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80408db0 | 1 | /** @file\r |
2ab6330e | 2 | Help functions used by PCD DXE driver.\r |
80408db0 | 3 | \r |
8cc87d32 | 4 | Copyright (c) 2014, Hewlett-Packard Development Company, L.P.<BR>\r |
85d0b97d | 5 | Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 6 | This program and the accompanying materials\r |
80408db0 | 7 | are licensed and made available under the terms and conditions of the BSD License\r |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
80408db0 | 14 | **/\r |
80408db0 | 15 | \r |
16 | #include "Service.h"\r | |
419db80b | 17 | #include <Library/DxeServicesLib.h>\r |
80408db0 | 18 | \r |
419db80b BF |
19 | PCD_DATABASE mPcdDatabase;\r |
20 | \r | |
21 | UINT32 mPcdTotalTokenCount; \r | |
22 | UINT32 mPeiLocalTokenCount; \r | |
23 | UINT32 mDxeLocalTokenCount; \r | |
24 | UINT32 mPeiNexTokenCount; \r | |
25 | UINT32 mDxeNexTokenCount; \r | |
26 | UINT32 mPeiExMapppingTableSize;\r | |
27 | UINT32 mDxeExMapppingTableSize;\r | |
28 | UINT32 mPeiGuidTableSize;\r | |
29 | UINT32 mDxeGuidTableSize;\r | |
30 | \r | |
31 | BOOLEAN mPeiExMapTableEmpty; \r | |
32 | BOOLEAN mDxeExMapTableEmpty; \r | |
33 | BOOLEAN mPeiDatabaseEmpty;\r | |
80408db0 | 34 | \r |
b07a5b68 | 35 | LIST_ENTRY *mCallbackFnTable;\r |
419db80b BF |
36 | EFI_GUID **TmpTokenSpaceBuffer;\r |
37 | UINTN TmpTokenSpaceBufferCount; \r | |
38 | \r | |
96d6d004 SZ |
39 | /**\r |
40 | Get Local Token Number by Token Number.\r | |
41 | \r | |
42 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
43 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
44 | @param[in] TokenNumber The PCD token number.\r | |
45 | \r | |
46 | @return Local Token Number.\r | |
47 | **/\r | |
48 | UINT32\r | |
49 | GetLocalTokenNumber (\r | |
50 | IN BOOLEAN IsPeiDb,\r | |
51 | IN UINTN TokenNumber\r | |
52 | )\r | |
53 | {\r | |
d5ad0813 | 54 | UINTN TmpTokenNumber;\r |
96d6d004 SZ |
55 | UINT32 *LocalTokenNumberTable;\r |
56 | UINT32 LocalTokenNumber;\r | |
57 | UINTN Size;\r | |
58 | UINTN MaxSize;\r | |
59 | \r | |
60 | //\r | |
61 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
62 | // We have to decrement TokenNumber by 1 to make it usable\r | |
63 | // as the array index.\r | |
64 | //\r | |
65 | TokenNumber--;\r | |
66 | \r | |
d5ad0813 SZ |
67 | //\r |
68 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
69 | // \r | |
70 | TmpTokenNumber = TokenNumber;\r | |
71 | \r | |
96d6d004 SZ |
72 | LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) : \r |
73 | (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
74 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
75 | \r | |
76 | LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r | |
77 | \r | |
78 | Size = (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r | |
79 | \r | |
80 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r | |
81 | if (Size == 0) {\r | |
d5ad0813 | 82 | GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r |
96d6d004 SZ |
83 | } else {\r |
84 | MaxSize = Size;\r | |
85 | }\r | |
86 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r | |
87 | }\r | |
88 | \r | |
89 | return LocalTokenNumber;\r | |
90 | }\r | |
91 | \r | |
92 | /**\r | |
93 | Get PCD type by Local Token Number.\r | |
94 | \r | |
95 | @param[in] LocalTokenNumber The PCD local token number.\r | |
96 | \r | |
97 | @return PCD type.\r | |
98 | **/\r | |
99 | EFI_PCD_TYPE\r | |
100 | GetPcdType (\r | |
101 | IN UINT32 LocalTokenNumber\r | |
102 | )\r | |
103 | {\r | |
104 | switch (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) {\r | |
105 | case PCD_DATUM_TYPE_POINTER:\r | |
106 | return EFI_PCD_TYPE_PTR;\r | |
107 | case PCD_DATUM_TYPE_UINT8:\r | |
b5bd21b0 | 108 | if ((LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) == PCD_DATUM_TYPE_UINT8_BOOLEAN) {\r |
96d6d004 SZ |
109 | return EFI_PCD_TYPE_BOOL;\r |
110 | } else {\r | |
111 | return EFI_PCD_TYPE_8;\r | |
112 | }\r | |
113 | case PCD_DATUM_TYPE_UINT16:\r | |
114 | return EFI_PCD_TYPE_16;\r | |
115 | case PCD_DATUM_TYPE_UINT32:\r | |
116 | return EFI_PCD_TYPE_32;\r | |
117 | case PCD_DATUM_TYPE_UINT64:\r | |
118 | return EFI_PCD_TYPE_64;\r | |
119 | default:\r | |
120 | ASSERT (FALSE);\r | |
121 | return EFI_PCD_TYPE_8;\r | |
122 | }\r | |
123 | }\r | |
124 | \r | |
125 | /**\r | |
126 | Get PCD name.\r | |
127 | \r | |
128 | @param[in] OnlyTokenSpaceName If TRUE, only need to get the TokenSpaceCName.\r | |
129 | If FALSE, need to get the full PCD name.\r | |
130 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
131 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
132 | @param[in] TokenNumber The PCD token number.\r | |
133 | \r | |
134 | @return The TokenSpaceCName or full PCD name.\r | |
135 | **/\r | |
136 | CHAR8 *\r | |
137 | GetPcdName (\r | |
138 | IN BOOLEAN OnlyTokenSpaceName,\r | |
139 | IN BOOLEAN IsPeiDb,\r | |
140 | IN UINTN TokenNumber\r | |
141 | )\r | |
142 | {\r | |
143 | PCD_DATABASE_INIT *Database;\r | |
144 | UINT8 *StringTable;\r | |
145 | PCD_NAME_INDEX *PcdNameIndex;\r | |
146 | CHAR8 *TokenSpaceName;\r | |
147 | CHAR8 *PcdName;\r | |
148 | CHAR8 *Name;\r | |
149 | \r | |
85d0b97d SZ |
150 | //\r |
151 | // Return NULL when PCD name table is absent. \r | |
152 | //\r | |
153 | if (IsPeiDb) {\r | |
154 | if (mPcdDatabase.PeiDb->PcdNameTableOffset == 0) {\r | |
155 | return NULL;\r | |
156 | }\r | |
157 | } else {\r | |
158 | if (mPcdDatabase.DxeDb->PcdNameTableOffset == 0) {\r | |
159 | return NULL;\r | |
160 | }\r | |
161 | }\r | |
162 | \r | |
96d6d004 SZ |
163 | //\r |
164 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
165 | // We have to decrement TokenNumber by 1 to make it usable\r | |
166 | // as the array index.\r | |
167 | //\r | |
168 | TokenNumber--;\r | |
169 | \r | |
170 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
171 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
172 | \r | |
173 | StringTable = (UINT8 *) Database + Database->StringTableOffset;\r | |
174 | \r | |
175 | //\r | |
176 | // Get the PCD name index.\r | |
177 | //\r | |
178 | PcdNameIndex = (PCD_NAME_INDEX *)((UINT8 *) Database + Database->PcdNameTableOffset) + TokenNumber;\r | |
179 | TokenSpaceName = (CHAR8 *)&StringTable[PcdNameIndex->TokenSpaceCNameIndex];\r | |
180 | PcdName = (CHAR8 *)&StringTable[PcdNameIndex->PcdCNameIndex];\r | |
181 | \r | |
182 | if (OnlyTokenSpaceName) {\r | |
183 | //\r | |
184 | // Only need to get the TokenSpaceCName.\r | |
185 | //\r | |
186 | Name = AllocateCopyPool (AsciiStrSize (TokenSpaceName), TokenSpaceName);\r | |
187 | } else {\r | |
188 | //\r | |
189 | // Need to get the full PCD name.\r | |
190 | //\r | |
191 | Name = AllocateZeroPool (AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName));\r | |
f47fc1cb | 192 | ASSERT (Name != NULL);\r |
96d6d004 SZ |
193 | //\r |
194 | // Catenate TokenSpaceCName and PcdCName with a '.' to form the full PCD name.\r | |
195 | //\r | |
196 | AsciiStrCat (Name, TokenSpaceName);\r | |
197 | Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.';\r | |
198 | AsciiStrCat (Name, PcdName); \r | |
199 | }\r | |
200 | \r | |
201 | return Name;\r | |
202 | }\r | |
203 | \r | |
204 | /**\r | |
205 | Retrieve additional information associated with a PCD token.\r | |
206 | \r | |
207 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
208 | human readable name that is associated with the token.\r | |
209 | \r | |
210 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
211 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
212 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
213 | @param[in] TokenNumber The PCD token number.\r | |
214 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
215 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName. \r | |
216 | \r | |
217 | @retval EFI_SUCCESS The PCD information was returned successfully\r | |
218 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
219 | **/\r | |
220 | EFI_STATUS\r | |
221 | ExGetPcdInfo (\r | |
222 | IN BOOLEAN IsPeiDb,\r | |
223 | IN CONST EFI_GUID *Guid,\r | |
224 | IN UINTN TokenNumber,\r | |
225 | OUT EFI_PCD_INFO *PcdInfo\r | |
226 | )\r | |
227 | {\r | |
228 | PCD_DATABASE_INIT *Database;\r | |
229 | UINTN GuidTableIdx;\r | |
230 | EFI_GUID *MatchGuid;\r | |
231 | EFI_GUID *GuidTable;\r | |
232 | DYNAMICEX_MAPPING *ExMapTable;\r | |
233 | UINTN Index;\r | |
234 | UINT32 LocalTokenNumber;\r | |
235 | \r | |
236 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
237 | \r | |
238 | GuidTable = (EFI_GUID *)((UINT8 *)Database + Database->GuidTableOffset);\r | |
239 | MatchGuid = ScanGuid (GuidTable, Database->GuidTableCount * sizeof(EFI_GUID), Guid);\r | |
240 | \r | |
241 | if (MatchGuid == NULL) {\r | |
242 | return EFI_NOT_FOUND;\r | |
243 | }\r | |
244 | \r | |
245 | GuidTableIdx = MatchGuid - GuidTable;\r | |
