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80408db0 | 1 | /** @file\r |
2ab6330e | 2 | Help functions used by PCD DXE driver.\r |
80408db0 | 3 | \r |
0b1ef275 | 4 | Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
80408db0 | 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 | |
419db80b | 16 | #include <Library/DxeServicesLib.h>\r |
80408db0 | 17 | \r |
419db80b BF |
18 | PCD_DATABASE mPcdDatabase;\r |
19 | \r | |
20 | UINT32 mPcdTotalTokenCount; \r | |
21 | UINT32 mPeiLocalTokenCount; \r | |
22 | UINT32 mDxeLocalTokenCount; \r | |
23 | UINT32 mPeiNexTokenCount; \r | |
24 | UINT32 mDxeNexTokenCount; \r | |
25 | UINT32 mPeiExMapppingTableSize;\r | |
26 | UINT32 mDxeExMapppingTableSize;\r | |
27 | UINT32 mPeiGuidTableSize;\r | |
28 | UINT32 mDxeGuidTableSize;\r | |
29 | \r | |
30 | BOOLEAN mPeiExMapTableEmpty; \r | |
31 | BOOLEAN mDxeExMapTableEmpty; \r | |
32 | BOOLEAN mPeiDatabaseEmpty;\r | |
80408db0 | 33 | \r |
b07a5b68 | 34 | LIST_ENTRY *mCallbackFnTable;\r |
419db80b BF |
35 | EFI_GUID **TmpTokenSpaceBuffer;\r |
36 | UINTN TmpTokenSpaceBufferCount; \r | |
37 | \r | |
96d6d004 SZ |
38 | /**\r |
39 | Get Local Token Number by Token Number.\r | |
40 | \r | |
41 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
42 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
43 | @param[in] TokenNumber The PCD token number.\r | |
44 | \r | |
45 | @return Local Token Number.\r | |
46 | **/\r | |
47 | UINT32\r | |
48 | GetLocalTokenNumber (\r | |
49 | IN BOOLEAN IsPeiDb,\r | |
50 | IN UINTN TokenNumber\r | |
51 | )\r | |
52 | {\r | |
53 | UINT32 *LocalTokenNumberTable;\r | |
54 | UINT32 LocalTokenNumber;\r | |
55 | UINTN Size;\r | |
56 | UINTN MaxSize;\r | |
57 | \r | |
58 | //\r | |
59 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
60 | // We have to decrement TokenNumber by 1 to make it usable\r | |
61 | // as the array index.\r | |
62 | //\r | |
63 | TokenNumber--;\r | |
64 | \r | |
65 | LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) : \r | |
66 | (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
67 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
68 | \r | |
69 | LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r | |
70 | \r | |
71 | Size = (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r | |
72 | \r | |
73 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r | |
74 | if (Size == 0) {\r | |
75 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
76 | } else {\r | |
77 | MaxSize = Size;\r | |
78 | }\r | |
79 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r | |
80 | }\r | |
81 | \r | |
82 | return LocalTokenNumber;\r | |
83 | }\r | |
84 | \r | |
85 | /**\r | |
86 | Get PCD type by Local Token Number.\r | |
87 | \r | |
88 | @param[in] LocalTokenNumber The PCD local token number.\r | |
89 | \r | |
90 | @return PCD type.\r | |
91 | **/\r | |
92 | EFI_PCD_TYPE\r | |
93 | GetPcdType (\r | |
94 | IN UINT32 LocalTokenNumber\r | |
95 | )\r | |
96 | {\r | |
97 | switch (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) {\r | |
98 | case PCD_DATUM_TYPE_POINTER:\r | |
99 | return EFI_PCD_TYPE_PTR;\r | |
100 | case PCD_DATUM_TYPE_UINT8:\r | |
101 | if (LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) {\r | |
102 | return EFI_PCD_TYPE_BOOL;\r | |
103 | } else {\r | |
104 | return EFI_PCD_TYPE_8;\r | |
105 | }\r | |
106 | case PCD_DATUM_TYPE_UINT16:\r | |
107 | return EFI_PCD_TYPE_16;\r | |
108 | case PCD_DATUM_TYPE_UINT32:\r | |
109 | return EFI_PCD_TYPE_32;\r | |
110 | case PCD_DATUM_TYPE_UINT64:\r | |
111 | return EFI_PCD_TYPE_64;\r | |
112 | default:\r | |
113 | ASSERT (FALSE);\r | |
114 | return EFI_PCD_TYPE_8;\r | |
115 | }\r | |
116 | }\r | |
117 | \r | |
118 | /**\r | |
119 | Get PCD name.\r | |
120 | \r | |
121 | @param[in] OnlyTokenSpaceName If TRUE, only need to get the TokenSpaceCName.\r | |
122 | If FALSE, need to get the full PCD name.\r | |
123 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
124 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
125 | @param[in] TokenNumber The PCD token number.\r | |
126 | \r | |
127 | @return The TokenSpaceCName or full PCD name.\r | |
128 | **/\r | |
129 | CHAR8 *\r | |
130 | GetPcdName (\r | |
131 | IN BOOLEAN OnlyTokenSpaceName,\r | |
132 | IN BOOLEAN IsPeiDb,\r | |
133 | IN UINTN TokenNumber\r | |
134 | )\r | |
135 | {\r | |
136 | PCD_DATABASE_INIT *Database;\r | |
137 | UINT8 *StringTable;\r | |
138 | PCD_NAME_INDEX *PcdNameIndex;\r | |
139 | CHAR8 *TokenSpaceName;\r | |
140 | CHAR8 *PcdName;\r | |
141 | CHAR8 *Name;\r | |
142 | \r | |
143 | //\r | |
144 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
145 | // We have to decrement TokenNumber by 1 to make it usable\r | |
146 | // as the array index.\r | |
147 | //\r | |
148 | TokenNumber--;\r | |
149 | \r | |
150 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
151 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
152 | \r | |
153 | StringTable = (UINT8 *) Database + Database->StringTableOffset;\r | |
154 | \r | |
155 | //\r | |
156 | // Get the PCD name index.\r | |
157 | //\r | |
158 | PcdNameIndex = (PCD_NAME_INDEX *)((UINT8 *) Database + Database->PcdNameTableOffset) + TokenNumber;\r | |
159 | TokenSpaceName = (CHAR8 *)&StringTable[PcdNameIndex->TokenSpaceCNameIndex];\r | |
160 | PcdName = (CHAR8 *)&StringTable[PcdNameIndex->PcdCNameIndex];\r | |
161 | \r | |
162 | if (OnlyTokenSpaceName) {\r | |
163 | //\r | |
164 | // Only need to get the TokenSpaceCName.\r | |
165 | //\r | |
166 | Name = AllocateCopyPool (AsciiStrSize (TokenSpaceName), TokenSpaceName);\r | |
167 | } else {\r | |
168 | //\r | |
169 | // Need to get the full PCD name.\r | |
170 | //\r | |
171 | Name = AllocateZeroPool (AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName));\r | |
172 | //\r | |
173 | // Catenate TokenSpaceCName and PcdCName with a '.' to form the full PCD name.\r | |
174 | //\r | |
175 | AsciiStrCat (Name, TokenSpaceName);\r | |
176 | Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.';\r | |
177 | AsciiStrCat (Name, PcdName); \r | |
178 | }\r | |
179 | \r | |
180 | return Name;\r | |
181 | }\r | |
182 | \r | |
183 | /**\r | |
184 | Retrieve additional information associated with a PCD token.\r | |
185 | \r | |
186 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
187 | human readable name that is associated with the token.\r | |
188 | \r | |
189 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
190 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
191 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
192 | @param[in] TokenNumber The PCD token number.\r | |
193 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
194 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName. \r | |
195 | \r | |
196 | @retval EFI_SUCCESS The PCD information was returned successfully\r | |
197 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
198 | **/\r | |
199 | EFI_STATUS\r | |
200 | ExGetPcdInfo (\r | |
201 | IN BOOLEAN IsPeiDb,\r | |
202 | IN CONST EFI_GUID *Guid,\r | |
203 | IN UINTN TokenNumber,\r | |
204 | OUT EFI_PCD_INFO *PcdInfo\r | |
205 | )\r | |
206 | {\r | |
207 | PCD_DATABASE_INIT *Database;\r | |
208 | UINTN GuidTableIdx;\r | |
209 | EFI_GUID *MatchGuid;\r | |
210 | EFI_GUID *GuidTable;\r | |
211 | DYNAMICEX_MAPPING *ExMapTable;\r | |
212 | UINTN Index;\r | |
213 | UINT32 LocalTokenNumber;\r | |
214 | \r | |
215 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
216 | \r | |
217 | GuidTable = (EFI_GUID *)((UINT8 *)Database + Database->GuidTableOffset);\r | |
218 | MatchGuid = ScanGuid (GuidTable, Database->GuidTableCount * sizeof(EFI_GUID), Guid);\r | |
219 | \r | |
220 | if (MatchGuid == NULL) {\r | |
221 | return EFI_NOT_FOUND;\r | |
222 | }\r | |
223 | \r | |
224 | GuidTableIdx = MatchGuid - GuidTable;\r | |
225 | \r | |
226 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)Database + Database->ExMapTableOffset);\r | |
227 | \r | |
228 | //\r | |
229 | // Find the PCD by GuidTableIdx and ExTokenNumber in ExMapTable.\r | |
230 | //\r | |
231 | for (Index = 0; Index < Database->ExTokenCount; Index++) {\r | |
232 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
233 | if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
