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59336178 | 1 | /** @file\r |
2 | Parser for IFR binary encoding.\r | |
3 | \r | |
4 | Copyright (c) 2008, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "UefiIfrParser.h"\r | |
16 | #include "UefiIfrParserExpression.h"\r | |
17 | #include "UefiIfrParserInternal.h"\r | |
18 | #include "UefiIfrParserCommon.h"\r | |
19 | \r | |
20 | \r | |
21 | UINT16 mStatementIndex;\r | |
22 | UINT16 mExpressionOpCodeIndex;\r | |
23 | \r | |
24 | BOOLEAN mInScopeSubtitle;\r | |
25 | BOOLEAN mInScopeSuppress;\r | |
26 | BOOLEAN mInScopeGrayOut;\r | |
27 | FORM_EXPRESSION *mSuppressExpression;\r | |
28 | FORM_EXPRESSION *mGrayOutExpression;\r | |
29 | \r | |
30 | EFI_GUID gZeroGuid = {0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0}};\r | |
59336178 | 31 | \r |
32 | /**\r | |
33 | Initialize Statement header members.\r | |
34 | \r | |
35 | @param OpCodeData Pointer of the raw OpCode data.\r | |
36 | @param FormSet Pointer of the current FormSe.\r | |
37 | @param Form Pointer of the current Form.\r | |
38 | \r | |
39 | @return The Statement.\r | |
40 | \r | |
41 | **/\r | |
42 | FORM_BROWSER_STATEMENT *\r | |
43 | CreateStatement (\r | |
44 | IN UINT8 *OpCodeData,\r | |
45 | IN OUT FORM_BROWSER_FORMSET *FormSet,\r | |
46 | IN OUT FORM_BROWSER_FORM *Form\r | |
47 | )\r | |
48 | {\r | |
49 | FORM_BROWSER_STATEMENT *Statement;\r | |
50 | EFI_IFR_STATEMENT_HEADER *StatementHdr;\r | |
51 | \r | |
52 | if (Form == NULL) {\r | |
53 | //\r | |
54 | // We are currently not in a Form Scope, so just skip this Statement\r | |
55 | //\r | |
56 | return NULL;\r | |
57 | }\r | |
58 | \r | |
59 | Statement = &FormSet->StatementBuffer[mStatementIndex];\r | |
60 | mStatementIndex++;\r | |
61 | \r | |
62 | InitializeListHead (&Statement->DefaultListHead);\r | |
63 | InitializeListHead (&Statement->OptionListHead);\r | |
64 | InitializeListHead (&Statement->InconsistentListHead);\r | |
65 | InitializeListHead (&Statement->NoSubmitListHead);\r | |
66 | \r | |
67 | Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE;\r | |
68 | \r | |
69 | Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;\r | |
70 | \r | |
71 | StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));\r | |
72 | CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID));\r | |
73 | CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID));\r | |
74 | \r | |
75 | if (mInScopeSuppress) {\r | |
76 | Statement->SuppressExpression = mSuppressExpression;\r | |
77 | }\r | |
78 | \r | |
79 | if (mInScopeGrayOut) {\r | |
80 | Statement->GrayOutExpression = mGrayOutExpression;\r | |
81 | }\r | |
82 | \r | |
83 | Statement->InSubtitle = mInScopeSubtitle;\r | |
84 | \r | |
85 | //\r | |
86 | // Insert this Statement into current Form\r | |
87 | //\r | |
88 | InsertTailList (&Form->StatementListHead, &Statement->Link);\r | |
89 | \r | |
90 | return Statement;\r | |
91 | }\r | |
92 | \r | |
93 | \r | |
94 | /**\r | |
95 | Initialize Question's members.\r | |
96 | \r | |
97 | @param OpCodeData Pointer of the raw OpCode data.\r | |
98 | @param FormSet Pointer of the current FormSet.\r | |
99 | @param Form Pointer of the current Form.\r | |
100 | \r | |
101 | @return The Question.\r | |
102 | \r | |
103 | **/\r | |
104 | FORM_BROWSER_STATEMENT *\r | |
105 | CreateQuestion (\r | |
106 | IN UINT8 *OpCodeData,\r | |
107 | IN OUT FORM_BROWSER_FORMSET *FormSet,\r | |
108 | IN OUT FORM_BROWSER_FORM *Form\r | |
109 | )\r | |
110 | {\r | |
111 | FORM_BROWSER_STATEMENT *Statement;\r | |
112 | EFI_IFR_QUESTION_HEADER *QuestionHdr;\r | |
113 | LIST_ENTRY *Link;\r | |
114 | FORMSET_STORAGE *Storage;\r | |
115 | NAME_VALUE_NODE *NameValueNode;\r | |
116 | \r | |
117 | Statement = CreateStatement (OpCodeData, FormSet, Form);\r | |
118 | if (Statement == NULL) {\r | |
119 | return NULL;\r | |
120 | }\r | |
121 | \r | |
122 | QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));\r | |
123 | CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID));\r | |
124 | CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID));\r | |
125 | CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16));\r | |
126 | \r | |
127 | Statement->QuestionFlags = QuestionHdr->Flags;\r | |
128 | \r | |
129 | if (Statement->VarStoreId == 0) {\r | |
130 | //\r | |
131 | // VarStoreId of zero indicates no variable storage\r | |
132 | //\r | |
133 | return Statement;\r | |
134 | }\r | |
135 | \r | |
136 | //\r | |
137 | // Find Storage for this Question\r | |
138 | //\r | |
139 | Link = GetFirstNode (&FormSet->StorageListHead);\r | |
140 | while (!IsNull (&FormSet->StorageListHead, Link)) {\r | |
141 | Storage = FORMSET_STORAGE_FROM_LINK (Link);\r | |
142 | \r | |
143 | if (Storage->VarStoreId == Statement->VarStoreId) {\r | |
144 | Statement->Storage = Storage;\r | |
145 | break;\r | |
146 | }\r | |
147 | \r | |
148 | Link = GetNextNode (&FormSet->StorageListHead, Link);\r | |
149 | }\r | |
150 | ASSERT (Statement->Storage != NULL);\r | |
151 | \r | |
152 | //\r | |
153 | // Initialilze varname for Name/Value or EFI Variable\r | |
154 | //\r | |
155 | if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) ||\r | |
156 | (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {\r | |
157 | Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle);\r | |
158 | ASSERT (Statement->VariableName != NULL);\r | |
159 | \r | |
160 | if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r | |
161 | //\r | |
162 | // Insert to Name/Value varstore list\r | |
163 | //\r | |
164 | NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE));\r | |
165 | ASSERT (NameValueNode != NULL);\r | |
166 | NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE;\r | |
167 | NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName);\r | |
168 | ASSERT (NameValueNode->Name != NULL);\r | |
169 | NameValueNode->Value = AllocateZeroPool (0x10);\r | |
170 | ASSERT (NameValueNode->Value != NULL);\r | |
171 | NameValueNode->EditValue = AllocateZeroPool (0x10);\r | |
172 | ASSERT (NameValueNode->EditValue != NULL);\r | |
173 | \r | |
174 | InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link);\r | |
175 | }\r | |
176 | }\r | |
177 | \r | |
178 | return Statement;\r | |
179 | }\r | |
180 | \r | |
181 | \r | |
182 | /**\r | |
183 | Allocate a FORM_EXPRESSION node.\r | |
184 | \r | |
185 | @param Form The Form associated with this Expression\r | |
186 | \r | |
187 | @return Pointer to a FORM_EXPRESSION data structure.\r | |
188 | \r | |
189 | **/\r | |
190 | FORM_EXPRESSION *\r | |
191 | CreateExpression (\r | |
192 | IN OUT FORM_BROWSER_FORM *Form\r | |
193 | )\r | |
194 | {\r | |
195 | FORM_EXPRESSION *Expression;\r | |
196 | \r | |
197 | Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION));\r | |
198 | Expression->Signature = FORM_EXPRESSION_SIGNATURE;\r | |
199 | InitializeListHead (&Expression->OpCodeListHead);\r | |
200 | \r | |
201 | return Expression;\r | |
202 | }\r | |
203 | \r | |
204 | \r | |
205 | /**\r | |
206 | Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.\r | |
207 | \r | |
208 | @param FormSet Pointer of the current FormSet\r | |
209 | \r | |
210 | @return Pointer to a FORMSET_STORAGE data structure.\r | |
