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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 |
d1102dba | 5 | Copyright (c) 2006 - 2018, 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 | |
d1102dba LG |
22 | UINT32 mPcdTotalTokenCount;\r |
23 | UINT32 mPeiLocalTokenCount;\r | |
24 | UINT32 mDxeLocalTokenCount;\r | |
25 | UINT32 mPeiNexTokenCount;\r | |
26 | UINT32 mDxeNexTokenCount;\r | |
419db80b BF |
27 | UINT32 mPeiExMapppingTableSize;\r |
28 | UINT32 mDxeExMapppingTableSize;\r | |
29 | UINT32 mPeiGuidTableSize;\r | |
30 | UINT32 mDxeGuidTableSize;\r | |
31 | \r | |
d1102dba LG |
32 | BOOLEAN mPeiExMapTableEmpty;\r |
33 | BOOLEAN mDxeExMapTableEmpty;\r | |
419db80b | 34 | BOOLEAN mPeiDatabaseEmpty;\r |
80408db0 | 35 | \r |
b07a5b68 | 36 | LIST_ENTRY *mCallbackFnTable;\r |
419db80b | 37 | EFI_GUID **TmpTokenSpaceBuffer;\r |
d1102dba | 38 | UINTN TmpTokenSpaceBufferCount;\r |
419db80b | 39 | \r |
7c736265 LG |
40 | UINTN mPeiPcdDbSize = 0;\r |
41 | PEI_PCD_DATABASE *mPeiPcdDbBinary = NULL;\r | |
42 | UINTN mDxePcdDbSize = 0;\r | |
43 | DXE_PCD_DATABASE *mDxePcdDbBinary = NULL;\r | |
44 | \r | |
96d6d004 SZ |
45 | /**\r |
46 | Get Local Token Number by Token Number.\r | |
47 | \r | |
48 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
49 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
50 | @param[in] TokenNumber The PCD token number.\r | |
51 | \r | |
52 | @return Local Token Number.\r | |
53 | **/\r | |
54 | UINT32\r | |
55 | GetLocalTokenNumber (\r | |
56 | IN BOOLEAN IsPeiDb,\r | |
57 | IN UINTN TokenNumber\r | |
58 | )\r | |
59 | {\r | |
60 | UINT32 *LocalTokenNumberTable;\r | |
96d6d004 SZ |
61 | \r |
62 | //\r | |
63 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
64 | // We have to decrement TokenNumber by 1 to make it usable\r | |
65 | // as the array index.\r | |
66 | //\r | |
67 | TokenNumber--;\r | |
68 | \r | |
d1102dba | 69 | LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) :\r |
96d6d004 SZ |
70 | (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
71 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
72 | \r | |
7c736265 | 73 | return LocalTokenNumberTable[TokenNumber];\r |
96d6d004 SZ |
74 | }\r |
75 | \r | |
76 | /**\r | |
77 | Get PCD type by Local Token Number.\r | |
78 | \r | |
79 | @param[in] LocalTokenNumber The PCD local token number.\r | |
80 | \r | |
81 | @return PCD type.\r | |
82 | **/\r | |
83 | EFI_PCD_TYPE\r | |
84 | GetPcdType (\r | |
85 | IN UINT32 LocalTokenNumber\r | |
86 | )\r | |
87 | {\r | |
88 | switch (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) {\r | |
89 | case PCD_DATUM_TYPE_POINTER:\r | |
90 | return EFI_PCD_TYPE_PTR;\r | |
91 | case PCD_DATUM_TYPE_UINT8:\r | |
b5bd21b0 | 92 | if ((LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) == PCD_DATUM_TYPE_UINT8_BOOLEAN) {\r |
96d6d004 SZ |
93 | return EFI_PCD_TYPE_BOOL;\r |
94 | } else {\r | |
95 | return EFI_PCD_TYPE_8;\r | |
96 | }\r | |
97 | case PCD_DATUM_TYPE_UINT16:\r | |
98 | return EFI_PCD_TYPE_16;\r | |
99 | case PCD_DATUM_TYPE_UINT32:\r | |
100 | return EFI_PCD_TYPE_32;\r | |
101 | case PCD_DATUM_TYPE_UINT64:\r | |
102 | return EFI_PCD_TYPE_64;\r | |
103 | default:\r | |
104 | ASSERT (FALSE);\r | |
105 | return EFI_PCD_TYPE_8;\r | |
106 | }\r | |
107 | }\r | |
108 | \r | |
109 | /**\r | |
110 | Get PCD name.\r | |
111 | \r | |
112 | @param[in] OnlyTokenSpaceName If TRUE, only need to get the TokenSpaceCName.\r | |
113 | If FALSE, need to get the full PCD name.\r | |
114 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
115 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
116 | @param[in] TokenNumber The PCD token number.\r | |
117 | \r | |
118 | @return The TokenSpaceCName or full PCD name.\r | |
119 | **/\r | |
120 | CHAR8 *\r | |
121 | GetPcdName (\r | |
122 | IN BOOLEAN OnlyTokenSpaceName,\r | |
123 | IN BOOLEAN IsPeiDb,\r | |
124 | IN UINTN TokenNumber\r | |
125 | )\r | |
126 | {\r | |
127 | PCD_DATABASE_INIT *Database;\r | |
128 | UINT8 *StringTable;\r | |
e85e284e | 129 | UINTN NameSize;\r |
96d6d004 SZ |
130 | PCD_NAME_INDEX *PcdNameIndex;\r |
131 | CHAR8 *TokenSpaceName;\r | |
132 | CHAR8 *PcdName;\r | |
133 | CHAR8 *Name;\r | |
134 | \r | |
85d0b97d | 135 | //\r |
d1102dba | 136 | // Return NULL when PCD name table is absent.\r |
85d0b97d SZ |
137 | //\r |
138 | if (IsPeiDb) {\r | |
139 | if (mPcdDatabase.PeiDb->PcdNameTableOffset == 0) {\r | |
140 | return NULL;\r | |
141 | }\r | |
142 | } else {\r | |
143 | if (mPcdDatabase.DxeDb->PcdNameTableOffset == 0) {\r | |
144 | return NULL;\r | |
145 | }\r | |
146 | }\r | |
147 | \r | |
96d6d004 SZ |
148 | //\r |
149 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
150 | // We have to decrement TokenNumber by 1 to make it usable\r | |
151 | // as the array index.\r | |
152 | //\r | |
153 | TokenNumber--;\r | |
154 | \r | |
155 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
156 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
157 | \r | |
158 | StringTable = (UINT8 *) Database + Database->StringTableOffset;\r | |
159 | \r | |
160 | //\r | |
161 | // Get the PCD name index.\r | |
162 | //\r | |
163 | PcdNameIndex = (PCD_NAME_INDEX *)((UINT8 *) Database + Database->PcdNameTableOffset) + TokenNumber;\r | |
164 | TokenSpaceName = (CHAR8 *)&StringTable[PcdNameIndex->TokenSpaceCNameIndex];\r | |
165 | PcdName = (CHAR8 *)&StringTable[PcdNameIndex->PcdCNameIndex];\r | |
166 | \r | |
167 | if (OnlyTokenSpaceName) {\r | |
168 | //\r | |
169 | // Only need to get the TokenSpaceCName.\r | |
170 | //\r | |
171 | Name = AllocateCopyPool (AsciiStrSize (TokenSpaceName), TokenSpaceName);\r | |
172 | } else {\r | |
173 | //\r | |
174 | // Need to get the full PCD name.\r | |
175 | //\r | |
e85e284e QS |
176 | NameSize = AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName);\r |
177 | Name = AllocateZeroPool (NameSize);\r | |
f47fc1cb | 178 | ASSERT (Name != NULL);\r |
96d6d004 SZ |
179 | //\r |
180 | // Catenate TokenSpaceCName and PcdCName with a '.' to form the full PCD name.\r | |
181 | //\r | |
e85e284e | 182 | AsciiStrCatS (Name, NameSize, TokenSpaceName);\r |
96d6d004 | 183 | Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.';\r |
d1102dba | 184 | AsciiStrCatS (Name, NameSize, PcdName);\r |
96d6d004 SZ |
185 | }\r |
186 | \r | |
187 | return Name;\r | |
188 | }\r | |
189 | \r | |
190 | /**\r | |
191 | Retrieve additional information associated with a PCD token.\r | |
192 | \r | |
193 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
194 | human readable name that is associated with the token.\r | |
195 | \r | |
196 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
197 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
198 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
199 | @param[in] TokenNumber The PCD token number.\r | |
200 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
d1102dba | 201 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r |
96d6d004 SZ |
202 | \r |
203 | @retval EFI_SUCCESS The PCD information was returned successfully\r | |
204 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
205 | **/\r | |
206 | EFI_STATUS\r | |
207 | ExGetPcdInfo (\r | |
208 | IN BOOLEAN IsPeiDb,\r | |
209 | IN CONST EFI_GUID *Guid,\r | |
210 | IN UINTN TokenNumber,\r | |
211 | OUT EFI_PCD_INFO *PcdInfo\r | |
212 | )\r | |
213 | {\r | |
214 | PCD_DATABASE_INIT *Database;\r | |
215 | UINTN GuidTableIdx;\r | |
216 | EFI_GUID *MatchGuid;\r | |
217 | EFI_GUID *GuidTable;\r | |
218 | DYNAMICEX_MAPPING *ExMapTable;\r | |
219 | UINTN Index;\r | |
220 | UINT32 LocalTokenNumber;\r | |
221 | \r | |
222 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
223 | \r | |
224 | GuidTable = (EFI_GUID *)((UINT8 *)Database + Database->GuidTableOffset);\r | |
225 | MatchGuid = ScanGuid (GuidTable, Database->GuidTableCount * sizeof(EFI_GUID), Guid);\r | |
226 | \r | |
227 | if (MatchGuid == NULL) {\r | |
228 | return EFI_NOT_FOUND;\r | |
229 | }\r | |
230 | \r | |
231 | GuidTableIdx = MatchGuid - GuidTable;\r | |
232 | \r | |
233 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)Database + Database->ExMapTableOffset);\r | |
234 | \r | |
235 | //\r | |
236 | // Find the PCD by GuidTableIdx and ExTokenNumber in ExMapTable.\r | |
237 | //\r | |
238 | for (Index = 0; Index < Database->ExTokenCount; Index++) {\r | |
239 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
240 | if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
241 | //\r | |
242 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
243 | // PcdSize to 0 and PcdName to the null-terminated ASCII string\r | |
244 | // associated with the token's namespace Guid.\r | |
245 | //\r | |
246 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
247 | PcdInfo->PcdSize = 0;\r | |
248 | //\r | |
249 | // Here use one representative in the token space to get the TokenSpaceCName.\r | |
d1102dba | 250 | //\r |
96d6d004 SZ |
