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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 | |
89c18a1e | 109 | StringTable = (UINT16 *) (IsPeiDb ? &mPcdDatabase->PeiDb.Init.StringTable[0] :\r |
110 | &mPcdDatabase->DxeDb.Init.StringTable[0]);\r | |
80408db0 | 111 | \r |
112 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
113 | \r | |
114 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
115 | case PCD_TYPE_VPD:\r | |
116 | VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);\r | |
117 | RetPtr = (VOID *) (UINTN) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);\r | |
118 | break;\r | |
119 | \r | |
120 | case PCD_TYPE_HII:\r | |
89c18a1e | 121 | GuidTable = (EFI_GUID *) (IsPeiDb ? &mPcdDatabase->PeiDb.Init.GuidTable[0] :\r |
122 | &mPcdDatabase->DxeDb.Init.GuidTable[0]);\r | |
80408db0 | 123 | \r |
124 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r | |
125 | \r | |
1fef733c LG |
126 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
127 | Name = StringTable + VariableHead->StringIndex;\r | |
80408db0 | 128 | VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r |
129 | \r | |
130 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
131 | if (Status == EFI_SUCCESS) {\r | |
132 | if (GetSize == 0) {\r | |
133 | //\r | |
134 | // It is a pointer type. So get the MaxSize reserved for\r | |
135 | // this PCD entry.\r | |
136 | //\r | |
137 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r | |
138 | }\r | |
139 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r | |
140 | FreePool (Data);\r | |
141 | }\r | |
142 | //\r | |
143 | // If the operation is successful, we copy the data\r | |
144 | // to the default value buffer in the PCD Database.\r | |
145 | // So that we can free the Data allocated in GetHiiVariable.\r | |
146 | //\r | |
147 | //\r | |
148 | // If the operation is not successful, \r | |
149 | // Return 1) either the default value specified by Platform Integrator \r | |
150 | // 2) Or the value Set by a PCD set operation.\r | |
151 | //\r | |
152 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r | |
153 | break;\r | |
154 | \r | |
155 | case PCD_TYPE_STRING:\r | |
156 | StringTableIdx = (UINT16) *((UINT8 *) PcdDb + Offset);\r | |
1fef733c | 157 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 158 | break;\r |
159 | \r | |
160 | case PCD_TYPE_DATA:\r | |
161 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
162 | break;\r | |
163 | \r | |
164 | default:\r | |
165 | ASSERT (FALSE);\r | |
166 | break;\r | |
167 | \r | |
168 | }\r | |
169 | \r | |
170 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
171 | \r | |
172 | return RetPtr;\r | |
173 | \r | |
174 | }\r | |
175 | \r | |
2ab6330e | 176 | /**\r |
177 | Register the callback function for a PCD entry.\r | |
178 | \r | |
179 | This routine will register a callback function to a PCD entry by given token number\r | |
180 | and token space guid.\r | |
181 | \r | |
182 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
183 | @param Guid PCD token space's guid, \r | |
184 | if not NULL, this PCD is dynamicEx type PCD.\r | |
185 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 186 | \r |
2ab6330e | 187 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 188 | \r |
2ab6330e | 189 | **/\r |
80408db0 | 190 | EFI_STATUS\r |
191 | DxeRegisterCallBackWorker (\r | |
192 | IN UINTN TokenNumber,\r | |
2ab6330e | 193 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 194 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
195 | )\r | |
196 | {\r | |
197 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
198 | LIST_ENTRY *ListHead;\r | |
199 | LIST_ENTRY *ListNode;\r | |
200 | \r | |
201 | if (Guid != NULL) {\r | |
202 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
203 | }\r | |
204 | \r | |
205 | //\r | |
206 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
207 | // We have to decrement TokenNumber by 1 to make it usable\r | |
208 | // as the array index.\r | |
209 | //\r | |
210 | TokenNumber--;\r | |
211 | \r | |
212 | ListHead = &mCallbackFnTable[TokenNumber];\r | |
213 | ListNode = GetFirstNode (ListHead);\r | |
214 | \r | |
215 | while (ListNode != ListHead) {\r | |
216 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
217 | \r | |
218 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
219 | //\r | |
220 | // We only allow a Callback function to be register once\r | |
221 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
222 | //\r | |
223 | return EFI_SUCCESS;\r | |
224 | }\r | |
225 | ListNode = GetNextNode (ListHead, ListNode);\r | |
226 | }\r | |
227 | \r | |
228 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
229 | ASSERT (FnTableEntry != NULL);\r | |
230 | \r | |
231 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
232 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
233 | \r | |
234 | return EFI_SUCCESS;\r | |
235 | }\r | |
236 | \r | |
2ab6330e | 237 | /**\r |
238 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 239 | \r |
2ab6330e | 240 | This routine will unregister a callback function to a PCD entry by given token number\r |
241 | and token space guid.\r | |
80408db0 | 242 | \r |
2ab6330e | 243 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
244 | @param Guid PCD token space's guid.\r | |
245 | if not NULL, this PCD is dynamicEx type PCD.\r | |
246 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 247 | \r |
2ab6330e | 248 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
249 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
250 | **/\r | |
80408db0 | 251 | EFI_STATUS\r |
252 | DxeUnRegisterCallBackWorker (\r | |
253 | IN UINTN TokenNumber,\r | |