234 | //\r | |
235 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
236 | // PcdSize to 0 and PcdName to the null-terminated ASCII string\r | |
237 | // associated with the token's namespace Guid.\r | |
238 | //\r | |
239 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
240 | PcdInfo->PcdSize = 0;\r | |
241 | //\r | |
242 | // Here use one representative in the token space to get the TokenSpaceCName.\r | |
243 | // \r | |
244 | PcdInfo->PcdName = GetPcdName (TRUE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
245 | return EFI_SUCCESS;\r | |
246 | } else if (ExMapTable[Index].ExTokenNumber == TokenNumber) {\r | |
247 | PcdInfo->PcdSize = DxePcdGetSize (ExMapTable[Index].TokenNumber);\r | |
248 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
249 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
250 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
251 | return EFI_SUCCESS;\r | |
252 | }\r | |
253 | }\r | |
254 | }\r | |
255 | \r | |
256 | return EFI_NOT_FOUND;\r | |
257 | }\r | |
258 | \r | |
259 | /**\r | |
260 | Retrieve additional information associated with a PCD token.\r | |
261 | \r | |
262 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
263 | human readable name that is associated with the token.\r | |
264 | \r | |
265 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
266 | @param[in] TokenNumber The PCD token number.\r | |
267 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
268 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
269 | \r | |
270 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
271 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
272 | **/\r | |
273 | EFI_STATUS\r | |
274 | DxeGetPcdInfo (\r | |
275 | IN CONST EFI_GUID *Guid,\r | |
276 | IN UINTN TokenNumber,\r | |
277 | OUT EFI_PCD_INFO *PcdInfo\r | |
278 | )\r | |
279 | {\r | |
280 | EFI_STATUS Status;\r | |
281 | BOOLEAN PeiExMapTableEmpty;\r | |
282 | BOOLEAN DxeExMapTableEmpty;\r | |
283 | UINT32 LocalTokenNumber;\r | |
284 | BOOLEAN IsPeiDb;\r | |
285 | \r | |
96d6d004 SZ |
286 | ASSERT (PcdInfo != NULL);\r |
287 | \r | |
288 | Status = EFI_NOT_FOUND;\r | |
289 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r | |
290 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
291 | \r | |
292 | if (Guid == NULL) {\r | |
293 | if (((TokenNumber + 1 > mPeiNexTokenCount + 1) && (TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r | |
294 | ((TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r | |
295 | return EFI_NOT_FOUND;\r | |
296 | } else if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
297 | //\r | |
298 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
299 | // PcdSize to 0 and PcdName to NULL for default Token Space.\r | |
300 | //\r | |
301 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
302 | PcdInfo->PcdSize = 0;\r | |
303 | PcdInfo->PcdName = NULL;\r | |
304 | } else {\r | |
305 | PcdInfo->PcdSize = DxePcdGetSize (TokenNumber);\r | |
306 | IsPeiDb = FALSE;\r | |
307 | if ((TokenNumber + 1 <= mPeiNexTokenCount + 1)) {\r | |
308 | IsPeiDb = TRUE;\r | |
309 | }\r | |
310 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r | |
311 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
312 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, TokenNumber);\r | |
313 | }\r | |
314 | return EFI_SUCCESS;\r | |
315 | }\r | |
316 | \r | |
317 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
318 | return EFI_NOT_FOUND;\r | |
319 | }\r | |
320 | \r | |
321 | if (!PeiExMapTableEmpty) {\r | |
322 | Status = ExGetPcdInfo (\r | |
323 | TRUE,\r | |
324 | Guid,\r | |
325 | TokenNumber,\r | |
326 | PcdInfo\r | |
327 | );\r | |
328 | }\r | |
329 | \r | |
330 | if (Status == EFI_SUCCESS) {\r | |
331 | return Status;\r | |
332 | }\r | |
333 | \r | |
334 | if (!DxeExMapTableEmpty) {\r | |
335 | Status = ExGetPcdInfo (\r | |
336 | FALSE,\r | |
337 | Guid,\r | |
338 | TokenNumber,\r | |
339 | PcdInfo\r | |
340 | );\r | |
341 | }\r | |
342 | \r | |
343 | return Status;\r | |
344 | }\r | |
80408db0 | 345 | \r |
2ab6330e | 346 | /**\r |
347 | Get the PCD entry pointer in PCD database.\r | |
348 | \r | |
349 | This routine will visit PCD database to find the PCD entry according to given\r | |
350 | token number. The given token number is autogened by build tools and it will be \r | |
351 | translated to local token number. Local token number contains PCD's type and \r | |
352 | offset of PCD entry in PCD database.\r | |
353 | \r | |
354 | @param TokenNumber Token's number, it is autogened by build tools\r | |
355 | @param GetSize The size of token's value\r | |
356 | \r | |
357 | @return PCD entry pointer in PCD database\r | |
358 | \r | |
359 | **/\r | |
80408db0 | 360 | VOID *\r |
361 | GetWorker (\r | |
2ab6330e | 362 | IN UINTN TokenNumber,\r |
363 | IN UINTN GetSize\r | |
80408db0 | 364 | )\r |
365 | {\r | |
80408db0 | 366 | EFI_GUID *GuidTable;\r |
d0965169 | 367 | UINT8 *StringTable;\r |
80408db0 | 368 | EFI_GUID *Guid;\r |
369 | UINT16 *Name;\r | |
370 | VARIABLE_HEAD *VariableHead;\r | |
371 | UINT8 *VaraiableDefaultBuffer;\r | |
372 | UINT8 *Data;\r | |
373 | VPD_HEAD *VpdHead;\r | |
374 | UINT8 *PcdDb;\r | |
375 | VOID *RetPtr;\r | |
80408db0 | 376 | UINTN TmpTokenNumber;\r |
377 | UINTN DataSize;\r | |
378 | EFI_STATUS Status;\r | |
379 | UINT32 LocalTokenNumber;\r | |
380 | UINT32 Offset;\r | |
6cfc7292 | 381 | STRING_HEAD StringTableIdx; \r |
80408db0 | 382 | BOOLEAN IsPeiDb;\r |
383 | \r | |
384 | //\r | |
385 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
386 | //\r | |
387 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
388 | \r | |
389 | RetPtr = NULL;\r | |
419db80b BF |
390 | \r |
391 | ASSERT (TokenNumber > 0);\r | |
80408db0 | 392 | //\r |
393 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
394 | // We have to decrement TokenNumber by 1 to make it usable\r | |
395 | // as the array index.\r | |
396 | //\r | |
397 | TokenNumber--;\r | |
398 | \r | |
399 | TmpTokenNumber = TokenNumber;\r | |
419db80b | 400 | \r |
80408db0 | 401 | //\r |
419db80b BF |
402 | // EBC compiler is very choosy. It may report warning about comparison\r |
403 | // between UINTN and 0 . So we add 1 in each size of the \r | |
80408db0 | 404 | // comparison.\r |
405 | //\r | |
419db80b | 406 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 407 | \r |
408 | ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));\r | |
409 | \r | |
410 | // EBC compiler is very choosy. It may report warning about comparison\r | |
411 | // between UINTN and 0 . So we add 1 in each size of the \r | |
412 | // comparison.\r | |
419db80b | 413 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
80408db0 | 414 | \r |
96d6d004 | 415 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 416 | \r |
419db80b | 417 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
309e3122 | 418 | \r |
419 | if (IsPeiDb) {\r | |
419db80b | 420 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 421 | } else {\r |
419db80b | 422 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 423 | }\r |
419db80b BF |
424 | \r |
425 | \r | |
80408db0 | 426 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
419db80b | 427 | \r |
80408db0 | 428 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
429 | case PCD_TYPE_VPD:\r | |
430 | VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);\r | |
188e4e84 | 431 | RetPtr = (VOID *) (UINTN) (PcdGet32 (PcdVpdBaseAddress) + VpdHead->Offset);\r |
419db80b | 432 | \r |
80408db0 | 433 | break;\r |
419db80b | 434 | \r |
6ac15f7c | 435 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 436 | case PCD_TYPE_HII:\r |
309e3122 | 437 | if (IsPeiDb) {\r |
419db80b | 438 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 439 | } else {\r |
419db80b | 440 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 441 | }\r |
419db80b | 442 | \r |
80408db0 | 443 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
1fef733c | 444 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 445 | Name = (UINT16*)(StringTable + VariableHead->StringIndex);\r |
419db80b | 446 | \r |
6ac15f7c | 447 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
419db80b BF |
448 | //\r |
449 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of \r | |
