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93e3992d | 1 | /** @file |
813acf3a | 2 | Copyright (c) 2007 - 2008, Intel Corporation |
93e3992d | 3 | All rights reserved. This program and the accompanying materials |
4 | are licensed and made available under the terms and conditions of the BSD License | |
5 | which accompanies this distribution. The full text of the license may be found at | |
6 | http://opensource.org/licenses/bsd-license.php | |
7 | ||
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
10 | ||
11 | Module Name: | |
12 | ||
13 | IfrParse.c | |
14 | ||
15 | Abstract: | |
16 | ||
17 | Parser for IFR binary encoding. | |
18 | ||
19 | ||
20 | **/ | |
21 | ||
22 | #include "Setup.h" | |
23 | #include "Ui.h" | |
93e3992d | 24 | |
25 | UINT16 mStatementIndex; | |
26 | UINT16 mExpressionOpCodeIndex; | |
27 | ||
28 | BOOLEAN mInScopeSubtitle; | |
29 | BOOLEAN mInScopeSuppress; | |
30 | BOOLEAN mInScopeGrayOut; | |
31 | FORM_EXPRESSION *mSuppressExpression; | |
32 | FORM_EXPRESSION *mGrayOutExpression; | |
33 | ||
34 | EFI_GUID gTianoHiiIfrGuid = EFI_IFR_TIANO_GUID; | |
35 | ||
36 | ||
37 | /** | |
38 | Initialize Statement header members. | |
39 | ||
40 | @param OpCodeData Pointer of the raw OpCode data. | |
41 | @param FormSet Pointer of the current FormSe. | |
42 | @param Form Pointer of the current Form. | |
43 | ||
44 | @return The Statement. | |
45 | ||
46 | **/ | |
47 | FORM_BROWSER_STATEMENT * | |
48 | CreateStatement ( | |
49 | IN UINT8 *OpCodeData, | |
50 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
51 | IN OUT FORM_BROWSER_FORM *Form | |
52 | ) | |
53 | { | |
54 | FORM_BROWSER_STATEMENT *Statement; | |
55 | EFI_IFR_STATEMENT_HEADER *StatementHdr; | |
56 | ||
57 | if (Form == NULL) { | |
58 | // | |
59 | // We are currently not in a Form Scope, so just skip this Statement | |
60 | // | |
61 | return NULL; | |
62 | } | |
63 | ||
64 | Statement = &FormSet->StatementBuffer[mStatementIndex]; | |
65 | mStatementIndex++; | |
66 | ||
67 | InitializeListHead (&Statement->DefaultListHead); | |
68 | InitializeListHead (&Statement->OptionListHead); | |
69 | InitializeListHead (&Statement->InconsistentListHead); | |
70 | InitializeListHead (&Statement->NoSubmitListHead); | |
71 | ||
72 | Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE; | |
73 | ||
74 | Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; | |
75 | ||
76 | StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); | |
77 | CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID)); | |
78 | CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID)); | |
79 | ||
80 | if (mInScopeSuppress) { | |
81 | Statement->SuppressExpression = mSuppressExpression; | |
82 | } | |
83 | ||
84 | if (mInScopeGrayOut) { | |
85 | Statement->GrayOutExpression = mGrayOutExpression; | |
86 | } | |
87 | ||
88 | Statement->InSubtitle = mInScopeSubtitle; | |
89 | ||
90 | // | |
91 | // Insert this Statement into current Form | |
92 | // | |
93 | InsertTailList (&Form->StatementListHead, &Statement->Link); | |
94 | ||
95 | return Statement; | |
96 | } | |
97 | ||
98 | ||
99 | /** | |
100 | Initialize Question's members. | |
101 | ||
102 | @param OpCodeData Pointer of the raw OpCode data. | |
103 | @param FormSet Pointer of the current FormSet. | |
104 | @param Form Pointer of the current Form. | |
105 | ||
106 | @return The Question. | |
107 | ||
108 | **/ | |
109 | FORM_BROWSER_STATEMENT * | |
110 | CreateQuestion ( | |
111 | IN UINT8 *OpCodeData, | |
112 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
113 | IN OUT FORM_BROWSER_FORM *Form | |
114 | ) | |
115 | { | |
116 | FORM_BROWSER_STATEMENT *Statement; | |
117 | EFI_IFR_QUESTION_HEADER *QuestionHdr; | |
118 | LIST_ENTRY *Link; | |
119 | FORMSET_STORAGE *Storage; | |
120 | NAME_VALUE_NODE *NameValueNode; | |
121 | ||
122 | Statement = CreateStatement (OpCodeData, FormSet, Form); | |
123 | if (Statement == NULL) { | |
124 | return NULL; | |
125 | } | |
126 | ||
127 | QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); | |
128 | CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID)); | |
129 | CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
130 | CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16)); | |
131 | ||
132 | Statement->QuestionFlags = QuestionHdr->Flags; | |
133 | ||
134 | if (Statement->VarStoreId == 0) { | |
135 | // | |
136 | // VarStoreId of zero indicates no variable storage | |
137 | // | |
138 | return Statement; | |
139 | } | |
140 | ||
141 | // | |
142 | // Find Storage for this Question | |
143 | // | |
144 | Link = GetFirstNode (&FormSet->StorageListHead); | |
145 | while (!IsNull (&FormSet->StorageListHead, Link)) { | |
146 | Storage = FORMSET_STORAGE_FROM_LINK (Link); | |
147 | ||
148 | if (Storage->VarStoreId == Statement->VarStoreId) { | |
149 | Statement->Storage = Storage; | |
150 | break; | |
151 | } | |
152 | ||
153 | Link = GetNextNode (&FormSet->StorageListHead, Link); | |
154 | } | |
155 | ASSERT (Statement->Storage != NULL); | |
156 | ||
157 | // | |
158 | // Initialilze varname for Name/Value or EFI Variable | |
159 | // | |
160 | if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) || | |
161 | (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) { | |
162 | Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle); | |
163 | ASSERT (Statement->VariableName != NULL); | |
164 | ||
165 | if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) { | |
166 | // | |
167 | // Insert to Name/Value varstore list | |
168 | // | |
169 | NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE)); | |
170 | ASSERT (NameValueNode != NULL); | |
171 | NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE; | |
172 | NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName); | |
173 | ASSERT (NameValueNode->Name != NULL); | |
174 | NameValueNode->Value = AllocateZeroPool (0x10); | |
175 | ASSERT (NameValueNode->Value != NULL); | |
176 | NameValueNode->EditValue = AllocateZeroPool (0x10); | |
177 | ASSERT (NameValueNode->EditValue != NULL); | |
178 | ||
179 | InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link); | |
180 | } | |
181 | } | |
182 | ||
183 | return Statement; | |
184 | } | |
185 | ||
186 | ||
187 | /** | |
188 | Allocate a FORM_EXPRESSION node. | |
189 | ||
190 | @param Form The Form associated with this Expression | |
191 | ||
192 | @return Pointer to a FORM_EXPRESSION data structure. | |
193 | ||
194 | **/ | |
195 | FORM_EXPRESSION * | |
196 | CreateExpression ( | |
197 | IN OUT FORM_BROWSER_FORM *Form | |
198 | ) | |
199 | { | |
200 | FORM_EXPRESSION *Expression; | |
201 | ||
202 | Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); | |
203 | Expression->Signature = FORM_EXPRESSION_SIGNATURE; | |
