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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 | |
e85e284e | 145 | UINTN NameSize;\r |
96d6d004 SZ |
146 | PCD_NAME_INDEX *PcdNameIndex;\r |
147 | CHAR8 *TokenSpaceName;\r | |
148 | CHAR8 *PcdName;\r | |
149 | CHAR8 *Name;\r | |
150 | \r | |
85d0b97d SZ |
151 | //\r |
152 | // Return NULL when PCD name table is absent. \r | |
153 | //\r | |
154 | if (IsPeiDb) {\r | |
155 | if (mPcdDatabase.PeiDb->PcdNameTableOffset == 0) {\r | |
156 | return NULL;\r | |
157 | }\r | |
158 | } else {\r | |
159 | if (mPcdDatabase.DxeDb->PcdNameTableOffset == 0) {\r | |
160 | return NULL;\r | |
161 | }\r | |
162 | }\r | |
163 | \r | |
96d6d004 SZ |
164 | //\r |
165 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
166 | // We have to decrement TokenNumber by 1 to make it usable\r | |
167 | // as the array index.\r | |
168 | //\r | |
169 | TokenNumber--;\r | |
170 | \r | |
171 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
172 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
173 | \r | |
174 | StringTable = (UINT8 *) Database + Database->StringTableOffset;\r | |
175 | \r | |
176 | //\r | |
177 | // Get the PCD name index.\r | |
178 | //\r | |
179 | PcdNameIndex = (PCD_NAME_INDEX *)((UINT8 *) Database + Database->PcdNameTableOffset) + TokenNumber;\r | |
180 | TokenSpaceName = (CHAR8 *)&StringTable[PcdNameIndex->TokenSpaceCNameIndex];\r | |
181 | PcdName = (CHAR8 *)&StringTable[PcdNameIndex->PcdCNameIndex];\r | |
182 | \r | |
183 | if (OnlyTokenSpaceName) {\r | |
184 | //\r | |
185 | // Only need to get the TokenSpaceCName.\r | |
186 | //\r | |
187 | Name = AllocateCopyPool (AsciiStrSize (TokenSpaceName), TokenSpaceName);\r | |
188 | } else {\r | |
189 | //\r | |
190 | // Need to get the full PCD name.\r | |
191 | //\r | |
e85e284e QS |
192 | NameSize = AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName);\r |
193 | Name = AllocateZeroPool (NameSize);\r | |
f47fc1cb | 194 | ASSERT (Name != NULL);\r |
96d6d004 SZ |
195 | //\r |
196 | // Catenate TokenSpaceCName and PcdCName with a '.' to form the full PCD name.\r | |
197 | //\r | |
e85e284e | 198 | AsciiStrCatS (Name, NameSize, TokenSpaceName);\r |
96d6d004 | 199 | Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.';\r |
e85e284e | 200 | AsciiStrCatS (Name, NameSize, PcdName); \r |
96d6d004 SZ |
201 | }\r |
202 | \r | |
203 | return Name;\r | |
204 | }\r | |
205 | \r | |
206 | /**\r | |
207 | Retrieve additional information associated with a PCD token.\r | |
208 | \r | |
209 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
210 | human readable name that is associated with the token.\r | |
211 | \r | |
212 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
213 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
214 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
215 | @param[in] TokenNumber The PCD token number.\r | |
216 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
217 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName. \r | |
218 | \r | |
219 | @retval EFI_SUCCESS The PCD information was returned successfully\r | |
220 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
221 | **/\r | |
222 | EFI_STATUS\r | |
223 | ExGetPcdInfo (\r | |
224 | IN BOOLEAN IsPeiDb,\r | |
225 | IN CONST EFI_GUID *Guid,\r | |
226 | IN UINTN TokenNumber,\r | |
227 | OUT EFI_PCD_INFO *PcdInfo\r | |
228 | )\r | |
229 | {\r | |
230 | PCD_DATABASE_INIT *Database;\r | |
231 | UINTN GuidTableIdx;\r | |
232 | EFI_GUID *MatchGuid;\r | |
233 | EFI_GUID *GuidTable;\r | |
234 | DYNAMICEX_MAPPING *ExMapTable;\r | |
235 | UINTN Index;\r | |
236 | UINT32 LocalTokenNumber;\r | |
237 | \r | |
238 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
239 | \r | |
240 | GuidTable = (EFI_GUID *)((UINT8 *)Database + Database->GuidTableOffset);\r | |
241 | MatchGuid = ScanGuid (GuidTable, Database->GuidTableCount * sizeof(EFI_GUID), Guid);\r | |
242 | \r | |
243 | if (MatchGuid == NULL) {\r | |
244 | return EFI_NOT_FOUND;\r | |
245 | }\r | |
246 | \r | |
247 | GuidTableIdx = MatchGuid - GuidTable;\r | |
248 | \r | |
249 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)Database + Database->ExMapTableOffset);\r | |
250 | \r | |
251 | //\r | |
252 | // Find the PCD by GuidTableIdx and ExTokenNumber in ExMapTable.\r | |
253 | //\r | |
254 | for (Index = 0; Index < Database->ExTokenCount; Index++) {\r | |
255 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
256 | if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
257 | //\r | |
258 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
259 | // PcdSize to 0 and PcdName to the null-terminated ASCII string\r | |
260 | // associated with the token's namespace Guid.\r | |
261 | //\r | |
262 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
263 | PcdInfo->PcdSize = 0;\r | |
264 | //\r | |
265 | // Here use one representative in the token space to get the TokenSpaceCName.\r | |
266 | // \r | |
267 | PcdInfo->PcdName = GetPcdName (TRUE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
268 | return EFI_SUCCESS;\r | |
269 | } else if (ExMapTable[Index].ExTokenNumber == TokenNumber) {\r | |
270 | PcdInfo->PcdSize = DxePcdGetSize (ExMapTable[Index].TokenNumber);\r | |
271 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
272 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
273 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
274 | return EFI_SUCCESS;\r | |
275 | }\r | |
276 | }\r | |
277 | }\r | |
278 | \r | |
279 | return EFI_NOT_FOUND;\r | |
280 | }\r | |
281 | \r | |
282 | /**\r | |
283 | Retrieve additional information associated with a PCD token.\r | |
284 | \r | |
285 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
286 | human readable name that is associated with the token.\r | |
287 | \r | |
288 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
289 | @param[in] TokenNumber The PCD token number.\r | |
290 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
291 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
292 | \r | |
293 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
294 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
295 | **/\r | |
296 | EFI_STATUS\r | |
297 | DxeGetPcdInfo (\r | |
298 | IN CONST EFI_GUID *Guid,\r | |
299 | IN UINTN TokenNumber,\r | |
300 | OUT EFI_PCD_INFO *PcdInfo\r | |
301 | )\r | |
302 | {\r | |
303 | EFI_STATUS Status;\r | |
304 | BOOLEAN PeiExMapTableEmpty;\r | |
305 | BOOLEAN DxeExMapTableEmpty;\r | |
306 | UINT32 LocalTokenNumber;\r | |
307 | BOOLEAN IsPeiDb;\r | |
308 | \r | |
96d6d004 SZ |
309 | ASSERT (PcdInfo != NULL);\r |
310 | \r | |
311 | Status = EFI_NOT_FOUND;\r | |
312 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r | |
313 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
314 | \r | |
315 | if (Guid == NULL) {\r | |
316 | if (((TokenNumber + 1 > mPeiNexTokenCount + 1) && (TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r | |
317 | ((TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r | |
318 | return EFI_NOT_FOUND;\r | |
319 | } else if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
320 | //\r | |
321 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
322 | // PcdSize to 0 and PcdName to NULL for default Token Space.\r | |
323 | //\r | |
324 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
325 | PcdInfo->PcdSize = 0;\r | |
326 | PcdInfo->PcdName = NULL;\r | |
327 | } else {\r | |
328 | PcdInfo->PcdSize = DxePcdGetSize (TokenNumber);\r | |
329 | IsPeiDb = FALSE;\r | |
330 | if ((TokenNumber + 1 <= mPeiNexTokenCount + 1)) {\r | |
331 | IsPeiDb = TRUE;\r | |
332 | }\r | |
333 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r | |
334 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
335 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, TokenNumber);\r | |
336 | }\r | |
337 | return EFI_SUCCESS;\r | |
338 | }\r | |
339 | \r | |
340 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
341 | return EFI_NOT_FOUND;\r | |
342 | }\r | |
343 | \r | |
344 | if (!PeiExMapTableEmpty) {\r | |
345 | Status = ExGetPcdInfo (\r | |
346 | TRUE,\r | |
347 | Guid,\r | |
348 | TokenNumber,\r | |
349 | PcdInfo\r | |
350 | );\r | |
351 | }\r | |
352 | \r | |
353 | if (Status == EFI_SUCCESS) {\r | |
354 | return Status;\r | |
