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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 |
16f69227 | 5 | Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r |
bfb4c2ba | 6 | (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r |
e5eed7d3 | 7 | This program and the accompanying materials\r |
80408db0 | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
80408db0 | 15 | **/\r |
80408db0 | 16 | \r |
17 | #include "Service.h"\r | |
419db80b | 18 | #include <Library/DxeServicesLib.h>\r |
80408db0 | 19 | \r |
419db80b BF |
20 | PCD_DATABASE mPcdDatabase;\r |
21 | \r | |
22 | UINT32 mPcdTotalTokenCount; \r | |
23 | UINT32 mPeiLocalTokenCount; \r | |
24 | UINT32 mDxeLocalTokenCount; \r | |
25 | UINT32 mPeiNexTokenCount; \r | |
26 | UINT32 mDxeNexTokenCount; \r | |
27 | UINT32 mPeiExMapppingTableSize;\r | |
28 | UINT32 mDxeExMapppingTableSize;\r | |
29 | UINT32 mPeiGuidTableSize;\r | |
30 | UINT32 mDxeGuidTableSize;\r | |
31 | \r | |
32 | BOOLEAN mPeiExMapTableEmpty; \r | |
33 | BOOLEAN mDxeExMapTableEmpty; \r | |
34 | BOOLEAN mPeiDatabaseEmpty;\r | |
80408db0 | 35 | \r |
b07a5b68 | 36 | LIST_ENTRY *mCallbackFnTable;\r |
419db80b BF |
37 | EFI_GUID **TmpTokenSpaceBuffer;\r |
38 | UINTN TmpTokenSpaceBufferCount; \r | |
39 | \r | |
96d6d004 SZ |
40 | /**\r |
41 | Get Local Token Number by Token Number.\r | |
42 | \r | |
43 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
44 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
45 | @param[in] TokenNumber The PCD token number.\r | |
46 | \r | |
47 | @return Local Token Number.\r | |
48 | **/\r | |
49 | UINT32\r | |
50 | GetLocalTokenNumber (\r | |
51 | IN BOOLEAN IsPeiDb,\r | |
52 | IN UINTN TokenNumber\r | |
53 | )\r | |
54 | {\r | |
d5ad0813 | 55 | UINTN TmpTokenNumber;\r |
96d6d004 SZ |
56 | UINT32 *LocalTokenNumberTable;\r |
57 | UINT32 LocalTokenNumber;\r | |
58 | UINTN Size;\r | |
59 | UINTN MaxSize;\r | |
60 | \r | |
61 | //\r | |
62 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
63 | // We have to decrement TokenNumber by 1 to make it usable\r | |
64 | // as the array index.\r | |
65 | //\r | |
66 | TokenNumber--;\r | |
67 | \r | |
d5ad0813 SZ |
68 | //\r |
69 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
70 | // \r | |
71 | TmpTokenNumber = TokenNumber;\r | |
72 | \r | |
96d6d004 SZ |
73 | LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) : \r |
74 | (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
75 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
76 | \r | |
77 | LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r | |
78 | \r | |
79 | Size = (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r | |
80 | \r | |
81 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r | |
82 | if (Size == 0) {\r | |
d5ad0813 | 83 | GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r |
96d6d004 SZ |
84 | } else {\r |
85 | MaxSize = Size;\r | |
86 | }\r | |
87 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r | |
88 | }\r | |
89 | \r | |
90 | return LocalTokenNumber;\r | |
91 | }\r | |
92 | \r | |
93 | /**\r | |
94 | Get PCD type by Local Token Number.\r | |
95 | \r | |
96 | @param[in] LocalTokenNumber The PCD local token number.\r | |
97 | \r | |
98 | @return PCD type.\r | |
99 | **/\r | |
100 | EFI_PCD_TYPE\r | |
101 | GetPcdType (\r | |
102 | IN UINT32 LocalTokenNumber\r | |
103 | )\r | |
104 | {\r | |
105 | switch (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) {\r | |
106 | case PCD_DATUM_TYPE_POINTER:\r | |
107 | return EFI_PCD_TYPE_PTR;\r | |
108 | case PCD_DATUM_TYPE_UINT8:\r | |
b5bd21b0 | 109 | if ((LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) == PCD_DATUM_TYPE_UINT8_BOOLEAN) {\r |
96d6d004 SZ |
110 | return EFI_PCD_TYPE_BOOL;\r |
111 | } else {\r | |
112 | return EFI_PCD_TYPE_8;\r | |
113 | }\r | |
114 | case PCD_DATUM_TYPE_UINT16:\r | |
115 | return EFI_PCD_TYPE_16;\r | |
116 | case PCD_DATUM_TYPE_UINT32:\r | |
117 | return EFI_PCD_TYPE_32;\r | |
118 | case PCD_DATUM_TYPE_UINT64:\r | |
119 | return EFI_PCD_TYPE_64;\r | |
120 | default:\r | |
121 | ASSERT (FALSE);\r | |
122 | return EFI_PCD_TYPE_8;\r | |
123 | }\r | |
124 | }\r | |
125 | \r | |
126 | /**\r | |
127 | Get PCD name.\r | |
128 | \r | |
129 | @param[in] OnlyTokenSpaceName If TRUE, only need to get the TokenSpaceCName.\r | |
130 | If FALSE, need to get the full PCD name.\r | |
131 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
132 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
133 | @param[in] TokenNumber The PCD token number.\r | |
134 | \r | |
135 | @return The TokenSpaceCName or full PCD name.\r | |
136 | **/\r | |
137 | CHAR8 *\r | |
138 | GetPcdName (\r | |
139 | IN BOOLEAN OnlyTokenSpaceName,\r | |
140 | IN BOOLEAN IsPeiDb,\r | |
141 | IN UINTN TokenNumber\r | |
142 | )\r | |
143 | {\r | |
144 | PCD_DATABASE_INIT *Database;\r | |
145 | UINT8 *StringTable;\r | |
e85e284e | 146 | UINTN NameSize;\r |
96d6d004 SZ |
147 | PCD_NAME_INDEX *PcdNameIndex;\r |
148 | CHAR8 *TokenSpaceName;\r | |
149 | CHAR8 *PcdName;\r | |
150 | CHAR8 *Name;\r | |
151 | \r | |
85d0b97d SZ |
152 | //\r |
153 | // Return NULL when PCD name table is absent. \r | |
154 | //\r | |
155 | if (IsPeiDb) {\r | |
156 | if (mPcdDatabase.PeiDb->PcdNameTableOffset == 0) {\r | |
157 | return NULL;\r | |
158 | }\r | |
159 | } else {\r | |
160 | if (mPcdDatabase.DxeDb->PcdNameTableOffset == 0) {\r | |
161 | return NULL;\r | |
162 | }\r | |
163 | }\r | |
164 | \r | |
96d6d004 SZ |
165 | //\r |
166 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
167 | // We have to decrement TokenNumber by 1 to make it usable\r | |
168 | // as the array index.\r | |
169 | //\r | |
170 | TokenNumber--;\r | |
171 | \r | |
172 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
173 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
174 | \r | |
175 | StringTable = (UINT8 *) Database + Database->StringTableOffset;\r | |
176 | \r | |
177 | //\r | |
178 | // Get the PCD name index.\r | |
179 | //\r | |
180 | PcdNameIndex = (PCD_NAME_INDEX *)((UINT8 *) Database + Database->PcdNameTableOffset) + TokenNumber;\r | |
181 | TokenSpaceName = (CHAR8 *)&StringTable[PcdNameIndex->TokenSpaceCNameIndex];\r | |
182 | PcdName = (CHAR8 *)&StringTable[PcdNameIndex->PcdCNameIndex];\r | |
183 | \r | |
184 | if (OnlyTokenSpaceName) {\r | |
185 | //\r | |
186 | // Only need to get the TokenSpaceCName.\r | |
187 | //\r | |
188 | Name = AllocateCopyPool (AsciiStrSize (TokenSpaceName), TokenSpaceName);\r | |
189 | } else {\r | |
190 | //\r | |
191 | // Need to get the full PCD name.\r | |
192 | //\r | |
e85e284e QS |
193 | NameSize = AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName);\r |
194 | Name = AllocateZeroPool (NameSize);\r | |
f47fc1cb | 195 | ASSERT (Name != NULL);\r |
96d6d004 SZ |
196 | //\r |
197 | // Catenate TokenSpaceCName and PcdCName with a '.' to form the full PCD name.\r | |
198 | //\r | |
e85e284e | 199 | AsciiStrCatS (Name, NameSize, TokenSpaceName);\r |
96d6d004 | 200 | Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.';\r |
e85e284e | 201 | AsciiStrCatS (Name, NameSize, PcdName); \r |
96d6d004 SZ |
202 | }\r |
203 | \r | |
204 | return Name;\r | |
205 | }\r | |
206 | \r | |
207 | /**\r | |
208 | Retrieve additional information associated with a PCD token.\r | |
209 | \r | |
210 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
211 | human readable name that is associated with the token.\r | |
212 | \r | |
213 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
214 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
215 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
216 | @param[in] TokenNumber The PCD token number.\r | |
217 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
218 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName. \r | |
219 | \r | |
220 | @retval EFI_SUCCESS The PCD information was returned successfully\r | |
221 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
222 | **/\r | |
223 | EFI_STATUS\r | |
224 | ExGetPcdInfo (\r | |
225 | IN BOOLEAN IsPeiDb,\r | |
226 | IN CONST EFI_GUID *Guid,\r | |
227 | IN UINTN TokenNumber,\r | |
228 | OUT EFI_PCD_INFO *PcdInfo\r | |
229 | )\r | |
230 | {\r | |
231 | PCD_DATABASE_INIT *Database;\r | |
232 | UINTN GuidTableIdx;\r | |
233 | EFI_GUID *MatchGuid;\r | |
234 | EFI_GUID *GuidTable;\r | |
235 | DYNAMICEX_MAPPING *ExMapTable;\r | |
236 | UINTN Index;\r | |
237 | UINT32 LocalTokenNumber;\r | |
238 | \r | |
239 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
240 | \r | |
241 | GuidTable = (EFI_GUID *)((UINT8 *)Database + Database->GuidTableOffset);\r | |
242 | MatchGuid = ScanGuid (GuidTable, Database->GuidTableCount * sizeof(EFI_GUID), Guid);\r | |
243 | \r | |
244 | if (MatchGuid == NULL) {\r | |
245 | return EFI_NOT_FOUND;\r | |
246 | }\r | |
247 | \r | |
248 | GuidTableIdx = MatchGuid - GuidTable;\r | |
249 | \r | |
250 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)Database + Database->ExMapTableOffset);\r | |
251 | \r | |
252 | //\r | |
253 | // Find the PCD by GuidTableIdx and ExTokenNumber in ExMapTable.\r | |
254 | //\r | |
255 | for (Index = 0; Index < Database->ExTokenCount; Index++) {\r | |
256 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
