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93e3992d | 1 | /** @file |
2 | Copyright (c) 2007, Intel Corporation | |
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" | |
24 | //@MT:#include "EfiPrintLib.h" | |
25 | ||
26 | UINT16 mStatementIndex; | |
27 | UINT16 mExpressionOpCodeIndex; | |
28 | ||
29 | BOOLEAN mInScopeSubtitle; | |
30 | BOOLEAN mInScopeSuppress; | |
31 | BOOLEAN mInScopeGrayOut; | |
32 | FORM_EXPRESSION *mSuppressExpression; | |
33 | FORM_EXPRESSION *mGrayOutExpression; | |
34 | ||
35 | EFI_GUID gTianoHiiIfrGuid = EFI_IFR_TIANO_GUID; | |
36 | ||
37 | ||
38 | /** | |
39 | Initialize Statement header members. | |
40 | ||
41 | @param OpCodeData Pointer of the raw OpCode data. | |
42 | @param FormSet Pointer of the current FormSe. | |
43 | @param Form Pointer of the current Form. | |
44 | ||
45 | @return The Statement. | |
46 | ||
47 | **/ | |
48 | FORM_BROWSER_STATEMENT * | |
49 | CreateStatement ( | |
50 | IN UINT8 *OpCodeData, | |
51 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
52 | IN OUT FORM_BROWSER_FORM *Form | |
53 | ) | |
54 | { | |
55 | FORM_BROWSER_STATEMENT *Statement; | |
56 | EFI_IFR_STATEMENT_HEADER *StatementHdr; | |
57 | ||
58 | if (Form == NULL) { | |
59 | // | |
60 | // We are currently not in a Form Scope, so just skip this Statement | |
61 | // | |
62 | return NULL; | |
63 | } | |
64 | ||
65 | Statement = &FormSet->StatementBuffer[mStatementIndex]; | |
66 | mStatementIndex++; | |
67 | ||
68 | InitializeListHead (&Statement->DefaultListHead); | |
69 | InitializeListHead (&Statement->OptionListHead); | |
70 | InitializeListHead (&Statement->InconsistentListHead); | |
71 | InitializeListHead (&Statement->NoSubmitListHead); | |
72 | ||
73 | Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE; | |
74 | ||
75 | Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; | |
76 | ||
77 | StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); | |
78 | CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID)); | |
79 | CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID)); | |
80 | ||
81 | if (mInScopeSuppress) { | |
82 | Statement->SuppressExpression = mSuppressExpression; | |
83 | } | |
84 | ||
85 | if (mInScopeGrayOut) { | |
86 | Statement->GrayOutExpression = mGrayOutExpression; | |
87 | } | |
88 | ||
89 | Statement->InSubtitle = mInScopeSubtitle; | |
90 | ||
91 | // | |
92 | // Insert this Statement into current Form | |
93 | // | |
94 | InsertTailList (&Form->StatementListHead, &Statement->Link); | |
95 | ||
96 | return Statement; | |
97 | } | |
98 | ||
99 | ||
100 | /** | |
101 | Initialize Question's members. | |
102 | ||
103 | @param OpCodeData Pointer of the raw OpCode data. | |
104 | @param FormSet Pointer of the current FormSet. | |
105 | @param Form Pointer of the current Form. | |
106 | ||
107 | @return The Question. | |
108 | ||
109 | **/ | |
110 | FORM_BROWSER_STATEMENT * | |
111 | CreateQuestion ( | |
112 | IN UINT8 *OpCodeData, | |
113 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
114 | IN OUT FORM_BROWSER_FORM *Form | |
115 | ) | |
116 | { | |
117 | FORM_BROWSER_STATEMENT *Statement; | |
118 | EFI_IFR_QUESTION_HEADER *QuestionHdr; | |
119 | LIST_ENTRY *Link; | |
120 | FORMSET_STORAGE *Storage; | |
121 | NAME_VALUE_NODE *NameValueNode; | |
122 | ||
123 | Statement = CreateStatement (OpCodeData, FormSet, Form); | |
124 | if (Statement == NULL) { | |
125 | return NULL; | |
126 | } | |
127 | ||
128 | QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); | |
129 | CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID)); | |
130 | CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
131 | CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16)); | |
132 | ||
133 | Statement->QuestionFlags = QuestionHdr->Flags; | |
134 | ||
135 | if (Statement->VarStoreId == 0) { | |
136 | // | |
137 | // VarStoreId of zero indicates no variable storage | |
138 | // | |
139 | return Statement; | |
140 | } | |
141 | ||
142 | // | |
143 | // Find Storage for this Question | |
144 | // | |
145 | Link = GetFirstNode (&FormSet->StorageListHead); | |
146 | while (!IsNull (&FormSet->StorageListHead, Link)) { | |
147 | Storage = FORMSET_STORAGE_FROM_LINK (Link); | |
148 | ||
149 | if (Storage->VarStoreId == Statement->VarStoreId) { | |
150 | Statement->Storage = Storage; | |
151 | break; | |
152 | } | |
153 | ||
154 | Link = GetNextNode (&FormSet->StorageListHead, Link); | |
155 | } | |
156 | ASSERT (Statement->Storage != NULL); | |
157 | ||
158 | // | |
159 | // Initialilze varname for Name/Value or EFI Variable | |
160 | // | |
161 | if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) || | |
162 | (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) { | |
163 | Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle); | |
164 | ASSERT (Statement->VariableName != NULL); | |
165 | ||
166 | if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) { | |
167 | // | |
168 | // Insert to Name/Value varstore list | |
169 | // | |
170 | NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE)); | |
171 | ASSERT (NameValueNode != NULL); | |
172 | NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE; | |
173 | NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName); | |
174 | ASSERT (NameValueNode->Name != NULL); | |
175 | NameValueNode->Value = AllocateZeroPool (0x10); | |
176 | ASSERT (NameValueNode->Value != NULL); | |
177 | NameValueNode->EditValue = AllocateZeroPool (0x10); | |
178 | ASSERT (NameValueNode->EditValue != NULL); | |
179 | ||
180 | InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link); | |
181 | } | |
182 | } | |
183 | ||
184 | return Statement; | |
185 | } | |
186 | ||
187 | ||
188 | /** | |
189 | Allocate a FORM_EXPRESSION node. | |
190 | ||
191 | @param Form The Form associated with this Expression | |
192 | ||
193 | @return Pointer to a FORM_EXPRESSION data structure. | |
194 | ||
195 | **/ | |
196 | FORM_EXPRESSION * | |
197 | CreateExpression ( | |
198 | IN OUT FORM_BROWSER_FORM *Form | |
199 | ) | |
200 | { | |
201 | FORM_EXPRESSION *Expression; | |
202 | ||
203 | Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); | |
204 | Expression->Signature = FORM_EXPRESSION_SIGNATURE; | |
205 | InitializeListHead (&Expression->OpCodeListHead); | |
206 | ||
207 | return Expression; | |
208 | } | |
209 | ||
210 | ||
211 | /** | |
212 | Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List. | |
213 | ||
214 | @param FormSet Pointer of the current FormSet | |
215 | ||
216 | @return Pointer to a FORMSET_STORAGE data structure. | |
217 | ||
218 | **/ | |
219 | FORMSET_STORAGE * | |
220 | CreateStorage ( | |
221 | IN FORM_BROWSER_FORMSET *FormSet | |
