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93e3992d | 1 | /** @file |
7936fb6a | 2 | Parser for IFR binary encoding. |
3 | ||
813acf3a | 4 | Copyright (c) 2007 - 2008, Intel Corporation |
93e3992d | 5 | All rights reserved. This program and the accompanying materials |
6 | are licensed and made available under the terms and conditions of the BSD License | |
7 | which accompanies this distribution. The full text of the license may be found at | |
8 | http://opensource.org/licenses/bsd-license.php | |
9 | ||
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
12 | ||
93e3992d | 13 | **/ |
14 | ||
15 | #include "Setup.h" | |
16 | #include "Ui.h" | |
93e3992d | 17 | |
18 | UINT16 mStatementIndex; | |
19 | UINT16 mExpressionOpCodeIndex; | |
20 | ||
21 | BOOLEAN mInScopeSubtitle; | |
22 | BOOLEAN mInScopeSuppress; | |
23 | BOOLEAN mInScopeGrayOut; | |
24 | FORM_EXPRESSION *mSuppressExpression; | |
25 | FORM_EXPRESSION *mGrayOutExpression; | |
26 | ||
27 | EFI_GUID gTianoHiiIfrGuid = EFI_IFR_TIANO_GUID; | |
28 | ||
29 | ||
30 | /** | |
31 | Initialize Statement header members. | |
32 | ||
33 | @param OpCodeData Pointer of the raw OpCode data. | |
34 | @param FormSet Pointer of the current FormSe. | |
35 | @param Form Pointer of the current Form. | |
36 | ||
37 | @return The Statement. | |
38 | ||
39 | **/ | |
40 | FORM_BROWSER_STATEMENT * | |
41 | CreateStatement ( | |
42 | IN UINT8 *OpCodeData, | |
43 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
44 | IN OUT FORM_BROWSER_FORM *Form | |
45 | ) | |
46 | { | |
47 | FORM_BROWSER_STATEMENT *Statement; | |
48 | EFI_IFR_STATEMENT_HEADER *StatementHdr; | |
49 | ||
50 | if (Form == NULL) { | |
51 | // | |
52 | // We are currently not in a Form Scope, so just skip this Statement | |
53 | // | |
54 | return NULL; | |
55 | } | |
56 | ||
57 | Statement = &FormSet->StatementBuffer[mStatementIndex]; | |
58 | mStatementIndex++; | |
59 | ||
60 | InitializeListHead (&Statement->DefaultListHead); | |
61 | InitializeListHead (&Statement->OptionListHead); | |
62 | InitializeListHead (&Statement->InconsistentListHead); | |
63 | InitializeListHead (&Statement->NoSubmitListHead); | |
64 | ||
65 | Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE; | |
66 | ||
67 | Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; | |
68 | ||
69 | StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); | |
70 | CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID)); | |
71 | CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID)); | |
72 | ||
73 | if (mInScopeSuppress) { | |
74 | Statement->SuppressExpression = mSuppressExpression; | |
75 | } | |
76 | ||
77 | if (mInScopeGrayOut) { | |
78 | Statement->GrayOutExpression = mGrayOutExpression; | |
79 | } | |
80 | ||
81 | Statement->InSubtitle = mInScopeSubtitle; | |
82 | ||
83 | // | |
84 | // Insert this Statement into current Form | |
85 | // | |
86 | InsertTailList (&Form->StatementListHead, &Statement->Link); | |
87 | ||
88 | return Statement; | |
89 | } | |
90 | ||
91 | ||
92 | /** | |
93 | Initialize Question's members. | |
94 | ||
95 | @param OpCodeData Pointer of the raw OpCode data. | |
96 | @param FormSet Pointer of the current FormSet. | |
97 | @param Form Pointer of the current Form. | |
98 | ||
99 | @return The Question. | |
100 | ||
101 | **/ | |
102 | FORM_BROWSER_STATEMENT * | |
103 | CreateQuestion ( | |
104 | IN UINT8 *OpCodeData, | |
105 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
106 | IN OUT FORM_BROWSER_FORM *Form | |
107 | ) | |
108 | { | |
109 | FORM_BROWSER_STATEMENT *Statement; | |
110 | EFI_IFR_QUESTION_HEADER *QuestionHdr; | |
111 | LIST_ENTRY *Link; | |
112 | FORMSET_STORAGE *Storage; | |
113 | NAME_VALUE_NODE *NameValueNode; | |
114 | ||
115 | Statement = CreateStatement (OpCodeData, FormSet, Form); | |
116 | if (Statement == NULL) { | |
117 | return NULL; | |
118 | } | |
119 | ||
120 | QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); | |
121 | CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID)); | |
122 | CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
123 | CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16)); | |
124 | ||
125 | Statement->QuestionFlags = QuestionHdr->Flags; | |
126 | ||
127 | if (Statement->VarStoreId == 0) { | |
128 | // | |
129 | // VarStoreId of zero indicates no variable storage | |
130 | // | |
131 | return Statement; | |
132 | } | |
133 | ||
134 | // | |
135 | // Find Storage for this Question | |
136 | // | |
137 | Link = GetFirstNode (&FormSet->StorageListHead); | |
138 | while (!IsNull (&FormSet->StorageListHead, Link)) { | |
139 | Storage = FORMSET_STORAGE_FROM_LINK (Link); | |
140 | ||
141 | if (Storage->VarStoreId == Statement->VarStoreId) { | |
142 | Statement->Storage = Storage; | |
143 | break; | |
144 | } | |
145 | ||
146 | Link = GetNextNode (&FormSet->StorageListHead, Link); | |
147 | } | |
148 | ASSERT (Statement->Storage != NULL); | |
149 | ||
150 | // | |
151 | // Initialilze varname for Name/Value or EFI Variable | |
152 | // | |
153 | if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) || | |
154 | (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) { | |
155 | Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle); | |
156 | ASSERT (Statement->VariableName != NULL); | |
157 | ||
158 | if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) { | |
159 | // | |
160 | // Insert to Name/Value varstore list | |
161 | // | |
162 | NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE)); | |
163 | ASSERT (NameValueNode != NULL); | |
164 | NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE; | |
165 | NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName); | |
166 | ASSERT (NameValueNode->Name != NULL); | |
167 | NameValueNode->Value = AllocateZeroPool (0x10); | |
168 | ASSERT (NameValueNode->Value != NULL); | |
169 | NameValueNode->EditValue = AllocateZeroPool (0x10); | |
170 | ASSERT (NameValueNode->EditValue != NULL); | |
171 | ||
172 | InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link); | |
173 | } | |
174 | } | |
175 | ||
176 | return Statement; | |
177 | } | |
178 | ||
179 | ||
180 | /** | |
181 | Allocate a FORM_EXPRESSION node. | |
182 | ||
183 | @param Form The Form associated with this Expression | |
184 | ||
185 | @return Pointer to a FORM_EXPRESSION data structure. | |
186 | ||
187 | **/ | |
188 | FORM_EXPRESSION * | |
189 | CreateExpression ( | |
190 | IN OUT FORM_BROWSER_FORM *Form | |
191 | ) | |
192 | { | |
193 | FORM_EXPRESSION *Expression; | |
194 | ||
195 | Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); | |
196 | Expression->Signature = FORM_EXPRESSION_SIGNATURE; | |