450 | // string array in string table.\r | |
451 | //\r | |
6cfc7292 | 452 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset); \r |
6ac15f7c | 453 | VaraiableDefaultBuffer = (VOID *) (StringTable + StringTableIdx); \r |
6ac15f7c | 454 | } else {\r |
455 | VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r | |
419db80b BF |
456 | }\r |
457 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
458 | if (Status == EFI_SUCCESS) {\r | |
459 | if (GetSize == 0) {\r | |
0b1ef275 | 460 | //\r |
419db80b BF |
461 | // It is a pointer type. So get the MaxSize reserved for\r |
462 | // this PCD entry.\r | |
0b1ef275 | 463 | //\r |
419db80b | 464 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r |
6ac15f7c | 465 | }\r |
419db80b BF |
466 | //\r |
467 | // If the operation is successful, we copy the data\r | |
468 | // to the default value buffer in the PCD Database.\r | |
469 | // So that we can free the Data allocated in GetHiiVariable.\r | |
470 | //\r | |
471 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r | |
472 | FreePool (Data);\r | |
80408db0 | 473 | }\r |
419db80b | 474 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r |
80408db0 | 475 | break;\r |
476 | \r | |
477 | case PCD_TYPE_STRING:\r | |
6cfc7292 | 478 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + Offset);\r |
1fef733c | 479 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 480 | break;\r |
481 | \r | |
482 | case PCD_TYPE_DATA:\r | |
483 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
484 | break;\r | |
485 | \r | |
486 | default:\r | |
487 | ASSERT (FALSE);\r | |
488 | break;\r | |
489 | \r | |
490 | }\r | |
491 | \r | |
492 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
419db80b | 493 | \r |
80408db0 | 494 | return RetPtr;\r |
419db80b | 495 | \r |
80408db0 | 496 | }\r |
497 | \r | |
2ab6330e | 498 | /**\r |
499 | Register the callback function for a PCD entry.\r | |
500 | \r | |
501 | This routine will register a callback function to a PCD entry by given token number\r | |
502 | and token space guid.\r | |
503 | \r | |
504 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
505 | @param Guid PCD token space's guid, \r | |
506 | if not NULL, this PCD is dynamicEx type PCD.\r | |
507 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 508 | \r |
2ab6330e | 509 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 510 | \r |
2ab6330e | 511 | **/\r |
80408db0 | 512 | EFI_STATUS\r |
513 | DxeRegisterCallBackWorker (\r | |
514 | IN UINTN TokenNumber,\r | |
2ab6330e | 515 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 516 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
517 | )\r | |
518 | {\r | |
519 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
520 | LIST_ENTRY *ListHead;\r | |
521 | LIST_ENTRY *ListNode;\r | |
522 | \r | |
523 | if (Guid != NULL) {\r | |
524 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
525 | }\r | |
526 | \r | |
527 | //\r | |
528 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
529 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 530 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 531 | //\r |
b07a5b68 | 532 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 533 | ListNode = GetFirstNode (ListHead);\r |
534 | \r | |
535 | while (ListNode != ListHead) {\r | |
536 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
537 | \r | |
538 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
539 | //\r | |
540 | // We only allow a Callback function to be register once\r | |
541 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
542 | //\r | |
543 | return EFI_SUCCESS;\r | |
544 | }\r | |
545 | ListNode = GetNextNode (ListHead, ListNode);\r | |
546 | }\r | |
547 | \r | |
548 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
549 | ASSERT (FnTableEntry != NULL);\r | |
550 | \r | |
551 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
552 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
553 | \r | |
554 | return EFI_SUCCESS;\r | |
555 | }\r | |
556 | \r | |
2ab6330e | 557 | /**\r |
558 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 559 | \r |
2ab6330e | 560 | This routine will unregister a callback function to a PCD entry by given token number\r |
561 | and token space guid.\r | |
80408db0 | 562 | \r |
2ab6330e | 563 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
564 | @param Guid PCD token space's guid.\r | |
565 | if not NULL, this PCD is dynamicEx type PCD.\r | |
566 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 567 | \r |
2ab6330e | 568 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
569 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
570 | **/\r | |
80408db0 | 571 | EFI_STATUS\r |
572 | DxeUnRegisterCallBackWorker (\r | |
573 | IN UINTN TokenNumber,\r | |
2ab6330e | 574 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 575 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
576 | )\r | |
577 | {\r | |
578 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
579 | LIST_ENTRY *ListHead;\r | |
580 | LIST_ENTRY *ListNode;\r | |
581 | \r | |
582 | if (Guid != NULL) {\r | |
583 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
584 | }\r | |
585 | \r | |
586 | //\r | |
587 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
588 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 589 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 590 | //\r |
b07a5b68 | 591 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 592 | ListNode = GetFirstNode (ListHead);\r |
593 | \r | |
594 | while (ListNode != ListHead) {\r | |
595 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
596 | \r | |
597 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
598 | //\r | |
599 | // We only allow a Callback function to be register once\r | |
600 | // for a TokenNumber. So we can safely remove the Node from\r | |
601 | // the Link List and return EFI_SUCCESS.\r | |
602 | //\r | |
603 | RemoveEntryList (ListNode);\r | |
604 | FreePool (FnTableEntry);\r | |
605 | \r | |
606 | return EFI_SUCCESS;\r | |
607 | }\r | |
608 | ListNode = GetNextNode (ListHead, ListNode);\r | |
609 | }\r | |
610 | \r | |
611 | return EFI_INVALID_PARAMETER;\r | |
612 | }\r | |
613 | \r | |
2ab6330e | 614 | /**\r |
615 | Get next token number in given token space.\r | |
616 | \r | |
617 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
618 | table to get token space according to given token space guid. Then scan given \r | |
619 | token number in found token space, if found, then return next token number in \r | |
620 | this token space.\r | |
621 | \r | |
622 | @param Guid Token space guid. Next token number will be scaned in \r | |
623 | this token space.\r | |
624 | @param TokenNumber Token number. \r | |
625 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
626 | token space table.\r | |
627 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
628 | in token space table.\r | |
629 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
630 | by given token space guid.\r | |
631 | @param SizeOfGuidTable The size of guid table.\r | |
632 | @param ExMapTable DynamicEx token number mapping table.\r | |
633 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
634 | \r | |
635 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
636 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 637 | \r |
2ab6330e | 638 | **/\r |
80408db0 | 639 | EFI_STATUS\r |
640 | ExGetNextTokeNumber (\r | |
641 | IN CONST EFI_GUID *Guid,\r | |
642 | IN OUT UINTN *TokenNumber,\r | |
643 | IN EFI_GUID *GuidTable,\r | |
644 | IN UINTN SizeOfGuidTable,\r | |
645 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
646 | IN UINTN SizeOfExMapTable\r | |
647 | )\r | |
648 | {\r | |
649 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 650 | UINTN Index;\r |
80408db0 | 651 | UINTN GuidTableIdx;\r |
652 | BOOLEAN Found;\r | |
419db80b | 653 | UINTN ExMapTableCount;\r |
80408db0 | 654 | \r |
2ab6330e | 655 | //\r |
656 | // Scan token space guid \r | |
657 | // \r | |
80408db0 | 658 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
659 | if (MatchGuid == NULL) {\r | |
660 | return EFI_NOT_FOUND;\r | |
661 | }\r | |
662 | \r | |
2ab6330e | 663 | //\r |