257 | if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
258 | //\r | |
259 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
260 | // PcdSize to 0 and PcdName to the null-terminated ASCII string\r | |
261 | // associated with the token's namespace Guid.\r | |
262 | //\r | |
263 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
264 | PcdInfo->PcdSize = 0;\r | |
265 | //\r | |
266 | // Here use one representative in the token space to get the TokenSpaceCName.\r | |
267 | // \r | |
268 | PcdInfo->PcdName = GetPcdName (TRUE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
269 | return EFI_SUCCESS;\r | |
270 | } else if (ExMapTable[Index].ExTokenNumber == TokenNumber) {\r | |
271 | PcdInfo->PcdSize = DxePcdGetSize (ExMapTable[Index].TokenNumber);\r | |
272 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
273 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
274 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
275 | return EFI_SUCCESS;\r | |
276 | }\r | |
277 | }\r | |
278 | }\r | |
279 | \r | |
280 | return EFI_NOT_FOUND;\r | |
281 | }\r | |
282 | \r | |
283 | /**\r | |
284 | Retrieve additional information associated with a PCD token.\r | |
285 | \r | |
286 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
287 | human readable name that is associated with the token.\r | |
288 | \r | |
289 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
290 | @param[in] TokenNumber The PCD token number.\r | |
291 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
292 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
293 | \r | |
294 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
295 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
296 | **/\r | |
297 | EFI_STATUS\r | |
298 | DxeGetPcdInfo (\r | |
299 | IN CONST EFI_GUID *Guid,\r | |
300 | IN UINTN TokenNumber,\r | |
301 | OUT EFI_PCD_INFO *PcdInfo\r | |
302 | )\r | |
303 | {\r | |
304 | EFI_STATUS Status;\r | |
305 | BOOLEAN PeiExMapTableEmpty;\r | |
306 | BOOLEAN DxeExMapTableEmpty;\r | |
307 | UINT32 LocalTokenNumber;\r | |
308 | BOOLEAN IsPeiDb;\r | |
309 | \r | |
96d6d004 SZ |
310 | ASSERT (PcdInfo != NULL);\r |
311 | \r | |
312 | Status = EFI_NOT_FOUND;\r | |
313 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r | |
314 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
315 | \r | |
316 | if (Guid == NULL) {\r | |
317 | if (((TokenNumber + 1 > mPeiNexTokenCount + 1) && (TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r | |
318 | ((TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r | |
319 | return EFI_NOT_FOUND;\r | |
320 | } else if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
321 | //\r | |
322 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
323 | // PcdSize to 0 and PcdName to NULL for default Token Space.\r | |
324 | //\r | |
325 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
326 | PcdInfo->PcdSize = 0;\r | |
327 | PcdInfo->PcdName = NULL;\r | |
328 | } else {\r | |
329 | PcdInfo->PcdSize = DxePcdGetSize (TokenNumber);\r | |
330 | IsPeiDb = FALSE;\r | |
331 | if ((TokenNumber + 1 <= mPeiNexTokenCount + 1)) {\r | |
332 | IsPeiDb = TRUE;\r | |
333 | }\r | |
334 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r | |
335 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
336 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, TokenNumber);\r | |
337 | }\r | |
338 | return EFI_SUCCESS;\r | |
339 | }\r | |
340 | \r | |
341 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
342 | return EFI_NOT_FOUND;\r | |
343 | }\r | |
344 | \r | |
345 | if (!PeiExMapTableEmpty) {\r | |
346 | Status = ExGetPcdInfo (\r | |
347 | TRUE,\r | |
348 | Guid,\r | |
349 | TokenNumber,\r | |
350 | PcdInfo\r | |
351 | );\r | |
352 | }\r | |
353 | \r | |
354 | if (Status == EFI_SUCCESS) {\r | |
355 | return Status;\r | |
356 | }\r | |
357 | \r | |
358 | if (!DxeExMapTableEmpty) {\r | |
359 | Status = ExGetPcdInfo (\r | |
360 | FALSE,\r | |
361 | Guid,\r | |
362 | TokenNumber,\r | |
363 | PcdInfo\r | |
364 | );\r | |
365 | }\r | |
366 | \r | |
367 | return Status;\r | |
368 | }\r | |
80408db0 | 369 | \r |
2ab6330e | 370 | /**\r |
371 | Get the PCD entry pointer in PCD database.\r | |
372 | \r | |
373 | This routine will visit PCD database to find the PCD entry according to given\r | |
374 | token number. The given token number is autogened by build tools and it will be \r | |
375 | translated to local token number. Local token number contains PCD's type and \r | |
376 | offset of PCD entry in PCD database.\r | |
377 | \r | |
378 | @param TokenNumber Token's number, it is autogened by build tools\r | |
379 | @param GetSize The size of token's value\r | |
380 | \r | |
381 | @return PCD entry pointer in PCD database\r | |
382 | \r | |
383 | **/\r | |
80408db0 | 384 | VOID *\r |
385 | GetWorker (\r | |
2ab6330e | 386 | IN UINTN TokenNumber,\r |
387 | IN UINTN GetSize\r | |
80408db0 | 388 | )\r |
389 | {\r | |
80408db0 | 390 | EFI_GUID *GuidTable;\r |
d0965169 | 391 | UINT8 *StringTable;\r |
80408db0 | 392 | EFI_GUID *Guid;\r |
393 | UINT16 *Name;\r | |
394 | VARIABLE_HEAD *VariableHead;\r | |
395 | UINT8 *VaraiableDefaultBuffer;\r | |
396 | UINT8 *Data;\r | |
397 | VPD_HEAD *VpdHead;\r | |
398 | UINT8 *PcdDb;\r | |
399 | VOID *RetPtr;\r | |
80408db0 | 400 | UINTN TmpTokenNumber;\r |
401 | UINTN DataSize;\r | |
402 | EFI_STATUS Status;\r | |
403 | UINT32 LocalTokenNumber;\r | |
404 | UINT32 Offset;\r | |
6cfc7292 | 405 | STRING_HEAD StringTableIdx; \r |
80408db0 | 406 | BOOLEAN IsPeiDb;\r |
407 | \r | |
408 | //\r | |
409 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
410 | //\r | |
411 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
412 | \r | |
413 | RetPtr = NULL;\r | |
419db80b BF |
414 | \r |
415 | ASSERT (TokenNumber > 0);\r | |
80408db0 | 416 | //\r |
417 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
418 | // We have to decrement TokenNumber by 1 to make it usable\r | |
419 | // as the array index.\r | |
420 | //\r | |
421 | TokenNumber--;\r | |
422 | \r | |
423 | TmpTokenNumber = TokenNumber;\r | |
419db80b | 424 | \r |
80408db0 | 425 | //\r |
419db80b BF |
426 | // EBC compiler is very choosy. It may report warning about comparison\r |
427 | // between UINTN and 0 . So we add 1 in each size of the \r | |
80408db0 | 428 | // comparison.\r |
429 | //\r | |
419db80b | 430 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 431 | \r |
432 | ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));\r | |
433 | \r | |
434 | // EBC compiler is very choosy. It may report warning about comparison\r | |
435 | // between UINTN and 0 . So we add 1 in each size of the \r | |
436 | // comparison.\r | |
419db80b | 437 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
80408db0 | 438 | \r |
96d6d004 | 439 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 440 | \r |
419db80b | 441 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
309e3122 | 442 | \r |
443 | if (IsPeiDb) {\r | |
419db80b | 444 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 445 | } else {\r |
419db80b | 446 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 447 | }\r |
419db80b BF |
448 | \r |
449 | \r | |
80408db0 | 450 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
419db80b | 451 | \r |
80408db0 | 452 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
453 | case PCD_TYPE_VPD:\r | |
454 | VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);\r | |
16f69227 | 455 | RetPtr = (VOID *) ((UINTN) PcdGet32 (PcdVpdBaseAddress) + VpdHead->Offset);\r |
419db80b | 456 | \r |
80408db0 | 457 | break;\r |
419db80b | 458 | \r |
6ac15f7c | 459 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 460 | case PCD_TYPE_HII:\r |
309e3122 | 461 | if (IsPeiDb) {\r |
419db80b | 462 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 463 | } else {\r |
419db80b | 464 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 465 | }\r |
419db80b | 466 | \r |
80408db0 | 467 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
1fef733c | 468 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 469 | Name = (UINT16*)(StringTable + VariableHead->StringIndex);\r |
419db80b | 470 | \r |
6ac15f7c | 471 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
419db80b BF |
472 | //\r |
473 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of \r | |
474 | // string array in string table.\r | |
475 | //\r | |
6cfc7292 | 476 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset); \r |
553e8669 | 477 | VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx); \r |
6ac15f7c | 478 | } else {\r |
479 | VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r | |
419db80b BF |
480 | }\r |
481 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
482 | if (Status == EFI_SUCCESS) {\r | |
553e8669 SZ |
483 | if (DataSize >= (VariableHead->Offset + GetSize)) {\r |
484 | if (GetSize == 0) {\r | |
485 | //\r | |
486 | // It is a pointer type. So get the MaxSize reserved for\r | |
487 | // this PCD entry.\r | |
488 | //\r | |
489 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r | |
490 | if (GetSize > (DataSize - VariableHead->Offset)) {\r | |
491 | //\r | |
492 | // Use actual valid size.\r | |
493 | //\r | |