246 | \r | |
247 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)Database + Database->ExMapTableOffset);\r | |
248 | \r | |
249 | //\r | |
250 | // Find the PCD by GuidTableIdx and ExTokenNumber in ExMapTable.\r | |
251 | //\r | |
252 | for (Index = 0; Index < Database->ExTokenCount; Index++) {\r | |
253 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
254 | if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
255 | //\r | |
256 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
257 | // PcdSize to 0 and PcdName to the null-terminated ASCII string\r | |
258 | // associated with the token's namespace Guid.\r | |
259 | //\r | |
260 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
261 | PcdInfo->PcdSize = 0;\r | |
262 | //\r | |
263 | // Here use one representative in the token space to get the TokenSpaceCName.\r | |
264 | // \r | |
265 | PcdInfo->PcdName = GetPcdName (TRUE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
266 | return EFI_SUCCESS;\r | |
267 | } else if (ExMapTable[Index].ExTokenNumber == TokenNumber) {\r | |
268 | PcdInfo->PcdSize = DxePcdGetSize (ExMapTable[Index].TokenNumber);\r | |
269 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
270 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
271 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
272 | return EFI_SUCCESS;\r | |
273 | }\r | |
274 | }\r | |
275 | }\r | |
276 | \r | |
277 | return EFI_NOT_FOUND;\r | |
278 | }\r | |
279 | \r | |
280 | /**\r | |
281 | Retrieve additional information associated with a PCD token.\r | |
282 | \r | |
283 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
284 | human readable name that is associated with the token.\r | |
285 | \r | |
286 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
287 | @param[in] TokenNumber The PCD token number.\r | |
288 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
289 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
290 | \r | |
291 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
292 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
293 | **/\r | |
294 | EFI_STATUS\r | |
295 | DxeGetPcdInfo (\r | |
296 | IN CONST EFI_GUID *Guid,\r | |
297 | IN UINTN TokenNumber,\r | |
298 | OUT EFI_PCD_INFO *PcdInfo\r | |
299 | )\r | |
300 | {\r | |
301 | EFI_STATUS Status;\r | |
302 | BOOLEAN PeiExMapTableEmpty;\r | |
303 | BOOLEAN DxeExMapTableEmpty;\r | |
304 | UINT32 LocalTokenNumber;\r | |
305 | BOOLEAN IsPeiDb;\r | |
306 | \r | |
96d6d004 SZ |
307 | ASSERT (PcdInfo != NULL);\r |
308 | \r | |
309 | Status = EFI_NOT_FOUND;\r | |
310 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r | |
311 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
312 | \r | |
313 | if (Guid == NULL) {\r | |
314 | if (((TokenNumber + 1 > mPeiNexTokenCount + 1) && (TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r | |
315 | ((TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r | |
316 | return EFI_NOT_FOUND;\r | |
317 | } else if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
318 | //\r | |
319 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
320 | // PcdSize to 0 and PcdName to NULL for default Token Space.\r | |
321 | //\r | |
322 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
323 | PcdInfo->PcdSize = 0;\r | |
324 | PcdInfo->PcdName = NULL;\r | |
325 | } else {\r | |
326 | PcdInfo->PcdSize = DxePcdGetSize (TokenNumber);\r | |
327 | IsPeiDb = FALSE;\r | |
328 | if ((TokenNumber + 1 <= mPeiNexTokenCount + 1)) {\r | |
329 | IsPeiDb = TRUE;\r | |
330 | }\r | |
331 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r | |
332 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
333 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, TokenNumber);\r | |
334 | }\r | |
335 | return EFI_SUCCESS;\r | |
336 | }\r | |
337 | \r | |
338 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
339 | return EFI_NOT_FOUND;\r | |
340 | }\r | |
341 | \r | |
342 | if (!PeiExMapTableEmpty) {\r | |
343 | Status = ExGetPcdInfo (\r | |
344 | TRUE,\r | |
345 | Guid,\r | |
346 | TokenNumber,\r | |
347 | PcdInfo\r | |
348 | );\r | |
349 | }\r | |
350 | \r | |
351 | if (Status == EFI_SUCCESS) {\r | |
352 | return Status;\r | |
353 | }\r | |
354 | \r | |
355 | if (!DxeExMapTableEmpty) {\r | |
356 | Status = ExGetPcdInfo (\r | |
357 | FALSE,\r | |
358 | Guid,\r | |
359 | TokenNumber,\r | |
360 | PcdInfo\r | |
361 | );\r | |
362 | }\r | |
363 | \r | |
364 | return Status;\r | |
365 | }\r | |
80408db0 | 366 | \r |
2ab6330e | 367 | /**\r |
368 | Get the PCD entry pointer in PCD database.\r | |
369 | \r | |
370 | This routine will visit PCD database to find the PCD entry according to given\r | |
371 | token number. The given token number is autogened by build tools and it will be \r | |
372 | translated to local token number. Local token number contains PCD's type and \r | |
373 | offset of PCD entry in PCD database.\r | |
374 | \r | |
375 | @param TokenNumber Token's number, it is autogened by build tools\r | |
376 | @param GetSize The size of token's value\r | |
377 | \r | |
378 | @return PCD entry pointer in PCD database\r | |
379 | \r | |
380 | **/\r | |
80408db0 | 381 | VOID *\r |
382 | GetWorker (\r | |
2ab6330e | 383 | IN UINTN TokenNumber,\r |
384 | IN UINTN GetSize\r | |
80408db0 | 385 | )\r |
386 | {\r | |
80408db0 | 387 | EFI_GUID *GuidTable;\r |
d0965169 | 388 | UINT8 *StringTable;\r |
80408db0 | 389 | EFI_GUID *Guid;\r |
390 | UINT16 *Name;\r | |
391 | VARIABLE_HEAD *VariableHead;\r | |
392 | UINT8 *VaraiableDefaultBuffer;\r | |
393 | UINT8 *Data;\r | |
394 | VPD_HEAD *VpdHead;\r | |
395 | UINT8 *PcdDb;\r | |
396 | VOID *RetPtr;\r | |
80408db0 | 397 | UINTN TmpTokenNumber;\r |
398 | UINTN DataSize;\r | |
399 | EFI_STATUS Status;\r | |
400 | UINT32 LocalTokenNumber;\r | |
401 | UINT32 Offset;\r | |
6cfc7292 | 402 | STRING_HEAD StringTableIdx; \r |
80408db0 | 403 | BOOLEAN IsPeiDb;\r |
404 | \r | |
405 | //\r | |
406 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
407 | //\r | |
408 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
409 | \r | |
410 | RetPtr = NULL;\r | |
419db80b BF |
411 | \r |
412 | ASSERT (TokenNumber > 0);\r | |
80408db0 | 413 | //\r |
414 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
415 | // We have to decrement TokenNumber by 1 to make it usable\r | |
416 | // as the array index.\r | |
417 | //\r | |
418 | TokenNumber--;\r | |
419 | \r | |
420 | TmpTokenNumber = TokenNumber;\r | |
419db80b | 421 | \r |
80408db0 | 422 | //\r |
419db80b BF |
423 | // EBC compiler is very choosy. It may report warning about comparison\r |
424 | // between UINTN and 0 . So we add 1 in each size of the \r | |
80408db0 | 425 | // comparison.\r |
426 | //\r | |
419db80b | 427 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 428 | \r |
429 | ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));\r | |
430 | \r | |
431 | // EBC compiler is very choosy. It may report warning about comparison\r | |
432 | // between UINTN and 0 . So we add 1 in each size of the \r | |
433 | // comparison.\r | |
419db80b | 434 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
80408db0 | 435 | \r |
96d6d004 | 436 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 437 | \r |
419db80b | 438 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
309e3122 | 439 | \r |
440 | if (IsPeiDb) {\r | |
419db80b | 441 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 442 | } else {\r |
419db80b | 443 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 444 | }\r |
419db80b BF |
445 | \r |
446 | \r | |
80408db0 | 447 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
419db80b | 448 | \r |
80408db0 | 449 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
450 | case PCD_TYPE_VPD:\r | |
451 | VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);\r | |
188e4e84 | 452 | RetPtr = (VOID *) (UINTN) (PcdGet32 (PcdVpdBaseAddress) + VpdHead->Offset);\r |
419db80b | 453 | \r |
80408db0 | 454 | break;\r |
419db80b | 455 | \r |
6ac15f7c | 456 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 457 | case PCD_TYPE_HII:\r |
309e3122 | 458 | if (IsPeiDb) {\r |
419db80b | 459 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 460 | } else {\r |
419db80b | 461 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 462 | }\r |
419db80b | 463 | \r |
80408db0 | 464 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
1fef733c | 465 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 466 | Name = (UINT16*)(StringTable + VariableHead->StringIndex);\r |
419db80b | 467 | \r |
6ac15f7c | 468 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
419db80b BF |
469 | //\r |
470 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of \r | |
471 | // string array in string table.\r | |
472 | //\r | |
6cfc7292 | 473 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset); \r |
