2 Parser for IFR binary encoding.
4 Copyright (c) 2007 - 2014, 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 FormSe.
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 BROWSER_STORAGE
*Storage
328 if (Storage
->Type
== EFI_HII_VARSTORE_BUFFER
||
329 Storage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
) {
330 Name
= Storage
->Name
;
335 Storage
->ConfigHdr
= HiiConstructConfigHdr (
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 Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.
457 @param FormSet Pointer of the current FormSet
458 @param StorageType Storage type.
459 @param OpCodeData Binary data for this opcode.
461 @return Pointer to a FORMSET_STORAGE data structure.
466 IN FORM_BROWSER_FORMSET
*FormSet
,
467 IN UINT8 StorageType
,
471 FORMSET_STORAGE
*Storage
;
472 CHAR16
*UnicodeString
;
474 BROWSER_STORAGE
*BrowserStorage
;
475 EFI_GUID
*StorageGuid
;
478 UnicodeString
= NULL
;
480 switch (StorageType
) {
481 case EFI_HII_VARSTORE_BUFFER
:
482 StorageGuid
= (EFI_GUID
*) (CHAR8
*) &((EFI_IFR_VARSTORE
*) OpCodeData
)->Guid
;
483 StorageName
= (CHAR8
*) ((EFI_IFR_VARSTORE
*) OpCodeData
)->Name
;
486 case EFI_HII_VARSTORE_EFI_VARIABLE
:
487 case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
:
488 StorageGuid
= (EFI_GUID
*) (CHAR8
*) &((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->Guid
;
489 StorageName
= (CHAR8
*) ((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->Name
;
493 ASSERT (StorageType
== EFI_HII_VARSTORE_NAME_VALUE
);
494 StorageGuid
= &((EFI_IFR_VARSTORE_NAME_VALUE
*) OpCodeData
)->Guid
;
498 if (StorageType
!= EFI_HII_VARSTORE_NAME_VALUE
) {
499 ASSERT (StorageName
!= NULL
);
501 UnicodeString
= AllocateZeroPool (AsciiStrSize (StorageName
) * 2);
502 ASSERT (UnicodeString
!= NULL
);
503 for (Index
= 0; StorageName
[Index
] != 0; Index
++) {
504 UnicodeString
[Index
] = (CHAR16
) StorageName
[Index
];
508 Storage
= AllocateZeroPool (sizeof (FORMSET_STORAGE
));
509 ASSERT (Storage
!= NULL
);
510 Storage
->Signature
= FORMSET_STORAGE_SIGNATURE
;
511 InsertTailList (&FormSet
->StorageListHead
, &Storage
->Link
);
513 BrowserStorage
= FindStorageInList(StorageType
, StorageGuid
, UnicodeString
, FormSet
->HiiHandle
);
514 if (BrowserStorage
== NULL
) {
515 BrowserStorage
= AllocateZeroPool (sizeof (BROWSER_STORAGE
));
516 ASSERT (BrowserStorage
!= NULL
);
518 BrowserStorage
->Signature
= BROWSER_STORAGE_SIGNATURE
;
519 InsertTailList (&gBrowserStorageList
, &BrowserStorage
->Link
);
521 IntializeBrowserStorage (BrowserStorage
, StorageType
, OpCodeData
);
522 BrowserStorage
->Type
= StorageType
;
523 if (StorageType
!= EFI_HII_VARSTORE_NAME_VALUE
) {
524 BrowserStorage
->Name
= UnicodeString
;
527 BrowserStorage
->HiiHandle
= FormSet
->HiiHandle
;
528 InitializeConfigHdr (FormSet
, BrowserStorage
);
530 BrowserStorage
->Initialized
= FALSE
;
533 Storage
->BrowserStorage
= BrowserStorage
;
534 Storage
->ConfigRequest
= AllocateCopyPool (StrSize (BrowserStorage
->ConfigHdr
), BrowserStorage
->ConfigHdr
);
535 Storage
->SpareStrLen
= 0;
541 Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>
543 @param FormSet Pointer of the current FormSet.
544 @param Question The Question to be initialized.
545 @param Form Pointer of the current form.
547 @retval EFI_SUCCESS Function success.
548 @retval EFI_INVALID_PARAMETER No storage associated with the Question.
552 InitializeRequestElement (
553 IN OUT FORM_BROWSER_FORMSET
*FormSet
,
554 IN OUT FORM_BROWSER_STATEMENT
*Question
,
555 IN OUT FORM_BROWSER_FORM
*Form
558 BROWSER_STORAGE
*Storage
;
559 FORMSET_STORAGE
*FormsetStorage
;
563 CHAR16 RequestElement
[30];
566 FORM_BROWSER_CONFIG_REQUEST
*ConfigInfo
;
568 Storage
= Question
->Storage
;
569 if (Storage
== NULL
) {
570 return EFI_INVALID_PARAMETER
;
573 if (Storage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE
) {
575 // <ConfigRequest> is unnecessary for EFI variable storage,
576 // GetVariable()/SetVariable() will be used to retrieve/save values
582 // Prepare <RequestElement>
584 if (Storage
->Type
== EFI_HII_VARSTORE_BUFFER
||
585 Storage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
) {
586 StrLen
= UnicodeSPrint (
588 30 * sizeof (CHAR16
),
589 L
"&OFFSET=%04x&WIDTH=%04x",
590 Question
->VarStoreInfo
.VarOffset
,
591 Question
->StorageWidth
593 Question
->BlockName
= AllocateCopyPool ((StrLen
+ 1) * sizeof (CHAR16
), RequestElement
);
595 StrLen
= UnicodeSPrint (RequestElement
, 30 * sizeof (CHAR16
), L
"&%s", Question
->VariableName
);
598 if ((Question
->Operand
== EFI_IFR_PASSWORD_OP
) && ((Question
->QuestionFlags
& EFI_IFR_FLAG_CALLBACK
) == EFI_IFR_FLAG_CALLBACK
)) {
600 // Password with CALLBACK flag is stored in encoded format,
601 // so don't need to append it to <ConfigRequest>
607 // Find Formset Storage for this Question
609 FormsetStorage
= NULL
;
610 Link
= GetFirstNode (&FormSet
->StorageListHead
);
611 while (!IsNull (&FormSet
->StorageListHead
, Link
)) {
612 FormsetStorage
= FORMSET_STORAGE_FROM_LINK (Link
);
614 if (FormsetStorage
->VarStoreId
== Question
->VarStoreId
) {
618 Link
= GetNextNode (&FormSet
->StorageListHead
, Link
);
620 ASSERT (FormsetStorage
!= NULL
);
623 // Append <RequestElement> to <ConfigRequest>
625 if (StrLen
> FormsetStorage
->SpareStrLen
) {
627 // Old String buffer is not sufficient for RequestElement, allocate a new one
629 StringSize
= (FormsetStorage
->ConfigRequest
!= NULL
) ? StrSize (FormsetStorage
->ConfigRequest
) : sizeof (CHAR16
);
630 NewStr
= AllocateZeroPool (StringSize
+ CONFIG_REQUEST_STRING_INCREMENTAL
* sizeof (CHAR16
));
631 ASSERT (NewStr
!= NULL
);
632 if (FormsetStorage
->ConfigRequest
!= NULL
) {
633 CopyMem (NewStr
, FormsetStorage
->ConfigRequest
, StringSize
);
634 FreePool (FormsetStorage
->ConfigRequest
);
636 FormsetStorage
->ConfigRequest
= NewStr
;
637 FormsetStorage
->SpareStrLen
= CONFIG_REQUEST_STRING_INCREMENTAL
;
640 StrCat (FormsetStorage
->ConfigRequest
, RequestElement
);
641 FormsetStorage
->ElementCount
++;
642 FormsetStorage
->SpareStrLen
-= StrLen
;
645 // Update the Config Request info saved in the form.
649 Link
= GetFirstNode (&Form
->ConfigRequestHead
);
650 while (!IsNull (&Form
->ConfigRequestHead
, Link
)) {
651 ConfigInfo
= FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link
);
653 if (ConfigInfo
!= NULL
&& ConfigInfo
->Storage
== Storage
) {
658 Link
= GetNextNode (&Form
->ConfigRequestHead
, Link
);
662 ConfigInfo
= AllocateZeroPool(sizeof (FORM_BROWSER_CONFIG_REQUEST
));
663 ASSERT (ConfigInfo
!= NULL
);
664 ConfigInfo
->Signature
= FORM_BROWSER_CONFIG_REQUEST_SIGNATURE
;
665 ConfigInfo
->ConfigRequest
= AllocateCopyPool (StrSize (Storage
->ConfigHdr
), Storage
->ConfigHdr
);
666 ASSERT (ConfigInfo
->ConfigRequest
!= NULL
);
667 ConfigInfo
->SpareStrLen
= 0;
668 ConfigInfo
->Storage
= Storage
;
669 InsertTailList(&Form
->ConfigRequestHead
, &ConfigInfo
->Link
);
673 // Append <RequestElement> to <ConfigRequest>
675 if (StrLen
> ConfigInfo
->SpareStrLen
) {
677 // Old String buffer is not sufficient for RequestElement, allocate a new one
679 StringSize
= (ConfigInfo
->ConfigRequest
!= NULL
) ? StrSize (ConfigInfo
->ConfigRequest
) : sizeof (CHAR16
);
680 NewStr
= AllocateZeroPool (StringSize
+ CONFIG_REQUEST_STRING_INCREMENTAL
* sizeof (CHAR16
));
681 ASSERT (NewStr
!= NULL
);
682 if (ConfigInfo
->ConfigRequest
!= NULL
) {
683 CopyMem (NewStr
, ConfigInfo
->ConfigRequest
, StringSize
);
684 FreePool (ConfigInfo
->ConfigRequest
);
686 ConfigInfo
->ConfigRequest
= NewStr
;
687 ConfigInfo
->SpareStrLen
= CONFIG_REQUEST_STRING_INCREMENTAL
;
690 StrCat (ConfigInfo
->ConfigRequest
, RequestElement
);
691 ConfigInfo
->ElementCount
++;
692 ConfigInfo
->SpareStrLen
-= StrLen
;
