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80408db0 | 1 | /** @file\r |
2ab6330e | 2 | Help functions used by PCD DXE driver.\r |
80408db0 | 3 | \r |
4 | Copyright (c) 2006 - 2007, 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 | |
80408db0 | 13 | **/\r |
80408db0 | 14 | \r |
15 | #include "Service.h"\r | |
16 | \r | |
80408db0 | 17 | PCD_DATABASE * mPcdDatabase;\r |
18 | \r | |
19 | LIST_ENTRY *mCallbackFnTable;\r | |
20 | \r | |
2ab6330e | 21 | /**\r |
22 | Get the PCD entry pointer in PCD database.\r | |
23 | \r | |
24 | This routine will visit PCD database to find the PCD entry according to given\r | |
25 | token number. The given token number is autogened by build tools and it will be \r | |
26 | translated to local token number. Local token number contains PCD's type and \r | |
27 | offset of PCD entry in PCD database.\r | |
28 | \r | |
29 | @param TokenNumber Token's number, it is autogened by build tools\r | |
30 | @param GetSize The size of token's value\r | |
31 | \r | |
32 | @return PCD entry pointer in PCD database\r | |
33 | \r | |
34 | **/\r | |
80408db0 | 35 | VOID *\r |
36 | GetWorker (\r | |
2ab6330e | 37 | IN UINTN TokenNumber,\r |
38 | IN UINTN GetSize\r | |
80408db0 | 39 | )\r |
40 | {\r | |
41 | UINT32 *LocalTokenNumberTable;\r | |
42 | EFI_GUID *GuidTable;\r | |
43 | UINT16 *StringTable;\r | |
44 | EFI_GUID *Guid;\r | |
45 | UINT16 *Name;\r | |
46 | VARIABLE_HEAD *VariableHead;\r | |
47 | UINT8 *VaraiableDefaultBuffer;\r | |
48 | UINT8 *Data;\r | |
49 | VPD_HEAD *VpdHead;\r | |
50 | UINT8 *PcdDb;\r | |
51 | VOID *RetPtr;\r | |
52 | UINTN MaxSize;\r | |
53 | UINTN TmpTokenNumber;\r | |
54 | UINTN DataSize;\r | |
55 | EFI_STATUS Status;\r | |
56 | UINT32 LocalTokenNumber;\r | |
57 | UINT32 Offset;\r | |
58 | UINT16 StringTableIdx; \r | |
59 | BOOLEAN IsPeiDb;\r | |
60 | \r | |
61 | //\r | |
62 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
63 | //\r | |
64 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
65 | \r | |
66 | RetPtr = NULL;\r | |
67 | //\r | |
68 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
69 | // We have to decrement TokenNumber by 1 to make it usable\r | |
70 | // as the array index.\r | |
71 | //\r | |
72 | TokenNumber--;\r | |
73 | \r | |
74 | TmpTokenNumber = TokenNumber;\r | |
75 | \r | |
76 | //\r | |
77 | // PCD_TOTAL_TOKEN_NUMBER is a auto-generated constant.\r | |
78 | // It could be zero. EBC compiler is very choosy. It may\r | |
79 | // report warning. So we add 1 in each size of the \r | |
80 | // comparison.\r | |
81 | //\r | |
82 | ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);\r | |
83 | \r | |
84 | ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));\r | |
85 | \r | |
86 | // EBC compiler is very choosy. It may report warning about comparison\r | |
87 | // between UINTN and 0 . So we add 1 in each size of the \r | |
88 | // comparison.\r | |
89 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1) ? TRUE : FALSE);\r | |
90 | \r | |
91 | LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable : \r | |
92 | mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
93 | \r | |
94 | TokenNumber = IsPeiDb ? TokenNumber :\r | |
95 | TokenNumber - PEI_LOCAL_TOKEN_NUMBER;\r | |
96 | \r | |
97 | LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r | |
98 | \r | |
99 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r | |
100 | if (GetSize == 0) {\r | |
101 | GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
102 | } else {\r | |
103 | MaxSize = GetSize;\r | |
104 | }\r | |
105 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r | |
106 | }\r | |
107 | \r | |
108 | PcdDb = IsPeiDb ? ((UINT8 *) &mPcdDatabase->PeiDb) : ((UINT8 *) &mPcdDatabase->DxeDb);\r | |
309e3122 | 109 | \r |
110 | if (IsPeiDb) {\r | |
111 | StringTable = (UINT16 *) (&mPcdDatabase->PeiDb.Init.StringTable[0]);\r | |
112 | } else {\r | |
113 | StringTable = (UINT16 *) (&mPcdDatabase->DxeDb.Init.StringTable[0]);\r | |
114 | }\r | |
115 | \r | |
80408db0 | 116 | \r |
117 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
118 | \r | |
119 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
120 | case PCD_TYPE_VPD:\r | |
121 | VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);\r | |
122 | RetPtr = (VOID *) (UINTN) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);\r | |
123 | break;\r | |
124 | \r | |
125 | case PCD_TYPE_HII:\r | |
309e3122 | 126 | if (IsPeiDb) {\r |
127 | GuidTable = (EFI_GUID *) (&mPcdDatabase->PeiDb.Init.GuidTable[0]);\r | |
128 | } else {\r | |
129 | GuidTable = (EFI_GUID *) (&mPcdDatabase->DxeDb.Init.GuidTable[0]);\r | |
130 | }\r | |
80408db0 | 131 | \r |
132 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r | |
133 | \r | |
1fef733c LG |
134 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
135 | Name = StringTable + VariableHead->StringIndex;\r | |
80408db0 | 136 | VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r |
137 | \r | |
138 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
139 | if (Status == EFI_SUCCESS) {\r | |
140 | if (GetSize == 0) {\r | |
141 | //\r | |
142 | // It is a pointer type. So get the MaxSize reserved for\r | |
143 | // this PCD entry.\r | |
144 | //\r | |
145 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r | |
146 | }\r | |
147 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r | |
148 | FreePool (Data);\r | |
149 | }\r | |
150 | //\r | |
151 | // If the operation is successful, we copy the data\r | |
152 | // to the default value buffer in the PCD Database.\r | |
153 | // So that we can free the Data allocated in GetHiiVariable.\r | |
154 | //\r | |
155 | //\r | |
156 | // If the operation is not successful, \r | |
157 | // Return 1) either the default value specified by Platform Integrator \r | |
158 | // 2) Or the value Set by a PCD set operation.\r | |
159 | //\r | |
160 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r | |
161 | break;\r | |
162 | \r | |
163 | case PCD_TYPE_STRING:\r | |
164 | StringTableIdx = (UINT16) *((UINT8 *) PcdDb + Offset);\r | |
1fef733c | 165 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 166 | break;\r |
167 | \r | |
168 | case PCD_TYPE_DATA:\r | |