222 | ) | |
223 | { | |
224 | FORMSET_STORAGE *Storage; | |
225 | ||
226 | Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE)); | |
227 | Storage->Signature = FORMSET_STORAGE_SIGNATURE; | |
228 | InitializeListHead (&Storage->NameValueListHead); | |
229 | InsertTailList (&FormSet->StorageListHead, &Storage->Link); | |
230 | ||
231 | return Storage; | |
232 | } | |
233 | ||
234 | ||
235 | /** | |
236 | Create ConfigHdr string for a storage. | |
237 | ||
238 | @param FormSet Pointer of the current FormSet | |
239 | @param Storage Pointer of the storage | |
240 | ||
241 | @retval EFI_SUCCESS Initialize ConfigHdr success | |
242 | ||
243 | **/ | |
244 | EFI_STATUS | |
245 | InitializeConfigHdr ( | |
246 | IN FORM_BROWSER_FORMSET *FormSet, | |
247 | IN OUT FORMSET_STORAGE *Storage | |
248 | ) | |
249 | { | |
250 | EFI_STATUS Status; | |
251 | UINTN StrBufferLen; | |
252 | CHAR16 *Name; | |
253 | ||
254 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { | |
255 | Name = Storage->Name; | |
256 | } else { | |
257 | Name = NULL; | |
258 | } | |
259 | ||
260 | StrBufferLen = 0; | |
261 | Status = ConstructConfigHdr ( | |
262 | Storage->ConfigHdr, | |
263 | &StrBufferLen, | |
264 | &Storage->Guid, | |
265 | Name, | |
266 | FormSet->DriverHandle | |
267 | ); | |
268 | if (Status == EFI_BUFFER_TOO_SMALL) { | |
269 | Storage->ConfigHdr = AllocateZeroPool (StrBufferLen); | |
270 | Status = ConstructConfigHdr ( | |
271 | Storage->ConfigHdr, | |
272 | &StrBufferLen, | |
273 | &Storage->Guid, | |
274 | Name, | |
275 | FormSet->DriverHandle | |
276 | ); | |
277 | } | |
278 | ||
279 | if (EFI_ERROR (Status)) { | |
280 | return Status; | |
281 | } | |
282 | ||
283 | Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr); | |
284 | Storage->SpareStrLen = 0; | |
285 | ||
286 | return EFI_SUCCESS; | |
287 | } | |
288 | ||
289 | ||
290 | /** | |
291 | Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label> | |
292 | ||
293 | @param FormSet Pointer of the current FormSet. | |
294 | @param Question The Question to be initialized. | |
295 | ||
296 | @retval EFI_SUCCESS Function success. | |
297 | @retval EFI_INVALID_PARAMETER No storage associated with the Question. | |
298 | ||
299 | **/ | |
300 | EFI_STATUS | |
301 | InitializeRequestElement ( | |
302 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
303 | IN OUT FORM_BROWSER_STATEMENT *Question | |
304 | ) | |
305 | { | |
306 | FORMSET_STORAGE *Storage; | |
307 | UINTN StrLen; | |
308 | UINTN StringSize; | |
309 | CHAR16 *NewStr; | |
310 | CHAR16 RequestElement[30]; | |
311 | ||
312 | Storage = Question->Storage; | |
313 | if (Storage == NULL) { | |
314 | return EFI_INVALID_PARAMETER; | |
315 | } | |
316 | ||
317 | if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) { | |
318 | // | |
319 | // <ConfigRequest> is unnecessary for EFI variable storage, | |
320 | // GetVariable()/SetVariable() will be used to retrieve/save values | |
321 | // | |
322 | return EFI_SUCCESS; | |
323 | } | |
324 | ||
325 | // | |
326 | // Prepare <RequestElement> | |
327 | // | |
328 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { | |
329 | StrLen = UnicodeSPrint ( | |
330 | RequestElement, | |
331 | 30 * sizeof (CHAR16), | |
332 | L"&OFFSET=%x&WIDTH=%x", | |
333 | Question->VarStoreInfo.VarOffset, | |
334 | Question->StorageWidth | |
335 | ); | |
336 | Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement); | |
337 | } else { | |
338 | StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName); | |
339 | } | |
340 | ||
341 | if ((Question->Operand == EFI_IFR_PASSWORD_OP) && (Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK)) { | |
342 | // | |
343 | // Password with CALLBACK flag is stored in encoded format, | |
c56f5124 | 344 | // so don't need to append it to <ConfigRequest> |
93e3992d | 345 | // |
346 | return EFI_SUCCESS; | |
347 | } | |
348 | ||
349 | // | |
350 | // Append <RequestElement> to <ConfigRequest> | |
351 | // | |
352 | if (StrLen > Storage->SpareStrLen) { | |
353 | // | |
354 | // Old String buffer is not sufficient for RequestElement, allocate a new one | |
355 | // | |
c7b616cf | 356 | StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16); |
93e3992d | 357 | NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16)); |
358 | if (Storage->ConfigRequest != NULL) { | |
359 | CopyMem (NewStr, Storage->ConfigRequest, StringSize); | |
360 | gBS->FreePool (Storage->ConfigRequest); | |
361 | } | |
362 | Storage->ConfigRequest = NewStr; | |
363 | Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL; | |
364 | } | |
365 | ||
366 | StrCat (Storage->ConfigRequest, RequestElement); | |
367 | Storage->ElementCount++; | |
368 | Storage->SpareStrLen -= StrLen; | |
369 | ||
370 | return EFI_SUCCESS; | |
371 | } | |
372 | ||
373 | ||
374 | /** | |
375 | Free resources of a Expression | |
376 | ||
377 | @param FormSet Pointer of the Expression | |
378 | ||
379 | @return None. | |
380 | ||
381 | **/ | |
382 | VOID | |
383 | DestroyExpression ( | |
384 | IN FORM_EXPRESSION *Expression | |
385 | ) | |
386 | { | |
387 | LIST_ENTRY *Link; | |
388 | EXPRESSION_OPCODE *OpCode; | |
389 | ||
390 | while (!IsListEmpty (&Expression->OpCodeListHead)) { | |
391 | Link = GetFirstNode (&Expression->OpCodeListHead); | |
392 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link); | |
393 | RemoveEntryList (&OpCode->Link); | |
394 | ||
395 | SafeFreePool (OpCode->ValueList); | |
396 | } | |
397 | ||
398 | // | |
399 | // Free this Expression | |
400 | // | |
401 | gBS->FreePool (Expression); | |
402 | } | |
403 | ||
404 | ||
405 | /** | |
406 | Free resources of a storage | |
407 | ||
408 | @param Storage Pointer of the storage | |
409 | ||
410 | @return None. | |
411 | ||
412 | **/ | |
413 | VOID | |
414 | DestroyStorage ( | |
415 | IN FORMSET_STORAGE *Storage | |
416 | ) | |
417 | { | |
418 | LIST_ENTRY *Link; | |
419 | NAME_VALUE_NODE *NameValueNode; | |
420 | ||
421 | if (Storage == NULL) { | |
422 | return; | |
423 | } | |
424 | ||
425 | SafeFreePool (Storage->Name); | |
426 | SafeFreePool (Storage->Buffer); | |
427 | SafeFreePool (Storage->EditBuffer); | |
428 | ||
429 | while (!IsListEmpty (&Storage->NameValueListHead)) { | |
430 | Link = GetFirstNode (&Storage->NameValueListHead); | |
431 | NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link); | |
432 | RemoveEntryList (&NameValueNode->Link); | |
433 | ||
434 | SafeFreePool (NameValueNode->Name); | |
435 | SafeFreePool (NameValueNode->Value); | |
436 | SafeFreePool (NameValueNode->EditValue); | |
437 | SafeFreePool (NameValueNode); | |
438 | } | |
439 | ||
440 | SafeFreePool (Storage->ConfigHdr); | |
441 | SafeFreePool (Storage->ConfigRequest); | |