204 | InitializeListHead (&Expression->OpCodeListHead); | |
205 | ||
206 | return Expression; | |
207 | } | |
208 | ||
209 | ||
210 | /** | |
211 | Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List. | |
212 | ||
213 | @param FormSet Pointer of the current FormSet | |
214 | ||
215 | @return Pointer to a FORMSET_STORAGE data structure. | |
216 | ||
217 | **/ | |
218 | FORMSET_STORAGE * | |
219 | CreateStorage ( | |
220 | IN FORM_BROWSER_FORMSET *FormSet | |
221 | ) | |
222 | { | |
223 | FORMSET_STORAGE *Storage; | |
224 | ||
225 | Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE)); | |
226 | Storage->Signature = FORMSET_STORAGE_SIGNATURE; | |
227 | InitializeListHead (&Storage->NameValueListHead); | |
228 | InsertTailList (&FormSet->StorageListHead, &Storage->Link); | |
229 | ||
230 | return Storage; | |
231 | } | |
232 | ||
233 | ||
234 | /** | |
235 | Create ConfigHdr string for a storage. | |
236 | ||
237 | @param FormSet Pointer of the current FormSet | |
238 | @param Storage Pointer of the storage | |
239 | ||
240 | @retval EFI_SUCCESS Initialize ConfigHdr success | |
241 | ||
242 | **/ | |
243 | EFI_STATUS | |
244 | InitializeConfigHdr ( | |
245 | IN FORM_BROWSER_FORMSET *FormSet, | |
246 | IN OUT FORMSET_STORAGE *Storage | |
247 | ) | |
248 | { | |
249 | EFI_STATUS Status; | |
250 | UINTN StrBufferLen; | |
251 | CHAR16 *Name; | |
252 | ||
253 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { | |
254 | Name = Storage->Name; | |
255 | } else { | |
256 | Name = NULL; | |
257 | } | |
258 | ||
259 | StrBufferLen = 0; | |
260 | Status = ConstructConfigHdr ( | |
261 | Storage->ConfigHdr, | |
262 | &StrBufferLen, | |
263 | &Storage->Guid, | |
264 | Name, | |
265 | FormSet->DriverHandle | |
266 | ); | |
267 | if (Status == EFI_BUFFER_TOO_SMALL) { | |
268 | Storage->ConfigHdr = AllocateZeroPool (StrBufferLen); | |
269 | Status = ConstructConfigHdr ( | |
270 | Storage->ConfigHdr, | |
271 | &StrBufferLen, | |
272 | &Storage->Guid, | |
273 | Name, | |
274 | FormSet->DriverHandle | |
275 | ); | |
276 | } | |
277 | ||
278 | if (EFI_ERROR (Status)) { | |
279 | return Status; | |
280 | } | |
281 | ||
282 | Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr); | |
283 | Storage->SpareStrLen = 0; | |
284 | ||
285 | return EFI_SUCCESS; | |
286 | } | |
287 | ||
288 | ||
289 | /** | |
290 | Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label> | |
291 | ||
292 | @param FormSet Pointer of the current FormSet. | |
293 | @param Question The Question to be initialized. | |
294 | ||
295 | @retval EFI_SUCCESS Function success. | |
296 | @retval EFI_INVALID_PARAMETER No storage associated with the Question. | |
297 | ||
298 | **/ | |
299 | EFI_STATUS | |
300 | InitializeRequestElement ( | |
301 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
302 | IN OUT FORM_BROWSER_STATEMENT *Question | |
303 | ) | |
304 | { | |
305 | FORMSET_STORAGE *Storage; | |
306 | UINTN StrLen; | |
307 | UINTN StringSize; | |
308 | CHAR16 *NewStr; | |
309 | CHAR16 RequestElement[30]; | |
310 | ||
311 | Storage = Question->Storage; | |
312 | if (Storage == NULL) { | |
313 | return EFI_INVALID_PARAMETER; | |
314 | } | |
315 | ||
316 | if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) { | |
317 | // | |
318 | // <ConfigRequest> is unnecessary for EFI variable storage, | |
319 | // GetVariable()/SetVariable() will be used to retrieve/save values | |
320 | // | |
321 | return EFI_SUCCESS; | |
322 | } | |
323 | ||
324 | // | |
325 | // Prepare <RequestElement> | |
326 | // | |
327 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { | |
328 | StrLen = UnicodeSPrint ( | |
329 | RequestElement, | |
330 | 30 * sizeof (CHAR16), | |
331 | L"&OFFSET=%x&WIDTH=%x", | |
332 | Question->VarStoreInfo.VarOffset, | |
333 | Question->StorageWidth | |
334 | ); | |
335 | Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement); | |
336 | } else { | |
337 | StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName); | |
338 | } | |
339 | ||
340 | if ((Question->Operand == EFI_IFR_PASSWORD_OP) && (Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK)) { | |
341 | // | |
342 | // Password with CALLBACK flag is stored in encoded format, | |
c56f5124 | 343 | // so don't need to append it to <ConfigRequest> |
93e3992d | 344 | // |
345 | return EFI_SUCCESS; | |
346 | } | |
347 | ||
348 | // | |
349 | // Append <RequestElement> to <ConfigRequest> | |
350 | // | |
351 | if (StrLen > Storage->SpareStrLen) { | |
352 | // | |
353 | // Old String buffer is not sufficient for RequestElement, allocate a new one | |
354 | // | |
c7b616cf | 355 | StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16); |
93e3992d | 356 | NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16)); |
357 | if (Storage->ConfigRequest != NULL) { | |
358 | CopyMem (NewStr, Storage->ConfigRequest, StringSize); | |
359 | gBS->FreePool (Storage->ConfigRequest); | |
360 | } | |
361 | Storage->ConfigRequest = NewStr; | |
362 | Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL; | |
363 | } | |
364 | ||
365 | StrCat (Storage->ConfigRequest, RequestElement); | |
366 | Storage->ElementCount++; | |
367 | Storage->SpareStrLen -= StrLen; | |
368 | ||
369 | return EFI_SUCCESS; | |
370 | } | |
371 | ||
372 | ||
373 | /** | |
374 | Free resources of a Expression | |
375 | ||
376 | @param FormSet Pointer of the Expression | |
377 | ||
378 | @return None. | |
379 | ||
380 | **/ | |
381 | VOID | |
382 | DestroyExpression ( | |
383 | IN FORM_EXPRESSION *Expression | |
384 | ) | |
385 | { | |
386 | LIST_ENTRY *Link; | |
387 | EXPRESSION_OPCODE *OpCode; | |
388 | ||
389 | while (!IsListEmpty (&Expression->OpCodeListHead)) { | |
390 | Link = GetFirstNode (&Expression->OpCodeListHead); | |
391 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link); | |
392 | RemoveEntryList (&OpCode->Link); | |
393 | ||
394 | SafeFreePool (OpCode->ValueList); | |
395 | } | |
396 | ||
397 | // | |
398 | // Free this Expression | |
399 | // | |
400 | gBS->FreePool (Expression); | |
401 | } | |
402 | ||
403 | ||
404 | /** | |
405 | Free resources of a storage | |
406 | ||
407 | @param Storage Pointer of the storage | |
408 | ||
409 | @return None. | |
410 | ||
411 | **/ | |
412 | VOID | |
413 | DestroyStorage ( | |
414 | IN FORMSET_STORAGE *Storage | |
415 | ) | |
416 | { | |
417 | LIST_ENTRY *Link; | |
418 | NAME_VALUE_NODE *NameValueNode; | |
419 | ||
420 | if (Storage == NULL) { | |
421 | return; | |
422 | } | |
423 | ||
424 | SafeFreePool (Storage->Name); | |
425 | SafeFreePool (Storage->Buffer); | |
426 | SafeFreePool (Storage->EditBuffer); | |
427 | ||
428 | while (!IsListEmpty (&Storage->NameValueListHead)) { | |
429 | Link = GetFirstNode (&Storage->NameValueListHead); | |
430 | NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link); | |