251 | PcdInfo->PcdName = GetPcdName (TRUE, IsPeiDb, ExMapTable[Index].TokenNumber);\r |
252 | return EFI_SUCCESS;\r | |
253 | } else if (ExMapTable[Index].ExTokenNumber == TokenNumber) {\r | |
254 | PcdInfo->PcdSize = DxePcdGetSize (ExMapTable[Index].TokenNumber);\r | |
255 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
256 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
257 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, ExMapTable[Index].TokenNumber);\r | |
258 | return EFI_SUCCESS;\r | |
259 | }\r | |
260 | }\r | |
261 | }\r | |
262 | \r | |
263 | return EFI_NOT_FOUND;\r | |
264 | }\r | |
265 | \r | |
266 | /**\r | |
267 | Retrieve additional information associated with a PCD token.\r | |
268 | \r | |
269 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
270 | human readable name that is associated with the token.\r | |
271 | \r | |
272 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
273 | @param[in] TokenNumber The PCD token number.\r | |
274 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
275 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
276 | \r | |
277 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
278 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
279 | **/\r | |
280 | EFI_STATUS\r | |
281 | DxeGetPcdInfo (\r | |
282 | IN CONST EFI_GUID *Guid,\r | |
283 | IN UINTN TokenNumber,\r | |
284 | OUT EFI_PCD_INFO *PcdInfo\r | |
285 | )\r | |
286 | {\r | |
287 | EFI_STATUS Status;\r | |
288 | BOOLEAN PeiExMapTableEmpty;\r | |
289 | BOOLEAN DxeExMapTableEmpty;\r | |
290 | UINT32 LocalTokenNumber;\r | |
291 | BOOLEAN IsPeiDb;\r | |
292 | \r | |
96d6d004 SZ |
293 | ASSERT (PcdInfo != NULL);\r |
294 | \r | |
295 | Status = EFI_NOT_FOUND;\r | |
296 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r | |
297 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
298 | \r | |
299 | if (Guid == NULL) {\r | |
300 | if (((TokenNumber + 1 > mPeiNexTokenCount + 1) && (TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r | |
301 | ((TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r | |
302 | return EFI_NOT_FOUND;\r | |
303 | } else if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
304 | //\r | |
305 | // TokenNumber is 0, follow spec to set PcdType to EFI_PCD_TYPE_8,\r | |
306 | // PcdSize to 0 and PcdName to NULL for default Token Space.\r | |
307 | //\r | |
308 | PcdInfo->PcdType = EFI_PCD_TYPE_8;\r | |
309 | PcdInfo->PcdSize = 0;\r | |
310 | PcdInfo->PcdName = NULL;\r | |
311 | } else {\r | |
312 | PcdInfo->PcdSize = DxePcdGetSize (TokenNumber);\r | |
313 | IsPeiDb = FALSE;\r | |
314 | if ((TokenNumber + 1 <= mPeiNexTokenCount + 1)) {\r | |
315 | IsPeiDb = TRUE;\r | |
316 | }\r | |
317 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r | |
318 | PcdInfo->PcdType = GetPcdType (LocalTokenNumber);\r | |
319 | PcdInfo->PcdName = GetPcdName (FALSE, IsPeiDb, TokenNumber);\r | |
320 | }\r | |
321 | return EFI_SUCCESS;\r | |
322 | }\r | |
323 | \r | |
324 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
325 | return EFI_NOT_FOUND;\r | |
326 | }\r | |
327 | \r | |
328 | if (!PeiExMapTableEmpty) {\r | |
329 | Status = ExGetPcdInfo (\r | |
330 | TRUE,\r | |
331 | Guid,\r | |
332 | TokenNumber,\r | |
333 | PcdInfo\r | |
334 | );\r | |
335 | }\r | |
336 | \r | |
337 | if (Status == EFI_SUCCESS) {\r | |
338 | return Status;\r | |
339 | }\r | |
340 | \r | |
341 | if (!DxeExMapTableEmpty) {\r | |
342 | Status = ExGetPcdInfo (\r | |
343 | FALSE,\r | |
344 | Guid,\r | |
345 | TokenNumber,\r | |
346 | PcdInfo\r | |
347 | );\r | |
348 | }\r | |
349 | \r | |
350 | return Status;\r | |
351 | }\r | |
80408db0 | 352 | \r |
2ab6330e | 353 | /**\r |
354 | Get the PCD entry pointer in PCD database.\r | |
d1102dba | 355 | \r |
2ab6330e | 356 | This routine will visit PCD database to find the PCD entry according to given\r |
d1102dba LG |
357 | token number. The given token number is autogened by build tools and it will be\r |
358 | translated to local token number. Local token number contains PCD's type and\r | |
2ab6330e | 359 | offset of PCD entry in PCD database.\r |
360 | \r | |
361 | @param TokenNumber Token's number, it is autogened by build tools\r | |
362 | @param GetSize The size of token's value\r | |
363 | \r | |
364 | @return PCD entry pointer in PCD database\r | |
365 | \r | |
366 | **/\r | |
80408db0 | 367 | VOID *\r |
368 | GetWorker (\r | |
2ab6330e | 369 | IN UINTN TokenNumber,\r |
370 | IN UINTN GetSize\r | |
80408db0 | 371 | )\r |
372 | {\r | |
80408db0 | 373 | EFI_GUID *GuidTable;\r |
d0965169 | 374 | UINT8 *StringTable;\r |
80408db0 | 375 | EFI_GUID *Guid;\r |
376 | UINT16 *Name;\r | |
377 | VARIABLE_HEAD *VariableHead;\r | |
378 | UINT8 *VaraiableDefaultBuffer;\r | |
379 | UINT8 *Data;\r | |
380 | VPD_HEAD *VpdHead;\r | |
381 | UINT8 *PcdDb;\r | |
382 | VOID *RetPtr;\r | |
80408db0 | 383 | UINTN TmpTokenNumber;\r |
384 | UINTN DataSize;\r | |
385 | EFI_STATUS Status;\r | |
386 | UINT32 LocalTokenNumber;\r | |
387 | UINT32 Offset;\r | |
d1102dba | 388 | STRING_HEAD StringTableIdx;\r |
80408db0 | 389 | BOOLEAN IsPeiDb;\r |
390 | \r | |
391 | //\r | |
392 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
393 | //\r | |
394 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
395 | \r | |
396 | RetPtr = NULL;\r | |
419db80b BF |
397 | \r |
398 | ASSERT (TokenNumber > 0);\r | |
80408db0 | 399 | //\r |
400 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
401 | // We have to decrement TokenNumber by 1 to make it usable\r | |
402 | // as the array index.\r | |
403 | //\r | |
404 | TokenNumber--;\r | |
405 | \r | |
406 | TmpTokenNumber = TokenNumber;\r | |
419db80b | 407 | \r |
80408db0 | 408 | //\r |
419db80b | 409 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 410 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 411 | // comparison.\r |
412 | //\r | |
419db80b | 413 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 414 | \r |
415 | ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));\r | |
416 | \r | |
417 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 418 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 419 | // comparison.\r |
419db80b | 420 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
80408db0 | 421 | \r |
96d6d004 | 422 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 423 | \r |
419db80b | 424 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
d1102dba | 425 | \r |
309e3122 | 426 | if (IsPeiDb) {\r |
419db80b | 427 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 428 | } else {\r |
419db80b | 429 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 430 | }\r |
419db80b BF |
431 | \r |
432 | \r | |
80408db0 | 433 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
419db80b | 434 | \r |
80408db0 | 435 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
436 | case PCD_TYPE_VPD:\r | |
437 | VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);\r | |
534efca0 LG |
438 | ASSERT (mVpdBaseAddress != 0);\r |
439 | RetPtr = (VOID *) (mVpdBaseAddress + VpdHead->Offset);\r | |
419db80b | 440 | \r |
80408db0 | 441 | break;\r |
419db80b | 442 | \r |
6ac15f7c | 443 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 444 | case PCD_TYPE_HII:\r |
309e3122 | 445 | if (IsPeiDb) {\r |
419db80b | 446 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 447 | } else {\r |
419db80b | 448 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 449 | }\r |
419db80b | 450 | \r |
80408db0 | 451 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
1fef733c | 452 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 453 | Name = (UINT16*)(StringTable + VariableHead->StringIndex);\r |
419db80b | 454 | \r |
6ac15f7c | 455 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
419db80b | 456 | //\r |
d1102dba | 457 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of\r |
419db80b BF |
458 | // string array in string table.\r |
459 | //\r | |
d1102dba LG |
460 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset);\r |
461 | VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx);\r | |
6ac15f7c | 462 | } else {\r |
463 | VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r | |
419db80b BF |
464 | }\r |
465 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
466 | if (Status == EFI_SUCCESS) {\r | |
553e8669 SZ |
467 | if (DataSize >= (VariableHead->Offset + GetSize)) {\r |
468 | if (GetSize == 0) {\r | |
469 | //\r | |
470 | // It is a pointer type. So get the MaxSize reserved for\r | |
471 | // this PCD entry.\r | |
472 | //\r | |
473 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r | |
474 | if (GetSize > (DataSize - VariableHead->Offset)) {\r | |
475 | //\r | |
476 | // Use actual valid size.\r | |
477 | //\r | |
478 | GetSize = DataSize - VariableHead->Offset;\r | |
479 | }\r | |
480 | }\r | |
0b1ef275 | 481 | //\r |
553e8669 SZ |
482 | // If the operation is successful, we copy the data\r |