442 | ||
443 | gBS->FreePool (Storage); | |
444 | } | |
445 | ||
446 | ||
447 | /** | |
448 | Free resources of a Statement | |
449 | ||
450 | @param Statement Pointer of the Statement | |
451 | ||
452 | @return None. | |
453 | ||
454 | **/ | |
455 | VOID | |
456 | DestroyStatement ( | |
457 | IN OUT FORM_BROWSER_STATEMENT *Statement | |
458 | ) | |
459 | { | |
460 | LIST_ENTRY *Link; | |
461 | QUESTION_DEFAULT *Default; | |
462 | QUESTION_OPTION *Option; | |
463 | FORM_EXPRESSION *Expression; | |
464 | ||
465 | // | |
466 | // Free Default value List | |
467 | // | |
468 | while (!IsListEmpty (&Statement->DefaultListHead)) { | |
469 | Link = GetFirstNode (&Statement->DefaultListHead); | |
470 | Default = QUESTION_DEFAULT_FROM_LINK (Link); | |
471 | RemoveEntryList (&Default->Link); | |
472 | ||
473 | gBS->FreePool (Default); | |
474 | } | |
475 | ||
476 | // | |
477 | // Free Options List | |
478 | // | |
479 | while (!IsListEmpty (&Statement->OptionListHead)) { | |
480 | Link = GetFirstNode (&Statement->OptionListHead); | |
481 | Option = QUESTION_OPTION_FROM_LINK (Link); | |
482 | RemoveEntryList (&Option->Link); | |
483 | ||
484 | gBS->FreePool (Option); | |
485 | } | |
486 | ||
487 | // | |
488 | // Free Inconsistent List | |
489 | // | |
490 | while (!IsListEmpty (&Statement->InconsistentListHead)) { | |
491 | Link = GetFirstNode (&Statement->InconsistentListHead); | |
492 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
493 | RemoveEntryList (&Expression->Link); | |
494 | ||
495 | DestroyExpression (Expression); | |
496 | } | |
497 | ||
498 | // | |
499 | // Free NoSubmit List | |
500 | // | |
501 | while (!IsListEmpty (&Statement->NoSubmitListHead)) { | |
502 | Link = GetFirstNode (&Statement->NoSubmitListHead); | |
503 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
504 | RemoveEntryList (&Expression->Link); | |
505 | ||
506 | DestroyExpression (Expression); | |
507 | } | |
508 | ||
509 | SafeFreePool (Statement->VariableName); | |
510 | SafeFreePool (Statement->BlockName); | |
511 | } | |
512 | ||
513 | ||
514 | /** | |
515 | Free resources of a Form | |
516 | ||
517 | @param Form Pointer of the Form | |
518 | ||
519 | @return None. | |
520 | ||
521 | **/ | |
522 | VOID | |
523 | DestroyForm ( | |
524 | IN OUT FORM_BROWSER_FORM *Form | |
525 | ) | |
526 | { | |
527 | LIST_ENTRY *Link; | |
528 | FORM_EXPRESSION *Expression; | |
529 | FORM_BROWSER_STATEMENT *Statement; | |
530 | ||
531 | // | |
532 | // Free Form Expressions | |
533 | // | |
534 | while (!IsListEmpty (&Form->ExpressionListHead)) { | |
535 | Link = GetFirstNode (&Form->ExpressionListHead); | |
536 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
537 | RemoveEntryList (&Expression->Link); | |
538 | ||
539 | DestroyExpression (Expression); | |
540 | } | |
541 | ||
542 | // | |
543 | // Free Statements/Questions | |
544 | // | |
545 | while (!IsListEmpty (&Form->StatementListHead)) { | |
546 | Link = GetFirstNode (&Form->StatementListHead); | |
547 | Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link); | |
548 | RemoveEntryList (&Statement->Link); | |
549 | ||
550 | DestroyStatement (Statement); | |
551 | } | |
552 | ||
553 | // | |
554 | // Free this Form | |
555 | // | |
556 | gBS->FreePool (Form); | |
557 | } | |
558 | ||
559 | ||
560 | /** | |
561 | Free resources allocated for a FormSet | |
562 | ||
563 | @param FormSet Pointer of the FormSet | |
564 | ||
565 | @return None. | |
566 | ||
567 | **/ | |
568 | VOID | |
569 | DestroyFormSet ( | |
570 | IN OUT FORM_BROWSER_FORMSET *FormSet | |
571 | ) | |
572 | { | |
573 | LIST_ENTRY *Link; | |
574 | FORMSET_STORAGE *Storage; | |
575 | FORMSET_DEFAULTSTORE *DefaultStore; | |
576 | FORM_BROWSER_FORM *Form; | |
577 | ||
578 | // | |
579 | // Free IFR binary buffer | |
580 | // | |
581 | SafeFreePool (FormSet->IfrBinaryData); | |
582 | ||
583 | // | |
584 | // Free FormSet Storage | |
585 | // | |
586 | if (FormSet->StorageListHead.ForwardLink != NULL) { | |
587 | while (!IsListEmpty (&FormSet->StorageListHead)) { | |
588 | Link = GetFirstNode (&FormSet->StorageListHead); | |
589 | Storage = FORMSET_STORAGE_FROM_LINK (Link); | |
590 | RemoveEntryList (&Storage->Link); | |
591 | ||
592 | DestroyStorage (Storage); | |
593 | } | |
594 | } | |
595 | ||
596 | // | |
597 | // Free FormSet Default Store | |
598 | // | |
599 | if (FormSet->DefaultStoreListHead.ForwardLink != NULL) { | |
600 | while (!IsListEmpty (&FormSet->DefaultStoreListHead)) { | |
601 | Link = GetFirstNode (&FormSet->DefaultStoreListHead); | |
602 | DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link); | |
603 | RemoveEntryList (&DefaultStore->Link); | |
604 | ||
605 | gBS->FreePool (DefaultStore); | |
606 | } | |
607 | } | |
608 | ||
609 | // | |
610 | // Free Forms | |
611 | // | |
612 | if (FormSet->FormListHead.ForwardLink != NULL) { | |
613 | while (!IsListEmpty (&FormSet->FormListHead)) { | |
614 | Link = GetFirstNode (&FormSet->FormListHead); | |
615 | Form = FORM_BROWSER_FORM_FROM_LINK (Link); | |
616 | RemoveEntryList (&Form->Link); | |
617 | ||
618 | DestroyForm (Form); | |
619 | } | |
620 | } | |
621 | ||
622 | SafeFreePool (FormSet->StatementBuffer); | |
623 | SafeFreePool (FormSet->ExpressionBuffer); | |
624 | ||
625 | SafeFreePool (FormSet); | |
626 | } | |
627 | ||
628 | ||
629 | /** | |
630 | Tell whether this Operand is an Expression OpCode or not | |
631 | ||
632 | @param Operand Operand of an IFR OpCode. | |
633 | ||
634 | @retval TRUE This is an Expression OpCode. | |
635 | @retval FALSE Not an Expression OpCode. | |
636 | ||
637 | **/ | |
638 | BOOLEAN | |
639 | IsExpressionOpCode ( | |
640 | IN UINT8 Operand | |
641 | ) | |
642 | { | |
643 | if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) || | |
644 | ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) || | |
645 | (Operand == EFI_IFR_CATENATE_OP) | |
646 | ) { | |
647 | return TRUE; | |
648 | } else { | |
649 | return FALSE; | |
650 | } | |
651 | } | |
652 | ||
653 | ||
654 | /** | |
655 | Calculate number of Statemens(Questions) and Expression OpCodes. | |
656 | ||
657 | @param FormSet The FormSet to be counted. | |
658 | @param NumberOfStatement Number of Statemens(Questions) | |
659 | @param NumberOfExpression Number of Expression OpCodes | |
660 | ||
661 | @return None. | |
662 | ||
663 | **/ | |
664 | VOID | |
665 | CountOpCodes ( | |
666 | IN FORM_BROWSER_FORMSET *FormSet, | |
667 | IN OUT UINT16 *NumberOfStatement, | |
668 | IN OUT UINT16 *NumberOfExpression | |
669 | ) | |
670 | { | |
671 | UINT16 StatementCount; | |
672 | UINT16 ExpressionCount; | |
673 | UINT8 *OpCodeData; | |
674 | UINTN Offset; | |
675 | UINTN OpCodeLen; | |