211 | \r | |
212 | **/\r | |
213 | FORMSET_STORAGE *\r | |
214 | CreateStorage (\r | |
215 | IN FORM_BROWSER_FORMSET *FormSet\r | |
216 | )\r | |
217 | {\r | |
218 | FORMSET_STORAGE *Storage;\r | |
219 | \r | |
220 | Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));\r | |
221 | Storage->Signature = FORMSET_STORAGE_SIGNATURE;\r | |
222 | InitializeListHead (&Storage->NameValueListHead);\r | |
223 | InsertTailList (&FormSet->StorageListHead, &Storage->Link);\r | |
224 | \r | |
225 | return Storage;\r | |
226 | }\r | |
227 | \r | |
228 | \r | |
229 | /**\r | |
230 | Create ConfigHdr string for a storage.\r | |
231 | \r | |
232 | @param FormSet Pointer of the current FormSet\r | |
233 | @param Storage Pointer of the storage\r | |
234 | \r | |
235 | @retval EFI_SUCCESS Initialize ConfigHdr success\r | |
236 | \r | |
237 | **/\r | |
238 | EFI_STATUS\r | |
239 | InitializeConfigHdr (\r | |
240 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
241 | IN OUT FORMSET_STORAGE *Storage\r | |
242 | )\r | |
243 | {\r | |
244 | EFI_STATUS Status;\r | |
245 | UINTN StrBufferLen;\r | |
246 | CHAR16 *Name;\r | |
247 | \r | |
248 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {\r | |
249 | Name = Storage->Name;\r | |
250 | } else {\r | |
251 | Name = NULL;\r | |
252 | }\r | |
253 | \r | |
254 | StrBufferLen = 0;\r | |
255 | Status = ConstructConfigHdr (\r | |
256 | Storage->ConfigHdr,\r | |
257 | &StrBufferLen,\r | |
258 | &Storage->Guid,\r | |
259 | Name,\r | |
260 | FormSet->DriverHandle\r | |
261 | );\r | |
262 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
263 | Storage->ConfigHdr = AllocateZeroPool (StrBufferLen);\r | |
264 | Status = ConstructConfigHdr (\r | |
265 | Storage->ConfigHdr,\r | |
266 | &StrBufferLen,\r | |
267 | &Storage->Guid,\r | |
268 | Name,\r | |
269 | FormSet->DriverHandle\r | |
270 | );\r | |
271 | }\r | |
272 | \r | |
273 | if (EFI_ERROR (Status)) {\r | |
274 | return Status;\r | |
275 | }\r | |
276 | \r | |
277 | Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr);\r | |
278 | Storage->SpareStrLen = 0;\r | |
279 | \r | |
280 | return EFI_SUCCESS;\r | |
281 | }\r | |
282 | \r | |
283 | \r | |
284 | /**\r | |
285 | Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>\r | |
286 | \r | |
287 | @param FormSet Pointer of the current FormSet.\r | |
288 | @param Question The Question to be initialized.\r | |
289 | \r | |
290 | @retval EFI_SUCCESS Function success.\r | |
291 | @retval EFI_INVALID_PARAMETER No storage associated with the Question.\r | |
292 | \r | |
293 | **/\r | |
294 | EFI_STATUS\r | |
295 | InitializeRequestElement (\r | |
296 | IN OUT FORM_BROWSER_FORMSET *FormSet,\r | |
297 | IN OUT FORM_BROWSER_STATEMENT *Question\r | |
298 | )\r | |
299 | {\r | |
300 | FORMSET_STORAGE *Storage;\r | |
301 | UINTN StrLen;\r | |
302 | UINTN StringSize;\r | |
303 | CHAR16 *NewStr;\r | |
304 | CHAR16 RequestElement[30];\r | |
305 | \r | |
306 | Storage = Question->Storage;\r | |
307 | if (Storage == NULL) {\r | |
308 | return EFI_INVALID_PARAMETER;\r | |
309 | }\r | |
310 | \r | |
311 | if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {\r | |
312 | //\r | |
313 | // <ConfigRequest> is unnecessary for EFI variable storage,\r | |
314 | // GetVariable()/SetVariable() will be used to retrieve/save values\r | |
315 | //\r | |
316 | return EFI_SUCCESS;\r | |
317 | }\r | |
318 | \r | |
319 | //\r | |
320 | // Prepare <RequestElement>\r | |
321 | //\r | |
322 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {\r | |
323 | StrLen = UnicodeSPrint (\r | |
324 | RequestElement,\r | |
325 | 30 * sizeof (CHAR16),\r | |
326 | L"&OFFSET=%x&WIDTH=%x",\r | |
327 | Question->VarStoreInfo.VarOffset,\r | |
328 | Question->StorageWidth\r | |
329 | );\r | |
330 | Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement);\r | |
331 | } else {\r | |
332 | StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName);\r | |
333 | }\r | |
334 | \r | |
335 | if ((Question->Operand == EFI_IFR_PASSWORD_OP) && (Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK)) {\r | |
336 | //\r | |
337 | // Password with CALLBACK flag is stored in encoded format,\r | |
338 | // so don't need to append it to <ConfigRequest>\r | |
339 | //\r | |
340 | return EFI_SUCCESS;\r | |
341 | }\r | |
342 | \r | |
343 | //\r | |
344 | // Append <RequestElement> to <ConfigRequest>\r | |
345 | //\r | |
346 | if (StrLen > Storage->SpareStrLen) {\r | |
347 | //\r | |
348 | // Old String buffer is not sufficient for RequestElement, allocate a new one\r | |
349 | //\r | |
350 | StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16);\r | |
351 | NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16));\r | |
352 | if (Storage->ConfigRequest != NULL) {\r | |
353 | CopyMem (NewStr, Storage->ConfigRequest, StringSize);\r | |
354 | gBS->FreePool (Storage->ConfigRequest);\r | |
355 | }\r | |
356 | Storage->ConfigRequest = NewStr;\r | |
357 | Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL;\r | |
358 | }\r | |
359 | \r | |
360 | StrCat (Storage->ConfigRequest, RequestElement);\r | |
361 | Storage->ElementCount++;\r | |
362 | Storage->SpareStrLen -= StrLen;\r | |
363 | \r | |
364 | return EFI_SUCCESS;\r | |
365 | }\r | |
366 | \r | |
367 | \r | |
368 | /**\r | |
369 | Free resources of a Expression\r | |
370 | \r | |
371 | @param FormSet Pointer of the Expression\r | |
372 | \r | |
373 | @return None.\r | |
374 | \r | |
375 | **/\r | |
376 | VOID\r | |
377 | DestroyExpression (\r | |
378 | IN FORM_EXPRESSION *Expression\r | |
379 | )\r | |
380 | {\r | |
381 | LIST_ENTRY *Link;\r | |
382 | EXPRESSION_OPCODE *OpCode;\r | |
383 | \r | |
384 | while (!IsListEmpty (&Expression->OpCodeListHead)) {\r | |
385 | Link = GetFirstNode (&Expression->OpCodeListHead);\r | |
386 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);\r | |
387 | RemoveEntryList (&OpCode->Link);\r | |
388 | \r | |
389 | SafeFreePool (OpCode->ValueList);\r | |
390 | }\r | |
391 | \r | |
392 | //\r | |
393 | // Free this Expression\r | |
394 | //\r | |
395 | gBS->FreePool (Expression);\r | |
396 | }\r | |
397 | \r | |
398 | \r | |
399 | /**\r | |
400 | Free resources of a storage\r | |
401 | \r | |
402 | @param Storage Pointer of the storage\r | |
403 | \r | |
404 | @return None.\r | |
405 | \r | |
406 | **/\r | |
407 | VOID\r | |
408 | DestroyStorage (\r | |
409 | IN FORMSET_STORAGE *Storage\r | |
410 | )\r | |
411 | {\r | |
412 | LIST_ENTRY *Link;\r | |
413 | NAME_VALUE_NODE *NameValueNode;\r | |
414 | \r | |
415 | if (Storage == NULL) {\r | |
416 | return;\r | |
417 | }\r | |
418 | \r | |
419 | SafeFreePool (Storage->Name);\r | |
420 | SafeFreePool (Storage->Buffer);\r | |
421 | SafeFreePool (Storage->EditBuffer);\r | |
422 | \r | |
423 | while (!IsListEmpty (&Storage->NameValueListHead)) {\r | |
424 | Link = GetFirstNode (&Storage->NameValueListHead);\r | |
425 | NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);\r | |
426 | RemoveEntryList (&NameValueNode->Link);\r | |
427 | \r | |
428 | SafeFreePool (NameValueNode->Name);\r | |
429 | SafeFreePool (NameValueNode->Value);\r | |
430 | SafeFreePool (NameValueNode->EditValue);\r | |
431 | SafeFreePool (NameValueNode);\r | |