431 | RemoveEntryList (&NameValueNode->Link); | |
432 | ||
433 | SafeFreePool (NameValueNode->Name); | |
434 | SafeFreePool (NameValueNode->Value); | |
435 | SafeFreePool (NameValueNode->EditValue); | |
436 | SafeFreePool (NameValueNode); | |
437 | } | |
438 | ||
439 | SafeFreePool (Storage->ConfigHdr); | |
440 | SafeFreePool (Storage->ConfigRequest); | |
441 | ||
442 | gBS->FreePool (Storage); | |
443 | } | |
444 | ||
445 | ||
446 | /** | |
447 | Free resources of a Statement | |
448 | ||
449 | @param Statement Pointer of the Statement | |
450 | ||
451 | @return None. | |
452 | ||
453 | **/ | |
454 | VOID | |
455 | DestroyStatement ( | |
456 | IN OUT FORM_BROWSER_STATEMENT *Statement | |
457 | ) | |
458 | { | |
459 | LIST_ENTRY *Link; | |
460 | QUESTION_DEFAULT *Default; | |
461 | QUESTION_OPTION *Option; | |
462 | FORM_EXPRESSION *Expression; | |
463 | ||
464 | // | |
465 | // Free Default value List | |
466 | // | |
467 | while (!IsListEmpty (&Statement->DefaultListHead)) { | |
468 | Link = GetFirstNode (&Statement->DefaultListHead); | |
469 | Default = QUESTION_DEFAULT_FROM_LINK (Link); | |
470 | RemoveEntryList (&Default->Link); | |
471 | ||
472 | gBS->FreePool (Default); | |
473 | } | |
474 | ||
475 | // | |
476 | // Free Options List | |
477 | // | |
478 | while (!IsListEmpty (&Statement->OptionListHead)) { | |
479 | Link = GetFirstNode (&Statement->OptionListHead); | |
480 | Option = QUESTION_OPTION_FROM_LINK (Link); | |
481 | RemoveEntryList (&Option->Link); | |
482 | ||
483 | gBS->FreePool (Option); | |
484 | } | |
485 | ||
486 | // | |
487 | // Free Inconsistent List | |
488 | // | |
489 | while (!IsListEmpty (&Statement->InconsistentListHead)) { | |
490 | Link = GetFirstNode (&Statement->InconsistentListHead); | |
491 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
492 | RemoveEntryList (&Expression->Link); | |
493 | ||
494 | DestroyExpression (Expression); | |
495 | } | |
496 | ||
497 | // | |
498 | // Free NoSubmit List | |
499 | // | |
500 | while (!IsListEmpty (&Statement->NoSubmitListHead)) { | |
501 | Link = GetFirstNode (&Statement->NoSubmitListHead); | |
502 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
503 | RemoveEntryList (&Expression->Link); | |
504 | ||
505 | DestroyExpression (Expression); | |
506 | } | |
507 | ||
508 | SafeFreePool (Statement->VariableName); | |
509 | SafeFreePool (Statement->BlockName); | |
510 | } | |
511 | ||
512 | ||
513 | /** | |
514 | Free resources of a Form | |
515 | ||
516 | @param Form Pointer of the Form | |
517 | ||
518 | @return None. | |
519 | ||
520 | **/ | |
521 | VOID | |
522 | DestroyForm ( | |
523 | IN OUT FORM_BROWSER_FORM *Form | |
524 | ) | |
525 | { | |
526 | LIST_ENTRY *Link; | |
527 | FORM_EXPRESSION *Expression; | |
528 | FORM_BROWSER_STATEMENT *Statement; | |
529 | ||
530 | // | |
531 | // Free Form Expressions | |
532 | // | |
533 | while (!IsListEmpty (&Form->ExpressionListHead)) { | |
534 | Link = GetFirstNode (&Form->ExpressionListHead); | |
535 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
536 | RemoveEntryList (&Expression->Link); | |
537 | ||
538 | DestroyExpression (Expression); | |
539 | } | |
540 | ||
541 | // | |
542 | // Free Statements/Questions | |
543 | // | |
544 | while (!IsListEmpty (&Form->StatementListHead)) { | |
545 | Link = GetFirstNode (&Form->StatementListHead); | |
546 | Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link); | |
547 | RemoveEntryList (&Statement->Link); | |
548 | ||
549 | DestroyStatement (Statement); | |
550 | } | |
551 | ||
552 | // | |
553 | // Free this Form | |
554 | // | |
555 | gBS->FreePool (Form); | |
556 | } | |
557 | ||
558 | ||
559 | /** | |
560 | Free resources allocated for a FormSet | |
561 | ||
562 | @param FormSet Pointer of the FormSet | |
563 | ||
564 | @return None. | |
565 | ||
566 | **/ | |
567 | VOID | |
568 | DestroyFormSet ( | |
569 | IN OUT FORM_BROWSER_FORMSET *FormSet | |
570 | ) | |
571 | { | |
572 | LIST_ENTRY *Link; | |
573 | FORMSET_STORAGE *Storage; | |
574 | FORMSET_DEFAULTSTORE *DefaultStore; | |
575 | FORM_BROWSER_FORM *Form; | |
576 | ||
577 | // | |
578 | // Free IFR binary buffer | |
579 | // | |
580 | SafeFreePool (FormSet->IfrBinaryData); | |
581 | ||
582 | // | |
583 | // Free FormSet Storage | |
584 | // | |
585 | if (FormSet->StorageListHead.ForwardLink != NULL) { | |
586 | while (!IsListEmpty (&FormSet->StorageListHead)) { | |
587 | Link = GetFirstNode (&FormSet->StorageListHead); | |
588 | Storage = FORMSET_STORAGE_FROM_LINK (Link); | |
589 | RemoveEntryList (&Storage->Link); | |
590 | ||
591 | DestroyStorage (Storage); | |
592 | } | |
593 | } | |
594 | ||
595 | // | |
596 | // Free FormSet Default Store | |
597 | // | |
598 | if (FormSet->DefaultStoreListHead.ForwardLink != NULL) { | |
599 | while (!IsListEmpty (&FormSet->DefaultStoreListHead)) { | |
600 | Link = GetFirstNode (&FormSet->DefaultStoreListHead); | |
601 | DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link); | |
602 | RemoveEntryList (&DefaultStore->Link); | |
603 | ||
604 | gBS->FreePool (DefaultStore); | |
605 | } | |
606 | } | |
607 | ||
608 | // | |
609 | // Free Forms | |
610 | // | |
611 | if (FormSet->FormListHead.ForwardLink != NULL) { | |
612 | while (!IsListEmpty (&FormSet->FormListHead)) { | |
613 | Link = GetFirstNode (&FormSet->FormListHead); | |
614 | Form = FORM_BROWSER_FORM_FROM_LINK (Link); | |
615 | RemoveEntryList (&Form->Link); | |
616 | ||
617 | DestroyForm (Form); | |
618 | } | |
619 | } | |
620 | ||
621 | SafeFreePool (FormSet->StatementBuffer); | |
622 | SafeFreePool (FormSet->ExpressionBuffer); | |
623 | ||
624 | SafeFreePool (FormSet); | |
625 | } | |
626 | ||
627 | ||
628 | /** | |
629 | Tell whether this Operand is an Expression OpCode or not | |
630 | ||
631 | @param Operand Operand of an IFR OpCode. | |
632 | ||
633 | @retval TRUE This is an Expression OpCode. | |
634 | @retval FALSE Not an Expression OpCode. | |
635 | ||
636 | **/ | |
637 | BOOLEAN | |
638 | IsExpressionOpCode ( | |
639 | IN UINT8 Operand | |
640 | ) | |
641 | { | |
642 | if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) || | |
643 | ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) || | |
644 | (Operand == EFI_IFR_CATENATE_OP) | |
645 | ) { | |
646 | return TRUE; | |
647 | } else { | |
648 | return FALSE; | |
649 | } | |
650 | } | |
651 | ||
652 | ||
653 | /** | |
654 | Calculate number of Statemens(Questions) and Expression OpCodes. | |
655 | ||
656 | @param FormSet The FormSet to be counted. | |
657 | @param NumberOfStatement Number of Statemens(Questions) | |
658 | @param NumberOfExpression Number of Expression OpCodes | |
659 | ||
660 | @return None. | |
661 | ||
662 | **/ | |
663 | VOID | |
664 | CountOpCodes ( | |