355 | }\r | |
356 | \r | |
357 | if (!DxeExMapTableEmpty) {\r | |
358 | Status = ExGetPcdInfo (\r | |
359 | FALSE,\r | |
360 | Guid,\r | |
361 | TokenNumber,\r | |
362 | PcdInfo\r | |
363 | );\r | |
364 | }\r | |
365 | \r | |
366 | return Status;\r | |
367 | }\r | |
80408db0 | 368 | \r |
2ab6330e | 369 | /**\r |
370 | Get the PCD entry pointer in PCD database.\r | |
371 | \r | |
372 | This routine will visit PCD database to find the PCD entry according to given\r | |
373 | token number. The given token number is autogened by build tools and it will be \r | |
374 | translated to local token number. Local token number contains PCD's type and \r | |
375 | offset of PCD entry in PCD database.\r | |
376 | \r | |
377 | @param TokenNumber Token's number, it is autogened by build tools\r | |
378 | @param GetSize The size of token's value\r | |
379 | \r | |
380 | @return PCD entry pointer in PCD database\r | |
381 | \r | |
382 | **/\r | |
80408db0 | 383 | VOID *\r |
384 | GetWorker (\r | |
2ab6330e | 385 | IN UINTN TokenNumber,\r |
386 | IN UINTN GetSize\r | |
80408db0 | 387 | )\r |
388 | {\r | |
80408db0 | 389 | EFI_GUID *GuidTable;\r |
d0965169 | 390 | UINT8 *StringTable;\r |
80408db0 | 391 | EFI_GUID *Guid;\r |
392 | UINT16 *Name;\r | |
393 | VARIABLE_HEAD *VariableHead;\r | |
394 | UINT8 *VaraiableDefaultBuffer;\r | |
395 | UINT8 *Data;\r | |
396 | VPD_HEAD *VpdHead;\r | |
397 | UINT8 *PcdDb;\r | |
398 | VOID *RetPtr;\r | |
80408db0 | 399 | UINTN TmpTokenNumber;\r |
400 | UINTN DataSize;\r | |
401 | EFI_STATUS Status;\r | |
402 | UINT32 LocalTokenNumber;\r | |
403 | UINT32 Offset;\r | |
6cfc7292 | 404 | STRING_HEAD StringTableIdx; \r |
80408db0 | 405 | BOOLEAN IsPeiDb;\r |
406 | \r | |
407 | //\r | |
408 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
409 | //\r | |
410 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
411 | \r | |
412 | RetPtr = NULL;\r | |
419db80b BF |
413 | \r |
414 | ASSERT (TokenNumber > 0);\r | |
80408db0 | 415 | //\r |
416 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
417 | // We have to decrement TokenNumber by 1 to make it usable\r | |
418 | // as the array index.\r | |
419 | //\r | |
420 | TokenNumber--;\r | |
421 | \r | |
422 | TmpTokenNumber = TokenNumber;\r | |
419db80b | 423 | \r |
80408db0 | 424 | //\r |
419db80b BF |
425 | // EBC compiler is very choosy. It may report warning about comparison\r |
426 | // between UINTN and 0 . So we add 1 in each size of the \r | |
80408db0 | 427 | // comparison.\r |
428 | //\r | |
419db80b | 429 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 430 | \r |
431 | ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));\r | |
432 | \r | |
433 | // EBC compiler is very choosy. It may report warning about comparison\r | |
434 | // between UINTN and 0 . So we add 1 in each size of the \r | |
435 | // comparison.\r | |
419db80b | 436 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
80408db0 | 437 | \r |
96d6d004 | 438 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 439 | \r |
419db80b | 440 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
309e3122 | 441 | \r |
442 | if (IsPeiDb) {\r | |
419db80b | 443 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 444 | } else {\r |
419db80b | 445 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 446 | }\r |
419db80b BF |
447 | \r |
448 | \r | |
80408db0 | 449 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
419db80b | 450 | \r |
80408db0 | 451 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
452 | case PCD_TYPE_VPD:\r | |
453 | VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);\r | |
188e4e84 | 454 | RetPtr = (VOID *) (UINTN) (PcdGet32 (PcdVpdBaseAddress) + VpdHead->Offset);\r |
419db80b | 455 | \r |
80408db0 | 456 | break;\r |
419db80b | 457 | \r |
6ac15f7c | 458 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 459 | case PCD_TYPE_HII:\r |
309e3122 | 460 | if (IsPeiDb) {\r |
419db80b | 461 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 462 | } else {\r |
419db80b | 463 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 464 | }\r |
419db80b | 465 | \r |
80408db0 | 466 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
1fef733c | 467 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 468 | Name = (UINT16*)(StringTable + VariableHead->StringIndex);\r |
419db80b | 469 | \r |
6ac15f7c | 470 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
419db80b BF |
471 | //\r |
472 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of \r | |
473 | // string array in string table.\r | |
474 | //\r | |
6cfc7292 | 475 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset); \r |
553e8669 | 476 | VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx); \r |
6ac15f7c | 477 | } else {\r |
478 | VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r | |
419db80b BF |
479 | }\r |
480 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
481 | if (Status == EFI_SUCCESS) {\r | |
553e8669 SZ |
482 | if (DataSize >= (VariableHead->Offset + GetSize)) {\r |
483 | if (GetSize == 0) {\r | |
484 | //\r | |
485 | // It is a pointer type. So get the MaxSize reserved for\r | |
486 | // this PCD entry.\r | |
487 | //\r | |
488 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r | |
489 | if (GetSize > (DataSize - VariableHead->Offset)) {\r | |
490 | //\r | |
491 | // Use actual valid size.\r | |
492 | //\r | |
493 | GetSize = DataSize - VariableHead->Offset;\r | |
494 | }\r | |
495 | }\r | |
0b1ef275 | 496 | //\r |
553e8669 SZ |
497 | // If the operation is successful, we copy the data\r |
498 | // to the default value buffer in the PCD Database.\r | |
499 | // So that we can free the Data allocated in GetHiiVariable.\r | |
0b1ef275 | 500 | //\r |
553e8669 | 501 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r |
6ac15f7c | 502 | }\r |
419db80b | 503 | FreePool (Data);\r |
80408db0 | 504 | }\r |
419db80b | 505 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r |
80408db0 | 506 | break;\r |
507 | \r | |
508 | case PCD_TYPE_STRING:\r | |
6cfc7292 | 509 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + Offset);\r |
1fef733c | 510 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 511 | break;\r |
512 | \r | |
513 | case PCD_TYPE_DATA:\r | |
514 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
515 | break;\r | |
516 | \r | |
517 | default:\r | |
518 | ASSERT (FALSE);\r | |
519 | break;\r | |
520 | \r | |
521 | }\r | |
522 | \r | |
523 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
419db80b | 524 | \r |
80408db0 | 525 | return RetPtr;\r |
419db80b | 526 | \r |
80408db0 | 527 | }\r |
528 | \r | |
2ab6330e | 529 | /**\r |
530 | Register the callback function for a PCD entry.\r | |
531 | \r | |
532 | This routine will register a callback function to a PCD entry by given token number\r | |
533 | and token space guid.\r | |
534 | \r | |
535 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
536 | @param Guid PCD token space's guid, \r | |
537 | if not NULL, this PCD is dynamicEx type PCD.\r | |
538 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 539 | \r |
2ab6330e | 540 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 541 | \r |
2ab6330e | 542 | **/\r |
80408db0 | 543 | EFI_STATUS\r |
544 | DxeRegisterCallBackWorker (\r | |
545 | IN UINTN TokenNumber,\r | |
2ab6330e | 546 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 547 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
548 | )\r | |
549 | {\r | |
550 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
551 | LIST_ENTRY *ListHead;\r | |
552 | LIST_ENTRY *ListNode;\r | |
553 | \r | |
554 | if (Guid != NULL) {\r | |
555 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
556 | }\r | |
557 | \r | |
558 | //\r | |
559 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
560 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 561 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 562 | //\r |
b07a5b68 | 563 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 564 | ListNode = GetFirstNode (ListHead);\r |
565 | \r | |
566 | while (ListNode != ListHead) {\r | |
567 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
568 | \r | |
569 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
570 | //\r | |
571 | // We only allow a Callback function to be register once\r | |