432 | }\r | |
433 | \r | |
434 | SafeFreePool (Storage->ConfigHdr);\r | |
435 | SafeFreePool (Storage->ConfigRequest);\r | |
436 | \r | |
437 | gBS->FreePool (Storage);\r | |
438 | }\r | |
439 | \r | |
440 | \r | |
441 | /**\r | |
442 | Free resources of a Statement\r | |
443 | \r | |
444 | @param Statement Pointer of the Statement\r | |
445 | \r | |
446 | @return None.\r | |
447 | \r | |
448 | **/\r | |
449 | VOID\r | |
450 | DestroyStatement (\r | |
451 | IN OUT FORM_BROWSER_STATEMENT *Statement\r | |
452 | )\r | |
453 | {\r | |
454 | LIST_ENTRY *Link;\r | |
455 | QUESTION_DEFAULT *Default;\r | |
456 | QUESTION_OPTION *Option;\r | |
457 | FORM_EXPRESSION *Expression;\r | |
458 | \r | |
459 | //\r | |
460 | // Free Default value List\r | |
461 | //\r | |
462 | while (!IsListEmpty (&Statement->DefaultListHead)) {\r | |
463 | Link = GetFirstNode (&Statement->DefaultListHead);\r | |
464 | Default = QUESTION_DEFAULT_FROM_LINK (Link);\r | |
465 | RemoveEntryList (&Default->Link);\r | |
466 | \r | |
467 | gBS->FreePool (Default);\r | |
468 | }\r | |
469 | \r | |
470 | //\r | |
471 | // Free Options List\r | |
472 | //\r | |
473 | while (!IsListEmpty (&Statement->OptionListHead)) {\r | |
474 | Link = GetFirstNode (&Statement->OptionListHead);\r | |
475 | Option = QUESTION_OPTION_FROM_LINK (Link);\r | |
476 | RemoveEntryList (&Option->Link);\r | |
477 | \r | |
478 | gBS->FreePool (Option);\r | |
479 | }\r | |
480 | \r | |
481 | //\r | |
482 | // Free Inconsistent List\r | |
483 | //\r | |
484 | while (!IsListEmpty (&Statement->InconsistentListHead)) {\r | |
485 | Link = GetFirstNode (&Statement->InconsistentListHead);\r | |
486 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r | |
487 | RemoveEntryList (&Expression->Link);\r | |
488 | \r | |
489 | DestroyExpression (Expression);\r | |
490 | }\r | |
491 | \r | |
492 | //\r | |
493 | // Free NoSubmit List\r | |
494 | //\r | |
495 | while (!IsListEmpty (&Statement->NoSubmitListHead)) {\r | |
496 | Link = GetFirstNode (&Statement->NoSubmitListHead);\r | |
497 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r | |
498 | RemoveEntryList (&Expression->Link);\r | |
499 | \r | |
500 | DestroyExpression (Expression);\r | |
501 | }\r | |
502 | \r | |
503 | SafeFreePool (Statement->VariableName);\r | |
504 | SafeFreePool (Statement->BlockName);\r | |
505 | }\r | |
506 | \r | |
507 | \r | |
508 | /**\r | |
509 | Free resources of a Form\r | |
510 | \r | |
511 | @param Form Pointer of the Form\r | |
512 | \r | |
513 | @return None.\r | |
514 | \r | |
515 | **/\r | |
516 | VOID\r | |
517 | DestroyForm (\r | |
518 | IN OUT FORM_BROWSER_FORM *Form\r | |
519 | )\r | |
520 | {\r | |
521 | LIST_ENTRY *Link;\r | |
522 | FORM_EXPRESSION *Expression;\r | |
523 | FORM_BROWSER_STATEMENT *Statement;\r | |
524 | \r | |
525 | //\r | |
526 | // Free Form Expressions\r | |
527 | //\r | |
528 | while (!IsListEmpty (&Form->ExpressionListHead)) {\r | |
529 | Link = GetFirstNode (&Form->ExpressionListHead);\r | |
530 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r | |
531 | RemoveEntryList (&Expression->Link);\r | |
532 | \r | |
533 | DestroyExpression (Expression);\r | |
534 | }\r | |
535 | \r | |
536 | //\r | |
537 | // Free Statements/Questions\r | |
538 | //\r | |
539 | while (!IsListEmpty (&Form->StatementListHead)) {\r | |
540 | Link = GetFirstNode (&Form->StatementListHead);\r | |
541 | Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r | |
542 | RemoveEntryList (&Statement->Link);\r | |
543 | \r | |
544 | DestroyStatement (Statement);\r | |
545 | }\r | |
546 | \r | |
547 | //\r | |
548 | // Free this Form\r | |
549 | //\r | |
550 | gBS->FreePool (Form);\r | |
551 | }\r | |
552 | \r | |
553 | \r | |
554 | /**\r | |
555 | Free resources allocated for a FormSet\r | |
556 | \r | |
557 | @param FormSet Pointer of the FormSet\r | |
558 | \r | |
559 | @return None.\r | |
560 | \r | |
561 | **/\r | |
562 | VOID\r | |
563 | DestroyFormSet (\r | |
564 | IN OUT FORM_BROWSER_FORMSET *FormSet\r | |
565 | )\r | |
566 | {\r | |
567 | LIST_ENTRY *Link;\r | |
568 | FORMSET_STORAGE *Storage;\r | |
569 | FORMSET_DEFAULTSTORE *DefaultStore;\r | |
570 | FORM_BROWSER_FORM *Form;\r | |
571 | \r | |
572 | //\r | |
573 | // Free IFR binary buffer\r | |
574 | //\r | |
575 | SafeFreePool (FormSet->IfrBinaryData);\r | |
576 | \r | |
577 | //\r | |
578 | // Free FormSet Storage\r | |
579 | //\r | |
580 | if (FormSet->StorageListHead.ForwardLink != NULL) {\r | |
581 | while (!IsListEmpty (&FormSet->StorageListHead)) {\r | |
582 | Link = GetFirstNode (&FormSet->StorageListHead);\r | |
583 | Storage = FORMSET_STORAGE_FROM_LINK (Link);\r | |
584 | RemoveEntryList (&Storage->Link);\r | |
585 | \r | |
586 | DestroyStorage (Storage);\r | |
587 | }\r | |
588 | }\r | |
589 | \r | |
590 | //\r | |
591 | // Free FormSet Default Store\r | |
592 | //\r | |
593 | if (FormSet->DefaultStoreListHead.ForwardLink != NULL) {\r | |
594 | while (!IsListEmpty (&FormSet->DefaultStoreListHead)) {\r | |
595 | Link = GetFirstNode (&FormSet->DefaultStoreListHead);\r | |
596 | DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link);\r | |
597 | RemoveEntryList (&DefaultStore->Link);\r | |
598 | \r | |
599 | gBS->FreePool (DefaultStore);\r | |
600 | }\r | |
601 | }\r | |
602 | \r | |
603 | //\r | |
604 | // Free Forms\r | |
605 | //\r | |
606 | if (FormSet->FormListHead.ForwardLink != NULL) {\r | |
607 | while (!IsListEmpty (&FormSet->FormListHead)) {\r | |
608 | Link = GetFirstNode (&FormSet->FormListHead);\r | |
609 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r | |
610 | RemoveEntryList (&Form->Link);\r | |
611 | \r | |
612 | DestroyForm (Form);\r | |
613 | }\r | |
614 | }\r | |
615 | \r | |
616 | SafeFreePool (FormSet->StatementBuffer);\r | |
617 | SafeFreePool (FormSet->ExpressionBuffer);\r | |
618 | \r | |
619 | SafeFreePool (FormSet);\r | |
620 | }\r | |
621 | \r | |
622 | \r | |
623 | /**\r | |
624 | Tell whether this Operand is an Expression OpCode or not\r | |
625 | \r | |
626 | @param Operand Operand of an IFR OpCode.\r | |
627 | \r | |
628 | @retval TRUE This is an Expression OpCode.\r | |
629 | @retval FALSE Not an Expression OpCode.\r | |
630 | \r | |
631 | **/\r | |
632 | BOOLEAN\r | |
633 | IsExpressionOpCode (\r | |
634 | IN UINT8 Operand\r | |
635 | )\r | |
636 | {\r | |
637 | if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||\r | |
638 | ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||\r | |
639 | (Operand == EFI_IFR_CATENATE_OP)\r | |
640 | ) {\r | |
641 | return TRUE;\r | |
642 | } else {\r | |
643 | return FALSE;\r | |
644 | }\r | |
645 | }\r | |
646 | \r | |
647 | \r | |
648 | /**\r | |
649 | Calculate number of Statemens(Questions) and Expression OpCodes.\r | |
650 | \r | |
651 | @param FormSet The FormSet to be counted.\r | |
652 | @param NumberOfStatement Number of Statemens(Questions)\r | |
653 | @param NumberOfExpression Number of Expression OpCodes\r | |
654 | \r | |
655 | @return None.\r | |
656 | \r | |
657 | **/\r | |
658 | VOID\r | |
659 | CountOpCodes (\r | |
660 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
661 | IN OUT UINT16 *NumberOfStatement,\r | |
662 | IN OUT UINT16 *NumberOfExpression\r | |