169 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
170 | break;\r | |
171 | \r | |
172 | default:\r | |
173 | ASSERT (FALSE);\r | |
174 | break;\r | |
175 | \r | |
176 | }\r | |
177 | \r | |
178 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
179 | \r | |
180 | return RetPtr;\r | |
181 | \r | |
182 | }\r | |
183 | \r | |
2ab6330e | 184 | /**\r |
185 | Register the callback function for a PCD entry.\r | |
186 | \r | |
187 | This routine will register a callback function to a PCD entry by given token number\r | |
188 | and token space guid.\r | |
189 | \r | |
190 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
191 | @param Guid PCD token space's guid, \r | |
192 | if not NULL, this PCD is dynamicEx type PCD.\r | |
193 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 194 | \r |
2ab6330e | 195 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 196 | \r |
2ab6330e | 197 | **/\r |
80408db0 | 198 | EFI_STATUS\r |
199 | DxeRegisterCallBackWorker (\r | |
200 | IN UINTN TokenNumber,\r | |
2ab6330e | 201 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 202 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
203 | )\r | |
204 | {\r | |
205 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
206 | LIST_ENTRY *ListHead;\r | |
207 | LIST_ENTRY *ListNode;\r | |
208 | \r | |
209 | if (Guid != NULL) {\r | |
210 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
211 | }\r | |
212 | \r | |
213 | //\r | |
214 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
215 | // We have to decrement TokenNumber by 1 to make it usable\r | |
216 | // as the array index.\r | |
217 | //\r | |
218 | TokenNumber--;\r | |
219 | \r | |
220 | ListHead = &mCallbackFnTable[TokenNumber];\r | |
221 | ListNode = GetFirstNode (ListHead);\r | |
222 | \r | |
223 | while (ListNode != ListHead) {\r | |
224 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
225 | \r | |
226 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
227 | //\r | |
228 | // We only allow a Callback function to be register once\r | |
229 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
230 | //\r | |
231 | return EFI_SUCCESS;\r | |
232 | }\r | |
233 | ListNode = GetNextNode (ListHead, ListNode);\r | |
234 | }\r | |
235 | \r | |
236 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
237 | ASSERT (FnTableEntry != NULL);\r | |
238 | \r | |
239 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
240 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
241 | \r | |
242 | return EFI_SUCCESS;\r | |
243 | }\r | |
244 | \r | |
2ab6330e | 245 | /**\r |
246 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 247 | \r |
2ab6330e | 248 | This routine will unregister a callback function to a PCD entry by given token number\r |
249 | and token space guid.\r | |
80408db0 | 250 | \r |
2ab6330e | 251 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
252 | @param Guid PCD token space's guid.\r | |
253 | if not NULL, this PCD is dynamicEx type PCD.\r | |
254 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 255 | \r |
2ab6330e | 256 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
257 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
258 | **/\r | |
80408db0 | 259 | EFI_STATUS\r |
260 | DxeUnRegisterCallBackWorker (\r | |
261 | IN UINTN TokenNumber,\r | |
2ab6330e | 262 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 263 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
264 | )\r | |
265 | {\r | |
266 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
267 | LIST_ENTRY *ListHead;\r | |
268 | LIST_ENTRY *ListNode;\r | |
269 | \r | |
270 | if (Guid != NULL) {\r | |
271 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
272 | }\r | |
273 | \r | |
274 | //\r | |
275 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
276 | // We have to decrement TokenNumber by 1 to make it usable\r | |
277 | // as the array index.\r | |
278 | //\r | |
279 | TokenNumber--;\r | |
280 | \r | |
281 | ListHead = &mCallbackFnTable[TokenNumber];\r | |
282 | ListNode = GetFirstNode (ListHead);\r | |
283 | \r | |
284 | while (ListNode != ListHead) {\r | |
285 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
286 | \r | |
287 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
288 | //\r | |
289 | // We only allow a Callback function to be register once\r | |
290 | // for a TokenNumber. So we can safely remove the Node from\r | |
291 | // the Link List and return EFI_SUCCESS.\r | |
292 | //\r | |
293 | RemoveEntryList (ListNode);\r | |
294 | FreePool (FnTableEntry);\r | |
295 | \r | |
296 | return EFI_SUCCESS;\r | |
297 | }\r | |
298 | ListNode = GetNextNode (ListHead, ListNode);\r | |
299 | }\r | |
300 | \r | |
301 | return EFI_INVALID_PARAMETER;\r | |
302 | }\r | |
303 | \r | |
2ab6330e | 304 | /**\r |
305 | Get next token number in given token space.\r | |
306 | \r | |
307 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
308 | table to get token space according to given token space guid. Then scan given \r | |
309 | token number in found token space, if found, then return next token number in \r | |
310 | this token space.\r | |
311 | \r | |
312 | @param Guid Token space guid. Next token number will be scaned in \r | |
313 | this token space.\r | |
314 | @param TokenNumber Token number. \r | |
315 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
316 | token space table.\r | |
317 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
318 | in token space table.\r | |
319 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
320 | by given token space guid.\r | |
321 | @param SizeOfGuidTable The size of guid table.\r | |
322 | @param ExMapTable DynamicEx token number mapping table.\r | |
323 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
324 | \r | |
325 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
326 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 327 | \r |
2ab6330e | 328 | **/\r |
80408db0 | 329 | EFI_STATUS\r |
330 | ExGetNextTokeNumber (\r | |
331 | IN CONST EFI_GUID *Guid,\r | |
332 | IN OUT UINTN *TokenNumber,\r | |
333 | IN EFI_GUID *GuidTable,\r | |
334 | IN UINTN SizeOfGuidTable,\r | |
335 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
336 | IN UINTN SizeOfExMapTable\r | |