664 | // Find the token space table in dynamicEx mapping table.\r | |
665 | //\r | |
80408db0 | 666 | Found = FALSE;\r |
667 | GuidTableIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
668 | ExMapTableCount = SizeOfExMapTable / sizeof(ExMapTable[0]);\r |
669 | for (Index = 0; Index < ExMapTableCount; Index++) {\r | |
2ab6330e | 670 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 671 | Found = TRUE;\r |
672 | break;\r | |
673 | }\r | |
674 | }\r | |
675 | \r | |
676 | if (Found) {\r | |
2ab6330e | 677 | //\r |
678 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
679 | // token number in found token space.\r | |
680 | //\r | |
80408db0 | 681 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 682 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 683 | return EFI_SUCCESS;\r |
684 | }\r | |
685 | \r | |
419db80b | 686 | for ( ; Index < ExMapTableCount; Index++) {\r |
2ab6330e | 687 | if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r |
419db80b BF |
688 | break;\r |
689 | }\r | |
690 | }\r | |
691 | \r | |
692 | while (Index < ExMapTableCount) {\r | |
693 | Index++;\r | |
694 | if (Index == ExMapTableCount) {\r | |
695 | //\r | |
696 | // Exceed the length of ExMap Table\r | |
697 | //\r | |
698 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
699 | return EFI_NOT_FOUND;\r | |
700 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
701 | //\r | |
702 | // Found the next match\r | |
703 | //\r | |
704 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
705 | return EFI_SUCCESS;\r | |
80408db0 | 706 | }\r |
707 | }\r | |
708 | }\r | |
419db80b | 709 | \r |
80408db0 | 710 | return EFI_NOT_FOUND;\r |
711 | }\r | |
80408db0 | 712 | \r |
419db80b BF |
713 | /**\r |
714 | Find the PCD database.\r | |
715 | \r | |
716 | @retval The base address of external PCD database binary.\r | |
717 | @retval NULL Return NULL if not find.\r | |
718 | **/\r | |
719 | DXE_PCD_DATABASE *\r | |
720 | LocateExPcdBinary (\r | |
721 | VOID\r | |
722 | ) \r | |
723 | {\r | |
724 | DXE_PCD_DATABASE *DxePcdDbBinary;\r | |
725 | UINTN DxePcdDbSize;\r | |
726 | EFI_STATUS Status;\r | |
727 | \r | |
728 | DxePcdDbBinary = NULL;\r | |
729 | //\r | |
730 | // Search the External Pcd database from one section of current FFS, \r | |
731 | // and read it to memory\r | |
732 | //\r | |
733 | Status = GetSectionFromFfs (\r | |
734 | EFI_SECTION_RAW,\r | |
735 | 0,\r | |
736 | (VOID **) &DxePcdDbBinary,\r | |
737 | &DxePcdDbSize\r | |
738 | );\r | |
739 | ASSERT_EFI_ERROR (Status);\r | |
740 | \r | |
741 | //\r | |
742 | // Check the first bytes (Header Signature Guid) and build version.\r | |
743 | //\r | |
744 | if (!CompareGuid ((VOID *)DxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r | |
745 | (DxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r | |
746 | ASSERT (FALSE);\r | |
747 | }\r | |
748 | \r | |
749 | return DxePcdDbBinary;\r | |
750 | }\r | |
80408db0 | 751 | \r |
2ab6330e | 752 | /**\r |
753 | Initialize the PCD database in DXE phase.\r | |
754 | \r | |
755 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
756 | from GUID Hob.\r | |
80408db0 | 757 | \r |
2ab6330e | 758 | **/\r |
80408db0 | 759 | VOID\r |
760 | BuildPcdDxeDataBase (\r | |
761 | VOID\r | |
762 | )\r | |
763 | {\r | |
764 | PEI_PCD_DATABASE *PeiDatabase;\r | |
765 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 766 | UINTN Index;\r |
419db80b BF |
767 | UINT32 PcdDxeDbLen;\r |
768 | VOID *PcdDxeDb;\r | |
80408db0 | 769 | \r |
770 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r | |
771 | if (GuidHob != NULL) {\r | |
772 | \r | |
80408db0 | 773 | // \r |
774 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r | |
775 | // should not be included at all. So the GuidHob could\r | |
776 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
777 | // Value to PCD Database.\r | |
778 | //\r | |
779 | \r | |
780 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
781 | //\r | |
419db80b | 782 | // Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r |
80408db0 | 783 | //\r |
419db80b | 784 | mPcdDatabase.PeiDb = PeiDatabase;\r |
80408db0 | 785 | }\r |
786 | \r | |
787 | //\r | |
419db80b | 788 | // Assign PCD Entries with default value to PCD DATABASE\r |
80408db0 | 789 | //\r |
419db80b BF |
790 | mPcdDatabase.DxeDb = LocateExPcdBinary ();\r |
791 | ASSERT(mPcdDatabase.DxeDb != NULL);\r | |
792 | PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r | |
793 | PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r | |
7df09571 | 794 | ASSERT (PcdDxeDb != NULL);\r |
419db80b BF |
795 | CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r |
796 | FreePool (mPcdDatabase.DxeDb);\r | |
797 | mPcdDatabase.DxeDb = PcdDxeDb;\r | |
80408db0 | 798 | \r |
419db80b BF |
799 | //\r |
800 | // Initialized the external PCD database local variables\r | |
801 | //\r | |
802 | mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r | |
803 | mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r | |
804 | \r | |
805 | mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
806 | mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
807 | mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r | |
808 | mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r | |
809 | \r | |
810 | mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r | |
811 | mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r | |
812 | mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount; \r | |
813 | \r | |
814 | mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
815 | mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
816 | mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r | |
817 | \r | |
818 | TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r | |
819 | TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r | |
80408db0 | 820 | \r |
821 | //\r | |
822 | // Initialized the Callback Function Table\r | |
823 | //\r | |
419db80b | 824 | mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r |
3fd8027e | 825 | ASSERT(mCallbackFnTable != NULL);\r |
419db80b BF |
826 | \r |
827 | //\r | |
80408db0 | 828 | // EBC compiler is very choosy. It may report warning about comparison\r |
829 | // between UINTN and 0 . So we add 1 in each size of the \r | |
830 | // comparison.\r | |
419db80b BF |
831 | //\r |
832 | for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r | |
2ab6330e | 833 | InitializeListHead (&mCallbackFnTable[Index]);\r |
80408db0 | 834 | }\r |
80408db0 | 835 | }\r |
836 | \r | |
2ab6330e | 837 | /**\r |
838 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 839 | \r |
2ab6330e | 840 | @param VariableGuid Variable's guid\r |
841 | @param VariableName Variable's unicode name string\r | |
842 | @param VariableData Variable's data pointer, \r | |
843 | @param VariableSize Variable's size.\r | |
80408db0 | 844 | \r |
2ab6330e | 845 | @return the status of gRT->GetVariable\r |
846 | **/\r | |
80408db0 | 847 | EFI_STATUS\r |
848 | GetHiiVariable (\r | |
849 | IN EFI_GUID *VariableGuid,\r | |
850 | IN UINT16 *VariableName,\r | |
851 | OUT UINT8 **VariableData,\r | |
852 | OUT UINTN *VariableSize\r | |
853 | )\r | |
854 | {\r | |
855 | UINTN Size;\r | |
856 | EFI_STATUS Status;\r | |
857 | UINT8 *Buffer;\r | |
858 | \r | |
859 | Size = 0;\r | |
860 | Buffer = NULL;\r | |
861 | \r | |
2ab6330e | 862 | //\r |
863 | // Firstly get the real size of HII variable\r | |
864 | //\r | |
80408db0 | 865 | Status = gRT->GetVariable (\r |
866 | (UINT16 *)VariableName,\r | |
867 | VariableGuid,\r | |
868 | NULL,\r | |
869 | &Size,\r | |
870 | Buffer\r | |
871 | );\r | |
872 | \r | |
2ab6330e | 873 | //\r |
874 | // Allocate buffer to hold whole variable data according to variable size.\r | |
875 | //\r | |
80408db0 | 876 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
877 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
878 | \r | |
879 | ASSERT (Buffer != NULL);\r | |
880 | \r | |
881 | Status = gRT->GetVariable (\r | |
882 | VariableName,\r | |
883 | VariableGuid,\r | |
884 | NULL,\r | |
885 | &Size,\r | |
886 | Buffer\r | |
887 | );\r | |
888 | \r | |
889 | ASSERT (Status == EFI_SUCCESS);\r | |
890 | *VariableData = Buffer;\r | |
891 | *VariableSize = Size;\r | |