676 | ||
677 | Offset = 0; | |
678 | StatementCount = 0; | |
679 | ExpressionCount = 0; | |
680 | ||
681 | while (Offset < FormSet->IfrBinaryLength) { | |
682 | OpCodeData = FormSet->IfrBinaryData + Offset; | |
683 | OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
684 | Offset += OpCodeLen; | |
685 | ||
686 | if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) { | |
687 | ExpressionCount++; | |
688 | } else { | |
689 | StatementCount++; | |
690 | } | |
691 | } | |
692 | ||
693 | *NumberOfStatement = StatementCount; | |
694 | *NumberOfExpression = ExpressionCount; | |
695 | } | |
696 | ||
697 | ||
698 | /** | |
699 | Parse opcodes in the formset IFR binary. | |
700 | ||
701 | @param FormSet Pointer of the FormSet data structure. | |
702 | ||
703 | @retval EFI_SUCCESS Opcode parse success. | |
704 | @retval Other Opcode parse fail. | |
705 | ||
706 | **/ | |
707 | EFI_STATUS | |
708 | ParseOpCodes ( | |
709 | IN FORM_BROWSER_FORMSET *FormSet | |
710 | ) | |
711 | { | |
712 | EFI_STATUS Status; | |
713 | UINT16 Index; | |
714 | FORM_BROWSER_FORM *CurrentForm; | |
715 | FORM_BROWSER_STATEMENT *CurrentStatement; | |
716 | EXPRESSION_OPCODE *ExpressionOpCode; | |
717 | FORM_EXPRESSION *CurrentExpression; | |
718 | UINT8 Operand; | |
719 | UINT8 Scope; | |
720 | UINTN OpCodeOffset; | |
721 | UINTN OpCodeLength; | |
722 | UINT8 *OpCodeData; | |
723 | UINT8 ScopeOpCode; | |
724 | FORMSET_STORAGE *Storage; | |
725 | FORMSET_DEFAULTSTORE *DefaultStore; | |
726 | QUESTION_DEFAULT *CurrentDefault; | |
727 | QUESTION_OPTION *CurrentOption; | |
728 | CHAR8 *AsciiString; | |
729 | UINT16 NumberOfStatement; | |
730 | UINT16 NumberOfExpression; | |
731 | EFI_IMAGE_ID *ImageId; | |
732 | BOOLEAN SuppressForOption; | |
733 | BOOLEAN InScopeOptionSuppress; | |
734 | FORM_EXPRESSION *OptionSuppressExpression; | |
735 | BOOLEAN InScopeDisable; | |
736 | UINT16 DepthOfDisable; | |
737 | BOOLEAN OpCodeDisabled; | |
738 | BOOLEAN SingleOpCodeExpression; | |
739 | BOOLEAN InScopeDefault; | |
740 | EFI_HII_VALUE *Value; | |
741 | ||
742 | mInScopeSubtitle = FALSE; | |
743 | SuppressForOption = FALSE; | |
744 | mInScopeSuppress = FALSE; | |
745 | InScopeOptionSuppress = FALSE; | |
746 | mInScopeGrayOut = FALSE; | |
747 | InScopeDisable = FALSE; | |
748 | DepthOfDisable = 0; | |
749 | OpCodeDisabled = FALSE; | |
750 | SingleOpCodeExpression = FALSE; | |
751 | InScopeDefault = FALSE; | |
752 | CurrentExpression = NULL; | |
753 | CurrentDefault = NULL; | |
754 | CurrentOption = NULL; | |
755 | OptionSuppressExpression = NULL; | |
756 | ||
757 | // | |
758 | // Get the number of Statements and Expressions | |
759 | // | |
760 | CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression); | |
761 | ||
762 | mStatementIndex = 0; | |
763 | FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT)); | |
764 | if (FormSet->StatementBuffer == NULL) { | |
765 | return EFI_OUT_OF_RESOURCES; | |
766 | } | |
767 | ||
768 | mExpressionOpCodeIndex = 0; | |
769 | FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE)); | |
770 | if (FormSet->ExpressionBuffer == NULL) { | |
771 | return EFI_OUT_OF_RESOURCES; | |
772 | } | |
773 | ||
774 | InitializeListHead (&FormSet->StorageListHead); | |
775 | InitializeListHead (&FormSet->DefaultStoreListHead); | |
776 | InitializeListHead (&FormSet->FormListHead); | |
777 | ||
778 | CurrentForm = NULL; | |
779 | CurrentStatement = NULL; | |
780 | ||
781 | ResetScopeStack (); | |
782 | ||
783 | OpCodeOffset = 0; | |
784 | while (OpCodeOffset < FormSet->IfrBinaryLength) { | |
785 | OpCodeData = FormSet->IfrBinaryData + OpCodeOffset; | |
786 | ||
787 | OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
788 | OpCodeOffset += OpCodeLength; | |
789 | Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; | |
790 | Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope; | |
791 | ||
792 | // | |
793 | // If scope bit set, push onto scope stack | |
794 | // | |
795 | if (Scope) { | |
796 | PushScope (Operand); | |
797 | } | |
798 | ||
799 | if (OpCodeDisabled) { | |
800 | // | |
801 | // DisableIf Expression is evaluated to be TRUE, try to find its end. | |
802 | // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END | |
803 | // | |
804 | if (Operand == EFI_IFR_DISABLE_IF_OP) { | |
805 | DepthOfDisable++; | |
806 | } else if (Operand == EFI_IFR_END_OP) { | |
807 | Status = PopScope (&ScopeOpCode); | |
808 | if (EFI_ERROR (Status)) { | |
809 | return Status; | |
810 | } | |
811 | ||
812 | if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) { | |
813 | if (DepthOfDisable == 0) { | |
814 | InScopeDisable = FALSE; | |
815 | OpCodeDisabled = FALSE; | |
816 | } else { | |
817 | DepthOfDisable--; | |
818 | } | |
819 | } | |
820 | } | |
821 | continue; | |
822 | } | |
823 | ||
824 | if (IsExpressionOpCode (Operand)) { | |
825 | ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex]; | |
826 | mExpressionOpCodeIndex++; | |
827 | ||
828 | ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE; | |
829 | ExpressionOpCode->Operand = Operand; | |
830 | Value = &ExpressionOpCode->Value; | |
831 | ||
832 | switch (Operand) { | |
833 | case EFI_IFR_EQ_ID_VAL_OP: | |
834 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
835 | ||
836 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
837 | CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16)); | |
838 | break; | |
839 | ||
840 | case EFI_IFR_EQ_ID_ID_OP: | |
841 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID)); | |
842 | CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID)); | |
843 | break; | |
844 | ||
845 | case EFI_IFR_EQ_ID_LIST_OP: | |
846 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
847 | CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16)); | |
848 | ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList); | |
849 | break; | |
850 | ||
851 | case EFI_IFR_TO_STRING_OP: | |
852 | case EFI_IFR_FIND_OP: | |
853 | ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format; | |
854 | break; | |
855 | ||
856 | case EFI_IFR_STRING_REF1_OP: | |
857 | Value->Type = EFI_IFR_TYPE_STRING; | |
858 | CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID)); | |
859 | break; | |
860 | ||
861 | case EFI_IFR_RULE_REF_OP: | |
862 | ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId; | |
863 | break; | |
864 | ||
865 | case EFI_IFR_SPAN_OP: | |
866 | ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags; | |
867 | break; | |
868 | ||
869 | case EFI_IFR_THIS_OP: | |
870 | ExpressionOpCode->QuestionId = CurrentStatement->QuestionId; | |
871 | break; | |
872 | ||
873 | case EFI_IFR_QUESTION_REF1_OP: | |
874 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