698 Free resources of a Expression.
700 @param FormSet Pointer of the Expression
705 IN FORM_EXPRESSION
*Expression
709 EXPRESSION_OPCODE
*OpCode
;
710 LIST_ENTRY
*SubExpressionLink
;
711 FORM_EXPRESSION
*SubExpression
;
713 while (!IsListEmpty (&Expression
->OpCodeListHead
)) {
714 Link
= GetFirstNode (&Expression
->OpCodeListHead
);
715 OpCode
= EXPRESSION_OPCODE_FROM_LINK (Link
);
716 RemoveEntryList (&OpCode
->Link
);
718 if (OpCode
->ValueList
!= NULL
) {
719 FreePool (OpCode
->ValueList
);
722 if (OpCode
->ValueName
!= NULL
) {
723 FreePool (OpCode
->ValueName
);
726 if (OpCode
->MapExpressionList
.ForwardLink
!= NULL
) {
727 while (!IsListEmpty (&OpCode
->MapExpressionList
)) {
728 SubExpressionLink
= GetFirstNode(&OpCode
->MapExpressionList
);
729 SubExpression
= FORM_EXPRESSION_FROM_LINK (SubExpressionLink
);
730 RemoveEntryList(&SubExpression
->Link
);
731 DestroyExpression (SubExpression
);
737 // Free this Expression
739 FreePool (Expression
);
743 Free resources of a storage.
745 @param Storage Pointer of the storage
750 IN FORMSET_STORAGE
*Storage
753 if (Storage
== NULL
) {
757 if (Storage
->ConfigRequest
!= NULL
) {
758 FreePool (Storage
->ConfigRequest
);
766 Free resources of a Statement.
768 @param FormSet Pointer of the FormSet
769 @param Statement Pointer of the Statement
774 IN FORM_BROWSER_FORMSET
*FormSet
,
775 IN OUT FORM_BROWSER_STATEMENT
*Statement
779 QUESTION_DEFAULT
*Default
;
780 QUESTION_OPTION
*Option
;
781 FORM_EXPRESSION
*Expression
;
784 // Free Default value List
786 while (!IsListEmpty (&Statement
->DefaultListHead
)) {
787 Link
= GetFirstNode (&Statement
->DefaultListHead
);
788 Default
= QUESTION_DEFAULT_FROM_LINK (Link
);
789 RemoveEntryList (&Default
->Link
);
797 while (!IsListEmpty (&Statement
->OptionListHead
)) {
798 Link
= GetFirstNode (&Statement
->OptionListHead
);
799 Option
= QUESTION_OPTION_FROM_LINK (Link
);
800 if (Option
->SuppressExpression
!= NULL
) {
801 FreePool (Option
->SuppressExpression
);
803 RemoveEntryList (&Option
->Link
);
809 // Free Inconsistent List
811 while (!IsListEmpty (&Statement
->InconsistentListHead
)) {
812 Link
= GetFirstNode (&Statement
->InconsistentListHead
);
813 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
814 RemoveEntryList (&Expression
->Link
);
816 DestroyExpression (Expression
);
820 // Free NoSubmit List
822 while (!IsListEmpty (&Statement
->NoSubmitListHead
)) {
823 Link
= GetFirstNode (&Statement
->NoSubmitListHead
);
824 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
825 RemoveEntryList (&Expression
->Link
);
827 DestroyExpression (Expression
);
831 // Free WarningIf List
833 while (!IsListEmpty (&Statement
->WarningListHead
)) {
834 Link
= GetFirstNode (&Statement
->WarningListHead
);
835 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
836 RemoveEntryList (&Expression
->Link
);
838 DestroyExpression (Expression
);
841 if (Statement
->Expression
!= NULL
) {
842 FreePool (Statement
->Expression
);
845 if (Statement
->VariableName
!= NULL
) {
846 FreePool (Statement
->VariableName
);
848 if (Statement
->BlockName
!= NULL
) {
849 FreePool (Statement
->BlockName
);
851 if (Statement
->BufferValue
!= NULL
) {
852 FreePool (Statement
->BufferValue
);
854 if (Statement
->Operand
== EFI_IFR_STRING_OP
|| Statement
->Operand
== EFI_IFR_PASSWORD_OP
) {
855 DeleteString(Statement
->HiiValue
.Value
.string
, FormSet
->HiiHandle
);
861 Free resources of a Form.
863 @param FormSet Pointer of the FormSet
864 @param Form Pointer of the Form.
869 IN FORM_BROWSER_FORMSET
*FormSet
,
870 IN OUT FORM_BROWSER_FORM
*Form
874 FORM_EXPRESSION
*Expression
;
875 FORM_BROWSER_STATEMENT
*Statement
;
876 FORM_BROWSER_CONFIG_REQUEST
*ConfigInfo
;
879 // Free Form Expressions
881 while (!IsListEmpty (&Form
->ExpressionListHead
)) {
882 Link
= GetFirstNode (&Form
->ExpressionListHead
);
883 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
884 RemoveEntryList (&Expression
->Link
);
886 DestroyExpression (Expression
);
890 // Free Statements/Questions
892 while (!IsListEmpty (&Form
->StatementListHead
)) {
893 Link
= GetFirstNode (&Form
->StatementListHead
);
894 Statement
= FORM_BROWSER_STATEMENT_FROM_LINK (Link
);
895 RemoveEntryList (&Statement
->Link
);
897 DestroyStatement (FormSet
, Statement
);
901 // Free ConfigRequest string.
903 while (!IsListEmpty (&Form
->ConfigRequestHead
)) {
904 Link
= GetFirstNode (&Form
->ConfigRequestHead
);
905 ConfigInfo
= FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link
);
906 RemoveEntryList (&ConfigInfo
->Link
);
908 FreePool (ConfigInfo
->ConfigRequest
);
909 FreePool (ConfigInfo
);
912 if (Form
->SuppressExpression
!= NULL
) {
913 FreePool (Form
->SuppressExpression
);
916 UiFreeMenuList (&Form
->FormViewListHead
);
926 Free resources allocated for a FormSet.
928 @param FormSet Pointer of the FormSet
933 IN OUT FORM_BROWSER_FORMSET
*FormSet
937 FORMSET_STORAGE
*Storage
;
938 FORMSET_DEFAULTSTORE
*DefaultStore
;
939 FORM_EXPRESSION
*Expression
;
940 FORM_BROWSER_FORM
*Form
;
942 if (FormSet
->IfrBinaryData
== NULL
) {
944 // Uninitialized FormSet
951 // Free IFR binary buffer
953 FreePool (FormSet
->IfrBinaryData
);
956 // Free FormSet Storage
958 if (FormSet
->StorageListHead
.ForwardLink
!= NULL
) {
959 while (!IsListEmpty (&FormSet
->StorageListHead
)) {
960 Link
= GetFirstNode (&FormSet
->StorageListHead
);
961 Storage
= FORMSET_STORAGE_FROM_LINK (Link
);
962 RemoveEntryList (&Storage
->Link
);
964 DestroyStorage (Storage
);
969 // Free FormSet Default Store
971 if (FormSet
->DefaultStoreListHead
.ForwardLink
!= NULL
) {
972 while (!IsListEmpty (&FormSet
->DefaultStoreListHead
)) {
973 Link
= GetFirstNode (&FormSet
->DefaultStoreListHead
);
974 DefaultStore
= FORMSET_DEFAULTSTORE_FROM_LINK (Link
);
975 RemoveEntryList (&DefaultStore
->Link
);
977 FreePool (DefaultStore
);
982 // Free Formset Expressions
984 while (!IsListEmpty (&FormSet
->ExpressionListHead
)) {
985 Link
= GetFirstNode (&FormSet
->ExpressionListHead
);
986 Expression
= FORM_EXPRESSION_FROM_LINK (Link
);
987 RemoveEntryList (&Expression
->Link
);
989 DestroyExpression (Expression
);
995 if (FormSet
->FormListHead
.ForwardLink
!= NULL
) {
996 while (!IsListEmpty (&FormSet
->FormListHead
)) {
997 Link
= GetFirstNode (&FormSet
->FormListHead
);
998 Form
= FORM_BROWSER_FORM_FROM_LINK (Link
);
999 RemoveEntryList (&Form
->Link
);
1001 DestroyForm (FormSet
, Form
);
1005 if (FormSet
->StatementBuffer
!= NULL
) {
1006 FreePool (FormSet
->StatementBuffer
);
1008 if (FormSet
->ExpressionBuffer
!= NULL
) {
1009 FreePool (FormSet
->ExpressionBuffer
);
1017 Tell whether this Operand is an Expression OpCode or not
1019 @param Operand Operand of an IFR OpCode.
1021 @retval TRUE This is an Expression OpCode.
1022 @retval FALSE Not an Expression OpCode.
1026 IsExpressionOpCode (
1030 if (((Operand
>= EFI_IFR_EQ_ID_VAL_OP
) && (Operand
<= EFI_IFR_NOT_OP
)) ||
1031 ((Operand
>= EFI_IFR_MATCH_OP
) && (Operand
<= EFI_IFR_SET_OP
)) ||
1032 ((Operand
>= EFI_IFR_EQUAL_OP
) && (Operand
<= EFI_IFR_SPAN_OP
)) ||
1033 (Operand
== EFI_IFR_CATENATE_OP
) ||
1034 (Operand
== EFI_IFR_TO_LOWER_OP
) ||
1035 (Operand
== EFI_IFR_TO_UPPER_OP
) ||
1036 (Operand
== EFI_IFR_MAP_OP
) ||
1037 (Operand
== EFI_IFR_VERSION_OP
) ||
1038 (Operand
== EFI_IFR_SECURITY_OP
)) {
1046 Tell whether this Operand is an Statement OpCode.
1048 @param Operand Operand of an IFR OpCode.
