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59336178 | 1 | /** @file\r |
2 | Function and Macro defintions for to extract default values from UEFI Form package.\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 | \r | |
16 | #include <FrameworkDxe.h>\r | |
17 | \r | |
18 | #include <Protocol/FrameworkHii.h>\r | |
19 | #include <Protocol/HiiDatabase.h>\r | |
20 | \r | |
21 | #include <Library/BaseLib.h>\r | |
22 | #include <Library/BaseMemoryLib.h>\r | |
23 | #include <Library/DebugLib.h>\r | |
24 | #include <Library/MemoryAllocationLib.h>\r | |
25 | #include <Library/UefiBootServicesTableLib.h>\r | |
26 | \r | |
a9d85320 | 27 | #include "HiiDatabase.h"\r |
59336178 | 28 | #include "UefiIfrParser.h"\r |
29 | #include "UefiIfrDefault.h"\r | |
30 | \r | |
31 | //\r | |
32 | // Extern Variables\r | |
33 | //\r | |
34 | extern CONST EFI_HII_DATABASE_PROTOCOL *mHiiDatabase;\r | |
59336178 | 35 | extern CONST EFI_HII_IMAGE_PROTOCOL *mHiiImageProtocol;\r |
36 | extern CONST EFI_HII_STRING_PROTOCOL *mHiiStringProtocol;\r | |
37 | extern CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *mHiiConfigRoutingProtocol;\r | |
38 | \r | |
59336178 | 39 | /**\r |
40 | Set the data position at Offset with Width in Node->Buffer based \r | |
41 | the value passed in.\r | |
42 | \r | |
43 | @param Node The Buffer Storage Node.\r | |
44 | @param Value The input value.\r | |
45 | @param Offset The offset in Node->Buffer for the update.\r | |
46 | @param Width The length of the Value.\r | |
47 | \r | |
48 | @retval VOID\r | |
49 | \r | |
50 | **/\r | |
51 | VOID\r | |
52 | SetNodeBuffer (\r | |
53 | OUT UEFI_IFR_BUFFER_STORAGE_NODE *Node,\r | |
54 | IN CONST EFI_HII_VALUE *Value,\r | |
55 | IN UINTN Offset,\r | |
56 | IN UINTN Width\r | |
57 | )\r | |
58 | {\r | |
59 | ASSERT (Node->Signature == UEFI_IFR_BUFFER_STORAGE_NODE_SIGNATURE);\r | |
60 | ASSERT (Offset + Width <= Node->Size);\r | |
61 | \r | |
62 | CopyMem (Node->Buffer + Offset, &Value->Value.u8, Width);\r | |
63 | }\r | |
64 | \r | |
65 | \r | |
66 | /**\r | |
67 | Reset Question to its default value.\r | |
68 | \r | |
a9d85320 | 69 | Note Framework 0.92's HII Implementation does not support for default value for these opcodes:\r |
70 | EFI_IFR_ORDERED_LIST_OP:\r | |
71 | EFI_IFR_PASSWORD_OP:\r | |
72 | EFI_IFR_STRING_OP:\r | |
73 | \r | |
59336178 | 74 | @param FormSet FormSet data structure.\r |
75 | @param DefaultId The Class of the default.\r | |
76 | \r | |
77 | @retval EFI_SUCCESS Question is reset to default value.\r | |
78 | \r | |
79 | **/\r | |
80 | EFI_STATUS\r | |
81 | GetQuestionDefault (\r | |
82 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
83 | IN FORM_BROWSER_FORM *Form,\r | |
84 | IN FORM_BROWSER_STATEMENT *Question,\r | |
85 | IN UINT16 DefaultId,\r | |
86 | IN UINT16 VarStoreId,\r | |
87 | OUT UEFI_IFR_BUFFER_STORAGE_NODE *Node\r | |
88 | )\r | |
89 | {\r | |
90 | EFI_STATUS Status;\r | |
91 | LIST_ENTRY *Link;\r | |
92 | QUESTION_DEFAULT *Default;\r | |
93 | QUESTION_OPTION *Option;\r | |
94 | EFI_HII_VALUE *HiiValue;\r | |