483 | // to the default value buffer in the PCD Database.\r | |
484 | // So that we can free the Data allocated in GetHiiVariable.\r | |
0b1ef275 | 485 | //\r |
553e8669 | 486 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r |
6ac15f7c | 487 | }\r |
419db80b | 488 | FreePool (Data);\r |
80408db0 | 489 | }\r |
419db80b | 490 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r |
80408db0 | 491 | break;\r |
492 | \r | |
493 | case PCD_TYPE_STRING:\r | |
6cfc7292 | 494 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + Offset);\r |
1fef733c | 495 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 496 | break;\r |
497 | \r | |
498 | case PCD_TYPE_DATA:\r | |
499 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
500 | break;\r | |
501 | \r | |
502 | default:\r | |
503 | ASSERT (FALSE);\r | |
504 | break;\r | |
d1102dba | 505 | \r |
80408db0 | 506 | }\r |
507 | \r | |
508 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
419db80b | 509 | \r |
80408db0 | 510 | return RetPtr;\r |
419db80b | 511 | \r |
80408db0 | 512 | }\r |
513 | \r | |
2ab6330e | 514 | /**\r |
515 | Register the callback function for a PCD entry.\r | |
516 | \r | |
517 | This routine will register a callback function to a PCD entry by given token number\r | |
518 | and token space guid.\r | |
d1102dba | 519 | \r |
2ab6330e | 520 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
d1102dba | 521 | @param Guid PCD token space's guid,\r |
2ab6330e | 522 | if not NULL, this PCD is dynamicEx type PCD.\r |
523 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 524 | \r |
2ab6330e | 525 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 526 | \r |
2ab6330e | 527 | **/\r |
80408db0 | 528 | EFI_STATUS\r |
529 | DxeRegisterCallBackWorker (\r | |
530 | IN UINTN TokenNumber,\r | |
2ab6330e | 531 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 532 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
533 | )\r | |
534 | {\r | |
535 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
536 | LIST_ENTRY *ListHead;\r | |
537 | LIST_ENTRY *ListNode;\r | |
538 | \r | |
539 | if (Guid != NULL) {\r | |
540 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
541 | }\r | |
542 | \r | |
543 | //\r | |
544 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
545 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 546 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 547 | //\r |
b07a5b68 | 548 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 549 | ListNode = GetFirstNode (ListHead);\r |
550 | \r | |
551 | while (ListNode != ListHead) {\r | |
552 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
553 | \r | |
554 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
555 | //\r | |
556 | // We only allow a Callback function to be register once\r | |
557 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
558 | //\r | |
559 | return EFI_SUCCESS;\r | |
560 | }\r | |
561 | ListNode = GetNextNode (ListHead, ListNode);\r | |
562 | }\r | |
563 | \r | |
564 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
565 | ASSERT (FnTableEntry != NULL);\r | |
566 | \r | |
567 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
568 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
d1102dba | 569 | \r |
80408db0 | 570 | return EFI_SUCCESS;\r |
571 | }\r | |
572 | \r | |
2ab6330e | 573 | /**\r |
574 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 575 | \r |
2ab6330e | 576 | This routine will unregister a callback function to a PCD entry by given token number\r |
577 | and token space guid.\r | |
80408db0 | 578 | \r |
2ab6330e | 579 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
580 | @param Guid PCD token space's guid.\r | |
581 | if not NULL, this PCD is dynamicEx type PCD.\r | |
582 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 583 | \r |
2ab6330e | 584 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
585 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
586 | **/\r | |
80408db0 | 587 | EFI_STATUS\r |
588 | DxeUnRegisterCallBackWorker (\r | |
589 | IN UINTN TokenNumber,\r | |
2ab6330e | 590 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 591 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
592 | )\r | |
593 | {\r | |
594 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
595 | LIST_ENTRY *ListHead;\r | |
596 | LIST_ENTRY *ListNode;\r | |
597 | \r | |
598 | if (Guid != NULL) {\r | |
599 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
600 | }\r | |
601 | \r | |
602 | //\r | |
603 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
604 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 605 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 606 | //\r |
b07a5b68 | 607 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 608 | ListNode = GetFirstNode (ListHead);\r |
609 | \r | |
610 | while (ListNode != ListHead) {\r | |
611 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
612 | \r | |
613 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
614 | //\r | |
615 | // We only allow a Callback function to be register once\r | |
616 | // for a TokenNumber. So we can safely remove the Node from\r | |
617 | // the Link List and return EFI_SUCCESS.\r | |
618 | //\r | |
619 | RemoveEntryList (ListNode);\r | |
620 | FreePool (FnTableEntry);\r | |
d1102dba | 621 | \r |
80408db0 | 622 | return EFI_SUCCESS;\r |
623 | }\r | |
624 | ListNode = GetNextNode (ListHead, ListNode);\r | |
625 | }\r | |
626 | \r | |
627 | return EFI_INVALID_PARAMETER;\r | |
628 | }\r | |
629 | \r | |
2ab6330e | 630 | /**\r |
631 | Get next token number in given token space.\r | |
d1102dba | 632 | \r |
2ab6330e | 633 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r |
d1102dba LG |
634 | table to get token space according to given token space guid. Then scan given\r |
635 | token number in found token space, if found, then return next token number in\r | |
2ab6330e | 636 | this token space.\r |
637 | \r | |
d1102dba | 638 | @param Guid Token space guid. Next token number will be scaned in\r |
2ab6330e | 639 | this token space.\r |
d1102dba LG |
640 | @param TokenNumber Token number.\r |
641 | If PCD_INVALID_TOKEN_NUMBER, return first token number in\r | |
2ab6330e | 642 | token space table.\r |
643 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
644 | in token space table.\r | |
645 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
646 | by given token space guid.\r | |
647 | @param SizeOfGuidTable The size of guid table.\r | |
648 | @param ExMapTable DynamicEx token number mapping table.\r | |
649 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
650 | \r | |
651 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
652 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 653 | \r |
2ab6330e | 654 | **/\r |
80408db0 | 655 | EFI_STATUS\r |
656 | ExGetNextTokeNumber (\r | |
657 | IN CONST EFI_GUID *Guid,\r | |
658 | IN OUT UINTN *TokenNumber,\r | |
659 | IN EFI_GUID *GuidTable,\r | |
660 | IN UINTN SizeOfGuidTable,\r | |
661 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
662 | IN UINTN SizeOfExMapTable\r | |
663 | )\r | |
664 | {\r | |
665 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 666 | UINTN Index;\r |
80408db0 | 667 | UINTN GuidTableIdx;\r |
668 | BOOLEAN Found;\r | |
419db80b | 669 | UINTN ExMapTableCount;\r |
80408db0 | 670 | \r |
2ab6330e | 671 | //\r |
d1102dba LG |
672 | // Scan token space guid\r |
673 | //\r | |
80408db0 | 674 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
675 | if (MatchGuid == NULL) {\r | |
676 | return EFI_NOT_FOUND;\r | |
677 | }\r | |
678 | \r | |
2ab6330e | 679 | //\r |
680 | // Find the token space table in dynamicEx mapping table.\r | |
681 | //\r | |
80408db0 | 682 | Found = FALSE;\r |
683 | GuidTableIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
684 | ExMapTableCount = SizeOfExMapTable / sizeof(ExMapTable[0]);\r |
685 | for (Index = 0; Index < ExMapTableCount; Index++) {\r | |
2ab6330e | 686 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 687 | Found = TRUE;\r |
688 | break;\r | |
689 | }\r | |
690 | }\r | |
691 | \r | |
692 | if (Found) {\r | |
2ab6330e | 693 | //\r |
694 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
695 | // token number in found token space.\r | |
696 | //\r | |
80408db0 | 697 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 698 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 699 | return EFI_SUCCESS;\r |
700 | }\r | |
701 | \r | |
419db80b | 702 | for ( ; Index < ExMapTableCount; Index++) {\r |
bfb4c2ba | 703 | if ((ExMapTable[Index].ExTokenNumber == *TokenNumber) && (ExMapTable[Index].ExGuidIndex == GuidTableIdx)) {\r |
419db80b BF |
704 | break;\r |
705 | }\r | |
706 | }\r | |
707 | \r | |
708 | while (Index < ExMapTableCount) {\r | |
709 | Index++;\r | |
710 | if (Index == ExMapTableCount) {\r | |
711 | //\r | |
712 | // Exceed the length of ExMap Table\r | |
713 | //\r | |
714 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