1050 @retval TRUE This is an Statement OpCode.
1051 @retval FALSE Not an Statement OpCode.
1059 if ((Operand
== EFI_IFR_SUBTITLE_OP
) ||
1060 (Operand
== EFI_IFR_TEXT_OP
) ||
1061 (Operand
== EFI_IFR_RESET_BUTTON_OP
) ||
1062 (Operand
== EFI_IFR_REF_OP
) ||
1063 (Operand
== EFI_IFR_ACTION_OP
) ||
1064 (Operand
== EFI_IFR_NUMERIC_OP
) ||
1065 (Operand
== EFI_IFR_ORDERED_LIST_OP
) ||
1066 (Operand
== EFI_IFR_CHECKBOX_OP
) ||
1067 (Operand
== EFI_IFR_STRING_OP
) ||
1068 (Operand
== EFI_IFR_PASSWORD_OP
) ||
1069 (Operand
== EFI_IFR_DATE_OP
) ||
1070 (Operand
== EFI_IFR_TIME_OP
) ||
1071 (Operand
== EFI_IFR_GUID_OP
) ||
1072 (Operand
== EFI_IFR_ONE_OF_OP
)) {
1080 Tell whether this Operand is an known OpCode.
1082 @param Operand Operand of an IFR OpCode.
1084 @retval TRUE This is an Statement OpCode.
1085 @retval FALSE Not an Statement OpCode.
1093 return Operand
> EFI_IFR_WARNING_IF_OP
? TRUE
: FALSE
;
1097 Calculate number of Statemens(Questions) and Expression OpCodes.
1099 @param FormSet The FormSet to be counted.
1100 @param NumberOfStatement Number of Statemens(Questions)
1101 @param NumberOfExpression Number of Expression OpCodes
1106 IN FORM_BROWSER_FORMSET
*FormSet
,
1107 IN OUT UINT16
*NumberOfStatement
,
1108 IN OUT UINT16
*NumberOfExpression
1111 UINT16 StatementCount
;
1112 UINT16 ExpressionCount
;
1119 ExpressionCount
= 0;
1121 while (Offset
< FormSet
->IfrBinaryLength
) {
1122 OpCodeData
= FormSet
->IfrBinaryData
+ Offset
;
1123 OpCodeLen
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
;
1124 Offset
+= OpCodeLen
;
1126 if (IsExpressionOpCode (((EFI_IFR_OP_HEADER
*) OpCodeData
)->OpCode
)) {
1133 *NumberOfStatement
= StatementCount
;
1134 *NumberOfExpression
= ExpressionCount
;
1140 Parse opcodes in the formset IFR binary.
1142 @param FormSet Pointer of the FormSet data structure.
1144 @retval EFI_SUCCESS Opcode parse success.
1145 @retval Other Opcode parse fail.
1150 IN FORM_BROWSER_FORMSET
*FormSet
1154 FORM_BROWSER_FORM
*CurrentForm
;
1155 FORM_BROWSER_STATEMENT
*CurrentStatement
;
1156 FORM_BROWSER_STATEMENT
*ParentStatement
;
1157 EXPRESSION_OPCODE
*ExpressionOpCode
;
1158 FORM_EXPRESSION
*CurrentExpression
;
1165 FORMSET_STORAGE
*Storage
;
1166 FORMSET_DEFAULTSTORE
*DefaultStore
;
1167 QUESTION_DEFAULT
*CurrentDefault
;
1168 QUESTION_OPTION
*CurrentOption
;
1170 UINT16 NumberOfStatement
;
1171 UINT16 NumberOfExpression
;
1172 EFI_IMAGE_ID
*ImageId
;
1173 BOOLEAN SuppressForQuestion
;
1174 BOOLEAN SuppressForOption
;
1175 UINT16 DepthOfDisable
;
1176 BOOLEAN OpCodeDisabled
;
1177 BOOLEAN SingleOpCodeExpression
;
1178 BOOLEAN InScopeDefault
;
1179 EFI_HII_VALUE
*Value
;
1180 EFI_IFR_FORM_MAP_METHOD
*MapMethod
;
1181 UINT8 MapScopeDepth
;
1183 FORMSET_STORAGE
*VarStorage
;
1184 LIST_ENTRY
*MapExpressionList
;
1185 EFI_VARSTORE_ID TempVarstoreId
;
1186 BOOLEAN InScopeDisable
;
1187 INTN ConditionalExprCount
;
1188 BOOLEAN InUnknownScope
;
1191 SuppressForQuestion
= FALSE
;
1192 SuppressForOption
= FALSE
;
1193 InScopeDisable
= FALSE
;
1195 OpCodeDisabled
= FALSE
;
1196 SingleOpCodeExpression
= FALSE
;
1197 InScopeDefault
= FALSE
;
1198 CurrentExpression
= NULL
;
1199 CurrentDefault
= NULL
;
1200 CurrentOption
= NULL
;
1206 MapExpressionList
= NULL
;
1208 ConditionalExprCount
= 0;
1209 InUnknownScope
= FALSE
;
1213 // Get the number of Statements and Expressions
1215 CountOpCodes (FormSet
, &NumberOfStatement
, &NumberOfExpression
);
1217 mStatementIndex
= 0;
1218 mUsedQuestionId
= 1;
1219 FormSet
->StatementBuffer
= AllocateZeroPool (NumberOfStatement
* sizeof (FORM_BROWSER_STATEMENT
));
1220 if (FormSet
->StatementBuffer
== NULL
) {
1221 return EFI_OUT_OF_RESOURCES
;
1224 mExpressionOpCodeIndex
= 0;
1225 FormSet
->ExpressionBuffer
= AllocateZeroPool (NumberOfExpression
* sizeof (EXPRESSION_OPCODE
));
1226 if (FormSet
->ExpressionBuffer
== NULL
) {
1227 return EFI_OUT_OF_RESOURCES
;
1230 InitializeListHead (&FormSet
->StatementListOSF
);
1231 InitializeListHead (&FormSet
->StorageListHead
);
1232 InitializeListHead (&FormSet
->SaveFailStorageListHead
);
1233 InitializeListHead (&FormSet
->DefaultStoreListHead
);
1234 InitializeListHead (&FormSet
->FormListHead
);
1235 InitializeListHead (&FormSet
->ExpressionListHead
);
1236 ResetCurrentExpressionStack ();
1237 ResetMapExpressionListStack ();
1240 CurrentStatement
= NULL
;
1241 ParentStatement
= NULL
;
1246 while (OpCodeOffset
< FormSet
->IfrBinaryLength
) {
1247 OpCodeData
= FormSet
->IfrBinaryData
+ OpCodeOffset
;
1249 OpCodeLength
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
;
1250 OpCodeOffset
+= OpCodeLength
;
1251 Operand
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->OpCode
;
1252 Scope
= ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Scope
;
1254 if (InUnknownScope
) {
1255 if (Operand
== EFI_IFR_END_OP
) {
1258 if (UnknownDepth
== 0) {
1259 InUnknownScope
= FALSE
;
1270 if (IsUnKnownOpCode(Operand
)) {
1272 InUnknownScope
= TRUE
;
1280 // If scope bit set, push onto scope stack
1283 PushScope (Operand
);
1286 if (OpCodeDisabled
) {
1288 // DisableIf Expression is evaluated to be TRUE, try to find its end.