95 | \r | |
96 | Status = EFI_SUCCESS;\r | |
97 | \r | |
98 | //\r | |
99 | // Statement don't have storage, skip them\r | |
100 | //\r | |
101 | if (Question->QuestionId == 0) {\r | |
102 | return Status;\r | |
103 | }\r | |
104 | \r | |
105 | if (Question->VarStoreId != VarStoreId) {\r | |
106 | return Status;\r | |
107 | }\r | |
108 | \r | |
109 | ASSERT (Question->Storage->Type == EFI_HII_VARSTORE_BUFFER);\r | |
110 | \r | |
111 | //\r | |
112 | // There are three ways to specify default value for a Question:\r | |
113 | // 1, use nested EFI_IFR_DEFAULT (highest priority)\r | |
114 | // 2, set flags of EFI_ONE_OF_OPTION (provide Standard and Manufacturing default)\r | |
115 | // 3, set flags of EFI_IFR_CHECKBOX (provide Standard and Manufacturing default) (lowest priority)\r | |
116 | //\r | |
117 | HiiValue = &Question->HiiValue;\r | |
118 | \r | |
119 | //\r | |
120 | // EFI_IFR_DEFAULT has highest priority\r | |
121 | //\r | |
122 | if (!IsListEmpty (&Question->DefaultListHead)) {\r | |
123 | Link = GetFirstNode (&Question->DefaultListHead);\r | |
124 | while (!IsNull (&Question->DefaultListHead, Link)) {\r | |
125 | Default = QUESTION_DEFAULT_FROM_LINK (Link);\r | |
126 | \r | |
127 | if (Default->DefaultId == DefaultId) {\r | |
a9d85320 | 128 | //\r |
129 | // Default value is embedded in EFI_IFR_DEFAULT\r | |
130 | //\r | |
131 | CopyMem (HiiValue, &Default->Value, sizeof (EFI_HII_VALUE));\r | |
59336178 | 132 | \r |
133 | SetNodeBuffer (Node, HiiValue, Question->VarStoreInfo.VarOffset, Question->StorageWidth);\r | |
134 | return EFI_SUCCESS;\r | |
135 | }\r | |
136 | \r | |
137 | Link = GetNextNode (&Question->DefaultListHead, Link);\r | |
138 | }\r | |
139 | }\r | |
140 | \r | |
141 | //\r | |
142 | // EFI_ONE_OF_OPTION\r | |
143 | //\r | |
144 | if ((Question->Operand == EFI_IFR_ONE_OF_OP) && !IsListEmpty (&Question->OptionListHead)) {\r | |
145 | if (DefaultId <= EFI_HII_DEFAULT_CLASS_MANUFACTURING) {\r | |
146 | //\r | |
147 | // OneOfOption could only provide Standard and Manufacturing default\r | |
148 | //\r | |
149 | Link = GetFirstNode (&Question->OptionListHead);\r | |
150 | while (!IsNull (&Question->OptionListHead, Link)) {\r | |
151 | Option = QUESTION_OPTION_FROM_LINK (Link);\r | |
152 | \r | |
153 | if (((DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) && (Option->Flags & EFI_IFR_OPTION_DEFAULT)) ||\r | |
154 | ((DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) && (Option->Flags & EFI_IFR_OPTION_DEFAULT_MFG))\r | |
155 | ) {\r | |
156 | CopyMem (HiiValue, &Option->Value, sizeof (EFI_HII_VALUE));\r | |
157 | \r | |
158 | SetNodeBuffer (Node, HiiValue, Question->VarStoreInfo.VarOffset, Question->StorageWidth);\r | |
159 | return EFI_SUCCESS;\r | |
160 | }\r | |
161 | \r | |
162 | Link = GetNextNode (&Question->OptionListHead, Link);\r | |
163 | }\r | |
164 | }\r | |
165 | }\r | |
166 | \r | |
167 | //\r | |
168 | // EFI_IFR_CHECKBOX - lowest priority\r | |
169 | //\r | |
170 | if (Question->Operand == EFI_IFR_CHECKBOX_OP) {\r | |