663 | )\r | |
664 | {\r | |
665 | UINT16 StatementCount;\r | |
666 | UINT16 ExpressionCount;\r | |
667 | UINT8 *OpCodeData;\r | |
668 | UINTN Offset;\r | |
669 | UINTN OpCodeLen;\r | |
670 | \r | |
671 | Offset = 0;\r | |
672 | StatementCount = 0;\r | |
673 | ExpressionCount = 0;\r | |
674 | \r | |
675 | while (Offset < FormSet->IfrBinaryLength) {\r | |
676 | OpCodeData = FormSet->IfrBinaryData + Offset;\r | |
677 | OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;\r | |
678 | Offset += OpCodeLen;\r | |
679 | \r | |
680 | if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) {\r | |
681 | ExpressionCount++;\r | |
682 | } else {\r | |
683 | StatementCount++;\r | |
684 | }\r | |
685 | }\r | |
686 | \r | |
687 | *NumberOfStatement = StatementCount;\r | |
688 | *NumberOfExpression = ExpressionCount;\r | |
689 | }\r | |
690 | \r | |
691 | \r | |
692 | /**\r | |
693 | Parse opcodes in the formset IFR binary.\r | |
694 | \r | |
695 | @param FormSet Pointer of the FormSet data structure.\r | |
696 | \r | |
697 | @retval EFI_SUCCESS Opcode parse success.\r | |
698 | @retval Other Opcode parse fail.\r | |
699 | \r | |
700 | **/\r | |
701 | EFI_STATUS\r | |
702 | ParseOpCodes (\r | |
703 | IN FORM_BROWSER_FORMSET *FormSet\r | |
704 | )\r | |
705 | {\r | |
706 | EFI_STATUS Status;\r | |
707 | UINT16 Index;\r | |
708 | FORM_BROWSER_FORM *CurrentForm;\r | |
709 | FORM_BROWSER_STATEMENT *CurrentStatement;\r | |
710 | EXPRESSION_OPCODE *ExpressionOpCode;\r | |
711 | FORM_EXPRESSION *CurrentExpression;\r | |
712 | UINT8 Operand;\r | |
713 | UINT8 Scope;\r | |
714 | UINTN OpCodeOffset;\r | |
715 | UINTN OpCodeLength;\r | |
716 | UINT8 *OpCodeData;\r | |
717 | UINT8 ScopeOpCode;\r | |
718 | FORMSET_STORAGE *Storage;\r | |
719 | FORMSET_DEFAULTSTORE *DefaultStore;\r | |
720 | QUESTION_DEFAULT *CurrentDefault;\r | |
721 | QUESTION_OPTION *CurrentOption;\r | |
722 | CHAR8 *AsciiString;\r | |
723 | UINT16 NumberOfStatement;\r | |
724 | UINT16 NumberOfExpression;\r | |
725 | EFI_IMAGE_ID *ImageId;\r | |
726 | BOOLEAN SuppressForOption;\r | |
727 | BOOLEAN InScopeOptionSuppress;\r | |
728 | FORM_EXPRESSION *OptionSuppressExpression;\r | |
729 | BOOLEAN InScopeDisable;\r | |
730 | UINT16 DepthOfDisable;\r | |
731 | BOOLEAN OpCodeDisabled;\r | |
732 | BOOLEAN SingleOpCodeExpression;\r | |
733 | BOOLEAN InScopeDefault;\r | |
734 | EFI_HII_VALUE *Value;\r | |
735 | \r | |
736 | mInScopeSubtitle = FALSE;\r | |
737 | SuppressForOption = FALSE;\r | |
738 | mInScopeSuppress = FALSE;\r | |
739 | InScopeOptionSuppress = FALSE;\r | |
740 | mInScopeGrayOut = FALSE;\r | |
741 | InScopeDisable = FALSE;\r | |
742 | DepthOfDisable = 0;\r | |
743 | OpCodeDisabled = FALSE;\r | |
744 | SingleOpCodeExpression = FALSE;\r | |
745 | InScopeDefault = FALSE;\r | |
746 | CurrentExpression = NULL;\r | |
747 | CurrentDefault = NULL;\r | |
748 | CurrentOption = NULL;\r | |
749 | OptionSuppressExpression = NULL;\r | |
750 | \r | |
751 | //\r | |
752 | // Get the number of Statements and Expressions\r | |
753 | //\r | |
754 | CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);\r | |
755 | \r | |
756 | mStatementIndex = 0;\r | |
757 | FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT));\r | |
758 | if (FormSet->StatementBuffer == NULL) {\r | |
759 | return EFI_OUT_OF_RESOURCES;\r | |
760 | }\r | |
761 | \r | |
762 | mExpressionOpCodeIndex = 0;\r | |
763 | FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE));\r | |
764 | if (FormSet->ExpressionBuffer == NULL) {\r | |
765 | return EFI_OUT_OF_RESOURCES;\r | |
766 | }\r | |
767 | \r | |
768 | InitializeListHead (&FormSet->StorageListHead);\r | |
769 | InitializeListHead (&FormSet->DefaultStoreListHead);\r | |
770 | InitializeListHead (&FormSet->FormListHead);\r | |
771 | \r | |
772 | CurrentForm = NULL;\r | |
773 | CurrentStatement = NULL;\r | |
774 | \r | |
775 | ResetScopeStack ();\r | |
776 | \r | |
777 | OpCodeOffset = 0;\r | |
778 | while (OpCodeOffset < FormSet->IfrBinaryLength) {\r | |
779 | OpCodeData = FormSet->IfrBinaryData + OpCodeOffset;\r | |
780 | \r | |
781 | OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;\r | |
782 | OpCodeOffset += OpCodeLength;\r | |
783 | Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;\r | |
784 | Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope;\r | |
785 | \r | |
786 | //\r | |
787 | // If scope bit set, push onto scope stack\r | |
788 | //\r | |
789 | if (Scope) {\r | |
790 | PushScope (Operand);\r | |
791 | }\r | |
792 | \r | |
793 | if (OpCodeDisabled) {\r | |
794 | //\r | |
795 | // DisableIf Expression is evaluated to be TRUE, try to find its end.\r | |
796 | // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END\r | |
797 | //\r | |
798 | if (Operand == EFI_IFR_DISABLE_IF_OP) {\r | |
799 | DepthOfDisable++;\r | |
800 | } else if (Operand == EFI_IFR_END_OP) {\r | |
801 | Status = PopScope (&ScopeOpCode);\r | |
802 | if (EFI_ERROR (Status)) {\r | |
803 | return Status;\r | |
804 | }\r | |
805 | \r | |
806 | if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) {\r | |
807 | if (DepthOfDisable == 0) {\r | |
808 | InScopeDisable = FALSE;\r | |
809 | OpCodeDisabled = FALSE;\r | |
810 | } else {\r | |
811 | DepthOfDisable--;\r | |
812 | }\r | |
813 | }\r | |
814 | }\r | |
815 | continue;\r | |
816 | }\r | |
817 | \r | |
818 | if (IsExpressionOpCode (Operand)) {\r | |
819 | ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex];\r | |
820 | mExpressionOpCodeIndex++;\r | |
821 | \r | |
822 | ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE;\r | |
823 | ExpressionOpCode->Operand = Operand;\r | |
824 | Value = &ExpressionOpCode->Value;\r | |
825 | \r | |
826 | switch (Operand) {\r | |
827 | case EFI_IFR_EQ_ID_VAL_OP:\r | |
828 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r | |
829 | \r | |
830 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r | |
831 | CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16));\r | |
832 | break;\r | |
833 | \r | |
834 | case EFI_IFR_EQ_ID_ID_OP:\r | |
835 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID));\r | |
836 | CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID));\r | |
837 | break;\r | |
838 | \r | |
839 | case EFI_IFR_EQ_ID_LIST_OP:\r | |
840 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r | |
841 | CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16));\r | |
842 | ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList);\r | |
843 | break;\r | |
844 | \r | |
845 | case EFI_IFR_TO_STRING_OP:\r | |
846 | case EFI_IFR_FIND_OP:\r | |
847 | ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format;\r | |
848 | break;\r | |
849 | \r | |
850 | case EFI_IFR_STRING_REF1_OP:\r | |
851 | Value->Type = EFI_IFR_TYPE_STRING;\r | |
852 | CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID));\r | |
853 | break;\r | |
854 | \r | |
855 | case EFI_IFR_RULE_REF_OP:\r | |
856 | ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId;\r | |
857 | break;\r | |
858 | \r | |
859 | case EFI_IFR_SPAN_OP:\r | |
860 | ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags;\r | |
861 | break;\r | |
862 | \r | |
863 | case EFI_IFR_THIS_OP:\r | |