337 | )\r | |
338 | {\r | |
339 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 340 | UINTN Index;\r |
80408db0 | 341 | UINTN GuidTableIdx;\r |
342 | BOOLEAN Found;\r | |
343 | \r | |
2ab6330e | 344 | //\r |
345 | // Scan token space guid \r | |
346 | // \r | |
80408db0 | 347 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
348 | if (MatchGuid == NULL) {\r | |
349 | return EFI_NOT_FOUND;\r | |
350 | }\r | |
351 | \r | |
2ab6330e | 352 | //\r |
353 | // Find the token space table in dynamicEx mapping table.\r | |
354 | //\r | |
80408db0 | 355 | Found = FALSE;\r |
356 | GuidTableIdx = MatchGuid - GuidTable;\r | |
2ab6330e | 357 | for (Index = 0; Index < SizeOfExMapTable; Index++) {\r |
358 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
80408db0 | 359 | Found = TRUE;\r |
360 | break;\r | |
361 | }\r | |
362 | }\r | |
363 | \r | |
364 | if (Found) {\r | |
2ab6330e | 365 | //\r |
366 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
367 | // token number in found token space.\r | |
368 | //\r | |
80408db0 | 369 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 370 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 371 | return EFI_SUCCESS;\r |
372 | }\r | |
373 | \r | |
2ab6330e | 374 | for ( ; Index < SizeOfExMapTable; Index++) {\r |
375 | if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r | |
376 | Index ++;\r | |
377 | if (Index == SizeOfExMapTable) {\r | |
80408db0 | 378 | //\r |
379 | // Exceed the length of ExMap Table\r | |
380 | //\r | |
381 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
382 | return EFI_SUCCESS;\r | |
2ab6330e | 383 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 384 | //\r |
385 | // Found the next match\r | |
386 | //\r | |
2ab6330e | 387 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 388 | return EFI_SUCCESS;\r |
389 | } else {\r | |
390 | //\r | |
391 | // Guid has been changed. It is the next Token Space Guid.\r | |
392 | // We should flag no more TokenNumber.\r | |
393 | //\r | |
394 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
395 | return EFI_SUCCESS;\r | |
396 | }\r | |
397 | }\r | |
398 | }\r | |
399 | }\r | |
400 | \r | |
401 | return EFI_NOT_FOUND;\r | |
402 | }\r | |
80408db0 | 403 | \r |
404 | \r | |
2ab6330e | 405 | /**\r |
406 | Initialize the PCD database in DXE phase.\r | |
407 | \r | |
408 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
409 | from GUID Hob.\r | |
80408db0 | 410 | \r |
2ab6330e | 411 | **/\r |
80408db0 | 412 | VOID\r |
413 | BuildPcdDxeDataBase (\r | |
414 | VOID\r | |
415 | )\r | |
416 | {\r | |
417 | PEI_PCD_DATABASE *PeiDatabase;\r | |
418 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 419 | UINTN Index;\r |
80408db0 | 420 | \r |
421 | mPcdDatabase = AllocateZeroPool (sizeof(PCD_DATABASE));\r | |
422 | ASSERT (mPcdDatabase != NULL);\r | |
423 | \r | |
424 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r | |
425 | if (GuidHob != NULL) {\r | |
426 | \r | |
427 | //\r | |
428 | // We will copy over the PEI phase's PCD Database.\r | |
429 | // \r | |
430 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r | |
431 | // should not be included at all. So the GuidHob could\r | |
432 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
433 | // Value to PCD Database.\r | |
434 | //\r | |
435 | \r | |
436 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
437 | //\r | |
438 | // Copy PCD Entries refereneced in PEI phase to PCD DATABASE\r | |
439 | //\r | |
440 | CopyMem (&mPcdDatabase->PeiDb, PeiDatabase, sizeof (PEI_PCD_DATABASE));\r | |
441 | }\r | |
442 | \r | |
443 | //\r | |
444 | // Copy PCD Entries with default value to PCD DATABASE\r | |
445 | //\r | |
446 | CopyMem (&mPcdDatabase->DxeDb.Init, &gDXEPcdDbInit, sizeof(DXE_PCD_DATABASE_INIT));\r | |
447 | \r | |
448 | \r | |
449 | //\r | |
450 | // Initialized the Callback Function Table\r | |
451 | //\r | |
452 | \r | |
453 | mCallbackFnTable = AllocateZeroPool (PCD_TOTAL_TOKEN_NUMBER * sizeof (LIST_ENTRY));\r | |
3fd8027e | 454 | ASSERT(mCallbackFnTable != NULL);\r |
80408db0 | 455 | \r |
456 | // EBC compiler is very choosy. It may report warning about comparison\r | |
457 | // between UINTN and 0 . So we add 1 in each size of the \r | |
458 | // comparison.\r | |
2ab6330e | 459 | for (Index = 0; Index + 1 < PCD_TOTAL_TOKEN_NUMBER + 1; Index++) {\r |
460 | InitializeListHead (&mCallbackFnTable[Index]);\r | |
80408db0 | 461 | }\r |
80408db0 | 462 | }\r |
463 | \r | |
2ab6330e | 464 | /**\r |
465 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 466 | \r |
2ab6330e | 467 | @param VariableGuid Variable's guid\r |
468 | @param VariableName Variable's unicode name string\r | |
469 | @param VariableData Variable's data pointer, \r | |
470 | @param VariableSize Variable's size.\r | |
80408db0 | 471 | \r |
2ab6330e | 472 | @return the status of gRT->GetVariable\r |
473 | **/\r | |
80408db0 | 474 | EFI_STATUS\r |
475 | GetHiiVariable (\r | |
476 | IN EFI_GUID *VariableGuid,\r | |
477 | IN UINT16 *VariableName,\r | |
478 | OUT UINT8 **VariableData,\r | |
479 | OUT UINTN *VariableSize\r | |
480 | )\r | |
481 | {\r | |
482 | UINTN Size;\r | |
483 | EFI_STATUS Status;\r | |
484 | UINT8 *Buffer;\r | |
485 | \r | |
486 | Size = 0;\r | |
487 | Buffer = NULL;\r | |
488 | \r | |
2ab6330e | 489 | //\r |
490 | // Firstly get the real size of HII variable\r | |
491 | //\r | |
80408db0 | 492 | Status = gRT->GetVariable (\r |
493 | (UINT16 *)VariableName,\r | |
494 | VariableGuid,\r | |
495 | NULL,\r | |
496 | &Size,\r | |
497 | Buffer\r | |
498 | );\r | |
499 | \r | |
2ab6330e | 500 | //\r |
501 | // Allocate buffer to hold whole variable data according to variable size.\r | |
502 | //\r | |
80408db0 | 503 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
504 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
505 | \r | |
506 | ASSERT (Buffer != NULL);\r | |
507 | \r | |
508 | Status = gRT->GetVariable (\r | |
509 | VariableName,\r | |
510 | VariableGuid,\r | |
511 | NULL,\r | |
512 | &Size,\r | |
513 | Buffer\r | |
514 | );\r | |
515 | \r | |
516 | ASSERT (Status == EFI_SUCCESS);\r | |
517 | *VariableData = Buffer;\r | |
518 | *VariableSize = Size;\r | |
519 | }\r | |
520 | \r | |