2ab6330e | 254 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 255 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
256 | )\r | |
257 | {\r | |
258 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
259 | LIST_ENTRY *ListHead;\r | |
260 | LIST_ENTRY *ListNode;\r | |
261 | \r | |
262 | if (Guid != NULL) {\r | |
263 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
264 | }\r | |
265 | \r | |
266 | //\r | |
267 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
268 | // We have to decrement TokenNumber by 1 to make it usable\r | |
269 | // as the array index.\r | |
270 | //\r | |
271 | TokenNumber--;\r | |
272 | \r | |
273 | ListHead = &mCallbackFnTable[TokenNumber];\r | |
274 | ListNode = GetFirstNode (ListHead);\r | |
275 | \r | |
276 | while (ListNode != ListHead) {\r | |
277 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
278 | \r | |
279 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
280 | //\r | |
281 | // We only allow a Callback function to be register once\r | |
282 | // for a TokenNumber. So we can safely remove the Node from\r | |
283 | // the Link List and return EFI_SUCCESS.\r | |
284 | //\r | |
285 | RemoveEntryList (ListNode);\r | |
286 | FreePool (FnTableEntry);\r | |
287 | \r | |
288 | return EFI_SUCCESS;\r | |
289 | }\r | |
290 | ListNode = GetNextNode (ListHead, ListNode);\r | |
291 | }\r | |
292 | \r | |
293 | return EFI_INVALID_PARAMETER;\r | |
294 | }\r | |
295 | \r | |
2ab6330e | 296 | /**\r |
297 | Get next token number in given token space.\r | |
298 | \r | |
299 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
300 | table to get token space according to given token space guid. Then scan given \r | |
301 | token number in found token space, if found, then return next token number in \r | |
302 | this token space.\r | |
303 | \r | |
304 | @param Guid Token space guid. Next token number will be scaned in \r | |
305 | this token space.\r | |
306 | @param TokenNumber Token number. \r | |
307 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
308 | token space table.\r | |
309 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
310 | in token space table.\r | |
311 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
312 | by given token space guid.\r | |
313 | @param SizeOfGuidTable The size of guid table.\r | |
314 | @param ExMapTable DynamicEx token number mapping table.\r | |
315 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
316 | \r | |
317 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
318 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 319 | \r |
2ab6330e | 320 | **/\r |
80408db0 | 321 | EFI_STATUS\r |
322 | ExGetNextTokeNumber (\r | |
323 | IN CONST EFI_GUID *Guid,\r | |
324 | IN OUT UINTN *TokenNumber,\r | |
325 | IN EFI_GUID *GuidTable,\r | |
326 | IN UINTN SizeOfGuidTable,\r | |
327 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
328 | IN UINTN SizeOfExMapTable\r | |
329 | )\r | |
330 | {\r | |
331 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 332 | UINTN Index;\r |
80408db0 | 333 | UINTN GuidTableIdx;\r |
334 | BOOLEAN Found;\r | |
335 | \r | |
2ab6330e | 336 | //\r |
337 | // Scan token space guid \r | |
338 | // \r | |
80408db0 | 339 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
340 | if (MatchGuid == NULL) {\r | |
341 | return EFI_NOT_FOUND;\r | |
342 | }\r | |
343 | \r | |
2ab6330e | 344 | //\r |
345 | // Find the token space table in dynamicEx mapping table.\r | |
346 | //\r | |
80408db0 | 347 | Found = FALSE;\r |
348 | GuidTableIdx = MatchGuid - GuidTable;\r | |
2ab6330e | 349 | for (Index = 0; Index < SizeOfExMapTable; Index++) {\r |
350 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
80408db0 | 351 | Found = TRUE;\r |
352 | break;\r | |
353 | }\r | |
354 | }\r | |
355 | \r | |
356 | if (Found) {\r | |
2ab6330e | 357 | //\r |
358 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
359 | // token number in found token space.\r | |
360 | //\r | |
80408db0 | 361 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 362 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 363 | return EFI_SUCCESS;\r |
364 | }\r | |
365 | \r | |
2ab6330e | 366 | for ( ; Index < SizeOfExMapTable; Index++) {\r |
367 | if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r | |
368 | Index ++;\r | |
369 | if (Index == SizeOfExMapTable) {\r | |
80408db0 | 370 | //\r |
371 | // Exceed the length of ExMap Table\r | |
372 | //\r | |
373 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
374 | return EFI_SUCCESS;\r | |
2ab6330e | 375 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 376 | //\r |
377 | // Found the next match\r | |
378 | //\r | |
2ab6330e | 379 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 380 | return EFI_SUCCESS;\r |
381 | } else {\r | |
382 | //\r | |
383 | // Guid has been changed. It is the next Token Space Guid.\r | |
384 | // We should flag no more TokenNumber.\r | |
385 | //\r | |
386 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
387 | return EFI_SUCCESS;\r | |
388 | }\r | |
389 | }\r | |
390 | }\r | |
391 | }\r | |
392 | \r | |
393 | return EFI_NOT_FOUND;\r | |
394 | }\r | |
80408db0 | 395 | \r |
396 | \r | |
2ab6330e | 397 | /**\r |
398 | Initialize the PCD database in DXE phase.\r | |
399 | \r | |
400 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
401 | from GUID Hob.\r | |
80408db0 | 402 | \r |
2ab6330e | 403 | **/\r |
80408db0 | 404 | VOID\r |
405 | BuildPcdDxeDataBase (\r | |
406 | VOID\r | |
407 | )\r | |
408 | {\r | |
409 | PEI_PCD_DATABASE *PeiDatabase;\r | |
410 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 411 | UINTN Index;\r |
80408db0 | 412 | \r |
413 | mPcdDatabase = AllocateZeroPool (sizeof(PCD_DATABASE));\r | |