197 | InitializeListHead (&Expression->OpCodeListHead); | |
198 | ||
199 | return Expression; | |
200 | } | |
201 | ||
202 | ||
203 | /** | |
204 | Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List. | |
205 | ||
206 | @param FormSet Pointer of the current FormSet | |
207 | ||
208 | @return Pointer to a FORMSET_STORAGE data structure. | |
209 | ||
210 | **/ | |
211 | FORMSET_STORAGE * | |
212 | CreateStorage ( | |
213 | IN FORM_BROWSER_FORMSET *FormSet | |
214 | ) | |
215 | { | |
216 | FORMSET_STORAGE *Storage; | |
217 | ||
218 | Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE)); | |
219 | Storage->Signature = FORMSET_STORAGE_SIGNATURE; | |
220 | InitializeListHead (&Storage->NameValueListHead); | |
221 | InsertTailList (&FormSet->StorageListHead, &Storage->Link); | |
222 | ||
223 | return Storage; | |
224 | } | |
225 | ||
226 | ||
227 | /** | |
228 | Create ConfigHdr string for a storage. | |
229 | ||
230 | @param FormSet Pointer of the current FormSet | |
231 | @param Storage Pointer of the storage | |
232 | ||
233 | @retval EFI_SUCCESS Initialize ConfigHdr success | |
234 | ||
235 | **/ | |
236 | EFI_STATUS | |
237 | InitializeConfigHdr ( | |
238 | IN FORM_BROWSER_FORMSET *FormSet, | |
239 | IN OUT FORMSET_STORAGE *Storage | |
240 | ) | |
241 | { | |
242 | EFI_STATUS Status; | |
243 | UINTN StrBufferLen; | |
244 | CHAR16 *Name; | |
245 | ||
246 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { | |
247 | Name = Storage->Name; | |
248 | } else { | |
249 | Name = NULL; | |
250 | } | |
251 | ||
252 | StrBufferLen = 0; | |
253 | Status = ConstructConfigHdr ( | |
254 | Storage->ConfigHdr, | |
255 | &StrBufferLen, | |
256 | &Storage->Guid, | |
257 | Name, | |
258 | FormSet->DriverHandle | |
259 | ); | |
260 | if (Status == EFI_BUFFER_TOO_SMALL) { | |
261 | Storage->ConfigHdr = AllocateZeroPool (StrBufferLen); | |
262 | Status = ConstructConfigHdr ( | |
263 | Storage->ConfigHdr, | |
264 | &StrBufferLen, | |
265 | &Storage->Guid, | |
266 | Name, | |
267 | FormSet->DriverHandle | |
268 | ); | |
269 | } | |
270 | ||
271 | if (EFI_ERROR (Status)) { | |
272 | return Status; | |
273 | } | |
274 | ||
275 | Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr); | |
276 | Storage->SpareStrLen = 0; | |
277 | ||
278 | return EFI_SUCCESS; | |
279 | } | |
280 | ||
281 | ||
282 | /** | |
283 | Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label> | |
284 | ||
285 | @param FormSet Pointer of the current FormSet. | |
286 | @param Question The Question to be initialized. | |
287 | ||
288 | @retval EFI_SUCCESS Function success. | |
289 | @retval EFI_INVALID_PARAMETER No storage associated with the Question. | |
290 | ||
291 | **/ | |
292 | EFI_STATUS | |
293 | InitializeRequestElement ( | |
294 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
295 | IN OUT FORM_BROWSER_STATEMENT *Question | |
296 | ) | |
297 | { | |
298 | FORMSET_STORAGE *Storage; | |
299 | UINTN StrLen; | |
300 | UINTN StringSize; | |
301 | CHAR16 *NewStr; | |
302 | CHAR16 RequestElement[30]; | |
303 | ||
304 | Storage = Question->Storage; | |
305 | if (Storage == NULL) { | |
306 | return EFI_INVALID_PARAMETER; | |
307 | } | |
308 | ||
309 | if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) { | |
310 | // | |
311 | // <ConfigRequest> is unnecessary for EFI variable storage, | |
312 | // GetVariable()/SetVariable() will be used to retrieve/save values | |
313 | // | |
314 | return EFI_SUCCESS; | |
315 | } | |
316 | ||
317 | // | |
318 | // Prepare <RequestElement> | |
319 | // | |
320 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { | |
321 | StrLen = UnicodeSPrint ( | |
322 | RequestElement, | |
323 | 30 * sizeof (CHAR16), | |
324 | L"&OFFSET=%x&WIDTH=%x", | |
325 | Question->VarStoreInfo.VarOffset, | |
326 | Question->StorageWidth | |
327 | ); | |
328 | Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement); | |
329 | } else { | |
330 | StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName); | |
331 | } | |
332 | ||
7936fb6a | 333 | if ((Question->Operand == EFI_IFR_PASSWORD_OP) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK)) { |
93e3992d | 334 | // |
335 | // Password with CALLBACK flag is stored in encoded format, | |
c56f5124 | 336 | // so don't need to append it to <ConfigRequest> |
93e3992d | 337 | // |
338 | return EFI_SUCCESS; | |
339 | } | |
340 | ||
341 | // | |
342 | // Append <RequestElement> to <ConfigRequest> | |
343 | // | |
344 | if (StrLen > Storage->SpareStrLen) { | |
345 | // | |
346 | // Old String buffer is not sufficient for RequestElement, allocate a new one | |
347 | // | |
c7b616cf | 348 | StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16); |
93e3992d | 349 | NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16)); |
350 | if (Storage->ConfigRequest != NULL) { | |
351 | CopyMem (NewStr, Storage->ConfigRequest, StringSize); | |
352 | gBS->FreePool (Storage->ConfigRequest); | |
353 | } | |
354 | Storage->ConfigRequest = NewStr; | |
355 | Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL; | |
356 | } | |
357 | ||
358 | StrCat (Storage->ConfigRequest, RequestElement); | |
359 | Storage->ElementCount++; | |
360 | Storage->SpareStrLen -= StrLen; | |
361 | ||
362 | return EFI_SUCCESS; | |
363 | } | |
364 | ||
365 | ||
366 | /** | |
7936fb6a | 367 | Free resources of a Expression. |
93e3992d | 368 | |
369 | @param FormSet Pointer of the Expression | |
370 | ||
93e3992d | 371 | **/ |
372 | VOID | |
373 | DestroyExpression ( | |
374 | IN FORM_EXPRESSION *Expression | |
375 | ) | |
376 | { | |
377 | LIST_ENTRY *Link; | |
378 | EXPRESSION_OPCODE *OpCode; | |
379 | ||
380 | while (!IsListEmpty (&Expression->OpCodeListHead)) { | |
381 | Link = GetFirstNode (&Expression->OpCodeListHead); | |
382 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link); | |
383 | RemoveEntryList (&OpCode->Link); | |
384 | ||
385 | SafeFreePool (OpCode->ValueList); | |
386 | } | |
387 | ||
388 | // | |
389 | // Free this Expression | |
390 | // | |
391 | gBS->FreePool (Expression); | |
392 | } | |
393 | ||
394 | ||
395 | /** | |
7936fb6a | 396 | Free resources of a storage. |
93e3992d | 397 | |
398 | @param Storage Pointer of the storage | |
399 | ||
93e3992d | 400 | **/ |
401 | VOID | |
402 | DestroyStorage ( | |
403 | IN FORMSET_STORAGE *Storage | |
404 | ) | |
405 | { | |
406 | LIST_ENTRY *Link; | |
407 | NAME_VALUE_NODE *NameValueNode; | |
408 | ||
409 | if (Storage == NULL) { | |
410 | return; | |
411 | } | |
412 | ||
413 | SafeFreePool (Storage->Name); | |
414 | SafeFreePool (Storage->Buffer); | |
415 | SafeFreePool (Storage->EditBuffer); | |
416 | ||
417 | while (!IsListEmpty (&Storage->NameValueListHead)) { | |