521 | return Status;\r | |
522 | }\r | |
523 | \r | |
2ab6330e | 524 | /**\r |
525 | Find the local token number according to system SKU ID.\r | |
526 | \r | |
527 | @param LocalTokenNumber PCD token number\r | |
528 | @param Size The size of PCD entry.\r | |
529 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
530 | If False, the PCD entry is initialized in DXE phase.\r | |
531 | \r | |
532 | @return Token number according to system SKU ID.\r | |
80408db0 | 533 | \r |
2ab6330e | 534 | **/\r |
80408db0 | 535 | UINT32\r |
536 | GetSkuEnabledTokenNumber (\r | |
537 | UINT32 LocalTokenNumber,\r | |
538 | UINTN Size,\r | |
539 | BOOLEAN IsPeiDb\r | |
540 | ) \r | |
541 | {\r | |
542 | SKU_HEAD *SkuHead;\r | |
543 | SKU_ID *SkuIdTable;\r | |
2ab6330e | 544 | INTN Index;\r |
80408db0 | 545 | UINT8 *Value;\r |
546 | SKU_ID *PhaseSkuIdTable;\r | |
547 | UINT8 *PcdDb;\r | |
548 | \r | |
549 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
550 | \r | |
551 | PcdDb = IsPeiDb ? (UINT8 *) &mPcdDatabase->PeiDb : (UINT8 *) &mPcdDatabase->DxeDb;\r | |
552 | \r | |
553 | SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
554 | Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r | |
555 | \r | |
556 | PhaseSkuIdTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.SkuIdTable :\r | |
557 | mPcdDatabase->DxeDb.Init.SkuIdTable;\r | |
558 | \r | |
559 | SkuIdTable = &PhaseSkuIdTable[SkuHead->SkuIdTableOffset];\r | |
560 | \r | |
2ab6330e | 561 | //\r |
562 | // Find the current system's SKU ID entry in SKU ID table.\r | |
563 | //\r | |
564 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
565 | if (mPcdDatabase->PeiDb.Init.SystemSkuId == SkuIdTable[Index + 1]) {\r | |
80408db0 | 566 | break;\r |
567 | }\r | |
568 | }\r | |
2ab6330e | 569 | ASSERT (Index < SkuIdTable[0]);\r |
80408db0 | 570 | \r |
571 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
572 | case PCD_TYPE_VPD:\r | |
2ab6330e | 573 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r |
80408db0 | 574 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);\r |
575 | \r | |
576 | case PCD_TYPE_HII:\r | |
2ab6330e | 577 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r |
80408db0 | 578 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r |
579 | \r | |
580 | case PCD_TYPE_STRING:\r | |
2ab6330e | 581 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r |
80408db0 | 582 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r |
583 | \r | |
584 | case PCD_TYPE_DATA:\r | |
2ab6330e | 585 | Value += Size * Index;\r |
80408db0 | 586 | return (UINT32) (Value - PcdDb);\r |
587 | \r | |
588 | default:\r | |
589 | ASSERT (FALSE);\r | |
590 | }\r | |
591 | \r | |
592 | ASSERT (FALSE);\r | |
593 | \r | |
594 | return 0;\r | |
595 | \r | |
596 | }\r | |
597 | \r | |
2ab6330e | 598 | /**\r |
599 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r | |
600 | has registered callback function.\r | |
80408db0 | 601 | \r |
2ab6330e | 602 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
603 | type PCD.\r | |
604 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
605 | PCD.\r | |
606 | @param TokenNumber PCD token number generated by build tools.\r | |
607 | @param Data Value want to be set for this PCD entry\r | |
608 | @param Size The size of value\r | |
80408db0 | 609 | \r |
2ab6330e | 610 | **/\r |
80408db0 | 611 | VOID\r |
612 | InvokeCallbackOnSet (\r | |
613 | UINT32 ExTokenNumber,\r | |
614 | CONST EFI_GUID *Guid, OPTIONAL\r | |
615 | UINTN TokenNumber,\r | |
616 | VOID *Data,\r | |
617 | UINTN Size\r | |
618 | )\r | |
619 | {\r | |
620 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
621 | LIST_ENTRY *ListHead;\r | |
622 | LIST_ENTRY *ListNode;\r | |
623 | \r | |
624 | //\r | |
625 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
626 | // We have to decrement TokenNumber by 1 to make it usable\r | |
627 | // as the array index.\r | |
628 | //\r | |
629 | TokenNumber--;\r | |
630 | \r | |
631 | ListHead = &mCallbackFnTable[TokenNumber];\r | |
632 | ListNode = GetFirstNode (ListHead);\r | |
633 | \r | |
634 | while (ListNode != ListHead) {\r | |
635 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
636 | \r | |
637 | FnTableEntry->CallbackFn(Guid, \r | |
638 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r | |
639 | Data,\r | |
640 | Size);\r | |
641 | \r | |
642 | ListNode = GetNextNode (ListHead, ListNode);\r | |
643 | }\r | |
644 | \r | |
645 | return;\r | |
646 | }\r | |
647 | \r | |
648 | \r | |
2ab6330e | 649 | /**\r |
650 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
651 | \r | |
652 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
653 | @param Data Value want to be set for PCD entry\r | |
654 | @param Size Size of value.\r | |
655 | \r | |
656 | @return status of SetWorker.\r | |
657 | \r | |
658 | **/\r | |
80408db0 | 659 | EFI_STATUS\r |
660 | SetValueWorker (\r | |
661 | IN UINTN TokenNumber,\r | |
662 | IN VOID *Data,\r | |
663 | IN UINTN Size\r | |
664 | )\r | |
665 | {\r | |
666 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
667 | }\r | |
668 | \r | |
669 | \r | |
2ab6330e | 670 | /**\r |
671 | Set value for an PCD entry\r | |
672 | \r | |
673 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
674 | @param Data Value want to be set for PCD entry\r | |
675 | @param Size Size of value.\r | |
676 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
677 | If False, the type of PCD entry's value is not Pointer.\r | |
678 | \r | |
679 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
680 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
681 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r | |
682 | range of UINT8, UINT16, UINT32, UINT64\r | |
683 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
684 | **/\r | |
80408db0 | 685 | EFI_STATUS\r |
686 | SetWorker (\r | |
687 | IN UINTN TokenNumber,\r | |
688 | IN VOID *Data,\r | |
689 | IN OUT UINTN *Size,\r | |
690 | IN BOOLEAN PtrType\r | |
691 | )\r | |
692 | {\r | |
693 | UINT32 *LocalTokenNumberTable;\r | |
694 | BOOLEAN IsPeiDb;\r | |
695 | UINT32 LocalTokenNumber;\r | |
696 | EFI_GUID *GuidTable;\r | |
697 | UINT16 *StringTable;\r | |
698 | EFI_GUID *Guid;\r | |
699 | UINT16 *Name;\r | |