0b1ef275 LG |
892 | } else {\r |
893 | //\r | |
894 | // Use Default Data only when variable is not found. \r | |
895 | // For other error status, correct data can't be got, and trig ASSERT().\r | |
896 | //\r | |
897 | ASSERT (Status == EFI_NOT_FOUND);\r | |
80408db0 | 898 | }\r |
899 | \r | |
900 | return Status;\r | |
901 | }\r | |
902 | \r | |
2ab6330e | 903 | /**\r |
904 | Find the local token number according to system SKU ID.\r | |
905 | \r | |
906 | @param LocalTokenNumber PCD token number\r | |
907 | @param Size The size of PCD entry.\r | |
908 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
909 | If False, the PCD entry is initialized in DXE phase.\r | |
910 | \r | |
911 | @return Token number according to system SKU ID.\r | |
80408db0 | 912 | \r |
2ab6330e | 913 | **/\r |
80408db0 | 914 | UINT32\r |
915 | GetSkuEnabledTokenNumber (\r | |
916 | UINT32 LocalTokenNumber,\r | |
917 | UINTN Size,\r | |
918 | BOOLEAN IsPeiDb\r | |
919 | ) \r | |
920 | {\r | |
921 | SKU_HEAD *SkuHead;\r | |
922 | SKU_ID *SkuIdTable;\r | |
2ab6330e | 923 | INTN Index;\r |
80408db0 | 924 | UINT8 *Value;\r |
80408db0 | 925 | UINT8 *PcdDb;\r |
419db80b | 926 | BOOLEAN FoundSku;\r |
80408db0 | 927 | \r |
928 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
929 | \r | |
419db80b | 930 | PcdDb = IsPeiDb ? (UINT8 *) mPcdDatabase.PeiDb : (UINT8 *) mPcdDatabase.DxeDb;\r |
80408db0 | 931 | \r |
932 | SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
933 | Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r | |
934 | \r | |
419db80b | 935 | SkuIdTable = (SKU_ID *)(PcdDb + SkuHead->SkuIdTableOffset);\r |
2ab6330e | 936 | //\r |
937 | // Find the current system's SKU ID entry in SKU ID table.\r | |
938 | //\r | |
419db80b | 939 | FoundSku = FALSE;\r |
2ab6330e | 940 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
419db80b BF |
941 | if (mPcdDatabase.PeiDb->SystemSkuId == SkuIdTable[Index + 1]) {\r |
942 | FoundSku = TRUE;\r | |
80408db0 | 943 | break;\r |
944 | }\r | |
945 | }\r | |
419db80b BF |
946 | \r |
947 | //\r | |
948 | // Find the default SKU ID entry in SKU ID table.\r | |
949 | //\r | |
950 | \r | |
951 | if(!FoundSku) {\r | |
952 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
953 | if (0 == SkuIdTable[Index + 1]) {\r | |
954 | break;\r | |
955 | }\r | |
956 | }\r | |
957 | }\r | |
2ab6330e | 958 | ASSERT (Index < SkuIdTable[0]);\r |
80408db0 | 959 | \r |
960 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
961 | case PCD_TYPE_VPD:\r | |
2ab6330e | 962 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r |
80408db0 | 963 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);\r |
964 | \r | |
965 | case PCD_TYPE_HII:\r | |
2ab6330e | 966 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r |
80408db0 | 967 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r |
968 | \r | |
419db80b BF |
969 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
970 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r | |
971 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII | PCD_TYPE_STRING);\r | |
972 | \r | |
80408db0 | 973 | case PCD_TYPE_STRING:\r |
2ab6330e | 974 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r |
80408db0 | 975 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r |
976 | \r | |
977 | case PCD_TYPE_DATA:\r | |
2ab6330e | 978 | Value += Size * Index;\r |
419db80b | 979 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_DATA);\r |
80408db0 | 980 | \r |
981 | default:\r | |
982 | ASSERT (FALSE);\r | |
983 | }\r | |
984 | \r | |
985 | ASSERT (FALSE);\r | |
986 | \r | |
987 | return 0;\r | |
988 | \r | |
989 | }\r | |
990 | \r | |
2ab6330e | 991 | /**\r |
992 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r | |
993 | has registered callback function.\r | |
80408db0 | 994 | \r |
2ab6330e | 995 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
996 | type PCD.\r | |
997 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
998 | PCD.\r | |
999 | @param TokenNumber PCD token number generated by build tools.\r | |
1000 | @param Data Value want to be set for this PCD entry\r | |
1001 | @param Size The size of value\r | |
80408db0 | 1002 | \r |
2ab6330e | 1003 | **/\r |
80408db0 | 1004 | VOID\r |
1005 | InvokeCallbackOnSet (\r | |
1006 | UINT32 ExTokenNumber,\r | |
1007 | CONST EFI_GUID *Guid, OPTIONAL\r | |
1008 | UINTN TokenNumber,\r | |
1009 | VOID *Data,\r | |
1010 | UINTN Size\r | |
1011 | )\r | |
1012 | {\r | |
1013 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
1014 | LIST_ENTRY *ListHead;\r | |
1015 | LIST_ENTRY *ListNode;\r | |
1016 | \r | |
1017 | //\r | |
1018 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1019 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 1020 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 1021 | //\r |
b07a5b68 | 1022 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 1023 | ListNode = GetFirstNode (ListHead);\r |
1024 | \r | |
1025 | while (ListNode != ListHead) {\r | |
b07a5b68 | 1026 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r |
80408db0 | 1027 | \r |
1028 | FnTableEntry->CallbackFn(Guid, \r | |
1029 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r | |
1030 | Data,\r | |
1031 | Size);\r | |
1032 | \r | |
1033 | ListNode = GetNextNode (ListHead, ListNode);\r | |
1034 | }\r | |
1035 | \r | |
1036 | return;\r | |
1037 | }\r | |
1038 | \r | |
1039 | \r | |
2ab6330e | 1040 | /**\r |
1041 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
1042 | \r | |
1043 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1044 | @param Data Value want to be set for PCD entry\r | |
1045 | @param Size Size of value.\r | |
1046 | \r | |
1047 | @return status of SetWorker.\r | |
1048 | \r | |
1049 | **/\r | |
80408db0 | 1050 | EFI_STATUS\r |
1051 | SetValueWorker (\r | |
1052 | IN UINTN TokenNumber,\r | |
1053 | IN VOID *Data,\r | |
1054 | IN UINTN Size\r | |
1055 | )\r | |
1056 | {\r | |
1057 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
1058 | }\r | |
1059 | \r | |
1060 | \r | |
2ab6330e | 1061 | /**\r |
1062 | Set value for an PCD entry\r | |
1063 | \r | |
1064 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1065 | @param Data Value want to be set for PCD entry\r | |
1066 | @param Size Size of value.\r | |
1067 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
1068 | If False, the type of PCD entry's value is not Pointer.\r | |
1069 | \r | |
1070 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
1071 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
149fb6d6 | 1072 | @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database. \r |
2ab6330e | 1073 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r |
1074 | range of UINT8, UINT16, UINT32, UINT64\r | |
1075 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
1076 | **/\r | |
80408db0 | 1077 | EFI_STATUS\r |
1078 | SetWorker (\r | |
1079 | IN UINTN TokenNumber,\r | |
1080 | IN VOID *Data,\r | |
1081 | IN OUT UINTN *Size,\r | |
1082 | IN BOOLEAN PtrType\r | |
1083 | )\r | |
1084 | {\r | |
80408db0 | 1085 | BOOLEAN IsPeiDb;\r |
1086 | UINT32 LocalTokenNumber;\r | |
1087 | EFI_GUID *GuidTable;\r | |
d0965169 | 1088 | UINT8 *StringTable;\r |
80408db0 | 1089 | EFI_GUID *Guid;\r |
1090 | UINT16 *Name;\r | |
1091 | UINTN VariableOffset;\r | |
1092 | VOID *InternalData;\r | |
1093 | VARIABLE_HEAD *VariableHead;\r | |
1094 | UINTN Offset;\r | |
1095 | UINT8 *PcdDb;\r | |
1096 | EFI_STATUS Status;\r | |
1097 | UINTN MaxSize;\r | |
1098 | UINTN TmpTokenNumber;\r | |
1099 | \r | |
80408db0 | 1100 | //\r |
1101 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1102 | // We have to decrement TokenNumber by 1 to make it usable\r | |
1103 | // as the array index.\r | |
1104 | //\r | |
1105 | TokenNumber--;\r | |
1106 | \r | |
1107 | TmpTokenNumber = TokenNumber;\r | |
1108 | \r | |
2ab6330e | 1109 | //\r |
80408db0 | 1110 | // EBC compiler is very choosy. It may report warning about comparison\r |
1111 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1112 | // comparison.\r | |
2ab6330e | 1113 | //\r |
419db80b | 1114 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 1115 | \r |
8ec8bed4 | 1116 | if (PtrType) {\r |
64894410 LG |
1117 | //\r |
