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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; | |
f511d656 | 28 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_GUID mFrameworkHiiCompatibilityGuid = EFI_IFR_FRAMEWORK_GUID; |
93e3992d | 29 | |
30 | ||
31 | /** | |
32 | Initialize Statement header members. | |
33 | ||
34 | @param OpCodeData Pointer of the raw OpCode data. | |
35 | @param FormSet Pointer of the current FormSe. | |
36 | @param Form Pointer of the current Form. | |
37 | ||
38 | @return The Statement. | |
39 | ||
40 | **/ | |
41 | FORM_BROWSER_STATEMENT * | |
42 | CreateStatement ( | |
43 | IN UINT8 *OpCodeData, | |
44 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
45 | IN OUT FORM_BROWSER_FORM *Form | |
46 | ) | |
47 | { | |
48 | FORM_BROWSER_STATEMENT *Statement; | |
49 | EFI_IFR_STATEMENT_HEADER *StatementHdr; | |
50 | ||
51 | if (Form == NULL) { | |
52 | // | |
53 | // We are currently not in a Form Scope, so just skip this Statement | |
54 | // | |
55 | return NULL; | |
56 | } | |
57 | ||
58 | Statement = &FormSet->StatementBuffer[mStatementIndex]; | |
59 | mStatementIndex++; | |
60 | ||
61 | InitializeListHead (&Statement->DefaultListHead); | |
62 | InitializeListHead (&Statement->OptionListHead); | |
63 | InitializeListHead (&Statement->InconsistentListHead); | |
64 | InitializeListHead (&Statement->NoSubmitListHead); | |
65 | ||
66 | Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE; | |
67 | ||
68 | Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; | |
69 | ||
70 | StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); | |
71 | CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID)); | |
72 | CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID)); | |
73 | ||
74 | if (mInScopeSuppress) { | |
75 | Statement->SuppressExpression = mSuppressExpression; | |
76 | } | |
77 | ||
78 | if (mInScopeGrayOut) { | |
79 | Statement->GrayOutExpression = mGrayOutExpression; | |
80 | } | |
81 | ||
82 | Statement->InSubtitle = mInScopeSubtitle; | |
83 | ||
84 | // | |
85 | // Insert this Statement into current Form | |
86 | // | |
87 | InsertTailList (&Form->StatementListHead, &Statement->Link); | |
88 | ||
89 | return Statement; | |
90 | } | |
91 | ||
f511d656 | 92 | EFI_STATUS |
93 | UpdateCheckBoxStringToken ( | |
94 | IN CONST FORM_BROWSER_FORMSET *FormSet, | |
95 | IN FORM_BROWSER_STATEMENT *Statement | |
96 | ) | |
97 | { | |
98 | CHAR16 Str[MAXIMUM_VALUE_CHARACTERS]; | |
99 | EFI_STRING_ID Id; | |
100 | EFI_STATUS Status; | |
101 | ||
102 | ASSERT (Statement != NULL); | |
1d5825ab | 103 | ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP); |
f511d656 | 104 | |
105 | UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1); | |
106 | ||
107 | Status = HiiLibNewString (FormSet->HiiHandle, &Id, Str); | |
108 | ||
109 | if (EFI_ERROR (Status)) { | |
110 | return Status; | |
111 | } | |
112 | ||
113 | Statement->VarStoreInfo.VarName = Id; | |
114 | ||
115 | return EFI_SUCCESS; | |
116 | } | |
117 | ||
118 | BOOLEAN | |
119 | IsNextOpCodeGuidedVarEqName ( | |
120 | UINT8 *OpCodeData | |
121 | ) | |
122 | { | |
123 | // | |
124 | // Get next opcode | |
125 | // | |
126 | OpCodeData += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
127 | if (*OpCodeData == EFI_IFR_GUID_OP) { | |
128 | if (CompareGuid (&mFrameworkHiiCompatibilityGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) { | |
129 | // | |
130 | // Specific GUIDed opcodes to support IFR generated from Framework HII VFR | |
131 | // | |
132 | if ((((EFI_IFR_GUID_VAREQNAME *) OpCodeData)->ExtendOpCode) == EFI_IFR_EXTEND_OP_VAREQNAME) { | |
133 | return TRUE; | |
134 | } | |
135 | } | |
136 | } | |
137 | ||
138 | return FALSE; | |
139 | } | |
93e3992d | 140 | |
141 | /** | |
142 | Initialize Question's members. | |
143 | ||
144 | @param OpCodeData Pointer of the raw OpCode data. | |
145 | @param FormSet Pointer of the current FormSet. | |
146 | @param Form Pointer of the current Form. | |
147 | ||
148 | @return The Question. | |
149 | ||
150 | **/ | |
151 | FORM_BROWSER_STATEMENT * | |
152 | CreateQuestion ( | |
153 | IN UINT8 *OpCodeData, | |
154 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
155 | IN OUT FORM_BROWSER_FORM *Form | |
156 | ) | |
157 | { | |
158 | FORM_BROWSER_STATEMENT *Statement; | |
159 | EFI_IFR_QUESTION_HEADER *QuestionHdr; | |
160 | LIST_ENTRY *Link; | |
161 | FORMSET_STORAGE *Storage; | |
162 | NAME_VALUE_NODE *NameValueNode; | |
f511d656 | 163 | EFI_STATUS Status; |
93e3992d | 164 | |
165 | Statement = CreateStatement (OpCodeData, FormSet, Form); | |
166 | if (Statement == NULL) { | |
167 | return NULL; | |
168 | } | |
169 | ||
170 | QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER)); | |
171 | CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID)); | |
172 | CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
173 | CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16)); | |
174 | ||
175 | Statement->QuestionFlags = QuestionHdr->Flags; | |
176 | ||
177 | if (Statement->VarStoreId == 0) { | |
178 | // | |
179 | // VarStoreId of zero indicates no variable storage | |
180 | // | |
181 | return Statement; | |
182 | } | |
183 | ||
f511d656 | 184 | // |
185 | // Take a look at next OpCode to see whether it is a GUIDed opcode to support | |
186 | // Framework Compatibility | |
187 | // | |
188 | if (FeaturePcdGet (PcdFrameworkHiiCompatibilitySupport)) { | |
1d5825ab | 189 | if ((*OpCodeData == EFI_IFR_NUMERIC_OP) && IsNextOpCodeGuidedVarEqName (OpCodeData)) { |
f511d656 | 190 | Status = UpdateCheckBoxStringToken (FormSet, Statement); |
191 | if (EFI_ERROR (Status)) { | |
192 | return NULL; | |
193 | } | |
194 | } | |
195 | } | |
196 | ||
93e3992d | 197 | // |
198 | // Find Storage for this Question | |
199 | // | |
200 | Link = GetFirstNode (&FormSet->StorageListHead); | |
201 | while (!IsNull (&FormSet->StorageListHead, Link)) { | |
202 | Storage = FORMSET_STORAGE_FROM_LINK (Link); | |
203 | ||
204 | if (Storage->VarStoreId == Statement->VarStoreId) { | |
205 | Statement->Storage = Storage; | |
206 | break; | |
207 | } | |
208 | ||
209 | Link = GetNextNode (&FormSet->StorageListHead, Link); | |
210 | } | |
211 | ASSERT (Statement->Storage != NULL); | |
212 | ||
213 | // | |
214 | // Initialilze varname for Name/Value or EFI Variable | |
215 | // | |
216 | if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) || | |
217 | (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) { | |
218 | Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle); | |
219 | ASSERT (Statement->VariableName != NULL); | |
220 | ||
221 | if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) { | |
222 | // | |
223 | // Insert to Name/Value varstore list | |
224 | // | |
225 | NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE)); | |
226 | ASSERT (NameValueNode != NULL); | |
227 | NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE; | |