665 | IN FORM_BROWSER_FORMSET *FormSet, | |
666 | IN OUT UINT16 *NumberOfStatement, | |
667 | IN OUT UINT16 *NumberOfExpression | |
668 | ) | |
669 | { | |
670 | UINT16 StatementCount; | |
671 | UINT16 ExpressionCount; | |
672 | UINT8 *OpCodeData; | |
673 | UINTN Offset; | |
674 | UINTN OpCodeLen; | |
675 | ||
676 | Offset = 0; | |
677 | StatementCount = 0; | |
678 | ExpressionCount = 0; | |
679 | ||
680 | while (Offset < FormSet->IfrBinaryLength) { | |
681 | OpCodeData = FormSet->IfrBinaryData + Offset; | |
682 | OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
683 | Offset += OpCodeLen; | |
684 | ||
685 | if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) { | |
686 | ExpressionCount++; | |
687 | } else { | |
688 | StatementCount++; | |
689 | } | |
690 | } | |
691 | ||
692 | *NumberOfStatement = StatementCount; | |
693 | *NumberOfExpression = ExpressionCount; | |
694 | } | |
695 | ||
696 | ||
697 | /** | |
698 | Parse opcodes in the formset IFR binary. | |
699 | ||
700 | @param FormSet Pointer of the FormSet data structure. | |
701 | ||
702 | @retval EFI_SUCCESS Opcode parse success. | |
703 | @retval Other Opcode parse fail. | |
704 | ||
705 | **/ | |
706 | EFI_STATUS | |
707 | ParseOpCodes ( | |
708 | IN FORM_BROWSER_FORMSET *FormSet | |
709 | ) | |
710 | { | |
711 | EFI_STATUS Status; | |
712 | UINT16 Index; | |
713 | FORM_BROWSER_FORM *CurrentForm; | |
714 | FORM_BROWSER_STATEMENT *CurrentStatement; | |
715 | EXPRESSION_OPCODE *ExpressionOpCode; | |
716 | FORM_EXPRESSION *CurrentExpression; | |
717 | UINT8 Operand; | |
718 | UINT8 Scope; | |
719 | UINTN OpCodeOffset; | |
720 | UINTN OpCodeLength; | |
721 | UINT8 *OpCodeData; | |
722 | UINT8 ScopeOpCode; | |
723 | FORMSET_STORAGE *Storage; | |
724 | FORMSET_DEFAULTSTORE *DefaultStore; | |
725 | QUESTION_DEFAULT *CurrentDefault; | |
726 | QUESTION_OPTION *CurrentOption; | |
727 | CHAR8 *AsciiString; | |
728 | UINT16 NumberOfStatement; | |
729 | UINT16 NumberOfExpression; | |
730 | EFI_IMAGE_ID *ImageId; | |
731 | BOOLEAN SuppressForOption; | |
732 | BOOLEAN InScopeOptionSuppress; | |
733 | FORM_EXPRESSION *OptionSuppressExpression; | |
734 | BOOLEAN InScopeDisable; | |
735 | UINT16 DepthOfDisable; | |
736 | BOOLEAN OpCodeDisabled; | |
737 | BOOLEAN SingleOpCodeExpression; | |
738 | BOOLEAN InScopeDefault; | |
739 | EFI_HII_VALUE *Value; | |
740 | ||
741 | mInScopeSubtitle = FALSE; | |
742 | SuppressForOption = FALSE; | |
743 | mInScopeSuppress = FALSE; | |
744 | InScopeOptionSuppress = FALSE; | |
745 | mInScopeGrayOut = FALSE; | |
746 | InScopeDisable = FALSE; | |
747 | DepthOfDisable = 0; | |
748 | OpCodeDisabled = FALSE; | |
749 | SingleOpCodeExpression = FALSE; | |
750 | InScopeDefault = FALSE; | |
751 | CurrentExpression = NULL; | |
752 | CurrentDefault = NULL; | |
753 | CurrentOption = NULL; | |
754 | OptionSuppressExpression = NULL; | |
755 | ||
756 | // | |
757 | // Get the number of Statements and Expressions | |
758 | // | |
759 | CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression); | |
760 | ||
761 | mStatementIndex = 0; | |
762 | FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT)); | |
763 | if (FormSet->StatementBuffer == NULL) { | |
764 | return EFI_OUT_OF_RESOURCES; | |
765 | } | |
766 | ||
767 | mExpressionOpCodeIndex = 0; | |
768 | FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE)); | |
769 | if (FormSet->ExpressionBuffer == NULL) { | |
770 | return EFI_OUT_OF_RESOURCES; | |
771 | } | |
772 | ||
773 | InitializeListHead (&FormSet->StorageListHead); | |
774 | InitializeListHead (&FormSet->DefaultStoreListHead); | |
775 | InitializeListHead (&FormSet->FormListHead); | |
776 | ||
777 | CurrentForm = NULL; | |
778 | CurrentStatement = NULL; | |
779 | ||
780 | ResetScopeStack (); | |
781 | ||
782 | OpCodeOffset = 0; | |
783 | while (OpCodeOffset < FormSet->IfrBinaryLength) { | |
784 | OpCodeData = FormSet->IfrBinaryData + OpCodeOffset; | |
785 | ||
786 | OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
787 | OpCodeOffset += OpCodeLength; | |
788 | Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; | |
789 | Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope; | |
790 | ||
791 | // | |
792 | // If scope bit set, push onto scope stack | |
793 | // | |
794 | if (Scope) { | |
795 | PushScope (Operand); | |
796 | } | |
797 | ||
798 | if (OpCodeDisabled) { | |
799 | // | |
800 | // DisableIf Expression is evaluated to be TRUE, try to find its end. | |
801 | // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END | |
802 | // | |
803 | if (Operand == EFI_IFR_DISABLE_IF_OP) { | |
804 | DepthOfDisable++; | |
805 | } else if (Operand == EFI_IFR_END_OP) { | |
806 | Status = PopScope (&ScopeOpCode); | |
807 | if (EFI_ERROR (Status)) { | |
808 | return Status; | |
809 | } | |
810 | ||
811 | if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) { | |
812 | if (DepthOfDisable == 0) { | |
813 | InScopeDisable = FALSE; | |
814 | OpCodeDisabled = FALSE; | |
815 | } else { | |
816 | DepthOfDisable--; | |
817 | } | |
818 | } | |
819 | } | |
820 | continue; | |
821 | } | |
822 | ||
823 | if (IsExpressionOpCode (Operand)) { | |
824 | ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex]; | |
825 | mExpressionOpCodeIndex++; | |
826 | ||
827 | ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE; | |
828 | ExpressionOpCode->Operand = Operand; | |
829 | Value = &ExpressionOpCode->Value; | |
830 | ||
831 | switch (Operand) { | |
832 | case EFI_IFR_EQ_ID_VAL_OP: | |
833 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
834 | ||
835 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
836 | CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16)); | |
837 | break; | |
838 | ||
839 | case EFI_IFR_EQ_ID_ID_OP: | |
840 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID)); | |
841 | CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID)); | |
842 | break; | |
843 | ||
844 | case EFI_IFR_EQ_ID_LIST_OP: | |
845 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
846 | CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16)); | |
847 | ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList); | |
848 | break; | |
849 | ||
850 | case EFI_IFR_TO_STRING_OP: | |
851 | case EFI_IFR_FIND_OP: | |
852 | ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format; | |
853 | break; | |
854 | ||
855 | case EFI_IFR_STRING_REF1_OP: | |
856 | Value->Type = EFI_IFR_TYPE_STRING; | |
857 | CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID)); | |
858 | break; | |
859 | ||
860 | case EFI_IFR_RULE_REF_OP: | |
861 | ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId; | |
862 | break; | |
863 | ||
864 | case EFI_IFR_SPAN_OP: | |
865 | ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags; | |
866 | break; | |