171 | if (DefaultId <= EFI_HII_DEFAULT_CLASS_MANUFACTURING) {\r | |
172 | //\r | |
173 | // Checkbox could only provide Standard and Manufacturing default\r | |
174 | //\r | |
175 | if (((DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) && (Question->Flags & EFI_IFR_CHECKBOX_DEFAULT)) ||\r | |
176 | ((DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) && (Question->Flags & EFI_IFR_CHECKBOX_DEFAULT_MFG))\r | |
177 | ) {\r | |
178 | HiiValue->Value.b = TRUE;\r | |
179 | } else {\r | |
180 | HiiValue->Value.b = FALSE;\r | |
181 | }\r | |
182 | \r | |
183 | SetNodeBuffer (Node, HiiValue, Question->VarStoreInfo.VarOffset, Question->StorageWidth);\r | |
184 | return EFI_SUCCESS;\r | |
185 | }\r | |
186 | }\r | |
187 | \r | |
188 | return Status;\r | |
189 | }\r | |
190 | \r | |
191 | \r | |
192 | /**\r | |
193 | Reset Questions in a Form to their default value.\r | |
194 | \r | |
195 | @param FormSet FormSet data structure.\r | |
196 | @param Form The Form which to be reset.\r | |
197 | @param DefaultId The Class of the default.\r | |
198 | \r | |
199 | @retval EFI_SUCCESS The function completed successfully.\r | |
200 | \r | |
201 | **/\r | |
202 | EFI_STATUS\r | |
203 | ExtractFormDefault (\r | |
204 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
205 | IN FORM_BROWSER_FORM *Form,\r | |
206 | IN UINT16 DefaultId,\r | |
207 | IN UINT16 VarStoreId,\r | |
208 | OUT UEFI_IFR_BUFFER_STORAGE_NODE *Node\r | |
209 | )\r | |
210 | {\r | |
211 | EFI_STATUS Status;\r | |
212 | LIST_ENTRY *Link;\r | |
213 | FORM_BROWSER_STATEMENT *Question;\r | |
214 | \r | |
215 | Link = GetFirstNode (&Form->StatementListHead);\r | |
216 | while (!IsNull (&Form->StatementListHead, Link)) {\r | |
217 | Question = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r | |
59336178 | 218 | //\r |
219 | // Reset Question to its default value\r | |
220 | //\r | |
221 | Status = GetQuestionDefault (FormSet, Form, Question, DefaultId, VarStoreId, Node);\r | |
222 | if (EFI_ERROR (Status)) {\r | |
223 | continue;\r | |
224 | }\r | |
225 | \r | |
0368663f | 226 | Link = GetNextNode (&Form->StatementListHead, Link);\r |
59336178 | 227 | }\r |
228 | return EFI_SUCCESS;\r | |
229 | }\r | |
230 | \r | |
231 | \r | |
232 | /**\r | |
233 | Destroy all the buffer allocated for the fileds of\r | |
234 | UEFI_IFR_BUFFER_STORAGE_NODE. The Node itself\r | |
235 | will be freed too.\r | |
236 | \r | |
237 | @param FormSet FormSet data structure.\r | |
238 | @param DefaultId The Class of the default.\r | |
239 | \r | |
240 | @retval VOID\r | |
241 | \r | |
242 | **/\r | |
243 | VOID\r | |
244 | DestroyDefaultNode (\r | |
245 | IN UEFI_IFR_BUFFER_STORAGE_NODE *Node\r | |
246 | )\r | |
247 | {\r | |
7001eaf8 | 248 | FreePool (Node->Buffer);\r |
249 | FreePool (Node->Name);\r | |
250 | FreePool (Node);\r | |
59336178 | 251 | }\r |
252 | \r | |
253 | \r | |
254 | /**\r | |
255 | Get the default value for Buffer Type storage named by\r | |
256 | a Default Store and a Storage Store from a FormSet.\r | |
257 | The result is in the a instance of UEFI_IFR_BUFFER_STORAGE_NODE\r | |