228 | NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName); | |
229 | ASSERT (NameValueNode->Name != NULL); | |
230 | NameValueNode->Value = AllocateZeroPool (0x10); | |
231 | ASSERT (NameValueNode->Value != NULL); | |
232 | NameValueNode->EditValue = AllocateZeroPool (0x10); | |
233 | ASSERT (NameValueNode->EditValue != NULL); | |
234 | ||
235 | InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link); | |
236 | } | |
237 | } | |
238 | ||
239 | return Statement; | |
240 | } | |
241 | ||
242 | ||
243 | /** | |
244 | Allocate a FORM_EXPRESSION node. | |
245 | ||
246 | @param Form The Form associated with this Expression | |
247 | ||
248 | @return Pointer to a FORM_EXPRESSION data structure. | |
249 | ||
250 | **/ | |
251 | FORM_EXPRESSION * | |
252 | CreateExpression ( | |
253 | IN OUT FORM_BROWSER_FORM *Form | |
254 | ) | |
255 | { | |
256 | FORM_EXPRESSION *Expression; | |
257 | ||
258 | Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); | |
259 | Expression->Signature = FORM_EXPRESSION_SIGNATURE; | |
260 | InitializeListHead (&Expression->OpCodeListHead); | |
261 | ||
262 | return Expression; | |
263 | } | |
264 | ||
265 | ||
266 | /** | |
267 | Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List. | |
268 | ||
269 | @param FormSet Pointer of the current FormSet | |
270 | ||
271 | @return Pointer to a FORMSET_STORAGE data structure. | |
272 | ||
273 | **/ | |
274 | FORMSET_STORAGE * | |
275 | CreateStorage ( | |
276 | IN FORM_BROWSER_FORMSET *FormSet | |
277 | ) | |
278 | { | |
279 | FORMSET_STORAGE *Storage; | |
280 | ||
281 | Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE)); | |
282 | Storage->Signature = FORMSET_STORAGE_SIGNATURE; | |
283 | InitializeListHead (&Storage->NameValueListHead); | |
284 | InsertTailList (&FormSet->StorageListHead, &Storage->Link); | |
285 | ||
286 | return Storage; | |
287 | } | |
288 | ||
289 | ||
290 | /** | |
291 | Create ConfigHdr string for a storage. | |
292 | ||
293 | @param FormSet Pointer of the current FormSet | |
294 | @param Storage Pointer of the storage | |
295 | ||
296 | @retval EFI_SUCCESS Initialize ConfigHdr success | |
297 | ||
298 | **/ | |
299 | EFI_STATUS | |
300 | InitializeConfigHdr ( | |
301 | IN FORM_BROWSER_FORMSET *FormSet, | |
302 | IN OUT FORMSET_STORAGE *Storage | |
303 | ) | |
304 | { | |
305 | EFI_STATUS Status; | |
306 | UINTN StrBufferLen; | |
307 | CHAR16 *Name; | |
308 | ||
309 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { | |
310 | Name = Storage->Name; | |
311 | } else { | |
312 | Name = NULL; | |
313 | } | |
314 | ||
315 | StrBufferLen = 0; | |
316 | Status = ConstructConfigHdr ( | |
317 | Storage->ConfigHdr, | |
318 | &StrBufferLen, | |
319 | &Storage->Guid, | |
320 | Name, | |
321 | FormSet->DriverHandle | |
322 | ); | |
323 | if (Status == EFI_BUFFER_TOO_SMALL) { | |
324 | Storage->ConfigHdr = AllocateZeroPool (StrBufferLen); | |
325 | Status = ConstructConfigHdr ( | |
326 | Storage->ConfigHdr, | |
327 | &StrBufferLen, | |
328 | &Storage->Guid, | |
329 | Name, | |
330 | FormSet->DriverHandle | |
331 | ); | |
332 | } | |
333 | ||
334 | if (EFI_ERROR (Status)) { | |
335 | return Status; | |
336 | } | |
337 | ||
338 | Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr); | |
339 | Storage->SpareStrLen = 0; | |
340 | ||
341 | return EFI_SUCCESS; | |
342 | } | |
343 | ||
344 | ||
345 | /** | |
346 | Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label> | |
347 | ||
348 | @param FormSet Pointer of the current FormSet. | |
349 | @param Question The Question to be initialized. | |
350 | ||
351 | @retval EFI_SUCCESS Function success. | |
352 | @retval EFI_INVALID_PARAMETER No storage associated with the Question. | |
353 | ||
354 | **/ | |
355 | EFI_STATUS | |
356 | InitializeRequestElement ( | |
357 | IN OUT FORM_BROWSER_FORMSET *FormSet, | |
358 | IN OUT FORM_BROWSER_STATEMENT *Question | |
359 | ) | |
360 | { | |
361 | FORMSET_STORAGE *Storage; | |
362 | UINTN StrLen; | |
363 | UINTN StringSize; | |
364 | CHAR16 *NewStr; | |
365 | CHAR16 RequestElement[30]; | |
366 | ||
367 | Storage = Question->Storage; | |
368 | if (Storage == NULL) { | |
369 | return EFI_INVALID_PARAMETER; | |
370 | } | |
371 | ||
372 | if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) { | |
373 | // | |
374 | // <ConfigRequest> is unnecessary for EFI variable storage, | |
375 | // GetVariable()/SetVariable() will be used to retrieve/save values | |
376 | // | |
377 | return EFI_SUCCESS; | |
378 | } | |
379 | ||
380 | // | |
381 | // Prepare <RequestElement> | |
382 | // | |
383 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) { | |
384 | StrLen = UnicodeSPrint ( | |
385 | RequestElement, | |
386 | 30 * sizeof (CHAR16), | |
387 | L"&OFFSET=%x&WIDTH=%x", | |
388 | Question->VarStoreInfo.VarOffset, | |
389 | Question->StorageWidth | |
390 | ); | |
391 | Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement); | |
392 | } else { | |
393 | StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName); | |
394 | } | |
395 | ||
7936fb6a | 396 | if ((Question->Operand == EFI_IFR_PASSWORD_OP) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK)) { |
93e3992d | 397 | // |
398 | // Password with CALLBACK flag is stored in encoded format, | |
c56f5124 | 399 | // so don't need to append it to <ConfigRequest> |
93e3992d | 400 | // |
401 | return EFI_SUCCESS; | |
402 | } | |
403 | ||
404 | // | |
405 | // Append <RequestElement> to <ConfigRequest> | |
406 | // | |
407 | if (StrLen > Storage->SpareStrLen) { | |
408 | // | |
409 | // Old String buffer is not sufficient for RequestElement, allocate a new one | |
410 | // | |
c7b616cf | 411 | StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16); |
93e3992d | 412 | NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16)); |
413 | if (Storage->ConfigRequest != NULL) { | |
414 | CopyMem (NewStr, Storage->ConfigRequest, StringSize); | |
415 | gBS->FreePool (Storage->ConfigRequest); | |
416 | } | |
417 | Storage->ConfigRequest = NewStr; | |
418 | Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL; | |
419 | } | |
420 | ||
421 | StrCat (Storage->ConfigRequest, RequestElement); | |
422 | Storage->ElementCount++; | |
423 | Storage->SpareStrLen -= StrLen; | |
424 | ||
425 | return EFI_SUCCESS; | |
426 | } | |
427 | ||
428 | ||
429 | /** | |
7936fb6a | 430 | Free resources of a Expression. |
93e3992d | 431 | |
432 | @param FormSet Pointer of the Expression | |
433 | ||
93e3992d | 434 | **/ |
435 | VOID | |
436 | DestroyExpression ( | |
437 | IN FORM_EXPRESSION *Expression | |
438 | ) | |
439 | { | |
440 | LIST_ENTRY *Link; | |
441 | EXPRESSION_OPCODE *OpCode; | |
442 | ||
443 | while (!IsListEmpty (&Expression->OpCodeListHead)) { | |
444 | Link = GetFirstNode (&Expression->OpCodeListHead); | |
445 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link); | |
446 | RemoveEntryList (&OpCode->Link); | |
447 | ||
448 | SafeFreePool (OpCode->ValueList); | |
449 | } | |
450 | ||
451 | // | |
452 | // Free this Expression | |
