (OpCodeLength
>= sizeof (EFI_IFR_REF2
)) {
1960 CopyMem (&Value
->Value
.ref
.QuestionId
, &((EFI_IFR_REF2
*) OpCodeData
)->QuestionId
, sizeof (EFI_QUESTION_ID
));
1962 if (OpCodeLength
>= sizeof (EFI_IFR_REF3
)) {
1963 CopyMem (&Value
->Value
.ref
.FormSetGuid
, &((EFI_IFR_REF3
*) OpCodeData
)->FormSetId
, sizeof (EFI_GUID
));
1965 if (OpCodeLength
>= sizeof (EFI_IFR_REF4
)) {
1966 CopyMem (&Value
->Value
.ref
.DevicePath
, &((EFI_IFR_REF4
*) OpCodeData
)->DevicePath
, sizeof (EFI_STRING_ID
));
1971 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (EFI_HII_REF
);
1972 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
1975 case EFI_IFR_ONE_OF_OP
:
1976 case EFI_IFR_NUMERIC_OP
:
1977 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1978 ASSERT(CurrentStatement
!= NULL
);
1980 CurrentStatement
->Flags
= ((EFI_IFR_ONE_OF
*) OpCodeData
)->Flags
;
1981 Value
= &CurrentStatement
->HiiValue
;
1983 switch (CurrentStatement
->Flags
& EFI_IFR_NUMERIC_SIZE
) {
1984 case EFI_IFR_NUMERIC_SIZE_1
:
1985 CurrentStatement
->Minimum
= ((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u8
.MinValue
;
1986 CurrentStatement
->Maximum
= ((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u8
.MaxValue
;
1987 CurrentStatement
->Step
= ((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u8
.Step
;
1988 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (UINT8
);
1989 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_8
;
1992 case EFI_IFR_NUMERIC_SIZE_2
:
1993 CopyMem (&CurrentStatement
->Minimum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u16
.MinValue
, sizeof (UINT16
));
1994 CopyMem (&CurrentStatement
->Maximum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u16
.MaxValue
, sizeof (UINT16
));
1995 CopyMem (&CurrentStatement
->Step
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u16
.Step
, sizeof (UINT16
));
1996 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (UINT16
);
1997 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_16
;
2000 case EFI_IFR_NUMERIC_SIZE_4
:
2001 CopyMem (&CurrentStatement
->Minimum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u32
.MinValue
, sizeof (UINT32
));
2002 CopyMem (&CurrentStatement
->Maximum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u32
.MaxValue
, sizeof (UINT32
));
2003 CopyMem (&CurrentStatement
->Step
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u32
.Step
, sizeof (UINT32
));
2004 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (UINT32
);
2005 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_32
;
2008 case EFI_IFR_NUMERIC_SIZE_8
:
2009 CopyMem (&CurrentStatement
->Minimum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u64
.MinValue
, sizeof (UINT64
));
2010 CopyMem (&CurrentStatement
->Maximum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u64
.MaxValue
, sizeof (UINT64
));
2011 CopyMem (&CurrentStatement
->Step
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u64
.Step
, sizeof (UINT64
));
2012 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (UINT64
);
2013 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_64
;
2020 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
2022 if ((Operand
== EFI_IFR_ONE_OF_OP
) && Scope
!= 0) {
2023 SuppressForOption
= TRUE
;
2027 case EFI_IFR_ORDERED_LIST_OP
:
2028 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
2029 ASSERT(CurrentStatement
!= NULL
);
2031 CurrentStatement
->Flags
= ((EFI_IFR_ORDERED_LIST
*) OpCodeData
)->Flags
;
2032 CurrentStatement
->MaxContainers
= ((EFI_IFR_ORDERED_LIST
*) OpCodeData
)->MaxContainers
;
2034 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_BUFFER
;
2035 CurrentStatement
->BufferValue
= NULL
;
2038 SuppressForOption
= TRUE
;
2042 case EFI_IFR_CHECKBOX_OP
:
2043 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
2044 ASSERT(CurrentStatement
!= NULL
);
2046 CurrentStatement
->Flags
= ((EFI_IFR_CHECKBOX
*) OpCodeData
)->Flags
;
2047 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (BOOLEAN
);
2048 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_BOOLEAN
;
2050 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
2054 case EFI_IFR_STRING_OP
:
2055 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
2056 ASSERT (CurrentStatement
!= NULL
);
2058 // MinSize is the minimum number of characters that can be accepted for this opcode,
2059 // MaxSize is the maximum number of characters that can be accepted for this opcode.