414 | ASSERT (mPcdDatabase != NULL);\r | |
415 | \r | |
416 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r | |
417 | if (GuidHob != NULL) {\r | |
418 | \r | |
419 | //\r | |
420 | // We will copy over the PEI phase's PCD Database.\r | |
421 | // \r | |
422 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r | |
423 | // should not be included at all. So the GuidHob could\r | |
424 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
425 | // Value to PCD Database.\r | |
426 | //\r | |
427 | \r | |
428 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
429 | //\r | |
430 | // Copy PCD Entries refereneced in PEI phase to PCD DATABASE\r | |
431 | //\r | |
432 | CopyMem (&mPcdDatabase->PeiDb, PeiDatabase, sizeof (PEI_PCD_DATABASE));\r | |
433 | }\r | |
434 | \r | |
435 | //\r | |
436 | // Copy PCD Entries with default value to PCD DATABASE\r | |
437 | //\r | |
438 | CopyMem (&mPcdDatabase->DxeDb.Init, &gDXEPcdDbInit, sizeof(DXE_PCD_DATABASE_INIT));\r | |
439 | \r | |
440 | \r | |
441 | //\r | |
442 | // Initialized the Callback Function Table\r | |
443 | //\r | |
444 | \r | |
445 | mCallbackFnTable = AllocateZeroPool (PCD_TOTAL_TOKEN_NUMBER * sizeof (LIST_ENTRY));\r | |
3fd8027e | 446 | ASSERT(mCallbackFnTable != NULL);\r |
80408db0 | 447 | \r |
448 | // EBC compiler is very choosy. It may report warning about comparison\r | |
449 | // between UINTN and 0 . So we add 1 in each size of the \r | |
450 | // comparison.\r | |
2ab6330e | 451 | for (Index = 0; Index + 1 < PCD_TOTAL_TOKEN_NUMBER + 1; Index++) {\r |
452 | InitializeListHead (&mCallbackFnTable[Index]);\r | |
80408db0 | 453 | }\r |
80408db0 | 454 | }\r |
455 | \r | |
2ab6330e | 456 | /**\r |
457 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 458 | \r |
2ab6330e | 459 | @param VariableGuid Variable's guid\r |
460 | @param VariableName Variable's unicode name string\r | |
461 | @param VariableData Variable's data pointer, \r | |
462 | @param VariableSize Variable's size.\r | |
80408db0 | 463 | \r |
2ab6330e | 464 | @return the status of gRT->GetVariable\r |
465 | **/\r | |
80408db0 | 466 | EFI_STATUS\r |
467 | GetHiiVariable (\r | |
468 | IN EFI_GUID *VariableGuid,\r | |
469 | IN UINT16 *VariableName,\r | |
470 | OUT UINT8 **VariableData,\r | |
471 | OUT UINTN *VariableSize\r | |
472 | )\r | |
473 | {\r | |
474 | UINTN Size;\r | |
475 | EFI_STATUS Status;\r | |
476 | UINT8 *Buffer;\r | |
477 | \r | |
478 | Size = 0;\r | |
479 | Buffer = NULL;\r | |
480 | \r | |
2ab6330e | 481 | //\r |
482 | // Firstly get the real size of HII variable\r | |
483 | //\r | |
80408db0 | 484 | Status = gRT->GetVariable (\r |
485 | (UINT16 *)VariableName,\r | |
486 | VariableGuid,\r | |
487 | NULL,\r | |
488 | &Size,\r | |
489 | Buffer\r | |
490 | );\r | |
491 | \r | |
2ab6330e | 492 | //\r |
493 | // Allocate buffer to hold whole variable data according to variable size.\r | |
494 | //\r | |
80408db0 | 495 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
496 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
497 | \r | |
498 | ASSERT (Buffer != NULL);\r | |
499 | \r | |
500 | Status = gRT->GetVariable (\r | |
501 | VariableName,\r | |
502 | VariableGuid,\r | |
503 | NULL,\r | |
504 | &Size,\r | |
505 | Buffer\r | |
506 | );\r | |
507 | \r | |
508 | ASSERT (Status == EFI_SUCCESS);\r | |
509 | *VariableData = Buffer;\r | |
510 | *VariableSize = Size;\r | |
511 | }\r | |
512 | \r | |
513 | return Status;\r | |
514 | }\r | |
515 | \r | |
2ab6330e | 516 | /**\r |
517 | Find the local token number according to system SKU ID.\r | |
518 | \r | |
519 | @param LocalTokenNumber PCD token number\r | |
520 | @param Size The size of PCD entry.\r | |
521 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
522 | If False, the PCD entry is initialized in DXE phase.\r | |
523 | \r | |
524 | @return Token number according to system SKU ID.\r | |
80408db0 | 525 | \r |
2ab6330e | 526 | **/\r |
80408db0 | 527 | UINT32\r |
528 | GetSkuEnabledTokenNumber (\r | |
529 | UINT32 LocalTokenNumber,\r | |
530 | UINTN Size,\r | |
531 | BOOLEAN IsPeiDb\r | |
532 | ) \r | |
533 | {\r | |
534 | SKU_HEAD *SkuHead;\r | |
535 | SKU_ID *SkuIdTable;\r | |
2ab6330e | 536 | INTN Index;\r |
80408db0 | 537 | UINT8 *Value;\r |
538 | SKU_ID *PhaseSkuIdTable;\r | |
539 | UINT8 *PcdDb;\r | |
540 | \r | |
541 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
542 | \r | |
543 | PcdDb = IsPeiDb ? (UINT8 *) &mPcdDatabase->PeiDb : (UINT8 *) &mPcdDatabase->DxeDb;\r | |
544 | \r | |
545 | SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
546 | Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r | |
547 | \r | |
548 | PhaseSkuIdTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.SkuIdTable :\r | |
549 | mPcdDatabase->DxeDb.Init.SkuIdTable;\r | |
550 | \r | |
551 | SkuIdTable = &PhaseSkuIdTable[SkuHead->SkuIdTableOffset];\r | |
552 | \r | |
2ab6330e | 553 | //\r |
554 | // Find the current system's SKU ID entry in SKU ID table.\r | |
555 | //\r | |
556 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
557 | if (mPcdDatabase->PeiDb.Init.SystemSkuId == SkuIdTable[Index + 1]) {\r | |
80408db0 | 558 | break;\r |
559 | }\r | |
560 | }\r | |
2ab6330e | 561 | ASSERT (Index < SkuIdTable[0]);\r |
80408db0 | 562 | \r |
563 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
564 | case PCD_TYPE_VPD:\r | |
2ab6330e | 565 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r |
80408db0 | 566 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);\r |
567 | \r | |
568 | case PCD_TYPE_HII:\r | |
2ab6330e | 569 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r |
80408db0 | 570 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r |
571 | \r | |