453 | // | |
454 | gBS->FreePool (Expression); | |
455 | } | |
456 | ||
457 | ||
458 | /** | |
7936fb6a | 459 | Free resources of a storage. |
93e3992d | 460 | |
461 | @param Storage Pointer of the storage | |
462 | ||
93e3992d | 463 | **/ |
464 | VOID | |
465 | DestroyStorage ( | |
466 | IN FORMSET_STORAGE *Storage | |
467 | ) | |
468 | { | |
469 | LIST_ENTRY *Link; | |
470 | NAME_VALUE_NODE *NameValueNode; | |
471 | ||
472 | if (Storage == NULL) { | |
473 | return; | |
474 | } | |
475 | ||
476 | SafeFreePool (Storage->Name); | |
477 | SafeFreePool (Storage->Buffer); | |
478 | SafeFreePool (Storage->EditBuffer); | |
479 | ||
480 | while (!IsListEmpty (&Storage->NameValueListHead)) { | |
481 | Link = GetFirstNode (&Storage->NameValueListHead); | |
482 | NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link); | |
483 | RemoveEntryList (&NameValueNode->Link); | |
484 | ||
485 | SafeFreePool (NameValueNode->Name); | |
486 | SafeFreePool (NameValueNode->Value); | |
487 | SafeFreePool (NameValueNode->EditValue); | |
488 | SafeFreePool (NameValueNode); | |
489 | } | |
490 | ||
491 | SafeFreePool (Storage->ConfigHdr); | |
492 | SafeFreePool (Storage->ConfigRequest); | |
493 | ||
494 | gBS->FreePool (Storage); | |
495 | } | |
496 | ||
497 | ||
498 | /** | |
7936fb6a | 499 | Free resources of a Statement. |
93e3992d | 500 | |
501 | @param Statement Pointer of the Statement | |
502 | ||
93e3992d | 503 | **/ |
504 | VOID | |
505 | DestroyStatement ( | |
506 | IN OUT FORM_BROWSER_STATEMENT *Statement | |
507 | ) | |
508 | { | |
509 | LIST_ENTRY *Link; | |
510 | QUESTION_DEFAULT *Default; | |
511 | QUESTION_OPTION *Option; | |
512 | FORM_EXPRESSION *Expression; | |
513 | ||
514 | // | |
515 | // Free Default value List | |
516 | // | |
517 | while (!IsListEmpty (&Statement->DefaultListHead)) { | |
518 | Link = GetFirstNode (&Statement->DefaultListHead); | |
519 | Default = QUESTION_DEFAULT_FROM_LINK (Link); | |
520 | RemoveEntryList (&Default->Link); | |
521 | ||
522 | gBS->FreePool (Default); | |
523 | } | |
524 | ||
525 | // | |
526 | // Free Options List | |
527 | // | |
528 | while (!IsListEmpty (&Statement->OptionListHead)) { | |
529 | Link = GetFirstNode (&Statement->OptionListHead); | |
530 | Option = QUESTION_OPTION_FROM_LINK (Link); | |
531 | RemoveEntryList (&Option->Link); | |
532 | ||
533 | gBS->FreePool (Option); | |
534 | } | |
535 | ||
536 | // | |
537 | // Free Inconsistent List | |
538 | // | |
539 | while (!IsListEmpty (&Statement->InconsistentListHead)) { | |
540 | Link = GetFirstNode (&Statement->InconsistentListHead); | |
541 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
542 | RemoveEntryList (&Expression->Link); | |
543 | ||
544 | DestroyExpression (Expression); | |
545 | } | |
546 | ||
547 | // | |
548 | // Free NoSubmit List | |
549 | // | |
550 | while (!IsListEmpty (&Statement->NoSubmitListHead)) { | |
551 | Link = GetFirstNode (&Statement->NoSubmitListHead); | |
552 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
553 | RemoveEntryList (&Expression->Link); | |
554 | ||
555 | DestroyExpression (Expression); | |
556 | } | |
557 | ||
558 | SafeFreePool (Statement->VariableName); | |
559 | SafeFreePool (Statement->BlockName); | |
560 | } | |
561 | ||
562 | ||
563 | /** | |
7936fb6a | 564 | Free resources of a Form. |
93e3992d | 565 | |
7936fb6a | 566 | @param Form Pointer of the Form. |
93e3992d | 567 | |
568 | **/ | |
569 | VOID | |
570 | DestroyForm ( | |
571 | IN OUT FORM_BROWSER_FORM *Form | |
572 | ) | |
573 | { | |
574 | LIST_ENTRY *Link; | |
575 | FORM_EXPRESSION *Expression; | |
576 | FORM_BROWSER_STATEMENT *Statement; | |
577 | ||
578 | // | |
579 | // Free Form Expressions | |
580 | // | |
581 | while (!IsListEmpty (&Form->ExpressionListHead)) { | |
582 | Link = GetFirstNode (&Form->ExpressionListHead); | |
583 | Expression = FORM_EXPRESSION_FROM_LINK (Link); | |
584 | RemoveEntryList (&Expression->Link); | |
585 | ||
586 | DestroyExpression (Expression); | |
587 | } | |
588 | ||
589 | // | |
590 | // Free Statements/Questions | |
591 | // | |
592 | while (!IsListEmpty (&Form->StatementListHead)) { | |
593 | Link = GetFirstNode (&Form->StatementListHead); | |
594 | Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link); | |
595 | RemoveEntryList (&Statement->Link); | |
596 | ||
597 | DestroyStatement (Statement); | |
598 | } | |
599 | ||
600 | // | |
601 | // Free this Form | |
602 | // | |
603 | gBS->FreePool (Form); | |
604 | } | |
605 | ||
606 | ||
607 | /** | |
7936fb6a | 608 | Free resources allocated for a FormSet. |
93e3992d | 609 | |
610 | @param FormSet Pointer of the FormSet | |
611 | ||
93e3992d | 612 | **/ |
613 | VOID | |
614 | DestroyFormSet ( | |
615 | IN OUT FORM_BROWSER_FORMSET *FormSet | |
616 | ) | |
617 | { | |
618 | LIST_ENTRY *Link; | |
619 | FORMSET_STORAGE *Storage; | |
620 | FORMSET_DEFAULTSTORE *DefaultStore; | |
621 | FORM_BROWSER_FORM *Form; | |
622 | ||
623 | // | |
624 | // Free IFR binary buffer | |
625 | // | |
626 | SafeFreePool (FormSet->IfrBinaryData); | |
627 | ||
628 | // | |
629 | // Free FormSet Storage | |
630 | // | |
631 | if (FormSet->StorageListHead.ForwardLink != NULL) { | |
632 | while (!IsListEmpty (&FormSet->StorageListHead)) { | |
633 | Link = GetFirstNode (&FormSet->StorageListHead); | |
634 | Storage = FORMSET_STORAGE_FROM_LINK (Link); | |
635 | RemoveEntryList (&Storage->Link); | |
636 | ||
637 | DestroyStorage (Storage); | |
638 | } | |
639 | } | |
640 | ||
641 | // | |
642 | // Free FormSet Default Store | |
643 | // | |
644 | if (FormSet->DefaultStoreListHead.ForwardLink != NULL) { | |
645 | while (!IsListEmpty (&FormSet->DefaultStoreListHead)) { | |
646 | Link = GetFirstNode (&FormSet->DefaultStoreListHead); | |
647 | DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link); | |
648 | RemoveEntryList (&DefaultStore->Link); | |
649 | ||
650 | gBS->FreePool (DefaultStore); | |
651 | } | |
652 | } | |
653 | ||
654 | // | |
655 | // Free Forms | |
656 | // | |
657 | if (FormSet->FormListHead.ForwardLink != NULL) { | |
658 | while (!IsListEmpty (&FormSet->FormListHead)) { | |
659 | Link = GetFirstNode (&FormSet->FormListHead); | |
660 | Form = FORM_BROWSER_FORM_FROM_LINK (Link); | |
661 | RemoveEntryList (&Form->Link); | |
662 | ||
663 | DestroyForm (Form); | |
664 | } | |
665 | } | |
666 | ||
667 | SafeFreePool (FormSet->StatementBuffer); | |
668 | SafeFreePool (FormSet->ExpressionBuffer); | |
669 | ||
670 | SafeFreePool (FormSet); | |
671 | } | |
672 | ||
673 | ||
674 | /** | |
675 | Tell whether this Operand is an Expression OpCode or not | |
676 | ||
677 | @param Operand Operand of an IFR OpCode. | |
678 | ||
679 | @retval TRUE This is an Expression OpCode. | |
680 | @retval FALSE Not an Expression OpCode. | |
681 | ||
682 | **/ | |
683 | BOOLEAN | |
684 | IsExpressionOpCode ( | |
685 | IN UINT8 Operand | |
686 | ) | |
687 | { | |
688 | if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) || | |