864 | ExpressionOpCode->QuestionId = CurrentStatement->QuestionId;\r | |
865 | break;\r | |
866 | \r | |
867 | case EFI_IFR_QUESTION_REF1_OP:\r | |
868 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r | |
869 | break;\r | |
870 | \r | |
871 | case EFI_IFR_QUESTION_REF3_OP:\r | |
872 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) {\r | |
873 | CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));\r | |
874 | \r | |
875 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) {\r | |
876 | CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID));\r | |
877 | }\r | |
878 | }\r | |
879 | break;\r | |
880 | \r | |
881 | //\r | |
882 | // constant\r | |
883 | //\r | |
884 | case EFI_IFR_TRUE_OP:\r | |
885 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
886 | Value->Value.b = TRUE;\r | |
887 | break;\r | |
888 | \r | |
889 | case EFI_IFR_FALSE_OP:\r | |
890 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
891 | Value->Value.b = FALSE;\r | |
892 | break;\r | |
893 | \r | |
894 | case EFI_IFR_ONE_OP:\r | |
895 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
896 | Value->Value.u8 = 1;\r | |
897 | break;\r | |
898 | \r | |
899 | case EFI_IFR_ZERO_OP:\r | |
900 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
901 | Value->Value.u8 = 0;\r | |
902 | break;\r | |
903 | \r | |
904 | case EFI_IFR_ONES_OP:\r | |
905 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
906 | Value->Value.u64 = 0xffffffffffffffffULL;\r | |
907 | break;\r | |
908 | \r | |
909 | case EFI_IFR_UINT8_OP:\r | |
910 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
911 | Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value;\r | |
912 | break;\r | |
913 | \r | |
914 | case EFI_IFR_UINT16_OP:\r | |
915 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r | |
916 | CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16));\r | |
917 | break;\r | |
918 | \r | |
919 | case EFI_IFR_UINT32_OP:\r | |
920 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;\r | |
921 | CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32));\r | |
922 | break;\r | |
923 | \r | |
924 | case EFI_IFR_UINT64_OP:\r | |
925 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
926 | CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64));\r | |
927 | break;\r | |
928 | \r | |
929 | case EFI_IFR_UNDEFINED_OP:\r | |
930 | Value->Type = EFI_IFR_TYPE_OTHER;\r | |
931 | break;\r | |
932 | \r | |
933 | case EFI_IFR_VERSION_OP:\r | |
934 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r | |
935 | Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION;\r | |
936 | break;\r | |
937 | \r | |
938 | default:\r | |
939 | break;\r | |
940 | }\r | |
941 | \r | |
942 | InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);\r | |
943 | \r | |
944 | if (SingleOpCodeExpression) {\r | |
945 | //\r | |
946 | // There are two cases to indicate the end of an Expression:\r | |
947 | // for single OpCode expression: one Expression OpCode\r | |
948 | // for expression consists of more than one OpCode: EFI_IFR_END\r | |
949 | //\r | |
950 | SingleOpCodeExpression = FALSE;\r | |
951 | \r | |
952 | if (InScopeDisable) {\r | |
953 | //\r | |
954 | // Evaluate DisableIf expression\r | |
955 | //\r | |
956 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);\r | |
957 | if (EFI_ERROR (Status)) {\r | |
958 | return Status;\r | |
959 | }\r | |
960 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
961 | return EFI_INVALID_PARAMETER;\r | |
962 | }\r | |
963 | \r | |
964 | OpCodeDisabled = CurrentExpression->Result.Value.b;\r | |
965 | }\r | |
966 | \r | |
967 | CurrentExpression = NULL;\r | |
968 | }\r | |
969 | \r | |
970 | continue;\r | |
971 | }\r | |
972 | \r | |
973 | //\r | |
974 | // Parse the Opcode\r | |
975 | //\r | |
976 | switch (Operand) {\r | |
977 | \r | |
978 | case EFI_IFR_FORM_SET_OP:\r | |
979 | //\r | |
980 | // check the formset GUID\r | |
981 | //\r | |
982 | if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) {\r | |
983 | return EFI_INVALID_PARAMETER;\r | |
984 | }\r | |
985 | \r | |
986 | CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));\r | |
987 | CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));\r | |
988 | break;\r | |
989 | \r | |
990 | case EFI_IFR_FORM_OP:\r | |
991 | //\r | |
992 | // Create a new Form for this FormSet\r | |
993 | //\r | |
994 | CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));\r | |
995 | CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;\r | |
996 | InitializeListHead (&CurrentForm->ExpressionListHead);\r | |
997 | InitializeListHead (&CurrentForm->StatementListHead);\r | |
998 | \r | |
999 | CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));\r | |
1000 | CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));\r | |
1001 | \r | |
1002 | //\r | |
1003 | // Insert into Form list of this FormSet\r | |
1004 | //\r | |
1005 | InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);\r | |
1006 | break;\r | |
1007 | \r | |
1008 | //\r | |
1009 | // Storage\r | |
1010 | //\r | |
1011 | case EFI_IFR_VARSTORE_OP:\r | |
1012 | //\r | |
1013 | // Create a buffer Storage for this FormSet\r | |
1014 | //\r | |
1015 | Storage = CreateStorage (FormSet);\r | |
1016 | Storage->Type = EFI_HII_VARSTORE_BUFFER;\r | |
1017 | \r | |
1018 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r | |
1019 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID));\r | |
1020 | CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16));\r | |
1021 | \r | |
1022 | Storage->Buffer = AllocateZeroPool (Storage->Size);\r | |
1023 | Storage->EditBuffer = AllocateZeroPool (Storage->Size);\r | |
1024 | \r | |
1025 | AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;\r | |
1026 | Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2);\r | |
1027 | ASSERT (Storage->Name != NULL);\r | |
1028 | for (Index = 0; AsciiString[Index] != 0; Index++) {\r | |
1029 | Storage->Name[Index] = (CHAR16) AsciiString[Index];\r | |
1030 | }\r | |
1031 | \r | |
1032 | //\r | |
1033 | // Initialize <ConfigHdr>\r | |
1034 | //\r | |
1035 | InitializeConfigHdr (FormSet, Storage);\r | |
1036 | break;\r | |
1037 | \r | |
1038 | case EFI_IFR_VARSTORE_NAME_VALUE_OP:\r | |
1039 | //\r | |
1040 | // Create a name/value Storage for this FormSet\r | |
1041 | //\r | |
1042 | Storage = CreateStorage (FormSet);\r | |
1043 | Storage->Type = EFI_HII_VARSTORE_NAME_VALUE;\r | |
1044 | \r | |
1045 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r | |
1046 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID));\r | |
1047 | \r | |
1048 | //\r | |
1049 | // Initialize <ConfigHdr>\r | |
1050 | //\r | |
1051 | InitializeConfigHdr (FormSet, Storage);\r | |
1052 | break;\r | |
1053 | \r | |
1054 | case EFI_IFR_VARSTORE_EFI_OP:\r | |
1055 | //\r | |
1056 | // Create a EFI variable Storage for this FormSet\r | |
1057 | //\r | |
1058 | Storage = CreateStorage (FormSet);\r | |
1059 | Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE;\r | |
1060 | \r | |
1061 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r | |
1062 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID));\r | |
1063 | CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));\r | |
1064 | break;\r | |