572 | case PCD_TYPE_STRING:\r | |
2ab6330e | 573 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r |
80408db0 | 574 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r |
575 | \r | |
576 | case PCD_TYPE_DATA:\r | |
2ab6330e | 577 | Value += Size * Index;\r |
80408db0 | 578 | return (UINT32) (Value - PcdDb);\r |
579 | \r | |
580 | default:\r | |
581 | ASSERT (FALSE);\r | |
582 | }\r | |
583 | \r | |
584 | ASSERT (FALSE);\r | |
585 | \r | |
586 | return 0;\r | |
587 | \r | |
588 | }\r | |
589 | \r | |
2ab6330e | 590 | /**\r |
591 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r | |
592 | has registered callback function.\r | |
80408db0 | 593 | \r |
2ab6330e | 594 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
595 | type PCD.\r | |
596 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
597 | PCD.\r | |
598 | @param TokenNumber PCD token number generated by build tools.\r | |
599 | @param Data Value want to be set for this PCD entry\r | |
600 | @param Size The size of value\r | |
80408db0 | 601 | \r |
2ab6330e | 602 | **/\r |
80408db0 | 603 | VOID\r |
604 | InvokeCallbackOnSet (\r | |
605 | UINT32 ExTokenNumber,\r | |
606 | CONST EFI_GUID *Guid, OPTIONAL\r | |
607 | UINTN TokenNumber,\r | |
608 | VOID *Data,\r | |
609 | UINTN Size\r | |
610 | )\r | |
611 | {\r | |
612 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
613 | LIST_ENTRY *ListHead;\r | |
614 | LIST_ENTRY *ListNode;\r | |
615 | \r | |
616 | //\r | |
617 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
618 | // We have to decrement TokenNumber by 1 to make it usable\r | |
619 | // as the array index.\r | |
620 | //\r | |
621 | TokenNumber--;\r | |
622 | \r | |
623 | ListHead = &mCallbackFnTable[TokenNumber];\r | |
624 | ListNode = GetFirstNode (ListHead);\r | |
625 | \r | |
626 | while (ListNode != ListHead) {\r | |
627 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
628 | \r | |
629 | FnTableEntry->CallbackFn(Guid, \r | |
630 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r | |
631 | Data,\r | |
632 | Size);\r | |
633 | \r | |
634 | ListNode = GetNextNode (ListHead, ListNode);\r | |
635 | }\r | |
636 | \r | |
637 | return;\r | |
638 | }\r | |
639 | \r | |
640 | \r | |
2ab6330e | 641 | /**\r |
642 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
643 | \r | |
644 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
645 | @param Data Value want to be set for PCD entry\r | |
646 | @param Size Size of value.\r | |
647 | \r | |
648 | @return status of SetWorker.\r | |
649 | \r | |
650 | **/\r | |
80408db0 | 651 | EFI_STATUS\r |
652 | SetValueWorker (\r | |
653 | IN UINTN TokenNumber,\r | |
654 | IN VOID *Data,\r | |
655 | IN UINTN Size\r | |
656 | )\r | |
657 | {\r | |
658 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
659 | }\r | |
660 | \r | |
661 | \r | |
2ab6330e | 662 | /**\r |
663 | Set value for an PCD entry\r | |
664 | \r | |
665 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
666 | @param Data Value want to be set for PCD entry\r | |
667 | @param Size Size of value.\r | |
668 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
669 | If False, the type of PCD entry's value is not Pointer.\r | |
670 | \r | |
671 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
672 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
673 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r | |
674 | range of UINT8, UINT16, UINT32, UINT64\r | |
675 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
676 | **/\r | |
80408db0 | 677 | EFI_STATUS\r |
678 | SetWorker (\r | |
679 | IN UINTN TokenNumber,\r | |
680 | IN VOID *Data,\r | |
681 | IN OUT UINTN *Size,\r | |
682 | IN BOOLEAN PtrType\r | |
683 | )\r | |
684 | {\r | |
685 | UINT32 *LocalTokenNumberTable;\r | |
686 | BOOLEAN IsPeiDb;\r | |
687 | UINT32 LocalTokenNumber;\r | |
688 | EFI_GUID *GuidTable;\r | |
689 | UINT16 *StringTable;\r | |
690 | EFI_GUID *Guid;\r | |
691 | UINT16 *Name;\r | |
692 | UINTN VariableOffset;\r | |
693 | VOID *InternalData;\r | |
694 | VARIABLE_HEAD *VariableHead;\r | |
695 | UINTN Offset;\r | |
696 | UINT8 *PcdDb;\r | |
697 | EFI_STATUS Status;\r | |
698 | UINTN MaxSize;\r | |
699 | UINTN TmpTokenNumber;\r | |
700 | \r | |
701 | //\r | |
702 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
703 | //\r | |
704 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
705 | \r | |
706 | //\r | |
707 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
708 | // We have to decrement TokenNumber by 1 to make it usable\r | |
709 | // as the array index.\r | |
710 | //\r | |
711 | TokenNumber--;\r | |
712 | \r | |
713 | TmpTokenNumber = TokenNumber;\r | |
714 | \r | |
2ab6330e | 715 | //\r |
80408db0 | 716 | // EBC compiler is very choosy. It may report warning about comparison\r |
717 | // between UINTN and 0 . So we add 1 in each size of the \r | |
718 | // comparison.\r | |
2ab6330e | 719 | //\r |
80408db0 | 720 | ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);\r |
721 | \r | |
722 | if (!PtrType) {\r | |
723 | ASSERT (*Size == DxePcdGetSize (TokenNumber + 1));\r | |
724 | }\r | |
725 | \r | |
2ab6330e | 726 | //\r |
80408db0 | 727 | // EBC compiler is very choosy. It may report warning about comparison\r |
728 | // between UINTN and 0 . So we add 1 in each size of the \r | |
729 | // comparison.\r | |
2ab6330e | 730 | //\r |
80408db0 | 731 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1) ? TRUE : FALSE);\r |
732 | \r | |
733 | LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable : \r | |
734 | mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
735 | \r | |
2ab6330e | 736 | //\r |
80408db0 | 737 | // EBC compiler is very choosy. It may report warning about comparison\r |