875 | break; | |
876 | ||
877 | case EFI_IFR_QUESTION_REF3_OP: | |
878 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) { | |
879 | CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); | |
880 | ||
881 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) { | |
882 | CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
883 | } | |
884 | } | |
885 | break; | |
886 | ||
887 | // | |
888 | // constant | |
889 | // | |
890 | case EFI_IFR_TRUE_OP: | |
891 | Value->Type = EFI_IFR_TYPE_BOOLEAN; | |
892 | Value->Value.b = TRUE; | |
893 | break; | |
894 | ||
895 | case EFI_IFR_FALSE_OP: | |
896 | Value->Type = EFI_IFR_TYPE_BOOLEAN; | |
897 | Value->Value.b = FALSE; | |
898 | break; | |
899 | ||
900 | case EFI_IFR_ONE_OP: | |
901 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
902 | Value->Value.u8 = 1; | |
903 | break; | |
904 | ||
905 | case EFI_IFR_ZERO_OP: | |
906 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
907 | Value->Value.u8 = 0; | |
908 | break; | |
909 | ||
910 | case EFI_IFR_ONES_OP: | |
911 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
912 | Value->Value.u64 = 0xffffffffffffffff; | |
913 | break; | |
914 | ||
915 | case EFI_IFR_UINT8_OP: | |
916 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
917 | Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value; | |
918 | break; | |
919 | ||
920 | case EFI_IFR_UINT16_OP: | |
921 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
922 | CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16)); | |
923 | break; | |
924 | ||
925 | case EFI_IFR_UINT32_OP: | |
926 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; | |
927 | CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32)); | |
928 | break; | |
929 | ||
930 | case EFI_IFR_UINT64_OP: | |
931 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
932 | CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64)); | |
933 | break; | |
934 | ||
935 | case EFI_IFR_UNDEFINED_OP: | |
936 | Value->Type = EFI_IFR_TYPE_OTHER; | |
937 | break; | |
938 | ||
939 | case EFI_IFR_VERSION_OP: | |
940 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
941 | Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION; | |
942 | break; | |
943 | ||
944 | default: | |
945 | break; | |
946 | } | |
947 | ||
948 | InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link); | |
949 | ||
950 | if (SingleOpCodeExpression) { | |
951 | // | |
952 | // There are two cases to indicate the end of an Expression: | |
953 | // for single OpCode expression: one Expression OpCode | |
954 | // for expression consists of more than one OpCode: EFI_IFR_END | |
955 | // | |
956 | SingleOpCodeExpression = FALSE; | |
957 | ||
958 | if (InScopeDisable) { | |
959 | // | |
960 | // Evaluate DisableIf expression | |
961 | // | |
962 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); | |
963 | if (EFI_ERROR (Status)) { | |
964 | return Status; | |
965 | } | |
966 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { | |
967 | return EFI_INVALID_PARAMETER; | |
968 | } | |
969 | ||
970 | OpCodeDisabled = CurrentExpression->Result.Value.b; | |
971 | } | |
972 | ||
973 | CurrentExpression = NULL; | |
974 | } | |
975 | ||
976 | continue; | |
977 | } | |
978 | ||
979 | // | |
980 | // Parse the Opcode | |
981 | // | |
982 | switch (Operand) { | |
983 | ||
984 | case EFI_IFR_FORM_SET_OP: | |
985 | // | |
986 | // check the formset GUID | |
987 | // | |
988 | if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) { | |
989 | return EFI_INVALID_PARAMETER; | |
990 | } | |
991 | ||
992 | CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID)); | |
993 | CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID)); | |
994 | break; | |
995 | ||
996 | case EFI_IFR_FORM_OP: | |
997 | // | |
998 | // Create a new Form for this FormSet | |
999 | // | |
1000 | CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM)); | |
1001 | CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE; | |
1002 | InitializeListHead (&CurrentForm->ExpressionListHead); | |
1003 | InitializeListHead (&CurrentForm->StatementListHead); | |
1004 | ||
1005 | CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16)); | |
1006 | CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID)); | |
1007 | ||
1008 | // | |
1009 | // Insert into Form list of this FormSet | |
1010 | // | |
1011 | InsertTailList (&FormSet->FormListHead, &CurrentForm->Link); | |
1012 | break; | |
1013 | ||
1014 | // | |
1015 | // Storage | |
1016 | // | |
1017 | case EFI_IFR_VARSTORE_OP: | |
1018 | // | |
1019 | // Create a buffer Storage for this FormSet | |
1020 | // | |
1021 | Storage = CreateStorage (FormSet); | |
1022 | Storage->Type = EFI_HII_VARSTORE_BUFFER; | |
1023 | ||
1024 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1025 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1026 | CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16)); | |
1027 | ||
1028 | Storage->Buffer = AllocateZeroPool (Storage->Size); | |
1029 | Storage->EditBuffer = AllocateZeroPool (Storage->Size); | |
1030 | ||
1031 | AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name; | |
1032 | Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2); | |
1033 | ASSERT (Storage->Name != NULL); | |
1034 | for (Index = 0; AsciiString[Index] != 0; Index++) { | |
1035 | Storage->Name[Index] = (CHAR16) AsciiString[Index]; | |
1036 | } | |
1037 | ||
1038 | // | |
1039 | // Initialize <ConfigHdr> | |
1040 | // | |
1041 | InitializeConfigHdr (FormSet, Storage); | |
1042 | break; | |
1043 | ||
1044 | case EFI_IFR_VARSTORE_NAME_VALUE_OP: | |
1045 | // | |
1046 | // Create a name/value Storage for this FormSet | |
1047 | // | |
1048 | Storage = CreateStorage (FormSet); | |
1049 | Storage->Type = EFI_HII_VARSTORE_NAME_VALUE; | |
1050 | ||
1051 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1052 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1053 | ||
1054 | // | |
1055 | // Initialize <ConfigHdr> | |
1056 | // | |
1057 | InitializeConfigHdr (FormSet, Storage); | |
1058 | break; | |
1059 | ||
1060 | case EFI_IFR_VARSTORE_EFI_OP: | |
1061 | // | |
1062 | // Create a EFI variable Storage for this FormSet | |
1063 | // | |
1064 | Storage = CreateStorage (FormSet); | |
1065 | Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE; | |
1066 | ||
1067 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1068 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1069 | CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32)); | |
1070 | break; | |
1071 | ||
1072 | // | |
1073 | // DefaultStore | |
1074 | // | |
1075 | case EFI_IFR_DEFAULTSTORE_OP: | |
1076 | DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE)); | |