1065 | \r | |
1066 | //\r | |
1067 | // DefaultStore\r | |
1068 | //\r | |
1069 | case EFI_IFR_DEFAULTSTORE_OP:\r | |
1070 | DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE));\r | |
1071 | DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE;\r | |
1072 | \r | |
1073 | CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16));\r | |
1074 | CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID));\r | |
1075 | \r | |
1076 | //\r | |
1077 | // Insert to DefaultStore list of this Formset\r | |
1078 | //\r | |
1079 | InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link);\r | |
1080 | break;\r | |
1081 | \r | |
1082 | //\r | |
1083 | // Statements\r | |
1084 | //\r | |
1085 | case EFI_IFR_SUBTITLE_OP:\r | |
1086 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);\r | |
1087 | CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;\r | |
1088 | \r | |
1089 | if (Scope) {\r | |
1090 | mInScopeSubtitle = TRUE;\r | |
1091 | }\r | |
1092 | break;\r | |
1093 | \r | |
1094 | case EFI_IFR_TEXT_OP:\r | |
1095 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);\r | |
1096 | \r | |
1097 | CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));\r | |
1098 | break;\r | |
1099 | \r | |
1100 | //\r | |
1101 | // Questions\r | |
1102 | //\r | |
1103 | case EFI_IFR_ACTION_OP:\r | |
1104 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1105 | \r | |
1106 | if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) {\r | |
1107 | //\r | |
1108 | // No QuestionConfig present, so no configuration string will be processed\r | |
1109 | //\r | |
1110 | CurrentStatement->QuestionConfig = 0;\r | |
1111 | } else {\r | |
1112 | CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID));\r | |
1113 | }\r | |
1114 | break;\r | |
1115 | \r | |
1116 | case EFI_IFR_RESET_BUTTON_OP:\r | |
1117 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1118 | \r | |
1119 | CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));\r | |
1120 | break;\r | |
1121 | \r | |
1122 | case EFI_IFR_REF_OP:\r | |
1123 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1124 | \r | |
1125 | CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID));\r | |
1126 | if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {\r | |
1127 | CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r | |
1128 | \r | |
1129 | if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {\r | |
1130 | CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID));\r | |
1131 | \r | |
1132 | if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {\r | |
1133 | CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));\r | |
1134 | }\r | |
1135 | }\r | |
1136 | }\r | |
1137 | break;\r | |
1138 | \r | |
1139 | case EFI_IFR_ONE_OF_OP:\r | |
1140 | case EFI_IFR_NUMERIC_OP:\r | |
1141 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1142 | \r | |
1143 | CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags;\r | |
1144 | Value = &CurrentStatement->HiiValue;\r | |
1145 | \r | |
1146 | switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) {\r | |
1147 | case EFI_IFR_NUMERIC_SIZE_1:\r | |
1148 | CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue;\r | |
1149 | CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue;\r | |
1150 | CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step;\r | |
1151 | CurrentStatement->StorageWidth = sizeof (UINT8);\r | |
1152 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
1153 | break;\r | |
1154 | \r | |
1155 | case EFI_IFR_NUMERIC_SIZE_2:\r | |
1156 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16));\r | |
1157 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16));\r | |
1158 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16));\r | |
1159 | CurrentStatement->StorageWidth = sizeof (UINT16);\r | |
1160 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r | |
1161 | break;\r | |
1162 | \r | |
1163 | case EFI_IFR_NUMERIC_SIZE_4:\r | |
1164 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32));\r | |
1165 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32));\r | |
1166 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32));\r | |
1167 | CurrentStatement->StorageWidth = sizeof (UINT32);\r | |
1168 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;\r | |
1169 | break;\r | |
1170 | \r | |
1171 | case EFI_IFR_NUMERIC_SIZE_8:\r | |
1172 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64));\r | |
1173 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64));\r | |
1174 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64));\r | |
1175 | CurrentStatement->StorageWidth = sizeof (UINT64);\r | |
1176 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1177 | break;\r | |
1178 | \r | |
1179 | default:\r | |
1180 | break;\r | |
1181 | }\r | |
1182 | \r | |
1183 | InitializeRequestElement (FormSet, CurrentStatement);\r | |
1184 | \r | |
1185 | if ((Operand == EFI_IFR_ONE_OF_OP) && Scope) {\r | |
1186 | SuppressForOption = TRUE;\r | |
1187 | }\r | |
1188 | break;\r | |
1189 | \r | |
1190 | case EFI_IFR_ORDERED_LIST_OP:\r | |
1191 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1192 | \r | |
1193 | CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;\r | |
1194 | CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;\r | |
1195 | CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8));\r | |
1196 | InitializeRequestElement (FormSet, CurrentStatement);\r | |
1197 | \r | |
1198 | //\r | |
1199 | // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver\r | |
1200 | // has to use FormBrowser2.Callback() to retrieve the uncommited data for\r | |
1201 | // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set).\r | |
1202 | //\r | |
1203 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER;\r | |
1204 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);\r | |
1205 | \r | |
1206 | if (Scope) {\r | |
1207 | SuppressForOption = TRUE;\r | |
1208 | }\r | |
1209 | break;\r | |
1210 | \r | |
1211 | case EFI_IFR_CHECKBOX_OP:\r | |
1212 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1213 | \r | |
1214 | CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;\r | |
1215 | CurrentStatement->StorageWidth = sizeof (BOOLEAN);\r | |
1216 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;\r | |
1217 | \r | |
1218 | InitializeRequestElement (FormSet, CurrentStatement);\r | |
1219 | break;\r | |
1220 | \r | |
1221 | case EFI_IFR_STRING_OP:\r | |
1222 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1223 | \r | |
1224 | //\r | |
1225 | // MinSize is the minimum number of characters that can be accepted for this opcode,\r | |
1226 | // MaxSize is the maximum number of characters that can be accepted for this opcode.\r | |
1227 | // The characters are stored as Unicode, so the storage width should multiply 2.\r | |
1228 | //\r | |
1229 | CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize;\r | |
1230 | CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize;\r | |
1231 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (UINT16));\r | |
1232 | CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags;\r | |
1233 | \r | |
1234 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;\r | |