1289 // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END
1291 if (Operand
== EFI_IFR_DISABLE_IF_OP
) {
1293 } else if (Operand
== EFI_IFR_END_OP
) {
1294 Status
= PopScope (&ScopeOpCode
);
1295 if (EFI_ERROR (Status
)) {
1299 if (ScopeOpCode
== EFI_IFR_DISABLE_IF_OP
) {
1300 if (DepthOfDisable
== 0) {
1301 InScopeDisable
= FALSE
;
1302 OpCodeDisabled
= FALSE
;
1311 if (IsExpressionOpCode (Operand
)) {
1312 ExpressionOpCode
= &FormSet
->ExpressionBuffer
[mExpressionOpCodeIndex
];
1313 mExpressionOpCodeIndex
++;
1315 ExpressionOpCode
->Signature
= EXPRESSION_OPCODE_SIGNATURE
;
1316 ExpressionOpCode
->Operand
= Operand
;
1317 Value
= &ExpressionOpCode
->Value
;
1320 case EFI_IFR_EQ_ID_VAL_OP
:
1321 CopyMem (&ExpressionOpCode
->QuestionId
, &((EFI_IFR_EQ_ID_VAL
*) OpCodeData
)->QuestionId
, sizeof (EFI_QUESTION_ID
));
1323 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_16
;
1324 CopyMem (&Value
->Value
.u16
, &((EFI_IFR_EQ_ID_VAL
*) OpCodeData
)->Value
, sizeof (UINT16
));
1327 case EFI_IFR_EQ_ID_ID_OP
:
1328 CopyMem (&ExpressionOpCode
->QuestionId
, &((EFI_IFR_EQ_ID_ID
*) OpCodeData
)->QuestionId1
, sizeof (EFI_QUESTION_ID
));
1329 CopyMem (&ExpressionOpCode
->QuestionId2
, &((EFI_IFR_EQ_ID_ID
*) OpCodeData
)->QuestionId2
, sizeof (EFI_QUESTION_ID
));
1332 case EFI_IFR_EQ_ID_VAL_LIST_OP
:
1333 CopyMem (&ExpressionOpCode
->QuestionId
, &((EFI_IFR_EQ_ID_VAL_LIST
*) OpCodeData
)->QuestionId
, sizeof (EFI_QUESTION_ID
));
1334 CopyMem (&ExpressionOpCode
->ListLength
, &((EFI_IFR_EQ_ID_VAL_LIST
*) OpCodeData
)->ListLength
, sizeof (UINT16
));
1335 ExpressionOpCode
->ValueList
= AllocateCopyPool (ExpressionOpCode
->ListLength
* sizeof (UINT16
), &((EFI_IFR_EQ_ID_VAL_LIST
*) OpCodeData
)->ValueList
);
1338 case EFI_IFR_TO_STRING_OP
:
1339 case EFI_IFR_FIND_OP
:
1340 ExpressionOpCode
->Format
= (( EFI_IFR_TO_STRING
*) OpCodeData
)->Format
;
1343 case EFI_IFR_STRING_REF1_OP
:
1344 Value
->Type
= EFI_IFR_TYPE_STRING
;
1345 CopyMem (&Value
->Value
.string
, &(( EFI_IFR_STRING_REF1
*) OpCodeData
)->StringId
, sizeof (EFI_STRING_ID
));
1348 case EFI_IFR_RULE_REF_OP
:
1349 ExpressionOpCode
->RuleId
= (( EFI_IFR_RULE_REF
*) OpCodeData
)->RuleId
;
1352 case EFI_IFR_SPAN_OP
:
1353 ExpressionOpCode
->Flags
= (( EFI_IFR_SPAN
*) OpCodeData
)->Flags
;
1356 case EFI_IFR_THIS_OP
:
1357 ASSERT (ParentStatement
!= NULL
);
1358 ExpressionOpCode
->QuestionId
= ParentStatement
->QuestionId
;
1361 case EFI_IFR_SECURITY_OP
:
1362 CopyMem (&ExpressionOpCode
->Guid
, &((EFI_IFR_SECURITY
*) OpCodeData
)->Permissions
, sizeof (EFI_GUID
));
1365 case EFI_IFR_GET_OP
:
1366 case EFI_IFR_SET_OP
:
1367 CopyMem (&TempVarstoreId
, &((EFI_IFR_GET
*) OpCodeData
)->VarStoreId
, sizeof (TempVarstoreId
));
1368 if (TempVarstoreId
!= 0) {
1369 if (FormSet
->StorageListHead
.ForwardLink
!= NULL
) {
1370 Link
= GetFirstNode (&FormSet
->StorageListHead
);
1371 while (!IsNull (&FormSet
->StorageListHead
, Link
)) {
1372 VarStorage
= FORMSET_STORAGE_FROM_LINK (Link
);
1373 if (VarStorage
->VarStoreId
== ((EFI_IFR_GET
*) OpCodeData
)->VarStoreId
) {
1374 ExpressionOpCode
->VarStorage
= VarStorage
->BrowserStorage
;
1377 Link
= GetNextNode (&FormSet
->StorageListHead
, Link
);
1380 if (ExpressionOpCode
->VarStorage
== NULL
) {
1382 // VarStorage is not found.
1384 return EFI_INVALID_PARAMETER
;
1387 ExpressionOpCode
->ValueType
= ((EFI_IFR_GET
*) OpCodeData
)->VarStoreType
;
1388 switch (ExpressionOpCode
->ValueType
) {
1389 case EFI_IFR_TYPE_BOOLEAN
:
1390 case EFI_IFR_TYPE_NUM_SIZE_8
:
1391 ExpressionOpCode
->ValueWidth
= 1;
1394 case EFI_IFR_TYPE_NUM_SIZE_16
:
1395 case EFI_IFR_TYPE_STRING
:
1396 ExpressionOpCode
->ValueWidth
= 2;
1399 case EFI_IFR_TYPE_NUM_SIZE_32
:
1400 ExpressionOpCode
->ValueWidth
= 4;
1403 case EFI_IFR_TYPE_NUM_SIZE_64
:
1404 ExpressionOpCode
->ValueWidth
= 8;
1407 case EFI_IFR_TYPE_DATE
:
1408 ExpressionOpCode
->ValueWidth
= (UINT8
) sizeof (EFI_IFR_DATE
);
1411 case EFI_IFR_TYPE_TIME
:
1412 ExpressionOpCode
->ValueWidth
= (UINT8
) sizeof (EFI_IFR_TIME
);
1415 case EFI_IFR_TYPE_REF
:
1416 ExpressionOpCode
->ValueWidth
= (UINT8
) sizeof (EFI_IFR_REF
);
1419 case EFI_IFR_TYPE_OTHER
:
1420 case EFI_IFR_TYPE_UNDEFINED
:
1421 case EFI_IFR_TYPE_ACTION
:
1422 case EFI_IFR_TYPE_BUFFER
:
1425 // Invalid value type for Get/Set opcode.
1427 return EFI_INVALID_PARAMETER
;
1429 CopyMem (&ExpressionOpCode
->VarStoreInfo
.VarName
, &((EFI_IFR_GET
*) OpCodeData
)->VarStoreInfo
.VarName
, sizeof (EFI_STRING_ID
));
1430 CopyMem (&ExpressionOpCode
->VarStoreInfo
.VarOffset
, &((EFI_IFR_GET
*) OpCodeData
)->VarStoreInfo
.VarOffset
, sizeof (UINT16
));
1431 if ((ExpressionOpCode
->VarStorage
!= NULL
) &&
1432 (ExpressionOpCode
->VarStorage
->Type
== EFI_HII_VARSTORE_NAME_VALUE
||
1433 ExpressionOpCode
->VarStorage
->Type
== EFI_HII_VARSTORE_EFI_VARIABLE
)) {
1434 ExpressionOpCode
->ValueName
= GetToken (ExpressionOpCode
->VarStoreInfo
.VarName
, FormSet
->HiiHandle
);
1435 if (ExpressionOpCode
->ValueName
== NULL
) {
1437 // String ID is invalid.
1439 return EFI_INVALID_PARAMETER
;
1444 case EFI_IFR_QUESTION_REF1_OP
:
1445 CopyMem (&ExpressionOpCode
->QuestionId
, &((EFI_IFR_EQ_ID_VAL_LIST
*) OpCodeData
)->QuestionId
, sizeof (EFI_QUESTION_ID
));
1448 case EFI_IFR_QUESTION_REF3_OP
:
1449 if (OpCodeLength
>= sizeof (EFI_IFR_QUESTION_REF3_2
)) {
1450 CopyMem (&ExpressionOpCode
->DevicePath
, &(( EFI_IFR_QUESTION_REF3_2
*) OpCodeData
)->DevicePath
, sizeof (EFI_STRING_ID
));
1452 if (OpCodeLength
>= sizeof (EFI_IFR_QUESTION_REF3_3
)) {
1453 CopyMem (&ExpressionOpCode
->Guid
, &(( EFI_IFR_QUESTION_REF3_3
*) OpCodeData
)->Guid
, sizeof (EFI_GUID
));
1461 case EFI_IFR_TRUE_OP
:
1462 Value
->Type
= EFI_IFR_TYPE_BOOLEAN
;
1463 Value
->Value
.b
= TRUE
;
1466 case EFI_IFR_FALSE_OP
:
1467 Value
->Type
= EFI_IFR_TYPE_BOOLEAN
;
1468 Value
->Value
.b
= FALSE
;
1471 case EFI_IFR_ONE_OP
:
1472 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_8
;
1473 Value
->Value
.u8
= 1;
1476 case EFI_IFR_ZERO_OP
:
1477 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_8
;
1478 Value
->Value
.u8
= 0;
1481 case EFI_IFR_ONES_OP
:
1482 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_64
;
1483 Value
->Value
.u64
= 0xffffffffffffffffULL
;
1486 case EFI_IFR_UINT8_OP
:
1487 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_8
;
1488 Value
->Value
.u8
= (( EFI_IFR_UINT8
*) OpCodeData
)->Value
;
1491 case EFI_IFR_UINT16_OP
:
1492 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_16
;
1493 CopyMem (&Value
->Value
.u16
, &(( EFI_IFR_UINT16
*) OpCodeData
)->Value
, sizeof (UINT16
));
1496 case EFI_IFR_UINT32_OP
:
1497 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_32
;
1498 CopyMem (&Value
->Value
.u32
, &(( EFI_IFR_UINT32
*) OpCodeData
)->Value
, sizeof (UINT32
));
1501 case EFI_IFR_UINT64_OP
:
1502 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_64
;
1503 CopyMem (&Value
->Value
.u64
, &(( EFI_IFR_UINT64
*) OpCodeData
)->Value
, sizeof (UINT64
));
1506 case EFI_IFR_UNDEFINED_OP
:
1507 Value
->Type
= EFI_IFR_TYPE_UNDEFINED
;
1510 case EFI_IFR_VERSION_OP
:
1511 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_16
;
1512 Value
->Value
.u16
= EFI_IFR_SPECIFICATION_VERSION
;
1519 // Create sub expression nested in MAP opcode
1521 if (CurrentExpression
== NULL
&& MapScopeDepth
> 0) {
1522 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
1523 ASSERT (MapExpressionList
!= NULL
);
1524 InsertTailList (MapExpressionList
, &CurrentExpression
->Link
);
1526 SingleOpCodeExpression
= TRUE
;
1529 ASSERT (CurrentExpression
!= NULL
);
1530 InsertTailList (&CurrentExpression
->OpCodeListHead
, &ExpressionOpCode
->Link
);
1531 if (Operand
== EFI_IFR_MAP_OP
) {
1533 // Store current Map Expression List.
1535 if (MapExpressionList
!= NULL
) {
1536 PushMapExpressionList (MapExpressionList
);
1539 // Initialize new Map Expression List.
1541 MapExpressionList
= &ExpressionOpCode
->MapExpressionList
;
1542 InitializeListHead (MapExpressionList
);
1544 // Store current expression.