715 | return EFI_NOT_FOUND;\r | |
716 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
717 | //\r | |
718 | // Found the next match\r | |
719 | //\r | |
720 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
721 | return EFI_SUCCESS;\r | |
80408db0 | 722 | }\r |
723 | }\r | |
724 | }\r | |
419db80b | 725 | \r |
80408db0 | 726 | return EFI_NOT_FOUND;\r |
727 | }\r | |
80408db0 | 728 | \r |
419db80b BF |
729 | /**\r |
730 | Find the PCD database.\r | |
731 | \r | |
732 | @retval The base address of external PCD database binary.\r | |
733 | @retval NULL Return NULL if not find.\r | |
734 | **/\r | |
735 | DXE_PCD_DATABASE *\r | |
736 | LocateExPcdBinary (\r | |
737 | VOID\r | |
d1102dba | 738 | )\r |
419db80b | 739 | {\r |
419db80b | 740 | EFI_STATUS Status;\r |
d1102dba | 741 | \r |
419db80b | 742 | //\r |
d1102dba | 743 | // Search the External Pcd database from one section of current FFS,\r |
419db80b BF |
744 | // and read it to memory\r |
745 | //\r | |
746 | Status = GetSectionFromFfs (\r | |
747 | EFI_SECTION_RAW,\r | |
748 | 0,\r | |
7c736265 LG |
749 | (VOID **) &mDxePcdDbBinary,\r |
750 | &mDxePcdDbSize\r | |
419db80b BF |
751 | );\r |
752 | ASSERT_EFI_ERROR (Status);\r | |
753 | \r | |
754 | //\r | |
755 | // Check the first bytes (Header Signature Guid) and build version.\r | |
756 | //\r | |
7c736265 LG |
757 | if (!CompareGuid ((VOID *)mDxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r |
758 | (mDxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r | |
419db80b BF |
759 | ASSERT (FALSE);\r |
760 | }\r | |
761 | \r | |
7c736265 LG |
762 | return mDxePcdDbBinary;\r |
763 | }\r | |
764 | \r | |
765 | /**\r | |
766 | Update PCD database base on current SkuId\r | |
767 | \r | |
768 | @param SkuId Current SkuId\r | |
769 | @param IsPeiDb Whether to update PEI PCD database.\r | |
770 | \r | |
771 | @retval EFI_SUCCESS Update PCD database successfully.\r | |
772 | @retval EFI_NOT_FOUND Not found PCD database for current SkuId.\r | |
773 | **/\r | |
774 | EFI_STATUS\r | |
775 | UpdatePcdDatabase (\r | |
776 | IN SKU_ID SkuId,\r | |
777 | IN BOOLEAN IsPeiDb\r | |
778 | )\r | |
779 | {\r | |
780 | UINTN Index;\r | |
781 | PCD_DATABASE_SKU_DELTA *SkuDelta;\r | |
782 | PCD_DATA_DELTA *SkuDeltaData;\r | |
783 | \r | |
784 | if (IsPeiDb && mPeiPcdDbBinary != NULL) {\r | |
785 | //\r | |
786 | // Find the delta data for PEI DB\r | |
787 | //\r | |
788 | Index = (mPcdDatabase.PeiDb->Length + 7) & (~7);\r | |
789 | SkuDelta = NULL;\r | |
790 | while (Index < mPeiPcdDbSize) {\r | |
791 | SkuDelta = (PCD_DATABASE_SKU_DELTA *) ((UINT8 *) mPeiPcdDbBinary + Index);\r | |
f0c69b61 | 792 | if (SkuDelta->SkuId == SkuId && SkuDelta->SkuIdCompared == 0) {\r |
7c736265 LG |
793 | break;\r |
794 | }\r | |
795 | Index = (Index + SkuDelta->Length + 7) & (~7);\r | |
796 | }\r | |
797 | \r | |
798 | //\r | |
799 | // Patch the delta data into current PCD database\r | |
800 | //\r | |
801 | if (Index < mPeiPcdDbSize && SkuDelta != NULL) {\r | |
802 | SkuDeltaData = (PCD_DATA_DELTA *) (SkuDelta + 1);\r | |
803 | while ((UINT8 *) SkuDeltaData < (UINT8 *) SkuDelta + SkuDelta->Length) {\r | |
804 | *((UINT8 *) mPcdDatabase.PeiDb + SkuDeltaData->Offset) = (UINT8) SkuDeltaData->Value;\r | |
805 | SkuDeltaData ++;\r | |
806 | }\r | |
807 | } else {\r | |
808 | return EFI_NOT_FOUND;\r | |
809 | }\r | |
810 | }\r | |
811 | \r | |
812 | //\r | |
813 | // Find the delta data for DXE DB\r | |
814 | //\r | |
815 | Index = (mPcdDatabase.DxeDb->Length + 7) & (~7);\r | |
816 | SkuDelta = NULL;\r | |
817 | while (Index < mDxePcdDbSize) {\r | |
818 | SkuDelta = (PCD_DATABASE_SKU_DELTA *) ((UINT8 *) mDxePcdDbBinary + Index);\r | |
819 | if (SkuDelta->SkuId == SkuId && SkuDelta->SkuIdCompared == 0) {\r | |
820 | break;\r | |
821 | }\r | |
822 | Index = (Index + SkuDelta->Length + 7) & (~7);\r | |
823 | }\r | |
824 | \r | |
825 | //\r | |
826 | // Patch the delta data into current PCD database\r | |
827 | //\r | |
828 | if (Index < mDxePcdDbSize && SkuDelta != NULL) {\r | |
829 | SkuDeltaData = (PCD_DATA_DELTA *) (SkuDelta + 1);\r | |
830 | while ((UINT8 *) SkuDeltaData < (UINT8 *) SkuDelta + SkuDelta->Length) {\r | |
831 | *((UINT8 *) mPcdDatabase.DxeDb + SkuDeltaData->Offset) = (UINT8) SkuDeltaData->Value;\r | |
832 | SkuDeltaData ++;\r | |
833 | }\r | |
834 | return EFI_SUCCESS;\r | |
835 | }\r | |
836 | \r | |
837 | return EFI_NOT_FOUND;\r | |
419db80b | 838 | }\r |
80408db0 | 839 | \r |
2ab6330e | 840 | /**\r |
841 | Initialize the PCD database in DXE phase.\r | |
d1102dba | 842 | \r |
2ab6330e | 843 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r |
844 | from GUID Hob.\r | |
80408db0 | 845 | \r |
2ab6330e | 846 | **/\r |
80408db0 | 847 | VOID\r |
848 | BuildPcdDxeDataBase (\r | |
849 | VOID\r | |
850 | )\r | |
851 | {\r | |
852 | PEI_PCD_DATABASE *PeiDatabase;\r | |
853 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 854 | UINTN Index;\r |
419db80b BF |
855 | UINT32 PcdDxeDbLen;\r |
856 | VOID *PcdDxeDb;\r | |
7c736265 | 857 | EFI_STATUS Status;\r |
80408db0 | 858 | \r |
efd6b412 SZ |
859 | //\r |
860 | // Assign PCD Entries with default value to PCD DATABASE\r | |
861 | //\r | |
862 | mPcdDatabase.DxeDb = LocateExPcdBinary ();\r | |
863 | ASSERT(mPcdDatabase.DxeDb != NULL);\r | |
864 | PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r | |
865 | PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r | |
866 | ASSERT (PcdDxeDb != NULL);\r | |
867 | CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r | |
efd6b412 SZ |
868 | mPcdDatabase.DxeDb = PcdDxeDb;\r |
869 | \r | |
80408db0 | 870 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
871 | if (GuidHob != NULL) {\r | |
872 | \r | |
d1102dba | 873 | //\r |
80408db0 | 874 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r |
875 | // should not be included at all. So the GuidHob could\r | |
876 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
877 | // Value to PCD Database.\r | |
878 | //\r | |
80408db0 | 879 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r |
7c736265 LG |
880 | \r |
881 | //\r | |
882 | // Get next one that stores full PEI data\r | |
883 | //\r | |
884 | GuidHob = GetNextGuidHob (&gPcdDataBaseHobGuid, GET_NEXT_HOB (GuidHob));\r | |
885 | if (GuidHob != NULL) {\r | |
886 | mPeiPcdDbBinary = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
887 | mPeiPcdDbSize = (UINTN) GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
888 | }\r | |
889 | \r | |
80408db0 | 890 | //\r |
419db80b | 891 | // Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r |
80408db0 | 892 | //\r |
419db80b | 893 | mPcdDatabase.PeiDb = PeiDatabase;\r |
efd6b412 SZ |
894 | //\r |
895 | // Inherit the SystemSkuId from PEI phase.\r | |
896 | //\r | |
7c736265 LG |
897 | if (mPcdDatabase.PeiDb->SystemSkuId != 0) {\r |
898 | Status = UpdatePcdDatabase (mPcdDatabase.PeiDb->SystemSkuId, FALSE);\r | |
899 | ASSERT_EFI_ERROR (Status);\r | |
900 | }\r | |
efd6b412 SZ |
901 | mPcdDatabase.DxeDb->SystemSkuId = mPcdDatabase.PeiDb->SystemSkuId;\r |
902 | } else {\r | |
903 | mPcdDatabase.PeiDb = AllocateZeroPool (sizeof (PEI_PCD_DATABASE));\r | |
904 | ASSERT(mPcdDatabase.PeiDb != NULL);\r | |
80408db0 | 905 | }\r |
906 | \r | |
419db80b BF |
907 | //\r |
908 | // Initialized the external PCD database local variables\r | |
909 | //\r | |
910 | mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r | |
911 | mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r | |
912 | \r | |
913 | mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
914 | mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
915 | mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r | |
916 | mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r | |
917 | \r | |
918 | mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r | |
919 | mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r | |
d1102dba | 920 | mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount;\r |
419db80b BF |
921 | \r |
922 | mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
923 | mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
924 | mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r | |
925 | \r | |
926 | TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r | |
927 | TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r | |
80408db0 | 928 | \r |
929 | //\r | |
930 | // Initialized the Callback Function Table\r | |
931 | //\r | |
419db80b | 932 | mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r |
3fd8027e | 933 | ASSERT(mCallbackFnTable != NULL);\r |
419db80b BF |
934 | \r |
935 | //\r | |
80408db0 | 936 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 937 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 938 | // comparison.\r |
419db80b BF |
939 | //\r |
940 | for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r | |
2ab6330e | 941 | InitializeListHead (&mCallbackFnTable[Index]);\r |