258 | allocated by this function. It is inserted to the link list.\r | |
259 | \r | |
260 | @param DefaultStore The Default Store.\r | |
261 | @param Storage The Storage.\r | |
262 | @param FormSet The Form Set.\r | |
263 | @param UefiDefaultsListHead The head of link list for the output.\r | |
264 | \r | |
265 | @retval EFI_SUCCESS Successful.\r | |
266 | \r | |
267 | **/\r | |
268 | EFI_STATUS\r | |
269 | GetBufferTypeDefaultIdAndStorageId (\r | |
270 | IN FORMSET_DEFAULTSTORE *DefaultStore,\r | |
271 | IN FORMSET_STORAGE *Storage,\r | |
272 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
273 | OUT LIST_ENTRY *UefiDefaultsListHead\r | |
274 | )\r | |
275 | {\r | |
276 | UEFI_IFR_BUFFER_STORAGE_NODE *Node;\r | |
277 | LIST_ENTRY *Link;\r | |
278 | FORM_BROWSER_FORM *Form;\r | |
279 | EFI_STATUS Status;\r | |
280 | \r | |
281 | Node = AllocateZeroPool (sizeof (UEFI_IFR_BUFFER_STORAGE_NODE));\r | |
282 | ASSERT (Node != NULL);\r | |
283 | \r | |
284 | Node->Signature = UEFI_IFR_BUFFER_STORAGE_NODE_SIGNATURE;\r | |
285 | Node->Name = AllocateCopyPool (StrSize (Storage->Name), Storage->Name);\r | |
286 | Node->DefaultId = DefaultStore->DefaultId;\r | |
b47694b9 | 287 | Node->StoreId = Storage->VarStoreId;\r |
59336178 | 288 | CopyGuid (&Node->Guid, &Storage->Guid);\r |
289 | Node->Size = Storage->Size;\r | |
290 | Node->Buffer = AllocateZeroPool (Node->Size);\r | |
291 | //\r | |
292 | // Extract default from IFR binary\r | |
293 | //\r | |
294 | Link = GetFirstNode (&FormSet->FormListHead);\r | |
295 | while (!IsNull (&FormSet->FormListHead, Link)) {\r | |
296 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r | |
297 | \r | |
298 | Status = ExtractFormDefault (FormSet, Form, DefaultStore->DefaultId, Storage->VarStoreId, Node);\r | |
299 | ASSERT_EFI_ERROR (Status);\r | |
300 | \r | |
301 | Link = GetNextNode (&FormSet->FormListHead, Link);\r | |
302 | }\r | |
303 | \r | |
304 | InsertTailList (UefiDefaultsListHead, &Node->List);\r | |
305 | \r | |
306 | return EFI_SUCCESS;\r | |
307 | }\r | |
308 | \r | |
309 | \r | |
310 | /**\r | |
311 | Get the default value for Buffer Type storage named by\r | |
312 | a Default Store from a FormSet.\r | |
313 | The result is in the a instance of UEFI_IFR_BUFFER_STORAGE_NODE\r | |
314 | allocated by this function. The output can be multiple instances\r | |
315 | of UEFI_IFR_BUFFER_STORAGE_NODE. It is inserted to the link list.\r | |
316 | \r | |
317 | @param DefaultStore The Default Store.\r | |
318 | @param FormSet The Form Set.\r | |
319 | @param UefiDefaultsListHead The head of link list for the output.\r | |
320 | \r | |
321 | @retval EFI_SUCCESS Successful.\r | |
322 | \r | |
323 | **/\r | |
324 | EFI_STATUS\r | |
325 | GetBufferTypeDefaultId (\r | |
326 | IN FORMSET_DEFAULTSTORE *DefaultStore,\r | |
327 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
328 | OUT LIST_ENTRY *UefiDefaultsListHead\r | |
329 | )\r | |
330 | {\r | |
0368663f | 331 | LIST_ENTRY *StorageLink;\r |
59336178 | 332 | FORMSET_STORAGE *Storage;\r |