572 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
573 | //\r | |
574 | return EFI_SUCCESS;\r | |
575 | }\r | |
576 | ListNode = GetNextNode (ListHead, ListNode);\r | |
577 | }\r | |
578 | \r | |
579 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
580 | ASSERT (FnTableEntry != NULL);\r | |
581 | \r | |
582 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
583 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
584 | \r | |
585 | return EFI_SUCCESS;\r | |
586 | }\r | |
587 | \r | |
2ab6330e | 588 | /**\r |
589 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 590 | \r |
2ab6330e | 591 | This routine will unregister a callback function to a PCD entry by given token number\r |
592 | and token space guid.\r | |
80408db0 | 593 | \r |
2ab6330e | 594 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
595 | @param Guid PCD token space's guid.\r | |
596 | if not NULL, this PCD is dynamicEx type PCD.\r | |
597 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 598 | \r |
2ab6330e | 599 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
600 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
601 | **/\r | |
80408db0 | 602 | EFI_STATUS\r |
603 | DxeUnRegisterCallBackWorker (\r | |
604 | IN UINTN TokenNumber,\r | |
2ab6330e | 605 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 606 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
607 | )\r | |
608 | {\r | |
609 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
610 | LIST_ENTRY *ListHead;\r | |
611 | LIST_ENTRY *ListNode;\r | |
612 | \r | |
613 | if (Guid != NULL) {\r | |
614 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
615 | }\r | |
616 | \r | |
617 | //\r | |
618 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
619 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 620 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 621 | //\r |
b07a5b68 | 622 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 623 | ListNode = GetFirstNode (ListHead);\r |
624 | \r | |
625 | while (ListNode != ListHead) {\r | |
626 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
627 | \r | |
628 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
629 | //\r | |
630 | // We only allow a Callback function to be register once\r | |
631 | // for a TokenNumber. So we can safely remove the Node from\r | |
632 | // the Link List and return EFI_SUCCESS.\r | |
633 | //\r | |
634 | RemoveEntryList (ListNode);\r | |
635 | FreePool (FnTableEntry);\r | |
636 | \r | |
637 | return EFI_SUCCESS;\r | |
638 | }\r | |
639 | ListNode = GetNextNode (ListHead, ListNode);\r | |
640 | }\r | |
641 | \r | |
642 | return EFI_INVALID_PARAMETER;\r | |
643 | }\r | |
644 | \r | |
2ab6330e | 645 | /**\r |
646 | Get next token number in given token space.\r | |
647 | \r | |
648 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
649 | table to get token space according to given token space guid. Then scan given \r | |
650 | token number in found token space, if found, then return next token number in \r | |
651 | this token space.\r | |
652 | \r | |
653 | @param Guid Token space guid. Next token number will be scaned in \r | |
654 | this token space.\r | |
655 | @param TokenNumber Token number. \r | |
656 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
657 | token space table.\r | |
658 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
659 | in token space table.\r | |
660 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
661 | by given token space guid.\r | |
662 | @param SizeOfGuidTable The size of guid table.\r | |
663 | @param ExMapTable DynamicEx token number mapping table.\r | |
664 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
665 | \r | |
666 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
667 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 668 | \r |
2ab6330e | 669 | **/\r |
80408db0 | 670 | EFI_STATUS\r |
671 | ExGetNextTokeNumber (\r | |
672 | IN CONST EFI_GUID *Guid,\r | |
673 | IN OUT UINTN *TokenNumber,\r | |
674 | IN EFI_GUID *GuidTable,\r | |
675 | IN UINTN SizeOfGuidTable,\r | |
676 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
677 | IN UINTN SizeOfExMapTable\r | |
678 | )\r | |
679 | {\r | |
680 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 681 | UINTN Index;\r |
80408db0 | 682 | UINTN GuidTableIdx;\r |
683 | BOOLEAN Found;\r | |
419db80b | 684 | UINTN ExMapTableCount;\r |
80408db0 | 685 | \r |
2ab6330e | 686 | //\r |
687 | // Scan token space guid \r | |
688 | // \r | |
80408db0 | 689 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
690 | if (MatchGuid == NULL) {\r | |
691 | return EFI_NOT_FOUND;\r | |
692 | }\r | |
693 | \r | |
2ab6330e | 694 | //\r |
695 | // Find the token space table in dynamicEx mapping table.\r | |
696 | //\r | |
80408db0 | 697 | Found = FALSE;\r |
698 | GuidTableIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
699 | ExMapTableCount = SizeOfExMapTable / sizeof(ExMapTable[0]);\r |
700 | for (Index = 0; Index < ExMapTableCount; Index++) {\r | |
2ab6330e | 701 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 702 | Found = TRUE;\r |
703 | break;\r | |
704 | }\r | |
705 | }\r | |
706 | \r | |
707 | if (Found) {\r | |
2ab6330e | 708 | //\r |
709 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
710 | // token number in found token space.\r | |
711 | //\r | |
80408db0 | 712 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 713 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 714 | return EFI_SUCCESS;\r |
715 | }\r | |
716 | \r | |
419db80b | 717 | for ( ; Index < ExMapTableCount; Index++) {\r |
2ab6330e | 718 | if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r |
419db80b BF |
719 | break;\r |
720 | }\r | |
721 | }\r | |
722 | \r | |
723 | while (Index < ExMapTableCount) {\r | |
724 | Index++;\r | |
725 | if (Index == ExMapTableCount) {\r | |
726 | //\r | |
727 | // Exceed the length of ExMap Table\r | |
728 | //\r | |
729 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
730 | return EFI_NOT_FOUND;\r | |
731 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
732 | //\r | |
733 | // Found the next match\r | |
734 | //\r | |
735 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
736 | return EFI_SUCCESS;\r | |
80408db0 | 737 | }\r |
738 | }\r | |
739 | }\r | |
419db80b | 740 | \r |
80408db0 | 741 | return EFI_NOT_FOUND;\r |
742 | }\r | |
80408db0 | 743 | \r |
419db80b BF |
744 | /**\r |
745 | Find the PCD database.\r | |
746 | \r | |
747 | @retval The base address of external PCD database binary.\r | |
748 | @retval NULL Return NULL if not find.\r | |
749 | **/\r | |
750 | DXE_PCD_DATABASE *\r | |
751 | LocateExPcdBinary (\r | |
752 | VOID\r | |
753 | ) \r | |
754 | {\r | |
755 | DXE_PCD_DATABASE *DxePcdDbBinary;\r | |
756 | UINTN DxePcdDbSize;\r | |
757 | EFI_STATUS Status;\r | |
758 | \r | |
759 | DxePcdDbBinary = NULL;\r | |
760 | //\r | |
761 | // Search the External Pcd database from one section of current FFS, \r | |
762 | // and read it to memory\r | |
763 | //\r | |
764 | Status = GetSectionFromFfs (\r | |
765 | EFI_SECTION_RAW,\r | |
766 | 0,\r | |
767 | (VOID **) &DxePcdDbBinary,\r | |
768 | &DxePcdDbSize\r | |
769 | );\r | |
770 | ASSERT_EFI_ERROR (Status);\r | |
771 | \r | |
772 | //\r | |
773 | // Check the first bytes (Header Signature Guid) and build version.\r | |
774 | //\r | |
775 | if (!CompareGuid ((VOID *)DxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r | |
776 | (DxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r | |
777 | ASSERT (FALSE);\r | |
778 | }\r | |
779 | \r | |
780 | return DxePcdDbBinary;\r | |
781 | }\r | |
80408db0 | 782 | \r |
2ab6330e | 783 | /**\r |
784 | Initialize the PCD database in DXE phase.\r | |
785 | \r | |
786 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
787 | from GUID Hob.\r | |
80408db0 | 788 | \r |
2ab6330e | 789 | **/\r |
80408db0 | 790 | VOID\r |
791 | BuildPcdDxeDataBase (\r | |
792 | VOID\r | |
793 | )\r | |
794 | {\r | |
795 | PEI_PCD_DATABASE *PeiDatabase;\r | |
796 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 797 | UINTN Index;\r |
419db80b BF |
798 | UINT32 PcdDxeDbLen;\r |
799 | VOID *PcdDxeDb;\r | |
80408db0 | 800 | \r |
efd6b412 SZ |
801 | //\r |
802 | // Assign PCD Entries with default value to PCD DATABASE\r | |