494 | GetSize = DataSize - VariableHead->Offset;\r | |
495 | }\r | |
496 | }\r | |
0b1ef275 | 497 | //\r |
553e8669 SZ |
498 | // If the operation is successful, we copy the data\r |
499 | // to the default value buffer in the PCD Database.\r | |
500 | // So that we can free the Data allocated in GetHiiVariable.\r | |
0b1ef275 | 501 | //\r |
553e8669 | 502 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r |
6ac15f7c | 503 | }\r |
419db80b | 504 | FreePool (Data);\r |
80408db0 | 505 | }\r |
419db80b | 506 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r |
80408db0 | 507 | break;\r |
508 | \r | |
509 | case PCD_TYPE_STRING:\r | |
6cfc7292 | 510 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + Offset);\r |
1fef733c | 511 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 512 | break;\r |
513 | \r | |
514 | case PCD_TYPE_DATA:\r | |
515 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
516 | break;\r | |
517 | \r | |
518 | default:\r | |
519 | ASSERT (FALSE);\r | |
520 | break;\r | |
521 | \r | |
522 | }\r | |
523 | \r | |
524 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
419db80b | 525 | \r |
80408db0 | 526 | return RetPtr;\r |
419db80b | 527 | \r |
80408db0 | 528 | }\r |
529 | \r | |
2ab6330e | 530 | /**\r |
531 | Register the callback function for a PCD entry.\r | |
532 | \r | |
533 | This routine will register a callback function to a PCD entry by given token number\r | |
534 | and token space guid.\r | |
535 | \r | |
536 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
537 | @param Guid PCD token space's guid, \r | |
538 | if not NULL, this PCD is dynamicEx type PCD.\r | |
539 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 540 | \r |
2ab6330e | 541 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 542 | \r |
2ab6330e | 543 | **/\r |
80408db0 | 544 | EFI_STATUS\r |
545 | DxeRegisterCallBackWorker (\r | |
546 | IN UINTN TokenNumber,\r | |
2ab6330e | 547 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 548 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
549 | )\r | |
550 | {\r | |
551 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
552 | LIST_ENTRY *ListHead;\r | |
553 | LIST_ENTRY *ListNode;\r | |
554 | \r | |
555 | if (Guid != NULL) {\r | |
556 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
557 | }\r | |
558 | \r | |
559 | //\r | |
560 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
561 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 562 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 563 | //\r |
b07a5b68 | 564 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 565 | ListNode = GetFirstNode (ListHead);\r |
566 | \r | |
567 | while (ListNode != ListHead) {\r | |
568 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
569 | \r | |
570 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
571 | //\r | |
572 | // We only allow a Callback function to be register once\r | |
573 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
574 | //\r | |
575 | return EFI_SUCCESS;\r | |
576 | }\r | |
577 | ListNode = GetNextNode (ListHead, ListNode);\r | |
578 | }\r | |
579 | \r | |
580 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
581 | ASSERT (FnTableEntry != NULL);\r | |
582 | \r | |
583 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
584 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
585 | \r | |
586 | return EFI_SUCCESS;\r | |
587 | }\r | |
588 | \r | |
2ab6330e | 589 | /**\r |
590 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 591 | \r |
2ab6330e | 592 | This routine will unregister a callback function to a PCD entry by given token number\r |
593 | and token space guid.\r | |
80408db0 | 594 | \r |
2ab6330e | 595 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
596 | @param Guid PCD token space's guid.\r | |
597 | if not NULL, this PCD is dynamicEx type PCD.\r | |
598 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 599 | \r |
2ab6330e | 600 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
601 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
602 | **/\r | |
80408db0 | 603 | EFI_STATUS\r |
604 | DxeUnRegisterCallBackWorker (\r | |
605 | IN UINTN TokenNumber,\r | |
2ab6330e | 606 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 607 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
608 | )\r | |
609 | {\r | |
610 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
611 | LIST_ENTRY *ListHead;\r | |
612 | LIST_ENTRY *ListNode;\r | |
613 | \r | |
614 | if (Guid != NULL) {\r | |
615 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
616 | }\r | |
617 | \r | |
618 | //\r | |
619 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
620 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 621 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 622 | //\r |
b07a5b68 | 623 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 624 | ListNode = GetFirstNode (ListHead);\r |
625 | \r | |
626 | while (ListNode != ListHead) {\r | |
627 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
628 | \r | |
629 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
630 | //\r | |
631 | // We only allow a Callback function to be register once\r | |
632 | // for a TokenNumber. So we can safely remove the Node from\r | |
633 | // the Link List and return EFI_SUCCESS.\r | |
634 | //\r | |
635 | RemoveEntryList (ListNode);\r | |
636 | FreePool (FnTableEntry);\r | |
637 | \r | |
638 | return EFI_SUCCESS;\r | |
639 | }\r | |
640 | ListNode = GetNextNode (ListHead, ListNode);\r | |
641 | }\r | |
642 | \r | |
643 | return EFI_INVALID_PARAMETER;\r | |
644 | }\r | |
645 | \r | |
2ab6330e | 646 | /**\r |
647 | Get next token number in given token space.\r | |
648 | \r | |
649 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
650 | table to get token space according to given token space guid. Then scan given \r | |
651 | token number in found token space, if found, then return next token number in \r | |
652 | this token space.\r | |
653 | \r | |
654 | @param Guid Token space guid. Next token number will be scaned in \r | |
655 | this token space.\r | |
656 | @param TokenNumber Token number. \r | |
657 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
658 | token space table.\r | |
659 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
660 | in token space table.\r | |
661 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
662 | by given token space guid.\r | |
663 | @param SizeOfGuidTable The size of guid table.\r | |
664 | @param ExMapTable DynamicEx token number mapping table.\r | |
665 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
666 | \r | |
667 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
668 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 669 | \r |
2ab6330e | 670 | **/\r |
80408db0 | 671 | EFI_STATUS\r |
672 | ExGetNextTokeNumber (\r | |
673 | IN CONST EFI_GUID *Guid,\r | |
674 | IN OUT UINTN *TokenNumber,\r | |
675 | IN EFI_GUID *GuidTable,\r | |
676 | IN UINTN SizeOfGuidTable,\r | |
677 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
678 | IN UINTN SizeOfExMapTable\r | |
679 | )\r | |
680 | {\r | |
681 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 682 | UINTN Index;\r |
80408db0 | 683 | UINTN GuidTableIdx;\r |
684 | BOOLEAN Found;\r | |
419db80b | 685 | UINTN ExMapTableCount;\r |
80408db0 | 686 | \r |
2ab6330e | 687 | //\r |
688 | // Scan token space guid \r | |
689 | // \r | |
80408db0 | 690 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
691 | if (MatchGuid == NULL) {\r | |
692 | return EFI_NOT_FOUND;\r | |
693 | }\r | |
694 | \r | |
2ab6330e | 695 | //\r |
696 | // Find the token space table in dynamicEx mapping table.\r | |
697 | //\r | |
80408db0 | 698 | Found = FALSE;\r |
699 | GuidTableIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
700 | ExMapTableCount = SizeOfExMapTable / sizeof(ExMapTable[0]);\r |
701 | for (Index = 0; Index < ExMapTableCount; Index++) {\r | |
2ab6330e | 702 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 703 | Found = TRUE;\r |
704 | break;\r | |
705 | }\r | |
706 | }\r | |
707 | \r | |
708 | if (Found) {\r | |
2ab6330e | 709 | //\r |
710 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
711 | // token number in found token space.\r | |
712 | //\r | |
80408db0 | 713 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 714 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 715 | return EFI_SUCCESS;\r |
716 | }\r | |
717 | \r | |
419db80b | 718 | for ( ; Index < ExMapTableCount; Index++) {\r |
bfb4c2ba | 719 | if ((ExMapTable[Index].ExTokenNumber == *TokenNumber) && (ExMapTable[Index].ExGuidIndex == GuidTableIdx)) {\r |
419db80b BF |
720 | break;\r |
721 | }\r | |
722 | }\r | |
723 | \r | |
724 | while (Index < ExMapTableCount) {\r | |
725 | Index++;\r | |
726 | if (Index == ExMapTableCount) {\r | |
727 | //\r | |
728 | // Exceed the length of ExMap Table\r | |
729 | //\r | |
730 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
731 | return EFI_NOT_FOUND;\r | |
732 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
733 | //\r | |
734 | // Found the next match\r | |
735 | //\r | |
736 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
737 | return EFI_SUCCESS;\r | |
80408db0 | 738 | }\r |
739 | }\r | |