80408db0 | 942 | }\r |
80408db0 | 943 | }\r |
944 | \r | |
2ab6330e | 945 | /**\r |
946 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 947 | \r |
2ab6330e | 948 | @param VariableGuid Variable's guid\r |
949 | @param VariableName Variable's unicode name string\r | |
d1102dba | 950 | @param VariableData Variable's data pointer,\r |
2ab6330e | 951 | @param VariableSize Variable's size.\r |
80408db0 | 952 | \r |
2ab6330e | 953 | @return the status of gRT->GetVariable\r |
954 | **/\r | |
80408db0 | 955 | EFI_STATUS\r |
956 | GetHiiVariable (\r | |
957 | IN EFI_GUID *VariableGuid,\r | |
958 | IN UINT16 *VariableName,\r | |
959 | OUT UINT8 **VariableData,\r | |
960 | OUT UINTN *VariableSize\r | |
961 | )\r | |
962 | {\r | |
963 | UINTN Size;\r | |
964 | EFI_STATUS Status;\r | |
965 | UINT8 *Buffer;\r | |
966 | \r | |
967 | Size = 0;\r | |
968 | Buffer = NULL;\r | |
d1102dba | 969 | \r |
2ab6330e | 970 | //\r |
971 | // Firstly get the real size of HII variable\r | |
972 | //\r | |
80408db0 | 973 | Status = gRT->GetVariable (\r |
974 | (UINT16 *)VariableName,\r | |
975 | VariableGuid,\r | |
976 | NULL,\r | |
977 | &Size,\r | |
978 | Buffer\r | |
979 | );\r | |
d1102dba | 980 | \r |
2ab6330e | 981 | //\r |
982 | // Allocate buffer to hold whole variable data according to variable size.\r | |
983 | //\r | |
80408db0 | 984 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
985 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
986 | \r | |
987 | ASSERT (Buffer != NULL);\r | |
988 | \r | |
989 | Status = gRT->GetVariable (\r | |
990 | VariableName,\r | |
991 | VariableGuid,\r | |
992 | NULL,\r | |
993 | &Size,\r | |
994 | Buffer\r | |
995 | );\r | |
996 | \r | |
997 | ASSERT (Status == EFI_SUCCESS);\r | |
998 | *VariableData = Buffer;\r | |
999 | *VariableSize = Size;\r | |
0b1ef275 LG |
1000 | } else {\r |
1001 | //\r | |
d1102dba | 1002 | // Use Default Data only when variable is not found.\r |
0b1ef275 LG |
1003 | // For other error status, correct data can't be got, and trig ASSERT().\r |
1004 | //\r | |
1005 | ASSERT (Status == EFI_NOT_FOUND);\r | |
80408db0 | 1006 | }\r |
1007 | \r | |
1008 | return Status;\r | |
1009 | }\r | |
1010 | \r | |
2ab6330e | 1011 | /**\r |
d1102dba | 1012 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry\r |
2ab6330e | 1013 | has registered callback function.\r |
80408db0 | 1014 | \r |
2ab6330e | 1015 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
1016 | type PCD.\r | |
1017 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
1018 | PCD.\r | |
1019 | @param TokenNumber PCD token number generated by build tools.\r | |
1020 | @param Data Value want to be set for this PCD entry\r | |
1021 | @param Size The size of value\r | |
80408db0 | 1022 | \r |
2ab6330e | 1023 | **/\r |
80408db0 | 1024 | VOID\r |
1025 | InvokeCallbackOnSet (\r | |
1026 | UINT32 ExTokenNumber,\r | |
1027 | CONST EFI_GUID *Guid, OPTIONAL\r | |
1028 | UINTN TokenNumber,\r | |
1029 | VOID *Data,\r | |
1030 | UINTN Size\r | |
1031 | )\r | |
1032 | {\r | |
1033 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
1034 | LIST_ENTRY *ListHead;\r | |
1035 | LIST_ENTRY *ListNode;\r | |
1036 | \r | |
1037 | //\r | |
1038 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1039 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 1040 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 1041 | //\r |
b07a5b68 | 1042 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 1043 | ListNode = GetFirstNode (ListHead);\r |
1044 | \r | |
1045 | while (ListNode != ListHead) {\r | |
b07a5b68 | 1046 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r |
80408db0 | 1047 | \r |
d1102dba | 1048 | FnTableEntry->CallbackFn(Guid,\r |
80408db0 | 1049 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r |
1050 | Data,\r | |
1051 | Size);\r | |
d1102dba | 1052 | \r |
80408db0 | 1053 | ListNode = GetNextNode (ListHead, ListNode);\r |
1054 | }\r | |
d1102dba | 1055 | \r |
80408db0 | 1056 | return;\r |
1057 | }\r | |
1058 | \r | |
1059 | \r | |
2ab6330e | 1060 | /**\r |
1061 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
1062 | \r | |
1063 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1064 | @param Data Value want to be set for PCD entry\r | |
1065 | @param Size Size of value.\r | |
1066 | \r | |
1067 | @return status of SetWorker.\r | |
1068 | \r | |
1069 | **/\r | |
80408db0 | 1070 | EFI_STATUS\r |
1071 | SetValueWorker (\r | |
1072 | IN UINTN TokenNumber,\r | |
1073 | IN VOID *Data,\r | |
1074 | IN UINTN Size\r | |
1075 | )\r | |
1076 | {\r | |
1077 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
1078 | }\r | |
1079 | \r | |
1080 | \r | |
2ab6330e | 1081 | /**\r |
1082 | Set value for an PCD entry\r | |
1083 | \r | |
1084 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1085 | @param Data Value want to be set for PCD entry\r | |
1086 | @param Size Size of value.\r | |
1087 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
1088 | If False, the type of PCD entry's value is not Pointer.\r | |
1089 | \r | |
1090 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
1091 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
d1102dba | 1092 | @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database.\r |
2ab6330e | 1093 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r |
1094 | range of UINT8, UINT16, UINT32, UINT64\r | |
d1102dba | 1095 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number.\r |
2ab6330e | 1096 | **/\r |
80408db0 | 1097 | EFI_STATUS\r |
1098 | SetWorker (\r | |
1099 | IN UINTN TokenNumber,\r | |
1100 | IN VOID *Data,\r | |
1101 | IN OUT UINTN *Size,\r | |
1102 | IN BOOLEAN PtrType\r | |
1103 | )\r | |
1104 | {\r | |
80408db0 | 1105 | BOOLEAN IsPeiDb;\r |
1106 | UINT32 LocalTokenNumber;\r | |
1107 | EFI_GUID *GuidTable;\r | |
d0965169 | 1108 | UINT8 *StringTable;\r |
80408db0 | 1109 | EFI_GUID *Guid;\r |
1110 | UINT16 *Name;\r | |
1111 | UINTN VariableOffset;\r | |
23f3e119 | 1112 | UINT32 Attributes;\r |
80408db0 | 1113 | VOID *InternalData;\r |
1114 | VARIABLE_HEAD *VariableHead;\r | |
1115 | UINTN Offset;\r | |
1116 | UINT8 *PcdDb;\r | |
1117 | EFI_STATUS Status;\r | |
1118 | UINTN MaxSize;\r | |
1119 | UINTN TmpTokenNumber;\r | |
1120 | \r | |
80408db0 | 1121 | //\r |
1122 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1123 | // We have to decrement TokenNumber by 1 to make it usable\r | |
1124 | // as the array index.\r | |
1125 | //\r | |
1126 | TokenNumber--;\r | |
1127 | \r | |
1128 | TmpTokenNumber = TokenNumber;\r | |
d1102dba | 1129 | \r |
2ab6330e | 1130 | //\r |
80408db0 | 1131 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 1132 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1133 | // comparison.\r |
2ab6330e | 1134 | //\r |
419db80b | 1135 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 1136 | \r |
8ec8bed4 | 1137 | if (PtrType) {\r |
64894410 LG |
1138 | //\r |
1139 | // Get MaxSize first, then check new size with max buffer size.\r | |
1140 | //\r | |
1141 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
1142 | if (*Size > MaxSize) {\r | |
cb40609c | 1143 | *Size = MaxSize;\r |
8ec8bed4 | 1144 | return EFI_INVALID_PARAMETER;\r |
1145 | }\r | |
1146 | } else {\r | |
1147 | if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r | |
1148 | return EFI_INVALID_PARAMETER;\r | |
1149 | }\r | |
80408db0 | 1150 | }\r |
b07a5b68 | 1151 | \r |
2ab6330e | 1152 | //\r |
80408db0 | 1153 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 1154 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1155 | // comparison.\r |
2ab6330e | 1156 | //\r |
419db80b BF |
1157 | if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r |
1158 | (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r | |
b07a5b68 | 1159 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
1160 | }\r | |
80408db0 | 1161 | \r |
b07a5b68 | 1162 | //\r |
1163 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1164 | //\r | |
1165 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
80408db0 | 1166 | \r |
2ab6330e | 1167 | //\r |
80408db0 | 1168 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 1169 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1170 | // comparison.\r |
2ab6330e | 1171 | //\r |
419db80b | 1172 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
b07a5b68 | 1173 | \r |
96d6d004 | 1174 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 1175 | \r |
1176 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1177 | \r | |
419db80b | 1178 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
80408db0 | 1179 | \r |
309e3122 | 1180 | if (IsPeiDb) {\r |
419db80b | 1181 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 1182 | } else {\r |
419db80b | 1183 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 1184 | }\r |
1185 | \r | |
d1102dba | 1186 | \r |
80408db0 | 1187 | InternalData = PcdDb + Offset;\r |
1188 | \r | |