803 | //\r | |
804 | mPcdDatabase.DxeDb = LocateExPcdBinary ();\r | |
805 | ASSERT(mPcdDatabase.DxeDb != NULL);\r | |
806 | PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r | |
807 | PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r | |
808 | ASSERT (PcdDxeDb != NULL);\r | |
809 | CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r | |
810 | FreePool (mPcdDatabase.DxeDb);\r | |
811 | mPcdDatabase.DxeDb = PcdDxeDb;\r | |
812 | \r | |
80408db0 | 813 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
814 | if (GuidHob != NULL) {\r | |
815 | \r | |
80408db0 | 816 | // \r |
817 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r | |
818 | // should not be included at all. So the GuidHob could\r | |
819 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
820 | // Value to PCD Database.\r | |
821 | //\r | |
822 | \r | |
823 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
824 | //\r | |
419db80b | 825 | // Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r |
80408db0 | 826 | //\r |
419db80b | 827 | mPcdDatabase.PeiDb = PeiDatabase;\r |
efd6b412 SZ |
828 | //\r |
829 | // Inherit the SystemSkuId from PEI phase.\r | |
830 | //\r | |
831 | mPcdDatabase.DxeDb->SystemSkuId = mPcdDatabase.PeiDb->SystemSkuId;\r | |
832 | } else {\r | |
833 | mPcdDatabase.PeiDb = AllocateZeroPool (sizeof (PEI_PCD_DATABASE));\r | |
834 | ASSERT(mPcdDatabase.PeiDb != NULL);\r | |
80408db0 | 835 | }\r |
836 | \r | |
419db80b BF |
837 | //\r |
838 | // Initialized the external PCD database local variables\r | |
839 | //\r | |
840 | mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r | |
841 | mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r | |
842 | \r | |
843 | mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
844 | mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
845 | mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r | |
846 | mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r | |
847 | \r | |
848 | mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r | |
849 | mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r | |
850 | mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount; \r | |
851 | \r | |
852 | mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
853 | mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
854 | mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r | |
855 | \r | |
856 | TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r | |
857 | TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r | |
80408db0 | 858 | \r |
859 | //\r | |
860 | // Initialized the Callback Function Table\r | |
861 | //\r | |
419db80b | 862 | mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r |
3fd8027e | 863 | ASSERT(mCallbackFnTable != NULL);\r |
419db80b BF |
864 | \r |
865 | //\r | |
80408db0 | 866 | // EBC compiler is very choosy. It may report warning about comparison\r |
867 | // between UINTN and 0 . So we add 1 in each size of the \r | |
868 | // comparison.\r | |
419db80b BF |
869 | //\r |
870 | for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r | |
2ab6330e | 871 | InitializeListHead (&mCallbackFnTable[Index]);\r |
80408db0 | 872 | }\r |
80408db0 | 873 | }\r |
874 | \r | |
2ab6330e | 875 | /**\r |
876 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 877 | \r |
2ab6330e | 878 | @param VariableGuid Variable's guid\r |
879 | @param VariableName Variable's unicode name string\r | |
880 | @param VariableData Variable's data pointer, \r | |
881 | @param VariableSize Variable's size.\r | |
80408db0 | 882 | \r |
2ab6330e | 883 | @return the status of gRT->GetVariable\r |
884 | **/\r | |
80408db0 | 885 | EFI_STATUS\r |
886 | GetHiiVariable (\r | |
887 | IN EFI_GUID *VariableGuid,\r | |
888 | IN UINT16 *VariableName,\r | |
889 | OUT UINT8 **VariableData,\r | |
890 | OUT UINTN *VariableSize\r | |
891 | )\r | |
892 | {\r | |
893 | UINTN Size;\r | |
894 | EFI_STATUS Status;\r | |
895 | UINT8 *Buffer;\r | |
896 | \r | |
897 | Size = 0;\r | |
898 | Buffer = NULL;\r | |
899 | \r | |
2ab6330e | 900 | //\r |
901 | // Firstly get the real size of HII variable\r | |
902 | //\r | |
80408db0 | 903 | Status = gRT->GetVariable (\r |
904 | (UINT16 *)VariableName,\r | |
905 | VariableGuid,\r | |
906 | NULL,\r | |
907 | &Size,\r | |
908 | Buffer\r | |
909 | );\r | |
910 | \r | |
2ab6330e | 911 | //\r |
912 | // Allocate buffer to hold whole variable data according to variable size.\r | |
913 | //\r | |
80408db0 | 914 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
915 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
916 | \r | |
917 | ASSERT (Buffer != NULL);\r | |
918 | \r | |
919 | Status = gRT->GetVariable (\r | |
920 | VariableName,\r | |
921 | VariableGuid,\r | |
922 | NULL,\r | |
923 | &Size,\r | |
924 | Buffer\r | |
925 | );\r | |
926 | \r | |
927 | ASSERT (Status == EFI_SUCCESS);\r | |
928 | *VariableData = Buffer;\r | |
929 | *VariableSize = Size;\r | |
0b1ef275 LG |
930 | } else {\r |
931 | //\r | |
932 | // Use Default Data only when variable is not found. \r | |
933 | // For other error status, correct data can't be got, and trig ASSERT().\r | |
934 | //\r | |
935 | ASSERT (Status == EFI_NOT_FOUND);\r | |
80408db0 | 936 | }\r |
937 | \r | |
938 | return Status;\r | |
939 | }\r | |
940 | \r | |
2ab6330e | 941 | /**\r |
942 | Find the local token number according to system SKU ID.\r | |
943 | \r | |
944 | @param LocalTokenNumber PCD token number\r | |
945 | @param Size The size of PCD entry.\r | |
946 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
947 | If False, the PCD entry is initialized in DXE phase.\r | |
948 | \r | |
949 | @return Token number according to system SKU ID.\r | |
80408db0 | 950 | \r |
2ab6330e | 951 | **/\r |
80408db0 | 952 | UINT32\r |
953 | GetSkuEnabledTokenNumber (\r | |
954 | UINT32 LocalTokenNumber,\r | |
955 | UINTN Size,\r | |
956 | BOOLEAN IsPeiDb\r | |
957 | ) \r | |
958 | {\r | |
959 | SKU_HEAD *SkuHead;\r | |
960 | SKU_ID *SkuIdTable;\r | |
2ab6330e | 961 | INTN Index;\r |
80408db0 | 962 | UINT8 *Value;\r |
80408db0 | 963 | UINT8 *PcdDb;\r |
419db80b | 964 | BOOLEAN FoundSku;\r |
80408db0 | 965 | \r |
966 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
967 | \r | |
419db80b | 968 | PcdDb = IsPeiDb ? (UINT8 *) mPcdDatabase.PeiDb : (UINT8 *) mPcdDatabase.DxeDb;\r |
80408db0 | 969 | \r |
970 | SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
971 | Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r | |
972 | \r | |
419db80b | 973 | SkuIdTable = (SKU_ID *)(PcdDb + SkuHead->SkuIdTableOffset);\r |
2ab6330e | 974 | //\r |
975 | // Find the current system's SKU ID entry in SKU ID table.\r | |
976 | //\r | |
419db80b | 977 | FoundSku = FALSE;\r |
2ab6330e | 978 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 979 | if (mPcdDatabase.DxeDb->SystemSkuId == SkuIdTable[Index + 1]) {\r |
419db80b | 980 | FoundSku = TRUE;\r |
80408db0 | 981 | break;\r |
982 | }\r | |
983 | }\r | |
419db80b BF |
984 | \r |
985 | //\r | |
986 | // Find the default SKU ID entry in SKU ID table.\r | |
987 | //\r | |
988 | \r | |
989 | if(!FoundSku) {\r | |
990 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
991 | if (0 == SkuIdTable[Index + 1]) {\r | |
992 | break;\r | |
993 | }\r | |
994 | }\r | |
995 | }\r | |
2ab6330e | 996 | ASSERT (Index < SkuIdTable[0]);\r |
80408db0 | 997 | \r |
998 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
999 | case PCD_TYPE_VPD:\r | |
2ab6330e | 1000 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r |
80408db0 | 1001 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);\r |
1002 | \r | |
1003 | case PCD_TYPE_HII:\r | |
2ab6330e | 1004 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r |
80408db0 | 1005 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r |
1006 | \r | |
419db80b BF |
1007 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
1008 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r | |
1009 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII | PCD_TYPE_STRING);\r | |
1010 | \r | |
80408db0 | 1011 | case PCD_TYPE_STRING:\r |
2ab6330e | 1012 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r |
80408db0 | 1013 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r |
1014 | \r | |
1015 | case PCD_TYPE_DATA:\r | |