700 | UINTN VariableOffset;\r | |
701 | VOID *InternalData;\r | |
702 | VARIABLE_HEAD *VariableHead;\r | |
703 | UINTN Offset;\r | |
704 | UINT8 *PcdDb;\r | |
705 | EFI_STATUS Status;\r | |
706 | UINTN MaxSize;\r | |
707 | UINTN TmpTokenNumber;\r | |
708 | \r | |
709 | //\r | |
710 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
711 | //\r | |
712 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
713 | \r | |
714 | //\r | |
715 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
716 | // We have to decrement TokenNumber by 1 to make it usable\r | |
717 | // as the array index.\r | |
718 | //\r | |
719 | TokenNumber--;\r | |
720 | \r | |
721 | TmpTokenNumber = TokenNumber;\r | |
722 | \r | |
2ab6330e | 723 | //\r |
80408db0 | 724 | // EBC compiler is very choosy. It may report warning about comparison\r |
725 | // between UINTN and 0 . So we add 1 in each size of the \r | |
726 | // comparison.\r | |
2ab6330e | 727 | //\r |
80408db0 | 728 | ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);\r |
729 | \r | |
730 | if (!PtrType) {\r | |
731 | ASSERT (*Size == DxePcdGetSize (TokenNumber + 1));\r | |
732 | }\r | |
733 | \r | |
2ab6330e | 734 | //\r |
80408db0 | 735 | // EBC compiler is very choosy. It may report warning about comparison\r |
736 | // between UINTN and 0 . So we add 1 in each size of the \r | |
737 | // comparison.\r | |
2ab6330e | 738 | //\r |
80408db0 | 739 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1) ? TRUE : FALSE);\r |
740 | \r | |
741 | LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable : \r | |
742 | mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
743 | \r | |
2ab6330e | 744 | //\r |
80408db0 | 745 | // EBC compiler is very choosy. It may report warning about comparison\r |
746 | // between UINTN and 0 . So we add 1 in each size of the \r | |
747 | // comparison.\r | |
2ab6330e | 748 | //\r |
80408db0 | 749 | if ((TokenNumber + 1 < PEI_NEX_TOKEN_NUMBER + 1) ||\r |
750 | (TokenNumber + 1 >= PEI_LOCAL_TOKEN_NUMBER + 1 || TokenNumber + 1 < (PEI_LOCAL_TOKEN_NUMBER + DXE_NEX_TOKEN_NUMBER + 1))) {\r | |
751 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r | |
752 | }\r | |
753 | \r | |
754 | TokenNumber = IsPeiDb ? TokenNumber\r | |
755 | : TokenNumber - PEI_LOCAL_TOKEN_NUMBER;\r | |
756 | \r | |
757 | LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r | |
758 | \r | |
759 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r | |
760 | if (PtrType) {\r | |
761 | GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
762 | } else {\r | |
763 | MaxSize = *Size;\r | |
764 | }\r | |
765 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r | |
766 | }\r | |
767 | \r | |
768 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
769 | \r | |
770 | PcdDb = IsPeiDb ? ((UINT8 *) &mPcdDatabase->PeiDb) : ((UINT8 *) &mPcdDatabase->DxeDb);\r | |
771 | \r | |
309e3122 | 772 | if (IsPeiDb) {\r |
773 | StringTable = (UINT16 *) (&mPcdDatabase->PeiDb.Init.StringTable[0]);\r | |
774 | } else {\r | |
775 | StringTable = (UINT16 *) (&mPcdDatabase->DxeDb.Init.StringTable[0]);\r | |
776 | }\r | |
777 | \r | |
80408db0 | 778 | \r |
779 | InternalData = PcdDb + Offset;\r | |
780 | \r | |
781 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
782 | case PCD_TYPE_VPD:\r | |
783 | ASSERT (FALSE);\r | |
784 | Status = EFI_INVALID_PARAMETER;\r | |
785 | break;\r | |
786 | \r | |
787 | case PCD_TYPE_STRING:\r | |
788 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1fef733c | 789 | CopyMem (StringTable + *((UINT16 *)InternalData), Data, *Size);\r |
80408db0 | 790 | Status = EFI_SUCCESS;\r |
791 | } else {\r | |
792 | Status = EFI_INVALID_PARAMETER;\r | |
793 | }\r | |
794 | break;\r | |
795 | \r | |
796 | case PCD_TYPE_HII:\r | |
797 | if (PtrType) {\r | |
798 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
799 | Status = EFI_INVALID_PARAMETER;\r | |
800 | break;\r | |
801 | }\r | |
802 | }\r | |
803 | \r | |
309e3122 | 804 | if (IsPeiDb) {\r |
805 | GuidTable = (EFI_GUID *) (&mPcdDatabase->PeiDb.Init.GuidTable[0]);\r | |
806 | } else {\r | |
807 | GuidTable = (EFI_GUID *) (&mPcdDatabase->DxeDb.Init.GuidTable[0]);\r | |
808 | }\r | |
80408db0 | 809 | \r |
810 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r | |
811 | \r | |
1fef733c LG |
812 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
813 | Name = StringTable + VariableHead->StringIndex;\r | |
80408db0 | 814 | VariableOffset = VariableHead->Offset;\r |
815 | \r | |
816 | Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);\r | |
817 | \r | |
818 | if (EFI_NOT_FOUND == Status) {\r | |
819 | CopyMem (PcdDb + VariableHead->DefaultValueOffset, Data, *Size);\r | |
820 | Status = EFI_SUCCESS;\r | |
821 | } \r | |
822 | break;\r | |
823 | \r | |
824 | case PCD_TYPE_DATA:\r | |
825 | if (PtrType) {\r | |
826 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
827 | CopyMem (InternalData, Data, *Size);\r | |
828 | Status = EFI_SUCCESS;\r | |
829 | } else {\r | |
830 | Status = EFI_INVALID_PARAMETER;\r | |
831 | }\r | |
832 | break;\r | |
833 | }\r | |
834 | \r | |
835 | Status = EFI_SUCCESS;\r | |
836 | switch (*Size) {\r | |
837 | case sizeof(UINT8):\r | |
838 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
839 | break;\r | |
840 | \r | |
841 | case sizeof(UINT16):\r | |
842 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
843 | break;\r | |
844 | \r | |
845 | case sizeof(UINT32):\r | |
846 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
847 | break;\r | |
848 | \r | |
849 | case sizeof(UINT64):\r | |
850 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
851 | break;\r | |
852 | \r | |
853 | default:\r | |
854 | ASSERT (FALSE);\r | |
855 | Status = EFI_NOT_FOUND;\r | |
856 | break;\r | |
857 | }\r | |
858 | break;\r | |
859 | \r | |
860 | default:\r | |
861 | ASSERT (FALSE);\r | |
862 | Status = EFI_NOT_FOUND;\r | |
863 | break;\r | |
864 | }\r | |
865 | \r | |
866 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
867 | \r | |
868 | return Status;\r | |
869 | }\r | |
870 | \r | |
2ab6330e | 871 | /**\r |
872 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 873 | \r |