740 | }\r | |
419db80b | 741 | \r |
80408db0 | 742 | return EFI_NOT_FOUND;\r |
743 | }\r | |
80408db0 | 744 | \r |
419db80b BF |
745 | /**\r |
746 | Find the PCD database.\r | |
747 | \r | |
748 | @retval The base address of external PCD database binary.\r | |
749 | @retval NULL Return NULL if not find.\r | |
750 | **/\r | |
751 | DXE_PCD_DATABASE *\r | |
752 | LocateExPcdBinary (\r | |
753 | VOID\r | |
754 | ) \r | |
755 | {\r | |
756 | DXE_PCD_DATABASE *DxePcdDbBinary;\r | |
757 | UINTN DxePcdDbSize;\r | |
758 | EFI_STATUS Status;\r | |
759 | \r | |
760 | DxePcdDbBinary = NULL;\r | |
761 | //\r | |
762 | // Search the External Pcd database from one section of current FFS, \r | |
763 | // and read it to memory\r | |
764 | //\r | |
765 | Status = GetSectionFromFfs (\r | |
766 | EFI_SECTION_RAW,\r | |
767 | 0,\r | |
768 | (VOID **) &DxePcdDbBinary,\r | |
769 | &DxePcdDbSize\r | |
770 | );\r | |
771 | ASSERT_EFI_ERROR (Status);\r | |
772 | \r | |
773 | //\r | |
774 | // Check the first bytes (Header Signature Guid) and build version.\r | |
775 | //\r | |
776 | if (!CompareGuid ((VOID *)DxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r | |
777 | (DxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r | |
778 | ASSERT (FALSE);\r | |
779 | }\r | |
780 | \r | |
781 | return DxePcdDbBinary;\r | |
782 | }\r | |
80408db0 | 783 | \r |
2ab6330e | 784 | /**\r |
785 | Initialize the PCD database in DXE phase.\r | |
786 | \r | |
787 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
788 | from GUID Hob.\r | |
80408db0 | 789 | \r |
2ab6330e | 790 | **/\r |
80408db0 | 791 | VOID\r |
792 | BuildPcdDxeDataBase (\r | |
793 | VOID\r | |
794 | )\r | |
795 | {\r | |
796 | PEI_PCD_DATABASE *PeiDatabase;\r | |
797 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 798 | UINTN Index;\r |
419db80b BF |
799 | UINT32 PcdDxeDbLen;\r |
800 | VOID *PcdDxeDb;\r | |
80408db0 | 801 | \r |
efd6b412 SZ |
802 | //\r |
803 | // Assign PCD Entries with default value to PCD DATABASE\r | |
804 | //\r | |
805 | mPcdDatabase.DxeDb = LocateExPcdBinary ();\r | |
806 | ASSERT(mPcdDatabase.DxeDb != NULL);\r | |
807 | PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r | |
808 | PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r | |
809 | ASSERT (PcdDxeDb != NULL);\r | |
810 | CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r | |
811 | FreePool (mPcdDatabase.DxeDb);\r | |
812 | mPcdDatabase.DxeDb = PcdDxeDb;\r | |
813 | \r | |
80408db0 | 814 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
815 | if (GuidHob != NULL) {\r | |
816 | \r | |
80408db0 | 817 | // \r |
818 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r | |
819 | // should not be included at all. So the GuidHob could\r | |
820 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
821 | // Value to PCD Database.\r | |
822 | //\r | |
823 | \r | |
824 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
825 | //\r | |
419db80b | 826 | // Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r |
80408db0 | 827 | //\r |
419db80b | 828 | mPcdDatabase.PeiDb = PeiDatabase;\r |
efd6b412 SZ |
829 | //\r |
830 | // Inherit the SystemSkuId from PEI phase.\r | |
831 | //\r | |
832 | mPcdDatabase.DxeDb->SystemSkuId = mPcdDatabase.PeiDb->SystemSkuId;\r | |
833 | } else {\r | |
834 | mPcdDatabase.PeiDb = AllocateZeroPool (sizeof (PEI_PCD_DATABASE));\r | |
835 | ASSERT(mPcdDatabase.PeiDb != NULL);\r | |
80408db0 | 836 | }\r |
837 | \r | |
419db80b BF |
838 | //\r |
839 | // Initialized the external PCD database local variables\r | |
840 | //\r | |
841 | mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r | |
842 | mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r | |
843 | \r | |
844 | mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
845 | mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
846 | mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r | |
847 | mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r | |
848 | \r | |
849 | mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r | |
850 | mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r | |
851 | mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount; \r | |
852 | \r | |
853 | mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
854 | mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
855 | mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r | |
856 | \r | |
857 | TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r | |
858 | TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r | |
80408db0 | 859 | \r |
860 | //\r | |
861 | // Initialized the Callback Function Table\r | |
862 | //\r | |
419db80b | 863 | mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r |
3fd8027e | 864 | ASSERT(mCallbackFnTable != NULL);\r |
419db80b BF |
865 | \r |
866 | //\r | |
80408db0 | 867 | // EBC compiler is very choosy. It may report warning about comparison\r |
868 | // between UINTN and 0 . So we add 1 in each size of the \r | |
869 | // comparison.\r | |
419db80b BF |
870 | //\r |
871 | for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r | |
2ab6330e | 872 | InitializeListHead (&mCallbackFnTable[Index]);\r |
80408db0 | 873 | }\r |
80408db0 | 874 | }\r |
875 | \r | |
2ab6330e | 876 | /**\r |
877 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 878 | \r |
2ab6330e | 879 | @param VariableGuid Variable's guid\r |
880 | @param VariableName Variable's unicode name string\r | |
881 | @param VariableData Variable's data pointer, \r | |
882 | @param VariableSize Variable's size.\r | |
80408db0 | 883 | \r |
2ab6330e | 884 | @return the status of gRT->GetVariable\r |
885 | **/\r | |
80408db0 | 886 | EFI_STATUS\r |
887 | GetHiiVariable (\r | |
888 | IN EFI_GUID *VariableGuid,\r | |
889 | IN UINT16 *VariableName,\r | |
890 | OUT UINT8 **VariableData,\r | |
891 | OUT UINTN *VariableSize\r | |
892 | )\r | |
893 | {\r | |
894 | UINTN Size;\r | |
895 | EFI_STATUS Status;\r | |
896 | UINT8 *Buffer;\r | |
897 | \r | |
898 | Size = 0;\r | |
899 | Buffer = NULL;\r | |
900 | \r | |
2ab6330e | 901 | //\r |
902 | // Firstly get the real size of HII variable\r | |
903 | //\r | |
80408db0 | 904 | Status = gRT->GetVariable (\r |
905 | (UINT16 *)VariableName,\r | |
906 | VariableGuid,\r | |
907 | NULL,\r | |
908 | &Size,\r | |
909 | Buffer\r | |
910 | );\r | |
911 | \r | |
2ab6330e | 912 | //\r |
913 | // Allocate buffer to hold whole variable data according to variable size.\r | |
914 | //\r | |
80408db0 | 915 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
916 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
917 | \r | |
918 | ASSERT (Buffer != NULL);\r | |
919 | \r | |
920 | Status = gRT->GetVariable (\r | |
921 | VariableName,\r | |
922 | VariableGuid,\r | |
923 | NULL,\r | |
924 | &Size,\r | |
925 | Buffer\r | |
926 | );\r | |
927 | \r | |
928 | ASSERT (Status == EFI_SUCCESS);\r | |
929 | *VariableData = Buffer;\r | |
930 | *VariableSize = Size;\r | |
0b1ef275 LG |
931 | } else {\r |
932 | //\r | |
933 | // Use Default Data only when variable is not found. \r | |
934 | // For other error status, correct data can't be got, and trig ASSERT().\r | |
935 | //\r | |
936 | ASSERT (Status == EFI_NOT_FOUND);\r | |
80408db0 | 937 | }\r |
938 | \r | |
939 | return Status;\r | |
940 | }\r | |
941 | \r | |
2ab6330e | 942 | /**\r |
943 | Find the local token number according to system SKU ID.\r | |
944 | \r | |
945 | @param LocalTokenNumber PCD token number\r | |
946 | @param Size The size of PCD entry.\r | |
947 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
948 | If False, the PCD entry is initialized in DXE phase.\r | |
949 | \r | |
950 | @return Token number according to system SKU ID.\r | |
80408db0 | 951 | \r |
2ab6330e | 952 | **/\r |
80408db0 | 953 | UINT32\r |
954 | GetSkuEnabledTokenNumber (\r | |
955 | UINT32 LocalTokenNumber,\r | |
956 | UINTN Size,\r | |
957 | BOOLEAN IsPeiDb\r | |
958 | ) \r | |
959 | {\r | |
960 | SKU_HEAD *SkuHead;\r | |
961 | SKU_ID *SkuIdTable;\r | |
b6e89910 | 962 | UINTN Index;\r |
80408db0 | 963 | UINT8 *Value;\r |
80408db0 | 964 | UINT8 *PcdDb;\r |
419db80b | 965 | BOOLEAN FoundSku;\r |
80408db0 | 966 | \r |
967 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
968 | \r | |
419db80b | 969 | PcdDb = IsPeiDb ? (UINT8 *) mPcdDatabase.PeiDb : (UINT8 *) mPcdDatabase.DxeDb;\r |
80408db0 | 970 | \r |
971 | SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
972 | Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r | |
973 | \r | |
419db80b | 974 | SkuIdTable = (SKU_ID *)(PcdDb + SkuHead->SkuIdTableOffset);\r |
2ab6330e | 975 | //\r |
976 | // Find the current system's SKU ID entry in SKU ID table.\r | |
977 | //\r | |
419db80b | 978 | FoundSku = FALSE;\r |
2ab6330e | 979 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 980 | if (mPcdDatabase.DxeDb->SystemSkuId == SkuIdTable[Index + 1]) {\r |
419db80b | 981 | FoundSku = TRUE;\r |
80408db0 | 982 | break;\r |
983 | }\r | |
984 | }\r | |
419db80b BF |
985 | \r |
986 | //\r | |
987 | // Find the default SKU ID entry in SKU ID table.\r | |
988 | //\r | |
989 | \r | |
990 | if(!FoundSku) {\r | |
991 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
992 | if (0 == SkuIdTable[Index + 1]) {\r | |