1189 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1190 | case PCD_TYPE_VPD:\r | |
1191 | ASSERT (FALSE);\r | |
1192 | Status = EFI_INVALID_PARAMETER;\r | |
1193 | break;\r | |
d1102dba | 1194 | \r |
80408db0 | 1195 | case PCD_TYPE_STRING:\r |
1196 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
6cfc7292 | 1197 | CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r |
80408db0 | 1198 | Status = EFI_SUCCESS;\r |
1199 | } else {\r | |
1200 | Status = EFI_INVALID_PARAMETER;\r | |
1201 | }\r | |
1202 | break;\r | |
1203 | \r | |
6ac15f7c | 1204 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 1205 | case PCD_TYPE_HII:\r |
1206 | if (PtrType) {\r | |
1207 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1208 | Status = EFI_INVALID_PARAMETER;\r | |
1209 | break;\r | |
1210 | }\r | |
1211 | }\r | |
419db80b | 1212 | \r |
309e3122 | 1213 | if (IsPeiDb) {\r |
419db80b | 1214 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 1215 | } else {\r |
419db80b | 1216 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 1217 | }\r |
419db80b | 1218 | \r |
80408db0 | 1219 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
419db80b | 1220 | \r |
1fef733c | 1221 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 1222 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r |
80408db0 | 1223 | VariableOffset = VariableHead->Offset;\r |
23f3e119 SZ |
1224 | Attributes = VariableHead->Attributes;\r |
1225 | Status = SetHiiVariable (Guid, Name, Attributes, Data, *Size, VariableOffset);\r | |
80408db0 | 1226 | break;\r |
d1102dba | 1227 | \r |
80408db0 | 1228 | case PCD_TYPE_DATA:\r |
1229 | if (PtrType) {\r | |
1230 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1231 | CopyMem (InternalData, Data, *Size);\r | |
1232 | Status = EFI_SUCCESS;\r | |
1233 | } else {\r | |
1234 | Status = EFI_INVALID_PARAMETER;\r | |
1235 | }\r | |
1236 | break;\r | |
1237 | }\r | |
1238 | \r | |
1239 | Status = EFI_SUCCESS;\r | |
1240 | switch (*Size) {\r | |
1241 | case sizeof(UINT8):\r | |
1242 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
1243 | break;\r | |
1244 | \r | |
1245 | case sizeof(UINT16):\r | |
1246 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
1247 | break;\r | |
1248 | \r | |
1249 | case sizeof(UINT32):\r | |
1250 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
1251 | break;\r | |
1252 | \r | |
1253 | case sizeof(UINT64):\r | |
1254 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
1255 | break;\r | |
1256 | \r | |
1257 | default:\r | |
1258 | ASSERT (FALSE);\r | |
1259 | Status = EFI_NOT_FOUND;\r | |
1260 | break;\r | |
1261 | }\r | |
1262 | break;\r | |
1263 | \r | |
1264 | default:\r | |
1265 | ASSERT (FALSE);\r | |
1266 | Status = EFI_NOT_FOUND;\r | |
1267 | break;\r | |
1268 | }\r | |
1269 | \r | |
1270 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
d1102dba | 1271 | \r |
80408db0 | 1272 | return Status;\r |
1273 | }\r | |
1274 | \r | |
2ab6330e | 1275 | /**\r |
1276 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 1277 | \r |
2ab6330e | 1278 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 1279 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 1280 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 1281 | \r |
2ab6330e | 1282 | @return PCD entry in PCD database.\r |
80408db0 | 1283 | \r |
2ab6330e | 1284 | **/\r |
80408db0 | 1285 | VOID *\r |
1286 | ExGetWorker (\r | |
1287 | IN CONST EFI_GUID *Guid,\r | |
1288 | IN UINTN ExTokenNumber,\r | |
1289 | IN UINTN GetSize\r | |
d1102dba | 1290 | )\r |
80408db0 | 1291 | {\r |
1292 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
1293 | }\r | |
1294 | \r | |
2ab6330e | 1295 | /**\r |
1296 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 1297 | \r |
2ab6330e | 1298 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
1299 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1300 | @param Data Value want to be set.\r | |
1301 | @param SetSize The size of value.\r | |
80408db0 | 1302 | \r |
2ab6330e | 1303 | @return status of ExSetWorker().\r |
80408db0 | 1304 | \r |
2ab6330e | 1305 | **/\r |
80408db0 | 1306 | EFI_STATUS\r |
1307 | ExSetValueWorker (\r | |
1308 | IN UINTN ExTokenNumber,\r | |
1309 | IN CONST EFI_GUID *Guid,\r | |
1310 | IN VOID *Data,\r | |
1311 | IN UINTN SetSize\r | |
1312 | )\r | |
1313 | {\r | |
1314 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
1315 | }\r | |
1316 | \r | |
2ab6330e | 1317 | /**\r |
419db80b | 1318 | Set value for a dynamic-ex PCD entry.\r |
d1102dba LG |
1319 | \r |
1320 | This routine find the local token number according to dynamic-ex PCD's token\r | |
2ab6330e | 1321 | space guid and token number firstly, and invoke callback function if this PCD\r |
1322 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
1323 | PCD value.\r | |
d1102dba | 1324 | \r |
2ab6330e | 1325 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
1326 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1327 | @param Data PCD value want to be set\r | |
1328 | @param SetSize Size of value.\r | |
1329 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
1330 | If FALSE, this PCD entry is not pointer type.\r | |
1331 | \r | |
1332 | @return status of SetWorker().\r | |
80408db0 | 1333 | \r |
2ab6330e | 1334 | **/\r |
80408db0 | 1335 | EFI_STATUS\r |
1336 | ExSetWorker (\r | |
1337 | IN UINTN ExTokenNumber,\r | |
1338 | IN CONST EFI_GUID *Guid,\r | |
1339 | IN VOID *Data,\r | |
1340 | IN OUT UINTN *SetSize,\r | |
1341 | IN BOOLEAN PtrType\r | |
1342 | )\r | |
1343 | {\r | |
1344 | UINTN TokenNumber;\r | |
d1102dba | 1345 | \r |
80408db0 | 1346 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r |
1347 | \r | |
1348 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
1349 | \r | |
1350 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
1351 | \r | |
1352 | }\r | |
1353 | \r | |
c73cf875 SZ |
1354 | /**\r |
1355 | Get variable size and data from HII-type PCDs.\r | |
1356 | \r | |
1357 | @param[in] VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1358 | @param[in] VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
1359 | @param[out] VariableSize Pointer to variable size got from HII-type PCDs.\r | |
1360 | @param[out] VariableData Pointer to variable data got from HII-type PCDs.\r | |
1361 | \r | |
1362 | **/\r | |
1363 | VOID\r | |
1364 | GetVariableSizeAndDataFromHiiPcd (\r | |
1365 | IN EFI_GUID *VariableGuid,\r | |
1366 | IN UINT16 *VariableName,\r | |
1367 | OUT UINTN *VariableSize,\r | |
1368 | OUT VOID *VariableData OPTIONAL\r | |
1369 | )\r | |
1370 | {\r | |
1371 | BOOLEAN IsPeiDb;\r | |
1372 | PCD_DATABASE_INIT *Database;\r | |
1373 | UINTN TokenNumber;\r | |
1374 | UINT32 LocalTokenNumber;\r | |
1375 | UINTN Offset;\r | |
1376 | EFI_GUID *GuidTable;\r | |
1377 | UINT8 *StringTable;\r | |
1378 | VARIABLE_HEAD *VariableHead;\r | |
1379 | EFI_GUID *Guid;\r | |
1380 | UINT16 *Name;\r | |
1381 | UINTN PcdDataSize;\r | |
1382 | UINTN Size;\r | |
1383 | UINT8 *VaraiableDefaultBuffer;\r | |
1384 | STRING_HEAD StringTableIdx;\r | |
1385 | \r | |
1386 | *VariableSize = 0;\r | |
1387 | \r | |
1388 | //\r | |
1389 | // Go through PCD database to find out DynamicHii PCDs.\r | |
1390 | //\r | |
1391 | for (TokenNumber = 1; TokenNumber <= mPcdTotalTokenCount; TokenNumber++) {\r | |
1392 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r | |
1393 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
1394 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r | |
1395 | if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r | |
1396 | //\r | |
1397 | // Get the Variable Guid and Name pointer.\r | |
1398 | //\r | |
1399 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1400 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r | |
1401 | StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r | |
1402 | GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r | |
1403 | Guid = GuidTable + VariableHead->GuidTableIndex;\r | |
1404 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r | |
1405 | if (CompareGuid (VariableGuid, Guid) && (StrCmp (VariableName, Name) == 0)) {\r | |
1406 | //\r | |
1407 | // It is the matched DynamicHii PCD.\r | |
1408 | //\r | |
1409 | PcdDataSize = DxePcdGetSize (TokenNumber);\r | |
1410 | Size = VariableHead->Offset + PcdDataSize;\r | |
1411 | if (Size > *VariableSize) {\r | |
1412 | *VariableSize = Size;\r | |
1413 | }\r | |
1414 | if (VariableData != NULL) {\r | |
1415 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r | |
1416 | //\r | |
1417 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of\r | |
1418 | // string array in string table.\r | |
1419 | //\r | |
1420 | StringTableIdx = *(STRING_HEAD *) ((UINT8 *) Database + VariableHead->DefaultValueOffset);\r | |
1421 | VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx);\r | |
1422 | } else {\r | |
1423 | VaraiableDefaultBuffer = (UINT8 *) Database + VariableHead->DefaultValueOffset;\r | |
1424 | }\r | |