2ab6330e | 874 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 875 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 876 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 877 | \r |
2ab6330e | 878 | @return PCD entry in PCD database.\r |
80408db0 | 879 | \r |
2ab6330e | 880 | **/\r |
80408db0 | 881 | VOID *\r |
882 | ExGetWorker (\r | |
883 | IN CONST EFI_GUID *Guid,\r | |
884 | IN UINTN ExTokenNumber,\r | |
885 | IN UINTN GetSize\r | |
886 | ) \r | |
887 | {\r | |
888 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
889 | }\r | |
890 | \r | |
2ab6330e | 891 | /**\r |
892 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 893 | \r |
2ab6330e | 894 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
895 | @param Guid Token space guid for dynamic-ex PCD.\r | |
896 | @param Data Value want to be set.\r | |
897 | @param SetSize The size of value.\r | |
80408db0 | 898 | \r |
2ab6330e | 899 | @return status of ExSetWorker().\r |
80408db0 | 900 | \r |
2ab6330e | 901 | **/\r |
80408db0 | 902 | EFI_STATUS\r |
903 | ExSetValueWorker (\r | |
904 | IN UINTN ExTokenNumber,\r | |
905 | IN CONST EFI_GUID *Guid,\r | |
906 | IN VOID *Data,\r | |
907 | IN UINTN SetSize\r | |
908 | )\r | |
909 | {\r | |
910 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
911 | }\r | |
912 | \r | |
2ab6330e | 913 | /**\r |
914 | Set value for a dynamic PCD entry.\r | |
915 | \r | |
916 | This routine find the local token number according to dynamic-ex PCD's token \r | |
917 | space guid and token number firstly, and invoke callback function if this PCD\r | |
918 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
919 | PCD value.\r | |
920 | \r | |
921 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
922 | @param Guid Token space guid for dynamic-ex PCD.\r | |
923 | @param Data PCD value want to be set\r | |
924 | @param SetSize Size of value.\r | |
925 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
926 | If FALSE, this PCD entry is not pointer type.\r | |
927 | \r | |
928 | @return status of SetWorker().\r | |
80408db0 | 929 | \r |
2ab6330e | 930 | **/\r |
80408db0 | 931 | EFI_STATUS\r |
932 | ExSetWorker (\r | |
933 | IN UINTN ExTokenNumber,\r | |
934 | IN CONST EFI_GUID *Guid,\r | |
935 | IN VOID *Data,\r | |
936 | IN OUT UINTN *SetSize,\r | |
937 | IN BOOLEAN PtrType\r | |
938 | )\r | |
939 | {\r | |
940 | UINTN TokenNumber;\r | |
941 | \r | |
942 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r | |
943 | \r | |
944 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
945 | \r | |
946 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
947 | \r | |
948 | }\r | |
949 | \r | |
2ab6330e | 950 | /**\r |
951 | Set value for HII-type PCD.\r | |
80408db0 | 952 | \r |
2ab6330e | 953 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r |
954 | HII-type PCD is to visit this variable.\r | |
955 | \r | |
956 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
957 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
958 | @param Data Value want to be set.\r | |
959 | @param DataSize Size of value\r | |
960 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 961 | \r |
2ab6330e | 962 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 963 | \r |
2ab6330e | 964 | **/\r |
80408db0 | 965 | EFI_STATUS\r |
966 | SetHiiVariable (\r | |
967 | IN EFI_GUID *VariableGuid,\r | |
968 | IN UINT16 *VariableName,\r | |
969 | IN CONST VOID *Data,\r | |
970 | IN UINTN DataSize,\r | |
971 | IN UINTN Offset\r | |
972 | )\r | |
973 | {\r | |
974 | UINTN Size;\r | |
975 | VOID *Buffer;\r | |
976 | EFI_STATUS Status;\r | |
977 | UINT32 Attribute;\r | |
978 | \r | |
979 | Size = 0;\r | |
980 | \r | |
746be876 | 981 | //\r |
982 | // Try to get original variable size information.\r | |
983 | //\r | |
80408db0 | 984 | Status = gRT->GetVariable (\r |
985 | (UINT16 *)VariableName,\r | |
986 | VariableGuid,\r | |
987 | NULL,\r | |
988 | &Size,\r | |
989 | NULL\r | |
990 | );\r | |
991 | \r | |
992 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
746be876 | 993 | //\r |
994 | // Patch new PCD's value to offset in given HII variable.\r | |
995 | //\r | |
996 | \r | |
80408db0 | 997 | Buffer = AllocatePool (Size);\r |
998 | \r | |
999 | ASSERT (Buffer != NULL);\r | |
1000 | \r | |
1001 | Status = gRT->GetVariable (\r | |
1002 | VariableName,\r | |
1003 | VariableGuid,\r | |
1004 | &Attribute,\r | |
1005 | &Size,\r | |
1006 | Buffer\r | |
1007 | );\r | |
1008 | \r | |
1009 | ASSERT_EFI_ERROR (Status);\r | |
1010 | \r | |
1011 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1012 | \r | |
1013 | Status = gRT->SetVariable (\r | |
1014 | VariableName,\r | |
1015 | VariableGuid,\r | |
1016 | Attribute,\r | |
1017 | Size,\r | |
1018 | Buffer\r | |
1019 | );\r | |
1020 | \r | |
1021 | FreePool (Buffer);\r | |
1022 | return Status;\r | |
1023 | \r | |
746be876 | 1024 | } else if (Status == EFI_NOT_FOUND) {\r |
1025 | //\r | |
1026 | // If variable does not exist, a new variable need to be created.\r | |
1027 | //\r | |
1028 | \r | |
1029 | Size = Offset + DataSize;\r | |
1030 | \r | |
1031 | Buffer = AllocateZeroPool (Size);\r | |
1032 | ASSERT (Buffer != NULL);\r | |
1033 | \r | |
1034 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1035 | \r | |
1036 | Status = gRT->SetVariable (\r | |
1037 | VariableName,\r | |
1038 | VariableGuid,\r | |
1039 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
1040 | Size,\r | |
1041 | Buffer\r | |
1042 | );\r | |
1043 | \r | |
1044 | FreePool (Buffer);\r | |
1045 | return Status; \r | |
1046 | }\r | |
80408db0 | 1047 | \r |
1048 | //\r | |
746be876 | 1049 | // If we drop to here, the value is failed to be written in to variable area\r |
1050 | // So, we will save the data in the PCD Database's volatile area.\r | |
80408db0 | 1051 | //\r |
1052 | return Status;\r | |
1053 | }\r | |
1054 | \r | |
2ab6330e | 1055 | /**\r |
1056 | Get local token number according to dynamic-ex PCD's {token space guid:token number}\r | |
80408db0 | 1057 | \r |
2ab6330e | 1058 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1059 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
1060 | space guid: token number} to local token number.\r | |
1061 | \r | |
1062 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