993 | break;\r | |
994 | }\r | |
995 | }\r | |
996 | }\r | |
2ab6330e | 997 | ASSERT (Index < SkuIdTable[0]);\r |
80408db0 | 998 | \r |
999 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1000 | case PCD_TYPE_VPD:\r | |
2ab6330e | 1001 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r |
80408db0 | 1002 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);\r |
1003 | \r | |
1004 | case PCD_TYPE_HII:\r | |
2ab6330e | 1005 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r |
80408db0 | 1006 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r |
1007 | \r | |
419db80b BF |
1008 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
1009 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r | |
1010 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII | PCD_TYPE_STRING);\r | |
1011 | \r | |
80408db0 | 1012 | case PCD_TYPE_STRING:\r |
2ab6330e | 1013 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r |
80408db0 | 1014 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r |
1015 | \r | |
1016 | case PCD_TYPE_DATA:\r | |
2ab6330e | 1017 | Value += Size * Index;\r |
419db80b | 1018 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_DATA);\r |
80408db0 | 1019 | \r |
1020 | default:\r | |
1021 | ASSERT (FALSE);\r | |
1022 | }\r | |
1023 | \r | |
1024 | ASSERT (FALSE);\r | |
1025 | \r | |
1026 | return 0;\r | |
1027 | \r | |
1028 | }\r | |
1029 | \r | |
2ab6330e | 1030 | /**\r |
1031 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r | |
1032 | has registered callback function.\r | |
80408db0 | 1033 | \r |
2ab6330e | 1034 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
1035 | type PCD.\r | |
1036 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
1037 | PCD.\r | |
1038 | @param TokenNumber PCD token number generated by build tools.\r | |
1039 | @param Data Value want to be set for this PCD entry\r | |
1040 | @param Size The size of value\r | |
80408db0 | 1041 | \r |
2ab6330e | 1042 | **/\r |
80408db0 | 1043 | VOID\r |
1044 | InvokeCallbackOnSet (\r | |
1045 | UINT32 ExTokenNumber,\r | |
1046 | CONST EFI_GUID *Guid, OPTIONAL\r | |
1047 | UINTN TokenNumber,\r | |
1048 | VOID *Data,\r | |
1049 | UINTN Size\r | |
1050 | )\r | |
1051 | {\r | |
1052 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
1053 | LIST_ENTRY *ListHead;\r | |
1054 | LIST_ENTRY *ListNode;\r | |
1055 | \r | |
1056 | //\r | |
1057 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1058 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 1059 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 1060 | //\r |
b07a5b68 | 1061 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 1062 | ListNode = GetFirstNode (ListHead);\r |
1063 | \r | |
1064 | while (ListNode != ListHead) {\r | |
b07a5b68 | 1065 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r |
80408db0 | 1066 | \r |
1067 | FnTableEntry->CallbackFn(Guid, \r | |
1068 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r | |
1069 | Data,\r | |
1070 | Size);\r | |
1071 | \r | |
1072 | ListNode = GetNextNode (ListHead, ListNode);\r | |
1073 | }\r | |
1074 | \r | |
1075 | return;\r | |
1076 | }\r | |
1077 | \r | |
1078 | \r | |
2ab6330e | 1079 | /**\r |
1080 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
1081 | \r | |
1082 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1083 | @param Data Value want to be set for PCD entry\r | |
1084 | @param Size Size of value.\r | |
1085 | \r | |
1086 | @return status of SetWorker.\r | |
1087 | \r | |
1088 | **/\r | |
80408db0 | 1089 | EFI_STATUS\r |
1090 | SetValueWorker (\r | |
1091 | IN UINTN TokenNumber,\r | |
1092 | IN VOID *Data,\r | |
1093 | IN UINTN Size\r | |
1094 | )\r | |
1095 | {\r | |
1096 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
1097 | }\r | |
1098 | \r | |
1099 | \r | |
2ab6330e | 1100 | /**\r |
1101 | Set value for an PCD entry\r | |
1102 | \r | |
1103 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1104 | @param Data Value want to be set for PCD entry\r | |
1105 | @param Size Size of value.\r | |
1106 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
1107 | If False, the type of PCD entry's value is not Pointer.\r | |
1108 | \r | |
1109 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
1110 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
149fb6d6 | 1111 | @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database. \r |
2ab6330e | 1112 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r |
1113 | range of UINT8, UINT16, UINT32, UINT64\r | |
1114 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
1115 | **/\r | |
80408db0 | 1116 | EFI_STATUS\r |
1117 | SetWorker (\r | |
1118 | IN UINTN TokenNumber,\r | |
1119 | IN VOID *Data,\r | |
1120 | IN OUT UINTN *Size,\r | |
1121 | IN BOOLEAN PtrType\r | |
1122 | )\r | |
1123 | {\r | |
80408db0 | 1124 | BOOLEAN IsPeiDb;\r |
1125 | UINT32 LocalTokenNumber;\r | |
1126 | EFI_GUID *GuidTable;\r | |
d0965169 | 1127 | UINT8 *StringTable;\r |
80408db0 | 1128 | EFI_GUID *Guid;\r |
1129 | UINT16 *Name;\r | |
1130 | UINTN VariableOffset;\r | |
23f3e119 | 1131 | UINT32 Attributes;\r |
80408db0 | 1132 | VOID *InternalData;\r |
1133 | VARIABLE_HEAD *VariableHead;\r | |
1134 | UINTN Offset;\r | |
1135 | UINT8 *PcdDb;\r | |
1136 | EFI_STATUS Status;\r | |
1137 | UINTN MaxSize;\r | |
1138 | UINTN TmpTokenNumber;\r | |
1139 | \r | |
80408db0 | 1140 | //\r |
1141 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1142 | // We have to decrement TokenNumber by 1 to make it usable\r | |
1143 | // as the array index.\r | |
1144 | //\r | |
1145 | TokenNumber--;\r | |
1146 | \r | |
1147 | TmpTokenNumber = TokenNumber;\r | |
1148 | \r | |
2ab6330e | 1149 | //\r |
80408db0 | 1150 | // EBC compiler is very choosy. It may report warning about comparison\r |
1151 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1152 | // comparison.\r | |
2ab6330e | 1153 | //\r |
419db80b | 1154 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 1155 | \r |
8ec8bed4 | 1156 | if (PtrType) {\r |
64894410 LG |
1157 | //\r |
1158 | // Get MaxSize first, then check new size with max buffer size.\r | |
1159 | //\r | |
1160 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
1161 | if (*Size > MaxSize) {\r | |
cb40609c | 1162 | *Size = MaxSize;\r |
8ec8bed4 | 1163 | return EFI_INVALID_PARAMETER;\r |
1164 | }\r | |
1165 | } else {\r | |
1166 | if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r | |
1167 | return EFI_INVALID_PARAMETER;\r | |
1168 | }\r | |
80408db0 | 1169 | }\r |
b07a5b68 | 1170 | \r |
2ab6330e | 1171 | //\r |
80408db0 | 1172 | // EBC compiler is very choosy. It may report warning about comparison\r |
1173 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1174 | // comparison.\r | |
2ab6330e | 1175 | //\r |
419db80b BF |
1176 | if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r |
1177 | (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r | |
b07a5b68 | 1178 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
1179 | }\r | |
80408db0 | 1180 | \r |
b07a5b68 | 1181 | //\r |
1182 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1183 | //\r | |
1184 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
80408db0 | 1185 | \r |
2ab6330e | 1186 | //\r |
80408db0 | 1187 | // EBC compiler is very choosy. It may report warning about comparison\r |
1188 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1189 | // comparison.\r | |
2ab6330e | 1190 | //\r |
419db80b | 1191 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
b07a5b68 | 1192 | \r |
96d6d004 | 1193 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 1194 | \r |
1195 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1196 | \r | |
419db80b | 1197 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
80408db0 | 1198 | \r |
309e3122 | 1199 | if (IsPeiDb) {\r |
419db80b | 1200 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 1201 | } else {\r |
419db80b | 1202 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 1203 | }\r |
1204 | \r | |
80408db0 | 1205 | \r |
1206 | InternalData = PcdDb + Offset;\r | |
1207 | \r | |
1208 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1209 | case PCD_TYPE_VPD:\r | |
1210 | ASSERT (FALSE);\r | |
1211 | Status = EFI_INVALID_PARAMETER;\r | |
1212 | break;\r | |
1213 | \r | |
1214 | case PCD_TYPE_STRING:\r | |
1215 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
6cfc7292 | 1216 | CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r |
80408db0 | 1217 | Status = EFI_SUCCESS;\r |
1218 | } else {\r | |
1219 | Status = EFI_INVALID_PARAMETER;\r | |
1220 | }\r | |
1221 | break;\r | |
1222 | \r | |
6ac15f7c | 1223 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 1224 | case PCD_TYPE_HII:\r |
1225 | if (PtrType) {\r | |
1226 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1227 | Status = EFI_INVALID_PARAMETER;\r | |
1228 | break;\r | |
1229 | }\r | |
1230 | }\r | |
419db80b | 1231 | \r |
309e3122 | 1232 | if (IsPeiDb) {\r |
419db80b | 1233 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 1234 | } else {\r |
419db80b | 1235 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 1236 | }\r |
419db80b | 1237 | \r |
80408db0 | 1238 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
419db80b | 1239 | \r |