333 | EFI_STATUS Status;\r | |
334 | \r | |
0368663f | 335 | StorageLink = GetFirstNode (&FormSet->StorageListHead);\r |
59336178 | 336 | \r |
0368663f | 337 | while (!IsNull (&FormSet->StorageListHead, StorageLink)) {\r |
338 | Storage = FORMSET_STORAGE_FROM_LINK(StorageLink);\r | |
59336178 | 339 | \r |
340 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {\r | |
341 | Status = GetBufferTypeDefaultIdAndStorageId (DefaultStore, Storage, FormSet, UefiDefaultsListHead);\r | |
98b16b9d | 342 | ASSERT_EFI_ERROR (Status);\r |
59336178 | 343 | }\r |
344 | \r | |
0368663f | 345 | StorageLink = GetNextNode (&FormSet->StorageListHead, StorageLink);\r |
59336178 | 346 | }\r |
347 | \r | |
348 | return EFI_SUCCESS;\r | |
349 | }\r | |
350 | \r | |
351 | \r | |
352 | /**\r | |
353 | Get the default value for Buffer Type storage from the first FormSet\r | |
354 | in the Package List specified by a EFI_HII_HANDLE.\r | |
355 | \r | |
356 | The results can be multiple instances of UEFI_IFR_BUFFER_STORAGE_NODE. \r | |
357 | They are inserted to the link list.\r | |
358 | \r | |
359 | @param UefiHiiHandle The handle for the package list.\r | |
360 | @param UefiDefaultsListHead The head of link list for the output.\r | |
361 | \r | |
362 | @retval EFI_SUCCESS Successful.\r | |
363 | \r | |
364 | **/\r | |
365 | EFI_STATUS\r | |
366 | UefiIfrGetBufferTypeDefaults (\r | |
a9d85320 | 367 | IN HII_THUNK_CONTEXT *ThunkContext,\r |
59336178 | 368 | OUT LIST_ENTRY **UefiDefaults\r |
369 | )\r | |
370 | {\r | |
0368663f | 371 | LIST_ENTRY *DefaultLink;\r |
59336178 | 372 | FORMSET_DEFAULTSTORE *DefaultStore;\r |
373 | EFI_STATUS Status;\r | |
374 | \r | |
375 | ASSERT (UefiDefaults != NULL);\r | |
376 | \r | |
59336178 | 377 | *UefiDefaults = AllocateZeroPool (sizeof (LIST_ENTRY));\r |
378 | ASSERT (UefiDefaults != NULL);\r | |
379 | InitializeListHead (*UefiDefaults);\r | |
380 | \r | |
a9d85320 | 381 | DefaultLink = GetFirstNode (&ThunkContext->FormSet->DefaultStoreListHead);\r |
382 | while (!IsNull (&ThunkContext->FormSet->DefaultStoreListHead, DefaultLink)) {\r | |
0368663f | 383 | DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK(DefaultLink);\r |
59336178 | 384 | \r |
a9d85320 | 385 | Status = GetBufferTypeDefaultId (DefaultStore, ThunkContext->FormSet, *UefiDefaults);\r |
59336178 | 386 | ASSERT_EFI_ERROR (Status);\r |
387 | \r | |
a9d85320 | 388 | DefaultLink = GetNextNode (&ThunkContext->FormSet->DefaultStoreListHead, DefaultLink); \r |
59336178 | 389 | }\r |
390 | \r | |
59336178 | 391 | return EFI_SUCCESS;\r |
392 | }\r | |
393 | \r | |
394 | \r | |
395 | /**\r | |
396 | Convert the UEFI Buffer Type default values to a Framework HII default\r | |
397 | values specified by a EFI_HII_VARIABLE_PACK_LIST structure.\r | |
398 | \r | |
399 | @param ListHead The link list of UEFI_IFR_BUFFER_STORAGE_NODE\r | |
400 | which contains the default values retrived from\r | |
401 | a UEFI form set.\r | |
402 | @param DefaultMask The default mask.\r | |
403 | The valid values are FRAMEWORK_EFI_IFR_FLAG_DEFAULT\r | |
