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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 | |
16f69227 | 438 | RetPtr = (VOID *) ((UINTN) PcdGet32 (PcdVpdBaseAddress) + VpdHead->Offset);\r |
419db80b | 439 | \r |
80408db0 | 440 | break;\r |
419db80b | 441 | \r |
6ac15f7c | 442 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 443 | case PCD_TYPE_HII:\r |
309e3122 | 444 | if (IsPeiDb) {\r |
419db80b | 445 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 446 | } else {\r |
419db80b | 447 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 448 | }\r |
419db80b | 449 | \r |
80408db0 | 450 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
1fef733c | 451 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 452 | Name = (UINT16*)(StringTable + VariableHead->StringIndex);\r |
419db80b | 453 | \r |
6ac15f7c | 454 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
419db80b | 455 | //\r |
d1102dba | 456 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of\r |
419db80b BF |
457 | // string array in string table.\r |
458 | //\r | |
d1102dba LG |
459 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset);\r |
460 | VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx);\r | |
6ac15f7c | 461 | } else {\r |
462 | VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;\r | |
419db80b BF |
463 | }\r |
464 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
465 | if (Status == EFI_SUCCESS) {\r | |
553e8669 SZ |
466 | if (DataSize >= (VariableHead->Offset + GetSize)) {\r |
467 | if (GetSize == 0) {\r | |
468 | //\r | |
469 | // It is a pointer type. So get the MaxSize reserved for\r | |
470 | // this PCD entry.\r | |
471 | //\r | |
472 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r | |
473 | if (GetSize > (DataSize - VariableHead->Offset)) {\r | |
474 | //\r | |
475 | // Use actual valid size.\r | |
476 | //\r | |
477 | GetSize = DataSize - VariableHead->Offset;\r | |
478 | }\r | |
479 | }\r | |
0b1ef275 | 480 | //\r |
553e8669 SZ |
481 | // If the operation is successful, we copy the data\r |
482 | // to the default value buffer in the PCD Database.\r | |
483 | // So that we can free the Data allocated in GetHiiVariable.\r | |
0b1ef275 | 484 | //\r |
553e8669 | 485 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r |
6ac15f7c | 486 | }\r |
419db80b | 487 | FreePool (Data);\r |
80408db0 | 488 | }\r |
419db80b | 489 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r |
80408db0 | 490 | break;\r |
491 | \r | |
492 | case PCD_TYPE_STRING:\r | |
6cfc7292 | 493 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + Offset);\r |
1fef733c | 494 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 495 | break;\r |
496 | \r | |
497 | case PCD_TYPE_DATA:\r | |
498 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
499 | break;\r | |
500 | \r | |
501 | default:\r | |
502 | ASSERT (FALSE);\r | |
503 | break;\r | |
d1102dba | 504 | \r |
80408db0 | 505 | }\r |
506 | \r | |
507 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
419db80b | 508 | \r |
80408db0 | 509 | return RetPtr;\r |
419db80b | 510 | \r |
80408db0 | 511 | }\r |
512 | \r | |
2ab6330e | 513 | /**\r |
514 | Register the callback function for a PCD entry.\r | |
515 | \r | |
516 | This routine will register a callback function to a PCD entry by given token number\r | |
517 | and token space guid.\r | |
d1102dba | 518 | \r |
2ab6330e | 519 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
d1102dba | 520 | @param Guid PCD token space's guid,\r |
2ab6330e | 521 | if not NULL, this PCD is dynamicEx type PCD.\r |
522 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 523 | \r |
2ab6330e | 524 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 525 | \r |
2ab6330e | 526 | **/\r |
80408db0 | 527 | EFI_STATUS\r |
528 | DxeRegisterCallBackWorker (\r | |
529 | IN UINTN TokenNumber,\r | |
2ab6330e | 530 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 531 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
532 | )\r | |
533 | {\r | |
534 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
535 | LIST_ENTRY *ListHead;\r | |
536 | LIST_ENTRY *ListNode;\r | |
537 | \r | |
538 | if (Guid != NULL) {\r | |
539 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
540 | }\r | |
541 | \r | |
542 | //\r | |
543 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
544 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 545 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 546 | //\r |
b07a5b68 | 547 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 548 | ListNode = GetFirstNode (ListHead);\r |
549 | \r | |
550 | while (ListNode != ListHead) {\r | |
551 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
552 | \r | |
553 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
554 | //\r | |
555 | // We only allow a Callback function to be register once\r | |
556 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
557 | //\r | |
558 | return EFI_SUCCESS;\r | |