553e8669 | 474 | VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx); \r |
6ac15f7c | 475 | } else {\r |
476 | VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r | |
419db80b BF |
477 | }\r |
478 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
479 | if (Status == EFI_SUCCESS) {\r | |
553e8669 SZ |
480 | if (DataSize >= (VariableHead->Offset + GetSize)) {\r |
481 | if (GetSize == 0) {\r | |
482 | //\r | |
483 | // It is a pointer type. So get the MaxSize reserved for\r | |
484 | // this PCD entry.\r | |
485 | //\r | |
486 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r | |
487 | if (GetSize > (DataSize - VariableHead->Offset)) {\r | |
488 | //\r | |
489 | // Use actual valid size.\r | |
490 | //\r | |
491 | GetSize = DataSize - VariableHead->Offset;\r | |
492 | }\r | |
493 | }\r | |
0b1ef275 | 494 | //\r |
553e8669 SZ |
495 | // If the operation is successful, we copy the data\r |
496 | // to the default value buffer in the PCD Database.\r | |
497 | // So that we can free the Data allocated in GetHiiVariable.\r | |
0b1ef275 | 498 | //\r |
553e8669 | 499 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r |
6ac15f7c | 500 | }\r |
419db80b | 501 | FreePool (Data);\r |
80408db0 | 502 | }\r |
419db80b | 503 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r |
80408db0 | 504 | break;\r |
505 | \r | |
506 | case PCD_TYPE_STRING:\r | |
6cfc7292 | 507 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + Offset);\r |
1fef733c | 508 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 509 | break;\r |
510 | \r | |
511 | case PCD_TYPE_DATA:\r | |
512 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
513 | break;\r | |
514 | \r | |
515 | default:\r | |
516 | ASSERT (FALSE);\r | |
517 | break;\r | |
518 | \r | |
519 | }\r | |
520 | \r | |
521 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
419db80b | 522 | \r |
80408db0 | 523 | return RetPtr;\r |
419db80b | 524 | \r |
80408db0 | 525 | }\r |
526 | \r | |
2ab6330e | 527 | /**\r |
528 | Register the callback function for a PCD entry.\r | |
529 | \r | |
530 | This routine will register a callback function to a PCD entry by given token number\r | |
531 | and token space guid.\r | |
532 | \r | |
533 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
534 | @param Guid PCD token space's guid, \r | |
535 | if not NULL, this PCD is dynamicEx type PCD.\r | |
536 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 537 | \r |
2ab6330e | 538 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 539 | \r |
2ab6330e | 540 | **/\r |
80408db0 | 541 | EFI_STATUS\r |
542 | DxeRegisterCallBackWorker (\r | |
543 | IN UINTN TokenNumber,\r | |
2ab6330e | 544 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 545 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
546 | )\r | |
547 | {\r | |
548 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
549 | LIST_ENTRY *ListHead;\r | |
550 | LIST_ENTRY *ListNode;\r | |
551 | \r | |
552 | if (Guid != NULL) {\r | |
553 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
554 | }\r | |
555 | \r | |
556 | //\r | |
557 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
558 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 559 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 560 | //\r |
b07a5b68 | 561 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 562 | ListNode = GetFirstNode (ListHead);\r |
563 | \r | |
564 | while (ListNode != ListHead) {\r | |
565 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
566 | \r | |
567 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
568 | //\r | |
569 | // We only allow a Callback function to be register once\r | |
570 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
571 | //\r | |
572 | return EFI_SUCCESS;\r | |
573 | }\r | |
574 | ListNode = GetNextNode (ListHead, ListNode);\r | |
575 | }\r | |
576 | \r | |
577 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
578 | ASSERT (FnTableEntry != NULL);\r | |
579 | \r | |
580 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
581 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
582 | \r | |
583 | return EFI_SUCCESS;\r | |
584 | }\r | |
585 | \r | |
2ab6330e | 586 | /**\r |
587 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 588 | \r |
2ab6330e | 589 | This routine will unregister a callback function to a PCD entry by given token number\r |
590 | and token space guid.\r | |
80408db0 | 591 | \r |
2ab6330e | 592 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
593 | @param Guid PCD token space's guid.\r | |
594 | if not NULL, this PCD is dynamicEx type PCD.\r | |
595 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 596 | \r |
2ab6330e | 597 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
598 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
599 | **/\r | |
80408db0 | 600 | EFI_STATUS\r |
601 | DxeUnRegisterCallBackWorker (\r | |
602 | IN UINTN TokenNumber,\r | |
2ab6330e | 603 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 604 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
605 | )\r | |
606 | {\r | |
607 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
608 | LIST_ENTRY *ListHead;\r | |
609 | LIST_ENTRY *ListNode;\r | |
610 | \r | |
611 | if (Guid != NULL) {\r | |
612 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
613 | }\r | |
614 | \r | |
615 | //\r | |
616 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
617 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 618 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 619 | //\r |
b07a5b68 | 620 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 621 | ListNode = GetFirstNode (ListHead);\r |
622 | \r | |
623 | while (ListNode != ListHead) {\r | |
624 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
625 | \r | |
626 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
627 | //\r | |
628 | // We only allow a Callback function to be register once\r | |
629 | // for a TokenNumber. So we can safely remove the Node from\r | |
630 | // the Link List and return EFI_SUCCESS.\r | |
631 | //\r | |
632 | RemoveEntryList (ListNode);\r | |
633 | FreePool (FnTableEntry);\r | |
634 | \r | |
635 | return EFI_SUCCESS;\r | |
636 | }\r | |
637 | ListNode = GetNextNode (ListHead, ListNode);\r | |
638 | }\r | |
639 | \r | |
640 | return EFI_INVALID_PARAMETER;\r | |
641 | }\r | |
642 | \r | |
2ab6330e | 643 | /**\r |
644 | Get next token number in given token space.\r | |
645 | \r | |
646 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
647 | table to get token space according to given token space guid. Then scan given \r | |
648 | token number in found token space, if found, then return next token number in \r | |
649 | this token space.\r | |
650 | \r | |
651 | @param Guid Token space guid. Next token number will be scaned in \r | |
652 | this token space.\r | |
653 | @param TokenNumber Token number. \r | |
654 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
655 | token space table.\r | |
656 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
657 | in token space table.\r | |
658 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
659 | by given token space guid.\r | |
660 | @param SizeOfGuidTable The size of guid table.\r | |
661 | @param ExMapTable DynamicEx token number mapping table.\r | |
662 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
663 | \r | |
664 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
665 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 666 | \r |
2ab6330e | 667 | **/\r |
80408db0 | 668 | EFI_STATUS\r |
669 | ExGetNextTokeNumber (\r | |
670 | IN CONST EFI_GUID *Guid,\r | |
671 | IN OUT UINTN *TokenNumber,\r | |
672 | IN EFI_GUID *GuidTable,\r | |
673 | IN UINTN SizeOfGuidTable,\r | |
674 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
675 | IN UINTN SizeOfExMapTable\r | |
676 | )\r | |
677 | {\r | |
678 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 679 | UINTN Index;\r |
80408db0 | 680 | UINTN GuidTableIdx;\r |
681 | BOOLEAN Found;\r | |
419db80b | 682 | UINTN ExMapTableCount;\r |
80408db0 | 683 | \r |
2ab6330e | 684 | //\r |
685 | // Scan token space guid \r | |
686 | // \r | |
80408db0 | 687 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
688 | if (MatchGuid == NULL) {\r | |
689 | return EFI_NOT_FOUND;\r | |
690 | }\r | |
691 | \r | |
2ab6330e | 692 | //\r |
693 | // Find the token space table in dynamicEx mapping table.\r | |
694 | //\r | |
80408db0 | 695 | Found = FALSE;\r |
696 | GuidTableIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
697 | ExMapTableCount = SizeOfExMapTable / sizeof(ExMapTable[0]);\r |
698 | for (Index = 0; Index < ExMapTableCount; Index++) {\r | |
2ab6330e | 699 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 700 | Found = TRUE;\r |
701 | break;\r | |
702 | }\r | |
703 | }\r | |
704 | \r | |
705 | if (Found) {\r | |
2ab6330e | 706 | //\r |