418 | Link = GetFirstNode (&Storage->NameValueListHead); | |
419 | NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link); | |
420 | RemoveEntryList (&NameValueNode->Link); | |
421 | ||
422 | SafeFreePool (NameValueNode->Name); | |
423 | SafeFreePool (NameValueNode->Value); | |
424 | SafeFreePool (NameValueNode->EditValue); | |
425 | SafeFreePool (NameValueNode); | |
426 | } | |
427 | ||
428 | SafeFreePool (Storage->ConfigHdr); | |
429 | SafeFreePool (Storage->ConfigRequest); | |
430 | ||
431 | gBS->FreePool (Storage); | |
432 | } | |
433 | ||
434 | ||
435 | /** | |
7936fb6a | 436 | Free resources of a Statement. |
93e3992d | 437 | |
438 | @param Statement Pointer of the Statement | |
439 | ||
93e3992d | 440 | **/ |
441 | VOID | |
442 | DestroyStatement ( | |
443 | IN OUT FORM_BROWSER_STATEMENT *Statement | |
444 | ) | |
445 | { | |
446 | LIST_ENTRY *Link; | |
447 | QUESTION_DEFAULT *Default; | |
448 | QUESTION_OPTION *Option; | |
449 | FORM_EXPRESSION *Expression; | |
450 | ||
451 | // | |
452 | // Free Default value List | |
453 | // | |
454 | while (!IsListEmpty (&Statement->DefaultListHead)) { | |
455 | Link = GetFirstNode (&Statement->DefaultListHead); | |
456 | Default = QUESTION_DEFAULT_FROM_LINK (Link); | |
457 | RemoveEntryList (&Default->Link); | |
458 | ||
459 | gBS->FreePool (Default); | |
460 | } | |
461 | ||
462 | // | |
463 | // Free Options List | |
464 | // | |
465 | while (!IsListEmpty (&Statement->OptionListHead)) { | |
466 | Link = GetFirstNode (&Statement->OptionListHead); | |
467 | Option = QUESTION_OPTION_FROM_LINK (Link); | |
468 | RemoveEntryList (&Option->Link); | |
469 | ||
470 | gBS->FreePool (Option); | |
471 | } | |
472 | ||
473 | // | |
474 | // Free Inconsistent List | |
475 | // | |
476 | while (!IsListEmpty (&Statement->InconsistentListHead)) { | |
477 | Link = GetFirstNode (&Statement->InconsistentListHead); | |
478 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
479 | RemoveEntryList (&Expression->Link); | |
480 | ||
481 | DestroyExpression (Expression); | |
482 | } | |
483 | ||
484 | // | |
485 | // Free NoSubmit List | |
486 | // | |
487 | while (!IsListEmpty (&Statement->NoSubmitListHead)) { | |
488 | Link = GetFirstNode (&Statement->NoSubmitListHead); | |
489 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
490 | RemoveEntryList (&Expression->Link); | |
491 | ||
492 | DestroyExpression (Expression); | |
493 | } | |
494 | ||
495 | SafeFreePool (Statement->VariableName); | |
496 | SafeFreePool (Statement->BlockName); | |
497 | } | |
498 | ||
499 | ||
500 | /** | |
7936fb6a | 501 | Free resources of a Form. |
93e3992d | 502 | |
7936fb6a | 503 | @param Form Pointer of the Form. |
93e3992d | 504 | |
505 | **/ | |
506 | VOID | |
507 | DestroyForm ( | |
508 | IN OUT FORM_BROWSER_FORM *Form | |
509 | ) | |
510 | { | |
511 | LIST_ENTRY *Link; | |
512 | FORM_EXPRESSION *Expression; | |
513 | FORM_BROWSER_STATEMENT *Statement; | |
514 | ||
515 | // | |
516 | // Free Form Expressions | |
517 | // | |
518 | while (!IsListEmpty (&Form->ExpressionListHead)) { | |
519 | Link = GetFirstNode (&Form->ExpressionListHead); | |
520 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
521 | RemoveEntryList (&Expression->Link); | |
522 | ||
523 | DestroyExpression (Expression); | |
524 | } | |
525 | ||
526 | // | |
527 | // Free Statements/Questions | |
528 | // | |
529 | while (!IsListEmpty (&Form->StatementListHead)) { | |
530 | Link = GetFirstNode (&Form->StatementListHead); | |
531 | Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link); | |
532 | RemoveEntryList (&Statement->Link); | |
533 | ||
534 | DestroyStatement (Statement); | |
535 | } | |
536 | ||
537 | // | |
538 | // Free this Form | |
539 | // | |
540 | gBS->FreePool (Form); | |
541 | } | |
542 | ||
543 | ||
544 | /** | |
7936fb6a | 545 | Free resources allocated for a FormSet. |
93e3992d | 546 | |
547 | @param FormSet Pointer of the FormSet | |
548 | ||
93e3992d | 549 | **/ |
550 | VOID | |
551 | DestroyFormSet ( | |
552 | IN OUT FORM_BROWSER_FORMSET *FormSet | |
553 | ) | |
554 | { | |
555 | LIST_ENTRY *Link; | |
556 | FORMSET_STORAGE *Storage; | |
557 | FORMSET_DEFAULTSTORE *DefaultStore; | |
558 | FORM_BROWSER_FORM *Form; | |
559 | ||
560 | // | |
561 | // Free IFR binary buffer | |
562 | // | |
563 | SafeFreePool (FormSet->IfrBinaryData); | |
564 | ||
565 | // | |
566 | // Free FormSet Storage | |
567 | // | |
568 | if (FormSet->StorageListHead.ForwardLink != NULL) { | |
569 | while (!IsListEmpty (&FormSet->StorageListHead)) { | |
570 | Link = GetFirstNode (&FormSet->StorageListHead); | |
571 | Storage = FORMSET_STORAGE_FROM_LINK (Link); | |
572 | RemoveEntryList (&Storage->Link); | |
573 | ||
574 | DestroyStorage (Storage); | |
575 | } | |
576 | } | |
577 | ||
578 | // | |
579 | // Free FormSet Default Store | |
580 | // | |
581 | if (FormSet->DefaultStoreListHead.ForwardLink != NULL) { | |
582 | while (!IsListEmpty (&FormSet->DefaultStoreListHead)) { | |
583 | Link = GetFirstNode (&FormSet->DefaultStoreListHead); | |
584 | DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link); | |
585 | RemoveEntryList (&DefaultStore->Link); | |
586 | ||
587 | gBS->FreePool (DefaultStore); | |
588 | } | |
589 | } | |
590 | ||
591 | // | |
592 | // Free Forms | |
593 | // | |
594 | if (FormSet->FormListHead.ForwardLink != NULL) { | |
595 | while (!IsListEmpty (&FormSet->FormListHead)) { | |
596 | Link = GetFirstNode (&FormSet->FormListHead); | |
597 | Form = FORM_BROWSER_FORM_FROM_LINK (Link); | |
598 | RemoveEntryList (&Form->Link); | |
599 | ||
600 | DestroyForm (Form); | |
601 | } | |
602 | } | |
603 | ||
604 | SafeFreePool (FormSet->StatementBuffer); | |
605 | SafeFreePool (FormSet->ExpressionBuffer); | |
606 | ||
607 | SafeFreePool (FormSet); | |
608 | } | |
609 | ||
610 | ||
611 | /** | |
612 | Tell whether this Operand is an Expression OpCode or not | |
613 | ||
614 | @param Operand Operand of an IFR OpCode. | |
615 | ||
616 | @retval TRUE This is an Expression OpCode. | |
617 | @retval FALSE Not an Expression OpCode. | |
618 | ||
619 | **/ | |
620 | BOOLEAN | |
621 | IsExpressionOpCode ( | |
622 | IN UINT8 Operand | |
623 | ) | |
624 | { | |
625 | if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) || | |
626 | ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) || | |
627 | (Operand == EFI_IFR_CATENATE_OP) | |
628 | ) { | |
629 | return TRUE; | |
630 | } else { | |
631 | return FALSE; | |
632 | } | |
633 | } | |
634 | ||
635 | ||
636 | /** | |
637 | Calculate number of Statemens(Questions) and Expression OpCodes. | |
638 | ||
639 | @param FormSet The FormSet to be counted. | |
640 | @param NumberOfStatement Number of Statemens(Questions) | |