2060 // The characters are stored as Unicode, so the storage width should multiply 2.
2062 CurrentStatement
->Minimum
= ((EFI_IFR_STRING
*) OpCodeData
)->MinSize
;
2063 CurrentStatement
->Maximum
= ((EFI_IFR_STRING
*) OpCodeData
)->MaxSize
;
2064 CurrentStatement
->StorageWidth
= (UINT16
)((UINTN
) CurrentStatement
->Maximum
* sizeof (CHAR16
));
2065 CurrentStatement
->Flags
= ((EFI_IFR_STRING
*) OpCodeData
)->Flags
;
2067 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_STRING
;
2068 CurrentStatement
->BufferValue
= AllocateZeroPool (CurrentStatement
->StorageWidth
+ sizeof (CHAR16
));
2069 CurrentStatement
->HiiValue
.Value
.string
= NewString ((CHAR16
*) CurrentStatement
->BufferValue
, FormSet
->HiiHandle
);
2071 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
2074 case EFI_IFR_PASSWORD_OP
:
2075 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
2076 ASSERT (CurrentStatement
!= NULL
);
2078 // MinSize is the minimum number of characters that can be accepted for this opcode,
2079 // MaxSize is the maximum number of characters that can be accepted for this opcode.
2080 // The characters are stored as Unicode, so the storage width should multiply 2.
2082 CopyMem (&CurrentStatement
->Minimum
, &((EFI_IFR_PASSWORD
*) OpCodeData
)->MinSize
, sizeof (UINT16
));
2083 CopyMem (&CurrentStatement
->Maximum
, &((EFI_IFR_PASSWORD
*) OpCodeData
)->MaxSize
, sizeof (UINT16
));
2084 CurrentStatement
->StorageWidth
= (UINT16
)((UINTN
) CurrentStatement
->Maximum
* sizeof (CHAR16
));
2086 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_STRING
;
2087 CurrentStatement
->BufferValue
= AllocateZeroPool ((CurrentStatement
->StorageWidth
+ sizeof (CHAR16
)));
2088 CurrentStatement
->HiiValue
.Value
.string
= NewString ((CHAR16
*) CurrentStatement
->BufferValue
, FormSet
->HiiHandle
);
2090 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
2093 case EFI_IFR_DATE_OP
:
2094 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
2095 ASSERT(CurrentStatement
!= NULL
);
2097 CurrentStatement
->Flags
= ((EFI_IFR_DATE
*) OpCodeData
)->Flags
;
2098 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_DATE
;
2100 if ((CurrentStatement
->Flags
& EFI_QF_DATE_STORAGE
) == QF_DATE_STORAGE_NORMAL
) {
2101 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (EFI_HII_DATE
);
2103 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
2106 // Don't assign storage for RTC type of date/time
2108 CurrentStatement
->Storage
= NULL
;
2109 CurrentStatement
->StorageWidth
= 0;
2113 case EFI_IFR_TIME_OP
:
2114 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
2115 ASSERT(CurrentStatement
!= NULL
);
2117 CurrentStatement
->Flags
= ((EFI_IFR_TIME
*) OpCodeData
)->Flags
;
2118 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_TIME
;
2120 if ((CurrentStatement
->Flags
& QF_TIME_STORAGE
) == QF_TIME_STORAGE_NORMAL
) {
2121 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (EFI_HII_TIME
);
2123 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
2126 // Don't assign storage for RTC type of date/time
2128 CurrentStatement
->Storage
= NULL
;
2129 CurrentStatement
->StorageWidth
= 0;
2136 case EFI_IFR_DEFAULT_OP
:
2138 // EFI_IFR_DEFAULT appear in scope of a Question,
2139 // It creates a default value for the current question.