707 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
708 | // token number in found token space.\r | |
709 | //\r | |
80408db0 | 710 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 711 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 712 | return EFI_SUCCESS;\r |
713 | }\r | |
714 | \r | |
419db80b | 715 | for ( ; Index < ExMapTableCount; Index++) {\r |
2ab6330e | 716 | if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r |
419db80b BF |
717 | break;\r |
718 | }\r | |
719 | }\r | |
720 | \r | |
721 | while (Index < ExMapTableCount) {\r | |
722 | Index++;\r | |
723 | if (Index == ExMapTableCount) {\r | |
724 | //\r | |
725 | // Exceed the length of ExMap Table\r | |
726 | //\r | |
727 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
728 | return EFI_NOT_FOUND;\r | |
729 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
730 | //\r | |
731 | // Found the next match\r | |
732 | //\r | |
733 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
734 | return EFI_SUCCESS;\r | |
80408db0 | 735 | }\r |
736 | }\r | |
737 | }\r | |
419db80b | 738 | \r |
80408db0 | 739 | return EFI_NOT_FOUND;\r |
740 | }\r | |
80408db0 | 741 | \r |
419db80b BF |
742 | /**\r |
743 | Find the PCD database.\r | |
744 | \r | |
745 | @retval The base address of external PCD database binary.\r | |
746 | @retval NULL Return NULL if not find.\r | |
747 | **/\r | |
748 | DXE_PCD_DATABASE *\r | |
749 | LocateExPcdBinary (\r | |
750 | VOID\r | |
751 | ) \r | |
752 | {\r | |
753 | DXE_PCD_DATABASE *DxePcdDbBinary;\r | |
754 | UINTN DxePcdDbSize;\r | |
755 | EFI_STATUS Status;\r | |
756 | \r | |
757 | DxePcdDbBinary = NULL;\r | |
758 | //\r | |
759 | // Search the External Pcd database from one section of current FFS, \r | |
760 | // and read it to memory\r | |
761 | //\r | |
762 | Status = GetSectionFromFfs (\r | |
763 | EFI_SECTION_RAW,\r | |
764 | 0,\r | |
765 | (VOID **) &DxePcdDbBinary,\r | |
766 | &DxePcdDbSize\r | |
767 | );\r | |
768 | ASSERT_EFI_ERROR (Status);\r | |
769 | \r | |
770 | //\r | |
771 | // Check the first bytes (Header Signature Guid) and build version.\r | |
772 | //\r | |
773 | if (!CompareGuid ((VOID *)DxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r | |
774 | (DxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r | |
775 | ASSERT (FALSE);\r | |
776 | }\r | |
777 | \r | |
778 | return DxePcdDbBinary;\r | |
779 | }\r | |
80408db0 | 780 | \r |
2ab6330e | 781 | /**\r |
782 | Initialize the PCD database in DXE phase.\r | |
783 | \r | |
784 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
785 | from GUID Hob.\r | |
80408db0 | 786 | \r |
2ab6330e | 787 | **/\r |
80408db0 | 788 | VOID\r |
789 | BuildPcdDxeDataBase (\r | |
790 | VOID\r | |
791 | )\r | |
792 | {\r | |
793 | PEI_PCD_DATABASE *PeiDatabase;\r | |
794 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 795 | UINTN Index;\r |
419db80b BF |
796 | UINT32 PcdDxeDbLen;\r |
797 | VOID *PcdDxeDb;\r | |
80408db0 | 798 | \r |
efd6b412 SZ |
799 | //\r |
800 | // Assign PCD Entries with default value to PCD DATABASE\r | |
801 | //\r | |
802 | mPcdDatabase.DxeDb = LocateExPcdBinary ();\r | |
803 | ASSERT(mPcdDatabase.DxeDb != NULL);\r | |
804 | PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r | |
805 | PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r | |
806 | ASSERT (PcdDxeDb != NULL);\r | |
807 | CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r | |
808 | FreePool (mPcdDatabase.DxeDb);\r | |
809 | mPcdDatabase.DxeDb = PcdDxeDb;\r | |
810 | \r | |
80408db0 | 811 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
812 | if (GuidHob != NULL) {\r | |
813 | \r | |
80408db0 | 814 | // \r |
815 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r | |
816 | // should not be included at all. So the GuidHob could\r | |
817 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
818 | // Value to PCD Database.\r | |
819 | //\r | |
820 | \r | |
821 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
822 | //\r | |
419db80b | 823 | // Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r |
80408db0 | 824 | //\r |
419db80b | 825 | mPcdDatabase.PeiDb = PeiDatabase;\r |
efd6b412 SZ |
826 | //\r |
827 | // Inherit the SystemSkuId from PEI phase.\r | |
828 | //\r | |
829 | mPcdDatabase.DxeDb->SystemSkuId = mPcdDatabase.PeiDb->SystemSkuId;\r | |
830 | } else {\r | |
831 | mPcdDatabase.PeiDb = AllocateZeroPool (sizeof (PEI_PCD_DATABASE));\r | |
832 | ASSERT(mPcdDatabase.PeiDb != NULL);\r | |
80408db0 | 833 | }\r |
834 | \r | |
419db80b BF |
835 | //\r |
836 | // Initialized the external PCD database local variables\r | |
837 | //\r | |
838 | mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r | |
839 | mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r | |
840 | \r | |
841 | mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
842 | mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
843 | mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r | |
844 | mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r | |
845 | \r | |
846 | mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r | |
847 | mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r | |
848 | mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount; \r | |
849 | \r | |
850 | mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
851 | mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
852 | mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r | |
853 | \r | |
854 | TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r | |
855 | TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r | |
80408db0 | 856 | \r |
857 | //\r | |
858 | // Initialized the Callback Function Table\r | |
859 | //\r | |
419db80b | 860 | mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r |
3fd8027e | 861 | ASSERT(mCallbackFnTable != NULL);\r |
419db80b BF |
862 | \r |
863 | //\r | |
80408db0 | 864 | // EBC compiler is very choosy. It may report warning about comparison\r |
865 | // between UINTN and 0 . So we add 1 in each size of the \r | |
866 | // comparison.\r | |
419db80b BF |
867 | //\r |
868 | for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r | |
2ab6330e | 869 | InitializeListHead (&mCallbackFnTable[Index]);\r |
80408db0 | 870 | }\r |
80408db0 | 871 | }\r |
872 | \r | |
2ab6330e | 873 | /**\r |
874 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 875 | \r |
2ab6330e | 876 | @param VariableGuid Variable's guid\r |
877 | @param VariableName Variable's unicode name string\r | |
878 | @param VariableData Variable's data pointer, \r | |
879 | @param VariableSize Variable's size.\r | |
80408db0 | 880 | \r |
2ab6330e | 881 | @return the status of gRT->GetVariable\r |
882 | **/\r | |
80408db0 | 883 | EFI_STATUS\r |
884 | GetHiiVariable (\r | |
885 | IN EFI_GUID *VariableGuid,\r | |
886 | IN UINT16 *VariableName,\r | |
887 | OUT UINT8 **VariableData,\r | |
888 | OUT UINTN *VariableSize\r | |
889 | )\r | |
890 | {\r | |
891 | UINTN Size;\r | |
892 | EFI_STATUS Status;\r | |
893 | UINT8 *Buffer;\r | |
894 | \r | |
895 | Size = 0;\r | |
896 | Buffer = NULL;\r | |
897 | \r | |
2ab6330e | 898 | //\r |
899 | // Firstly get the real size of HII variable\r | |
900 | //\r | |
80408db0 | 901 | Status = gRT->GetVariable (\r |
902 | (UINT16 *)VariableName,\r | |
903 | VariableGuid,\r | |
904 | NULL,\r | |
905 | &Size,\r | |
906 | Buffer\r | |
907 | );\r | |
908 | \r | |
2ab6330e | 909 | //\r |
910 | // Allocate buffer to hold whole variable data according to variable size.\r | |
911 | //\r | |
80408db0 | 912 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
913 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
914 | \r | |
915 | ASSERT (Buffer != NULL);\r | |
916 | \r | |
917 | Status = gRT->GetVariable (\r | |
918 | VariableName,\r | |
919 | VariableGuid,\r | |
920 | NULL,\r | |
921 | &Size,\r | |
922 | Buffer\r | |
923 | );\r | |
924 | \r | |
925 | ASSERT (Status == EFI_SUCCESS);\r | |
926 | *VariableData = Buffer;\r | |
927 | *VariableSize = Size;\r | |
0b1ef275 LG |
928 | } else {\r |
929 | //\r | |
930 | // Use Default Data only when variable is not found. \r | |
931 | // For other error status, correct data can't be got, and trig ASSERT().\r | |
932 | //\r | |
933 | ASSERT (Status == EFI_NOT_FOUND);\r | |
80408db0 | 934 | }\r |
935 | \r | |
936 | return Status;\r | |
937 | }\r | |
938 | \r | |
2ab6330e | 939 | /**\r |
940 | Find the local token number according to system SKU ID.\r | |
941 | \r | |
942 | @param LocalTokenNumber PCD token number\r | |
943 | @param Size The size of PCD entry.\r | |
944 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
945 | If False, the PCD entry is initialized in DXE phase.\r | |
946 | \r | |
947 | @return Token number according to system SKU ID.\r | |
80408db0 | 948 | \r |
2ab6330e | 949 | **/\r |
80408db0 | 950 | UINT32\r |
951 | GetSkuEnabledTokenNumber (\r | |