2ab6330e | 1016 | Value += Size * Index;\r |
419db80b | 1017 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_DATA);\r |
80408db0 | 1018 | \r |
1019 | default:\r | |
1020 | ASSERT (FALSE);\r | |
1021 | }\r | |
1022 | \r | |
1023 | ASSERT (FALSE);\r | |
1024 | \r | |
1025 | return 0;\r | |
1026 | \r | |
1027 | }\r | |
1028 | \r | |
2ab6330e | 1029 | /**\r |
1030 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r | |
1031 | has registered callback function.\r | |
80408db0 | 1032 | \r |
2ab6330e | 1033 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
1034 | type PCD.\r | |
1035 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
1036 | PCD.\r | |
1037 | @param TokenNumber PCD token number generated by build tools.\r | |
1038 | @param Data Value want to be set for this PCD entry\r | |
1039 | @param Size The size of value\r | |
80408db0 | 1040 | \r |
2ab6330e | 1041 | **/\r |
80408db0 | 1042 | VOID\r |
1043 | InvokeCallbackOnSet (\r | |
1044 | UINT32 ExTokenNumber,\r | |
1045 | CONST EFI_GUID *Guid, OPTIONAL\r | |
1046 | UINTN TokenNumber,\r | |
1047 | VOID *Data,\r | |
1048 | UINTN Size\r | |
1049 | )\r | |
1050 | {\r | |
1051 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
1052 | LIST_ENTRY *ListHead;\r | |
1053 | LIST_ENTRY *ListNode;\r | |
1054 | \r | |
1055 | //\r | |
1056 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1057 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 1058 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 1059 | //\r |
b07a5b68 | 1060 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 1061 | ListNode = GetFirstNode (ListHead);\r |
1062 | \r | |
1063 | while (ListNode != ListHead) {\r | |
b07a5b68 | 1064 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r |
80408db0 | 1065 | \r |
1066 | FnTableEntry->CallbackFn(Guid, \r | |
1067 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r | |
1068 | Data,\r | |
1069 | Size);\r | |
1070 | \r | |
1071 | ListNode = GetNextNode (ListHead, ListNode);\r | |
1072 | }\r | |
1073 | \r | |
1074 | return;\r | |
1075 | }\r | |
1076 | \r | |
1077 | \r | |
2ab6330e | 1078 | /**\r |
1079 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
1080 | \r | |
1081 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1082 | @param Data Value want to be set for PCD entry\r | |
1083 | @param Size Size of value.\r | |
1084 | \r | |
1085 | @return status of SetWorker.\r | |
1086 | \r | |
1087 | **/\r | |
80408db0 | 1088 | EFI_STATUS\r |
1089 | SetValueWorker (\r | |
1090 | IN UINTN TokenNumber,\r | |
1091 | IN VOID *Data,\r | |
1092 | IN UINTN Size\r | |
1093 | )\r | |
1094 | {\r | |
1095 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
1096 | }\r | |
1097 | \r | |
1098 | \r | |
2ab6330e | 1099 | /**\r |
1100 | Set value for an PCD entry\r | |
1101 | \r | |
1102 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1103 | @param Data Value want to be set for PCD entry\r | |
1104 | @param Size Size of value.\r | |
1105 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
1106 | If False, the type of PCD entry's value is not Pointer.\r | |
1107 | \r | |
1108 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
1109 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
149fb6d6 | 1110 | @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database. \r |
2ab6330e | 1111 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r |
1112 | range of UINT8, UINT16, UINT32, UINT64\r | |
1113 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
1114 | **/\r | |
80408db0 | 1115 | EFI_STATUS\r |
1116 | SetWorker (\r | |
1117 | IN UINTN TokenNumber,\r | |
1118 | IN VOID *Data,\r | |
1119 | IN OUT UINTN *Size,\r | |
1120 | IN BOOLEAN PtrType\r | |
1121 | )\r | |
1122 | {\r | |
80408db0 | 1123 | BOOLEAN IsPeiDb;\r |
1124 | UINT32 LocalTokenNumber;\r | |
1125 | EFI_GUID *GuidTable;\r | |
d0965169 | 1126 | UINT8 *StringTable;\r |
80408db0 | 1127 | EFI_GUID *Guid;\r |
1128 | UINT16 *Name;\r | |
1129 | UINTN VariableOffset;\r | |
23f3e119 | 1130 | UINT32 Attributes;\r |
80408db0 | 1131 | VOID *InternalData;\r |
1132 | VARIABLE_HEAD *VariableHead;\r | |
1133 | UINTN Offset;\r | |
1134 | UINT8 *PcdDb;\r | |
1135 | EFI_STATUS Status;\r | |
1136 | UINTN MaxSize;\r | |
1137 | UINTN TmpTokenNumber;\r | |
1138 | \r | |
80408db0 | 1139 | //\r |
1140 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1141 | // We have to decrement TokenNumber by 1 to make it usable\r | |
1142 | // as the array index.\r | |
1143 | //\r | |
1144 | TokenNumber--;\r | |
1145 | \r | |
1146 | TmpTokenNumber = TokenNumber;\r | |
1147 | \r | |
2ab6330e | 1148 | //\r |
80408db0 | 1149 | // EBC compiler is very choosy. It may report warning about comparison\r |
1150 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1151 | // comparison.\r | |
2ab6330e | 1152 | //\r |
419db80b | 1153 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 1154 | \r |
8ec8bed4 | 1155 | if (PtrType) {\r |
64894410 LG |
1156 | //\r |
1157 | // Get MaxSize first, then check new size with max buffer size.\r | |
1158 | //\r | |
1159 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
1160 | if (*Size > MaxSize) {\r | |
cb40609c | 1161 | *Size = MaxSize;\r |
8ec8bed4 | 1162 | return EFI_INVALID_PARAMETER;\r |
1163 | }\r | |
1164 | } else {\r | |
1165 | if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r | |
1166 | return EFI_INVALID_PARAMETER;\r | |
1167 | }\r | |
80408db0 | 1168 | }\r |
b07a5b68 | 1169 | \r |
2ab6330e | 1170 | //\r |
80408db0 | 1171 | // EBC compiler is very choosy. It may report warning about comparison\r |
1172 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1173 | // comparison.\r | |
2ab6330e | 1174 | //\r |
419db80b BF |
1175 | if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r |
1176 | (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r | |
b07a5b68 | 1177 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
1178 | }\r | |
80408db0 | 1179 | \r |
b07a5b68 | 1180 | //\r |
1181 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1182 | //\r | |
1183 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
80408db0 | 1184 | \r |
2ab6330e | 1185 | //\r |
80408db0 | 1186 | // EBC compiler is very choosy. It may report warning about comparison\r |
1187 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1188 | // comparison.\r | |
2ab6330e | 1189 | //\r |
419db80b | 1190 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
b07a5b68 | 1191 | \r |
96d6d004 | 1192 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 1193 | \r |
1194 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1195 | \r | |
419db80b | 1196 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
80408db0 | 1197 | \r |
309e3122 | 1198 | if (IsPeiDb) {\r |
419db80b | 1199 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 1200 | } else {\r |
419db80b | 1201 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 1202 | }\r |
1203 | \r | |
80408db0 | 1204 | \r |
1205 | InternalData = PcdDb + Offset;\r | |
1206 | \r | |
1207 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1208 | case PCD_TYPE_VPD:\r | |
1209 | ASSERT (FALSE);\r | |
1210 | Status = EFI_INVALID_PARAMETER;\r | |
1211 | break;\r | |
1212 | \r | |
1213 | case PCD_TYPE_STRING:\r | |
1214 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
6cfc7292 | 1215 | CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r |
80408db0 | 1216 | Status = EFI_SUCCESS;\r |
1217 | } else {\r | |
1218 | Status = EFI_INVALID_PARAMETER;\r | |
1219 | }\r | |
1220 | break;\r | |
1221 | \r | |
6ac15f7c | 1222 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 1223 | case PCD_TYPE_HII:\r |
1224 | if (PtrType) {\r | |
1225 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1226 | Status = EFI_INVALID_PARAMETER;\r | |
1227 | break;\r | |
1228 | }\r | |
1229 | }\r | |
419db80b | 1230 | \r |
309e3122 | 1231 | if (IsPeiDb) {\r |
419db80b | 1232 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 1233 | } else {\r |
419db80b | 1234 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 1235 | }\r |
419db80b | 1236 | \r |
80408db0 | 1237 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
419db80b | 1238 | \r |
1fef733c | 1239 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 1240 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r |