641 | @param NumberOfExpression Number of Expression OpCodes | |
642 | ||
93e3992d | 643 | **/ |
644 | VOID | |
645 | CountOpCodes ( | |
646 | IN FORM_BROWSER_FORMSET *FormSet, | |
647 | IN OUT UINT16 *NumberOfStatement, | |
648 | IN OUT UINT16 *NumberOfExpression | |
649 | ) | |
650 | { | |
651 | UINT16 StatementCount; | |
652 | UINT16 ExpressionCount; | |
653 | UINT8 *OpCodeData; | |
654 | UINTN Offset; | |
655 | UINTN OpCodeLen; | |
656 | ||
657 | Offset = 0; | |
658 | StatementCount = 0; | |
659 | ExpressionCount = 0; | |
660 | ||
661 | while (Offset < FormSet->IfrBinaryLength) { | |
662 | OpCodeData = FormSet->IfrBinaryData + Offset; | |
663 | OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
664 | Offset += OpCodeLen; | |
665 | ||
666 | if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) { | |
667 | ExpressionCount++; | |
668 | } else { | |
669 | StatementCount++; | |
670 | } | |
671 | } | |
672 | ||
673 | *NumberOfStatement = StatementCount; | |
674 | *NumberOfExpression = ExpressionCount; | |
675 | } | |
676 | ||
677 | ||
678 | /** | |
679 | Parse opcodes in the formset IFR binary. | |
680 | ||
681 | @param FormSet Pointer of the FormSet data structure. | |
682 | ||
683 | @retval EFI_SUCCESS Opcode parse success. | |
684 | @retval Other Opcode parse fail. | |
685 | ||
686 | **/ | |
687 | EFI_STATUS | |
688 | ParseOpCodes ( | |
689 | IN FORM_BROWSER_FORMSET *FormSet | |
690 | ) | |
691 | { | |
692 | EFI_STATUS Status; | |
693 | UINT16 Index; | |
694 | FORM_BROWSER_FORM *CurrentForm; | |
695 | FORM_BROWSER_STATEMENT *CurrentStatement; | |
696 | EXPRESSION_OPCODE *ExpressionOpCode; | |
697 | FORM_EXPRESSION *CurrentExpression; | |
698 | UINT8 Operand; | |
699 | UINT8 Scope; | |
700 | UINTN OpCodeOffset; | |
701 | UINTN OpCodeLength; | |
702 | UINT8 *OpCodeData; | |
703 | UINT8 ScopeOpCode; | |
704 | FORMSET_STORAGE *Storage; | |
705 | FORMSET_DEFAULTSTORE *DefaultStore; | |
706 | QUESTION_DEFAULT *CurrentDefault; | |
707 | QUESTION_OPTION *CurrentOption; | |
708 | CHAR8 *AsciiString; | |
709 | UINT16 NumberOfStatement; | |
710 | UINT16 NumberOfExpression; | |
711 | EFI_IMAGE_ID *ImageId; | |
712 | BOOLEAN SuppressForOption; | |
713 | BOOLEAN InScopeOptionSuppress; | |
714 | FORM_EXPRESSION *OptionSuppressExpression; | |
715 | BOOLEAN InScopeDisable; | |
716 | UINT16 DepthOfDisable; | |
717 | BOOLEAN OpCodeDisabled; | |
718 | BOOLEAN SingleOpCodeExpression; | |
719 | BOOLEAN InScopeDefault; | |
720 | EFI_HII_VALUE *Value; | |
721 | ||
722 | mInScopeSubtitle = FALSE; | |
723 | SuppressForOption = FALSE; | |
724 | mInScopeSuppress = FALSE; | |
725 | InScopeOptionSuppress = FALSE; | |
726 | mInScopeGrayOut = FALSE; | |
727 | InScopeDisable = FALSE; | |
728 | DepthOfDisable = 0; | |
729 | OpCodeDisabled = FALSE; | |
730 | SingleOpCodeExpression = FALSE; | |
731 | InScopeDefault = FALSE; | |
732 | CurrentExpression = NULL; | |
733 | CurrentDefault = NULL; | |
734 | CurrentOption = NULL; | |
735 | OptionSuppressExpression = NULL; | |
736 | ||
737 | // | |
738 | // Get the number of Statements and Expressions | |
739 | // | |
740 | CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression); | |
741 | ||
742 | mStatementIndex = 0; | |
743 | FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT)); | |
744 | if (FormSet->StatementBuffer == NULL) { | |
745 | return EFI_OUT_OF_RESOURCES; | |
746 | } | |
747 | ||
748 | mExpressionOpCodeIndex = 0; | |
749 | FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE)); | |
750 | if (FormSet->ExpressionBuffer == NULL) { | |
751 | return EFI_OUT_OF_RESOURCES; | |
752 | } | |
753 | ||
754 | InitializeListHead (&FormSet->StorageListHead); | |
755 | InitializeListHead (&FormSet->DefaultStoreListHead); | |
756 | InitializeListHead (&FormSet->FormListHead); | |
757 | ||
758 | CurrentForm = NULL; | |
759 | CurrentStatement = NULL; | |
760 | ||
761 | ResetScopeStack (); | |
762 | ||
763 | OpCodeOffset = 0; | |
764 | while (OpCodeOffset < FormSet->IfrBinaryLength) { | |
765 | OpCodeData = FormSet->IfrBinaryData + OpCodeOffset; | |
766 | ||
767 | OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
768 | OpCodeOffset += OpCodeLength; | |
769 | Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; | |
770 | Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope; | |
771 | ||
772 | // | |
773 | // If scope bit set, push onto scope stack | |
774 | // | |
7936fb6a | 775 | if (Scope != 0) { |
93e3992d | 776 | PushScope (Operand); |
777 | } | |
778 | ||
779 | if (OpCodeDisabled) { | |
780 | // | |
781 | // DisableIf Expression is evaluated to be TRUE, try to find its end. | |
782 | // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END | |
783 | // | |
784 | if (Operand == EFI_IFR_DISABLE_IF_OP) { | |
785 | DepthOfDisable++; | |
786 | } else if (Operand == EFI_IFR_END_OP) { | |
787 | Status = PopScope (&ScopeOpCode); | |
788 | if (EFI_ERROR (Status)) { | |
789 | return Status; | |
790 | } | |
791 | ||
792 | if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) { | |
793 | if (DepthOfDisable == 0) { | |
794 | InScopeDisable = FALSE; | |
795 | OpCodeDisabled = FALSE; | |
796 | } else { | |
797 | DepthOfDisable--; | |
798 | } | |
799 | } | |
800 | } | |
801 | continue; | |
802 | } | |
803 | ||
804 | if (IsExpressionOpCode (Operand)) { | |
805 | ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex]; | |
806 | mExpressionOpCodeIndex++; | |
807 | ||
808 | ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE; | |
809 | ExpressionOpCode->Operand = Operand; | |
810 | Value = &ExpressionOpCode->Value; | |
811 | ||
812 | switch (Operand) { | |
813 | case EFI_IFR_EQ_ID_VAL_OP: | |
814 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
815 | ||
816 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
817 | CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16)); | |
818 | break; | |
819 | ||
820 | case EFI_IFR_EQ_ID_ID_OP: | |
821 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID)); | |
822 | CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID)); | |
823 | break; | |
824 | ||
825 | case EFI_IFR_EQ_ID_LIST_OP: | |
826 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
827 | CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16)); | |
828 | ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList); | |
829 | break; | |
830 | ||
831 | case EFI_IFR_TO_STRING_OP: | |
832 | case EFI_IFR_FIND_OP: | |
833 | ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format; | |
834 | break; | |
835 | ||
836 | case EFI_IFR_STRING_REF1_OP: | |
837 | Value->Type = EFI_IFR_TYPE_STRING; | |
838 | CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID)); | |
839 | break; | |
840 | ||