952 | UINT32 LocalTokenNumber,\r | |
953 | UINTN Size,\r | |
954 | BOOLEAN IsPeiDb\r | |
955 | ) \r | |
956 | {\r | |
957 | SKU_HEAD *SkuHead;\r | |
958 | SKU_ID *SkuIdTable;\r | |
2ab6330e | 959 | INTN Index;\r |
80408db0 | 960 | UINT8 *Value;\r |
80408db0 | 961 | UINT8 *PcdDb;\r |
419db80b | 962 | BOOLEAN FoundSku;\r |
80408db0 | 963 | \r |
964 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
965 | \r | |
419db80b | 966 | PcdDb = IsPeiDb ? (UINT8 *) mPcdDatabase.PeiDb : (UINT8 *) mPcdDatabase.DxeDb;\r |
80408db0 | 967 | \r |
968 | SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
969 | Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r | |
970 | \r | |
419db80b | 971 | SkuIdTable = (SKU_ID *)(PcdDb + SkuHead->SkuIdTableOffset);\r |
2ab6330e | 972 | //\r |
973 | // Find the current system's SKU ID entry in SKU ID table.\r | |
974 | //\r | |
419db80b | 975 | FoundSku = FALSE;\r |
2ab6330e | 976 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 977 | if (mPcdDatabase.DxeDb->SystemSkuId == SkuIdTable[Index + 1]) {\r |
419db80b | 978 | FoundSku = TRUE;\r |
80408db0 | 979 | break;\r |
980 | }\r | |
981 | }\r | |
419db80b BF |
982 | \r |
983 | //\r | |
984 | // Find the default SKU ID entry in SKU ID table.\r | |
985 | //\r | |
986 | \r | |
987 | if(!FoundSku) {\r | |
988 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
989 | if (0 == SkuIdTable[Index + 1]) {\r | |
990 | break;\r | |
991 | }\r | |
992 | }\r | |
993 | }\r | |
2ab6330e | 994 | ASSERT (Index < SkuIdTable[0]);\r |
80408db0 | 995 | \r |
996 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
997 | case PCD_TYPE_VPD:\r | |
2ab6330e | 998 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r |
80408db0 | 999 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);\r |
1000 | \r | |
1001 | case PCD_TYPE_HII:\r | |
2ab6330e | 1002 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r |
80408db0 | 1003 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r |
1004 | \r | |
419db80b BF |
1005 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
1006 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r | |
1007 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII | PCD_TYPE_STRING);\r | |
1008 | \r | |
80408db0 | 1009 | case PCD_TYPE_STRING:\r |
2ab6330e | 1010 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r |
80408db0 | 1011 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r |
1012 | \r | |
1013 | case PCD_TYPE_DATA:\r | |
2ab6330e | 1014 | Value += Size * Index;\r |
419db80b | 1015 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_DATA);\r |
80408db0 | 1016 | \r |
1017 | default:\r | |
1018 | ASSERT (FALSE);\r | |
1019 | }\r | |
1020 | \r | |
1021 | ASSERT (FALSE);\r | |
1022 | \r | |
1023 | return 0;\r | |
1024 | \r | |
1025 | }\r | |
1026 | \r | |
2ab6330e | 1027 | /**\r |
1028 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r | |
1029 | has registered callback function.\r | |
80408db0 | 1030 | \r |
2ab6330e | 1031 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
1032 | type PCD.\r | |
1033 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
1034 | PCD.\r | |
1035 | @param TokenNumber PCD token number generated by build tools.\r | |
1036 | @param Data Value want to be set for this PCD entry\r | |
1037 | @param Size The size of value\r | |
80408db0 | 1038 | \r |
2ab6330e | 1039 | **/\r |
80408db0 | 1040 | VOID\r |
1041 | InvokeCallbackOnSet (\r | |
1042 | UINT32 ExTokenNumber,\r | |
1043 | CONST EFI_GUID *Guid, OPTIONAL\r | |
1044 | UINTN TokenNumber,\r | |
1045 | VOID *Data,\r | |
1046 | UINTN Size\r | |
1047 | )\r | |
1048 | {\r | |
1049 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
1050 | LIST_ENTRY *ListHead;\r | |
1051 | LIST_ENTRY *ListNode;\r | |
1052 | \r | |
1053 | //\r | |
1054 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1055 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 1056 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 1057 | //\r |
b07a5b68 | 1058 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 1059 | ListNode = GetFirstNode (ListHead);\r |
1060 | \r | |
1061 | while (ListNode != ListHead) {\r | |
b07a5b68 | 1062 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r |
80408db0 | 1063 | \r |
1064 | FnTableEntry->CallbackFn(Guid, \r | |
1065 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r | |
1066 | Data,\r | |
1067 | Size);\r | |
1068 | \r | |
1069 | ListNode = GetNextNode (ListHead, ListNode);\r | |
1070 | }\r | |
1071 | \r | |
1072 | return;\r | |
1073 | }\r | |
1074 | \r | |
1075 | \r | |
2ab6330e | 1076 | /**\r |
1077 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
1078 | \r | |
1079 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1080 | @param Data Value want to be set for PCD entry\r | |
1081 | @param Size Size of value.\r | |
1082 | \r | |
1083 | @return status of SetWorker.\r | |
1084 | \r | |
1085 | **/\r | |
80408db0 | 1086 | EFI_STATUS\r |
1087 | SetValueWorker (\r | |
1088 | IN UINTN TokenNumber,\r | |
1089 | IN VOID *Data,\r | |
1090 | IN UINTN Size\r | |
1091 | )\r | |
1092 | {\r | |
1093 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
1094 | }\r | |
1095 | \r | |
1096 | \r | |
2ab6330e | 1097 | /**\r |
1098 | Set value for an PCD entry\r | |
1099 | \r | |
1100 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1101 | @param Data Value want to be set for PCD entry\r | |
1102 | @param Size Size of value.\r | |
1103 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
1104 | If False, the type of PCD entry's value is not Pointer.\r | |
1105 | \r | |
1106 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
1107 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
149fb6d6 | 1108 | @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database. \r |
2ab6330e | 1109 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r |
1110 | range of UINT8, UINT16, UINT32, UINT64\r | |
1111 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
1112 | **/\r | |
80408db0 | 1113 | EFI_STATUS\r |
1114 | SetWorker (\r | |
1115 | IN UINTN TokenNumber,\r | |
1116 | IN VOID *Data,\r | |
1117 | IN OUT UINTN *Size,\r | |
1118 | IN BOOLEAN PtrType\r | |
1119 | )\r | |
1120 | {\r | |
80408db0 | 1121 | BOOLEAN IsPeiDb;\r |
1122 | UINT32 LocalTokenNumber;\r | |
1123 | EFI_GUID *GuidTable;\r | |
d0965169 | 1124 | UINT8 *StringTable;\r |
80408db0 | 1125 | EFI_GUID *Guid;\r |
1126 | UINT16 *Name;\r | |
1127 | UINTN VariableOffset;\r | |
23f3e119 | 1128 | UINT32 Attributes;\r |
80408db0 | 1129 | VOID *InternalData;\r |
1130 | VARIABLE_HEAD *VariableHead;\r | |
1131 | UINTN Offset;\r | |
1132 | UINT8 *PcdDb;\r | |
1133 | EFI_STATUS Status;\r | |
1134 | UINTN MaxSize;\r | |
1135 | UINTN TmpTokenNumber;\r | |
1136 | \r | |
80408db0 | 1137 | //\r |
1138 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1139 | // We have to decrement TokenNumber by 1 to make it usable\r | |
1140 | // as the array index.\r | |
1141 | //\r | |
1142 | TokenNumber--;\r | |
1143 | \r | |
1144 | TmpTokenNumber = TokenNumber;\r | |
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 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 1152 | \r |
8ec8bed4 | 1153 | if (PtrType) {\r |
64894410 LG |
1154 | //\r |
1155 | // Get MaxSize first, then check new size with max buffer size.\r | |
1156 | //\r | |
1157 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
1158 | if (*Size > MaxSize) {\r | |
cb40609c | 1159 | *Size = MaxSize;\r |
8ec8bed4 | 1160 | return EFI_INVALID_PARAMETER;\r |
1161 | }\r | |
1162 | } else {\r | |
1163 | if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r | |
1164 | return EFI_INVALID_PARAMETER;\r | |
1165 | }\r | |
80408db0 | 1166 | }\r |
b07a5b68 | 1167 | \r |
2ab6330e | 1168 | //\r |
80408db0 | 1169 | // EBC compiler is very choosy. It may report warning about comparison\r |
1170 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1171 | // comparison.\r | |
2ab6330e | 1172 | //\r |
419db80b BF |
1173 | if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r |
1174 | (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r | |
b07a5b68 | 1175 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
1176 | }\r | |
80408db0 | 1177 | \r |
b07a5b68 | 1178 | //\r |
1179 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1180 | //\r | |
1181 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
80408db0 | 1182 | \r |
2ab6330e | 1183 | //\r |
80408db0 | 1184 | // EBC compiler is very choosy. It may report warning about comparison\r |
1185 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1186 | // comparison.\r | |
2ab6330e | 1187 | //\r |
419db80b | 1188 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
b07a5b68 | 1189 | \r |
96d6d004 | 1190 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 1191 | \r |
1192 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1193 | \r | |