1546 PushCurrentExpression (CurrentExpression
);
1547 CurrentExpression
= NULL
;
1549 } else if (SingleOpCodeExpression
) {
1551 // There are two cases to indicate the end of an Expression:
1552 // for single OpCode expression: one Expression OpCode
1553 // for expression consists of more than one OpCode: EFI_IFR_END
1555 SingleOpCodeExpression
= FALSE
;
1557 if (InScopeDisable
&& CurrentForm
== NULL
) {
1559 // This is DisableIf expression for Form, it should be a constant expression
1561 Status
= EvaluateExpression (FormSet
, CurrentForm
, CurrentExpression
);
1562 if (EFI_ERROR (Status
)) {
1566 OpCodeDisabled
= IsTrue(&CurrentExpression
->Result
);
1569 CurrentExpression
= NULL
;
1580 case EFI_IFR_FORM_SET_OP
:
1582 // Check the formset GUID
1584 if (CompareMem (&FormSet
->Guid
, &((EFI_IFR_FORM_SET
*) OpCodeData
)->Guid
, sizeof (EFI_GUID
)) != 0) {
1585 return EFI_INVALID_PARAMETER
;
1588 CopyMem (&FormSet
->FormSetTitle
, &((EFI_IFR_FORM_SET
*) OpCodeData
)->FormSetTitle
, sizeof (EFI_STRING_ID
));
1589 CopyMem (&FormSet
->Help
, &((EFI_IFR_FORM_SET
*) OpCodeData
)->Help
, sizeof (EFI_STRING_ID
));
1591 if (OpCodeLength
> OFFSET_OF (EFI_IFR_FORM_SET
, Flags
)) {
1593 // The formset OpCode contains ClassGuid
1595 FormSet
->NumberOfClassGuid
= (UINT8
) (((EFI_IFR_FORM_SET
*) OpCodeData
)->Flags
& 0x3);
1596 CopyMem (FormSet
->ClassGuid
, OpCodeData
+ sizeof (EFI_IFR_FORM_SET
), FormSet
->NumberOfClassGuid
* sizeof (EFI_GUID
));
1600 case EFI_IFR_FORM_OP
:
1602 // Create a new Form for this FormSet
1604 CurrentForm
= AllocateZeroPool (sizeof (FORM_BROWSER_FORM
));
1605 ASSERT (CurrentForm
!= NULL
);
1606 CurrentForm
->Signature
= FORM_BROWSER_FORM_SIGNATURE
;
1607 InitializeListHead (&CurrentForm
->ExpressionListHead
);
1608 InitializeListHead (&CurrentForm
->StatementListHead
);
1609 InitializeListHead (&CurrentForm
->ConfigRequestHead
);
1610 InitializeListHead (&CurrentForm
->FormViewListHead
);
1612 CurrentForm
->FormType
= STANDARD_MAP_FORM_TYPE
;
1613 CopyMem (&CurrentForm
->FormId
, &((EFI_IFR_FORM
*) OpCodeData
)->FormId
, sizeof (UINT16
));
1614 CopyMem (&CurrentForm
->FormTitle
, &((EFI_IFR_FORM
*) OpCodeData
)->FormTitle
, sizeof (EFI_STRING_ID
));
1616 ConditionalExprCount
= GetConditionalExpressionCount(ExpressForm
);
1617 if ( ConditionalExprCount
> 0) {
1619 // Form is inside of suppressif
1621 CurrentForm
->SuppressExpression
= (FORM_EXPRESSION_LIST
*) AllocatePool(
1622 (UINTN
) (sizeof(FORM_EXPRESSION_LIST
) + ((ConditionalExprCount
-1) * sizeof(FORM_EXPRESSION
*))));
1623 ASSERT (CurrentForm
->SuppressExpression
!= NULL
);
1624 CurrentForm
->SuppressExpression
->Count
= (UINTN
) ConditionalExprCount
;
1625 CurrentForm
->SuppressExpression
->Signature
= FORM_EXPRESSION_LIST_SIGNATURE
;
1626 CopyMem (CurrentForm
->SuppressExpression
->Expression
, GetConditionalExpressionList(ExpressForm
), (UINTN
) (sizeof (FORM_EXPRESSION
*) * ConditionalExprCount
));
1631 // Enter scope of a Form, suppressif will be used for Question or Option
1633 SuppressForQuestion
= TRUE
;
1637 // Insert into Form list of this FormSet
1639 InsertTailList (&FormSet
->FormListHead
, &CurrentForm
->Link
);
1642 case EFI_IFR_FORM_MAP_OP
:
1644 // Create a new Form for this FormSet
1646 CurrentForm
= AllocateZeroPool (sizeof (FORM_BROWSER_FORM
));
1647 ASSERT (CurrentForm
!= NULL
);
1648 CurrentForm
->Signature
= FORM_BROWSER_FORM_SIGNATURE
;
1649 InitializeListHead (&CurrentForm
->ExpressionListHead
);
1650 InitializeListHead (&CurrentForm
->StatementListHead
);
1651 InitializeListHead (&CurrentForm
->ConfigRequestHead
);
1652 InitializeListHead (&CurrentForm
->FormViewListHead
);
1654 CopyMem (&CurrentForm
->FormId
, &((EFI_IFR_FORM
*) OpCodeData
)->FormId
, sizeof (UINT16
));
1656 MapMethod
= (EFI_IFR_FORM_MAP_METHOD
*) (OpCodeData
+ sizeof (EFI_IFR_FORM_MAP
));
1658 // FormMap Form must contain at least one Map Method.
1660 if (((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
< ((UINTN
) (UINT8
*) (MapMethod
+ 1) - (UINTN
) OpCodeData
)) {
1661 return EFI_INVALID_PARAMETER
;
1664 // Try to find the standard form map method.
1666 while (((UINTN
) (UINT8
*) MapMethod
- (UINTN
) OpCodeData
) < ((EFI_IFR_OP_HEADER
*) OpCodeData
)->Length
) {
1667 if (CompareGuid ((EFI_GUID
*) (VOID
*) &MapMethod
->MethodIdentifier
, &gEfiHiiStandardFormGuid
)) {
1668 CopyMem (&CurrentForm
->FormTitle
, &MapMethod
->MethodTitle
, sizeof (EFI_STRING_ID
));
1669 CurrentForm
->FormType
= STANDARD_MAP_FORM_TYPE
;
1675 // If the standard form map method is not found, the first map method title will be used.
1677 if (CurrentForm
->FormTitle
== 0) {
1678 MapMethod
= (EFI_IFR_FORM_MAP_METHOD
*) (OpCodeData
+ sizeof (EFI_IFR_FORM_MAP
));
1679 CopyMem (&CurrentForm
->FormTitle
, &MapMethod
->MethodTitle
, sizeof (EFI_STRING_ID
));
1682 ConditionalExprCount
= GetConditionalExpressionCount(ExpressForm
);
1683 if ( ConditionalExprCount
> 0) {
1685 // Form is inside of suppressif
1687 CurrentForm
->SuppressExpression
= (FORM_EXPRESSION_LIST
*) AllocatePool(
1688 (UINTN
) (sizeof(FORM_EXPRESSION_LIST
) + ((ConditionalExprCount
-1) * sizeof(FORM_EXPRESSION
*))));
1689 ASSERT (CurrentForm
->SuppressExpression
!= NULL
);
1690 CurrentForm
->SuppressExpression
->Count
= (UINTN
) ConditionalExprCount
;
1691 CurrentForm
->SuppressExpression
->Signature
= FORM_EXPRESSION_LIST_SIGNATURE
;
1692 CopyMem (CurrentForm
->SuppressExpression
->Expression
, GetConditionalExpressionList(ExpressForm
), (UINTN
) (sizeof (FORM_EXPRESSION
*) * ConditionalExprCount
));
1697 // Enter scope of a Form, suppressif will be used for Question or Option
1699 SuppressForQuestion
= TRUE
;
1703 // Insert into Form list of this FormSet
1705 InsertTailList (&FormSet
->FormListHead
, &CurrentForm
->Link
);
1711 case EFI_IFR_VARSTORE_OP
:
1713 // Create a buffer Storage for this FormSet
1715 Storage
= CreateStorage (FormSet
, EFI_HII_VARSTORE_BUFFER
, OpCodeData
);
1716 CopyMem (&Storage
->VarStoreId
, &((EFI_IFR_VARSTORE
*) OpCodeData
)->VarStoreId
, sizeof (EFI_VARSTORE_ID
));
1719 case EFI_IFR_VARSTORE_NAME_VALUE_OP
:
1721 // Create a name/value Storage for this FormSet
1723 Storage
= CreateStorage (FormSet
, EFI_HII_VARSTORE_NAME_VALUE
, OpCodeData
);
1724 CopyMem (&Storage
->VarStoreId
, &((EFI_IFR_VARSTORE_NAME_VALUE
*) OpCodeData
)->VarStoreId
, sizeof (EFI_VARSTORE_ID
));
1727 case EFI_IFR_VARSTORE_EFI_OP
:
1729 // Create a EFI variable Storage for this FormSet
1731 if (OpCodeLength
< sizeof (EFI_IFR_VARSTORE_EFI
)) {
1733 // Create efi varstore with format follow UEFI spec before 2.3.1.
1735 Storage
= CreateStorage (FormSet
, EFI_HII_VARSTORE_EFI_VARIABLE
, OpCodeData
);
1738 // Create efi varstore with format follow UEFI spec 2.3.1 and later.