841 | case EFI_IFR_RULE_REF_OP: | |
842 | ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId; | |
843 | break; | |
844 | ||
845 | case EFI_IFR_SPAN_OP: | |
846 | ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags; | |
847 | break; | |
848 | ||
849 | case EFI_IFR_THIS_OP: | |
850 | ExpressionOpCode->QuestionId = CurrentStatement->QuestionId; | |
851 | break; | |
852 | ||
853 | case EFI_IFR_QUESTION_REF1_OP: | |
854 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
855 | break; | |
856 | ||
857 | case EFI_IFR_QUESTION_REF3_OP: | |
858 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) { | |
859 | CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); | |
860 | ||
861 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) { | |
862 | CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
863 | } | |
864 | } | |
865 | break; | |
866 | ||
867 | // | |
868 | // constant | |
869 | // | |
870 | case EFI_IFR_TRUE_OP: | |
871 | Value->Type = EFI_IFR_TYPE_BOOLEAN; | |
872 | Value->Value.b = TRUE; | |
873 | break; | |
874 | ||
875 | case EFI_IFR_FALSE_OP: | |
876 | Value->Type = EFI_IFR_TYPE_BOOLEAN; | |
877 | Value->Value.b = FALSE; | |
878 | break; | |
879 | ||
880 | case EFI_IFR_ONE_OP: | |
881 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
882 | Value->Value.u8 = 1; | |
883 | break; | |
884 | ||
885 | case EFI_IFR_ZERO_OP: | |
886 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
887 | Value->Value.u8 = 0; | |
888 | break; | |
889 | ||
890 | case EFI_IFR_ONES_OP: | |
891 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
ee17f9c1 | 892 | Value->Value.u64 = 0xffffffffffffffffULL; |
93e3992d | 893 | break; |
894 | ||
895 | case EFI_IFR_UINT8_OP: | |
896 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
897 | Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value; | |
898 | break; | |
899 | ||
900 | case EFI_IFR_UINT16_OP: | |
901 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
902 | CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16)); | |
903 | break; | |
904 | ||
905 | case EFI_IFR_UINT32_OP: | |
906 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; | |
907 | CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32)); | |
908 | break; | |
909 | ||
910 | case EFI_IFR_UINT64_OP: | |
911 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
912 | CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64)); | |
913 | break; | |
914 | ||
915 | case EFI_IFR_UNDEFINED_OP: | |
916 | Value->Type = EFI_IFR_TYPE_OTHER; | |
917 | break; | |
918 | ||
919 | case EFI_IFR_VERSION_OP: | |
920 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
921 | Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION; | |
922 | break; | |
923 | ||
924 | default: | |
925 | break; | |
926 | } | |
927 | ||
928 | InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link); | |
929 | ||
930 | if (SingleOpCodeExpression) { | |
931 | // | |
932 | // There are two cases to indicate the end of an Expression: | |
933 | // for single OpCode expression: one Expression OpCode | |
934 | // for expression consists of more than one OpCode: EFI_IFR_END | |
935 | // | |
936 | SingleOpCodeExpression = FALSE; | |
937 | ||
938 | if (InScopeDisable) { | |
939 | // | |
940 | // Evaluate DisableIf expression | |
941 | // | |
942 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); | |
943 | if (EFI_ERROR (Status)) { | |
944 | return Status; | |
945 | } | |
946 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { | |
947 | return EFI_INVALID_PARAMETER; | |
948 | } | |
949 | ||
950 | OpCodeDisabled = CurrentExpression->Result.Value.b; | |
951 | } | |
952 | ||
953 | CurrentExpression = NULL; | |
954 | } | |
955 | ||
956 | continue; | |
957 | } | |
958 | ||
959 | // | |
960 | // Parse the Opcode | |
961 | // | |
962 | switch (Operand) { | |
963 | ||
964 | case EFI_IFR_FORM_SET_OP: | |
965 | // | |
966 | // check the formset GUID | |
967 | // | |
968 | if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) { | |
969 | return EFI_INVALID_PARAMETER; | |
970 | } | |
971 | ||
972 | CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID)); | |
973 | CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID)); | |
974 | break; | |
975 | ||
976 | case EFI_IFR_FORM_OP: | |
977 | // | |
978 | // Create a new Form for this FormSet | |
979 | // | |
980 | CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM)); | |
981 | CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE; | |
982 | InitializeListHead (&CurrentForm->ExpressionListHead); | |
983 | InitializeListHead (&CurrentForm->StatementListHead); | |
984 | ||
985 | CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16)); | |
986 | CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID)); | |
987 | ||
988 | // | |
989 | // Insert into Form list of this FormSet | |
990 | // | |
991 | InsertTailList (&FormSet->FormListHead, &CurrentForm->Link); | |
992 | break; | |
993 | ||
994 | // | |
995 | // Storage | |
996 | // | |
997 | case EFI_IFR_VARSTORE_OP: | |
998 | // | |
999 | // Create a buffer Storage for this FormSet | |
1000 | // | |
1001 | Storage = CreateStorage (FormSet); | |
1002 | Storage->Type = EFI_HII_VARSTORE_BUFFER; | |
1003 | ||
1004 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1005 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1006 | CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16)); | |
1007 | ||
1008 | Storage->Buffer = AllocateZeroPool (Storage->Size); | |
1009 | Storage->EditBuffer = AllocateZeroPool (Storage->Size); | |
1010 | ||
1011 | AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name; | |
1012 | Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2); | |
1013 | ASSERT (Storage->Name != NULL); | |
1014 | for (Index = 0; AsciiString[Index] != 0; Index++) { | |
1015 | Storage->Name[Index] = (CHAR16) AsciiString[Index]; | |
1016 | } | |
1017 | ||
1018 | // | |
1019 | // Initialize <ConfigHdr> | |
1020 | // | |
1021 | InitializeConfigHdr (FormSet, Storage); | |
1022 | break; | |
1023 | ||
1024 | case EFI_IFR_VARSTORE_NAME_VALUE_OP: | |
1025 | // | |
1026 | // Create a name/value Storage for this FormSet | |
1027 | // | |
1028 | Storage = CreateStorage (FormSet); | |
1029 | Storage->Type = EFI_HII_VARSTORE_NAME_VALUE; | |
1030 | ||
1031 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1032 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1033 | ||
1034 | // | |
1035 | // Initialize <ConfigHdr> | |
1036 | // | |
1037 | InitializeConfigHdr (FormSet, Storage); | |
1038 | break; | |
1039 | ||
1040 | case EFI_IFR_VARSTORE_EFI_OP: | |
1041 | // | |
1042 | // Create a EFI variable Storage for this FormSet | |
1043 | // | |
1044 | Storage = CreateStorage (FormSet); | |