738 | // between UINTN and 0 . So we add 1 in each size of the \r | |
739 | // comparison.\r | |
2ab6330e | 740 | //\r |
80408db0 | 741 | if ((TokenNumber + 1 < PEI_NEX_TOKEN_NUMBER + 1) ||\r |
742 | (TokenNumber + 1 >= PEI_LOCAL_TOKEN_NUMBER + 1 || TokenNumber + 1 < (PEI_LOCAL_TOKEN_NUMBER + DXE_NEX_TOKEN_NUMBER + 1))) {\r | |
743 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r | |
744 | }\r | |
745 | \r | |
746 | TokenNumber = IsPeiDb ? TokenNumber\r | |
747 | : TokenNumber - PEI_LOCAL_TOKEN_NUMBER;\r | |
748 | \r | |
749 | LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r | |
750 | \r | |
751 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r | |
752 | if (PtrType) {\r | |
753 | GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
754 | } else {\r | |
755 | MaxSize = *Size;\r | |
756 | }\r | |
757 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r | |
758 | }\r | |
759 | \r | |
760 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
761 | \r | |
762 | PcdDb = IsPeiDb ? ((UINT8 *) &mPcdDatabase->PeiDb) : ((UINT8 *) &mPcdDatabase->DxeDb);\r | |
763 | \r | |
89c18a1e | 764 | StringTable = (UINT16 *) (IsPeiDb ? &mPcdDatabase->PeiDb.Init.StringTable[0] :\r |
7174e04c | 765 | &mPcdDatabase->DxeDb.Init.StringTable[0]);\r |
80408db0 | 766 | \r |
767 | InternalData = PcdDb + Offset;\r | |
768 | \r | |
769 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
770 | case PCD_TYPE_VPD:\r | |
771 | ASSERT (FALSE);\r | |
772 | Status = EFI_INVALID_PARAMETER;\r | |
773 | break;\r | |
774 | \r | |
775 | case PCD_TYPE_STRING:\r | |
776 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1fef733c | 777 | CopyMem (StringTable + *((UINT16 *)InternalData), Data, *Size);\r |
80408db0 | 778 | Status = EFI_SUCCESS;\r |
779 | } else {\r | |
780 | Status = EFI_INVALID_PARAMETER;\r | |
781 | }\r | |
782 | break;\r | |
783 | \r | |
784 | case PCD_TYPE_HII:\r | |
785 | if (PtrType) {\r | |
786 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
787 | Status = EFI_INVALID_PARAMETER;\r | |
788 | break;\r | |
789 | }\r | |
790 | }\r | |
791 | \r | |
7174e04c | 792 | GuidTable = (EFI_GUID *) (IsPeiDb ? &mPcdDatabase->PeiDb.Init.GuidTable[0] :\r |
793 | &mPcdDatabase->DxeDb.Init.GuidTable[0]);\r | |
80408db0 | 794 | \r |
795 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r | |
796 | \r | |
1fef733c LG |
797 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
798 | Name = StringTable + VariableHead->StringIndex;\r | |
80408db0 | 799 | VariableOffset = VariableHead->Offset;\r |
800 | \r | |
801 | Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);\r | |
802 | \r | |
803 | if (EFI_NOT_FOUND == Status) {\r | |
804 | CopyMem (PcdDb + VariableHead->DefaultValueOffset, Data, *Size);\r | |
805 | Status = EFI_SUCCESS;\r | |
806 | } \r | |
807 | break;\r | |
808 | \r | |
809 | case PCD_TYPE_DATA:\r | |
810 | if (PtrType) {\r | |
811 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
812 | CopyMem (InternalData, Data, *Size);\r | |
813 | Status = EFI_SUCCESS;\r | |
814 | } else {\r | |
815 | Status = EFI_INVALID_PARAMETER;\r | |
816 | }\r | |
817 | break;\r | |
818 | }\r | |
819 | \r | |
820 | Status = EFI_SUCCESS;\r | |
821 | switch (*Size) {\r | |
822 | case sizeof(UINT8):\r | |
823 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
824 | break;\r | |
825 | \r | |
826 | case sizeof(UINT16):\r | |
827 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
828 | break;\r | |
829 | \r | |
830 | case sizeof(UINT32):\r | |
831 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
832 | break;\r | |
833 | \r | |
834 | case sizeof(UINT64):\r | |
835 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
836 | break;\r | |
837 | \r | |
838 | default:\r | |
839 | ASSERT (FALSE);\r | |
840 | Status = EFI_NOT_FOUND;\r | |
841 | break;\r | |
842 | }\r | |
843 | break;\r | |
844 | \r | |
845 | default:\r | |
846 | ASSERT (FALSE);\r | |
847 | Status = EFI_NOT_FOUND;\r | |
848 | break;\r | |
849 | }\r | |
850 | \r | |
851 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
852 | \r | |
853 | return Status;\r | |
854 | }\r | |
855 | \r | |
2ab6330e | 856 | /**\r |
857 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 858 | \r |
2ab6330e | 859 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 860 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 861 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 862 | \r |
2ab6330e | 863 | @return PCD entry in PCD database.\r |
80408db0 | 864 | \r |
2ab6330e | 865 | **/\r |
80408db0 | 866 | VOID *\r |
867 | ExGetWorker (\r | |
868 | IN CONST EFI_GUID *Guid,\r | |
869 | IN UINTN ExTokenNumber,\r | |
870 | IN UINTN GetSize\r | |
871 | ) \r | |
872 | {\r | |
873 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
874 | }\r | |
875 | \r | |
2ab6330e | 876 | /**\r |
877 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 878 | \r |
2ab6330e | 879 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
880 | @param Guid Token space guid for dynamic-ex PCD.\r | |
881 | @param Data Value want to be set.\r | |
882 | @param SetSize The size of value.\r | |
80408db0 | 883 | \r |
2ab6330e | 884 | @return status of ExSetWorker().\r |
80408db0 | 885 | \r |
2ab6330e | 886 | **/\r |
80408db0 | 887 | EFI_STATUS\r |
888 | ExSetValueWorker (\r | |
889 | IN UINTN ExTokenNumber,\r | |
890 | IN CONST EFI_GUID *Guid,\r | |
891 | IN VOID *Data,\r | |
892 | IN UINTN SetSize\r | |
893 | )\r | |
894 | {\r | |
895 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
896 | }\r | |
897 | \r | |
2ab6330e | 898 | /**\r |
899 | Set value for a dynamic PCD entry.\r | |
900 | \r | |
901 | This routine find the local token number according to dynamic-ex PCD's token \r | |