1740 Storage
= CreateStorage (FormSet
, EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
, OpCodeData
);
1742 CopyMem (&Storage
->VarStoreId
, &((EFI_IFR_VARSTORE_EFI
*) OpCodeData
)->VarStoreId
, sizeof (EFI_VARSTORE_ID
));
1748 case EFI_IFR_DEFAULTSTORE_OP
:
1749 DefaultStore
= AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE
));
1750 ASSERT (DefaultStore
!= NULL
);
1751 DefaultStore
->Signature
= FORMSET_DEFAULTSTORE_SIGNATURE
;
1753 CopyMem (&DefaultStore
->DefaultId
, &((EFI_IFR_DEFAULTSTORE
*) OpCodeData
)->DefaultId
, sizeof (UINT16
));
1754 CopyMem (&DefaultStore
->DefaultName
, &((EFI_IFR_DEFAULTSTORE
*) OpCodeData
)->DefaultName
, sizeof (EFI_STRING_ID
));
1757 // Insert to DefaultStore list of this Formset
1759 InsertTailList (&FormSet
->DefaultStoreListHead
, &DefaultStore
->Link
);
1765 case EFI_IFR_SUBTITLE_OP
:
1766 CurrentStatement
= CreateStatement (OpCodeData
, FormSet
, CurrentForm
);
1767 ASSERT (CurrentStatement
!= NULL
);
1769 CurrentStatement
->Flags
= ((EFI_IFR_SUBTITLE
*) OpCodeData
)->Flags
;
1770 CurrentStatement
->FakeQuestionId
= mUsedQuestionId
++;
1773 case EFI_IFR_TEXT_OP
:
1774 CurrentStatement
= CreateStatement (OpCodeData
, FormSet
, CurrentForm
);
1775 ASSERT (CurrentStatement
!= NULL
);
1776 CurrentStatement
->FakeQuestionId
= mUsedQuestionId
++;
1777 CopyMem (&CurrentStatement
->TextTwo
, &((EFI_IFR_TEXT
*) OpCodeData
)->TextTwo
, sizeof (EFI_STRING_ID
));
1780 case EFI_IFR_RESET_BUTTON_OP
:
1781 CurrentStatement
= CreateStatement (OpCodeData
, FormSet
, CurrentForm
);
1782 ASSERT (CurrentStatement
!= NULL
);
1783 CurrentStatement
->FakeQuestionId
= mUsedQuestionId
++;
1784 CopyMem (&CurrentStatement
->DefaultId
, &((EFI_IFR_RESET_BUTTON
*) OpCodeData
)->DefaultId
, sizeof (EFI_DEFAULT_ID
));
1790 case EFI_IFR_ACTION_OP
:
1791 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1792 ASSERT (CurrentStatement
!= NULL
);
1793 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_ACTION
;
1795 if (OpCodeLength
== sizeof (EFI_IFR_ACTION_1
)) {
1797 // No QuestionConfig present, so no configuration string will be processed
1799 CurrentStatement
->QuestionConfig
= 0;
1801 CopyMem (&CurrentStatement
->QuestionConfig
, &((EFI_IFR_ACTION
*) OpCodeData
)->QuestionConfig
, sizeof (EFI_STRING_ID
));
1805 case EFI_IFR_REF_OP
:
1806 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1807 ASSERT (CurrentStatement
!= NULL
);
1808 Value
= &CurrentStatement
->HiiValue
;
1809 Value
->Type
= EFI_IFR_TYPE_REF
;
1810 if (OpCodeLength
>= sizeof (EFI_IFR_REF
)) {
1811 CopyMem (&Value
->Value
.ref
.FormId
, &((EFI_IFR_REF
*) OpCodeData
)->FormId
, sizeof (EFI_FORM_ID
));
1813 if (OpCodeLength
>= sizeof (EFI_IFR_REF2
)) {
1814 CopyMem (&Value
->Value
.ref
.QuestionId
, &((EFI_IFR_REF2
*) OpCodeData
)->QuestionId
, sizeof (EFI_QUESTION_ID
));
1816 if (OpCodeLength
>= sizeof (EFI_IFR_REF3
)) {
1817 CopyMem (&Value
->Value
.ref
.FormSetGuid
, &((EFI_IFR_REF3
*) OpCodeData
)->FormSetId
, sizeof (EFI_GUID
));
1819 if (OpCodeLength
>= sizeof (EFI_IFR_REF4
)) {
1820 CopyMem (&Value
->Value
.ref
.DevicePath
, &((EFI_IFR_REF4
*) OpCodeData
)->DevicePath
, sizeof (EFI_STRING_ID
));
1825 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (EFI_HII_REF
);
1826 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
1829 case EFI_IFR_ONE_OF_OP
:
1830 case EFI_IFR_NUMERIC_OP
:
1831 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1832 ASSERT(CurrentStatement
!= NULL
);
1834 CurrentStatement
->Flags
= ((EFI_IFR_ONE_OF
*) OpCodeData
)->Flags
;
1835 Value
= &CurrentStatement
->HiiValue
;
1837 switch (CurrentStatement
->Flags
& EFI_IFR_NUMERIC_SIZE
) {
1838 case EFI_IFR_NUMERIC_SIZE_1
:
1839 CurrentStatement
->Minimum
= ((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u8
.MinValue
;
1840 CurrentStatement
->Maximum
= ((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u8
.MaxValue
;
1841 CurrentStatement
->Step
= ((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u8
.Step
;
1842 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (UINT8
);
1843 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_8
;
1846 case EFI_IFR_NUMERIC_SIZE_2
:
1847 CopyMem (&CurrentStatement
->Minimum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u16
.MinValue
, sizeof (UINT16
));
1848 CopyMem (&CurrentStatement
->Maximum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u16
.MaxValue
, sizeof (UINT16
));
1849 CopyMem (&CurrentStatement
->Step
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u16
.Step
, sizeof (UINT16
));
1850 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (UINT16
);
1851 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_16
;
1854 case EFI_IFR_NUMERIC_SIZE_4
:
1855 CopyMem (&CurrentStatement
->Minimum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u32
.MinValue
, sizeof (UINT32
));
1856 CopyMem (&CurrentStatement
->Maximum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u32
.MaxValue
, sizeof (UINT32
));
1857 CopyMem (&CurrentStatement
->Step
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u32
.Step
, sizeof (UINT32
));
1858 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (UINT32
);
1859 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_32
;
1862 case EFI_IFR_NUMERIC_SIZE_8
:
1863 CopyMem (&CurrentStatement
->Minimum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u64
.MinValue
, sizeof (UINT64
));
1864 CopyMem (&CurrentStatement
->Maximum
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u64
.MaxValue
, sizeof (UINT64
));
1865 CopyMem (&CurrentStatement
->Step
, &((EFI_IFR_NUMERIC
*) OpCodeData
)->data
.u64
.Step
, sizeof (UINT64
));
1866 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (UINT64
);
1867 Value
->Type
= EFI_IFR_TYPE_NUM_SIZE_64
;
1874 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
1876 if ((Operand
== EFI_IFR_ONE_OF_OP
) && Scope
!= 0) {
1877 SuppressForOption
= TRUE
;
1881 case EFI_IFR_ORDERED_LIST_OP
:
1882 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1883 ASSERT(CurrentStatement
!= NULL
);
1885 CurrentStatement
->Flags
= ((EFI_IFR_ORDERED_LIST
*) OpCodeData
)->Flags
;
1886 CurrentStatement
->MaxContainers
= ((EFI_IFR_ORDERED_LIST
*) OpCodeData
)->MaxContainers
;
1888 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_BUFFER
;
1889 CurrentStatement
->BufferValue
= NULL
;
1892 SuppressForOption
= TRUE
;
1896 case EFI_IFR_CHECKBOX_OP
:
1897 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1898 ASSERT(CurrentStatement
!= NULL
);
1900 CurrentStatement
->Flags
= ((EFI_IFR_CHECKBOX
*) OpCodeData
)->Flags
;
1901 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (BOOLEAN
);
1902 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_BOOLEAN
;
1904 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
1908 case EFI_IFR_STRING_OP
:
1909 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1910 ASSERT (CurrentStatement
!= NULL
);
1912 // MinSize is the minimum number of characters that can be accepted for this opcode,
1913 // MaxSize is the maximum number of characters that can be accepted for this opcode.
1914 // The characters are stored as Unicode, so the storage width should multiply 2.
1916 CurrentStatement
->Minimum
= ((EFI_IFR_STRING
*) OpCodeData
)->MinSize
;
1917 CurrentStatement
->Maximum
= ((EFI_IFR_STRING
*) OpCodeData
)->MaxSize
;
1918 CurrentStatement
->StorageWidth
= (UINT16
)((UINTN
) CurrentStatement
->Maximum
* sizeof (CHAR16
));
1919 CurrentStatement
->Flags
= ((EFI_IFR_STRING
*) OpCodeData
)->Flags
;
1921 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_STRING
;
1922 CurrentStatement
->BufferValue
= AllocateZeroPool (CurrentStatement
->StorageWidth
+ sizeof (CHAR16
));
1923 CurrentStatement
->HiiValue
.Value
.string
= NewString ((CHAR16
*) CurrentStatement
->BufferValue
, FormSet
->HiiHandle
);
1925 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
1928 case EFI_IFR_PASSWORD_OP
:
1929 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1930 ASSERT (CurrentStatement
!= NULL
);
1932 // MinSize is the minimum number of characters that can be accepted for this opcode,
1933 // MaxSize is the maximum number of characters that can be accepted for this opcode.
1934 // The characters are stored as Unicode, so the storage width should multiply 2.