1045 | Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE; | |
1046 | ||
1047 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1048 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1049 | CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32)); | |
1050 | break; | |
1051 | ||
1052 | // | |
1053 | // DefaultStore | |
1054 | // | |
1055 | case EFI_IFR_DEFAULTSTORE_OP: | |
1056 | DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE)); | |
1057 | DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE; | |
1058 | ||
1059 | CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16)); | |
1060 | CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID)); | |
1061 | ||
1062 | // | |
1063 | // Insert to DefaultStore list of this Formset | |
1064 | // | |
1065 | InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link); | |
1066 | break; | |
1067 | ||
1068 | // | |
1069 | // Statements | |
1070 | // | |
1071 | case EFI_IFR_SUBTITLE_OP: | |
1072 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); | |
1073 | CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags; | |
1074 | ||
7936fb6a | 1075 | if (Scope != 0) { |
93e3992d | 1076 | mInScopeSubtitle = TRUE; |
1077 | } | |
1078 | break; | |
1079 | ||
1080 | case EFI_IFR_TEXT_OP: | |
1081 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); | |
1082 | ||
1083 | CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID)); | |
1084 | break; | |
1085 | ||
1086 | // | |
1087 | // Questions | |
1088 | // | |
1089 | case EFI_IFR_ACTION_OP: | |
1090 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1091 | ||
1092 | if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) { | |
1093 | // | |
1094 | // No QuestionConfig present, so no configuration string will be processed | |
1095 | // | |
1096 | CurrentStatement->QuestionConfig = 0; | |
1097 | } else { | |
1098 | CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID)); | |
1099 | } | |
1100 | break; | |
1101 | ||
1102 | case EFI_IFR_RESET_BUTTON_OP: | |
1103 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1104 | ||
1105 | CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID)); | |
1106 | break; | |
1107 | ||
1108 | case EFI_IFR_REF_OP: | |
1109 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1110 | ||
1111 | CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID)); | |
1112 | if (OpCodeLength >= sizeof (EFI_IFR_REF2)) { | |
1113 | CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
1114 | ||
1115 | if (OpCodeLength >= sizeof (EFI_IFR_REF3)) { | |
1116 | CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID)); | |
1117 | ||
1118 | if (OpCodeLength >= sizeof (EFI_IFR_REF4)) { | |
1119 | CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); | |
1120 | } | |
1121 | } | |
1122 | } | |
1123 | break; | |
1124 | ||
1125 | case EFI_IFR_ONE_OF_OP: | |
1126 | case EFI_IFR_NUMERIC_OP: | |
1127 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1128 | ||
1129 | CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags; | |
1130 | Value = &CurrentStatement->HiiValue; | |
1131 | ||
1132 | switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) { | |
1133 | case EFI_IFR_NUMERIC_SIZE_1: | |
1134 | CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue; | |
1135 | CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue; | |
1136 | CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step; | |
1137 | CurrentStatement->StorageWidth = sizeof (UINT8); | |
1138 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
1139 | break; | |
1140 | ||
1141 | case EFI_IFR_NUMERIC_SIZE_2: | |
1142 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16)); | |
1143 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16)); | |
1144 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16)); | |
1145 | CurrentStatement->StorageWidth = sizeof (UINT16); | |
1146 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
1147 | break; | |
1148 | ||
1149 | case EFI_IFR_NUMERIC_SIZE_4: | |
1150 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32)); | |
1151 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32)); | |
1152 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32)); | |
1153 | CurrentStatement->StorageWidth = sizeof (UINT32); | |
1154 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; | |
1155 | break; | |
1156 | ||
1157 | case EFI_IFR_NUMERIC_SIZE_8: | |
1158 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64)); | |
1159 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64)); | |
1160 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64)); | |
1161 | CurrentStatement->StorageWidth = sizeof (UINT64); | |
1162 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
1163 | break; | |
1164 | ||
1165 | default: | |
1166 | break; | |
1167 | } | |
1168 | ||
1169 | InitializeRequestElement (FormSet, CurrentStatement); | |
1170 | ||
7936fb6a | 1171 | if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) { |
93e3992d | 1172 | SuppressForOption = TRUE; |
1173 | } | |
1174 | break; | |
1175 | ||
1176 | case EFI_IFR_ORDERED_LIST_OP: | |
1177 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1178 | ||
1179 | CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags; | |
1180 | CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers; | |
1181 | CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8)); | |
1182 | InitializeRequestElement (FormSet, CurrentStatement); | |
1183 | ||
1184 | // | |
1185 | // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver | |
1186 | // has to use FormBrowser2.Callback() to retrieve the uncommited data for | |
1187 | // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set). | |
1188 | // | |
1189 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER; | |
1190 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth); | |
1191 | ||
7936fb6a | 1192 | if (Scope != 0) { |
93e3992d | 1193 | SuppressForOption = TRUE; |
1194 | } | |
1195 | break; | |
1196 | ||
1197 | case EFI_IFR_CHECKBOX_OP: | |
1198 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1199 | ||
1200 | CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags; | |
1201 | CurrentStatement->StorageWidth = sizeof (BOOLEAN); | |
1202 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN; | |
1203 | ||
1204 | InitializeRequestElement (FormSet, CurrentStatement); | |
1205 | break; | |
1206 | ||
1207 | case EFI_IFR_STRING_OP: | |
1208 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1209 | ||
1210 | // | |
1211 | // MinSize is the minimum number of characters that can be accepted for this opcode, | |
1212 | // MaxSize is the maximum number of characters that can be accepted for this opcode. | |