689 | ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) || | |
ebe43565 | 690 | (Operand == EFI_IFR_CATENATE_OP) || |
691 | (Operand == EFI_IFR_TO_LOWER_OP) || | |
692 | (Operand == EFI_IFR_TO_UPPER_OP) || | |
693 | (Operand == EFI_IFR_VERSION_OP) | |
93e3992d | 694 | ) { |
695 | return TRUE; | |
696 | } else { | |
697 | return FALSE; | |
698 | } | |
699 | } | |
700 | ||
701 | ||
702 | /** | |
703 | Calculate number of Statemens(Questions) and Expression OpCodes. | |
704 | ||
705 | @param FormSet The FormSet to be counted. | |
706 | @param NumberOfStatement Number of Statemens(Questions) | |
707 | @param NumberOfExpression Number of Expression OpCodes | |
708 | ||
93e3992d | 709 | **/ |
710 | VOID | |
711 | CountOpCodes ( | |
712 | IN FORM_BROWSER_FORMSET *FormSet, | |
713 | IN OUT UINT16 *NumberOfStatement, | |
714 | IN OUT UINT16 *NumberOfExpression | |
715 | ) | |
716 | { | |
717 | UINT16 StatementCount; | |
718 | UINT16 ExpressionCount; | |
719 | UINT8 *OpCodeData; | |
720 | UINTN Offset; | |
721 | UINTN OpCodeLen; | |
722 | ||
723 | Offset = 0; | |
724 | StatementCount = 0; | |
725 | ExpressionCount = 0; | |
726 | ||
727 | while (Offset < FormSet->IfrBinaryLength) { | |
728 | OpCodeData = FormSet->IfrBinaryData + Offset; | |
729 | OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
730 | Offset += OpCodeLen; | |
731 | ||
732 | if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) { | |
733 | ExpressionCount++; | |
734 | } else { | |
735 | StatementCount++; | |
736 | } | |
737 | } | |
738 | ||
739 | *NumberOfStatement = StatementCount; | |
740 | *NumberOfExpression = ExpressionCount; | |
741 | } | |
742 | ||
743 | ||
f511d656 | 744 | |
93e3992d | 745 | /** |
746 | Parse opcodes in the formset IFR binary. | |
747 | ||
748 | @param FormSet Pointer of the FormSet data structure. | |
749 | ||
750 | @retval EFI_SUCCESS Opcode parse success. | |
751 | @retval Other Opcode parse fail. | |
752 | ||
753 | **/ | |
754 | EFI_STATUS | |
755 | ParseOpCodes ( | |
756 | IN FORM_BROWSER_FORMSET *FormSet | |
757 | ) | |
758 | { | |
759 | EFI_STATUS Status; | |
760 | UINT16 Index; | |
761 | FORM_BROWSER_FORM *CurrentForm; | |
762 | FORM_BROWSER_STATEMENT *CurrentStatement; | |
763 | EXPRESSION_OPCODE *ExpressionOpCode; | |
764 | FORM_EXPRESSION *CurrentExpression; | |
765 | UINT8 Operand; | |
766 | UINT8 Scope; | |
767 | UINTN OpCodeOffset; | |
768 | UINTN OpCodeLength; | |
769 | UINT8 *OpCodeData; | |
770 | UINT8 ScopeOpCode; | |
771 | FORMSET_STORAGE *Storage; | |
772 | FORMSET_DEFAULTSTORE *DefaultStore; | |
773 | QUESTION_DEFAULT *CurrentDefault; | |
774 | QUESTION_OPTION *CurrentOption; | |
775 | CHAR8 *AsciiString; | |
776 | UINT16 NumberOfStatement; | |
777 | UINT16 NumberOfExpression; | |
778 | EFI_IMAGE_ID *ImageId; | |
779 | BOOLEAN SuppressForOption; | |
780 | BOOLEAN InScopeOptionSuppress; | |
781 | FORM_EXPRESSION *OptionSuppressExpression; | |
782 | BOOLEAN InScopeDisable; | |
783 | UINT16 DepthOfDisable; | |
784 | BOOLEAN OpCodeDisabled; | |
785 | BOOLEAN SingleOpCodeExpression; | |
786 | BOOLEAN InScopeDefault; | |
787 | EFI_HII_VALUE *Value; | |
788 | ||
789 | mInScopeSubtitle = FALSE; | |
790 | SuppressForOption = FALSE; | |
791 | mInScopeSuppress = FALSE; | |
792 | InScopeOptionSuppress = FALSE; | |
793 | mInScopeGrayOut = FALSE; | |
794 | InScopeDisable = FALSE; | |
795 | DepthOfDisable = 0; | |
796 | OpCodeDisabled = FALSE; | |
797 | SingleOpCodeExpression = FALSE; | |
798 | InScopeDefault = FALSE; | |
799 | CurrentExpression = NULL; | |
800 | CurrentDefault = NULL; | |
801 | CurrentOption = NULL; | |
802 | OptionSuppressExpression = NULL; | |
803 | ||
804 | // | |
805 | // Get the number of Statements and Expressions | |
806 | // | |
807 | CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression); | |
808 | ||
809 | mStatementIndex = 0; | |
810 | FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT)); | |
811 | if (FormSet->StatementBuffer == NULL) { | |
812 | return EFI_OUT_OF_RESOURCES; | |
813 | } | |
814 | ||
815 | mExpressionOpCodeIndex = 0; | |
816 | FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE)); | |
817 | if (FormSet->ExpressionBuffer == NULL) { | |
818 | return EFI_OUT_OF_RESOURCES; | |
819 | } | |
820 | ||
821 | InitializeListHead (&FormSet->StorageListHead); | |
822 | InitializeListHead (&FormSet->DefaultStoreListHead); | |
823 | InitializeListHead (&FormSet->FormListHead); | |
824 | ||
825 | CurrentForm = NULL; | |
826 | CurrentStatement = NULL; | |
827 | ||
828 | ResetScopeStack (); | |
829 | ||
830 | OpCodeOffset = 0; | |
831 | while (OpCodeOffset < FormSet->IfrBinaryLength) { | |
832 | OpCodeData = FormSet->IfrBinaryData + OpCodeOffset; | |
833 | ||
834 | OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; | |
835 | OpCodeOffset += OpCodeLength; | |
836 | Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; | |
837 | Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope; | |
838 | ||
839 | // | |
840 | // If scope bit set, push onto scope stack | |
841 | // | |
7936fb6a | 842 | if (Scope != 0) { |
93e3992d | 843 | PushScope (Operand); |
844 | } | |
845 | ||
846 | if (OpCodeDisabled) { | |
847 | // | |
848 | // DisableIf Expression is evaluated to be TRUE, try to find its end. | |
849 | // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END | |
850 | // | |
851 | if (Operand == EFI_IFR_DISABLE_IF_OP) { | |
852 | DepthOfDisable++; | |
853 | } else if (Operand == EFI_IFR_END_OP) { | |
854 | Status = PopScope (&ScopeOpCode); | |
855 | if (EFI_ERROR (Status)) { | |
856 | return Status; | |
857 | } | |
858 | ||
859 | if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) { | |
860 | if (DepthOfDisable == 0) { | |
861 | InScopeDisable = FALSE; | |
862 | OpCodeDisabled = FALSE; | |
863 | } else { | |
864 | DepthOfDisable--; | |
865 | } | |
866 | } | |
867 | } | |
868 | continue; | |
869 | } | |
870 | ||
871 | if (IsExpressionOpCode (Operand)) { | |
872 | ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex]; | |
873 | mExpressionOpCodeIndex++; | |
874 | ||
875 | ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE; | |
876 | ExpressionOpCode->Operand = Operand; | |
877 | Value = &ExpressionOpCode->Value; | |
878 | ||
879 | switch (Operand) { | |
880 | case EFI_IFR_EQ_ID_VAL_OP: | |
881 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
882 | ||
883 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
884 | CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16)); | |
885 | break; | |
886 | ||
887 | case EFI_IFR_EQ_ID_ID_OP: | |
888 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID)); | |
889 | CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID)); | |
890 | break; | |
891 | ||
892 | case EFI_IFR_EQ_ID_LIST_OP: | |
893 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
894 | CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16)); | |
895 | ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList); | |
896 | break; | |
897 | ||
898 | case EFI_IFR_TO_STRING_OP: | |