80408db0 | 1241 | VariableOffset = VariableHead->Offset;\r |
23f3e119 SZ |
1242 | Attributes = VariableHead->Attributes;\r |
1243 | Status = SetHiiVariable (Guid, Name, Attributes, Data, *Size, VariableOffset);\r | |
80408db0 | 1244 | break;\r |
1245 | \r | |
1246 | case PCD_TYPE_DATA:\r | |
1247 | if (PtrType) {\r | |
1248 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1249 | CopyMem (InternalData, Data, *Size);\r | |
1250 | Status = EFI_SUCCESS;\r | |
1251 | } else {\r | |
1252 | Status = EFI_INVALID_PARAMETER;\r | |
1253 | }\r | |
1254 | break;\r | |
1255 | }\r | |
1256 | \r | |
1257 | Status = EFI_SUCCESS;\r | |
1258 | switch (*Size) {\r | |
1259 | case sizeof(UINT8):\r | |
1260 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
1261 | break;\r | |
1262 | \r | |
1263 | case sizeof(UINT16):\r | |
1264 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
1265 | break;\r | |
1266 | \r | |
1267 | case sizeof(UINT32):\r | |
1268 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
1269 | break;\r | |
1270 | \r | |
1271 | case sizeof(UINT64):\r | |
1272 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
1273 | break;\r | |
1274 | \r | |
1275 | default:\r | |
1276 | ASSERT (FALSE);\r | |
1277 | Status = EFI_NOT_FOUND;\r | |
1278 | break;\r | |
1279 | }\r | |
1280 | break;\r | |
1281 | \r | |
1282 | default:\r | |
1283 | ASSERT (FALSE);\r | |
1284 | Status = EFI_NOT_FOUND;\r | |
1285 | break;\r | |
1286 | }\r | |
1287 | \r | |
1288 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
1289 | \r | |
1290 | return Status;\r | |
1291 | }\r | |
1292 | \r | |
2ab6330e | 1293 | /**\r |
1294 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 1295 | \r |
2ab6330e | 1296 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 1297 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 1298 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 1299 | \r |
2ab6330e | 1300 | @return PCD entry in PCD database.\r |
80408db0 | 1301 | \r |
2ab6330e | 1302 | **/\r |
80408db0 | 1303 | VOID *\r |
1304 | ExGetWorker (\r | |
1305 | IN CONST EFI_GUID *Guid,\r | |
1306 | IN UINTN ExTokenNumber,\r | |
1307 | IN UINTN GetSize\r | |
1308 | ) \r | |
1309 | {\r | |
1310 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
1311 | }\r | |
1312 | \r | |
2ab6330e | 1313 | /**\r |
1314 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 1315 | \r |
2ab6330e | 1316 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
1317 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1318 | @param Data Value want to be set.\r | |
1319 | @param SetSize The size of value.\r | |
80408db0 | 1320 | \r |
2ab6330e | 1321 | @return status of ExSetWorker().\r |
80408db0 | 1322 | \r |
2ab6330e | 1323 | **/\r |
80408db0 | 1324 | EFI_STATUS\r |
1325 | ExSetValueWorker (\r | |
1326 | IN UINTN ExTokenNumber,\r | |
1327 | IN CONST EFI_GUID *Guid,\r | |
1328 | IN VOID *Data,\r | |
1329 | IN UINTN SetSize\r | |
1330 | )\r | |
1331 | {\r | |
1332 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
1333 | }\r | |
1334 | \r | |
2ab6330e | 1335 | /**\r |
419db80b | 1336 | Set value for a dynamic-ex PCD entry.\r |
2ab6330e | 1337 | \r |
1338 | This routine find the local token number according to dynamic-ex PCD's token \r | |
1339 | space guid and token number firstly, and invoke callback function if this PCD\r | |
1340 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
1341 | PCD value.\r | |
1342 | \r | |
1343 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
1344 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1345 | @param Data PCD value want to be set\r | |
1346 | @param SetSize Size of value.\r | |
1347 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
1348 | If FALSE, this PCD entry is not pointer type.\r | |
1349 | \r | |
1350 | @return status of SetWorker().\r | |
80408db0 | 1351 | \r |
2ab6330e | 1352 | **/\r |
80408db0 | 1353 | EFI_STATUS\r |
1354 | ExSetWorker (\r | |
1355 | IN UINTN ExTokenNumber,\r | |
1356 | IN CONST EFI_GUID *Guid,\r | |
1357 | IN VOID *Data,\r | |
1358 | IN OUT UINTN *SetSize,\r | |
1359 | IN BOOLEAN PtrType\r | |
1360 | )\r | |
1361 | {\r | |
1362 | UINTN TokenNumber;\r | |
1363 | \r | |
1364 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r | |
1365 | \r | |
1366 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
1367 | \r | |
1368 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
1369 | \r | |
1370 | }\r | |
1371 | \r | |
2ab6330e | 1372 | /**\r |
1373 | Set value for HII-type PCD.\r | |
80408db0 | 1374 | \r |
2ab6330e | 1375 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r |
1376 | HII-type PCD is to visit this variable.\r | |
1377 | \r | |
1378 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1379 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
23f3e119 | 1380 | @param SetAttributes Attributes bitmask to set for the variable.\r |
2ab6330e | 1381 | @param Data Value want to be set.\r |
1382 | @param DataSize Size of value\r | |
1383 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 1384 | \r |
2ab6330e | 1385 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 1386 | \r |
2ab6330e | 1387 | **/\r |
80408db0 | 1388 | EFI_STATUS\r |
1389 | SetHiiVariable (\r | |
1390 | IN EFI_GUID *VariableGuid,\r | |
1391 | IN UINT16 *VariableName,\r | |
23f3e119 | 1392 | IN UINT32 SetAttributes,\r |
80408db0 | 1393 | IN CONST VOID *Data,\r |
1394 | IN UINTN DataSize,\r | |
1395 | IN UINTN Offset\r | |
1396 | )\r | |
1397 | {\r | |
1398 | UINTN Size;\r | |
1399 | VOID *Buffer;\r | |
1400 | EFI_STATUS Status;\r | |
1401 | UINT32 Attribute;\r | |
b13151ff | 1402 | UINTN SetSize;\r |
80408db0 | 1403 | \r |
1404 | Size = 0;\r | |
b13151ff | 1405 | SetSize = 0;\r |
80408db0 | 1406 | \r |
746be876 | 1407 | //\r |
1408 | // Try to get original variable size information.\r | |
1409 | //\r | |
80408db0 | 1410 | Status = gRT->GetVariable (\r |
1411 | (UINT16 *)VariableName,\r | |
1412 | VariableGuid,\r | |
1413 | NULL,\r | |
1414 | &Size,\r | |
1415 | NULL\r | |
1416 | );\r | |
b13151ff | 1417 | \r |
80408db0 | 1418 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
746be876 | 1419 | //\r |
1420 | // Patch new PCD's value to offset in given HII variable.\r | |
1421 | //\r | |
23f3e119 | 1422 | if (Size >= (DataSize + Offset)) {\r |
b13151ff LG |
1423 | SetSize = Size;\r |
1424 | } else {\r | |
1425 | SetSize = DataSize + Offset;\r | |
1426 | }\r | |
1427 | Buffer = AllocatePool (SetSize);\r | |
80408db0 | 1428 | ASSERT (Buffer != NULL);\r |
1429 | \r | |
1430 | Status = gRT->GetVariable (\r | |
1431 | VariableName,\r | |
1432 | VariableGuid,\r | |
1433 | &Attribute,\r | |
1434 | &Size,\r | |
1435 | Buffer\r | |
1436 | );\r | |
1437 | \r | |
1438 | ASSERT_EFI_ERROR (Status);\r | |
1439 | \r | |
1440 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1441 | \r | |
23f3e119 SZ |
1442 | if (SetAttributes == 0) {\r |
1443 | SetAttributes = Attribute;\r | |
1444 | }\r | |
1445 | \r | |
80408db0 | 1446 | Status = gRT->SetVariable (\r |
1447 | VariableName,\r | |
1448 | VariableGuid,\r | |
23f3e119 | 1449 | SetAttributes,\r |
b13151ff | 1450 | SetSize,\r |
80408db0 | 1451 | Buffer\r |
1452 | );\r | |
1453 | \r | |
1454 | FreePool (Buffer);\r | |
1455 | return Status;\r | |
746be876 | 1456 | } else if (Status == EFI_NOT_FOUND) {\r |
1457 | //\r | |
1458 | // If variable does not exist, a new variable need to be created.\r | |
1459 | //\r | |
1460 | \r | |
1461 | Size = Offset + DataSize;\r | |
1462 | \r | |
1463 | Buffer = AllocateZeroPool (Size);\r | |
1464 | ASSERT (Buffer != NULL);\r | |
1465 | \r | |
1466 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
23f3e119 SZ |
1467 | \r |
1468 | if (SetAttributes == 0) {\r | |
1469 | SetAttributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;\r | |
1470 | }\r | |
1471 | \r | |
746be876 | 1472 | Status = gRT->SetVariable (\r |
1473 | VariableName,\r | |
1474 | VariableGuid,\r | |
23f3e119 | 1475 | SetAttributes,\r |
746be876 | 1476 | Size,\r |
1477 | Buffer\r | |
1478 | );\r | |
1479 | \r | |
1480 | FreePool (Buffer);\r | |
1481 | return Status; \r | |
1482 | }\r | |
80408db0 | 1483 | \r |
1484 | //\r | |
23f3e119 | 1485 | // If we drop to here, the value is failed to be written in to variable area.\r |
80408db0 | 1486 | //\r |
1487 | return Status;\r | |