1118 | // Get MaxSize first, then check new size with max buffer size.\r | |
1119 | //\r | |
1120 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
1121 | if (*Size > MaxSize) {\r | |
cb40609c | 1122 | *Size = MaxSize;\r |
8ec8bed4 | 1123 | return EFI_INVALID_PARAMETER;\r |
1124 | }\r | |
1125 | } else {\r | |
1126 | if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r | |
1127 | return EFI_INVALID_PARAMETER;\r | |
1128 | }\r | |
80408db0 | 1129 | }\r |
b07a5b68 | 1130 | \r |
2ab6330e | 1131 | //\r |
80408db0 | 1132 | // EBC compiler is very choosy. It may report warning about comparison\r |
1133 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1134 | // comparison.\r | |
2ab6330e | 1135 | //\r |
419db80b BF |
1136 | if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r |
1137 | (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r | |
b07a5b68 | 1138 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
1139 | }\r | |
80408db0 | 1140 | \r |
b07a5b68 | 1141 | //\r |
1142 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1143 | //\r | |
1144 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
80408db0 | 1145 | \r |
2ab6330e | 1146 | //\r |
80408db0 | 1147 | // EBC compiler is very choosy. It may report warning about comparison\r |
1148 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1149 | // comparison.\r | |
2ab6330e | 1150 | //\r |
419db80b | 1151 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
b07a5b68 | 1152 | \r |
96d6d004 | 1153 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 1154 | \r |
1155 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1156 | \r | |
419db80b | 1157 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
80408db0 | 1158 | \r |
309e3122 | 1159 | if (IsPeiDb) {\r |
419db80b | 1160 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 1161 | } else {\r |
419db80b | 1162 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 1163 | }\r |
1164 | \r | |
80408db0 | 1165 | \r |
1166 | InternalData = PcdDb + Offset;\r | |
1167 | \r | |
1168 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1169 | case PCD_TYPE_VPD:\r | |
1170 | ASSERT (FALSE);\r | |
1171 | Status = EFI_INVALID_PARAMETER;\r | |
1172 | break;\r | |
1173 | \r | |
1174 | case PCD_TYPE_STRING:\r | |
1175 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
6cfc7292 | 1176 | CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r |
80408db0 | 1177 | Status = EFI_SUCCESS;\r |
1178 | } else {\r | |
1179 | Status = EFI_INVALID_PARAMETER;\r | |
1180 | }\r | |
1181 | break;\r | |
1182 | \r | |
6ac15f7c | 1183 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 1184 | case PCD_TYPE_HII:\r |
1185 | if (PtrType) {\r | |
1186 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1187 | Status = EFI_INVALID_PARAMETER;\r | |
1188 | break;\r | |
1189 | }\r | |
1190 | }\r | |
419db80b | 1191 | \r |
309e3122 | 1192 | if (IsPeiDb) {\r |
419db80b | 1193 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 1194 | } else {\r |
419db80b | 1195 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 1196 | }\r |
419db80b | 1197 | \r |
80408db0 | 1198 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
419db80b | 1199 | \r |
1fef733c | 1200 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 1201 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r |
80408db0 | 1202 | VariableOffset = VariableHead->Offset;\r |
80408db0 | 1203 | Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);\r |
419db80b | 1204 | \r |
80408db0 | 1205 | if (EFI_NOT_FOUND == Status) {\r |
6ac15f7c | 1206 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
1207 | CopyMem (\r | |
6cfc7292 | 1208 | StringTable + *(STRING_HEAD *)(PcdDb + VariableHead->DefaultValueOffset),\r |
6ac15f7c | 1209 | Data,\r |
1210 | *Size\r | |
1211 | );\r | |
1212 | } else {\r | |
1213 | CopyMem (PcdDb + VariableHead->DefaultValueOffset, Data, *Size);\r | |
1214 | } \r | |
80408db0 | 1215 | Status = EFI_SUCCESS;\r |
6ac15f7c | 1216 | }\r |
80408db0 | 1217 | break;\r |
1218 | \r | |
1219 | case PCD_TYPE_DATA:\r | |
1220 | if (PtrType) {\r | |
1221 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1222 | CopyMem (InternalData, Data, *Size);\r | |
1223 | Status = EFI_SUCCESS;\r | |
1224 | } else {\r | |
1225 | Status = EFI_INVALID_PARAMETER;\r | |
1226 | }\r | |
1227 | break;\r | |
1228 | }\r | |
1229 | \r | |
1230 | Status = EFI_SUCCESS;\r | |
1231 | switch (*Size) {\r | |
1232 | case sizeof(UINT8):\r | |
1233 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
1234 | break;\r | |
1235 | \r | |
1236 | case sizeof(UINT16):\r | |
1237 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
1238 | break;\r | |
1239 | \r | |
1240 | case sizeof(UINT32):\r | |
1241 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
1242 | break;\r | |
1243 | \r | |
1244 | case sizeof(UINT64):\r | |
1245 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
1246 | break;\r | |
1247 | \r | |
1248 | default:\r | |
1249 | ASSERT (FALSE);\r | |
1250 | Status = EFI_NOT_FOUND;\r | |
1251 | break;\r | |
1252 | }\r | |
1253 | break;\r | |
1254 | \r | |
1255 | default:\r | |
1256 | ASSERT (FALSE);\r | |
1257 | Status = EFI_NOT_FOUND;\r | |
1258 | break;\r | |
1259 | }\r | |
1260 | \r | |
1261 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
1262 | \r | |
1263 | return Status;\r | |
1264 | }\r | |
1265 | \r | |
2ab6330e | 1266 | /**\r |
1267 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 1268 | \r |
2ab6330e | 1269 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 1270 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 1271 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 1272 | \r |
2ab6330e | 1273 | @return PCD entry in PCD database.\r |
80408db0 | 1274 | \r |
2ab6330e | 1275 | **/\r |
80408db0 | 1276 | VOID *\r |
1277 | ExGetWorker (\r | |
1278 | IN CONST EFI_GUID *Guid,\r | |
1279 | IN UINTN ExTokenNumber,\r | |
1280 | IN UINTN GetSize\r | |
1281 | ) \r | |
1282 | {\r | |
1283 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
1284 | }\r | |
1285 | \r | |
2ab6330e | 1286 | /**\r |
1287 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 1288 | \r |
2ab6330e | 1289 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
1290 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1291 | @param Data Value want to be set.\r | |
1292 | @param SetSize The size of value.\r | |
80408db0 | 1293 | \r |
2ab6330e | 1294 | @return status of ExSetWorker().\r |
80408db0 | 1295 | \r |
2ab6330e | 1296 | **/\r |
80408db0 | 1297 | EFI_STATUS\r |
1298 | ExSetValueWorker (\r | |
1299 | IN UINTN ExTokenNumber,\r | |
1300 | IN CONST EFI_GUID *Guid,\r | |
1301 | IN VOID *Data,\r | |
1302 | IN UINTN SetSize\r | |
1303 | )\r | |
1304 | {\r | |
1305 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
1306 | }\r | |
1307 | \r | |
2ab6330e | 1308 | /**\r |
419db80b | 1309 | Set value for a dynamic-ex PCD entry.\r |
2ab6330e | 1310 | \r |
1311 | This routine find the local token number according to dynamic-ex PCD's token \r | |
1312 | space guid and token number firstly, and invoke callback function if this PCD\r | |
1313 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
1314 | PCD value.\r | |
1315 | \r | |
1316 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
1317 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1318 | @param Data PCD value want to be set\r | |
1319 | @param SetSize Size of value.\r | |
1320 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
1321 | If FALSE, this PCD entry is not pointer type.\r | |
1322 | \r | |
1323 | @return status of SetWorker().\r | |
80408db0 | 1324 | \r |
2ab6330e | 1325 | **/\r |
80408db0 | 1326 | EFI_STATUS\r |
1327 | ExSetWorker (\r | |
1328 | IN UINTN ExTokenNumber,\r | |
1329 | IN CONST EFI_GUID *Guid,\r | |
1330 | IN VOID *Data,\r | |
1331 | IN OUT UINTN *SetSize,\r | |
1332 | IN BOOLEAN PtrType\r | |
1333 | )\r | |
1334 | {\r | |
1335 | UINTN TokenNumber;\r | |
1336 | \r | |
1337 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r | |
1338 | \r | |
1339 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
1340 | \r | |
1341 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
1342 | \r | |
1343 | }\r | |
1344 | \r | |
2ab6330e | 1345 | /**\r |