1425 | CopyMem ((UINT8 *) VariableData + VariableHead->Offset, VaraiableDefaultBuffer, PcdDataSize);\r | |
1426 | }\r | |
1427 | }\r | |
1428 | }\r | |
1429 | }\r | |
1430 | }\r | |
1431 | \r | |
2ab6330e | 1432 | /**\r |
1433 | Set value for HII-type PCD.\r | |
80408db0 | 1434 | \r |
d1102dba | 1435 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of\r |
2ab6330e | 1436 | HII-type PCD is to visit this variable.\r |
d1102dba | 1437 | \r |
2ab6330e | 1438 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r |
1439 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
23f3e119 | 1440 | @param SetAttributes Attributes bitmask to set for the variable.\r |
2ab6330e | 1441 | @param Data Value want to be set.\r |
1442 | @param DataSize Size of value\r | |
1443 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 1444 | \r |
2ab6330e | 1445 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 1446 | \r |
2ab6330e | 1447 | **/\r |
80408db0 | 1448 | EFI_STATUS\r |
1449 | SetHiiVariable (\r | |
1450 | IN EFI_GUID *VariableGuid,\r | |
1451 | IN UINT16 *VariableName,\r | |
23f3e119 | 1452 | IN UINT32 SetAttributes,\r |
80408db0 | 1453 | IN CONST VOID *Data,\r |
1454 | IN UINTN DataSize,\r | |
1455 | IN UINTN Offset\r | |
1456 | )\r | |
1457 | {\r | |
1458 | UINTN Size;\r | |
1459 | VOID *Buffer;\r | |
1460 | EFI_STATUS Status;\r | |
1461 | UINT32 Attribute;\r | |
b13151ff | 1462 | UINTN SetSize;\r |
80408db0 | 1463 | \r |
1464 | Size = 0;\r | |
b13151ff | 1465 | SetSize = 0;\r |
80408db0 | 1466 | \r |
746be876 | 1467 | //\r |
1468 | // Try to get original variable size information.\r | |
1469 | //\r | |
80408db0 | 1470 | Status = gRT->GetVariable (\r |
1471 | (UINT16 *)VariableName,\r | |
1472 | VariableGuid,\r | |
1473 | NULL,\r | |
1474 | &Size,\r | |
1475 | NULL\r | |
1476 | );\r | |
d1102dba | 1477 | \r |
80408db0 | 1478 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
746be876 | 1479 | //\r |
1480 | // Patch new PCD's value to offset in given HII variable.\r | |
1481 | //\r | |
23f3e119 | 1482 | if (Size >= (DataSize + Offset)) {\r |
b13151ff LG |
1483 | SetSize = Size;\r |
1484 | } else {\r | |
1485 | SetSize = DataSize + Offset;\r | |
1486 | }\r | |
1487 | Buffer = AllocatePool (SetSize);\r | |
80408db0 | 1488 | ASSERT (Buffer != NULL);\r |
1489 | \r | |
1490 | Status = gRT->GetVariable (\r | |
1491 | VariableName,\r | |
1492 | VariableGuid,\r | |
1493 | &Attribute,\r | |
1494 | &Size,\r | |
1495 | Buffer\r | |
1496 | );\r | |
d1102dba | 1497 | \r |
80408db0 | 1498 | ASSERT_EFI_ERROR (Status);\r |
1499 | \r | |
1500 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1501 | \r | |
23f3e119 SZ |
1502 | if (SetAttributes == 0) {\r |
1503 | SetAttributes = Attribute;\r | |
1504 | }\r | |
1505 | \r | |
80408db0 | 1506 | Status = gRT->SetVariable (\r |
1507 | VariableName,\r | |
1508 | VariableGuid,\r | |
23f3e119 | 1509 | SetAttributes,\r |
b13151ff | 1510 | SetSize,\r |
80408db0 | 1511 | Buffer\r |
1512 | );\r | |
1513 | \r | |
1514 | FreePool (Buffer);\r | |
1515 | return Status;\r | |
746be876 | 1516 | } else if (Status == EFI_NOT_FOUND) {\r |
1517 | //\r | |
1518 | // If variable does not exist, a new variable need to be created.\r | |
1519 | //\r | |
c73cf875 SZ |
1520 | \r |
1521 | //\r | |
1522 | // Get size, allocate buffer and get data.\r | |
1523 | //\r | |
1524 | GetVariableSizeAndDataFromHiiPcd (VariableGuid, VariableName, &Size, NULL);\r | |
746be876 | 1525 | Buffer = AllocateZeroPool (Size);\r |
1526 | ASSERT (Buffer != NULL);\r | |
c73cf875 SZ |
1527 | GetVariableSizeAndDataFromHiiPcd (VariableGuid, VariableName, &Size, Buffer);\r |
1528 | \r | |
1529 | //\r | |
1530 | // Update buffer.\r | |
1531 | //\r | |
746be876 | 1532 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r |
23f3e119 SZ |
1533 | \r |
1534 | if (SetAttributes == 0) {\r | |
1535 | SetAttributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;\r | |
1536 | }\r | |
1537 | \r | |
746be876 | 1538 | Status = gRT->SetVariable (\r |
1539 | VariableName,\r | |
1540 | VariableGuid,\r | |
23f3e119 | 1541 | SetAttributes,\r |
746be876 | 1542 | Size,\r |
1543 | Buffer\r | |
1544 | );\r | |
1545 | \r | |
1546 | FreePool (Buffer);\r | |
d1102dba | 1547 | return Status;\r |
746be876 | 1548 | }\r |
d1102dba | 1549 | \r |
80408db0 | 1550 | //\r |
23f3e119 | 1551 | // If we drop to here, the value is failed to be written in to variable area.\r |
80408db0 | 1552 | //\r |
1553 | return Status;\r | |
1554 | }\r | |
1555 | \r | |
2ab6330e | 1556 | /**\r |
419db80b | 1557 | Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r |
80408db0 | 1558 | \r |
2ab6330e | 1559 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1560 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
419db80b | 1561 | space guid: token number} to Token Number.\r |
d1102dba | 1562 | \r |
2ab6330e | 1563 | @param Guid Token space guid for dynamic-ex PCD entry.\r |
b9982883 | 1564 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1565 | \r |
419db80b | 1566 | @return Token Number for dynamic-ex PCD.\r |
80408db0 | 1567 | \r |
2ab6330e | 1568 | **/\r |
d1102dba | 1569 | UINTN\r |
80408db0 | 1570 | GetExPcdTokenNumber (\r |
1571 | IN CONST EFI_GUID *Guid,\r | |
1572 | IN UINT32 ExTokenNumber\r | |
1573 | )\r | |
1574 | {\r | |
2ab6330e | 1575 | UINT32 Index;\r |
80408db0 | 1576 | DYNAMICEX_MAPPING *ExMap;\r |
1577 | EFI_GUID *GuidTable;\r | |
1578 | EFI_GUID *MatchGuid;\r | |
1579 | UINTN MatchGuidIdx;\r | |
1580 | \r | |
419db80b BF |
1581 | if (!mPeiDatabaseEmpty) {\r |
1582 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r | |
1583 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r | |
1584 | \r | |
1585 | MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r | |
1586 | \r | |
80408db0 | 1587 | if (MatchGuid != NULL) {\r |
1588 | \r | |
1589 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1590 | \r |
8cc87d32 | 1591 | for (Index = 0; Index < mPcdDatabase.PeiDb->ExTokenCount; Index++) {\r |
2ab6330e | 1592 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1593 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1594 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1595 | }\r |
1596 | }\r | |
1597 | }\r | |
1598 | }\r | |
80408db0 | 1599 | \r |
419db80b BF |
1600 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r |
1601 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r | |
1602 | \r | |
1603 | MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r | |
80408db0 | 1604 | //\r |
1605 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1606 | // error in the BUILD system.\r | |
1607 | //\r | |
1608 | ASSERT (MatchGuid != NULL);\r | |
1609 | \r | |
1610 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1611 | \r |
8cc87d32 | 1612 | for (Index = 0; Index < mPcdDatabase.DxeDb->ExTokenCount; Index++) {\r |
2ab6330e | 1613 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1614 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1615 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1616 | }\r |
1617 | }\r | |
1618 | \r | |
1619 | ASSERT (FALSE);\r | |
1620 | \r | |
1621 | return 0;\r | |
1622 | }\r | |
1623 | \r | |
2ab6330e | 1624 | /**\r |
3d53ba8b | 1625 | Wrapper function of getting index of PCD entry in size table.\r |
d1102dba | 1626 | \r |
2ab6330e | 1627 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1628 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1629 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1630 | \r | |
1631 | @return index of PCD entry in size table.\r | |
2ab6330e | 1632 | **/\r |
80408db0 | 1633 | UINTN\r |
3d53ba8b | 1634 | GetSizeTableIndex (\r |
1635 | IN UINTN LocalTokenNumberTableIdx,\r | |
1636 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1637 | )\r |
1638 | {\r | |
3d53ba8b | 1639 | UINT32 *LocalTokenNumberTable;\r |
1640 | UINTN LocalTokenNumber;\r | |
1641 | UINTN Index;\r | |
1642 | UINTN SizeTableIdx;\r | |
d1102dba | 1643 | \r |
3d53ba8b | 1644 | if (IsPeiDb) {\r |
419db80b | 1645 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1646 | } else {\r |
419db80b | 1647 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1648 | }\r |
1649 | \r | |
80408db0 | 1650 | SizeTableIdx = 0;\r |
1651 | \r | |
3d53ba8b | 1652 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1653 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1654 | \r |
1655 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1656 | //\r | |
d1102dba | 1657 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type\r |
80408db0 | 1658 | // PCD entry.\r |
1659 | //\r | |
2ab6330e | 1660 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1661 | //\r |
419db80b | 1662 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1663 | // 1) MAX Size.\r |
419db80b BF |
1664 | // 2) Current Size\r |
1665 | // Current size is equal to MAX size.\r | |
80408db0 | 1666 | //\r |
419db80b | 1667 | SizeTableIdx += 2;\r |
80408db0 | 1668 | } else {\r |