1488 | }\r | |
1489 | \r | |
2ab6330e | 1490 | /**\r |
419db80b | 1491 | Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r |
80408db0 | 1492 | \r |
2ab6330e | 1493 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1494 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
419db80b | 1495 | space guid: token number} to Token Number.\r |
2ab6330e | 1496 | \r |
1497 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
b9982883 | 1498 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1499 | \r |
419db80b | 1500 | @return Token Number for dynamic-ex PCD.\r |
80408db0 | 1501 | \r |
2ab6330e | 1502 | **/\r |
80408db0 | 1503 | UINTN \r |
1504 | GetExPcdTokenNumber (\r | |
1505 | IN CONST EFI_GUID *Guid,\r | |
1506 | IN UINT32 ExTokenNumber\r | |
1507 | )\r | |
1508 | {\r | |
2ab6330e | 1509 | UINT32 Index;\r |
80408db0 | 1510 | DYNAMICEX_MAPPING *ExMap;\r |
1511 | EFI_GUID *GuidTable;\r | |
1512 | EFI_GUID *MatchGuid;\r | |
1513 | UINTN MatchGuidIdx;\r | |
1514 | \r | |
419db80b BF |
1515 | if (!mPeiDatabaseEmpty) {\r |
1516 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r | |
1517 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r | |
1518 | \r | |
1519 | MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r | |
1520 | \r | |
80408db0 | 1521 | if (MatchGuid != NULL) {\r |
1522 | \r | |
1523 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1524 | \r |
8cc87d32 | 1525 | for (Index = 0; Index < mPcdDatabase.PeiDb->ExTokenCount; Index++) {\r |
2ab6330e | 1526 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1527 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1528 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1529 | }\r |
1530 | }\r | |
1531 | }\r | |
1532 | }\r | |
80408db0 | 1533 | \r |
419db80b BF |
1534 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r |
1535 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r | |
1536 | \r | |
1537 | MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r | |
80408db0 | 1538 | //\r |
1539 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1540 | // error in the BUILD system.\r | |
1541 | //\r | |
1542 | ASSERT (MatchGuid != NULL);\r | |
1543 | \r | |
1544 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1545 | \r |
8cc87d32 | 1546 | for (Index = 0; Index < mPcdDatabase.DxeDb->ExTokenCount; Index++) {\r |
2ab6330e | 1547 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1548 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1549 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1550 | }\r |
1551 | }\r | |
1552 | \r | |
1553 | ASSERT (FALSE);\r | |
1554 | \r | |
1555 | return 0;\r | |
1556 | }\r | |
1557 | \r | |
2ab6330e | 1558 | /**\r |
3fd8027e | 1559 | Get SKU ID table from PCD database.\r |
2ab6330e | 1560 | \r |
1561 | @param LocalTokenNumberTableIdx Index of local token number in token number table.\r | |
419db80b BF |
1562 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1563 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
2ab6330e | 1564 | @return Pointer to SKU ID array table\r |
1565 | \r | |
1566 | **/\r | |
80408db0 | 1567 | SKU_ID *\r |
1568 | GetSkuIdArray (\r | |
1569 | IN UINTN LocalTokenNumberTableIdx,\r | |
419db80b | 1570 | IN BOOLEAN IsPeiDb\r |
80408db0 | 1571 | )\r |
1572 | {\r | |
1573 | SKU_HEAD *SkuHead;\r | |
1574 | UINTN LocalTokenNumber;\r | |
1575 | UINT8 *Database;\r | |
1576 | \r | |
419db80b BF |
1577 | if (IsPeiDb) {\r |
1578 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r | |
1579 | Database = (UINT8 *) mPcdDatabase.PeiDb;\r | |
80408db0 | 1580 | } else {\r |
419db80b BF |
1581 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
1582 | Database = (UINT8 *) mPcdDatabase.DxeDb;\r | |
80408db0 | 1583 | }\r |
1584 | \r | |
1585 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
1586 | \r | |
1587 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
1588 | \r | |
1589 | return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);\r | |
1590 | \r | |
1591 | }\r | |
1592 | \r | |
2ab6330e | 1593 | /**\r |
3d53ba8b | 1594 | Wrapper function of getting index of PCD entry in size table.\r |
1595 | \r | |
2ab6330e | 1596 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1597 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1598 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1599 | \r | |
1600 | @return index of PCD entry in size table.\r | |
2ab6330e | 1601 | **/\r |
80408db0 | 1602 | UINTN\r |
3d53ba8b | 1603 | GetSizeTableIndex (\r |
1604 | IN UINTN LocalTokenNumberTableIdx,\r | |
1605 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1606 | )\r |
1607 | {\r | |
3d53ba8b | 1608 | UINT32 *LocalTokenNumberTable;\r |
1609 | UINTN LocalTokenNumber;\r | |
1610 | UINTN Index;\r | |
1611 | UINTN SizeTableIdx;\r | |
1612 | SKU_ID *SkuIdTable;\r | |
80408db0 | 1613 | \r |
3d53ba8b | 1614 | if (IsPeiDb) {\r |
419db80b | 1615 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1616 | } else {\r |
419db80b | 1617 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1618 | }\r |
1619 | \r | |
80408db0 | 1620 | SizeTableIdx = 0;\r |
1621 | \r | |
3d53ba8b | 1622 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1623 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1624 | \r |
1625 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1626 | //\r | |
1627 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1628 | // PCD entry.\r | |
1629 | //\r | |
2ab6330e | 1630 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1631 | //\r |
419db80b | 1632 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1633 | // 1) MAX Size.\r |
419db80b BF |
1634 | // 2) Current Size\r |
1635 | // Current size is equal to MAX size.\r | |
80408db0 | 1636 | //\r |
419db80b | 1637 | SizeTableIdx += 2;\r |
80408db0 | 1638 | } else {\r |
1639 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1640 | //\r | |
1641 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1642 | // 1) MAX SIZE\r | |
1643 | // 2) Current Size\r | |
1644 | //\r | |
1645 | SizeTableIdx += 2;\r | |
1646 | } else {\r | |
1647 | //\r | |
1648 | // We have these entry for SKU enabled PCD entry\r | |
1649 | // 1) MAX SIZE\r | |
1650 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1651 | //\r | |
2ab6330e | 1652 | SkuIdTable = GetSkuIdArray (Index, IsPeiDb);\r |
80408db0 | 1653 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r |
1654 | }\r | |
1655 | }\r | |
1656 | }\r | |
1657 | \r | |
1658 | }\r | |
1659 | \r | |
3d53ba8b | 1660 | return SizeTableIdx; \r |
80408db0 | 1661 | }\r |
1662 | \r | |
2ab6330e | 1663 | /**\r |
1664 | Get size of POINTER type PCD value.\r | |
1665 | \r | |
1666 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1667 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1668 | \r |
2ab6330e | 1669 | @return size of POINTER type PCD value.\r |
80408db0 | 1670 | \r |
2ab6330e | 1671 | **/\r |
80408db0 | 1672 | UINTN\r |
1673 | GetPtrTypeSize (\r | |
1674 | IN UINTN LocalTokenNumberTableIdx,\r | |
1675 | OUT UINTN *MaxSize\r | |
1676 | )\r | |
1677 | {\r | |
1678 | INTN SizeTableIdx;\r | |
1679 | UINTN LocalTokenNumber;\r | |
1680 | SKU_ID *SkuIdTable;\r | |
1681 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1682 | UINTN Index;\r |
80408db0 | 1683 | BOOLEAN IsPeiDb;\r |
1684 | UINT32 *LocalTokenNumberTable;\r | |
1685 | \r | |
1686 | // EBC compiler is very choosy. It may report warning about comparison\r | |
1687 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1688 | // comparison.\r | |
419db80b | 1689 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1690 | \r |
1691 | \r | |
1692 | if (IsPeiDb) {\r | |
419db80b BF |
1693 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1694 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1695 | } else {\r |
419db80b BF |
1696 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1697 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1698 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1699 | }\r |
1700 | \r | |
1701 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1702 | \r | |
1703 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1704 | \r | |
1705 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1706 | \r | |
1707 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1708 | //\r | |