899 | case EFI_IFR_FIND_OP: | |
900 | ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format; | |
901 | break; | |
902 | ||
903 | case EFI_IFR_STRING_REF1_OP: | |
904 | Value->Type = EFI_IFR_TYPE_STRING; | |
905 | CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID)); | |
906 | break; | |
907 | ||
908 | case EFI_IFR_RULE_REF_OP: | |
909 | ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId; | |
910 | break; | |
911 | ||
912 | case EFI_IFR_SPAN_OP: | |
913 | ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags; | |
914 | break; | |
915 | ||
916 | case EFI_IFR_THIS_OP: | |
917 | ExpressionOpCode->QuestionId = CurrentStatement->QuestionId; | |
918 | break; | |
919 | ||
920 | case EFI_IFR_QUESTION_REF1_OP: | |
921 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
922 | break; | |
923 | ||
924 | case EFI_IFR_QUESTION_REF3_OP: | |
925 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) { | |
926 | CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); | |
927 | ||
928 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) { | |
929 | CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
930 | } | |
931 | } | |
932 | break; | |
933 | ||
934 | // | |
935 | // constant | |
936 | // | |
937 | case EFI_IFR_TRUE_OP: | |
938 | Value->Type = EFI_IFR_TYPE_BOOLEAN; | |
939 | Value->Value.b = TRUE; | |
940 | break; | |
941 | ||
942 | case EFI_IFR_FALSE_OP: | |
943 | Value->Type = EFI_IFR_TYPE_BOOLEAN; | |
944 | Value->Value.b = FALSE; | |
945 | break; | |
946 | ||
947 | case EFI_IFR_ONE_OP: | |
948 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
949 | Value->Value.u8 = 1; | |
950 | break; | |
951 | ||
952 | case EFI_IFR_ZERO_OP: | |
953 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
954 | Value->Value.u8 = 0; | |
955 | break; | |
956 | ||
957 | case EFI_IFR_ONES_OP: | |
958 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
ee17f9c1 | 959 | Value->Value.u64 = 0xffffffffffffffffULL; |
93e3992d | 960 | break; |
961 | ||
962 | case EFI_IFR_UINT8_OP: | |
963 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
964 | Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value; | |
965 | break; | |
966 | ||
967 | case EFI_IFR_UINT16_OP: | |
968 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
969 | CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16)); | |
970 | break; | |
971 | ||
972 | case EFI_IFR_UINT32_OP: | |
973 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; | |
974 | CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32)); | |
975 | break; | |
976 | ||
977 | case EFI_IFR_UINT64_OP: | |
978 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
979 | CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64)); | |
980 | break; | |
981 | ||
982 | case EFI_IFR_UNDEFINED_OP: | |
983 | Value->Type = EFI_IFR_TYPE_OTHER; | |
984 | break; | |
985 | ||
986 | case EFI_IFR_VERSION_OP: | |
987 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
988 | Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION; | |
989 | break; | |
990 | ||
991 | default: | |
992 | break; | |
993 | } | |
994 | ||
995 | InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link); | |
996 | ||
997 | if (SingleOpCodeExpression) { | |
998 | // | |
999 | // There are two cases to indicate the end of an Expression: | |
1000 | // for single OpCode expression: one Expression OpCode | |
1001 | // for expression consists of more than one OpCode: EFI_IFR_END | |
1002 | // | |
1003 | SingleOpCodeExpression = FALSE; | |
1004 | ||
1005 | if (InScopeDisable) { | |
1006 | // | |
1007 | // Evaluate DisableIf expression | |
1008 | // | |
1009 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); | |
1010 | if (EFI_ERROR (Status)) { | |
1011 | return Status; | |
1012 | } | |
1013 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { | |
1014 | return EFI_INVALID_PARAMETER; | |
1015 | } | |
1016 | ||
1017 | OpCodeDisabled = CurrentExpression->Result.Value.b; | |
1018 | } | |
1019 | ||
1020 | CurrentExpression = NULL; | |
1021 | } | |
1022 | ||
1023 | continue; | |
1024 | } | |
1025 | ||
1026 | // | |
1027 | // Parse the Opcode | |
1028 | // | |
1029 | switch (Operand) { | |
1030 | ||
1031 | case EFI_IFR_FORM_SET_OP: | |
1032 | // | |
1033 | // check the formset GUID | |
1034 | // | |
1035 | if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) { | |
1036 | return EFI_INVALID_PARAMETER; | |
1037 | } | |
1038 | ||
1039 | CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID)); | |
1040 | CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID)); | |
1041 | break; | |
1042 | ||
1043 | case EFI_IFR_FORM_OP: | |
1044 | // | |
1045 | // Create a new Form for this FormSet | |
1046 | // | |
1047 | CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM)); | |
1048 | CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE; | |
1049 | InitializeListHead (&CurrentForm->ExpressionListHead); | |
1050 | InitializeListHead (&CurrentForm->StatementListHead); | |
1051 | ||
1052 | CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16)); | |
1053 | CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID)); | |
1054 | ||
1055 | // | |
1056 | // Insert into Form list of this FormSet | |
1057 | // | |
1058 | InsertTailList (&FormSet->FormListHead, &CurrentForm->Link); | |
1059 | break; | |
1060 | ||
1061 | // | |
1062 | // Storage | |
1063 | // | |
1064 | case EFI_IFR_VARSTORE_OP: | |
1065 | // | |
1066 | // Create a buffer Storage for this FormSet | |
1067 | // | |
1068 | Storage = CreateStorage (FormSet); | |
1069 | Storage->Type = EFI_HII_VARSTORE_BUFFER; | |
1070 | ||
1071 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1072 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1073 | CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16)); | |
1074 | ||
1075 | Storage->Buffer = AllocateZeroPool (Storage->Size); | |
1076 | Storage->EditBuffer = AllocateZeroPool (Storage->Size); | |
1077 | ||
1078 | AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name; | |
1079 | Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2); | |
1080 | ASSERT (Storage->Name != NULL); | |
1081 | for (Index = 0; AsciiString[Index] != 0; Index++) { | |
1082 | Storage->Name[Index] = (CHAR16) AsciiString[Index]; | |
1083 | } | |
1084 | ||
1085 | // | |
1086 | // Initialize <ConfigHdr> | |
1087 | // | |
1088 | InitializeConfigHdr (FormSet, Storage); | |
1089 | break; | |
1090 | ||
1091 | case EFI_IFR_VARSTORE_NAME_VALUE_OP: | |
1092 | // | |
1093 | // Create a name/value Storage for this FormSet | |
1094 | // | |
1095 | Storage = CreateStorage (FormSet); | |
1096 | Storage->Type = EFI_HII_VARSTORE_NAME_VALUE; | |
1097 | ||
1098 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1099 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1100 | ||
1101 | // | |
1102 | // Initialize <ConfigHdr> | |
1103 | // | |
1104 | InitializeConfigHdr (FormSet, Storage); | |
1105 | break; | |
1106 | ||
1107 | case EFI_IFR_VARSTORE_EFI_OP: | |