80408db0 | 1669 | //\r |
1670 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1671 | // 1) MAX SIZE\r | |
1672 | // 2) Current Size\r | |
1673 | //\r | |
1674 | SizeTableIdx += 2;\r | |
80408db0 | 1675 | }\r |
1676 | }\r | |
1677 | \r | |
1678 | }\r | |
1679 | \r | |
d1102dba | 1680 | return SizeTableIdx;\r |
80408db0 | 1681 | }\r |
1682 | \r | |
2ab6330e | 1683 | /**\r |
1684 | Get size of POINTER type PCD value.\r | |
1685 | \r | |
1686 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1687 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1688 | \r |
2ab6330e | 1689 | @return size of POINTER type PCD value.\r |
80408db0 | 1690 | \r |
2ab6330e | 1691 | **/\r |
80408db0 | 1692 | UINTN\r |
1693 | GetPtrTypeSize (\r | |
1694 | IN UINTN LocalTokenNumberTableIdx,\r | |
1695 | OUT UINTN *MaxSize\r | |
1696 | )\r | |
1697 | {\r | |
1698 | INTN SizeTableIdx;\r | |
1699 | UINTN LocalTokenNumber;\r | |
80408db0 | 1700 | SIZE_INFO *SizeTable;\r |
80408db0 | 1701 | BOOLEAN IsPeiDb;\r |
1702 | UINT32 *LocalTokenNumberTable;\r | |
1703 | \r | |
1704 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 1705 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1706 | // comparison.\r |
419db80b | 1707 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1708 | \r |
1709 | \r | |
1710 | if (IsPeiDb) {\r | |
419db80b BF |
1711 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1712 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1713 | } else {\r |
419db80b BF |
1714 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1715 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1716 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1717 | }\r |
1718 | \r | |
1719 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1720 | \r | |
1721 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
d1102dba | 1722 | \r |
80408db0 | 1723 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r |
1724 | \r | |
1725 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1726 | //\r | |
d1102dba | 1727 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type\r |
80408db0 | 1728 | // PCD entry.\r |
1729 | //\r | |
2ab6330e | 1730 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1731 | //\r |
419db80b | 1732 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1733 | // 1) MAX Size.\r |
419db80b | 1734 | // 2) Current Size\r |
80408db0 | 1735 | // We consider current size is equal to MAX size.\r |
1736 | //\r | |
1737 | return *MaxSize;\r | |
1738 | } else {\r | |
80408db0 | 1739 | //\r |
1740 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1741 | // 1) MAX SIZE\r | |
1742 | // 2) Current Size\r | |
1743 | //\r | |
1744 | return SizeTable[SizeTableIdx + 1];\r | |
80408db0 | 1745 | }\r |
1746 | }\r | |
1747 | \r | |
2ab6330e | 1748 | /**\r |
3fd8027e | 1749 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1750 | of this PCD value.\r |
80408db0 | 1751 | \r |
2ab6330e | 1752 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1753 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1754 | \r |
2ab6330e | 1755 | @retval TRUE Success to set size of PCD value.\r |
1756 | @retval FALSE Fail to set size of PCD value.\r | |
1757 | **/\r | |
80408db0 | 1758 | BOOLEAN\r |
1759 | SetPtrTypeSize (\r | |
1760 | IN UINTN LocalTokenNumberTableIdx,\r | |
1761 | IN OUT UINTN *CurrentSize\r | |
1762 | )\r | |
1763 | {\r | |
1764 | INTN SizeTableIdx;\r | |
1765 | UINTN LocalTokenNumber;\r | |
80408db0 | 1766 | SIZE_INFO *SizeTable;\r |
80408db0 | 1767 | UINTN MaxSize;\r |
1768 | BOOLEAN IsPeiDb;\r | |
1769 | UINT32 *LocalTokenNumberTable;\r | |
1770 | \r | |
2ab6330e | 1771 | //\r |
80408db0 | 1772 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 1773 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1774 | // comparison.\r |
2ab6330e | 1775 | //\r |
419db80b | 1776 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1777 | \r |
1778 | if (IsPeiDb) {\r | |
419db80b BF |
1779 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1780 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1781 | } else {\r |
419db80b BF |
1782 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1783 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1784 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1785 | }\r |
1786 | \r | |
1787 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1788 | \r | |
1789 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
d1102dba | 1790 | \r |
80408db0 | 1791 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r |
1792 | \r | |
1793 | MaxSize = SizeTable[SizeTableIdx];\r | |
1794 | //\r | |
d1102dba | 1795 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type\r |
80408db0 | 1796 | // PCD entry.\r |
1797 | //\r | |
2ab6330e | 1798 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1799 | //\r |
1800 | // We shouldn't come here as we don't support SET for VPD\r | |
1801 | //\r | |
1802 | ASSERT (FALSE);\r | |
1803 | return FALSE;\r | |
1804 | } else {\r | |
1805 | if ((*CurrentSize > MaxSize) ||\r | |
1806 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1807 | *CurrentSize = MaxSize;\r | |
1808 | return FALSE;\r | |
d1102dba LG |
1809 | }\r |
1810 | \r | |
7c736265 LG |
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 | |
80408db0 | 1818 | }\r |
1819 | }\r | |
23f3e119 SZ |
1820 | \r |
1821 | /**\r | |
1822 | VariableLock DynamicHiiPcd.\r | |
1823 | \r | |
1824 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
1825 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1826 | @param[in] VariableLock Pointer to VariableLockProtocol.\r | |
1827 | \r | |
1828 | **/\r | |
1829 | VOID\r | |
1830 | VariableLockDynamicHiiPcd (\r | |
1831 | IN BOOLEAN IsPeiDb,\r | |
1832 | IN EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock\r | |
1833 | )\r | |
1834 | {\r | |
1835 | EFI_STATUS Status;\r | |
1836 | PCD_DATABASE_INIT *Database;\r | |
d1102dba | 1837 | UINT32 LocalTokenCount;\r |
23f3e119 SZ |
1838 | UINTN TokenNumber;\r |
1839 | UINT32 LocalTokenNumber;\r | |
1840 | UINTN Offset;\r | |
1841 | EFI_GUID *GuidTable;\r | |
1842 | UINT8 *StringTable;\r | |
1843 | VARIABLE_HEAD *VariableHead;\r | |
1844 | EFI_GUID *Guid;\r | |
1845 | UINT16 *Name;\r | |
1846 | \r | |
1847 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
1848 | LocalTokenCount = IsPeiDb ? mPeiLocalTokenCount: mDxeLocalTokenCount;\r | |
1849 | \r | |
1850 | //\r | |
1851 | // Go through PCD database to find out DynamicHii PCDs.\r | |
1852 | //\r | |
a856128a | 1853 | for (TokenNumber = 1; TokenNumber <= LocalTokenCount; TokenNumber++) {\r |
23f3e119 SZ |
1854 | if (IsPeiDb) {\r |
1855 | LocalTokenNumber = GetLocalTokenNumber (TRUE, TokenNumber);\r | |
1856 | } else {\r | |
1857 | LocalTokenNumber = GetLocalTokenNumber (FALSE, TokenNumber + mPeiLocalTokenCount);\r | |
1858 | }\r | |
1859 | if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r | |
1860 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1861 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r | |
1862 | //\r | |
1863 | // Why not to set property by VarCheckProtocol with Attributes and Property directly here?\r | |
1864 | // It is because that set property by VarCheckProtocol will indicate the variable to\r | |
1865 | // be a system variable, but the unknown max size of the variable is dangerous to\r | |
1866 | // the system variable region.\r | |
1867 | //\r | |
1868 | if ((VariableHead->Property & VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY) != 0) {\r | |
1869 | //\r | |
1870 | // DynamicHii PCD with RO property set in *.dsc.\r | |
1871 | //\r | |
1872 | StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r | |
1873 | GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r | |
1874 | Guid = GuidTable + VariableHead->GuidTableIndex;\r | |
1875 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r | |
1876 | Status = VariableLock->RequestToLock (VariableLock, Name, Guid);\r | |
1877 | ASSERT_EFI_ERROR (Status);\r | |
1878 | }\r | |
1879 | }\r | |
1880 | }\r | |
1881 | }\r | |
1882 | \r | |
1883 | /**\r | |
1884 | VariableLockProtocol callback\r | |
1885 | to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r | |
1886 | \r | |
1887 | @param[in] Event Event whose notification function is being invoked.\r | |
1888 | @param[in] Context Pointer to the notification function's context.\r | |
1889 | \r | |
1890 | **/\r | |
1891 | VOID\r | |
1892 | EFIAPI\r | |
1893 | VariableLockCallBack (\r | |
1894 | IN EFI_EVENT Event,\r | |
1895 | IN VOID *Context\r | |
1896 | )\r | |
1897 | {\r | |
1898 | EFI_STATUS Status;\r | |
1899 | EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;\r | |
1900 | \r | |
1901 | Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);\r | |
1902 | if (!EFI_ERROR (Status)) {\r | |
1903 | VariableLockDynamicHiiPcd (TRUE, VariableLock);\r | |
1904 | VariableLockDynamicHiiPcd (FALSE, VariableLock);\r | |
1905 | }\r | |
1906 | }\r | |
1907 | \r |