1213 | // The characters are stored as Unicode, so the storage width should multiply 2. | |
1214 | // | |
1215 | CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize; | |
1216 | CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize; | |
813acf3a | 1217 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16)); |
93e3992d | 1218 | CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags; |
1219 | ||
1220 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; | |
813acf3a | 1221 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16)); |
93e3992d | 1222 | |
1223 | InitializeRequestElement (FormSet, CurrentStatement); | |
1224 | break; | |
1225 | ||
1226 | case EFI_IFR_PASSWORD_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 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16)); | |
1235 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16)); | |
813acf3a | 1236 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16)); |
93e3992d | 1237 | |
1238 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; | |
813acf3a | 1239 | CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16))); |
93e3992d | 1240 | |
1241 | InitializeRequestElement (FormSet, CurrentStatement); | |
1242 | break; | |
1243 | ||
1244 | case EFI_IFR_DATE_OP: | |
1245 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1246 | ||
1247 | CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags; | |
1248 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE; | |
1249 | ||
1250 | if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) { | |
1251 | CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE); | |
1252 | ||
1253 | InitializeRequestElement (FormSet, CurrentStatement); | |
1254 | } else { | |
1255 | // | |
1256 | // Don't assign storage for RTC type of date/time | |
1257 | // | |
1258 | CurrentStatement->Storage = NULL; | |
1259 | CurrentStatement->StorageWidth = 0; | |
1260 | } | |
1261 | break; | |
1262 | ||
1263 | case EFI_IFR_TIME_OP: | |
1264 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1265 | ||
1266 | CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags; | |
1267 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME; | |
1268 | ||
1269 | if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) { | |
1270 | CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME); | |
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 | // | |
1283 | // Default | |
1284 | // | |
1285 | case EFI_IFR_DEFAULT_OP: | |
1286 | // | |
1287 | // EFI_IFR_DEFAULT appear in scope of a Question, | |
1288 | // It creates a default value for the current question. | |
1289 | // A Question may have more than one Default value which have different default types. | |
1290 | // | |
1291 | CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT)); | |
1292 | CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE; | |
1293 | ||
1294 | CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type; | |
1295 | CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16)); | |
1296 | CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); | |
1297 | ExtendValueToU64 (&CurrentDefault->Value); | |
1298 | ||
1299 | // | |
1300 | // Insert to Default Value list of current Question | |
1301 | // | |
1302 | InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link); | |
1303 | ||
7936fb6a | 1304 | if (Scope != 0) { |
93e3992d | 1305 | InScopeDefault = TRUE; |
1306 | } | |
1307 | break; | |
1308 | ||
1309 | // | |
1310 | // Option | |
1311 | // | |
1312 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1313 | // | |
1314 | // EFI_IFR_ONE_OF_OPTION appear in scope of a Question. | |
1315 | // It create a selection for use in current Question. | |
1316 | // | |
1317 | CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION)); | |
1318 | CurrentOption->Signature = QUESTION_OPTION_SIGNATURE; | |
1319 | ||
1320 | CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags; | |
1321 | CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type; | |
1322 | CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID)); | |
1323 | CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); | |
1324 | ExtendValueToU64 (&CurrentOption->Value); | |
1325 | ||
1326 | if (InScopeOptionSuppress) { | |
1327 | CurrentOption->SuppressExpression = OptionSuppressExpression; | |
1328 | } | |
1329 | ||
1330 | // | |
1331 | // Insert to Option list of current Question | |
1332 | // | |
1333 | InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link); | |
1334 | break; | |
1335 | ||
1336 | // | |
1337 | // Conditional | |
1338 | // | |
1339 | case EFI_IFR_NO_SUBMIT_IF_OP: | |
1340 | case EFI_IFR_INCONSISTENT_IF_OP: | |
1341 | // | |
1342 | // Create an Expression node | |
1343 | // | |
1344 | CurrentExpression = CreateExpression (CurrentForm); | |
1345 | CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID)); | |
1346 | ||
1347 | if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) { | |
1348 | CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF; | |
1349 | InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link); | |
1350 | } else { | |
1351 | CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF; | |
1352 | InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link); | |
1353 | } | |
1354 | break; | |
1355 | ||
1356 | case EFI_IFR_SUPPRESS_IF_OP: | |
1357 | // | |
1358 | // Question and Option will appear in scope of this OpCode | |
1359 | // | |
1360 | CurrentExpression = CreateExpression (CurrentForm); | |
1361 | CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF; | |
1362 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1363 | ||
1364 | if (SuppressForOption) { | |
1365 | InScopeOptionSuppress = TRUE; | |
1366 | OptionSuppressExpression = CurrentExpression; | |
1367 | } else { | |
1368 | mInScopeSuppress = TRUE; | |
1369 | mSuppressExpression = CurrentExpression; | |
1370 | } | |
1371 | break; | |
1372 | ||
1373 | case EFI_IFR_GRAY_OUT_IF_OP: | |
1374 | // | |
1375 | // Questions will appear in scope of this OpCode | |
1376 | // | |
1377 | CurrentExpression = CreateExpression (CurrentForm); | |
1378 | CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF; | |
1379 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1380 | ||
1381 | mInScopeGrayOut = TRUE; | |
1382 | mGrayOutExpression = CurrentExpression; | |
1383 | break; | |
1384 | ||
1385 | case EFI_IFR_DISABLE_IF_OP: | |
1386 | // | |
1387 | // The DisableIf expression should only rely on constant, so it could be | |
1388 | // evaluated at initialization and it will not be queued | |
1389 | // | |
1390 | CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); | |
1391 | CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE; | |