867 | ||
868 | case EFI_IFR_THIS_OP: | |
869 | ExpressionOpCode->QuestionId = CurrentStatement->QuestionId; | |
870 | break; | |
871 | ||
872 | case EFI_IFR_QUESTION_REF1_OP: | |
873 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
874 | break; | |
875 | ||
876 | case EFI_IFR_QUESTION_REF3_OP: | |
877 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) { | |
878 | CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); | |
879 | ||
880 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) { | |
881 | CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
882 | } | |
883 | } | |
884 | break; | |
885 | ||
886 | // | |
887 | // constant | |
888 | // | |
889 | case EFI_IFR_TRUE_OP: | |
890 | Value->Type = EFI_IFR_TYPE_BOOLEAN; | |
891 | Value->Value.b = TRUE; | |
892 | break; | |
893 | ||
894 | case EFI_IFR_FALSE_OP: | |
895 | Value->Type = EFI_IFR_TYPE_BOOLEAN; | |
896 | Value->Value.b = FALSE; | |
897 | break; | |
898 | ||
899 | case EFI_IFR_ONE_OP: | |
900 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
901 | Value->Value.u8 = 1; | |
902 | break; | |
903 | ||
904 | case EFI_IFR_ZERO_OP: | |
905 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
906 | Value->Value.u8 = 0; | |
907 | break; | |
908 | ||
909 | case EFI_IFR_ONES_OP: | |
910 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
ee17f9c1 | 911 | Value->Value.u64 = 0xffffffffffffffffULL; |
93e3992d | 912 | break; |
913 | ||
914 | case EFI_IFR_UINT8_OP: | |
915 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
916 | Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value; | |
917 | break; | |
918 | ||
919 | case EFI_IFR_UINT16_OP: | |
920 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
921 | CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16)); | |
922 | break; | |
923 | ||
924 | case EFI_IFR_UINT32_OP: | |
925 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; | |
926 | CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32)); | |
927 | break; | |
928 | ||
929 | case EFI_IFR_UINT64_OP: | |
930 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
931 | CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64)); | |
932 | break; | |
933 | ||
934 | case EFI_IFR_UNDEFINED_OP: | |
935 | Value->Type = EFI_IFR_TYPE_OTHER; | |
936 | break; | |
937 | ||
938 | case EFI_IFR_VERSION_OP: | |
939 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
940 | Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION; | |
941 | break; | |
942 | ||
943 | default: | |
944 | break; | |
945 | } | |
946 | ||
947 | InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link); | |
948 | ||
949 | if (SingleOpCodeExpression) { | |
950 | // | |
951 | // There are two cases to indicate the end of an Expression: | |
952 | // for single OpCode expression: one Expression OpCode | |
953 | // for expression consists of more than one OpCode: EFI_IFR_END | |
954 | // | |
955 | SingleOpCodeExpression = FALSE; | |
956 | ||
957 | if (InScopeDisable) { | |
958 | // | |
959 | // Evaluate DisableIf expression | |
960 | // | |
961 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); | |
962 | if (EFI_ERROR (Status)) { | |
963 | return Status; | |
964 | } | |
965 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { | |
966 | return EFI_INVALID_PARAMETER; | |
967 | } | |
968 | ||
969 | OpCodeDisabled = CurrentExpression->Result.Value.b; | |
970 | } | |
971 | ||
972 | CurrentExpression = NULL; | |
973 | } | |
974 | ||
975 | continue; | |
976 | } | |
977 | ||
978 | // | |
979 | // Parse the Opcode | |
980 | // | |
981 | switch (Operand) { | |
982 | ||
983 | case EFI_IFR_FORM_SET_OP: | |
984 | // | |
985 | // check the formset GUID | |
986 | // | |
987 | if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) { | |
988 | return EFI_INVALID_PARAMETER; | |
989 | } | |
990 | ||
991 | CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID)); | |
992 | CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID)); | |
993 | break; | |
994 | ||
995 | case EFI_IFR_FORM_OP: | |
996 | // | |
997 | // Create a new Form for this FormSet | |
998 | // | |
999 | CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM)); | |
1000 | CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE; | |
1001 | InitializeListHead (&CurrentForm->ExpressionListHead); | |
1002 | InitializeListHead (&CurrentForm->StatementListHead); | |
1003 | ||
1004 | CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16)); | |
1005 | CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID)); | |
1006 | ||
1007 | // | |
1008 | // Insert into Form list of this FormSet | |
1009 | // | |
1010 | InsertTailList (&FormSet->FormListHead, &CurrentForm->Link); | |
1011 | break; | |
1012 | ||
1013 | // | |
1014 | // Storage | |
1015 | // | |
1016 | case EFI_IFR_VARSTORE_OP: | |
1017 | // | |
1018 | // Create a buffer Storage for this FormSet | |
1019 | // | |
1020 | Storage = CreateStorage (FormSet); | |
1021 | Storage->Type = EFI_HII_VARSTORE_BUFFER; | |
1022 | ||
1023 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1024 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1025 | CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16)); | |
1026 | ||
1027 | Storage->Buffer = AllocateZeroPool (Storage->Size); | |
1028 | Storage->EditBuffer = AllocateZeroPool (Storage->Size); | |
1029 | ||
1030 | AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name; | |
1031 | Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2); | |
1032 | ASSERT (Storage->Name != NULL); | |
1033 | for (Index = 0; AsciiString[Index] != 0; Index++) { | |
1034 | Storage->Name[Index] = (CHAR16) AsciiString[Index]; | |
1035 | } | |
1036 | ||
1037 | // | |
1038 | // Initialize <ConfigHdr> | |
1039 | // | |
1040 | InitializeConfigHdr (FormSet, Storage); | |
1041 | break; | |
1042 | ||
1043 | case EFI_IFR_VARSTORE_NAME_VALUE_OP: | |
1044 | // | |
1045 | // Create a name/value Storage for this FormSet | |
1046 | // | |
1047 | Storage = CreateStorage (FormSet); | |
1048 | Storage->Type = EFI_HII_VARSTORE_NAME_VALUE; | |
1049 | ||
1050 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1051 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1052 | ||
1053 | // | |
1054 | // Initialize <ConfigHdr> | |
1055 | // | |
1056 | InitializeConfigHdr (FormSet, Storage); | |
1057 | break; | |
1058 | ||
1059 | case EFI_IFR_VARSTORE_EFI_OP: | |
1060 | // | |
1061 | // Create a EFI variable Storage for this FormSet | |
1062 | // | |
1063 | Storage = CreateStorage (FormSet); | |
1064 | Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE; | |
1065 | ||
1066 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1067 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1068 | CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32)); | |