419db80b | 1194 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
80408db0 | 1195 | \r |
309e3122 | 1196 | if (IsPeiDb) {\r |
419db80b | 1197 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 1198 | } else {\r |
419db80b | 1199 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 1200 | }\r |
1201 | \r | |
80408db0 | 1202 | \r |
1203 | InternalData = PcdDb + Offset;\r | |
1204 | \r | |
1205 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1206 | case PCD_TYPE_VPD:\r | |
1207 | ASSERT (FALSE);\r | |
1208 | Status = EFI_INVALID_PARAMETER;\r | |
1209 | break;\r | |
1210 | \r | |
1211 | case PCD_TYPE_STRING:\r | |
1212 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
6cfc7292 | 1213 | CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r |
80408db0 | 1214 | Status = EFI_SUCCESS;\r |
1215 | } else {\r | |
1216 | Status = EFI_INVALID_PARAMETER;\r | |
1217 | }\r | |
1218 | break;\r | |
1219 | \r | |
6ac15f7c | 1220 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 1221 | case PCD_TYPE_HII:\r |
1222 | if (PtrType) {\r | |
1223 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1224 | Status = EFI_INVALID_PARAMETER;\r | |
1225 | break;\r | |
1226 | }\r | |
1227 | }\r | |
419db80b | 1228 | \r |
309e3122 | 1229 | if (IsPeiDb) {\r |
419db80b | 1230 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 1231 | } else {\r |
419db80b | 1232 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 1233 | }\r |
419db80b | 1234 | \r |
80408db0 | 1235 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
419db80b | 1236 | \r |
1fef733c | 1237 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 1238 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r |
80408db0 | 1239 | VariableOffset = VariableHead->Offset;\r |
23f3e119 SZ |
1240 | Attributes = VariableHead->Attributes;\r |
1241 | Status = SetHiiVariable (Guid, Name, Attributes, Data, *Size, VariableOffset);\r | |
80408db0 | 1242 | break;\r |
1243 | \r | |
1244 | case PCD_TYPE_DATA:\r | |
1245 | if (PtrType) {\r | |
1246 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1247 | CopyMem (InternalData, Data, *Size);\r | |
1248 | Status = EFI_SUCCESS;\r | |
1249 | } else {\r | |
1250 | Status = EFI_INVALID_PARAMETER;\r | |
1251 | }\r | |
1252 | break;\r | |
1253 | }\r | |
1254 | \r | |
1255 | Status = EFI_SUCCESS;\r | |
1256 | switch (*Size) {\r | |
1257 | case sizeof(UINT8):\r | |
1258 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
1259 | break;\r | |
1260 | \r | |
1261 | case sizeof(UINT16):\r | |
1262 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
1263 | break;\r | |
1264 | \r | |
1265 | case sizeof(UINT32):\r | |
1266 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
1267 | break;\r | |
1268 | \r | |
1269 | case sizeof(UINT64):\r | |
1270 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
1271 | break;\r | |
1272 | \r | |
1273 | default:\r | |
1274 | ASSERT (FALSE);\r | |
1275 | Status = EFI_NOT_FOUND;\r | |
1276 | break;\r | |
1277 | }\r | |
1278 | break;\r | |
1279 | \r | |
1280 | default:\r | |
1281 | ASSERT (FALSE);\r | |
1282 | Status = EFI_NOT_FOUND;\r | |
1283 | break;\r | |
1284 | }\r | |
1285 | \r | |
1286 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
1287 | \r | |
1288 | return Status;\r | |
1289 | }\r | |
1290 | \r | |
2ab6330e | 1291 | /**\r |
1292 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 1293 | \r |
2ab6330e | 1294 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 1295 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 1296 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 1297 | \r |
2ab6330e | 1298 | @return PCD entry in PCD database.\r |
80408db0 | 1299 | \r |
2ab6330e | 1300 | **/\r |
80408db0 | 1301 | VOID *\r |
1302 | ExGetWorker (\r | |
1303 | IN CONST EFI_GUID *Guid,\r | |
1304 | IN UINTN ExTokenNumber,\r | |
1305 | IN UINTN GetSize\r | |
1306 | ) \r | |
1307 | {\r | |
1308 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
1309 | }\r | |
1310 | \r | |
2ab6330e | 1311 | /**\r |
1312 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 1313 | \r |
2ab6330e | 1314 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
1315 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1316 | @param Data Value want to be set.\r | |
1317 | @param SetSize The size of value.\r | |
80408db0 | 1318 | \r |
2ab6330e | 1319 | @return status of ExSetWorker().\r |
80408db0 | 1320 | \r |
2ab6330e | 1321 | **/\r |
80408db0 | 1322 | EFI_STATUS\r |
1323 | ExSetValueWorker (\r | |
1324 | IN UINTN ExTokenNumber,\r | |
1325 | IN CONST EFI_GUID *Guid,\r | |
1326 | IN VOID *Data,\r | |
1327 | IN UINTN SetSize\r | |
1328 | )\r | |
1329 | {\r | |
1330 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
1331 | }\r | |
1332 | \r | |
2ab6330e | 1333 | /**\r |
419db80b | 1334 | Set value for a dynamic-ex PCD entry.\r |
2ab6330e | 1335 | \r |
1336 | This routine find the local token number according to dynamic-ex PCD's token \r | |
1337 | space guid and token number firstly, and invoke callback function if this PCD\r | |
1338 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
1339 | PCD value.\r | |
1340 | \r | |
1341 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
1342 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1343 | @param Data PCD value want to be set\r | |
1344 | @param SetSize Size of value.\r | |
1345 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
1346 | If FALSE, this PCD entry is not pointer type.\r | |
1347 | \r | |
1348 | @return status of SetWorker().\r | |
80408db0 | 1349 | \r |
2ab6330e | 1350 | **/\r |
80408db0 | 1351 | EFI_STATUS\r |
1352 | ExSetWorker (\r | |
1353 | IN UINTN ExTokenNumber,\r | |
1354 | IN CONST EFI_GUID *Guid,\r | |
1355 | IN VOID *Data,\r | |
1356 | IN OUT UINTN *SetSize,\r | |
1357 | IN BOOLEAN PtrType\r | |
1358 | )\r | |
1359 | {\r | |
1360 | UINTN TokenNumber;\r | |
1361 | \r | |
1362 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r | |
1363 | \r | |
1364 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
1365 | \r | |
1366 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
1367 | \r | |
1368 | }\r | |
1369 | \r | |
2ab6330e | 1370 | /**\r |
1371 | Set value for HII-type PCD.\r | |
80408db0 | 1372 | \r |
2ab6330e | 1373 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r |
1374 | HII-type PCD is to visit this variable.\r | |
1375 | \r | |
1376 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1377 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
23f3e119 | 1378 | @param SetAttributes Attributes bitmask to set for the variable.\r |
2ab6330e | 1379 | @param Data Value want to be set.\r |
1380 | @param DataSize Size of value\r | |
1381 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 1382 | \r |
2ab6330e | 1383 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 1384 | \r |
2ab6330e | 1385 | **/\r |
80408db0 | 1386 | EFI_STATUS\r |
1387 | SetHiiVariable (\r | |
1388 | IN EFI_GUID *VariableGuid,\r | |
1389 | IN UINT16 *VariableName,\r | |
23f3e119 | 1390 | IN UINT32 SetAttributes,\r |
80408db0 | 1391 | IN CONST VOID *Data,\r |
1392 | IN UINTN DataSize,\r | |
1393 | IN UINTN Offset\r | |
1394 | )\r | |
1395 | {\r | |
1396 | UINTN Size;\r | |
1397 | VOID *Buffer;\r | |
1398 | EFI_STATUS Status;\r | |
1399 | UINT32 Attribute;\r | |
b13151ff | 1400 | UINTN SetSize;\r |
80408db0 | 1401 | \r |
1402 | Size = 0;\r | |
b13151ff | 1403 | SetSize = 0;\r |
80408db0 | 1404 | \r |
746be876 | 1405 | //\r |
1406 | // Try to get original variable size information.\r | |
1407 | //\r | |
80408db0 | 1408 | Status = gRT->GetVariable (\r |
1409 | (UINT16 *)VariableName,\r | |
1410 | VariableGuid,\r | |
1411 | NULL,\r | |
1412 | &Size,\r | |
1413 | NULL\r | |
1414 | );\r | |
b13151ff | 1415 | \r |
80408db0 | 1416 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
746be876 | 1417 | //\r |
1418 | // Patch new PCD's value to offset in given HII variable.\r | |
1419 | //\r | |
23f3e119 | 1420 | if (Size >= (DataSize + Offset)) {\r |
b13151ff LG |
1421 | SetSize = Size;\r |
1422 | } else {\r | |
1423 | SetSize = DataSize + Offset;\r | |
1424 | }\r | |
1425 | Buffer = AllocatePool (SetSize);\r | |
80408db0 | 1426 | ASSERT (Buffer != NULL);\r |
1427 | \r | |
1428 | Status = gRT->GetVariable (\r | |
1429 | VariableName,\r | |
1430 | VariableGuid,\r | |
1431 | &Attribute,\r | |
1432 | &Size,\r | |
1433 | Buffer\r | |
1434 | );\r | |
1435 | \r | |
1436 | ASSERT_EFI_ERROR (Status);\r | |
1437 | \r | |
1438 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1439 | \r | |
23f3e119 SZ |
1440 | if (SetAttributes == 0) {\r |
1441 | SetAttributes = Attribute;\r | |
1442 | }\r | |
1443 | \r | |
80408db0 | 1444 | Status = gRT->SetVariable (\r |
1445 | VariableName,\r | |
1446 | VariableGuid,\r | |
23f3e119 | 1447 | SetAttributes,\r |
b13151ff | 1448 | SetSize,\r |
80408db0 | 1449 | Buffer\r |