1346 | Set value for HII-type PCD.\r | |
80408db0 | 1347 | \r |
2ab6330e | 1348 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r |
1349 | HII-type PCD is to visit this variable.\r | |
1350 | \r | |
1351 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1352 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
1353 | @param Data Value want to be set.\r | |
1354 | @param DataSize Size of value\r | |
1355 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 1356 | \r |
2ab6330e | 1357 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 1358 | \r |
2ab6330e | 1359 | **/\r |
80408db0 | 1360 | EFI_STATUS\r |
1361 | SetHiiVariable (\r | |
1362 | IN EFI_GUID *VariableGuid,\r | |
1363 | IN UINT16 *VariableName,\r | |
1364 | IN CONST VOID *Data,\r | |
1365 | IN UINTN DataSize,\r | |
1366 | IN UINTN Offset\r | |
1367 | )\r | |
1368 | {\r | |
1369 | UINTN Size;\r | |
1370 | VOID *Buffer;\r | |
1371 | EFI_STATUS Status;\r | |
1372 | UINT32 Attribute;\r | |
b13151ff | 1373 | UINTN SetSize;\r |
80408db0 | 1374 | \r |
1375 | Size = 0;\r | |
b13151ff | 1376 | SetSize = 0;\r |
80408db0 | 1377 | \r |
746be876 | 1378 | //\r |
1379 | // Try to get original variable size information.\r | |
1380 | //\r | |
80408db0 | 1381 | Status = gRT->GetVariable (\r |
1382 | (UINT16 *)VariableName,\r | |
1383 | VariableGuid,\r | |
1384 | NULL,\r | |
1385 | &Size,\r | |
1386 | NULL\r | |
1387 | );\r | |
b13151ff | 1388 | \r |
80408db0 | 1389 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
746be876 | 1390 | //\r |
1391 | // Patch new PCD's value to offset in given HII variable.\r | |
1392 | //\r | |
b13151ff LG |
1393 | if (Size >= (DataSize + Offset)) {\r |
1394 | SetSize = Size;\r | |
1395 | } else {\r | |
1396 | SetSize = DataSize + Offset;\r | |
1397 | }\r | |
1398 | Buffer = AllocatePool (SetSize);\r | |
80408db0 | 1399 | ASSERT (Buffer != NULL);\r |
1400 | \r | |
1401 | Status = gRT->GetVariable (\r | |
1402 | VariableName,\r | |
1403 | VariableGuid,\r | |
1404 | &Attribute,\r | |
1405 | &Size,\r | |
1406 | Buffer\r | |
1407 | );\r | |
1408 | \r | |
1409 | ASSERT_EFI_ERROR (Status);\r | |
1410 | \r | |
1411 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1412 | \r | |
1413 | Status = gRT->SetVariable (\r | |
1414 | VariableName,\r | |
1415 | VariableGuid,\r | |
1416 | Attribute,\r | |
b13151ff | 1417 | SetSize,\r |
80408db0 | 1418 | Buffer\r |
1419 | );\r | |
1420 | \r | |
1421 | FreePool (Buffer);\r | |
1422 | return Status;\r | |
746be876 | 1423 | } else if (Status == EFI_NOT_FOUND) {\r |
1424 | //\r | |
1425 | // If variable does not exist, a new variable need to be created.\r | |
1426 | //\r | |
1427 | \r | |
1428 | Size = Offset + DataSize;\r | |
1429 | \r | |
1430 | Buffer = AllocateZeroPool (Size);\r | |
1431 | ASSERT (Buffer != NULL);\r | |
1432 | \r | |
1433 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1434 | \r | |
1435 | Status = gRT->SetVariable (\r | |
1436 | VariableName,\r | |
1437 | VariableGuid,\r | |
1438 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
1439 | Size,\r | |
1440 | Buffer\r | |
1441 | );\r | |
1442 | \r | |
1443 | FreePool (Buffer);\r | |
1444 | return Status; \r | |
1445 | }\r | |
80408db0 | 1446 | \r |
1447 | //\r | |
746be876 | 1448 | // If we drop to here, the value is failed to be written in to variable area\r |
1449 | // So, we will save the data in the PCD Database's volatile area.\r | |
80408db0 | 1450 | //\r |
1451 | return Status;\r | |
1452 | }\r | |
1453 | \r | |
2ab6330e | 1454 | /**\r |
419db80b | 1455 | Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r |
80408db0 | 1456 | \r |
2ab6330e | 1457 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1458 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
419db80b | 1459 | space guid: token number} to Token Number.\r |
2ab6330e | 1460 | \r |
1461 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
b9982883 | 1462 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1463 | \r |
419db80b | 1464 | @return Token Number for dynamic-ex PCD.\r |
80408db0 | 1465 | \r |
2ab6330e | 1466 | **/\r |
80408db0 | 1467 | UINTN \r |
1468 | GetExPcdTokenNumber (\r | |
1469 | IN CONST EFI_GUID *Guid,\r | |
1470 | IN UINT32 ExTokenNumber\r | |
1471 | )\r | |
1472 | {\r | |
2ab6330e | 1473 | UINT32 Index;\r |
80408db0 | 1474 | DYNAMICEX_MAPPING *ExMap;\r |
1475 | EFI_GUID *GuidTable;\r | |
1476 | EFI_GUID *MatchGuid;\r | |
1477 | UINTN MatchGuidIdx;\r | |
1478 | \r | |
419db80b BF |
1479 | if (!mPeiDatabaseEmpty) {\r |
1480 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r | |
1481 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r | |
1482 | \r | |
1483 | MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r | |
1484 | \r | |
80408db0 | 1485 | if (MatchGuid != NULL) {\r |
1486 | \r | |
1487 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
1488 | \r |
1489 | for (Index = 0; Index < mPeiExMapppingTableSize; Index++) {\r | |
2ab6330e | 1490 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1491 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1492 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1493 | }\r |
1494 | }\r | |
1495 | }\r | |
1496 | }\r | |
80408db0 | 1497 | \r |
419db80b BF |
1498 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r |
1499 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r | |
1500 | \r | |
1501 | MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r | |
80408db0 | 1502 | //\r |
1503 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1504 | // error in the BUILD system.\r | |
1505 | //\r | |
1506 | ASSERT (MatchGuid != NULL);\r | |
1507 | \r | |
1508 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
1509 | \r |
1510 | for (Index = 0; Index < mDxeExMapppingTableSize; Index++) {\r | |
2ab6330e | 1511 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1512 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1513 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1514 | }\r |
1515 | }\r | |
1516 | \r | |
1517 | ASSERT (FALSE);\r | |
1518 | \r | |
1519 | return 0;\r | |
1520 | }\r | |
1521 | \r | |
2ab6330e | 1522 | /**\r |
3fd8027e | 1523 | Get SKU ID table from PCD database.\r |
2ab6330e | 1524 | \r |
1525 | @param LocalTokenNumberTableIdx Index of local token number in token number table.\r | |
419db80b BF |
1526 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1527 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
2ab6330e | 1528 | @return Pointer to SKU ID array table\r |
1529 | \r | |
1530 | **/\r | |
80408db0 | 1531 | SKU_ID *\r |
1532 | GetSkuIdArray (\r | |
1533 | IN UINTN LocalTokenNumberTableIdx,\r | |
419db80b | 1534 | IN BOOLEAN IsPeiDb\r |
80408db0 | 1535 | )\r |
1536 | {\r | |
1537 | SKU_HEAD *SkuHead;\r | |
1538 | UINTN LocalTokenNumber;\r | |
1539 | UINT8 *Database;\r | |
1540 | \r | |
419db80b BF |
1541 | if (IsPeiDb) {\r |
1542 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r | |
1543 | Database = (UINT8 *) mPcdDatabase.PeiDb;\r | |
80408db0 | 1544 | } else {\r |
419db80b BF |
1545 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
1546 | Database = (UINT8 *) mPcdDatabase.DxeDb;\r | |
80408db0 | 1547 | }\r |
1548 | \r | |
1549 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
1550 | \r | |
1551 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
1552 | \r | |
1553 | return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);\r | |
1554 | \r | |
1555 | }\r | |
1556 | \r | |
2ab6330e | 1557 | /**\r |
3d53ba8b | 1558 | Wrapper function of getting index of PCD entry in size table.\r |
1559 | \r | |
2ab6330e | 1560 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1561 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1562 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1563 | \r | |
1564 | @return index of PCD entry in size table.\r | |
2ab6330e | 1565 | **/\r |
80408db0 | 1566 | UINTN\r |
3d53ba8b | 1567 | GetSizeTableIndex (\r |
1568 | IN UINTN LocalTokenNumberTableIdx,\r | |
1569 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1570 | )\r |
1571 | {\r | |
3d53ba8b | 1572 | UINT32 *LocalTokenNumberTable;\r |
1573 | UINTN LocalTokenNumber;\r | |
1574 | UINTN Index;\r | |
1575 | UINTN SizeTableIdx;\r | |
1576 | SKU_ID *SkuIdTable;\r | |