2140 // A Question may have more than one Default value which have different default types.
2142 CurrentDefault
= AllocateZeroPool (sizeof (QUESTION_DEFAULT
));
2143 ASSERT (CurrentDefault
!= NULL
);
2144 CurrentDefault
->Signature
= QUESTION_DEFAULT_SIGNATURE
;
2146 CurrentDefault
->Value
.Type
= ((EFI_IFR_DEFAULT
*) OpCodeData
)->Type
;
2147 CopyMem (&CurrentDefault
->DefaultId
, &((EFI_IFR_DEFAULT
*) OpCodeData
)->DefaultId
, sizeof (UINT16
));
2148 if (CurrentDefault
->Value
.Type
== EFI_IFR_TYPE_BUFFER
) {
2149 CurrentDefault
->Value
.BufferLen
= (UINT16
) (OpCodeLength
- OFFSET_OF (EFI_IFR_DEFAULT
, Value
));
2150 CurrentDefault
->Value
.Buffer
= AllocateCopyPool (CurrentDefault
->Value
.BufferLen
, &((EFI_IFR_DEFAULT
*) OpCodeData
)->Value
);
2151 ASSERT (CurrentDefault
->Value
.Buffer
!= NULL
);
2153 CopyMem (&CurrentDefault
->Value
.Value
, &((EFI_IFR_DEFAULT
*) OpCodeData
)->Value
, OpCodeLength
- OFFSET_OF (EFI_IFR_DEFAULT
, Value
));
2154 ExtendValueToU64 (&CurrentDefault
->Value
);
2158 // Insert to Default Value list of current Question
2160 InsertTailList (&ParentStatement
->DefaultListHead
, &CurrentDefault
->Link
);
2163 InScopeDefault
= TRUE
;
2170 case EFI_IFR_ONE_OF_OPTION_OP
:
2171 ASSERT (ParentStatement
!= NULL
);
2172 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)) {
2174 // It's keep the default value for ordered list opcode.
2176 CurrentDefault
= AllocateZeroPool (sizeof (QUESTION_DEFAULT
));
2177 ASSERT (CurrentDefault
!= NULL
);
2178 CurrentDefault
->Signature
= QUESTION_DEFAULT_SIGNATURE
;
2180 CurrentDefault
->Value
.Type
= EFI_IFR_TYPE_BUFFER
;
2181 if ((((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Flags
& EFI_IFR_OPTION_DEFAULT
) != 0) {
2182 CurrentDefault
->DefaultId
= EFI_HII_DEFAULT_CLASS_STANDARD
;
2184 CurrentDefault
->DefaultId
= EFI_HII_DEFAULT_CLASS_MANUFACTURING
;
2187 CurrentDefault
->Value
.BufferLen
= (UINT16
) (OpCodeLength
- OFFSET_OF (EFI_IFR_ONE_OF_OPTION
, Value
));
2188 CurrentDefault
->Value
.Buffer
= AllocateCopyPool (CurrentDefault
->Value
.BufferLen
, &((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Value
);
2189 ASSERT (CurrentDefault
->Value
.Buffer
!= NULL
);
2192 // Insert to Default Value list of current Question
2194 InsertTailList (&ParentStatement
->DefaultListHead
, &CurrentDefault
->Link
);
2199 // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.
2200 // It create a selection for use in current Question.