1235 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);\r | |
1236 | \r | |
1237 | InitializeRequestElement (FormSet, CurrentStatement);\r | |
1238 | break;\r | |
1239 | \r | |
1240 | case EFI_IFR_PASSWORD_OP:\r | |
1241 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1242 | \r | |
1243 | //\r | |
1244 | // MinSize is the minimum number of characters that can be accepted for this opcode,\r | |
1245 | // MaxSize is the maximum number of characters that can be accepted for this opcode.\r | |
1246 | // The characters are stored as Unicode, so the storage width should multiply 2.\r | |
1247 | //\r | |
1248 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16));\r | |
1249 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16));\r | |
1250 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (UINT16));\r | |
1251 | \r | |
1252 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;\r | |
1253 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);\r | |
1254 | \r | |
1255 | InitializeRequestElement (FormSet, CurrentStatement);\r | |
1256 | break;\r | |
1257 | \r | |
1258 | case EFI_IFR_DATE_OP:\r | |
1259 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1260 | \r | |
1261 | CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags;\r | |
1262 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE;\r | |
1263 | \r | |
1264 | if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) {\r | |
1265 | CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE);\r | |
1266 | \r | |
1267 | InitializeRequestElement (FormSet, CurrentStatement);\r | |
1268 | } else {\r | |
1269 | //\r | |
1270 | // Don't assign storage for RTC type of date/time\r | |
1271 | //\r | |
1272 | CurrentStatement->Storage = NULL;\r | |
1273 | CurrentStatement->StorageWidth = 0;\r | |
1274 | }\r | |
1275 | break;\r | |
1276 | \r | |
1277 | case EFI_IFR_TIME_OP:\r | |
1278 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r | |
1279 | \r | |
1280 | CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags;\r | |
1281 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME;\r | |
1282 | \r | |
1283 | if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) {\r | |
1284 | CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME);\r | |
1285 | \r | |
1286 | InitializeRequestElement (FormSet, CurrentStatement);\r | |
1287 | } else {\r | |
1288 | //\r | |
1289 | // Don't assign storage for RTC type of date/time\r | |
1290 | //\r | |
1291 | CurrentStatement->Storage = NULL;\r | |
1292 | CurrentStatement->StorageWidth = 0;\r | |
1293 | }\r | |
1294 | break;\r | |
1295 | \r | |
1296 | //\r | |
1297 | // Default\r | |
1298 | //\r | |
1299 | case EFI_IFR_DEFAULT_OP:\r | |
1300 | //\r | |
1301 | // EFI_IFR_DEFAULT appear in scope of a Question,\r | |
1302 | // It creates a default value for the current question.\r | |
1303 | // A Question may have more than one Default value which have different default types.\r | |
1304 | //\r | |
1305 | CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));\r | |
1306 | CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;\r | |
1307 | \r | |
1308 | CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type;\r | |
1309 | CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16));\r | |
1310 | CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));\r | |
1311 | ExtendValueToU64 (&CurrentDefault->Value);\r | |
1312 | \r | |
1313 | //\r | |
1314 | // Insert to Default Value list of current Question\r | |
1315 | //\r | |
1316 | InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link);\r | |
1317 | \r | |
1318 | if (Scope) {\r | |
1319 | InScopeDefault = TRUE;\r | |
1320 | }\r | |
1321 | break;\r | |
1322 | \r | |
1323 | //\r | |
1324 | // Option\r | |
1325 | //\r | |
1326 | case EFI_IFR_ONE_OF_OPTION_OP:\r | |
1327 | //\r | |
1328 | // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.\r | |
1329 | // It create a selection for use in current Question.\r | |
1330 | //\r | |
1331 | CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION));\r | |
1332 | CurrentOption->Signature = QUESTION_OPTION_SIGNATURE;\r | |
1333 | \r | |
1334 | CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags;\r | |
1335 | CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type;\r | |
1336 | CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID));\r | |
1337 | CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));\r | |
1338 | ExtendValueToU64 (&CurrentOption->Value);\r | |
1339 | \r | |
1340 | if (InScopeOptionSuppress) {\r | |
1341 | CurrentOption->SuppressExpression = OptionSuppressExpression;\r | |
1342 | }\r | |
1343 | \r | |
1344 | //\r | |
1345 | // Insert to Option list of current Question\r | |
1346 | //\r | |
1347 | InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link);\r | |
1348 | break;\r | |
1349 | \r | |
1350 | //\r | |
1351 | // Conditional\r | |
1352 | //\r | |
1353 | case EFI_IFR_NO_SUBMIT_IF_OP:\r | |
1354 | case EFI_IFR_INCONSISTENT_IF_OP:\r | |
1355 | //\r | |
1356 | // Create an Expression node\r | |
1357 | //\r | |
1358 | CurrentExpression = CreateExpression (CurrentForm);\r | |
1359 | CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID));\r | |
1360 | \r | |
1361 | if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) {\r | |
1362 | CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF;\r | |
1363 | InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link);\r | |
1364 | } else {\r | |
1365 | CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF;\r | |
1366 | InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link);\r | |
1367 | }\r | |
1368 | break;\r | |
1369 | \r | |
1370 | case EFI_IFR_SUPPRESS_IF_OP:\r | |
1371 | //\r | |
1372 | // Question and Option will appear in scope of this OpCode\r | |
1373 | //\r | |
1374 | CurrentExpression = CreateExpression (CurrentForm);\r | |
1375 | CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF;\r | |
1376 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r | |
1377 | \r | |
1378 | if (SuppressForOption) {\r | |
1379 | InScopeOptionSuppress = TRUE;\r | |
1380 | OptionSuppressExpression = CurrentExpression;\r | |
1381 | } else {\r | |
1382 | mInScopeSuppress = TRUE;\r | |
1383 | mSuppressExpression = CurrentExpression;\r | |
1384 | }\r | |
1385 | break;\r | |
1386 | \r | |
1387 | case EFI_IFR_GRAY_OUT_IF_OP:\r | |
1388 | //\r | |
1389 | // Questions will appear in scope of this OpCode\r | |
1390 | //\r | |
1391 | CurrentExpression = CreateExpression (CurrentForm);\r | |
1392 | CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF;\r | |
1393 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r | |
1394 | \r | |
1395 | mInScopeGrayOut = TRUE;\r | |
1396 | mGrayOutExpression = CurrentExpression;\r | |
1397 | break;\r | |
1398 | \r | |
1399 | case EFI_IFR_DISABLE_IF_OP:\r | |
1400 | //\r | |
1401 | // The DisableIf expression should only rely on constant, so it could be\r | |
1402 | // evaluated at initialization and it will not be queued\r | |
1403 | //\r | |
1404 | CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION));\r | |
1405 | CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE;\r | |
1406 | CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF;\r | |