80408db0 | 1577 | \r |
3d53ba8b | 1578 | if (IsPeiDb) {\r |
419db80b | 1579 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1580 | } else {\r |
419db80b | 1581 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1582 | }\r |
1583 | \r | |
80408db0 | 1584 | SizeTableIdx = 0;\r |
1585 | \r | |
3d53ba8b | 1586 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1587 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1588 | \r |
1589 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1590 | //\r | |
1591 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1592 | // PCD entry.\r | |
1593 | //\r | |
2ab6330e | 1594 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1595 | //\r |
419db80b | 1596 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1597 | // 1) MAX Size.\r |
419db80b BF |
1598 | // 2) Current Size\r |
1599 | // Current size is equal to MAX size.\r | |
80408db0 | 1600 | //\r |
419db80b | 1601 | SizeTableIdx += 2;\r |
80408db0 | 1602 | } else {\r |
1603 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1604 | //\r | |
1605 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1606 | // 1) MAX SIZE\r | |
1607 | // 2) Current Size\r | |
1608 | //\r | |
1609 | SizeTableIdx += 2;\r | |
1610 | } else {\r | |
1611 | //\r | |
1612 | // We have these entry for SKU enabled PCD entry\r | |
1613 | // 1) MAX SIZE\r | |
1614 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1615 | //\r | |
2ab6330e | 1616 | SkuIdTable = GetSkuIdArray (Index, IsPeiDb);\r |
80408db0 | 1617 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r |
1618 | }\r | |
1619 | }\r | |
1620 | }\r | |
1621 | \r | |
1622 | }\r | |
1623 | \r | |
3d53ba8b | 1624 | return SizeTableIdx; \r |
80408db0 | 1625 | }\r |
1626 | \r | |
2ab6330e | 1627 | /**\r |
1628 | Get size of POINTER type PCD value.\r | |
1629 | \r | |
1630 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1631 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1632 | \r |
2ab6330e | 1633 | @return size of POINTER type PCD value.\r |
80408db0 | 1634 | \r |
2ab6330e | 1635 | **/\r |
80408db0 | 1636 | UINTN\r |
1637 | GetPtrTypeSize (\r | |
1638 | IN UINTN LocalTokenNumberTableIdx,\r | |
1639 | OUT UINTN *MaxSize\r | |
1640 | )\r | |
1641 | {\r | |
1642 | INTN SizeTableIdx;\r | |
1643 | UINTN LocalTokenNumber;\r | |
1644 | SKU_ID *SkuIdTable;\r | |
1645 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1646 | UINTN Index;\r |
80408db0 | 1647 | BOOLEAN IsPeiDb;\r |
1648 | UINT32 *LocalTokenNumberTable;\r | |
1649 | \r | |
1650 | // EBC compiler is very choosy. It may report warning about comparison\r | |
1651 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1652 | // comparison.\r | |
419db80b | 1653 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1654 | \r |
1655 | \r | |
1656 | if (IsPeiDb) {\r | |
419db80b BF |
1657 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1658 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1659 | } else {\r |
419db80b BF |
1660 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1661 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1662 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1663 | }\r |
1664 | \r | |
1665 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1666 | \r | |
1667 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1668 | \r | |
1669 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1670 | \r | |
1671 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1672 | //\r | |
1673 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1674 | // PCD entry.\r | |
1675 | //\r | |
2ab6330e | 1676 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1677 | //\r |
419db80b | 1678 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1679 | // 1) MAX Size.\r |
419db80b | 1680 | // 2) Current Size\r |
80408db0 | 1681 | // We consider current size is equal to MAX size.\r |
1682 | //\r | |
1683 | return *MaxSize;\r | |
1684 | } else {\r | |
1685 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1686 | //\r | |
1687 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1688 | // 1) MAX SIZE\r | |
1689 | // 2) Current Size\r | |
1690 | //\r | |
1691 | return SizeTable[SizeTableIdx + 1];\r | |
1692 | } else {\r | |
1693 | //\r | |
1694 | // We have these entry for SKU enabled PCD entry\r | |
1695 | // 1) MAX SIZE\r | |
1696 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1697 | //\r | |
1698 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1699 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
419db80b | 1700 | if (SkuIdTable[1 + Index] == mPcdDatabase.PeiDb->SystemSkuId) {\r |
2ab6330e | 1701 | return SizeTable[SizeTableIdx + 1 + Index];\r |
80408db0 | 1702 | }\r |
1703 | }\r | |
1704 | return SizeTable[SizeTableIdx + 1];\r | |
1705 | }\r | |
1706 | }\r | |
1707 | }\r | |
1708 | \r | |
2ab6330e | 1709 | /**\r |
3fd8027e | 1710 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1711 | of this PCD value.\r |
80408db0 | 1712 | \r |
2ab6330e | 1713 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1714 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1715 | \r |
2ab6330e | 1716 | @retval TRUE Success to set size of PCD value.\r |
1717 | @retval FALSE Fail to set size of PCD value.\r | |
1718 | **/\r | |
80408db0 | 1719 | BOOLEAN\r |
1720 | SetPtrTypeSize (\r | |
1721 | IN UINTN LocalTokenNumberTableIdx,\r | |
1722 | IN OUT UINTN *CurrentSize\r | |
1723 | )\r | |
1724 | {\r | |
1725 | INTN SizeTableIdx;\r | |
1726 | UINTN LocalTokenNumber;\r | |
1727 | SKU_ID *SkuIdTable;\r | |
1728 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1729 | UINTN Index;\r |
80408db0 | 1730 | UINTN MaxSize;\r |
1731 | BOOLEAN IsPeiDb;\r | |
1732 | UINT32 *LocalTokenNumberTable;\r | |
1733 | \r | |
2ab6330e | 1734 | //\r |
80408db0 | 1735 | // EBC compiler is very choosy. It may report warning about comparison\r |
1736 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1737 | // comparison.\r | |
2ab6330e | 1738 | //\r |
419db80b | 1739 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1740 | \r |
1741 | if (IsPeiDb) {\r | |
419db80b BF |
1742 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1743 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1744 | } else {\r |
419db80b BF |
1745 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1746 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1747 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1748 | }\r |
1749 | \r | |
1750 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1751 | \r | |
1752 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1753 | \r | |
1754 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1755 | \r | |
1756 | MaxSize = SizeTable[SizeTableIdx];\r | |
1757 | //\r | |
1758 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1759 | // PCD entry.\r | |
1760 | //\r | |
2ab6330e | 1761 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1762 | //\r |
1763 | // We shouldn't come here as we don't support SET for VPD\r | |
1764 | //\r | |
1765 | ASSERT (FALSE);\r | |
1766 | return FALSE;\r | |
1767 | } else {\r | |
1768 | if ((*CurrentSize > MaxSize) ||\r | |
1769 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1770 | *CurrentSize = MaxSize;\r | |
1771 | return FALSE;\r | |
1772 | } \r | |
1773 | \r | |
1774 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1775 | //\r | |
1776 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1777 | // 1) MAX SIZE\r | |
1778 | // 2) Current Size\r | |
1779 | //\r | |
1780 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1781 | return TRUE;\r | |
1782 | } else {\r | |
1783 | //\r | |
1784 | // We have these entry for SKU enabled PCD entry\r | |
1785 | // 1) MAX SIZE\r | |
1786 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1787 | //\r | |
1788 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1789 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
419db80b | 1790 | if (SkuIdTable[1 + Index] == mPcdDatabase.PeiDb->SystemSkuId) {\r |
2ab6330e | 1791 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r |
80408db0 | 1792 | return TRUE;\r |
1793 | }\r | |
1794 | }\r | |
1795 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1796 | return TRUE;\r | |
1797 | }\r | |
1798 | }\r | |
1799 | }\r |