2202 CurrentOption
= AllocateZeroPool (sizeof (QUESTION_OPTION
));
2203 ASSERT (CurrentOption
!= NULL
);
2204 CurrentOption
->Signature
= QUESTION_OPTION_SIGNATURE
;
2205 CurrentOption
->OpCode
= (EFI_IFR_ONE_OF_OPTION
*) OpCodeData
;
2207 CurrentOption
->Flags
= ((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Flags
;
2208 CurrentOption
->Value
.Type
= ((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Type
;
2209 CopyMem (&CurrentOption
->Text
, &((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Option
, sizeof (EFI_STRING_ID
));
2210 CopyMem (&CurrentOption
->Value
.Value
, &((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Value
, OpCodeLength
- OFFSET_OF (EFI_IFR_ONE_OF_OPTION
, Value
));
2211 ExtendValueToU64 (&CurrentOption
->Value
);
2213 ConditionalExprCount
= GetConditionalExpressionCount(ExpressOption
);
2214 if ( ConditionalExprCount
> 0) {
2216 // Form is inside of suppressif
2218 CurrentOption
->SuppressExpression
= (FORM_EXPRESSION_LIST
*) AllocatePool(
2219 (UINTN
) (sizeof(FORM_EXPRESSION_LIST
) + ((ConditionalExprCount
-1) * sizeof(FORM_EXPRESSION
*))));
2220 ASSERT (CurrentOption
->SuppressExpression
!= NULL
);
2221 CurrentOption
->SuppressExpression
->Count
= (UINTN
) ConditionalExprCount
;
2222 CurrentOption
->SuppressExpression
->Signature
= FORM_EXPRESSION_LIST_SIGNATURE
;
2223 CopyMem (CurrentOption
->SuppressExpression
->Expression
, GetConditionalExpressionList(ExpressOption
), (UINTN
) (sizeof (FORM_EXPRESSION
*) * ConditionalExprCount
));
2227 // Insert to Option list of current Question
2229 InsertTailList (&ParentStatement
->OptionListHead
, &CurrentOption
->Link
);
2231 // Now we know the Storage width of nested Ordered List
2233 if ((ParentStatement
->Operand
== EFI_IFR_ORDERED_LIST_OP
) && (ParentStatement
->BufferValue
== NULL
)) {
2235 switch (CurrentOption
->Value
.Type
) {
2236 case EFI_IFR_TYPE_NUM_SIZE_8
:
2240 case EFI_IFR_TYPE_NUM_SIZE_16
:
2244 case EFI_IFR_TYPE_NUM_SIZE_32
:
2248 case EFI_IFR_TYPE_NUM_SIZE_64
:
2254 // Invalid type for Ordered List
2259 ParentStatement
->StorageWidth
= (UINT16
) (ParentStatement
->MaxContainers
* Width
);
2260 ParentStatement
->BufferValue
= AllocateZeroPool (ParentStatement
->StorageWidth
);
2261 ParentStatement
->ValueType
= CurrentOption
->Value
.Type
;
2262 if (ParentStatement
->HiiValue
.Type
== EFI_IFR_TYPE_BUFFER
) {
2263 ParentStatement
->HiiValue
.Buffer
= ParentStatement
->BufferValue
;
2264 ParentStatement
->HiiValue
.BufferLen
= ParentStatement
->StorageWidth
;
2267 InitializeRequestElement (FormSet
, ParentStatement
, CurrentForm
);
2274 case EFI_IFR_NO_SUBMIT_IF_OP
:
2275 case EFI_IFR_INCONSISTENT_IF_OP
:
2277 // Create an Expression node
2279 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2280 CopyMem (&CurrentExpression
->Error
, &((EFI_IFR_INCONSISTENT_IF
*) OpCodeData
)->Error
, sizeof (EFI_STRING_ID
));
2282 if (Operand
== EFI_IFR_NO_SUBMIT_IF_OP
) {
2283 CurrentExpression
->Type
= EFI_HII_EXPRESSION_NO_SUBMIT_IF
;
2284 InsertTailList (&ParentStatement
->NoSubmitListHead
, &CurrentExpression
->Link
);
2286 CurrentExpression
->Type
= EFI_HII_EXPRESSION_INCONSISTENT_IF
;
2287 InsertTailList (&ParentStatement
->InconsistentListHead
, &CurrentExpression
->Link
);
2291 // Take a look at next OpCode to see whether current expression consists
2294 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2295 SingleOpCodeExpression
= TRUE
;
2299 case EFI_IFR_WARNING_IF_OP
:
2301 // Create an Expression node
2303 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2304 CopyMem (&CurrentExpression
->Error
, &((EFI_IFR_WARNING_IF
*) OpCodeData
)->Warning
, sizeof (EFI_STRING_ID
));
2305 CurrentExpression
->TimeOut
= ((EFI_IFR_WARNING_IF
*) OpCodeData
)->TimeOut
;
2306 CurrentExpression
->Type
= EFI_HII_EXPRESSION_WARNING_IF
;
2307 InsertTailList (&ParentStatement
->WarningListHead
, &CurrentExpression
->Link
);
2310 // Take a look at next OpCode to see whether current expression consists