1936 CopyMem (&CurrentStatement
->Minimum
, &((EFI_IFR_PASSWORD
*) OpCodeData
)->MinSize
, sizeof (UINT16
));
1937 CopyMem (&CurrentStatement
->Maximum
, &((EFI_IFR_PASSWORD
*) OpCodeData
)->MaxSize
, sizeof (UINT16
));
1938 CurrentStatement
->StorageWidth
= (UINT16
)((UINTN
) CurrentStatement
->Maximum
* sizeof (CHAR16
));
1940 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_STRING
;
1941 CurrentStatement
->BufferValue
= AllocateZeroPool ((CurrentStatement
->StorageWidth
+ sizeof (CHAR16
)));
1942 CurrentStatement
->HiiValue
.Value
.string
= NewString ((CHAR16
*) CurrentStatement
->BufferValue
, FormSet
->HiiHandle
);
1944 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
1947 case EFI_IFR_DATE_OP
:
1948 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1949 ASSERT(CurrentStatement
!= NULL
);
1951 CurrentStatement
->Flags
= ((EFI_IFR_DATE
*) OpCodeData
)->Flags
;
1952 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_DATE
;
1954 if ((CurrentStatement
->Flags
& EFI_QF_DATE_STORAGE
) == QF_DATE_STORAGE_NORMAL
) {
1955 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (EFI_HII_DATE
);
1957 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
1960 // Don't assign storage for RTC type of date/time
1962 CurrentStatement
->Storage
= NULL
;
1963 CurrentStatement
->StorageWidth
= 0;
1967 case EFI_IFR_TIME_OP
:
1968 CurrentStatement
= CreateQuestion (OpCodeData
, FormSet
, CurrentForm
);
1969 ASSERT(CurrentStatement
!= NULL
);
1971 CurrentStatement
->Flags
= ((EFI_IFR_TIME
*) OpCodeData
)->Flags
;
1972 CurrentStatement
->HiiValue
.Type
= EFI_IFR_TYPE_TIME
;
1974 if ((CurrentStatement
->Flags
& QF_TIME_STORAGE
) == QF_TIME_STORAGE_NORMAL
) {
1975 CurrentStatement
->StorageWidth
= (UINT16
) sizeof (EFI_HII_TIME
);
1977 InitializeRequestElement (FormSet
, CurrentStatement
, CurrentForm
);
1980 // Don't assign storage for RTC type of date/time
1982 CurrentStatement
->Storage
= NULL
;
1983 CurrentStatement
->StorageWidth
= 0;
1990 case EFI_IFR_DEFAULT_OP
:
1992 // EFI_IFR_DEFAULT appear in scope of a Question,
1993 // It creates a default value for the current question.
1994 // A Question may have more than one Default value which have different default types.
1996 CurrentDefault
= AllocateZeroPool (sizeof (QUESTION_DEFAULT
));
1997 ASSERT (CurrentDefault
!= NULL
);
1998 CurrentDefault
->Signature
= QUESTION_DEFAULT_SIGNATURE
;
2000 CurrentDefault
->Value
.Type
= ((EFI_IFR_DEFAULT
*) OpCodeData
)->Type
;
2001 CopyMem (&CurrentDefault
->DefaultId
, &((EFI_IFR_DEFAULT
*) OpCodeData
)->DefaultId
, sizeof (UINT16
));
2002 if (OpCodeLength
> OFFSET_OF (EFI_IFR_DEFAULT
, Value
)) {
2003 CopyMem (&CurrentDefault
->Value
.Value
, &((EFI_IFR_DEFAULT
*) OpCodeData
)->Value
, OpCodeLength
- OFFSET_OF (EFI_IFR_DEFAULT
, Value
));
2004 ExtendValueToU64 (&CurrentDefault
->Value
);
2008 // Insert to Default Value list of current Question
2010 InsertTailList (&ParentStatement
->DefaultListHead
, &CurrentDefault
->Link
);
2013 InScopeDefault
= TRUE
;
2020 case EFI_IFR_ONE_OF_OPTION_OP
:
2022 // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.
2023 // It create a selection for use in current Question.
2025 CurrentOption
= AllocateZeroPool (sizeof (QUESTION_OPTION
));
2026 ASSERT (CurrentOption
!= NULL
);
2027 CurrentOption
->Signature
= QUESTION_OPTION_SIGNATURE
;
2028 CurrentOption
->OpCode
= (EFI_IFR_ONE_OF_OPTION
*) OpCodeData
;
2030 CurrentOption
->Flags
= ((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Flags
;
2031 CurrentOption
->Value
.Type
= ((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Type
;
2032 CopyMem (&CurrentOption
->Text
, &((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Option
, sizeof (EFI_STRING_ID
));
2033 CopyMem (&CurrentOption
->Value
.Value
, &((EFI_IFR_ONE_OF_OPTION
*) OpCodeData
)->Value
, OpCodeLength
- OFFSET_OF (EFI_IFR_ONE_OF_OPTION
, Value
));
2034 ExtendValueToU64 (&CurrentOption
->Value
);
2036 ConditionalExprCount
= GetConditionalExpressionCount(ExpressOption
);
2037 if ( ConditionalExprCount
> 0) {
2039 // Form is inside of suppressif
2041 CurrentOption
->SuppressExpression
= (FORM_EXPRESSION_LIST
*) AllocatePool(
2042 (UINTN
) (sizeof(FORM_EXPRESSION_LIST
) + ((ConditionalExprCount
-1) * sizeof(FORM_EXPRESSION
*))));
2043 ASSERT (CurrentOption
->SuppressExpression
!= NULL
);
2044 CurrentOption
->SuppressExpression
->Count
= (UINTN
) ConditionalExprCount
;
2045 CurrentOption
->SuppressExpression
->Signature
= FORM_EXPRESSION_LIST_SIGNATURE
;
2046 CopyMem (CurrentOption
->SuppressExpression
->Expression
, GetConditionalExpressionList(ExpressOption
), (UINTN
) (sizeof (FORM_EXPRESSION
*) * ConditionalExprCount
));
2049 ASSERT (ParentStatement
!= NULL
);
2051 // Insert to Option list of current Question
2053 InsertTailList (&ParentStatement
->OptionListHead
, &CurrentOption
->Link
);
2055 // Now we know the Storage width of nested Ordered List
2057 if ((ParentStatement
->Operand
== EFI_IFR_ORDERED_LIST_OP
) && (ParentStatement
->BufferValue
== NULL
)) {
2059 switch (CurrentOption
->Value
.Type
) {
2060 case EFI_IFR_TYPE_NUM_SIZE_8
:
2064 case EFI_IFR_TYPE_NUM_SIZE_16
:
2068 case EFI_IFR_TYPE_NUM_SIZE_32
:
2072 case EFI_IFR_TYPE_NUM_SIZE_64
:
2078 // Invalid type for Ordered List
2083 ParentStatement
->StorageWidth
= (UINT16
) (ParentStatement
->MaxContainers
* Width
);
2084 ParentStatement
->BufferValue
= AllocateZeroPool (ParentStatement
->StorageWidth
);
2085 ParentStatement
->ValueType
= CurrentOption
->Value
.Type
;
2086 if (ParentStatement
->HiiValue
.Type
== EFI_IFR_TYPE_BUFFER
) {
2087 ParentStatement
->HiiValue
.Buffer
= ParentStatement
->BufferValue
;
2088 ParentStatement
->HiiValue
.BufferLen
= ParentStatement
->StorageWidth
;
2091 InitializeRequestElement (FormSet
, ParentStatement
, CurrentForm
);
2098 case EFI_IFR_NO_SUBMIT_IF_OP
:
2099 case EFI_IFR_INCONSISTENT_IF_OP
:
2101 // Create an Expression node
2103 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2104 CopyMem (&CurrentExpression
->Error
, &((EFI_IFR_INCONSISTENT_IF
*) OpCodeData
)->Error
, sizeof (EFI_STRING_ID
));
2106 if (Operand
== EFI_IFR_NO_SUBMIT_IF_OP
) {
2107 CurrentExpression
->Type
= EFI_HII_EXPRESSION_NO_SUBMIT_IF
;
2108 InsertTailList (&ParentStatement
->NoSubmitListHead
, &CurrentExpression
->Link
);
2110 CurrentExpression
->Type
= EFI_HII_EXPRESSION_INCONSISTENT_IF
;
2111 InsertTailList (&ParentStatement
->InconsistentListHead
, &CurrentExpression
->Link
);
2115 // Take a look at next OpCode to see whether current expression consists
2118 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2119 SingleOpCodeExpression
= TRUE
;
2123 case EFI_IFR_WARNING_IF_OP
:
2125 // Create an Expression node
2127 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2128 CopyMem (&CurrentExpression
->Error
, &((EFI_IFR_WARNING_IF
*) OpCodeData
)->Warning
, sizeof (EFI_STRING_ID
));
2129 CurrentExpression
->TimeOut
= ((EFI_IFR_WARNING_IF
*) OpCodeData
)->TimeOut
;
2130 CurrentExpression
->Type
= EFI_HII_EXPRESSION_WARNING_IF
;
2131 InsertTailList (&ParentStatement
->WarningListHead
, &CurrentExpression
->Link
);
2134 // Take a look at next OpCode to see whether current expression consists
2137 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2138 SingleOpCodeExpression
= TRUE
;
2142 case EFI_IFR_SUPPRESS_IF_OP
:
2144 // Question and Option will appear in scope of this OpCode
2146 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2147 CurrentExpression
->Type
= EFI_HII_EXPRESSION_SUPPRESS_IF
;
2149 if (CurrentForm
== NULL
) {
2150 InsertTailList (&FormSet
->ExpressionListHead
, &CurrentExpression
->Link
);
2152 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2155 if (SuppressForOption
) {
2156 PushConditionalExpression(CurrentExpression
, ExpressOption
);
2157 } else if (SuppressForQuestion
) {
2158 PushConditionalExpression(CurrentExpression
, ExpressStatement
);
2160 PushConditionalExpression(CurrentExpression
, ExpressForm
);
2164 // Take a look at next OpCode to see whether current expression consists
2167 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2168 SingleOpCodeExpression
= TRUE
;
2172 case EFI_IFR_GRAY_OUT_IF_OP
:
2174 // Questions will appear in scope of this OpCode
2176 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2177 CurrentExpression
->Type
= EFI_HII_EXPRESSION_GRAY_OUT_IF
;
2178 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2179 PushConditionalExpression(CurrentExpression
, ExpressStatement
);
2182 // Take a look at next OpCode to see whether current expression consists
2185 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2186 SingleOpCodeExpression
= TRUE
;
2190 case EFI_IFR_DISABLE_IF_OP
:
2192 // The DisableIf expression should only rely on constant, so it could be
2193 // evaluated at initialization and it will not be queued
2195 CurrentExpression
= AllocateZeroPool (sizeof (FORM_EXPRESSION
));
2196 ASSERT (CurrentExpression
!= NULL
);
2197 CurrentExpression
->Signature
= FORM_EXPRESSION_SIGNATURE
;
2198 CurrentExpression
->Type
= EFI_HII_EXPRESSION_DISABLE_IF
;
2199 InitializeListHead (&CurrentExpression
->OpCodeListHead
);
2201 if (CurrentForm
!= NULL
) {
2203 // This is DisableIf for Question, enqueue it to Form expression list
2205 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2206 PushConditionalExpression(CurrentExpression
, ExpressStatement
);
2209 OpCodeDisabled
= FALSE
;
2210 InScopeDisable
= TRUE
;
2212 // Take a look at next OpCode to see whether current expression consists
2215 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2216 SingleOpCodeExpression
= TRUE
;
2223 case EFI_IFR_VALUE_OP
:
2224 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2225 CurrentExpression
->Type
= EFI_HII_EXPRESSION_VALUE
;
2226 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2228 if (InScopeDefault
) {
2230 // Used for default (EFI_IFR_DEFAULT)
2232 CurrentDefault
->ValueExpression
= CurrentExpression
;
2235 // If used for a question, then the question will be read-only
2238 // Make sure CurrentStatement is not NULL.