1077 | DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE; | |
1078 | ||
1079 | CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16)); | |
1080 | CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID)); | |
1081 | ||
1082 | // | |
1083 | // Insert to DefaultStore list of this Formset | |
1084 | // | |
1085 | InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link); | |
1086 | break; | |
1087 | ||
1088 | // | |
1089 | // Statements | |
1090 | // | |
1091 | case EFI_IFR_SUBTITLE_OP: | |
1092 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); | |
1093 | CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags; | |
1094 | ||
1095 | if (Scope) { | |
1096 | mInScopeSubtitle = TRUE; | |
1097 | } | |
1098 | break; | |
1099 | ||
1100 | case EFI_IFR_TEXT_OP: | |
1101 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); | |
1102 | ||
1103 | CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID)); | |
1104 | break; | |
1105 | ||
1106 | // | |
1107 | // Questions | |
1108 | // | |
1109 | case EFI_IFR_ACTION_OP: | |
1110 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1111 | ||
1112 | if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) { | |
1113 | // | |
1114 | // No QuestionConfig present, so no configuration string will be processed | |
1115 | // | |
1116 | CurrentStatement->QuestionConfig = 0; | |
1117 | } else { | |
1118 | CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID)); | |
1119 | } | |
1120 | break; | |
1121 | ||
1122 | case EFI_IFR_RESET_BUTTON_OP: | |
1123 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1124 | ||
1125 | CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID)); | |
1126 | break; | |
1127 | ||
1128 | case EFI_IFR_REF_OP: | |
1129 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1130 | ||
1131 | CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID)); | |
1132 | if (OpCodeLength >= sizeof (EFI_IFR_REF2)) { | |
1133 | CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
1134 | ||
1135 | if (OpCodeLength >= sizeof (EFI_IFR_REF3)) { | |
1136 | CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID)); | |
1137 | ||
1138 | if (OpCodeLength >= sizeof (EFI_IFR_REF4)) { | |
1139 | CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); | |
1140 | } | |
1141 | } | |
1142 | } | |
1143 | break; | |
1144 | ||
1145 | case EFI_IFR_ONE_OF_OP: | |
1146 | case EFI_IFR_NUMERIC_OP: | |
1147 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1148 | ||
1149 | CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags; | |
1150 | Value = &CurrentStatement->HiiValue; | |
1151 | ||
1152 | switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) { | |
1153 | case EFI_IFR_NUMERIC_SIZE_1: | |
1154 | CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue; | |
1155 | CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue; | |
1156 | CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step; | |
1157 | CurrentStatement->StorageWidth = sizeof (UINT8); | |
1158 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
1159 | break; | |
1160 | ||
1161 | case EFI_IFR_NUMERIC_SIZE_2: | |
1162 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16)); | |
1163 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16)); | |
1164 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16)); | |
1165 | CurrentStatement->StorageWidth = sizeof (UINT16); | |
1166 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
1167 | break; | |
1168 | ||
1169 | case EFI_IFR_NUMERIC_SIZE_4: | |
1170 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32)); | |
1171 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32)); | |
1172 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32)); | |
1173 | CurrentStatement->StorageWidth = sizeof (UINT32); | |
1174 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; | |
1175 | break; | |
1176 | ||
1177 | case EFI_IFR_NUMERIC_SIZE_8: | |
1178 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64)); | |
1179 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64)); | |
1180 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64)); | |
1181 | CurrentStatement->StorageWidth = sizeof (UINT64); | |
1182 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
1183 | break; | |
1184 | ||
1185 | default: | |
1186 | break; | |
1187 | } | |
1188 | ||
1189 | InitializeRequestElement (FormSet, CurrentStatement); | |
1190 | ||
1191 | if ((Operand == EFI_IFR_ONE_OF_OP) && Scope) { | |
1192 | SuppressForOption = TRUE; | |
1193 | } | |
1194 | break; | |
1195 | ||
1196 | case EFI_IFR_ORDERED_LIST_OP: | |
1197 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1198 | ||
1199 | CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags; | |
1200 | CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers; | |
1201 | CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8)); | |
1202 | InitializeRequestElement (FormSet, CurrentStatement); | |
1203 | ||
1204 | // | |
1205 | // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver | |
1206 | // has to use FormBrowser2.Callback() to retrieve the uncommited data for | |
1207 | // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set). | |
1208 | // | |
1209 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER; | |
1210 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth); | |
1211 | ||
1212 | if (Scope) { | |
1213 | SuppressForOption = TRUE; | |
1214 | } | |
1215 | break; | |
1216 | ||
1217 | case EFI_IFR_CHECKBOX_OP: | |
1218 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1219 | ||
1220 | CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags; | |
1221 | CurrentStatement->StorageWidth = sizeof (BOOLEAN); | |
1222 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN; | |
1223 | ||
1224 | InitializeRequestElement (FormSet, CurrentStatement); | |
1225 | break; | |
1226 | ||
1227 | case EFI_IFR_STRING_OP: | |
1228 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1229 | ||
1230 | // | |
1231 | // MinSize is the minimum number of characters that can be accepted for this opcode, | |
1232 | // MaxSize is the maximum number of characters that can be accepted for this opcode. | |
1233 | // The characters are stored as Unicode, so the storage width should multiply 2. | |
1234 | // | |
1235 | CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize; | |
1236 | CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize; | |
1237 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (UINT16)); | |
1238 | CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags; | |
1239 | ||
1240 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; | |
1241 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth); | |