b9982883 | 1063 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1064 | \r |
2ab6330e | 1065 | @return local token number for dynamic-ex PCD.\r |
80408db0 | 1066 | \r |
2ab6330e | 1067 | **/\r |
80408db0 | 1068 | UINTN \r |
1069 | GetExPcdTokenNumber (\r | |
1070 | IN CONST EFI_GUID *Guid,\r | |
1071 | IN UINT32 ExTokenNumber\r | |
1072 | )\r | |
1073 | {\r | |
2ab6330e | 1074 | UINT32 Index;\r |
80408db0 | 1075 | DYNAMICEX_MAPPING *ExMap;\r |
1076 | EFI_GUID *GuidTable;\r | |
1077 | EFI_GUID *MatchGuid;\r | |
1078 | UINTN MatchGuidIdx;\r | |
1079 | \r | |
1080 | if (!PEI_DATABASE_EMPTY) {\r | |
1081 | ExMap = mPcdDatabase->PeiDb.Init.ExMapTable;\r | |
1082 | GuidTable = mPcdDatabase->PeiDb.Init.GuidTable;\r | |
1083 | \r | |
1084 | MatchGuid = ScanGuid (GuidTable, sizeof(mPcdDatabase->PeiDb.Init.GuidTable), Guid);\r | |
1085 | \r | |
1086 | if (MatchGuid != NULL) {\r | |
1087 | \r | |
1088 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
1089 | \r | |
2ab6330e | 1090 | for (Index = 0; Index < PEI_EXMAPPING_TABLE_SIZE; Index++) {\r |
1091 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r | |
1092 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
1093 | return ExMap[Index].LocalTokenNumber;\r | |
80408db0 | 1094 | }\r |
1095 | }\r | |
1096 | }\r | |
1097 | }\r | |
1098 | \r | |
1099 | ExMap = mPcdDatabase->DxeDb.Init.ExMapTable;\r | |
1100 | GuidTable = mPcdDatabase->DxeDb.Init.GuidTable;\r | |
1101 | \r | |
1102 | MatchGuid = ScanGuid (GuidTable, sizeof(mPcdDatabase->DxeDb.Init.GuidTable), Guid);\r | |
1103 | //\r | |
1104 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1105 | // error in the BUILD system.\r | |
1106 | //\r | |
1107 | ASSERT (MatchGuid != NULL);\r | |
1108 | \r | |
1109 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
1110 | \r | |
2ab6330e | 1111 | for (Index = 0; Index < DXE_EXMAPPING_TABLE_SIZE; Index++) {\r |
1112 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r | |
1113 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
1114 | return ExMap[Index].LocalTokenNumber;\r | |
80408db0 | 1115 | }\r |
1116 | }\r | |
1117 | \r | |
1118 | ASSERT (FALSE);\r | |
1119 | \r | |
1120 | return 0;\r | |
1121 | }\r | |
1122 | \r | |
2ab6330e | 1123 | /**\r |
3fd8027e | 1124 | Get SKU ID table from PCD database.\r |
2ab6330e | 1125 | \r |
1126 | @param LocalTokenNumberTableIdx Index of local token number in token number table.\r | |
1127 | @param IsPeiPcd If TRUE, \r | |
80408db0 | 1128 | \r |
2ab6330e | 1129 | @return Pointer to SKU ID array table\r |
1130 | \r | |
1131 | **/\r | |
80408db0 | 1132 | SKU_ID *\r |
1133 | GetSkuIdArray (\r | |
1134 | IN UINTN LocalTokenNumberTableIdx,\r | |
1135 | IN BOOLEAN IsPeiPcd\r | |
1136 | )\r | |
1137 | {\r | |
1138 | SKU_HEAD *SkuHead;\r | |
1139 | UINTN LocalTokenNumber;\r | |
1140 | UINT8 *Database;\r | |
1141 | \r | |
1142 | if (IsPeiPcd) {\r | |
1143 | LocalTokenNumber = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1144 | Database = (UINT8 *) &mPcdDatabase->PeiDb;\r | |
1145 | } else {\r | |
1146 | LocalTokenNumber = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable[LocalTokenNumberTableIdx - PEI_LOCAL_TOKEN_NUMBER];\r | |
1147 | Database = (UINT8 *) &mPcdDatabase->DxeDb;\r | |
1148 | }\r | |
1149 | \r | |
1150 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
1151 | \r | |
1152 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
1153 | \r | |
1154 | return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);\r | |
1155 | \r | |
1156 | }\r | |
1157 | \r | |
2ab6330e | 1158 | /**\r |
3d53ba8b | 1159 | Wrapper function of getting index of PCD entry in size table.\r |
1160 | \r | |
2ab6330e | 1161 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1162 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1163 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1164 | \r | |
1165 | @return index of PCD entry in size table.\r | |
2ab6330e | 1166 | **/\r |
80408db0 | 1167 | UINTN\r |
3d53ba8b | 1168 | GetSizeTableIndex (\r |
1169 | IN UINTN LocalTokenNumberTableIdx,\r | |
1170 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1171 | )\r |
1172 | {\r | |
3d53ba8b | 1173 | UINT32 *LocalTokenNumberTable;\r |
1174 | UINTN LocalTokenNumber;\r | |
1175 | UINTN Index;\r | |
1176 | UINTN SizeTableIdx;\r | |
1177 | SKU_ID *SkuIdTable;\r | |
80408db0 | 1178 | \r |
3d53ba8b | 1179 | if (IsPeiDb) {\r |
1180 | LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r | |
1181 | } else {\r | |
1182 | LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
1183 | }\r | |
1184 | \r | |
80408db0 | 1185 | SizeTableIdx = 0;\r |
1186 | \r | |
3d53ba8b | 1187 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1188 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1189 | \r |
1190 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1191 | //\r | |
1192 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1193 | // PCD entry.\r | |
1194 | //\r | |
2ab6330e | 1195 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1196 | //\r |
1197 | // We have only one entry for VPD enabled PCD entry:\r | |
1198 | // 1) MAX Size.\r | |
1199 | // We consider current size is equal to MAX size.\r | |
1200 | //\r | |
1201 | SizeTableIdx++;\r | |
1202 | } else {\r | |
1203 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1204 | //\r | |
1205 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1206 | // 1) MAX SIZE\r | |
1207 | // 2) Current Size\r | |
1208 | //\r | |
1209 | SizeTableIdx += 2;\r | |
1210 | } else {\r | |
1211 | //\r | |
1212 | // We have these entry for SKU enabled PCD entry\r | |
1213 | // 1) MAX SIZE\r | |
1214 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1215 | //\r | |
2ab6330e | 1216 | SkuIdTable = GetSkuIdArray (Index, IsPeiDb);\r |
80408db0 | 1217 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r |
1218 | }\r | |
1219 | }\r | |
1220 | }\r | |
1221 | \r | |
1222 | }\r | |
1223 | \r | |
3d53ba8b | 1224 | return SizeTableIdx; \r |
80408db0 | 1225 | }\r |
1226 | \r | |
2ab6330e | 1227 | /**\r |
1228 | Get size of POINTER type PCD value.\r | |
1229 | \r | |
1230 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1231 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1232 | \r |