1108 | // | |
1109 | // Create a EFI variable Storage for this FormSet | |
1110 | // | |
1111 | Storage = CreateStorage (FormSet); | |
1112 | Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE; | |
1113 | ||
1114 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID)); | |
1115 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID)); | |
1116 | CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32)); | |
1117 | break; | |
1118 | ||
1119 | // | |
1120 | // DefaultStore | |
1121 | // | |
1122 | case EFI_IFR_DEFAULTSTORE_OP: | |
1123 | DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE)); | |
1124 | DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE; | |
1125 | ||
1126 | CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16)); | |
1127 | CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID)); | |
1128 | ||
1129 | // | |
1130 | // Insert to DefaultStore list of this Formset | |
1131 | // | |
1132 | InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link); | |
1133 | break; | |
1134 | ||
1135 | // | |
1136 | // Statements | |
1137 | // | |
1138 | case EFI_IFR_SUBTITLE_OP: | |
1139 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); | |
1140 | CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags; | |
1141 | ||
7936fb6a | 1142 | if (Scope != 0) { |
93e3992d | 1143 | mInScopeSubtitle = TRUE; |
1144 | } | |
1145 | break; | |
1146 | ||
1147 | case EFI_IFR_TEXT_OP: | |
1148 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm); | |
1149 | ||
1150 | CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID)); | |
1151 | break; | |
1152 | ||
1153 | // | |
1154 | // Questions | |
1155 | // | |
1156 | case EFI_IFR_ACTION_OP: | |
1157 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1158 | ||
1159 | if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) { | |
1160 | // | |
1161 | // No QuestionConfig present, so no configuration string will be processed | |
1162 | // | |
1163 | CurrentStatement->QuestionConfig = 0; | |
1164 | } else { | |
1165 | CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID)); | |
1166 | } | |
1167 | break; | |
1168 | ||
1169 | case EFI_IFR_RESET_BUTTON_OP: | |
1170 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1171 | ||
1172 | CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID)); | |
1173 | break; | |
1174 | ||
1175 | case EFI_IFR_REF_OP: | |
1176 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1177 | ||
1178 | CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID)); | |
1179 | if (OpCodeLength >= sizeof (EFI_IFR_REF2)) { | |
1180 | CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID)); | |
1181 | ||
1182 | if (OpCodeLength >= sizeof (EFI_IFR_REF3)) { | |
1183 | CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID)); | |
1184 | ||
1185 | if (OpCodeLength >= sizeof (EFI_IFR_REF4)) { | |
1186 | CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID)); | |
1187 | } | |
1188 | } | |
1189 | } | |
1190 | break; | |
1191 | ||
1192 | case EFI_IFR_ONE_OF_OP: | |
1193 | case EFI_IFR_NUMERIC_OP: | |
1194 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1195 | ||
1196 | CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags; | |
1197 | Value = &CurrentStatement->HiiValue; | |
1198 | ||
1199 | switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) { | |
1200 | case EFI_IFR_NUMERIC_SIZE_1: | |
1201 | CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue; | |
1202 | CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue; | |
1203 | CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step; | |
1204 | CurrentStatement->StorageWidth = sizeof (UINT8); | |
1205 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8; | |
1206 | break; | |
1207 | ||
1208 | case EFI_IFR_NUMERIC_SIZE_2: | |
1209 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16)); | |
1210 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16)); | |
1211 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16)); | |
1212 | CurrentStatement->StorageWidth = sizeof (UINT16); | |
1213 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16; | |
1214 | break; | |
1215 | ||
1216 | case EFI_IFR_NUMERIC_SIZE_4: | |
1217 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32)); | |
1218 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32)); | |
1219 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32)); | |
1220 | CurrentStatement->StorageWidth = sizeof (UINT32); | |
1221 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32; | |
1222 | break; | |
1223 | ||
1224 | case EFI_IFR_NUMERIC_SIZE_8: | |
1225 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64)); | |
1226 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64)); | |
1227 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64)); | |
1228 | CurrentStatement->StorageWidth = sizeof (UINT64); | |
1229 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64; | |
1230 | break; | |
1231 | ||
1232 | default: | |
1233 | break; | |
1234 | } | |
1235 | ||
1236 | InitializeRequestElement (FormSet, CurrentStatement); | |
1237 | ||
7936fb6a | 1238 | if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) { |
93e3992d | 1239 | SuppressForOption = TRUE; |
1240 | } | |
1241 | break; | |
1242 | ||
1243 | case EFI_IFR_ORDERED_LIST_OP: | |
1244 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1245 | ||
1246 | CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags; | |
1247 | CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers; | |
1248 | CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8)); | |
1249 | InitializeRequestElement (FormSet, CurrentStatement); | |
1250 | ||
1251 | // | |
1252 | // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver | |
1253 | // has to use FormBrowser2.Callback() to retrieve the uncommited data for | |
1254 | // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set). | |
1255 | // | |
1256 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER; | |
1257 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth); | |
1258 | ||
7936fb6a | 1259 | if (Scope != 0) { |
93e3992d | 1260 | SuppressForOption = TRUE; |
1261 | } | |
1262 | break; | |
1263 | ||
1264 | case EFI_IFR_CHECKBOX_OP: | |
1265 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1266 | ||
1267 | CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags; | |
1268 | CurrentStatement->StorageWidth = sizeof (BOOLEAN); | |
1269 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN; | |
1270 | ||
1271 | InitializeRequestElement (FormSet, CurrentStatement); | |
f511d656 | 1272 | |
93e3992d | 1273 | break; |
1274 | ||
1275 | case EFI_IFR_STRING_OP: | |
1276 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1277 | ||
1278 | // | |
1279 | // MinSize is the minimum number of characters that can be accepted for this opcode, | |
1280 | // MaxSize is the maximum number of characters that can be accepted for this opcode. | |
1281 | // The characters are stored as Unicode, so the storage width should multiply 2. | |