1fef733c | 1240 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 1241 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r |
80408db0 | 1242 | VariableOffset = VariableHead->Offset;\r |
23f3e119 SZ |
1243 | Attributes = VariableHead->Attributes;\r |
1244 | Status = SetHiiVariable (Guid, Name, Attributes, Data, *Size, VariableOffset);\r | |
80408db0 | 1245 | break;\r |
1246 | \r | |
1247 | case PCD_TYPE_DATA:\r | |
1248 | if (PtrType) {\r | |
1249 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1250 | CopyMem (InternalData, Data, *Size);\r | |
1251 | Status = EFI_SUCCESS;\r | |
1252 | } else {\r | |
1253 | Status = EFI_INVALID_PARAMETER;\r | |
1254 | }\r | |
1255 | break;\r | |
1256 | }\r | |
1257 | \r | |
1258 | Status = EFI_SUCCESS;\r | |
1259 | switch (*Size) {\r | |
1260 | case sizeof(UINT8):\r | |
1261 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
1262 | break;\r | |
1263 | \r | |
1264 | case sizeof(UINT16):\r | |
1265 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
1266 | break;\r | |
1267 | \r | |
1268 | case sizeof(UINT32):\r | |
1269 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
1270 | break;\r | |
1271 | \r | |
1272 | case sizeof(UINT64):\r | |
1273 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
1274 | break;\r | |
1275 | \r | |
1276 | default:\r | |
1277 | ASSERT (FALSE);\r | |
1278 | Status = EFI_NOT_FOUND;\r | |
1279 | break;\r | |
1280 | }\r | |
1281 | break;\r | |
1282 | \r | |
1283 | default:\r | |
1284 | ASSERT (FALSE);\r | |
1285 | Status = EFI_NOT_FOUND;\r | |
1286 | break;\r | |
1287 | }\r | |
1288 | \r | |
1289 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
1290 | \r | |
1291 | return Status;\r | |
1292 | }\r | |
1293 | \r | |
2ab6330e | 1294 | /**\r |
1295 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 1296 | \r |
2ab6330e | 1297 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 1298 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 1299 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 1300 | \r |
2ab6330e | 1301 | @return PCD entry in PCD database.\r |
80408db0 | 1302 | \r |
2ab6330e | 1303 | **/\r |
80408db0 | 1304 | VOID *\r |
1305 | ExGetWorker (\r | |
1306 | IN CONST EFI_GUID *Guid,\r | |
1307 | IN UINTN ExTokenNumber,\r | |
1308 | IN UINTN GetSize\r | |
1309 | ) \r | |
1310 | {\r | |
1311 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
1312 | }\r | |
1313 | \r | |
2ab6330e | 1314 | /**\r |
1315 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 1316 | \r |
2ab6330e | 1317 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
1318 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1319 | @param Data Value want to be set.\r | |
1320 | @param SetSize The size of value.\r | |
80408db0 | 1321 | \r |
2ab6330e | 1322 | @return status of ExSetWorker().\r |
80408db0 | 1323 | \r |
2ab6330e | 1324 | **/\r |
80408db0 | 1325 | EFI_STATUS\r |
1326 | ExSetValueWorker (\r | |
1327 | IN UINTN ExTokenNumber,\r | |
1328 | IN CONST EFI_GUID *Guid,\r | |
1329 | IN VOID *Data,\r | |
1330 | IN UINTN SetSize\r | |
1331 | )\r | |
1332 | {\r | |
1333 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
1334 | }\r | |
1335 | \r | |
2ab6330e | 1336 | /**\r |
419db80b | 1337 | Set value for a dynamic-ex PCD entry.\r |
2ab6330e | 1338 | \r |
1339 | This routine find the local token number according to dynamic-ex PCD's token \r | |
1340 | space guid and token number firstly, and invoke callback function if this PCD\r | |
1341 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
1342 | PCD value.\r | |
1343 | \r | |
1344 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
1345 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1346 | @param Data PCD value want to be set\r | |
1347 | @param SetSize Size of value.\r | |
1348 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
1349 | If FALSE, this PCD entry is not pointer type.\r | |
1350 | \r | |
1351 | @return status of SetWorker().\r | |
80408db0 | 1352 | \r |
2ab6330e | 1353 | **/\r |
80408db0 | 1354 | EFI_STATUS\r |
1355 | ExSetWorker (\r | |
1356 | IN UINTN ExTokenNumber,\r | |
1357 | IN CONST EFI_GUID *Guid,\r | |
1358 | IN VOID *Data,\r | |
1359 | IN OUT UINTN *SetSize,\r | |
1360 | IN BOOLEAN PtrType\r | |
1361 | )\r | |
1362 | {\r | |
1363 | UINTN TokenNumber;\r | |
1364 | \r | |
1365 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r | |
1366 | \r | |
1367 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
1368 | \r | |
1369 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
1370 | \r | |
1371 | }\r | |
1372 | \r | |
c73cf875 SZ |
1373 | /**\r |
1374 | Get variable size and data from HII-type PCDs.\r | |
1375 | \r | |
1376 | @param[in] VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1377 | @param[in] VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
1378 | @param[out] VariableSize Pointer to variable size got from HII-type PCDs.\r | |
1379 | @param[out] VariableData Pointer to variable data got from HII-type PCDs.\r | |
1380 | \r | |
1381 | **/\r | |
1382 | VOID\r | |
1383 | GetVariableSizeAndDataFromHiiPcd (\r | |
1384 | IN EFI_GUID *VariableGuid,\r | |
1385 | IN UINT16 *VariableName,\r | |
1386 | OUT UINTN *VariableSize,\r | |
1387 | OUT VOID *VariableData OPTIONAL\r | |
1388 | )\r | |
1389 | {\r | |
1390 | BOOLEAN IsPeiDb;\r | |
1391 | PCD_DATABASE_INIT *Database;\r | |
1392 | UINTN TokenNumber;\r | |
1393 | UINT32 LocalTokenNumber;\r | |
1394 | UINTN Offset;\r | |
1395 | EFI_GUID *GuidTable;\r | |
1396 | UINT8 *StringTable;\r | |
1397 | VARIABLE_HEAD *VariableHead;\r | |
1398 | EFI_GUID *Guid;\r | |
1399 | UINT16 *Name;\r | |
1400 | UINTN PcdDataSize;\r | |
1401 | UINTN Size;\r | |
1402 | UINT8 *VaraiableDefaultBuffer;\r | |
1403 | STRING_HEAD StringTableIdx;\r | |
1404 | \r | |
1405 | *VariableSize = 0;\r | |
1406 | \r | |
1407 | //\r | |
1408 | // Go through PCD database to find out DynamicHii PCDs.\r | |
1409 | //\r | |
1410 | for (TokenNumber = 1; TokenNumber <= mPcdTotalTokenCount; TokenNumber++) {\r | |
1411 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r | |
1412 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
1413 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r | |
1414 | if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r | |
1415 | //\r | |
1416 | // Get the Variable Guid and Name pointer.\r | |
1417 | //\r | |
1418 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1419 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r | |
1420 | StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r | |
1421 | GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r | |
1422 | Guid = GuidTable + VariableHead->GuidTableIndex;\r | |
1423 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r | |
1424 | if (CompareGuid (VariableGuid, Guid) && (StrCmp (VariableName, Name) == 0)) {\r | |
1425 | //\r | |
1426 | // It is the matched DynamicHii PCD.\r | |
1427 | //\r | |
1428 | PcdDataSize = DxePcdGetSize (TokenNumber);\r | |
1429 | Size = VariableHead->Offset + PcdDataSize;\r | |
1430 | if (Size > *VariableSize) {\r | |
1431 | *VariableSize = Size;\r | |
1432 | }\r | |
1433 | if (VariableData != NULL) {\r | |
1434 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r | |
1435 | //\r | |
1436 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of\r | |
1437 | // string array in string table.\r | |
1438 | //\r | |
1439 | StringTableIdx = *(STRING_HEAD *) ((UINT8 *) Database + VariableHead->DefaultValueOffset);\r | |
1440 | VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx);\r | |
1441 | } else {\r | |
1442 | VaraiableDefaultBuffer = (UINT8 *) Database + VariableHead->DefaultValueOffset;\r | |
1443 | }\r | |
1444 | CopyMem ((UINT8 *) VariableData + VariableHead->Offset, VaraiableDefaultBuffer, PcdDataSize);\r | |
1445 | }\r | |
1446 | }\r | |
1447 | }\r | |
1448 | }\r | |
1449 | }\r | |
1450 | \r | |
2ab6330e | 1451 | /**\r |
1452 | Set value for HII-type PCD.\r | |
80408db0 | 1453 | \r |
2ab6330e | 1454 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r |
1455 | HII-type PCD is to visit this variable.\r | |
1456 | \r | |
1457 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1458 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
23f3e119 | 1459 | @param SetAttributes Attributes bitmask to set for the variable.\r |
2ab6330e | 1460 | @param Data Value want to be set.\r |
1461 | @param DataSize Size of value\r | |
1462 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 1463 | \r |
2ab6330e | 1464 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 1465 | \r |
2ab6330e | 1466 | **/\r |
80408db0 | 1467 | EFI_STATUS\r |
1468 | SetHiiVariable (\r | |
1469 | IN EFI_GUID *VariableGuid,\r | |
1470 | IN UINT16 *VariableName,\r | |
23f3e119 | 1471 | IN UINT32 SetAttributes,\r |
80408db0 | 1472 | IN CONST VOID *Data,\r |
1473 | IN UINTN DataSize,\r | |
1474 | IN UINTN Offset\r | |
1475 | )\r | |
1476 | {\r | |
1477 | UINTN Size;\r | |
1478 | VOID *Buffer;\r | |
1479 | EFI_STATUS Status;\r | |
1480 | UINT32 Attribute;\r | |
b13151ff | 1481 | UINTN SetSize;\r |
80408db0 | 1482 | \r |
1483 | Size = 0;\r | |
b13151ff | 1484 | SetSize = 0;\r |
80408db0 | 1485 | \r |
746be876 | 1486 | //\r |
1487 | // Try to get original variable size information.\r | |