2313 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2314 SingleOpCodeExpression
= TRUE
;
2318 case EFI_IFR_SUPPRESS_IF_OP
:
2320 // Question and Option will appear in scope of this OpCode
2322 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2323 CurrentExpression
->Type
= EFI_HII_EXPRESSION_SUPPRESS_IF
;
2325 if (CurrentForm
== NULL
) {
2326 InsertTailList (&FormSet
->ExpressionListHead
, &CurrentExpression
->Link
);
2328 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2331 if (SuppressForOption
) {
2332 PushConditionalExpression(CurrentExpression
, ExpressOption
);
2333 } else if (SuppressForQuestion
) {
2334 PushConditionalExpression(CurrentExpression
, ExpressStatement
);
2336 PushConditionalExpression(CurrentExpression
, ExpressForm
);
2340 // Take a look at next OpCode to see whether current expression consists
2343 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2344 SingleOpCodeExpression
= TRUE
;
2348 case EFI_IFR_GRAY_OUT_IF_OP
:
2350 // Questions will appear in scope of this OpCode
2352 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2353 CurrentExpression
->Type
= EFI_HII_EXPRESSION_GRAY_OUT_IF
;
2354 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2355 PushConditionalExpression(CurrentExpression
, ExpressStatement
);
2358 // Take a look at next OpCode to see whether current expression consists
2361 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2362 SingleOpCodeExpression
= TRUE
;
2366 case EFI_IFR_DISABLE_IF_OP
:
2368 // The DisableIf expression should only rely on constant, so it could be
2369 // evaluated at initialization and it will not be queued
2371 CurrentExpression
= AllocateZeroPool (sizeof (FORM_EXPRESSION
));
2372 ASSERT (CurrentExpression
!= NULL
);
2373 CurrentExpression
->Signature
= FORM_EXPRESSION_SIGNATURE
;
2374 CurrentExpression
->Type
= EFI_HII_EXPRESSION_DISABLE_IF
;
2375 InitializeListHead (&CurrentExpression
->OpCodeListHead
);
2377 if (CurrentForm
!= NULL
) {
2379 // This is DisableIf for Question, enqueue it to Form expression list
2381 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2382 PushConditionalExpression(CurrentExpression
, ExpressStatement
);
2385 OpCodeDisabled
= FALSE
;
2386 InScopeDisable
= TRUE
;
2388 // Take a look at next OpCode to see whether current expression consists
2391 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2392 SingleOpCodeExpression
= TRUE
;
2399 case EFI_IFR_VALUE_OP
:
2400 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2401 CurrentExpression
->Type
= EFI_HII_EXPRESSION_VALUE
;
2402 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2404 if (InScopeDefault
) {
2406 // Used for default (EFI_IFR_DEFAULT)
2408 CurrentDefault
->ValueExpression
= CurrentExpression
;
2411 // If used for a question, then the question will be read-only
2414 // Make sure CurrentStatement is not NULL.
2415 // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
2416 // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
2418 ASSERT (ParentStatement
!= NULL
);
2419 ParentStatement
->ValueExpression
= CurrentExpression
;
2423 // Take a look at next OpCode to see whether current expression consists
2426 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2427 SingleOpCodeExpression
= TRUE
;
2431 case EFI_IFR_RULE_OP
:
2432 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2433 CurrentExpression
->Type
= EFI_HII_EXPRESSION_RULE
;
2435 CurrentExpression
->RuleId
= ((EFI_IFR_RULE
*) OpCodeData
)->RuleId
;
2436 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2439 // Take a look at next OpCode to see whether current expression consists
2442 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2443 SingleOpCodeExpression
= TRUE
;
2447 case EFI_IFR_READ_OP
:
2448 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2449 CurrentExpression
->Type
= EFI_HII_EXPRESSION_READ
;
2450 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2453 // Make sure CurrentStatement is not NULL.