2239 // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
2240 // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
2242 ASSERT (ParentStatement
!= NULL
);
2243 ParentStatement
->ValueExpression
= CurrentExpression
;
2247 // Take a look at next OpCode to see whether current expression consists
2250 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2251 SingleOpCodeExpression
= TRUE
;
2255 case EFI_IFR_RULE_OP
:
2256 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2257 CurrentExpression
->Type
= EFI_HII_EXPRESSION_RULE
;
2259 CurrentExpression
->RuleId
= ((EFI_IFR_RULE
*) OpCodeData
)->RuleId
;
2260 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2263 // Take a look at next OpCode to see whether current expression consists
2266 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2267 SingleOpCodeExpression
= TRUE
;
2271 case EFI_IFR_READ_OP
:
2272 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2273 CurrentExpression
->Type
= EFI_HII_EXPRESSION_READ
;
2274 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2277 // Make sure CurrentStatement is not NULL.
2278 // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
2279 // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
2281 ASSERT (ParentStatement
!= NULL
);
2282 ParentStatement
->ReadExpression
= CurrentExpression
;
2285 // Take a look at next OpCode to see whether current expression consists
2288 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2289 SingleOpCodeExpression
= TRUE
;
2293 case EFI_IFR_WRITE_OP
:
2294 CurrentExpression
= CreateExpression (CurrentForm
, OpCodeData
);
2295 CurrentExpression
->Type
= EFI_HII_EXPRESSION_WRITE
;
2296 InsertTailList (&CurrentForm
->ExpressionListHead
, &CurrentExpression
->Link
);
2299 // Make sure CurrentStatement is not NULL.
2300 // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
2301 // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
2303 ASSERT (ParentStatement
!= NULL
);
2304 ParentStatement
->WriteExpression
= CurrentExpression
;
2307 // Take a look at next OpCode to see whether current expression consists
2310 if (((EFI_IFR_OP_HEADER
*) (OpCodeData
+ OpCodeLength
))->Scope
== 0) {
2311 SingleOpCodeExpression
= TRUE
;
2318 case EFI_IFR_IMAGE_OP
:
2320 // Get ScopeOpcode from top of stack
2322 PopScope (&ScopeOpCode
);
2323 PushScope (ScopeOpCode
);
2325 switch (ScopeOpCode
) {
2326 case EFI_IFR_FORM_SET_OP
:
2327 ImageId
= &FormSet
->ImageId
;
2330 case EFI_IFR_FORM_OP
:
2331 case EFI_IFR_FORM_MAP_OP
:
2332 ASSERT (CurrentForm
!= NULL
);
2333 ImageId
= &CurrentForm
->ImageId
;
2336 case EFI_IFR_ONE_OF_OPTION_OP
:
2337 ASSERT (CurrentOption
!= NULL
);
2338 ImageId
= &CurrentOption
->ImageId
;
2343 // Make sure CurrentStatement is not NULL.
2344 // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
2345 // file is wrongly generated by tools such as VFR Compiler.
2347 ASSERT (ParentStatement
!= NULL
);
2348 ImageId
= &ParentStatement
->ImageId
;
2352 ASSERT (ImageId
!= NULL
);
2353 CopyMem (ImageId
, &((EFI_IFR_IMAGE
*) OpCodeData
)->Id
, sizeof (EFI_IMAGE_ID
));
2359 case EFI_IFR_REFRESH_OP
:
2360 ASSERT (ParentStatement
!= NULL
);
2361 ParentStatement
->RefreshInterval
= ((EFI_IFR_REFRESH
*) OpCodeData
)->RefreshInterval
;
2367 case EFI_IFR_REFRESH_ID_OP
:
2368 ASSERT (ParentStatement
!= NULL
);
2369 CopyMem (&ParentStatement
->RefreshGuid
, &((EFI_IFR_REFRESH_ID
*) OpCodeData
)->RefreshEventGroupId
, sizeof (EFI_GUID
));
2375 case EFI_IFR_MODAL_TAG_OP
:
2376 ASSERT (CurrentForm
!= NULL
);
2377 CurrentForm
->ModalForm
= TRUE
;
2381 // Lock tag, used by form and statement.
2383 case EFI_IFR_LOCKED_OP
:
2385 // Get ScopeOpcode from top of stack
2387 PopScope (&ScopeOpCode
);
2388 PushScope (ScopeOpCode
);
2389 switch (ScopeOpCode
) {
2390 case EFI_IFR_FORM_OP
:
2391 case EFI_IFR_FORM_MAP_OP
:
2392 ASSERT (CurrentForm
!= NULL
);
2393 CurrentForm
->Locked
= TRUE
;
2397 ASSERT (ParentStatement
!= NULL
);
2398 ParentStatement
->Locked
= TRUE
;
2405 case EFI_IFR_GUID_OP
:
2406 CurrentStatement
= CreateStatement (OpCodeData
, FormSet
, CurrentForm
);
2412 case EFI_IFR_END_OP
:
2413 Status
= PopScope (&ScopeOpCode
);
2414 if (EFI_ERROR (Status
)) {
2420 // Parent statement end tag found, update ParentStatement info.
2422 if (IsStatementOpCode(ScopeOpCode
) && (ParentStatement
!= NULL
) && (ParentStatement
->Operand
== ScopeOpCode
)) {
2423 ParentStatement
= ParentStatement
->ParentStatement
;
2426 switch (ScopeOpCode
) {
2427 case EFI_IFR_FORM_SET_OP
:
2429 // End of FormSet, update FormSet IFR binary length
2430 // to stop parsing substantial OpCodes
2432 FormSet
->IfrBinaryLength
= OpCodeOffset
;
2435 case EFI_IFR_FORM_OP
:
2436 case EFI_IFR_FORM_MAP_OP
:
2441 SuppressForQuestion
= FALSE
;
2444 case EFI_IFR_ONE_OF_OPTION_OP
:
2448 CurrentOption
= NULL
;
2451 case EFI_IFR_NO_SUBMIT_IF_OP
:
2452 case EFI_IFR_INCONSISTENT_IF_OP
:
2453 case EFI_IFR_WARNING_IF_OP
:
2455 // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF
2459 case EFI_IFR_SUPPRESS_IF_OP
:
2460 if (SuppressForOption
) {
2461 PopConditionalExpression(ExpressOption
);
2462 } else if (SuppressForQuestion
) {
2463 PopConditionalExpression(ExpressStatement
);
2465 PopConditionalExpression(ExpressForm
);
2469 case EFI_IFR_GRAY_OUT_IF_OP
:
2470 PopConditionalExpression(ExpressStatement
);
2473 case EFI_IFR_DISABLE_IF_OP
:
2474 if (CurrentForm
!= NULL
) {
2475 PopConditionalExpression(ExpressStatement
);
2477 InScopeDisable
= FALSE
;
2478 OpCodeDisabled
= FALSE
;
2481 case EFI_IFR_ONE_OF_OP
:
2482 case EFI_IFR_ORDERED_LIST_OP
:
2483 SuppressForOption
= FALSE
;
2486 case EFI_IFR_DEFAULT_OP
:
2487 InScopeDefault
= FALSE
;
2490 case EFI_IFR_MAP_OP
:
2492 // Get current Map Expression List.
2494 Status
= PopMapExpressionList ((VOID
**) &MapExpressionList
);
2495 if (Status
== EFI_ACCESS_DENIED
) {
2496 MapExpressionList
= NULL
;
2499 // Get current expression.
2501 Status
= PopCurrentExpression ((VOID
**) &CurrentExpression
);
2502 ASSERT_EFI_ERROR (Status
);
2503 ASSERT (MapScopeDepth
> 0);
2508 if (IsExpressionOpCode (ScopeOpCode
)) {
2509 if (InScopeDisable
&& CurrentForm
== NULL
) {
2511 // This is DisableIf expression for Form, it should be a constant expression
2513 ASSERT (CurrentExpression
!= NULL
);
2514 Status
= EvaluateExpression (FormSet
, CurrentForm
, CurrentExpression
);
2515 if (EFI_ERROR (Status
)) {
2519 OpCodeDisabled
= IsTrue (&CurrentExpression
->Result
);
2522 // DisableIf Expression is only used once and not queued, free it
2524 DestroyExpression (CurrentExpression
);
2528 // End of current Expression
2530 CurrentExpression
= NULL
;
2540 if (IsStatementOpCode(Operand
)) {
2541 CurrentStatement
->ParentStatement
= ParentStatement
;
2544 // Scope != 0, other statements or options may nest in this statement.
2545 // Update the ParentStatement info.
2547 ParentStatement
= CurrentStatement
;