902 | space guid and token number firstly, and invoke callback function if this PCD\r | |
903 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
904 | PCD value.\r | |
905 | \r | |
906 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
907 | @param Guid Token space guid for dynamic-ex PCD.\r | |
908 | @param Data PCD value want to be set\r | |
909 | @param SetSize Size of value.\r | |
910 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
911 | If FALSE, this PCD entry is not pointer type.\r | |
912 | \r | |
913 | @return status of SetWorker().\r | |
80408db0 | 914 | \r |
2ab6330e | 915 | **/\r |
80408db0 | 916 | EFI_STATUS\r |
917 | ExSetWorker (\r | |
918 | IN UINTN ExTokenNumber,\r | |
919 | IN CONST EFI_GUID *Guid,\r | |
920 | IN VOID *Data,\r | |
921 | IN OUT UINTN *SetSize,\r | |
922 | IN BOOLEAN PtrType\r | |
923 | )\r | |
924 | {\r | |
925 | UINTN TokenNumber;\r | |
926 | \r | |
927 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r | |
928 | \r | |
929 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
930 | \r | |
931 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
932 | \r | |
933 | }\r | |
934 | \r | |
2ab6330e | 935 | /**\r |
936 | Set value for HII-type PCD.\r | |
80408db0 | 937 | \r |
2ab6330e | 938 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r |
939 | HII-type PCD is to visit this variable.\r | |
940 | \r | |
941 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
942 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
943 | @param Data Value want to be set.\r | |
944 | @param DataSize Size of value\r | |
945 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 946 | \r |
2ab6330e | 947 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 948 | \r |
2ab6330e | 949 | **/\r |
80408db0 | 950 | EFI_STATUS\r |
951 | SetHiiVariable (\r | |
952 | IN EFI_GUID *VariableGuid,\r | |
953 | IN UINT16 *VariableName,\r | |
954 | IN CONST VOID *Data,\r | |
955 | IN UINTN DataSize,\r | |
956 | IN UINTN Offset\r | |
957 | )\r | |
958 | {\r | |
959 | UINTN Size;\r | |
960 | VOID *Buffer;\r | |
961 | EFI_STATUS Status;\r | |
962 | UINT32 Attribute;\r | |
963 | \r | |
964 | Size = 0;\r | |
965 | \r | |
966 | Status = gRT->GetVariable (\r | |
967 | (UINT16 *)VariableName,\r | |
968 | VariableGuid,\r | |
969 | NULL,\r | |
970 | &Size,\r | |
971 | NULL\r | |
972 | );\r | |
973 | \r | |
974 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
975 | \r | |
976 | Buffer = AllocatePool (Size);\r | |
977 | \r | |
978 | ASSERT (Buffer != NULL);\r | |
979 | \r | |
980 | Status = gRT->GetVariable (\r | |
981 | VariableName,\r | |
982 | VariableGuid,\r | |
983 | &Attribute,\r | |
984 | &Size,\r | |
985 | Buffer\r | |
986 | );\r | |
987 | \r | |
988 | ASSERT_EFI_ERROR (Status);\r | |
989 | \r | |
990 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
991 | \r | |
992 | Status = gRT->SetVariable (\r | |
993 | VariableName,\r | |
994 | VariableGuid,\r | |
995 | Attribute,\r | |
996 | Size,\r | |
997 | Buffer\r | |
998 | );\r | |
999 | \r | |
1000 | FreePool (Buffer);\r | |
1001 | return Status;\r | |
1002 | \r | |
1003 | } \r | |
1004 | \r | |
1005 | //\r | |
1006 | // If we drop to here, we don't have a Variable entry in\r | |
1007 | // the variable service yet. So, we will save the data\r | |
1008 | // in the PCD Database's volatile area.\r | |
1009 | //\r | |
1010 | return Status;\r | |
1011 | }\r | |
1012 | \r | |
2ab6330e | 1013 | /**\r |
1014 | Get local token number according to dynamic-ex PCD's {token space guid:token number}\r | |
80408db0 | 1015 | \r |
2ab6330e | 1016 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1017 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
1018 | space guid: token number} to local token number.\r | |
1019 | \r | |
1020 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
b9982883 | 1021 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1022 | \r |
2ab6330e | 1023 | @return local token number for dynamic-ex PCD.\r |
80408db0 | 1024 | \r |
2ab6330e | 1025 | **/\r |
80408db0 | 1026 | UINTN \r |
1027 | GetExPcdTokenNumber (\r | |
1028 | IN CONST EFI_GUID *Guid,\r | |
1029 | IN UINT32 ExTokenNumber\r | |
1030 | )\r | |
1031 | {\r | |
2ab6330e | 1032 | UINT32 Index;\r |
80408db0 | 1033 | DYNAMICEX_MAPPING *ExMap;\r |
1034 | EFI_GUID *GuidTable;\r | |
1035 | EFI_GUID *MatchGuid;\r | |
1036 | UINTN MatchGuidIdx;\r | |
1037 | \r | |
1038 | if (!PEI_DATABASE_EMPTY) {\r | |
1039 | ExMap = mPcdDatabase->PeiDb.Init.ExMapTable;\r | |
1040 | GuidTable = mPcdDatabase->PeiDb.Init.GuidTable;\r | |
1041 | \r | |
1042 | MatchGuid = ScanGuid (GuidTable, sizeof(mPcdDatabase->PeiDb.Init.GuidTable), Guid);\r | |
1043 | \r | |
1044 | if (MatchGuid != NULL) {\r | |
1045 | \r | |
1046 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
1047 | \r | |
2ab6330e | 1048 | for (Index = 0; Index < PEI_EXMAPPING_TABLE_SIZE; Index++) {\r |
1049 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r | |
1050 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
1051 | return ExMap[Index].LocalTokenNumber;\r | |
80408db0 | 1052 | }\r |
1053 | }\r | |
1054 | }\r | |
1055 | }\r | |
1056 | \r | |
1057 | ExMap = mPcdDatabase->DxeDb.Init.ExMapTable;\r | |
1058 | GuidTable = mPcdDatabase->DxeDb.Init.GuidTable;\r | |
1059 | \r | |
1060 | MatchGuid = ScanGuid (GuidTable, sizeof(mPcdDatabase->DxeDb.Init.GuidTable), Guid);\r | |
1061 | //\r | |
1062 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1063 | // error in the BUILD system.\r | |
1064 | //\r | |
1065 | ASSERT (MatchGuid != NULL);\r | |
1066 | \r | |
1067 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
1068 | \r | |
2ab6330e | 1069 | for (Index = 0; Index < DXE_EXMAPPING_TABLE_SIZE; Index++) {\r |