1282 | // | |
1283 | CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize; | |
1284 | CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize; | |
813acf3a | 1285 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16)); |
93e3992d | 1286 | CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags; |
1287 | ||
1288 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; | |
813acf3a | 1289 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16)); |
93e3992d | 1290 | |
1291 | InitializeRequestElement (FormSet, CurrentStatement); | |
1292 | break; | |
1293 | ||
1294 | case EFI_IFR_PASSWORD_OP: | |
1295 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1296 | ||
1297 | // | |
1298 | // MinSize is the minimum number of characters that can be accepted for this opcode, | |
1299 | // MaxSize is the maximum number of characters that can be accepted for this opcode. | |
1300 | // The characters are stored as Unicode, so the storage width should multiply 2. | |
1301 | // | |
1302 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16)); | |
1303 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16)); | |
813acf3a | 1304 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16)); |
93e3992d | 1305 | |
1306 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING; | |
813acf3a | 1307 | CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16))); |
93e3992d | 1308 | |
1309 | InitializeRequestElement (FormSet, CurrentStatement); | |
1310 | break; | |
1311 | ||
1312 | case EFI_IFR_DATE_OP: | |
1313 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1314 | ||
1315 | CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags; | |
1316 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE; | |
1317 | ||
1318 | if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) { | |
1319 | CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE); | |
1320 | ||
1321 | InitializeRequestElement (FormSet, CurrentStatement); | |
1322 | } else { | |
1323 | // | |
1324 | // Don't assign storage for RTC type of date/time | |
1325 | // | |
1326 | CurrentStatement->Storage = NULL; | |
1327 | CurrentStatement->StorageWidth = 0; | |
1328 | } | |
1329 | break; | |
1330 | ||
1331 | case EFI_IFR_TIME_OP: | |
1332 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm); | |
1333 | ||
1334 | CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags; | |
1335 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME; | |
1336 | ||
1337 | if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) { | |
1338 | CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME); | |
1339 | ||
1340 | InitializeRequestElement (FormSet, CurrentStatement); | |
1341 | } else { | |
1342 | // | |
1343 | // Don't assign storage for RTC type of date/time | |
1344 | // | |
1345 | CurrentStatement->Storage = NULL; | |
1346 | CurrentStatement->StorageWidth = 0; | |
1347 | } | |
1348 | break; | |
1349 | ||
1350 | // | |
1351 | // Default | |
1352 | // | |
1353 | case EFI_IFR_DEFAULT_OP: | |
1354 | // | |
1355 | // EFI_IFR_DEFAULT appear in scope of a Question, | |
1356 | // It creates a default value for the current question. | |
1357 | // A Question may have more than one Default value which have different default types. | |
1358 | // | |
1359 | CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT)); | |
1360 | CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE; | |
1361 | ||
1362 | CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type; | |
1363 | CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16)); | |
1364 | CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); | |
1365 | ExtendValueToU64 (&CurrentDefault->Value); | |
1366 | ||
1367 | // | |
1368 | // Insert to Default Value list of current Question | |
1369 | // | |
1370 | InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link); | |
1371 | ||
7936fb6a | 1372 | if (Scope != 0) { |
93e3992d | 1373 | InScopeDefault = TRUE; |
1374 | } | |
1375 | break; | |
1376 | ||
1377 | // | |
1378 | // Option | |
1379 | // | |
1380 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1381 | // | |
1382 | // EFI_IFR_ONE_OF_OPTION appear in scope of a Question. | |
1383 | // It create a selection for use in current Question. | |
1384 | // | |
1385 | CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION)); | |
1386 | CurrentOption->Signature = QUESTION_OPTION_SIGNATURE; | |
1387 | ||
1388 | CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags; | |
1389 | CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type; | |
1390 | CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID)); | |
1391 | CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE)); | |
1392 | ExtendValueToU64 (&CurrentOption->Value); | |
1393 | ||
1394 | if (InScopeOptionSuppress) { | |
1395 | CurrentOption->SuppressExpression = OptionSuppressExpression; | |
1396 | } | |
1397 | ||
1398 | // | |
1399 | // Insert to Option list of current Question | |
1400 | // | |
1401 | InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link); | |
1402 | break; | |
1403 | ||
1404 | // | |
1405 | // Conditional | |
1406 | // | |
1407 | case EFI_IFR_NO_SUBMIT_IF_OP: | |
1408 | case EFI_IFR_INCONSISTENT_IF_OP: | |
1409 | // | |
1410 | // Create an Expression node | |
1411 | // | |
1412 | CurrentExpression = CreateExpression (CurrentForm); | |
1413 | CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID)); | |
1414 | ||
1415 | if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) { | |
1416 | CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF; | |
1417 | InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link); | |
1418 | } else { | |
1419 | CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF; | |
1420 | InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link); | |
1421 | } | |
1422 | break; | |
1423 | ||
1424 | case EFI_IFR_SUPPRESS_IF_OP: | |
1425 | // | |
1426 | // Question and Option will appear in scope of this OpCode | |
1427 | // | |
1428 | CurrentExpression = CreateExpression (CurrentForm); | |
1429 | CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF; | |
1430 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1431 | ||
1432 | if (SuppressForOption) { | |
1433 | InScopeOptionSuppress = TRUE; | |
1434 | OptionSuppressExpression = CurrentExpression; | |
1435 | } else { | |
1436 | mInScopeSuppress = TRUE; | |
1437 | mSuppressExpression = CurrentExpression; | |
1438 | } | |
1439 | break; | |
1440 | ||
1441 | case EFI_IFR_GRAY_OUT_IF_OP: | |
1442 | // | |
1443 | // Questions will appear in scope of this OpCode | |
1444 | // | |
1445 | CurrentExpression = CreateExpression (CurrentForm); | |
1446 | CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF; | |
1447 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1448 | ||
1449 | mInScopeGrayOut = TRUE; | |
1450 | mGrayOutExpression = CurrentExpression; | |
1451 | break; | |
1452 | ||
1453 | case EFI_IFR_DISABLE_IF_OP: | |
1454 | // | |