2454 // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
2455 // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
2457 ASSERT (ParentStatement
!= NULL
);
2458 ParentStatement
->ReadExpression
= CurrentExpression
;
2461 // Take a look at next OpCode to see whether current expression consists
2464 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2465 SingleOpCodeExpression
= TRUE
;
2469 case EFI_IFR_WRITE_OP
:
2470 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2471 CurrentExpression
->Type
= EFI_HII_EXPRESSION_WRITE
;
2472 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2475 // Make sure CurrentStatement is not NULL.
2476 // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
2477 // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
2479 ASSERT (ParentStatement
!= NULL
);
2480 ParentStatement
->WriteExpression
= CurrentExpression
;
2483 // Take a look at next OpCode to see whether current expression consists
2486 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2487 SingleOpCodeExpression
= TRUE
;
2494 case EFI_IFR_IMAGE_OP
:
2496 // Get ScopeOpcode from top of stack
2498 PopScope (&ScopeOpCode
);
2499 PushScope (ScopeOpCode
);
2501 switch (ScopeOpCode
) {
2502 case EFI_IFR_FORM_SET_OP
:
2503 ImageId
= &FormSet
->ImageId
;
2506 case EFI_IFR_FORM_OP
:
2507 case EFI_IFR_FORM_MAP_OP
:
2508 ASSERT (CurrentForm
!= NULL
);
2509 ImageId
= &CurrentForm
->ImageId
;
2512 case EFI_IFR_ONE_OF_OPTION_OP
:
2513 ASSERT (CurrentOption
!= NULL
);
2514 ImageId
= &CurrentOption
->ImageId
;
2519 // Make sure CurrentStatement is not NULL.
2520 // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
2521 // file is wrongly generated by tools such as VFR Compiler.
2523 ASSERT (ParentStatement
!= NULL
);
2524 ImageId
= &ParentStatement
->ImageId
;
2528 ASSERT (ImageId
!= NULL
);
2529 CopyMem (ImageId
, &((EFI_IFR_IMAGE
*) OpCodeData
)->Id
, sizeof (EFI_IMAGE_ID
));
2535 case EFI_IFR_REFRESH_OP
:
2536 ASSERT (ParentStatement
!= NULL
);
2537 ParentStatement
->RefreshInterval
= ((EFI_IFR_REFRESH
*) OpCodeData
)->RefreshInterval
;
2543 case EFI_IFR_REFRESH_ID_OP
:
2545 // Get ScopeOpcode from top of stack
2547 PopScope (&ScopeOpCode
);
2548 PushScope (ScopeOpCode
);
2550 switch (ScopeOpCode
) {
2551 case EFI_IFR_FORM_OP
:
2552 case EFI_IFR_FORM_MAP_OP
:
2553 ASSERT (CurrentForm
!= NULL
);
2554 CopyMem (&CurrentForm
->RefreshGuid
, &((EFI_IFR_REFRESH_ID
*) OpCodeData
)->RefreshEventGroupId
, sizeof (EFI_GUID
));
2558 ASSERT (ParentStatement
!= NULL
);
2559 CopyMem (&ParentStatement
->RefreshGuid
, &((EFI_IFR_REFRESH_ID
*) OpCodeData
)->RefreshEventGroupId
, sizeof (EFI_GUID
));
2567 case EFI_IFR_MODAL_TAG_OP
:
2568 ASSERT (CurrentForm
!= NULL
);
2569 CurrentForm
->ModalForm
= TRUE
;
2573 // Lock tag, used by form and statement.