1070 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r | |
1071 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
1072 | return ExMap[Index].LocalTokenNumber;\r | |
80408db0 | 1073 | }\r |
1074 | }\r | |
1075 | \r | |
1076 | ASSERT (FALSE);\r | |
1077 | \r | |
1078 | return 0;\r | |
1079 | }\r | |
1080 | \r | |
2ab6330e | 1081 | /**\r |
3fd8027e | 1082 | Get SKU ID table from PCD database.\r |
2ab6330e | 1083 | \r |
1084 | @param LocalTokenNumberTableIdx Index of local token number in token number table.\r | |
1085 | @param IsPeiPcd If TRUE, \r | |
80408db0 | 1086 | \r |
2ab6330e | 1087 | @return Pointer to SKU ID array table\r |
1088 | \r | |
1089 | **/\r | |
80408db0 | 1090 | SKU_ID *\r |
1091 | GetSkuIdArray (\r | |
1092 | IN UINTN LocalTokenNumberTableIdx,\r | |
1093 | IN BOOLEAN IsPeiPcd\r | |
1094 | )\r | |
1095 | {\r | |
1096 | SKU_HEAD *SkuHead;\r | |
1097 | UINTN LocalTokenNumber;\r | |
1098 | UINT8 *Database;\r | |
1099 | \r | |
1100 | if (IsPeiPcd) {\r | |
1101 | LocalTokenNumber = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1102 | Database = (UINT8 *) &mPcdDatabase->PeiDb;\r | |
1103 | } else {\r | |
1104 | LocalTokenNumber = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable[LocalTokenNumberTableIdx - PEI_LOCAL_TOKEN_NUMBER];\r | |
1105 | Database = (UINT8 *) &mPcdDatabase->DxeDb;\r | |
1106 | }\r | |
1107 | \r | |
1108 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
1109 | \r | |
1110 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
1111 | \r | |
1112 | return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);\r | |
1113 | \r | |
1114 | }\r | |
1115 | \r | |
1116 | \r | |
2ab6330e | 1117 | /**\r |
1118 | Get index of PCD entry in size table.\r | |
1119 | \r | |
1120 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r | |
1121 | @param LocalTokenNumberTable Pointer to local token number table in PCD database.\r | |
1122 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
1123 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1124 | \r | |
1125 | @return index of PCD entry in size table.\r | |
1126 | \r | |
1127 | **/\r | |
80408db0 | 1128 | UINTN\r |
1129 | GetSizeTableIndexA (\r | |
1130 | IN UINTN LocalTokenNumberTableIdx,\r | |
1131 | IN UINT32 *LocalTokenNumberTable,\r | |
1132 | IN BOOLEAN IsPeiDb\r | |
1133 | )\r | |
1134 | {\r | |
2ab6330e | 1135 | UINTN Index;\r |
80408db0 | 1136 | UINTN SizeTableIdx;\r |
1137 | UINTN LocalTokenNumber;\r | |
1138 | SKU_ID *SkuIdTable;\r | |
1139 | \r | |
1140 | SizeTableIdx = 0;\r | |
1141 | \r | |
2ab6330e | 1142 | for (Index=0; Index<LocalTokenNumberTableIdx; Index++) {\r |
1143 | LocalTokenNumber = LocalTokenNumberTable[Index];\r | |
80408db0 | 1144 | \r |
1145 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1146 | //\r | |
1147 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1148 | // PCD entry.\r | |
1149 | //\r | |
2ab6330e | 1150 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1151 | //\r |
1152 | // We have only one entry for VPD enabled PCD entry:\r | |
1153 | // 1) MAX Size.\r | |
1154 | // We consider current size is equal to MAX size.\r | |
1155 | //\r | |
1156 | SizeTableIdx++;\r | |
1157 | } else {\r | |
1158 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1159 | //\r | |
1160 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1161 | // 1) MAX SIZE\r | |
1162 | // 2) Current Size\r | |
1163 | //\r | |
1164 | SizeTableIdx += 2;\r | |
1165 | } else {\r | |
1166 | //\r | |
1167 | // We have these entry for SKU enabled PCD entry\r | |
1168 | // 1) MAX SIZE\r | |
1169 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1170 | //\r | |
2ab6330e | 1171 | SkuIdTable = GetSkuIdArray (Index, IsPeiDb);\r |
80408db0 | 1172 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r |
1173 | }\r | |
1174 | }\r | |
1175 | }\r | |
1176 | \r | |
1177 | }\r | |
1178 | \r | |
1179 | return SizeTableIdx;\r | |
1180 | }\r | |
1181 | \r | |
1182 | \r | |
1183 | \r | |
2ab6330e | 1184 | /**\r |
1185 | Wrapper function of getting index of PCD entry in size table.\r | |
1186 | \r | |
1187 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r | |
1188 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
1189 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1190 | \r | |
1191 | @return index of PCD entry in size table.\r | |
1192 | **/\r | |
80408db0 | 1193 | UINTN\r |
1194 | GetSizeTableIndex (\r | |
1195 | IN UINTN LocalTokenNumberTableIdx,\r | |
1196 | IN BOOLEAN IsPeiDb\r | |
1197 | )\r | |
1198 | {\r | |
1199 | UINT32 *LocalTokenNumberTable;\r | |
1200 | \r | |
1201 | if (IsPeiDb) {\r | |
1202 | LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r | |
1203 | } else {\r | |
1204 | LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
1205 | }\r | |
1206 | return GetSizeTableIndexA (LocalTokenNumberTableIdx, \r | |
2ab6330e | 1207 | LocalTokenNumberTable,\r |
1208 | IsPeiDb);\r | |
80408db0 | 1209 | }\r |
1210 | \r | |
2ab6330e | 1211 | /**\r |
1212 | Get size of POINTER type PCD value.\r | |
1213 | \r | |
1214 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1215 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1216 | \r |
2ab6330e | 1217 | @return size of POINTER type PCD value.\r |
80408db0 | 1218 | \r |
2ab6330e | 1219 | **/\r |
80408db0 | 1220 | UINTN\r |
1221 | GetPtrTypeSize (\r | |
1222 | IN UINTN LocalTokenNumberTableIdx,\r | |
1223 | OUT UINTN *MaxSize\r | |
1224 | )\r | |
1225 | {\r | |
1226 | INTN SizeTableIdx;\r | |
1227 | UINTN LocalTokenNumber;\r | |
1228 | SKU_ID *SkuIdTable;\r | |
1229 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1230 | UINTN Index;\r |
80408db0 | 1231 | BOOLEAN IsPeiDb;\r |