1455 | // The DisableIf expression should only rely on constant, so it could be | |
1456 | // evaluated at initialization and it will not be queued | |
1457 | // | |
1458 | CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION)); | |
1459 | CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE; | |
1460 | CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF; | |
1461 | InitializeListHead (&CurrentExpression->OpCodeListHead); | |
1462 | ||
1463 | InScopeDisable = TRUE; | |
1464 | OpCodeDisabled = FALSE; | |
1465 | ||
1466 | // | |
1467 | // Take a look at next OpCode to see whether current expression consists | |
1468 | // of single OpCode | |
1469 | // | |
1470 | if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) { | |
1471 | SingleOpCodeExpression = TRUE; | |
1472 | } | |
1473 | break; | |
1474 | ||
1475 | // | |
1476 | // Expression | |
1477 | // | |
1478 | case EFI_IFR_VALUE_OP: | |
1479 | CurrentExpression = CreateExpression (CurrentForm); | |
1480 | CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE; | |
1481 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1482 | ||
1483 | if (InScopeDefault) { | |
1484 | // | |
1485 | // Used for default (EFI_IFR_DEFAULT) | |
1486 | // | |
1487 | CurrentDefault->ValueExpression = CurrentExpression; | |
1488 | } else { | |
1489 | // | |
1490 | // If used for a question, then the question will be read-only | |
1491 | // | |
1492 | CurrentStatement->ValueExpression = CurrentExpression; | |
1493 | } | |
1494 | break; | |
1495 | ||
1496 | case EFI_IFR_RULE_OP: | |
1497 | CurrentExpression = CreateExpression (CurrentForm); | |
1498 | CurrentExpression->Type = EFI_HII_EXPRESSION_RULE; | |
1499 | ||
1500 | CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId; | |
1501 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link); | |
1502 | break; | |
1503 | ||
1504 | // | |
1505 | // Image | |
1506 | // | |
1507 | case EFI_IFR_IMAGE_OP: | |
1508 | // | |
1509 | // Get ScopeOpcode from top of stack | |
1510 | // | |
1511 | PopScope (&ScopeOpCode); | |
1512 | PushScope (ScopeOpCode); | |
1513 | ||
1514 | switch (ScopeOpCode) { | |
1515 | case EFI_IFR_FORM_SET_OP: | |
1516 | ImageId = &FormSet->ImageId; | |
1517 | break; | |
1518 | ||
1519 | case EFI_IFR_FORM_OP: | |
1520 | ImageId = &CurrentForm->ImageId; | |
1521 | break; | |
1522 | ||
1523 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1524 | ImageId = &CurrentOption->ImageId; | |
1525 | break; | |
1526 | ||
1527 | default: | |
1528 | ImageId = &CurrentStatement->ImageId; | |
1529 | break; | |
1530 | } | |
1531 | ||
1532 | CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID)); | |
1533 | break; | |
1534 | ||
1535 | // | |
1536 | // Refresh | |
1537 | // | |
1538 | case EFI_IFR_REFRESH_OP: | |
1539 | CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval; | |
1540 | break; | |
1541 | ||
1542 | // | |
1543 | // Vendor specific | |
1544 | // | |
1545 | case EFI_IFR_GUID_OP: | |
1546 | if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) { | |
1547 | // | |
1548 | // Tiano specific GUIDed opcodes | |
1549 | // | |
1550 | switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) { | |
1551 | case EFI_IFR_EXTEND_OP_LABEL: | |
1552 | // | |
1553 | // just ignore label | |
1554 | // | |
1555 | break; | |
1556 | ||
1557 | case EFI_IFR_EXTEND_OP_BANNER: | |
1558 | if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) { | |
1559 | CopyMem ( | |
1560 | &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][ | |
1561 | ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment], | |
1562 | &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title, | |
1563 | sizeof (EFI_STRING_ID) | |
1564 | ); | |
1565 | } | |
1566 | break; | |
1567 | ||
1568 | case EFI_IFR_EXTEND_OP_CLASS: | |
1569 | CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16)); | |
1570 | break; | |
1571 | ||
1572 | case EFI_IFR_EXTEND_OP_SUBCLASS: | |
1573 | CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16)); | |
1574 | break; | |
1575 | ||
1576 | default: | |
1577 | break; | |
1578 | } | |
1579 | } | |
f511d656 | 1580 | |
93e3992d | 1581 | break; |
1582 | ||
1583 | // | |
1584 | // Scope End | |
1585 | // | |
1586 | case EFI_IFR_END_OP: | |
1587 | Status = PopScope (&ScopeOpCode); | |
1588 | if (EFI_ERROR (Status)) { | |
1589 | ResetScopeStack (); | |
1590 | return Status; | |
1591 | } | |
1592 | ||
1593 | switch (ScopeOpCode) { | |
1594 | case EFI_IFR_FORM_SET_OP: | |
1595 | // | |
1596 | // End of FormSet, update FormSet IFR binary length | |
1597 | // to stop parsing substantial OpCodes | |
1598 | // | |
1599 | FormSet->IfrBinaryLength = OpCodeOffset; | |
1600 | break; | |
1601 | ||
1602 | case EFI_IFR_FORM_OP: | |
1603 | // | |
1604 | // End of Form | |
1605 | // | |
1606 | CurrentForm = NULL; | |
1607 | break; | |
1608 | ||
1609 | case EFI_IFR_ONE_OF_OPTION_OP: | |
1610 | // | |
1611 | // End of Option | |
1612 | // | |
1613 | CurrentOption = NULL; | |
1614 | break; | |
1615 | ||
1616 | case EFI_IFR_SUBTITLE_OP: | |
1617 | mInScopeSubtitle = FALSE; | |
1618 | break; | |
1619 | ||
1620 | case EFI_IFR_NO_SUBMIT_IF_OP: | |
1621 | case EFI_IFR_INCONSISTENT_IF_OP: | |
1622 | // | |
1623 | // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF | |
1624 | // | |
1625 | break; | |
1626 | ||
1627 | case EFI_IFR_SUPPRESS_IF_OP: | |
1628 | if (SuppressForOption) { | |
1629 | InScopeOptionSuppress = FALSE; | |
1630 | } else { | |
1631 | mInScopeSuppress = FALSE; | |
1632 | } | |
1633 | break; | |
1634 | ||
1635 | case EFI_IFR_GRAY_OUT_IF_OP: | |
1636 | mInScopeGrayOut = FALSE; | |
1637 | break; | |
1638 | ||
1639 | case EFI_IFR_DISABLE_IF_OP: | |
1640 | InScopeDisable = FALSE; | |
1641 | OpCodeDisabled = FALSE; | |
1642 | break; | |
1643 | ||
1644 | case EFI_IFR_ONE_OF_OP: | |
1645 | case EFI_IFR_ORDERED_LIST_OP: | |
1646 | SuppressForOption = FALSE; | |
1647 | break; | |
1648 | ||
1649 | case EFI_IFR_DEFAULT_OP: | |
1650 | InScopeDefault = FALSE; | |
1651 | break; | |
1652 | ||
1653 | default: | |
1654 | if (IsExpressionOpCode (ScopeOpCode)) { | |
1655 | if (InScopeDisable) { | |
1656 | // | |
1657 | // Evaluate DisableIf expression | |
1658 | // | |
1659 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression); | |
1660 | if (EFI_ERROR (Status)) { | |
1661 | return Status; | |
1662 | } | |
1663 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) { | |
1664 | return EFI_INVALID_PARAMETER; | |
1665 | } | |
1666 | ||
1667 | OpCodeDisabled = CurrentExpression->Result.Value.b; | |
1668 | // | |
1669 | // DisableIf Expression is only used once and not quequed, free it | |
1670 | // | |
1671 | DestroyExpression (CurrentExpression); | |
1672 | } | |
1673 | ||
1674 | // | |
1675 | // End of current Expression | |
1676 | // | |
1677 | CurrentExpression = NULL; | |
1678 | } | |
1679 | break; | |
1680 | } | |
1681 | break; | |
1682 | ||
1683 | default: | |
1684 | break; | |
1685 | } | |
1686 | } | |
1687 | ||
1688 | return EFI_SUCCESS; | |
1689 | } |