1069 | break; | |
1070 | ||
1071 | // | |
1072 | // DefaultStore | |
1073 | // | |
1074 | case EFI_IFR_DEFAULTSTORE_OP: | |
1075 | DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE)); | |
1076 | DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE; | |
1077 | ||
1078 | CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16)); | |
1079 | CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID)); | |
1080 | ||
1081 | // | |
1082 | // Insert to DefaultStore list of this Formset | |
1083 | // | |
1084 | InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link); | |
1085 | break; | |
1086 | ||
1087 | // | |
1088 | // Statements | |
1089 | // | |
1090 | case EFI_IFR_SUBTITLE_OP: | |
1091 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); | |
1092 | CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags; | |
1093 | ||
1094 | if (Scope) { | |
1095 | mInScopeSubtitle = TRUE; | |
1096 | } | |
1097 | break; | |
1098 | ||
1099 | case EFI_IFR_TEXT_OP: | |
1100 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); | |
1101 | ||
1102 | CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID)); | |
1103 | break; | |
1104 | ||
1105 | // | |
1106 | // Questions | |
1107 | // | |
1108 | case EFI_IFR_ACTION_OP: | |
1109 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1110 | ||
1111 | if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) { | |
1112 | // | |
1113 | // No QuestionConfig present, so no configuration string will be processed | |
1114 | // | |
1115 | CurrentStatement->QuestionConfig = 0; | |
1116 | } else { | |
1117 | CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID)); | |
1118 | } | |
1119 | break; | |
1120 | ||
1121 | case EFI_IFR_RESET_BUTTON_OP: | |
1122 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1123 | ||
1124 | CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID)); | |
1125 | break; | |
1126 | ||
1127 | case EFI_IFR_REF_OP: | |
1128 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1129 | ||
1130 | CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID)); | |
1131 | if (OpCodeLength >= sizeof (EFI_IFR_REF2)) { | |
1132 | CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
1133 | ||
1134 | if (OpCodeLength >= sizeof (EFI_IFR_REF3)) { | |
1135 | CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID)); | |
1136 | ||
1137 | if (OpCodeLength >= sizeof (EFI_IFR_REF4)) { | |
1138 | CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); | |
1139 | } | |
1140 | } | |
1141 | } | |
1142 | break; | |
1143 | ||
1144 | case EFI_IFR_ONE_OF_OP: | |
1145 | case EFI_IFR_NUMERIC_OP: | |
1146 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1147 | ||
1148 | CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags; | |
1149 | Value = &CurrentStatement->HiiValue; | |
1150 | ||
1151 | switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) { | |
1152 | case EFI_IFR_NUMERIC_SIZE_1: | |
1153 | CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue; | |
1154 | CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue; | |
1155 | CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step; | |
1156 | CurrentStatement->StorageWidth = sizeof (UINT8); | |
1157 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
1158 | break; | |
1159 | ||
1160 | case EFI_IFR_NUMERIC_SIZE_2: | |
1161 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16)); | |
1162 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16)); | |
1163 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16)); | |
1164 | CurrentStatement->StorageWidth = sizeof (UINT16); | |
1165 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
1166 | break; | |
1167 | ||
1168 | case EFI_IFR_NUMERIC_SIZE_4: | |
1169 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32)); | |
1170 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32)); | |
1171 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32)); | |
1172 | CurrentStatement->StorageWidth = sizeof (UINT32); | |
1173 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; | |
1174 | break; | |
1175 | ||
1176 | case EFI_IFR_NUMERIC_SIZE_8: | |
1177 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64)); | |
1178 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64)); | |
1179 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64)); | |
1180 | CurrentStatement->StorageWidth = sizeof (UINT64); | |
1181 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
1182 | break; | |
1183 | ||
1184 | default: | |
1185 | break; | |
1186 | } | |
1187 | ||
1188 | InitializeRequestElement (FormSet, CurrentStatement); | |
1189 | ||
1190 | if ((Operand == EFI_IFR_ONE_OF_OP) && Scope) { | |
1191 | SuppressForOption = TRUE; | |
1192 | } | |
1193 | break; | |
1194 | ||
1195 | case EFI_IFR_ORDERED_LIST_OP: | |
1196 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1197 | ||
1198 | CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags; | |
1199 | CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers; | |
1200 | CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8)); | |
1201 | InitializeRequestElement (FormSet, CurrentStatement); | |
1202 | ||
1203 | // | |
1204 | // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver | |
1205 | // has to use FormBrowser2.Callback() to retrieve the uncommited data for | |
1206 | // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set). | |
1207 | // | |
1208 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER; | |
1209 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth); | |
1210 | ||
1211 | if (Scope) { | |
1212 | SuppressForOption = TRUE; | |
1213 | } | |
1214 | break; | |
1215 | ||
1216 | case EFI_IFR_CHECKBOX_OP: | |
1217 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1218 | ||
1219 | CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags; | |
1220 | CurrentStatement->StorageWidth = sizeof (BOOLEAN); | |
1221 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN; | |
1222 | ||
1223 | InitializeRequestElement (FormSet, CurrentStatement); | |
1224 | break; | |
1225 | ||
1226 | case EFI_IFR_STRING_OP: | |
1227 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1228 | ||
1229 | // | |
1230 | // MinSize is the minimum number of characters that can be accepted for this opcode, | |
1231 | // MaxSize is the maximum number of characters that can be accepted for this opcode. | |
1232 | // The characters are stored as Unicode, so the storage width should multiply 2. | |
1233 | // | |
1234 | CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize; | |
1235 | CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize; | |
813acf3a | 1236 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16)); |
93e3992d | 1237 | CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags; |
1238 | ||