404 | and FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING.\r | |
405 | UEFI spec only map FRAMEWORK_EFI_IFR_FLAG_DEFAULT and FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING \r | |
406 | from specification to valid default class.\r | |
407 | @param VariablePackList The output default value in a format defined in Framework.\r | |
408 | \r | |
409 | \r | |
410 | @retval EFI_SUCCESS Successful.\r | |
411 | @retval EFI_INVALID_PARAMETER The default mask is not FRAMEWORK_EFI_IFR_FLAG_DEFAULT or \r | |
412 | FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING.\r | |
413 | **/\r | |
414 | EFI_STATUS\r | |
0368663f | 415 | UefiDefaultsToFwDefaults (\r |
59336178 | 416 | IN LIST_ENTRY *ListHead,\r |
417 | IN UINTN DefaultMask,\r | |
a9d85320 | 418 | IN EFI_VARSTORE_ID UefiFormSetDefaultVarStoreId,\r |
59336178 | 419 | OUT EFI_HII_VARIABLE_PACK_LIST **VariablePackList\r |
420 | )\r | |
421 | {\r | |
422 | LIST_ENTRY *List;\r | |
423 | UEFI_IFR_BUFFER_STORAGE_NODE *Node;\r | |
424 | UINTN Size;\r | |
425 | UINTN Count;\r | |
426 | UINT16 DefaultId;\r | |
427 | EFI_HII_VARIABLE_PACK *Pack;\r | |
428 | EFI_HII_VARIABLE_PACK_LIST *PackList;\r | |
1e22d0b0 | 429 | UINTN Index;\r |
59336178 | 430 | \r |
431 | if (DefaultMask == FRAMEWORK_EFI_IFR_FLAG_DEFAULT) {\r | |
432 | DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r | |
433 | } else if (DefaultMask == FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING) {\r | |
434 | DefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING;\r | |
435 | } else {\r | |
436 | //\r | |
437 | // UEFI spec only map FRAMEWORK_EFI_IFR_FLAG_DEFAULT and FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING \r | |
438 | // from specification to valid default class.\r | |
439 | //\r | |
440 | ASSERT (FALSE);\r | |
441 | return EFI_INVALID_PARAMETER;\r | |
442 | }\r | |
443 | \r | |
444 | //\r | |
445 | // Calculate the size of the output EFI_HII_VARIABLE_PACK_LIST structure\r | |
446 | //\r | |
447 | Size = 0;\r | |
448 | Count = 0;\r | |
449 | List = GetFirstNode (ListHead);\r | |
450 | while (!IsNull (ListHead, List)) {\r | |
451 | Node = UEFI_IFR_BUFFER_STORAGE_NODE_FROM_LIST(List);\r | |
452 | \r | |
453 | if (Node->DefaultId == DefaultId) {\r | |
454 | Size += Node->Size;\r | |
455 | Size += StrSize (Node->Name);\r | |
456 | \r | |
457 | Count++;\r | |
458 | }\r | |
459 | \r | |
460 | List = GetNextNode (ListHead, List); \r | |
461 | }\r | |
462 | \r | |
1e22d0b0 | 463 | if (Count == 0) {\r |
464 | *VariablePackList = NULL;\r | |
465 | return EFI_NOT_FOUND;\r | |
466 | }\r | |
467 | \r | |
59336178 | 468 | Size = Size + Count * (sizeof (EFI_HII_VARIABLE_PACK_LIST) + sizeof (EFI_HII_VARIABLE_PACK));\r |
469 | \r | |
470 | *VariablePackList = AllocateZeroPool (Size);\r | |
471 | ASSERT (*VariablePackList != NULL);\r | |
472 | \r | |
473 | List = GetFirstNode (ListHead);\r | |
474 | \r | |
475 | PackList = (EFI_HII_VARIABLE_PACK_LIST *) *VariablePackList;\r | |
476 | Pack = (EFI_HII_VARIABLE_PACK *) (PackList + 1);\r | |
1e22d0b0 | 477 | Index = 0;\r |