1242 | ||
1243 | InitializeRequestElement (FormSet, CurrentStatement); | |
1244 | break; | |
1245 | ||
1246 | case EFI_IFR_PASSWORD_OP: | |
1247 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1248 | ||
1249 | // | |
1250 | // MinSize is the minimum number of characters that can be accepted for this opcode, | |
1251 | // MaxSize is the maximum number of characters that can be accepted for this opcode. | |
1252 | // The characters are stored as Unicode, so the storage width should multiply 2. | |
1253 | // | |
1254 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16)); | |
1255 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16)); | |
1256 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (UINT16)); | |
1257 | ||
1258 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; | |
1259 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth); | |
1260 | ||
1261 | InitializeRequestElement (FormSet, CurrentStatement); | |
1262 | break; | |
1263 | ||
1264 | case EFI_IFR_DATE_OP: | |
1265 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1266 | ||
1267 | CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags; | |
1268 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE; | |
1269 | ||
1270 | if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) { | |
1271 | CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE); | |
1272 | ||
1273 | InitializeRequestElement (FormSet, CurrentStatement); | |
1274 | } else { | |
1275 | // | |
1276 | // Don't assign storage for RTC type of date/time | |
1277 | // | |
1278 | CurrentStatement->Storage = NULL; | |
1279 | CurrentStatement->StorageWidth = 0; | |
1280 | } | |
1281 | break; | |
1282 | ||
1283 | case EFI_IFR_TIME_OP: | |
1284 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1285 | ||
1286 | CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags; | |
1287 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME; | |
1288 | ||
1289 | if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) { | |
1290 | CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME); | |
1291 | ||
1292 | InitializeRequestElement (FormSet, CurrentStatement); | |
1293 | } else { | |
1294 | // | |
1295 | // Don't assign storage for RTC type of date/time | |
1296 | // | |
1297 | CurrentStatement->Storage = NULL; | |
1298 | CurrentStatement->StorageWidth = 0; | |
1299 | } | |
1300 | break; | |
1301 | ||
1302 | // | |
1303 | // Default | |
1304 | // | |
1305 | case EFI_IFR_DEFAULT_OP: | |
1306 | // | |
1307 | // EFI_IFR_DEFAULT appear in scope of a Question, | |
1308 | // It creates a default value for the current question. | |
1309 | // A Question may have more than one Default value which have different default types. | |
1310 | // | |
1311 | CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT)); | |
1312 | CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE; | |
1313 | ||
1314 | CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type; | |
1315 | CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16)); | |
1316 | CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); | |
1317 | ExtendValueToU64 (&CurrentDefault->Value); | |
1318 | ||
1319 | // | |
1320 | // Insert to Default Value list of current Question | |
1321 | // | |
1322 | InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link); | |
1323 | ||
1324 | if (Scope) { | |
1325 | InScopeDefault = TRUE; | |
1326 | } | |
1327 | break; | |
1328 | ||
1329 | // | |
1330 | // Option | |
1331 | // | |
1332 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1333 | // | |
1334 | // EFI_IFR_ONE_OF_OPTION appear in scope of a Question. | |
1335 | // It create a selection for use in current Question. | |
1336 | // | |
1337 | CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION)); | |
1338 | CurrentOption->Signature = QUESTION_OPTION_SIGNATURE; | |
1339 | ||
1340 | CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags; | |
1341 | CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type; | |
1342 | CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID)); | |
1343 | CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); | |
1344 | ExtendValueToU64 (&CurrentOption->Value); | |
1345 | ||
1346 | if (InScopeOptionSuppress) { | |
1347 | CurrentOption->SuppressExpression = OptionSuppressExpression; | |
1348 | } | |
1349 | ||
1350 | // | |
1351 | // Insert to Option list of current Question | |
1352 | // | |
1353 | InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link); | |
1354 | break; | |
1355 | ||
1356 | // | |
1357 | // Conditional | |
1358 | // | |
1359 | case EFI_IFR_NO_SUBMIT_IF_OP: | |
1360 | case EFI_IFR_INCONSISTENT_IF_OP: | |
1361 | // | |
1362 | // Create an Expression node | |
1363 | // | |
1364 | CurrentExpression = CreateExpression (CurrentForm); | |
1365 | CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID)); | |
1366 | ||
1367 | if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) { | |
1368 | CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF; | |
1369 | InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link); | |
1370 | } else { | |
1371 | CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF; | |
1372 | InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link); | |
1373 | } | |
1374 | break; | |
1375 | ||
1376 | case EFI_IFR_SUPPRESS_IF_OP: | |
1377 | // | |
1378 | // Question and Option will appear in scope of this OpCode | |
1379 | // | |
1380 | CurrentExpression = CreateExpression (CurrentForm); | |
1381 | CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF; | |
1382 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1383 | ||
1384 | if (SuppressForOption) { | |
1385 | InScopeOptionSuppress = TRUE; | |
1386 | OptionSuppressExpression = CurrentExpression; | |
1387 | } else { | |
1388 | mInScopeSuppress = TRUE; | |
1389 | mSuppressExpression = CurrentExpression; | |
1390 | } | |
1391 | break; | |
1392 | ||
1393 | case EFI_IFR_GRAY_OUT_IF_OP: | |
1394 | // | |
1395 | // Questions will appear in scope of this OpCode | |
1396 | // | |
1397 | CurrentExpression = CreateExpression (CurrentForm); | |
1398 | CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF; | |
1399 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1400 | ||
1401 | mInScopeGrayOut = TRUE; | |
1402 | mGrayOutExpression = CurrentExpression; | |
1403 | break; | |
1404 | ||
1405 | case EFI_IFR_DISABLE_IF_OP: | |
1406 | // | |
1407 | // The DisableIf expression should only rely on constant, so it could be | |
1408 | // evaluated at initialization and it will not be queued | |
1409 | // | |
1410 | CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); | |
1411 | CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE; | |