2575 case EFI_IFR_LOCKED_OP
:
2577 // Get ScopeOpcode from top of stack
2579 PopScope (&ScopeOpCode
);
2580 PushScope (ScopeOpCode
);
2581 switch (ScopeOpCode
) {
2582 case EFI_IFR_FORM_OP
:
2583 case EFI_IFR_FORM_MAP_OP
:
2584 ASSERT (CurrentForm
!= NULL
);
2585 CurrentForm
->Locked
= TRUE
;
2589 ASSERT (ParentStatement
!= NULL
);
2590 ParentStatement
->Locked
= TRUE
;
2597 case EFI_IFR_GUID_OP
:
2598 CurrentStatement
= CreateStatement (OpCodeData
, FormSet
, CurrentForm
);
2604 case EFI_IFR_END_OP
:
2605 Status
= PopScope (&ScopeOpCode
);
2606 if (EFI_ERROR (Status
)) {
2612 // Parent statement end tag found, update ParentStatement info.
2614 if (IsStatementOpCode(ScopeOpCode
) && (ParentStatement
!= NULL
) && (ParentStatement
->Operand
== ScopeOpCode
)) {
2615 ParentStatement
= ParentStatement
->ParentStatement
;
2618 switch (ScopeOpCode
) {
2619 case EFI_IFR_FORM_SET_OP
:
2621 // End of FormSet, update FormSet IFR binary length
2622 // to stop parsing substantial OpCodes
2624 FormSet
->IfrBinaryLength
= OpCodeOffset
;
2627 case EFI_IFR_FORM_OP
:
2628 case EFI_IFR_FORM_MAP_OP
:
2633 SuppressForQuestion
= FALSE
;
2636 case EFI_IFR_ONE_OF_OPTION_OP
:
2640 CurrentOption
= NULL
;
2643 case EFI_IFR_NO_SUBMIT_IF_OP
:
2644 case EFI_IFR_INCONSISTENT_IF_OP
:
2645 case EFI_IFR_WARNING_IF_OP
:
2647 // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF
2651 case EFI_IFR_SUPPRESS_IF_OP
:
2652 if (SuppressForOption
) {
2653 PopConditionalExpression(ExpressOption
);
2654 } else if (SuppressForQuestion
) {
2655 PopConditionalExpression(ExpressStatement
);
2657 PopConditionalExpression(ExpressForm
);
2661 case EFI_IFR_GRAY_OUT_IF_OP
:
2662 PopConditionalExpression(ExpressStatement
);
2665 case EFI_IFR_DISABLE_IF_OP
:
2666 if (CurrentForm
!= NULL
) {
2667 PopConditionalExpression(ExpressStatement
);
2669 InScopeDisable
= FALSE
;
2670 OpCodeDisabled
= FALSE
;
2673 case EFI_IFR_ONE_OF_OP
:
2674 case EFI_IFR_ORDERED_LIST_OP
:
2675 SuppressForOption
= FALSE
;
2678 case EFI_IFR_DEFAULT_OP
:
2679 InScopeDefault
= FALSE
;
2682 case EFI_IFR_MAP_OP
:
2684 // Get current Map Expression List.
2686 Status
= PopMapExpressionList ((VOID
**) &MapExpressionList
);
2687 if (Status
== EFI_ACCESS_DENIED
) {
2688 MapExpressionList
= NULL
;
2691 // Get current expression.
2693 Status
= PopCurrentExpression ((VOID
**) &CurrentExpression
);
2694 ASSERT_EFI_ERROR (Status
);
2695 ASSERT (MapScopeDepth
> 0);
2700 if (IsExpressionOpCode (ScopeOpCode
)) {
2701 if (InScopeDisable
&& CurrentForm
== NULL
) {
2703 // This is DisableIf expression for Form, it should be a constant expression
2705 ASSERT (CurrentExpression
!= NULL
);
2706 Status
= EvaluateExpression (FormSet
, CurrentForm
, CurrentExpression
);
2707 if (EFI_ERROR (Status
)) {
2711 OpCodeDisabled
= IsTrue (&CurrentExpression
->Result
);
2714 // DisableIf Expression is only used once and not queued, free it
2716 DestroyExpression (CurrentExpression
);
2720 // End of current Expression
2722 CurrentExpression
= NULL
;
2732 if (IsStatementOpCode(Operand
)) {
2733 CurrentStatement
->ParentStatement
= ParentStatement
;
2736 // Scope != 0, other statements or options may nest in this statement.
2737 // Update the ParentStatement info.
2739 ParentStatement
= CurrentStatement
;