59336178 | 478 | while (!IsNull (ListHead, List)) {\r |
479 | Node = UEFI_IFR_BUFFER_STORAGE_NODE_FROM_LIST(List);\r | |
480 | \r | |
481 | Size = 0; \r | |
482 | if (Node->DefaultId == DefaultId) {\r | |
483 | Size += Node->Size;\r | |
484 | Size += StrSize (Node->Name);\r | |
485 | Size += sizeof (EFI_HII_VARIABLE_PACK); \r | |
486 | \r | |
487 | //\r | |
488 | // In UEFI, 0 is defined to be invalid for EFI_IFR_VARSTORE.VarStoreId.\r | |
489 | // So the default storage of Var Store in VFR from a Framework module \r | |
a9d85320 | 490 | // should be translated to 0x0001 (FRAMEWORK_RESERVED_VARSTORE_ID).\r |
59336178 | 491 | //\r |
a9d85320 | 492 | if (Node->StoreId == UefiFormSetDefaultVarStoreId) {\r |
59336178 | 493 | Pack->VariableId = 0;\r |
b47694b9 | 494 | } else {\r |
495 | Pack->VariableId = Node->StoreId;\r | |
59336178 | 496 | }\r |
497 | //\r | |
498 | // Initialize EFI_HII_VARIABLE_PACK\r | |
499 | //\r | |
500 | Pack->Header.Type = 0;\r | |
dee6b58d | 501 | Pack->Header.Length = (UINT32) Size;\r |
502 | Pack->VariableNameLength = (UINT32) StrSize (Node->Name);\r | |
59336178 | 503 | CopyMem (&Pack->VariableGuid, &Node->Guid, sizeof (EFI_GUID));\r |
504 | \r | |
505 | CopyMem ((UINT8 *) Pack + sizeof (EFI_HII_VARIABLE_PACK), Node->Name, StrSize (Node->Name));\r | |
506 | CopyMem ((UINT8 *) Pack + sizeof (EFI_HII_VARIABLE_PACK) + Pack->VariableNameLength, Node->Buffer, Node->Size);\r | |
507 | \r | |
508 | Size += sizeof (EFI_HII_VARIABLE_PACK_LIST);\r | |
509 | \r | |
510 | //\r | |
1e22d0b0 | 511 | // Initialize EFI_HII_VARIABLE_PACK_LIST\r |
59336178 | 512 | //\r |
513 | PackList->VariablePack = Pack;\r | |
1e22d0b0 | 514 | Index++;\r |
515 | if (Index < Count) {\r | |
516 | PackList->NextVariablePack = (EFI_HII_VARIABLE_PACK_LIST *)((UINT8 *) PackList + Size);\r | |
517 | }\r | |
59336178 | 518 | \r |
519 | }\r | |
520 | \r | |
521 | List = GetNextNode (ListHead, List); \r | |
522 | }\r | |
523 | \r | |
524 | \r | |
525 | return EFI_SUCCESS;\r | |
526 | }\r | |
527 | \r | |
528 | \r | |
529 | /**\r | |
530 | Free up all buffer allocated for the link list of UEFI_IFR_BUFFER_STORAGE_NODE.\r | |
531 | \r | |
532 | @param ListHead The link list of UEFI_IFR_BUFFER_STORAGE_NODE\r | |
533 | which contains the default values retrived from\r | |
534 | a UEFI form set.\r | |
535 | \r | |
536 | \r | |
b47694b9 | 537 | @retval VOID\r |
59336178 | 538 | **/\r |
539 | VOID\r | |
540 | FreeDefaultList (\r | |
541 | IN LIST_ENTRY *ListHead\r | |
542 | )\r | |
543 | {\r | |
0368663f | 544 | LIST_ENTRY *Link;\r |
59336178 | 545 | UEFI_IFR_BUFFER_STORAGE_NODE *Default;\r |
546 | \r | |
b074cb39 | 547 | while (!IsListEmpty (ListHead)) {\r |
548 | Link = GetFirstNode (ListHead);\r | |
549 | \r | |
0368663f | 550 | Default = UEFI_IFR_BUFFER_STORAGE_NODE_FROM_LIST(Link);\r |
59336178 | 551 | \r |
0368663f | 552 | RemoveEntryList (Link);\r |
59336178 | 553 | \r |
554 | DestroyDefaultNode (Default);\r | |
59336178 | 555 | }\r |
556 | \r | |
557 | FreePool (ListHead);\r | |
558 | }\r | |
559 | \r |