1488 | //\r | |
80408db0 | 1489 | Status = gRT->GetVariable (\r |
1490 | (UINT16 *)VariableName,\r | |
1491 | VariableGuid,\r | |
1492 | NULL,\r | |
1493 | &Size,\r | |
1494 | NULL\r | |
1495 | );\r | |
b13151ff | 1496 | \r |
80408db0 | 1497 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
746be876 | 1498 | //\r |
1499 | // Patch new PCD's value to offset in given HII variable.\r | |
1500 | //\r | |
23f3e119 | 1501 | if (Size >= (DataSize + Offset)) {\r |
b13151ff LG |
1502 | SetSize = Size;\r |
1503 | } else {\r | |
1504 | SetSize = DataSize + Offset;\r | |
1505 | }\r | |
1506 | Buffer = AllocatePool (SetSize);\r | |
80408db0 | 1507 | ASSERT (Buffer != NULL);\r |
1508 | \r | |
1509 | Status = gRT->GetVariable (\r | |
1510 | VariableName,\r | |
1511 | VariableGuid,\r | |
1512 | &Attribute,\r | |
1513 | &Size,\r | |
1514 | Buffer\r | |
1515 | );\r | |
1516 | \r | |
1517 | ASSERT_EFI_ERROR (Status);\r | |
1518 | \r | |
1519 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1520 | \r | |
23f3e119 SZ |
1521 | if (SetAttributes == 0) {\r |
1522 | SetAttributes = Attribute;\r | |
1523 | }\r | |
1524 | \r | |
80408db0 | 1525 | Status = gRT->SetVariable (\r |
1526 | VariableName,\r | |
1527 | VariableGuid,\r | |
23f3e119 | 1528 | SetAttributes,\r |
b13151ff | 1529 | SetSize,\r |
80408db0 | 1530 | Buffer\r |
1531 | );\r | |
1532 | \r | |
1533 | FreePool (Buffer);\r | |
1534 | return Status;\r | |
746be876 | 1535 | } else if (Status == EFI_NOT_FOUND) {\r |
1536 | //\r | |
1537 | // If variable does not exist, a new variable need to be created.\r | |
1538 | //\r | |
c73cf875 SZ |
1539 | \r |
1540 | //\r | |
1541 | // Get size, allocate buffer and get data.\r | |
1542 | //\r | |
1543 | GetVariableSizeAndDataFromHiiPcd (VariableGuid, VariableName, &Size, NULL);\r | |
746be876 | 1544 | Buffer = AllocateZeroPool (Size);\r |
1545 | ASSERT (Buffer != NULL);\r | |
c73cf875 SZ |
1546 | GetVariableSizeAndDataFromHiiPcd (VariableGuid, VariableName, &Size, Buffer);\r |
1547 | \r | |
1548 | //\r | |
1549 | // Update buffer.\r | |
1550 | //\r | |
746be876 | 1551 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r |
23f3e119 SZ |
1552 | \r |
1553 | if (SetAttributes == 0) {\r | |
1554 | SetAttributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;\r | |
1555 | }\r | |
1556 | \r | |
746be876 | 1557 | Status = gRT->SetVariable (\r |
1558 | VariableName,\r | |
1559 | VariableGuid,\r | |
23f3e119 | 1560 | SetAttributes,\r |
746be876 | 1561 | Size,\r |
1562 | Buffer\r | |
1563 | );\r | |
1564 | \r | |
1565 | FreePool (Buffer);\r | |
1566 | return Status; \r | |
1567 | }\r | |
80408db0 | 1568 | \r |
1569 | //\r | |
23f3e119 | 1570 | // If we drop to here, the value is failed to be written in to variable area.\r |
80408db0 | 1571 | //\r |
1572 | return Status;\r | |
1573 | }\r | |
1574 | \r | |
2ab6330e | 1575 | /**\r |
419db80b | 1576 | Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r |
80408db0 | 1577 | \r |
2ab6330e | 1578 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1579 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
419db80b | 1580 | space guid: token number} to Token Number.\r |
2ab6330e | 1581 | \r |
1582 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
b9982883 | 1583 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1584 | \r |
419db80b | 1585 | @return Token Number for dynamic-ex PCD.\r |
80408db0 | 1586 | \r |
2ab6330e | 1587 | **/\r |
80408db0 | 1588 | UINTN \r |
1589 | GetExPcdTokenNumber (\r | |
1590 | IN CONST EFI_GUID *Guid,\r | |
1591 | IN UINT32 ExTokenNumber\r | |
1592 | )\r | |
1593 | {\r | |
2ab6330e | 1594 | UINT32 Index;\r |
80408db0 | 1595 | DYNAMICEX_MAPPING *ExMap;\r |
1596 | EFI_GUID *GuidTable;\r | |
1597 | EFI_GUID *MatchGuid;\r | |
1598 | UINTN MatchGuidIdx;\r | |
1599 | \r | |
419db80b BF |
1600 | if (!mPeiDatabaseEmpty) {\r |
1601 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r | |
1602 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r | |
1603 | \r | |
1604 | MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r | |
1605 | \r | |
80408db0 | 1606 | if (MatchGuid != NULL) {\r |
1607 | \r | |
1608 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1609 | \r |
8cc87d32 | 1610 | for (Index = 0; Index < mPcdDatabase.PeiDb->ExTokenCount; Index++) {\r |
2ab6330e | 1611 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1612 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1613 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1614 | }\r |
1615 | }\r | |
1616 | }\r | |
1617 | }\r | |
80408db0 | 1618 | \r |
419db80b BF |
1619 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r |
1620 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r | |
1621 | \r | |
1622 | MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r | |
80408db0 | 1623 | //\r |
1624 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1625 | // error in the BUILD system.\r | |
1626 | //\r | |
1627 | ASSERT (MatchGuid != NULL);\r | |
1628 | \r | |
1629 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1630 | \r |
8cc87d32 | 1631 | for (Index = 0; Index < mPcdDatabase.DxeDb->ExTokenCount; Index++) {\r |
2ab6330e | 1632 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1633 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1634 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1635 | }\r |
1636 | }\r | |
1637 | \r | |
1638 | ASSERT (FALSE);\r | |
1639 | \r | |
1640 | return 0;\r | |
1641 | }\r | |
1642 | \r | |
2ab6330e | 1643 | /**\r |
3fd8027e | 1644 | Get SKU ID table from PCD database.\r |
2ab6330e | 1645 | \r |
1646 | @param LocalTokenNumberTableIdx Index of local token number in token number table.\r | |
419db80b BF |
1647 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1648 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
2ab6330e | 1649 | @return Pointer to SKU ID array table\r |
1650 | \r | |
1651 | **/\r | |
80408db0 | 1652 | SKU_ID *\r |
1653 | GetSkuIdArray (\r | |
1654 | IN UINTN LocalTokenNumberTableIdx,\r | |
419db80b | 1655 | IN BOOLEAN IsPeiDb\r |
80408db0 | 1656 | )\r |
1657 | {\r | |
1658 | SKU_HEAD *SkuHead;\r | |
1659 | UINTN LocalTokenNumber;\r | |
1660 | UINT8 *Database;\r | |
1661 | \r | |
419db80b BF |
1662 | if (IsPeiDb) {\r |
1663 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r | |
1664 | Database = (UINT8 *) mPcdDatabase.PeiDb;\r | |
80408db0 | 1665 | } else {\r |
419db80b BF |
1666 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
1667 | Database = (UINT8 *) mPcdDatabase.DxeDb;\r | |
80408db0 | 1668 | }\r |
1669 | \r | |
1670 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
1671 | \r | |
1672 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
1673 | \r | |
1674 | return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);\r | |
1675 | \r | |
1676 | }\r | |
1677 | \r | |
2ab6330e | 1678 | /**\r |
3d53ba8b | 1679 | Wrapper function of getting index of PCD entry in size table.\r |
1680 | \r | |
2ab6330e | 1681 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1682 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1683 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1684 | \r | |
1685 | @return index of PCD entry in size table.\r | |
2ab6330e | 1686 | **/\r |
80408db0 | 1687 | UINTN\r |
3d53ba8b | 1688 | GetSizeTableIndex (\r |
1689 | IN UINTN LocalTokenNumberTableIdx,\r | |
1690 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1691 | )\r |
1692 | {\r | |
3d53ba8b | 1693 | UINT32 *LocalTokenNumberTable;\r |
1694 | UINTN LocalTokenNumber;\r | |
1695 | UINTN Index;\r | |
1696 | UINTN SizeTableIdx;\r | |
1697 | SKU_ID *SkuIdTable;\r | |
80408db0 | 1698 | \r |
3d53ba8b | 1699 | if (IsPeiDb) {\r |
419db80b | 1700 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1701 | } else {\r |
419db80b | 1702 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1703 | }\r |
1704 | \r | |
80408db0 | 1705 | SizeTableIdx = 0;\r |
1706 | \r | |
3d53ba8b | 1707 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1708 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1709 | \r |
1710 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1711 | //\r | |
1712 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1713 | // PCD entry.\r | |
1714 | //\r | |
2ab6330e | 1715 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1716 | //\r |
419db80b | 1717 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1718 | // 1) MAX Size.\r |
419db80b BF |
1719 | // 2) Current Size\r |
1720 | // Current size is equal to MAX size.\r | |
80408db0 | 1721 | //\r |
419db80b | 1722 | SizeTableIdx += 2;\r |
80408db0 | 1723 | } else {\r |
1724 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1725 | //\r | |
1726 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1727 | // 1) MAX SIZE\r | |
1728 | // 2) Current Size\r | |
1729 | //\r | |
1730 | SizeTableIdx += 2;\r | |
1731 | } else {\r | |
1732 | //\r | |
1733 | // We have these entry for SKU enabled PCD entry\r | |
1734 | // 1) MAX SIZE\r | |
1735 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1736 | //\r | |
2ab6330e | 1737 | SkuIdTable = GetSkuIdArray (Index, IsPeiDb);\r |
80408db0 | 1738 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r |
1739 | }\r | |
1740 | }\r | |