1239 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; | |
813acf3a | 1240 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16)); |
93e3992d | 1241 | |
1242 | InitializeRequestElement (FormSet, CurrentStatement); | |
1243 | break; | |
1244 | ||
1245 | case EFI_IFR_PASSWORD_OP: | |
1246 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1247 | ||
1248 | // | |
1249 | // MinSize is the minimum number of characters that can be accepted for this opcode, | |
1250 | // MaxSize is the maximum number of characters that can be accepted for this opcode. | |
1251 | // The characters are stored as Unicode, so the storage width should multiply 2. | |
1252 | // | |
1253 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16)); | |
1254 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16)); | |
813acf3a | 1255 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16)); |
93e3992d | 1256 | |
1257 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; | |
813acf3a | 1258 | CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16))); |
93e3992d | 1259 | |
1260 | InitializeRequestElement (FormSet, CurrentStatement); | |
1261 | break; | |
1262 | ||
1263 | case EFI_IFR_DATE_OP: | |
1264 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1265 | ||
1266 | CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags; | |
1267 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE; | |
1268 | ||
1269 | if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) { | |
1270 | CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE); | |
1271 | ||
1272 | InitializeRequestElement (FormSet, CurrentStatement); | |
1273 | } else { | |
1274 | // | |
1275 | // Don't assign storage for RTC type of date/time | |
1276 | // | |
1277 | CurrentStatement->Storage = NULL; | |
1278 | CurrentStatement->StorageWidth = 0; | |
1279 | } | |
1280 | break; | |
1281 | ||
1282 | case EFI_IFR_TIME_OP: | |
1283 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1284 | ||
1285 | CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags; | |
1286 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME; | |
1287 | ||
1288 | if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) { | |
1289 | CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME); | |
1290 | ||
1291 | InitializeRequestElement (FormSet, CurrentStatement); | |
1292 | } else { | |
1293 | // | |
1294 | // Don't assign storage for RTC type of date/time | |
1295 | // | |
1296 | CurrentStatement->Storage = NULL; | |
1297 | CurrentStatement->StorageWidth = 0; | |
1298 | } | |
1299 | break; | |
1300 | ||
1301 | // | |
1302 | // Default | |
1303 | // | |
1304 | case EFI_IFR_DEFAULT_OP: | |
1305 | // | |
1306 | // EFI_IFR_DEFAULT appear in scope of a Question, | |
1307 | // It creates a default value for the current question. | |
1308 | // A Question may have more than one Default value which have different default types. | |
1309 | // | |
1310 | CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT)); | |
1311 | CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE; | |
1312 | ||
1313 | CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type; | |
1314 | CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16)); | |
1315 | CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); | |
1316 | ExtendValueToU64 (&CurrentDefault->Value); | |
1317 | ||
1318 | // | |
1319 | // Insert to Default Value list of current Question | |
1320 | // | |
1321 | InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link); | |
1322 | ||
1323 | if (Scope) { | |
1324 | InScopeDefault = TRUE; | |
1325 | } | |
1326 | break; | |
1327 | ||
1328 | // | |
1329 | // Option | |
1330 | // | |
1331 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1332 | // | |
1333 | // EFI_IFR_ONE_OF_OPTION appear in scope of a Question. | |
1334 | // It create a selection for use in current Question. | |
1335 | // | |
1336 | CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION)); | |
1337 | CurrentOption->Signature = QUESTION_OPTION_SIGNATURE; | |
1338 | ||
1339 | CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags; | |
1340 | CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type; | |
1341 | CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID)); | |
1342 | CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); | |
1343 | ExtendValueToU64 (&CurrentOption->Value); | |
1344 | ||
1345 | if (InScopeOptionSuppress) { | |
1346 | CurrentOption->SuppressExpression = OptionSuppressExpression; | |
1347 | } | |
1348 | ||
1349 | // | |
1350 | // Insert to Option list of current Question | |
1351 | // | |
1352 | InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link); | |
1353 | break; | |
1354 | ||
1355 | // | |
1356 | // Conditional | |
1357 | // | |
1358 | case EFI_IFR_NO_SUBMIT_IF_OP: | |
1359 | case EFI_IFR_INCONSISTENT_IF_OP: | |
1360 | // | |
1361 | // Create an Expression node | |
1362 | // | |
1363 | CurrentExpression = CreateExpression (CurrentForm); | |
1364 | CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID)); | |
1365 | ||
1366 | if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) { | |
1367 | CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF; | |
1368 | InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link); | |
1369 | } else { | |
1370 | CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF; | |
1371 | InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link); | |
1372 | } | |
1373 | break; | |
1374 | ||
1375 | case EFI_IFR_SUPPRESS_IF_OP: | |
1376 | // | |
1377 | // Question and Option will appear in scope of this OpCode | |
1378 | // | |
1379 | CurrentExpression = CreateExpression (CurrentForm); | |
1380 | CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF; | |
1381 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1382 | ||
1383 | if (SuppressForOption) { | |
1384 | InScopeOptionSuppress = TRUE; | |
1385 | OptionSuppressExpression = CurrentExpression; | |
1386 | } else { | |
1387 | mInScopeSuppress = TRUE; | |
1388 | mSuppressExpression = CurrentExpression; | |
1389 | } | |
1390 | break; | |
1391 | ||
1392 | case EFI_IFR_GRAY_OUT_IF_OP: | |
1393 | // | |
1394 | // Questions will appear in scope of this OpCode | |
1395 | // | |
1396 | CurrentExpression = CreateExpression (CurrentForm); | |
1397 | CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF; | |
1398 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1399 | ||
1400 | mInScopeGrayOut = TRUE; | |
1401 | mGrayOutExpression = CurrentExpression; | |
1402 | break; | |
1403 | ||
1404 | case EFI_IFR_DISABLE_IF_OP: | |
1405 | // | |
1406 | // The DisableIf expression should only rely on constant, so it could be | |
1407 | // evaluated at initialization and it will not be queued | |
1408 | // | |