2ab6330e | 1233 | @return size of POINTER type PCD value.\r |
80408db0 | 1234 | \r |
2ab6330e | 1235 | **/\r |
80408db0 | 1236 | UINTN\r |
1237 | GetPtrTypeSize (\r | |
1238 | IN UINTN LocalTokenNumberTableIdx,\r | |
1239 | OUT UINTN *MaxSize\r | |
1240 | )\r | |
1241 | {\r | |
1242 | INTN SizeTableIdx;\r | |
1243 | UINTN LocalTokenNumber;\r | |
1244 | SKU_ID *SkuIdTable;\r | |
1245 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1246 | UINTN Index;\r |
80408db0 | 1247 | BOOLEAN IsPeiDb;\r |
1248 | UINT32 *LocalTokenNumberTable;\r | |
1249 | \r | |
1250 | // EBC compiler is very choosy. It may report warning about comparison\r | |
1251 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1252 | // comparison.\r | |
1253 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
1254 | \r | |
1255 | \r | |
1256 | if (IsPeiDb) {\r | |
1257 | LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r | |
1258 | SizeTable = mPcdDatabase->PeiDb.Init.SizeTable;\r | |
1259 | } else {\r | |
1260 | LocalTokenNumberTableIdx -= PEI_LOCAL_TOKEN_NUMBER;\r | |
1261 | LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
1262 | SizeTable = mPcdDatabase->DxeDb.Init.SizeTable;\r | |
1263 | }\r | |
1264 | \r | |
1265 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1266 | \r | |
1267 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1268 | \r | |
1269 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1270 | \r | |
1271 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1272 | //\r | |
1273 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1274 | // PCD entry.\r | |
1275 | //\r | |
2ab6330e | 1276 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1277 | //\r |
1278 | // We have only one entry for VPD enabled PCD entry:\r | |
1279 | // 1) MAX Size.\r | |
1280 | // We consider current size is equal to MAX size.\r | |
1281 | //\r | |
1282 | return *MaxSize;\r | |
1283 | } else {\r | |
1284 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1285 | //\r | |
1286 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1287 | // 1) MAX SIZE\r | |
1288 | // 2) Current Size\r | |
1289 | //\r | |
1290 | return SizeTable[SizeTableIdx + 1];\r | |
1291 | } else {\r | |
1292 | //\r | |
1293 | // We have these entry for SKU enabled PCD entry\r | |
1294 | // 1) MAX SIZE\r | |
1295 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1296 | //\r | |
1297 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1298 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
1299 | if (SkuIdTable[1 + Index] == mPcdDatabase->PeiDb.Init.SystemSkuId) {\r | |
1300 | return SizeTable[SizeTableIdx + 1 + Index];\r | |
80408db0 | 1301 | }\r |
1302 | }\r | |
1303 | return SizeTable[SizeTableIdx + 1];\r | |
1304 | }\r | |
1305 | }\r | |
1306 | }\r | |
1307 | \r | |
2ab6330e | 1308 | /**\r |
3fd8027e | 1309 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1310 | of this PCD value.\r |
80408db0 | 1311 | \r |
2ab6330e | 1312 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1313 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1314 | \r |
2ab6330e | 1315 | @retval TRUE Success to set size of PCD value.\r |
1316 | @retval FALSE Fail to set size of PCD value.\r | |
1317 | **/\r | |
80408db0 | 1318 | BOOLEAN\r |
1319 | SetPtrTypeSize (\r | |
1320 | IN UINTN LocalTokenNumberTableIdx,\r | |
1321 | IN OUT UINTN *CurrentSize\r | |
1322 | )\r | |
1323 | {\r | |
1324 | INTN SizeTableIdx;\r | |
1325 | UINTN LocalTokenNumber;\r | |
1326 | SKU_ID *SkuIdTable;\r | |
1327 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1328 | UINTN Index;\r |
80408db0 | 1329 | UINTN MaxSize;\r |
1330 | BOOLEAN IsPeiDb;\r | |
1331 | UINT32 *LocalTokenNumberTable;\r | |
1332 | \r | |
2ab6330e | 1333 | //\r |
80408db0 | 1334 | // EBC compiler is very choosy. It may report warning about comparison\r |
1335 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1336 | // comparison.\r | |
2ab6330e | 1337 | //\r |
80408db0 | 1338 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r |
1339 | \r | |
1340 | if (IsPeiDb) {\r | |
1341 | LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r | |
1342 | SizeTable = mPcdDatabase->PeiDb.Init.SizeTable;\r | |
1343 | } else {\r | |
1344 | LocalTokenNumberTableIdx -= PEI_LOCAL_TOKEN_NUMBER;\r | |
1345 | LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
1346 | SizeTable = mPcdDatabase->DxeDb.Init.SizeTable;\r | |
1347 | }\r | |
1348 | \r | |
1349 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1350 | \r | |
1351 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1352 | \r | |
1353 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1354 | \r | |
1355 | MaxSize = SizeTable[SizeTableIdx];\r | |
1356 | //\r | |
1357 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1358 | // PCD entry.\r | |
1359 | //\r | |
2ab6330e | 1360 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1361 | //\r |
1362 | // We shouldn't come here as we don't support SET for VPD\r | |
1363 | //\r | |
1364 | ASSERT (FALSE);\r | |
1365 | return FALSE;\r | |
1366 | } else {\r | |
1367 | if ((*CurrentSize > MaxSize) ||\r | |
1368 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1369 | *CurrentSize = MaxSize;\r | |
1370 | return FALSE;\r | |
1371 | } \r | |
1372 | \r | |
1373 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1374 | //\r | |
1375 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1376 | // 1) MAX SIZE\r | |
1377 | // 2) Current Size\r | |
1378 | //\r | |
1379 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1380 | return TRUE;\r | |
1381 | } else {\r | |
1382 | //\r | |
1383 | // We have these entry for SKU enabled PCD entry\r | |
1384 | // 1) MAX SIZE\r | |
1385 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1386 | //\r | |
1387 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1388 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
1389 | if (SkuIdTable[1 + Index] == mPcdDatabase->PeiDb.Init.SystemSkuId) {\r | |
1390 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r | |
80408db0 | 1391 | return TRUE;\r |
1392 | }\r | |
1393 | }\r | |
1394 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1395 | return TRUE;\r | |
1396 | }\r | |
1397 | }\r | |
1398 | }\r |