1741 | }\r | |
1742 | \r | |
1743 | }\r | |
1744 | \r | |
3d53ba8b | 1745 | return SizeTableIdx; \r |
80408db0 | 1746 | }\r |
1747 | \r | |
2ab6330e | 1748 | /**\r |
1749 | Get size of POINTER type PCD value.\r | |
1750 | \r | |
1751 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1752 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1753 | \r |
2ab6330e | 1754 | @return size of POINTER type PCD value.\r |
80408db0 | 1755 | \r |
2ab6330e | 1756 | **/\r |
80408db0 | 1757 | UINTN\r |
1758 | GetPtrTypeSize (\r | |
1759 | IN UINTN LocalTokenNumberTableIdx,\r | |
1760 | OUT UINTN *MaxSize\r | |
1761 | )\r | |
1762 | {\r | |
1763 | INTN SizeTableIdx;\r | |
1764 | UINTN LocalTokenNumber;\r | |
1765 | SKU_ID *SkuIdTable;\r | |
1766 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1767 | UINTN Index;\r |
80408db0 | 1768 | BOOLEAN IsPeiDb;\r |
1769 | UINT32 *LocalTokenNumberTable;\r | |
1770 | \r | |
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 | |
419db80b | 1774 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1775 | \r |
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 |
419db80b | 1799 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1800 | // 1) MAX Size.\r |
419db80b | 1801 | // 2) Current Size\r |
80408db0 | 1802 | // We consider current size is equal to MAX size.\r |
1803 | //\r | |
1804 | return *MaxSize;\r | |
1805 | } else {\r | |
1806 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1807 | //\r | |
1808 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1809 | // 1) MAX SIZE\r | |
1810 | // 2) Current Size\r | |
1811 | //\r | |
1812 | return SizeTable[SizeTableIdx + 1];\r | |
1813 | } else {\r | |
1814 | //\r | |
1815 | // We have these entry for SKU enabled PCD entry\r | |
1816 | // 1) MAX SIZE\r | |
1817 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1818 | //\r | |
1819 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1820 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1821 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1822 | return SizeTable[SizeTableIdx + 1 + Index];\r |
80408db0 | 1823 | }\r |
1824 | }\r | |
1825 | return SizeTable[SizeTableIdx + 1];\r | |
1826 | }\r | |
1827 | }\r | |
1828 | }\r | |
1829 | \r | |
2ab6330e | 1830 | /**\r |
3fd8027e | 1831 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1832 | of this PCD value.\r |
80408db0 | 1833 | \r |
2ab6330e | 1834 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1835 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1836 | \r |
2ab6330e | 1837 | @retval TRUE Success to set size of PCD value.\r |
1838 | @retval FALSE Fail to set size of PCD value.\r | |
1839 | **/\r | |
80408db0 | 1840 | BOOLEAN\r |
1841 | SetPtrTypeSize (\r | |
1842 | IN UINTN LocalTokenNumberTableIdx,\r | |
1843 | IN OUT UINTN *CurrentSize\r | |
1844 | )\r | |
1845 | {\r | |
1846 | INTN SizeTableIdx;\r | |
1847 | UINTN LocalTokenNumber;\r | |
1848 | SKU_ID *SkuIdTable;\r | |
1849 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1850 | UINTN Index;\r |
80408db0 | 1851 | UINTN MaxSize;\r |
1852 | BOOLEAN IsPeiDb;\r | |
1853 | UINT32 *LocalTokenNumberTable;\r | |
1854 | \r | |
2ab6330e | 1855 | //\r |
80408db0 | 1856 | // EBC compiler is very choosy. It may report warning about comparison\r |
1857 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1858 | // comparison.\r | |
2ab6330e | 1859 | //\r |
419db80b | 1860 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1861 | \r |
1862 | if (IsPeiDb) {\r | |
419db80b BF |
1863 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1864 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1865 | } else {\r |
419db80b BF |
1866 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1867 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1868 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1869 | }\r |
1870 | \r | |
1871 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1872 | \r | |
1873 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1874 | \r | |
1875 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1876 | \r | |
1877 | MaxSize = SizeTable[SizeTableIdx];\r | |
1878 | //\r | |
1879 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1880 | // PCD entry.\r | |
1881 | //\r | |
2ab6330e | 1882 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1883 | //\r |
1884 | // We shouldn't come here as we don't support SET for VPD\r | |
1885 | //\r | |
1886 | ASSERT (FALSE);\r | |
1887 | return FALSE;\r | |
1888 | } else {\r | |
1889 | if ((*CurrentSize > MaxSize) ||\r | |
1890 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1891 | *CurrentSize = MaxSize;\r | |
1892 | return FALSE;\r | |
1893 | } \r | |
1894 | \r | |
1895 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1896 | //\r | |
1897 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1898 | // 1) MAX SIZE\r | |
1899 | // 2) Current Size\r | |
1900 | //\r | |
1901 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1902 | return TRUE;\r | |
1903 | } else {\r | |
1904 | //\r | |
1905 | // We have these entry for SKU enabled PCD entry\r | |
1906 | // 1) MAX SIZE\r | |
1907 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1908 | //\r | |
1909 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1910 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1911 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1912 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r |
80408db0 | 1913 | return TRUE;\r |
1914 | }\r | |
1915 | }\r | |
1916 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1917 | return TRUE;\r | |
1918 | }\r | |
1919 | }\r | |
1920 | }\r | |
23f3e119 SZ |
1921 | \r |
1922 | /**\r | |
1923 | VariableLock DynamicHiiPcd.\r | |
1924 | \r | |
1925 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
1926 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1927 | @param[in] VariableLock Pointer to VariableLockProtocol.\r | |
1928 | \r | |
1929 | **/\r | |
1930 | VOID\r | |
1931 | VariableLockDynamicHiiPcd (\r | |
1932 | IN BOOLEAN IsPeiDb,\r | |
1933 | IN EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock\r | |
1934 | )\r | |
1935 | {\r | |
1936 | EFI_STATUS Status;\r | |
1937 | PCD_DATABASE_INIT *Database;\r | |
1938 | UINT32 LocalTokenCount; \r | |
1939 | UINTN TokenNumber;\r | |
1940 | UINT32 LocalTokenNumber;\r | |
1941 | UINTN Offset;\r | |
1942 | EFI_GUID *GuidTable;\r | |
1943 | UINT8 *StringTable;\r | |
1944 | VARIABLE_HEAD *VariableHead;\r | |
1945 | EFI_GUID *Guid;\r | |
1946 | UINT16 *Name;\r | |
1947 | \r | |
1948 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
1949 | LocalTokenCount = IsPeiDb ? mPeiLocalTokenCount: mDxeLocalTokenCount;\r | |
1950 | \r | |
1951 | //\r | |
1952 | // Go through PCD database to find out DynamicHii PCDs.\r | |
1953 | //\r | |
a856128a | 1954 | for (TokenNumber = 1; TokenNumber <= LocalTokenCount; TokenNumber++) {\r |
23f3e119 SZ |
1955 | if (IsPeiDb) {\r |
1956 | LocalTokenNumber = GetLocalTokenNumber (TRUE, TokenNumber);\r | |
1957 | } else {\r | |
1958 | LocalTokenNumber = GetLocalTokenNumber (FALSE, TokenNumber + mPeiLocalTokenCount);\r | |
1959 | }\r | |
1960 | if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r | |
1961 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1962 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r | |
1963 | //\r | |
1964 | // Why not to set property by VarCheckProtocol with Attributes and Property directly here?\r | |
1965 | // It is because that set property by VarCheckProtocol will indicate the variable to\r | |
1966 | // be a system variable, but the unknown max size of the variable is dangerous to\r | |
1967 | // the system variable region.\r | |
1968 | //\r | |
1969 | if ((VariableHead->Property & VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY) != 0) {\r | |
1970 | //\r | |
1971 | // DynamicHii PCD with RO property set in *.dsc.\r | |
1972 | //\r | |
1973 | StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r | |
1974 | GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r | |
1975 | Guid = GuidTable + VariableHead->GuidTableIndex;\r | |
1976 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r | |
1977 | Status = VariableLock->RequestToLock (VariableLock, Name, Guid);\r | |
1978 | ASSERT_EFI_ERROR (Status);\r | |
1979 | }\r | |
1980 | }\r | |
1981 | }\r | |
1982 | }\r | |
1983 | \r | |
1984 | /**\r | |
1985 | VariableLockProtocol callback\r | |
1986 | to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r | |
1987 | \r | |
1988 | @param[in] Event Event whose notification function is being invoked.\r | |
1989 | @param[in] Context Pointer to the notification function's context.\r | |
1990 | \r | |
1991 | **/\r | |
1992 | VOID\r | |
1993 | EFIAPI\r | |
1994 | VariableLockCallBack (\r | |
1995 | IN EFI_EVENT Event,\r | |
1996 | IN VOID *Context\r | |
1997 | )\r | |
1998 | {\r | |
1999 | EFI_STATUS Status;\r | |
2000 | EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;\r | |
2001 | \r | |
2002 | Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);\r | |
2003 | if (!EFI_ERROR (Status)) {\r | |
2004 | VariableLockDynamicHiiPcd (TRUE, VariableLock);\r | |
2005 | VariableLockDynamicHiiPcd (FALSE, VariableLock);\r | |
2006 | }\r | |
2007 | }\r | |
2008 | \r |