1412 | CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF; | |
1413 | InitializeListHead (&CurrentExpression->OpCodeListHead); | |
1414 | ||
1415 | InScopeDisable = TRUE; | |
1416 | OpCodeDisabled = FALSE; | |
1417 | ||
1418 | // | |
1419 | // Take a look at next OpCode to see whether current expression consists | |
1420 | // of single OpCode | |
1421 | // | |
1422 | if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) { | |
1423 | SingleOpCodeExpression = TRUE; | |
1424 | } | |
1425 | break; | |
1426 | ||
1427 | // | |
1428 | // Expression | |
1429 | // | |
1430 | case EFI_IFR_VALUE_OP: | |
1431 | CurrentExpression = CreateExpression (CurrentForm); | |
1432 | CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE; | |
1433 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1434 | ||
1435 | if (InScopeDefault) { | |
1436 | // | |
1437 | // Used for default (EFI_IFR_DEFAULT) | |
1438 | // | |
1439 | CurrentDefault->ValueExpression = CurrentExpression; | |
1440 | } else { | |
1441 | // | |
1442 | // If used for a question, then the question will be read-only | |
1443 | // | |
1444 | CurrentStatement->ValueExpression = CurrentExpression; | |
1445 | } | |
1446 | break; | |
1447 | ||
1448 | case EFI_IFR_RULE_OP: | |
1449 | CurrentExpression = CreateExpression (CurrentForm); | |
1450 | CurrentExpression->Type = EFI_HII_EXPRESSION_RULE; | |
1451 | ||
1452 | CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId; | |
1453 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1454 | break; | |
1455 | ||
1456 | // | |
1457 | // Image | |
1458 | // | |
1459 | case EFI_IFR_IMAGE_OP: | |
1460 | // | |
1461 | // Get ScopeOpcode from top of stack | |
1462 | // | |
1463 | PopScope (&ScopeOpCode); | |
1464 | PushScope (ScopeOpCode); | |
1465 | ||
1466 | switch (ScopeOpCode) { | |
1467 | case EFI_IFR_FORM_SET_OP: | |
1468 | ImageId = &FormSet->ImageId; | |
1469 | break; | |
1470 | ||
1471 | case EFI_IFR_FORM_OP: | |
1472 | ImageId = &CurrentForm->ImageId; | |
1473 | break; | |
1474 | ||
1475 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1476 | ImageId = &CurrentOption->ImageId; | |
1477 | break; | |
1478 | ||
1479 | default: | |
1480 | ImageId = &CurrentStatement->ImageId; | |
1481 | break; | |
1482 | } | |
1483 | ||
1484 | CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID)); | |
1485 | break; | |
1486 | ||
1487 | // | |
1488 | // Refresh | |
1489 | // | |
1490 | case EFI_IFR_REFRESH_OP: | |
1491 | CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval; | |
1492 | break; | |
1493 | ||
1494 | // | |
1495 | // Vendor specific | |
1496 | // | |
1497 | case EFI_IFR_GUID_OP: | |
1498 | if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) { | |
1499 | // | |
1500 | // Tiano specific GUIDed opcodes | |
1501 | // | |
1502 | switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) { | |
1503 | case EFI_IFR_EXTEND_OP_LABEL: | |
1504 | // | |
1505 | // just ignore label | |
1506 | // | |
1507 | break; | |
1508 | ||
1509 | case EFI_IFR_EXTEND_OP_BANNER: | |
1510 | if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) { | |
1511 | CopyMem ( | |
1512 | &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][ | |
1513 | ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment], | |
1514 | &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title, | |
1515 | sizeof (EFI_STRING_ID) | |
1516 | ); | |
1517 | } | |
1518 | break; | |
1519 | ||
1520 | case EFI_IFR_EXTEND_OP_CLASS: | |
1521 | CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16)); | |
1522 | break; | |
1523 | ||
1524 | case EFI_IFR_EXTEND_OP_SUBCLASS: | |
1525 | CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16)); | |
1526 | break; | |
1527 | ||
1528 | default: | |
1529 | break; | |
1530 | } | |
1531 | } | |
1532 | break; | |
1533 | ||
1534 | // | |
1535 | // Scope End | |
1536 | // | |
1537 | case EFI_IFR_END_OP: | |
1538 | Status = PopScope (&ScopeOpCode); | |
1539 | if (EFI_ERROR (Status)) { | |
1540 | ResetScopeStack (); | |
1541 | return Status; | |
1542 | } | |
1543 | ||
1544 | switch (ScopeOpCode) { | |
1545 | case EFI_IFR_FORM_SET_OP: | |
1546 | // | |
1547 | // End of FormSet, update FormSet IFR binary length | |
1548 | // to stop parsing substantial OpCodes | |
1549 | // | |
1550 | FormSet->IfrBinaryLength = OpCodeOffset; | |
1551 | break; | |
1552 | ||
1553 | case EFI_IFR_FORM_OP: | |
1554 | // | |
1555 | // End of Form | |
1556 | // | |
1557 | CurrentForm = NULL; | |
1558 | break; | |
1559 | ||
1560 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1561 | // | |
1562 | // End of Option | |
1563 | // | |
1564 | CurrentOption = NULL; | |
1565 | break; | |
1566 | ||
1567 | case EFI_IFR_SUBTITLE_OP: | |
1568 | mInScopeSubtitle = FALSE; | |
1569 | break; | |
1570 | ||
1571 | case EFI_IFR_NO_SUBMIT_IF_OP: | |
1572 | case EFI_IFR_INCONSISTENT_IF_OP: | |
1573 | // | |
1574 | // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF | |
1575 | // | |
1576 | break; | |
1577 | ||
1578 | case EFI_IFR_SUPPRESS_IF_OP: | |
1579 | if (SuppressForOption) { | |
1580 | InScopeOptionSuppress = FALSE; | |
1581 | } else { | |
1582 | mInScopeSuppress = FALSE; | |
1583 | } | |
1584 | break; | |
1585 | ||
1586 | case EFI_IFR_GRAY_OUT_IF_OP: | |
1587 | mInScopeGrayOut = FALSE; | |
1588 | break; | |
1589 | ||
1590 | case EFI_IFR_DISABLE_IF_OP: | |
1591 | InScopeDisable = FALSE; | |
1592 | OpCodeDisabled = FALSE; | |
1593 | break; | |
1594 | ||
1595 | case EFI_IFR_ONE_OF_OP: | |
1596 | case EFI_IFR_ORDERED_LIST_OP: | |
1597 | SuppressForOption = FALSE; | |
1598 | break; | |
1599 | ||
1600 | case EFI_IFR_DEFAULT_OP: | |
1601 | InScopeDefault = FALSE; | |
1602 | break; | |
1603 | ||
1604 | default: | |
1605 | if (IsExpressionOpCode (ScopeOpCode)) { | |
1606 | if (InScopeDisable) { | |
1607 | // | |
1608 | // Evaluate DisableIf expression | |
1609 | // | |
1610 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); | |
1611 | if (EFI_ERROR (Status)) { | |
1612 | return Status; | |
1613 | } | |
1614 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { | |
1615 | return EFI_INVALID_PARAMETER; | |
1616 | } | |
1617 | ||
1618 | OpCodeDisabled = CurrentExpression->Result.Value.b; | |
1619 | // | |
1620 | // DisableIf Expression is only used once and not quequed, free it | |
1621 | // | |
1622 | DestroyExpression (CurrentExpression); | |
1623 | } | |
1624 | ||
1625 | // | |
1626 | // End of current Expression | |
1627 | // | |
1628 | CurrentExpression = NULL; | |
1629 | } | |
1630 | break; | |
1631 | } | |
1632 | break; | |
1633 | ||
1634 | default: | |
1635 | break; | |
1636 | } | |
1637 | } | |
1638 | ||
1639 | return EFI_SUCCESS; | |
1640 | } |