1450 | );\r | |
1451 | \r | |
1452 | FreePool (Buffer);\r | |
1453 | return Status;\r | |
746be876 | 1454 | } else if (Status == EFI_NOT_FOUND) {\r |
1455 | //\r | |
1456 | // If variable does not exist, a new variable need to be created.\r | |
1457 | //\r | |
1458 | \r | |
1459 | Size = Offset + DataSize;\r | |
1460 | \r | |
1461 | Buffer = AllocateZeroPool (Size);\r | |
1462 | ASSERT (Buffer != NULL);\r | |
1463 | \r | |
1464 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
23f3e119 SZ |
1465 | \r |
1466 | if (SetAttributes == 0) {\r | |
1467 | SetAttributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;\r | |
1468 | }\r | |
1469 | \r | |
746be876 | 1470 | Status = gRT->SetVariable (\r |
1471 | VariableName,\r | |
1472 | VariableGuid,\r | |
23f3e119 | 1473 | SetAttributes,\r |
746be876 | 1474 | Size,\r |
1475 | Buffer\r | |
1476 | );\r | |
1477 | \r | |
1478 | FreePool (Buffer);\r | |
1479 | return Status; \r | |
1480 | }\r | |
80408db0 | 1481 | \r |
1482 | //\r | |
23f3e119 | 1483 | // If we drop to here, the value is failed to be written in to variable area.\r |
80408db0 | 1484 | //\r |
1485 | return Status;\r | |
1486 | }\r | |
1487 | \r | |
2ab6330e | 1488 | /**\r |
419db80b | 1489 | Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r |
80408db0 | 1490 | \r |
2ab6330e | 1491 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1492 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
419db80b | 1493 | space guid: token number} to Token Number.\r |
2ab6330e | 1494 | \r |
1495 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
b9982883 | 1496 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1497 | \r |
419db80b | 1498 | @return Token Number for dynamic-ex PCD.\r |
80408db0 | 1499 | \r |
2ab6330e | 1500 | **/\r |
80408db0 | 1501 | UINTN \r |
1502 | GetExPcdTokenNumber (\r | |
1503 | IN CONST EFI_GUID *Guid,\r | |
1504 | IN UINT32 ExTokenNumber\r | |
1505 | )\r | |
1506 | {\r | |
2ab6330e | 1507 | UINT32 Index;\r |
80408db0 | 1508 | DYNAMICEX_MAPPING *ExMap;\r |
1509 | EFI_GUID *GuidTable;\r | |
1510 | EFI_GUID *MatchGuid;\r | |
1511 | UINTN MatchGuidIdx;\r | |
1512 | \r | |
419db80b BF |
1513 | if (!mPeiDatabaseEmpty) {\r |
1514 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r | |
1515 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r | |
1516 | \r | |
1517 | MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r | |
1518 | \r | |
80408db0 | 1519 | if (MatchGuid != NULL) {\r |
1520 | \r | |
1521 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1522 | \r |
8cc87d32 | 1523 | for (Index = 0; Index < mPcdDatabase.PeiDb->ExTokenCount; Index++) {\r |
2ab6330e | 1524 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1525 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1526 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1527 | }\r |
1528 | }\r | |
1529 | }\r | |
1530 | }\r | |
80408db0 | 1531 | \r |
419db80b BF |
1532 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r |
1533 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r | |
1534 | \r | |
1535 | MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r | |
80408db0 | 1536 | //\r |
1537 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1538 | // error in the BUILD system.\r | |
1539 | //\r | |
1540 | ASSERT (MatchGuid != NULL);\r | |
1541 | \r | |
1542 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1543 | \r |
8cc87d32 | 1544 | for (Index = 0; Index < mPcdDatabase.DxeDb->ExTokenCount; Index++) {\r |
2ab6330e | 1545 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1546 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1547 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1548 | }\r |
1549 | }\r | |
1550 | \r | |
1551 | ASSERT (FALSE);\r | |
1552 | \r | |
1553 | return 0;\r | |
1554 | }\r | |
1555 | \r | |
2ab6330e | 1556 | /**\r |
3fd8027e | 1557 | Get SKU ID table from PCD database.\r |
2ab6330e | 1558 | \r |
1559 | @param LocalTokenNumberTableIdx Index of local token number in token number table.\r | |
419db80b BF |
1560 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1561 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
2ab6330e | 1562 | @return Pointer to SKU ID array table\r |
1563 | \r | |
1564 | **/\r | |
80408db0 | 1565 | SKU_ID *\r |
1566 | GetSkuIdArray (\r | |
1567 | IN UINTN LocalTokenNumberTableIdx,\r | |
419db80b | 1568 | IN BOOLEAN IsPeiDb\r |
80408db0 | 1569 | )\r |
1570 | {\r | |
1571 | SKU_HEAD *SkuHead;\r | |
1572 | UINTN LocalTokenNumber;\r | |
1573 | UINT8 *Database;\r | |
1574 | \r | |
419db80b BF |
1575 | if (IsPeiDb) {\r |
1576 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r | |
1577 | Database = (UINT8 *) mPcdDatabase.PeiDb;\r | |
80408db0 | 1578 | } else {\r |
419db80b BF |
1579 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
1580 | Database = (UINT8 *) mPcdDatabase.DxeDb;\r | |
80408db0 | 1581 | }\r |
1582 | \r | |
1583 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
1584 | \r | |
1585 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
1586 | \r | |
1587 | return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);\r | |
1588 | \r | |
1589 | }\r | |
1590 | \r | |
2ab6330e | 1591 | /**\r |
3d53ba8b | 1592 | Wrapper function of getting index of PCD entry in size table.\r |
1593 | \r | |
2ab6330e | 1594 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1595 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1596 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1597 | \r | |
1598 | @return index of PCD entry in size table.\r | |
2ab6330e | 1599 | **/\r |
80408db0 | 1600 | UINTN\r |
3d53ba8b | 1601 | GetSizeTableIndex (\r |
1602 | IN UINTN LocalTokenNumberTableIdx,\r | |
1603 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1604 | )\r |
1605 | {\r | |
3d53ba8b | 1606 | UINT32 *LocalTokenNumberTable;\r |
1607 | UINTN LocalTokenNumber;\r | |
1608 | UINTN Index;\r | |
1609 | UINTN SizeTableIdx;\r | |
1610 | SKU_ID *SkuIdTable;\r | |
80408db0 | 1611 | \r |
3d53ba8b | 1612 | if (IsPeiDb) {\r |
419db80b | 1613 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1614 | } else {\r |
419db80b | 1615 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1616 | }\r |
1617 | \r | |
80408db0 | 1618 | SizeTableIdx = 0;\r |
1619 | \r | |
3d53ba8b | 1620 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1621 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1622 | \r |
1623 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1624 | //\r | |
1625 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1626 | // PCD entry.\r | |
1627 | //\r | |
2ab6330e | 1628 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1629 | //\r |
419db80b | 1630 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1631 | // 1) MAX Size.\r |
419db80b BF |
1632 | // 2) Current Size\r |
1633 | // Current size is equal to MAX size.\r | |
80408db0 | 1634 | //\r |
419db80b | 1635 | SizeTableIdx += 2;\r |
80408db0 | 1636 | } else {\r |
1637 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1638 | //\r | |
1639 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1640 | // 1) MAX SIZE\r | |
1641 | // 2) Current Size\r | |
1642 | //\r | |
1643 | SizeTableIdx += 2;\r | |
1644 | } else {\r | |
1645 | //\r | |
1646 | // We have these entry for SKU enabled PCD entry\r | |
1647 | // 1) MAX SIZE\r | |
1648 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1649 | //\r | |
2ab6330e | 1650 | SkuIdTable = GetSkuIdArray (Index, IsPeiDb);\r |
80408db0 | 1651 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r |
1652 | }\r | |
1653 | }\r | |
1654 | }\r | |
1655 | \r | |
1656 | }\r | |
1657 | \r | |
3d53ba8b | 1658 | return SizeTableIdx; \r |
80408db0 | 1659 | }\r |
1660 | \r | |
2ab6330e | 1661 | /**\r |
1662 | Get size of POINTER type PCD value.\r | |
1663 | \r | |
1664 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1665 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1666 | \r |
2ab6330e | 1667 | @return size of POINTER type PCD value.\r |
80408db0 | 1668 | \r |
2ab6330e | 1669 | **/\r |
80408db0 | 1670 | UINTN\r |
1671 | GetPtrTypeSize (\r | |
1672 | IN UINTN LocalTokenNumberTableIdx,\r | |
1673 | OUT UINTN *MaxSize\r | |
1674 | )\r | |
1675 | {\r | |
1676 | INTN SizeTableIdx;\r | |
1677 | UINTN LocalTokenNumber;\r | |
1678 | SKU_ID *SkuIdTable;\r | |
1679 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1680 | UINTN Index;\r |
80408db0 | 1681 | BOOLEAN IsPeiDb;\r |
1682 | UINT32 *LocalTokenNumberTable;\r | |
1683 | \r | |
1684 | // EBC compiler is very choosy. It may report warning about comparison\r | |
1685 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1686 | // comparison.\r | |
419db80b | 1687 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1688 | \r |
1689 | \r | |
1690 | if (IsPeiDb) {\r | |
419db80b BF |