1409 | CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); | |
1410 | CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE; | |
1411 | CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF; | |
1412 | InitializeListHead (&CurrentExpression->OpCodeListHead); | |
1413 | ||
1414 | InScopeDisable = TRUE; | |
1415 | OpCodeDisabled = FALSE; | |
1416 | ||
1417 | // | |
1418 | // Take a look at next OpCode to see whether current expression consists | |
1419 | // of single OpCode | |
1420 | // | |
1421 | if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) { | |
1422 | SingleOpCodeExpression = TRUE; | |
1423 | } | |
1424 | break; | |
1425 | ||
1426 | // | |
1427 | // Expression | |
1428 | // | |
1429 | case EFI_IFR_VALUE_OP: | |
1430 | CurrentExpression = CreateExpression (CurrentForm); | |
1431 | CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE; | |
1432 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1433 | ||
1434 | if (InScopeDefault) { | |
1435 | // | |
1436 | // Used for default (EFI_IFR_DEFAULT) | |
1437 | // | |
1438 | CurrentDefault->ValueExpression = CurrentExpression; | |
1439 | } else { | |
1440 | // | |
1441 | // If used for a question, then the question will be read-only | |
1442 | // | |
1443 | CurrentStatement->ValueExpression = CurrentExpression; | |
1444 | } | |
1445 | break; | |
1446 | ||
1447 | case EFI_IFR_RULE_OP: | |
1448 | CurrentExpression = CreateExpression (CurrentForm); | |
1449 | CurrentExpression->Type = EFI_HII_EXPRESSION_RULE; | |
1450 | ||
1451 | CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId; | |
1452 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1453 | break; | |
1454 | ||
1455 | // | |
1456 | // Image | |
1457 | // | |
1458 | case EFI_IFR_IMAGE_OP: | |
1459 | // | |
1460 | // Get ScopeOpcode from top of stack | |
1461 | // | |
1462 | PopScope (&ScopeOpCode); | |
1463 | PushScope (ScopeOpCode); | |
1464 | ||
1465 | switch (ScopeOpCode) { | |
1466 | case EFI_IFR_FORM_SET_OP: | |
1467 | ImageId = &FormSet->ImageId; | |
1468 | break; | |
1469 | ||
1470 | case EFI_IFR_FORM_OP: | |
1471 | ImageId = &CurrentForm->ImageId; | |
1472 | break; | |
1473 | ||
1474 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1475 | ImageId = &CurrentOption->ImageId; | |
1476 | break; | |
1477 | ||
1478 | default: | |
1479 | ImageId = &CurrentStatement->ImageId; | |
1480 | break; | |
1481 | } | |
1482 | ||
1483 | CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID)); | |
1484 | break; | |
1485 | ||
1486 | // | |
1487 | // Refresh | |
1488 | // | |
1489 | case EFI_IFR_REFRESH_OP: | |
1490 | CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval; | |
1491 | break; | |
1492 | ||
1493 | // | |
1494 | // Vendor specific | |
1495 | // | |
1496 | case EFI_IFR_GUID_OP: | |
1497 | if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) { | |
1498 | // | |
1499 | // Tiano specific GUIDed opcodes | |
1500 | // | |
1501 | switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) { | |
1502 | case EFI_IFR_EXTEND_OP_LABEL: | |
1503 | // | |
1504 | // just ignore label | |
1505 | // | |
1506 | break; | |
1507 | ||
1508 | case EFI_IFR_EXTEND_OP_BANNER: | |
1509 | if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) { | |
1510 | CopyMem ( | |
1511 | &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][ | |
1512 | ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment], | |
1513 | &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title, | |
1514 | sizeof (EFI_STRING_ID) | |
1515 | ); | |
1516 | } | |
1517 | break; | |
1518 | ||
1519 | case EFI_IFR_EXTEND_OP_CLASS: | |
1520 | CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16)); | |
1521 | break; | |
1522 | ||
1523 | case EFI_IFR_EXTEND_OP_SUBCLASS: | |
1524 | CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16)); | |
1525 | break; | |
1526 | ||
1527 | default: | |
1528 | break; | |
1529 | } | |
1530 | } | |
1531 | break; | |
1532 | ||
1533 | // | |
1534 | // Scope End | |
1535 | // | |
1536 | case EFI_IFR_END_OP: | |
1537 | Status = PopScope (&ScopeOpCode); | |
1538 | if (EFI_ERROR (Status)) { | |
1539 | ResetScopeStack (); | |
1540 | return Status; | |
1541 | } | |
1542 | ||
1543 | switch (ScopeOpCode) { | |
1544 | case EFI_IFR_FORM_SET_OP: | |
1545 | // | |
1546 | // End of FormSet, update FormSet IFR binary length | |
1547 | // to stop parsing substantial OpCodes | |
1548 | // | |
1549 | FormSet->IfrBinaryLength = OpCodeOffset; | |
1550 | break; | |
1551 | ||
1552 | case EFI_IFR_FORM_OP: | |
1553 | // | |
1554 | // End of Form | |
1555 | // | |
1556 | CurrentForm = NULL; | |
1557 | break; | |
1558 | ||
1559 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1560 | // | |
1561 | // End of Option | |
1562 | // | |
1563 | CurrentOption = NULL; | |
1564 | break; | |
1565 | ||
1566 | case EFI_IFR_SUBTITLE_OP: | |
1567 | mInScopeSubtitle = FALSE; | |
1568 | break; | |
1569 | ||
1570 | case EFI_IFR_NO_SUBMIT_IF_OP: | |
1571 | case EFI_IFR_INCONSISTENT_IF_OP: | |
1572 | // | |
1573 | // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF | |
1574 | // | |
1575 | break; | |
1576 | ||
1577 | case EFI_IFR_SUPPRESS_IF_OP: | |
1578 | if (SuppressForOption) { | |
1579 | InScopeOptionSuppress = FALSE; | |
1580 | } else { | |
1581 | mInScopeSuppress = FALSE; | |
1582 | } | |
1583 | break; | |
1584 | ||
1585 | case EFI_IFR_GRAY_OUT_IF_OP: | |
1586 | mInScopeGrayOut = FALSE; | |
1587 | break; | |
1588 | ||
1589 | case EFI_IFR_DISABLE_IF_OP: | |
1590 | InScopeDisable = FALSE; | |
1591 | OpCodeDisabled = FALSE; | |
1592 | break; | |
1593 | ||
1594 | case EFI_IFR_ONE_OF_OP: | |
1595 | case EFI_IFR_ORDERED_LIST_OP: | |
1596 | SuppressForOption = FALSE; | |
1597 | break; | |
1598 | ||
1599 | case EFI_IFR_DEFAULT_OP: | |
1600 | InScopeDefault = FALSE; | |
1601 | break; | |
1602 | ||
1603 | default: | |
1604 | if (IsExpressionOpCode (ScopeOpCode)) { | |
1605 | if (InScopeDisable) { | |
1606 | // | |
1607 | // Evaluate DisableIf expression | |
1608 | // | |
1609 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); | |
1610 | if (EFI_ERROR (Status)) { | |
1611 | return Status; | |
1612 | } | |
1613 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { | |
1614 | return EFI_INVALID_PARAMETER; | |
1615 | } | |
1616 | ||
1617 | OpCodeDisabled = CurrentExpression->Result.Value.b; | |
1618 | // | |
1619 | // DisableIf Expression is only used once and not quequed, free it | |
1620 | // | |
1621 | DestroyExpression (CurrentExpression); | |
1622 | } | |
1623 | ||
1624 | // | |
1625 | // End of current Expression | |
1626 | // | |
1627 | CurrentExpression = NULL; | |
1628 | } | |
1629 | break; | |
1630 | } | |
1631 | break; | |
1632 | ||
1633 | default: | |
1634 | break; | |
1635 | } | |
1636 | } | |
1637 | ||
1638 | return EFI_SUCCESS; | |
1639 | } |