1407 | InitializeListHead (&CurrentExpression->OpCodeListHead);\r | |
1408 | \r | |
1409 | InScopeDisable = TRUE;\r | |
1410 | OpCodeDisabled = FALSE;\r | |
1411 | \r | |
1412 | //\r | |
1413 | // Take a look at next OpCode to see whether current expression consists\r | |
1414 | // of single OpCode\r | |
1415 | //\r | |
1416 | if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {\r | |
1417 | SingleOpCodeExpression = TRUE;\r | |
1418 | }\r | |
1419 | break;\r | |
1420 | \r | |
1421 | //\r | |
1422 | // Expression\r | |
1423 | //\r | |
1424 | case EFI_IFR_VALUE_OP:\r | |
1425 | CurrentExpression = CreateExpression (CurrentForm);\r | |
1426 | CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE;\r | |
1427 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r | |
1428 | \r | |
1429 | if (InScopeDefault) {\r | |
1430 | //\r | |
1431 | // Used for default (EFI_IFR_DEFAULT)\r | |
1432 | //\r | |
1433 | CurrentDefault->ValueExpression = CurrentExpression;\r | |
1434 | } else {\r | |
1435 | //\r | |
1436 | // If used for a question, then the question will be read-only\r | |
1437 | //\r | |
1438 | CurrentStatement->ValueExpression = CurrentExpression;\r | |
1439 | }\r | |
1440 | break;\r | |
1441 | \r | |
1442 | case EFI_IFR_RULE_OP:\r | |
1443 | CurrentExpression = CreateExpression (CurrentForm);\r | |
1444 | CurrentExpression->Type = EFI_HII_EXPRESSION_RULE;\r | |
1445 | \r | |
1446 | CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId;\r | |
1447 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r | |
1448 | break;\r | |
1449 | \r | |
1450 | //\r | |
1451 | // Image\r | |
1452 | //\r | |
1453 | case EFI_IFR_IMAGE_OP:\r | |
1454 | //\r | |
1455 | // Get ScopeOpcode from top of stack\r | |
1456 | //\r | |
1457 | PopScope (&ScopeOpCode);\r | |
1458 | PushScope (ScopeOpCode);\r | |
1459 | \r | |
1460 | switch (ScopeOpCode) {\r | |
1461 | case EFI_IFR_FORM_SET_OP:\r | |
1462 | ImageId = &FormSet->ImageId;\r | |
1463 | break;\r | |
1464 | \r | |
1465 | case EFI_IFR_FORM_OP:\r | |
1466 | ImageId = &CurrentForm->ImageId;\r | |
1467 | break;\r | |
1468 | \r | |
1469 | case EFI_IFR_ONE_OF_OPTION_OP:\r | |
1470 | ImageId = &CurrentOption->ImageId;\r | |
1471 | break;\r | |
1472 | \r | |
1473 | default:\r | |
1474 | ImageId = &CurrentStatement->ImageId;\r | |
1475 | break;\r | |
1476 | }\r | |
1477 | \r | |
1478 | CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID));\r | |
1479 | break;\r | |
1480 | \r | |
1481 | //\r | |
1482 | // Refresh\r | |
1483 | //\r | |
1484 | case EFI_IFR_REFRESH_OP:\r | |
1485 | CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval;\r | |
1486 | break;\r | |
1487 | \r | |
1488 | //\r | |
1489 | // Vendor specific\r | |
1490 | //\r | |
1491 | case EFI_IFR_GUID_OP:\r | |
1492 | if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {\r | |
1493 | //\r | |
1494 | // Tiano specific GUIDed opcodes\r | |
1495 | //\r | |
1496 | switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) {\r | |
1497 | case EFI_IFR_EXTEND_OP_LABEL:\r | |
1498 | //\r | |
1499 | // just ignore label\r | |
1500 | //\r | |
1501 | break;\r | |
1502 | \r | |
1503 | #if 0\r | |
1504 | case EFI_IFR_EXTEND_OP_BANNER:\r | |
1505 | if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) {\r | |
1506 | CopyMem (\r | |
1507 | &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][\r | |
1508 | ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment],\r | |
1509 | &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title,\r | |
1510 | sizeof (EFI_STRING_ID)\r | |
1511 | );\r | |
1512 | }\r | |
1513 | break;\r | |
1514 | #endif\r | |
1515 | \r | |
1516 | case EFI_IFR_EXTEND_OP_CLASS:\r | |
1517 | CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));\r | |
1518 | break;\r | |
1519 | \r | |
1520 | case EFI_IFR_EXTEND_OP_SUBCLASS:\r | |
1521 | CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16));\r | |
1522 | break;\r | |
1523 | \r | |
1524 | default:\r | |
1525 | break;\r | |
1526 | }\r | |
1527 | }\r | |
1528 | break;\r | |
1529 | \r | |
1530 | //\r | |
1531 | // Scope End\r | |
1532 | //\r | |
1533 | case EFI_IFR_END_OP:\r | |
1534 | Status = PopScope (&ScopeOpCode);\r | |
1535 | if (EFI_ERROR (Status)) {\r | |
1536 | ResetScopeStack ();\r | |
1537 | return Status;\r | |
1538 | }\r | |
1539 | \r | |
1540 | switch (ScopeOpCode) {\r | |
1541 | case EFI_IFR_FORM_SET_OP:\r | |
1542 | //\r | |
1543 | // End of FormSet, update FormSet IFR binary length\r | |
1544 | // to stop parsing substantial OpCodes\r | |
1545 | //\r | |
1546 | FormSet->IfrBinaryLength = OpCodeOffset;\r | |
1547 | break;\r | |
1548 | \r | |
1549 | case EFI_IFR_FORM_OP:\r | |
1550 | //\r | |
1551 | // End of Form\r | |
1552 | //\r | |
1553 | CurrentForm = NULL;\r | |
1554 | break;\r | |
1555 | \r | |
1556 | case EFI_IFR_ONE_OF_OPTION_OP:\r | |
1557 | //\r | |
1558 | // End of Option\r | |
1559 | //\r | |
1560 | CurrentOption = NULL;\r | |
1561 | break;\r | |
1562 | \r | |
1563 | case EFI_IFR_SUBTITLE_OP:\r | |
1564 | mInScopeSubtitle = FALSE;\r | |
1565 | break;\r | |
1566 | \r | |
1567 | case EFI_IFR_NO_SUBMIT_IF_OP:\r | |
1568 | case EFI_IFR_INCONSISTENT_IF_OP:\r | |
1569 | //\r | |
1570 | // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF\r | |
1571 | //\r | |
1572 | break;\r | |
1573 | \r | |
1574 | case EFI_IFR_SUPPRESS_IF_OP:\r | |
1575 | if (SuppressForOption) {\r | |
1576 | InScopeOptionSuppress = FALSE;\r | |
1577 | } else {\r | |
1578 | mInScopeSuppress = FALSE;\r | |
1579 | }\r | |
1580 | break;\r | |
1581 | \r | |
1582 | case EFI_IFR_GRAY_OUT_IF_OP:\r | |
1583 | mInScopeGrayOut = FALSE;\r | |
1584 | break;\r | |
1585 | \r | |
1586 | case EFI_IFR_DISABLE_IF_OP:\r | |
1587 | InScopeDisable = FALSE;\r | |
1588 | OpCodeDisabled = FALSE;\r | |
1589 | break;\r | |
1590 | \r | |
1591 | case EFI_IFR_ONE_OF_OP:\r | |
1592 | case EFI_IFR_ORDERED_LIST_OP:\r | |
1593 | SuppressForOption = FALSE;\r | |
1594 | break;\r | |
1595 | \r | |
1596 | case EFI_IFR_DEFAULT_OP:\r | |
1597 | InScopeDefault = FALSE;\r | |
1598 | break;\r | |
1599 | \r | |
1600 | default:\r | |
1601 | if (IsExpressionOpCode (ScopeOpCode)) {\r | |
1602 | if (InScopeDisable) {\r | |
1603 | //\r | |
1604 | // Evaluate DisableIf expression\r | |
1605 | //\r | |
1606 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);\r | |
1607 | if (EFI_ERROR (Status)) {\r | |
1608 | return Status;\r | |
1609 | }\r | |
1610 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
1611 | return EFI_INVALID_PARAMETER;\r | |
1612 | }\r | |
1613 | \r | |
1614 | OpCodeDisabled = CurrentExpression->Result.Value.b;\r | |
1615 | //\r | |
1616 | // DisableIf Expression is only used once and not quequed, free it\r | |
1617 | //\r | |
1618 | DestroyExpression (CurrentExpression);\r | |
1619 | }\r | |
1620 | \r | |
1621 | //\r | |
1622 | // End of current Expression\r | |
1623 | //\r | |
1624 | CurrentExpression = NULL;\r | |
1625 | }\r | |
1626 | break;\r | |
1627 | }\r | |
1628 | break;\r | |
1629 | \r | |
1630 | default:\r | |
1631 | break;\r | |
1632 | }\r | |
1633 | }\r | |
1634 | \r | |
1635 | return EFI_SUCCESS;\r | |
1636 | }\r | |
1637 | \r | |
1638 | \r | |
1639 | \r | |
1640 | \r |