1691 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1692 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1693 | } else {\r |
419db80b BF |
1694 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1695 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1696 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1697 | }\r |
1698 | \r | |
1699 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1700 | \r | |
1701 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1702 | \r | |
1703 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1704 | \r | |
1705 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1706 | //\r | |
1707 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1708 | // PCD entry.\r | |
1709 | //\r | |
2ab6330e | 1710 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1711 | //\r |
419db80b | 1712 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1713 | // 1) MAX Size.\r |
419db80b | 1714 | // 2) Current Size\r |
80408db0 | 1715 | // We consider current size is equal to MAX size.\r |
1716 | //\r | |
1717 | return *MaxSize;\r | |
1718 | } else {\r | |
1719 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1720 | //\r | |
1721 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1722 | // 1) MAX SIZE\r | |
1723 | // 2) Current Size\r | |
1724 | //\r | |
1725 | return SizeTable[SizeTableIdx + 1];\r | |
1726 | } else {\r | |
1727 | //\r | |
1728 | // We have these entry for SKU enabled PCD entry\r | |
1729 | // 1) MAX SIZE\r | |
1730 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1731 | //\r | |
1732 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1733 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1734 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1735 | return SizeTable[SizeTableIdx + 1 + Index];\r |
80408db0 | 1736 | }\r |
1737 | }\r | |
1738 | return SizeTable[SizeTableIdx + 1];\r | |
1739 | }\r | |
1740 | }\r | |
1741 | }\r | |
1742 | \r | |
2ab6330e | 1743 | /**\r |
3fd8027e | 1744 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1745 | of this PCD value.\r |
80408db0 | 1746 | \r |
2ab6330e | 1747 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1748 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1749 | \r |
2ab6330e | 1750 | @retval TRUE Success to set size of PCD value.\r |
1751 | @retval FALSE Fail to set size of PCD value.\r | |
1752 | **/\r | |
80408db0 | 1753 | BOOLEAN\r |
1754 | SetPtrTypeSize (\r | |
1755 | IN UINTN LocalTokenNumberTableIdx,\r | |
1756 | IN OUT UINTN *CurrentSize\r | |
1757 | )\r | |
1758 | {\r | |
1759 | INTN SizeTableIdx;\r | |
1760 | UINTN LocalTokenNumber;\r | |
1761 | SKU_ID *SkuIdTable;\r | |
1762 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1763 | UINTN Index;\r |
80408db0 | 1764 | UINTN MaxSize;\r |
1765 | BOOLEAN IsPeiDb;\r | |
1766 | UINT32 *LocalTokenNumberTable;\r | |
1767 | \r | |
2ab6330e | 1768 | //\r |
80408db0 | 1769 | // EBC compiler is very choosy. It may report warning about comparison\r |
1770 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1771 | // comparison.\r | |
2ab6330e | 1772 | //\r |
419db80b | 1773 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1774 | \r |
1775 | if (IsPeiDb) {\r | |
419db80b BF |
1776 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1777 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1778 | } else {\r |
419db80b BF |
1779 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1780 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1781 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1782 | }\r |
1783 | \r | |
1784 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1785 | \r | |
1786 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1787 | \r | |
1788 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1789 | \r | |
1790 | MaxSize = SizeTable[SizeTableIdx];\r | |
1791 | //\r | |
1792 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1793 | // PCD entry.\r | |
1794 | //\r | |
2ab6330e | 1795 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1796 | //\r |
1797 | // We shouldn't come here as we don't support SET for VPD\r | |
1798 | //\r | |
1799 | ASSERT (FALSE);\r | |
1800 | return FALSE;\r | |
1801 | } else {\r | |
1802 | if ((*CurrentSize > MaxSize) ||\r | |
1803 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1804 | *CurrentSize = MaxSize;\r | |
1805 | return FALSE;\r | |
1806 | } \r | |
1807 | \r | |
1808 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1809 | //\r | |
1810 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1811 | // 1) MAX SIZE\r | |
1812 | // 2) Current Size\r | |
1813 | //\r | |
1814 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1815 | return TRUE;\r | |
1816 | } else {\r | |
1817 | //\r | |
1818 | // We have these entry for SKU enabled PCD entry\r | |
1819 | // 1) MAX SIZE\r | |
1820 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1821 | //\r | |
1822 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1823 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1824 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1825 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r |
80408db0 | 1826 | return TRUE;\r |
1827 | }\r | |
1828 | }\r | |
1829 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1830 | return TRUE;\r | |
1831 | }\r | |
1832 | }\r | |
1833 | }\r | |
23f3e119 SZ |
1834 | \r |
1835 | /**\r | |
1836 | VariableLock DynamicHiiPcd.\r | |
1837 | \r | |
1838 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
1839 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1840 | @param[in] VariableLock Pointer to VariableLockProtocol.\r | |
1841 | \r | |
1842 | **/\r | |
1843 | VOID\r | |
1844 | VariableLockDynamicHiiPcd (\r | |
1845 | IN BOOLEAN IsPeiDb,\r | |
1846 | IN EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock\r | |
1847 | )\r | |
1848 | {\r | |
1849 | EFI_STATUS Status;\r | |
1850 | PCD_DATABASE_INIT *Database;\r | |
1851 | UINT32 LocalTokenCount; \r | |
1852 | UINTN TokenNumber;\r | |
1853 | UINT32 LocalTokenNumber;\r | |
1854 | UINTN Offset;\r | |
1855 | EFI_GUID *GuidTable;\r | |
1856 | UINT8 *StringTable;\r | |
1857 | VARIABLE_HEAD *VariableHead;\r | |
1858 | EFI_GUID *Guid;\r | |
1859 | UINT16 *Name;\r | |
1860 | \r | |
1861 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
1862 | LocalTokenCount = IsPeiDb ? mPeiLocalTokenCount: mDxeLocalTokenCount;\r | |
1863 | \r | |
1864 | //\r | |
1865 | // Go through PCD database to find out DynamicHii PCDs.\r | |
1866 | //\r | |
1867 | for (TokenNumber = 0; TokenNumber < LocalTokenCount; TokenNumber++) {\r | |
1868 | if (IsPeiDb) {\r | |
1869 | LocalTokenNumber = GetLocalTokenNumber (TRUE, TokenNumber);\r | |
1870 | } else {\r | |
1871 | LocalTokenNumber = GetLocalTokenNumber (FALSE, TokenNumber + mPeiLocalTokenCount);\r | |
1872 | }\r | |
1873 | if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r | |
1874 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1875 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r | |
1876 | //\r | |
1877 | // Why not to set property by VarCheckProtocol with Attributes and Property directly here?\r | |
1878 | // It is because that set property by VarCheckProtocol will indicate the variable to\r | |
1879 | // be a system variable, but the unknown max size of the variable is dangerous to\r | |
1880 | // the system variable region.\r | |
1881 | //\r | |
1882 | if ((VariableHead->Property & VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY) != 0) {\r | |
1883 | //\r | |
1884 | // DynamicHii PCD with RO property set in *.dsc.\r | |
1885 | //\r | |
1886 | StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r | |
1887 | GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r | |
1888 | Guid = GuidTable + VariableHead->GuidTableIndex;\r | |
1889 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r | |
1890 | Status = VariableLock->RequestToLock (VariableLock, Name, Guid);\r | |
1891 | ASSERT_EFI_ERROR (Status);\r | |
1892 | }\r | |
1893 | }\r | |
1894 | }\r | |
1895 | }\r | |
1896 | \r | |
1897 | /**\r | |
1898 | VariableLockProtocol callback\r | |
1899 | to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r | |
1900 | \r | |
1901 | @param[in] Event Event whose notification function is being invoked.\r | |
1902 | @param[in] Context Pointer to the notification function's context.\r | |
1903 | \r | |
1904 | **/\r | |
1905 | VOID\r | |
1906 | EFIAPI\r | |
1907 | VariableLockCallBack (\r | |
1908 | IN EFI_EVENT Event,\r | |
1909 | IN VOID *Context\r | |
1910 | )\r | |
1911 | {\r | |
1912 | EFI_STATUS Status;\r | |
1913 | EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;\r | |
1914 | \r | |
1915 | Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);\r | |
1916 | if (!EFI_ERROR (Status)) {\r | |
1917 | VariableLockDynamicHiiPcd (TRUE, VariableLock);\r | |
1918 | VariableLockDynamicHiiPcd (FALSE, VariableLock);\r | |
1919 | }\r | |
1920 | }\r | |
1921 | \r |