1392 | CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF; | |
1393 | InitializeListHead (&CurrentExpression->OpCodeListHead); | |
1394 | ||
1395 | InScopeDisable = TRUE; | |
1396 | OpCodeDisabled = FALSE; | |
1397 | ||
1398 | // | |
1399 | // Take a look at next OpCode to see whether current expression consists | |
1400 | // of single OpCode | |
1401 | // | |
1402 | if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) { | |
1403 | SingleOpCodeExpression = TRUE; | |
1404 | } | |
1405 | break; | |
1406 | ||
1407 | // | |
1408 | // Expression | |
1409 | // | |
1410 | case EFI_IFR_VALUE_OP: | |
1411 | CurrentExpression = CreateExpression (CurrentForm); | |
1412 | CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE; | |
1413 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1414 | ||
1415 | if (InScopeDefault) { | |
1416 | // | |
1417 | // Used for default (EFI_IFR_DEFAULT) | |
1418 | // | |
1419 | CurrentDefault->ValueExpression = CurrentExpression; | |
1420 | } else { | |
1421 | // | |
1422 | // If used for a question, then the question will be read-only | |
1423 | // | |
1424 | CurrentStatement->ValueExpression = CurrentExpression; | |
1425 | } | |
1426 | break; | |
1427 | ||
1428 | case EFI_IFR_RULE_OP: | |
1429 | CurrentExpression = CreateExpression (CurrentForm); | |
1430 | CurrentExpression->Type = EFI_HII_EXPRESSION_RULE; | |
1431 | ||
1432 | CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId; | |
1433 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1434 | break; | |
1435 | ||
1436 | // | |
1437 | // Image | |
1438 | // | |
1439 | case EFI_IFR_IMAGE_OP: | |
1440 | // | |
1441 | // Get ScopeOpcode from top of stack | |
1442 | // | |
1443 | PopScope (&ScopeOpCode); | |
1444 | PushScope (ScopeOpCode); | |
1445 | ||
1446 | switch (ScopeOpCode) { | |
1447 | case EFI_IFR_FORM_SET_OP: | |
1448 | ImageId = &FormSet->ImageId; | |
1449 | break; | |
1450 | ||
1451 | case EFI_IFR_FORM_OP: | |
1452 | ImageId = &CurrentForm->ImageId; | |
1453 | break; | |
1454 | ||
1455 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1456 | ImageId = &CurrentOption->ImageId; | |
1457 | break; | |
1458 | ||
1459 | default: | |
1460 | ImageId = &CurrentStatement->ImageId; | |
1461 | break; | |
1462 | } | |
1463 | ||
1464 | CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID)); | |
1465 | break; | |
1466 | ||
1467 | // | |
1468 | // Refresh | |
1469 | // | |
1470 | case EFI_IFR_REFRESH_OP: | |
1471 | CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval; | |
1472 | break; | |
1473 | ||
1474 | // | |
1475 | // Vendor specific | |
1476 | // | |
1477 | case EFI_IFR_GUID_OP: | |
1478 | if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) { | |
1479 | // | |
1480 | // Tiano specific GUIDed opcodes | |
1481 | // | |
1482 | switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) { | |
1483 | case EFI_IFR_EXTEND_OP_LABEL: | |
1484 | // | |
1485 | // just ignore label | |
1486 | // | |
1487 | break; | |
1488 | ||
1489 | case EFI_IFR_EXTEND_OP_BANNER: | |
1490 | if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) { | |
1491 | CopyMem ( | |
1492 | &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][ | |
1493 | ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment], | |
1494 | &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title, | |
1495 | sizeof (EFI_STRING_ID) | |
1496 | ); | |
1497 | } | |
1498 | break; | |
1499 | ||
1500 | case EFI_IFR_EXTEND_OP_CLASS: | |
1501 | CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16)); | |
1502 | break; | |
1503 | ||
1504 | case EFI_IFR_EXTEND_OP_SUBCLASS: | |
1505 | CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16)); | |
1506 | break; | |
1507 | ||
1508 | default: | |
1509 | break; | |
1510 | } | |
1511 | } | |
1512 | break; | |
1513 | ||
1514 | // | |
1515 | // Scope End | |
1516 | // | |
1517 | case EFI_IFR_END_OP: | |
1518 | Status = PopScope (&ScopeOpCode); | |
1519 | if (EFI_ERROR (Status)) { | |
1520 | ResetScopeStack (); | |
1521 | return Status; | |
1522 | } | |
1523 | ||
1524 | switch (ScopeOpCode) { | |
1525 | case EFI_IFR_FORM_SET_OP: | |
1526 | // | |
1527 | // End of FormSet, update FormSet IFR binary length | |
1528 | // to stop parsing substantial OpCodes | |
1529 | // | |
1530 | FormSet->IfrBinaryLength = OpCodeOffset; | |
1531 | break; | |
1532 | ||
1533 | case EFI_IFR_FORM_OP: | |
1534 | // | |
1535 | // End of Form | |
1536 | // | |
1537 | CurrentForm = NULL; | |
1538 | break; | |
1539 | ||
1540 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1541 | // | |
1542 | // End of Option | |
1543 | // | |
1544 | CurrentOption = NULL; | |
1545 | break; | |
1546 | ||
1547 | case EFI_IFR_SUBTITLE_OP: | |
1548 | mInScopeSubtitle = FALSE; | |
1549 | break; | |
1550 | ||
1551 | case EFI_IFR_NO_SUBMIT_IF_OP: | |
1552 | case EFI_IFR_INCONSISTENT_IF_OP: | |
1553 | // | |
1554 | // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF | |
1555 | // | |
1556 | break; | |
1557 | ||
1558 | case EFI_IFR_SUPPRESS_IF_OP: | |
1559 | if (SuppressForOption) { | |
1560 | InScopeOptionSuppress = FALSE; | |
1561 | } else { | |
1562 | mInScopeSuppress = FALSE; | |
1563 | } | |
1564 | break; | |
1565 | ||
1566 | case EFI_IFR_GRAY_OUT_IF_OP: | |
1567 | mInScopeGrayOut = FALSE; | |
1568 | break; | |
1569 | ||
1570 | case EFI_IFR_DISABLE_IF_OP: | |
1571 | InScopeDisable = FALSE; | |
1572 | OpCodeDisabled = FALSE; | |
1573 | break; | |
1574 | ||
1575 | case EFI_IFR_ONE_OF_OP: | |
1576 | case EFI_IFR_ORDERED_LIST_OP: | |
1577 | SuppressForOption = FALSE; | |
1578 | break; | |
1579 | ||
1580 | case EFI_IFR_DEFAULT_OP: | |
1581 | InScopeDefault = FALSE; | |
1582 | break; | |
1583 | ||
1584 | default: | |
1585 | if (IsExpressionOpCode (ScopeOpCode)) { | |
1586 | if (InScopeDisable) { | |
1587 | // | |
1588 | // Evaluate DisableIf expression | |
1589 | // | |
1590 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); | |
1591 | if (EFI_ERROR (Status)) { | |
1592 | return Status; | |
1593 | } | |
1594 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { | |
1595 | return EFI_INVALID_PARAMETER; | |
1596 | } | |
1597 | ||
1598 | OpCodeDisabled = CurrentExpression->Result.Value.b; | |
1599 | // | |
1600 | // DisableIf Expression is only used once and not quequed, free it | |
1601 | // | |
1602 | DestroyExpression (CurrentExpression); | |
1603 | } | |
1604 | ||
1605 | // | |
1606 | // End of current Expression | |
1607 | // | |
1608 | CurrentExpression = NULL; | |
1609 | } | |
1610 | break; | |
1611 | } | |
1612 | break; | |
1613 | ||
1614 | default: | |
1615 | break; | |
1616 | } | |
1617 | } | |
1618 | ||
1619 | return EFI_SUCCESS; | |
1620 | } |