1709 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1710 | // PCD entry.\r | |
1711 | //\r | |
2ab6330e | 1712 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1713 | //\r |
419db80b | 1714 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1715 | // 1) MAX Size.\r |
419db80b | 1716 | // 2) Current Size\r |
80408db0 | 1717 | // We consider current size is equal to MAX size.\r |
1718 | //\r | |
1719 | return *MaxSize;\r | |
1720 | } else {\r | |
1721 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1722 | //\r | |
1723 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1724 | // 1) MAX SIZE\r | |
1725 | // 2) Current Size\r | |
1726 | //\r | |
1727 | return SizeTable[SizeTableIdx + 1];\r | |
1728 | } else {\r | |
1729 | //\r | |
1730 | // We have these entry for SKU enabled PCD entry\r | |
1731 | // 1) MAX SIZE\r | |
1732 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1733 | //\r | |
1734 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1735 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1736 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1737 | return SizeTable[SizeTableIdx + 1 + Index];\r |
80408db0 | 1738 | }\r |
1739 | }\r | |
1740 | return SizeTable[SizeTableIdx + 1];\r | |
1741 | }\r | |
1742 | }\r | |
1743 | }\r | |
1744 | \r | |
2ab6330e | 1745 | /**\r |
3fd8027e | 1746 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1747 | of this PCD value.\r |
80408db0 | 1748 | \r |
2ab6330e | 1749 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1750 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1751 | \r |
2ab6330e | 1752 | @retval TRUE Success to set size of PCD value.\r |
1753 | @retval FALSE Fail to set size of PCD value.\r | |
1754 | **/\r | |
80408db0 | 1755 | BOOLEAN\r |
1756 | SetPtrTypeSize (\r | |
1757 | IN UINTN LocalTokenNumberTableIdx,\r | |
1758 | IN OUT UINTN *CurrentSize\r | |
1759 | )\r | |
1760 | {\r | |
1761 | INTN SizeTableIdx;\r | |
1762 | UINTN LocalTokenNumber;\r | |
1763 | SKU_ID *SkuIdTable;\r | |
1764 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1765 | UINTN Index;\r |
80408db0 | 1766 | UINTN MaxSize;\r |
1767 | BOOLEAN IsPeiDb;\r | |
1768 | UINT32 *LocalTokenNumberTable;\r | |
1769 | \r | |
2ab6330e | 1770 | //\r |
80408db0 | 1771 | // EBC compiler is very choosy. It may report warning about comparison\r |
1772 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1773 | // comparison.\r | |
2ab6330e | 1774 | //\r |
419db80b | 1775 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1776 | \r |
1777 | if (IsPeiDb) {\r | |
419db80b BF |
1778 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1779 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1780 | } else {\r |
419db80b BF |
1781 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1782 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1783 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1784 | }\r |
1785 | \r | |
1786 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1787 | \r | |
1788 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1789 | \r | |
1790 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1791 | \r | |
1792 | MaxSize = SizeTable[SizeTableIdx];\r | |
1793 | //\r | |
1794 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1795 | // PCD entry.\r | |
1796 | //\r | |
2ab6330e | 1797 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1798 | //\r |
1799 | // We shouldn't come here as we don't support SET for VPD\r | |
1800 | //\r | |
1801 | ASSERT (FALSE);\r | |
1802 | return FALSE;\r | |
1803 | } else {\r | |
1804 | if ((*CurrentSize > MaxSize) ||\r | |
1805 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1806 | *CurrentSize = MaxSize;\r | |
1807 | return FALSE;\r | |
1808 | } \r | |
1809 | \r | |
1810 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1811 | //\r | |
1812 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1813 | // 1) MAX SIZE\r | |
1814 | // 2) Current Size\r | |
1815 | //\r | |
1816 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1817 | return TRUE;\r | |
1818 | } else {\r | |
1819 | //\r | |
1820 | // We have these entry for SKU enabled PCD entry\r | |
1821 | // 1) MAX SIZE\r | |
1822 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1823 | //\r | |
1824 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1825 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1826 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1827 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r |
80408db0 | 1828 | return TRUE;\r |
1829 | }\r | |
1830 | }\r | |
1831 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1832 | return TRUE;\r | |
1833 | }\r | |
1834 | }\r | |
1835 | }\r | |
23f3e119 SZ |
1836 | \r |
1837 | /**\r | |
1838 | VariableLock DynamicHiiPcd.\r | |
1839 | \r | |
1840 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
1841 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1842 | @param[in] VariableLock Pointer to VariableLockProtocol.\r | |
1843 | \r | |
1844 | **/\r | |
1845 | VOID\r | |
1846 | VariableLockDynamicHiiPcd (\r | |
1847 | IN BOOLEAN IsPeiDb,\r | |
1848 | IN EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock\r | |
1849 | )\r | |
1850 | {\r | |
1851 | EFI_STATUS Status;\r | |
1852 | PCD_DATABASE_INIT *Database;\r | |
1853 | UINT32 LocalTokenCount; \r | |
1854 | UINTN TokenNumber;\r | |
1855 | UINT32 LocalTokenNumber;\r | |
1856 | UINTN Offset;\r | |
1857 | EFI_GUID *GuidTable;\r | |
1858 | UINT8 *StringTable;\r | |
1859 | VARIABLE_HEAD *VariableHead;\r | |
1860 | EFI_GUID *Guid;\r | |
1861 | UINT16 *Name;\r | |
1862 | \r | |
1863 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
1864 | LocalTokenCount = IsPeiDb ? mPeiLocalTokenCount: mDxeLocalTokenCount;\r | |
1865 | \r | |
1866 | //\r | |
1867 | // Go through PCD database to find out DynamicHii PCDs.\r | |
1868 | //\r | |
a856128a | 1869 | for (TokenNumber = 1; TokenNumber <= LocalTokenCount; TokenNumber++) {\r |
23f3e119 SZ |
1870 | if (IsPeiDb) {\r |
1871 | LocalTokenNumber = GetLocalTokenNumber (TRUE, TokenNumber);\r | |
1872 | } else {\r | |
1873 | LocalTokenNumber = GetLocalTokenNumber (FALSE, TokenNumber + mPeiLocalTokenCount);\r | |
1874 | }\r | |
1875 | if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r | |
1876 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1877 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r | |
1878 | //\r | |
1879 | // Why not to set property by VarCheckProtocol with Attributes and Property directly here?\r | |
1880 | // It is because that set property by VarCheckProtocol will indicate the variable to\r | |
1881 | // be a system variable, but the unknown max size of the variable is dangerous to\r | |
1882 | // the system variable region.\r | |
1883 | //\r | |
1884 | if ((VariableHead->Property & VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY) != 0) {\r | |
1885 | //\r | |
1886 | // DynamicHii PCD with RO property set in *.dsc.\r | |
1887 | //\r | |
1888 | StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r | |
1889 | GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r | |
1890 | Guid = GuidTable + VariableHead->GuidTableIndex;\r | |
1891 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r | |
1892 | Status = VariableLock->RequestToLock (VariableLock, Name, Guid);\r | |
1893 | ASSERT_EFI_ERROR (Status);\r | |
1894 | }\r | |
1895 | }\r | |
1896 | }\r | |
1897 | }\r | |
1898 | \r | |
1899 | /**\r | |
1900 | VariableLockProtocol callback\r | |
1901 | to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r | |
1902 | \r | |
1903 | @param[in] Event Event whose notification function is being invoked.\r | |
1904 | @param[in] Context Pointer to the notification function's context.\r | |
1905 | \r | |
1906 | **/\r | |
1907 | VOID\r | |
1908 | EFIAPI\r | |
1909 | VariableLockCallBack (\r | |
1910 | IN EFI_EVENT Event,\r | |
1911 | IN VOID *Context\r | |
1912 | )\r | |
1913 | {\r | |
1914 | EFI_STATUS Status;\r | |
1915 | EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;\r | |
1916 | \r | |
1917 | Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);\r | |
1918 | if (!EFI_ERROR (Status)) {\r | |
1919 | VariableLockDynamicHiiPcd (TRUE, VariableLock);\r | |
1920 | VariableLockDynamicHiiPcd (FALSE, VariableLock);\r | |
1921 | }\r | |
1922 | }\r | |
1923 | \r |