1232 | UINT32 *LocalTokenNumberTable;\r | |
1233 | \r | |
1234 | // EBC compiler is very choosy. It may report warning about comparison\r | |
1235 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1236 | // comparison.\r | |
1237 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
1238 | \r | |
1239 | \r | |
1240 | if (IsPeiDb) {\r | |
1241 | LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r | |
1242 | SizeTable = mPcdDatabase->PeiDb.Init.SizeTable;\r | |
1243 | } else {\r | |
1244 | LocalTokenNumberTableIdx -= PEI_LOCAL_TOKEN_NUMBER;\r | |
1245 | LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
1246 | SizeTable = mPcdDatabase->DxeDb.Init.SizeTable;\r | |
1247 | }\r | |
1248 | \r | |
1249 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1250 | \r | |
1251 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1252 | \r | |
1253 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1254 | \r | |
1255 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1256 | //\r | |
1257 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1258 | // PCD entry.\r | |
1259 | //\r | |
2ab6330e | 1260 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1261 | //\r |
1262 | // We have only one entry for VPD enabled PCD entry:\r | |
1263 | // 1) MAX Size.\r | |
1264 | // We consider current size is equal to MAX size.\r | |
1265 | //\r | |
1266 | return *MaxSize;\r | |
1267 | } else {\r | |
1268 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1269 | //\r | |
1270 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1271 | // 1) MAX SIZE\r | |
1272 | // 2) Current Size\r | |
1273 | //\r | |
1274 | return SizeTable[SizeTableIdx + 1];\r | |
1275 | } else {\r | |
1276 | //\r | |
1277 | // We have these entry for SKU enabled PCD entry\r | |
1278 | // 1) MAX SIZE\r | |
1279 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1280 | //\r | |
1281 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1282 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
1283 | if (SkuIdTable[1 + Index] == mPcdDatabase->PeiDb.Init.SystemSkuId) {\r | |
1284 | return SizeTable[SizeTableIdx + 1 + Index];\r | |
80408db0 | 1285 | }\r |
1286 | }\r | |
1287 | return SizeTable[SizeTableIdx + 1];\r | |
1288 | }\r | |
1289 | }\r | |
1290 | }\r | |
1291 | \r | |
2ab6330e | 1292 | /**\r |
3fd8027e | 1293 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1294 | of this PCD value.\r |
80408db0 | 1295 | \r |
2ab6330e | 1296 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1297 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1298 | \r |
2ab6330e | 1299 | @retval TRUE Success to set size of PCD value.\r |
1300 | @retval FALSE Fail to set size of PCD value.\r | |
1301 | **/\r | |
80408db0 | 1302 | BOOLEAN\r |
1303 | SetPtrTypeSize (\r | |
1304 | IN UINTN LocalTokenNumberTableIdx,\r | |
1305 | IN OUT UINTN *CurrentSize\r | |
1306 | )\r | |
1307 | {\r | |
1308 | INTN SizeTableIdx;\r | |
1309 | UINTN LocalTokenNumber;\r | |
1310 | SKU_ID *SkuIdTable;\r | |
1311 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1312 | UINTN Index;\r |
80408db0 | 1313 | UINTN MaxSize;\r |
1314 | BOOLEAN IsPeiDb;\r | |
1315 | UINT32 *LocalTokenNumberTable;\r | |
1316 | \r | |
2ab6330e | 1317 | //\r |
80408db0 | 1318 | // EBC compiler is very choosy. It may report warning about comparison\r |
1319 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1320 | // comparison.\r | |
2ab6330e | 1321 | //\r |
80408db0 | 1322 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r |
1323 | \r | |
1324 | if (IsPeiDb) {\r | |
1325 | LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;\r | |
1326 | SizeTable = mPcdDatabase->PeiDb.Init.SizeTable;\r | |
1327 | } else {\r | |
1328 | LocalTokenNumberTableIdx -= PEI_LOCAL_TOKEN_NUMBER;\r | |
1329 | LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
1330 | SizeTable = mPcdDatabase->DxeDb.Init.SizeTable;\r | |
1331 | }\r | |
1332 | \r | |
1333 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1334 | \r | |
1335 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1336 | \r | |
1337 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1338 | \r | |
1339 | MaxSize = SizeTable[SizeTableIdx];\r | |
1340 | //\r | |
1341 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1342 | // PCD entry.\r | |
1343 | //\r | |
2ab6330e | 1344 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1345 | //\r |
1346 | // We shouldn't come here as we don't support SET for VPD\r | |
1347 | //\r | |
1348 | ASSERT (FALSE);\r | |
1349 | return FALSE;\r | |
1350 | } else {\r | |
1351 | if ((*CurrentSize > MaxSize) ||\r | |
1352 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1353 | *CurrentSize = MaxSize;\r | |
1354 | return FALSE;\r | |
1355 | } \r | |
1356 | \r | |
1357 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1358 | //\r | |
1359 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1360 | // 1) MAX SIZE\r | |
1361 | // 2) Current Size\r | |
1362 | //\r | |
1363 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1364 | return TRUE;\r | |
1365 | } else {\r | |
1366 | //\r | |
1367 | // We have these entry for SKU enabled PCD entry\r | |
1368 | // 1) MAX SIZE\r | |
1369 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1370 | //\r | |
1371 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1372 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
1373 | if (SkuIdTable[1 + Index] == mPcdDatabase->PeiDb.Init.SystemSkuId) {\r | |
1374 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r | |
80408db0 | 1375 | return TRUE;\r |
1376 | }\r | |
1377 | }\r | |
1378 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1379 | return TRUE;\r | |
1380 | }\r | |
1381 | }\r | |
1382 | }\r |