559 | }\r | |
560 | ListNode = GetNextNode (ListHead, ListNode);\r | |
561 | }\r | |
562 | \r | |
563 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
564 | ASSERT (FnTableEntry != NULL);\r | |
565 | \r | |
566 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
567 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
d1102dba | 568 | \r |
80408db0 | 569 | return EFI_SUCCESS;\r |
570 | }\r | |
571 | \r | |
2ab6330e | 572 | /**\r |
573 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 574 | \r |
2ab6330e | 575 | This routine will unregister a callback function to a PCD entry by given token number\r |
576 | and token space guid.\r | |
80408db0 | 577 | \r |
2ab6330e | 578 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
579 | @param Guid PCD token space's guid.\r | |
580 | if not NULL, this PCD is dynamicEx type PCD.\r | |
581 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 582 | \r |
2ab6330e | 583 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
584 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
585 | **/\r | |
80408db0 | 586 | EFI_STATUS\r |
587 | DxeUnRegisterCallBackWorker (\r | |
588 | IN UINTN TokenNumber,\r | |
2ab6330e | 589 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 590 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
591 | )\r | |
592 | {\r | |
593 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
594 | LIST_ENTRY *ListHead;\r | |
595 | LIST_ENTRY *ListNode;\r | |
596 | \r | |
597 | if (Guid != NULL) {\r | |
598 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
599 | }\r | |
600 | \r | |
601 | //\r | |
602 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
603 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 604 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 605 | //\r |
b07a5b68 | 606 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 607 | ListNode = GetFirstNode (ListHead);\r |
608 | \r | |
609 | while (ListNode != ListHead) {\r | |
610 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
611 | \r | |
612 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
613 | //\r | |
614 | // We only allow a Callback function to be register once\r | |
615 | // for a TokenNumber. So we can safely remove the Node from\r | |
616 | // the Link List and return EFI_SUCCESS.\r | |
617 | //\r | |
618 | RemoveEntryList (ListNode);\r | |
619 | FreePool (FnTableEntry);\r | |
d1102dba | 620 | \r |
80408db0 | 621 | return EFI_SUCCESS;\r |
622 | }\r | |
623 | ListNode = GetNextNode (ListHead, ListNode);\r | |
624 | }\r | |
625 | \r | |
626 | return EFI_INVALID_PARAMETER;\r | |
627 | }\r | |
628 | \r | |
2ab6330e | 629 | /**\r |
630 | Get next token number in given token space.\r | |
d1102dba | 631 | \r |
2ab6330e | 632 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r |
d1102dba LG |
633 | table to get token space according to given token space guid. Then scan given\r |
634 | token number in found token space, if found, then return next token number in\r | |
2ab6330e | 635 | this token space.\r |
636 | \r | |
d1102dba | 637 | @param Guid Token space guid. Next token number will be scaned in\r |
2ab6330e | 638 | this token space.\r |
d1102dba LG |
639 | @param TokenNumber Token number.\r |
640 | If PCD_INVALID_TOKEN_NUMBER, return first token number in\r | |
2ab6330e | 641 | token space table.\r |
642 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
643 | in token space table.\r | |
644 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
645 | by given token space guid.\r | |
646 | @param SizeOfGuidTable The size of guid table.\r | |
647 | @param ExMapTable DynamicEx token number mapping table.\r | |
648 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
649 | \r | |
650 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
651 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 652 | \r |
2ab6330e | 653 | **/\r |
80408db0 | 654 | EFI_STATUS\r |
655 | ExGetNextTokeNumber (\r | |
656 | IN CONST EFI_GUID *Guid,\r | |
657 | IN OUT UINTN *TokenNumber,\r | |
658 | IN EFI_GUID *GuidTable,\r | |
659 | IN UINTN SizeOfGuidTable,\r | |
660 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
661 | IN UINTN SizeOfExMapTable\r | |
662 | )\r | |
663 | {\r | |
664 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 665 | UINTN Index;\r |
80408db0 | 666 | UINTN GuidTableIdx;\r |
667 | BOOLEAN Found;\r | |
419db80b | 668 | UINTN ExMapTableCount;\r |
80408db0 | 669 | \r |
2ab6330e | 670 | //\r |
d1102dba LG |
671 | // Scan token space guid\r |
672 | //\r | |
80408db0 | 673 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
674 | if (MatchGuid == NULL) {\r | |
675 | return EFI_NOT_FOUND;\r | |
676 | }\r | |
677 | \r | |
2ab6330e | 678 | //\r |
679 | // Find the token space table in dynamicEx mapping table.\r | |
680 | //\r | |
80408db0 | 681 | Found = FALSE;\r |
682 | GuidTableIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
683 | ExMapTableCount = SizeOfExMapTable / sizeof(ExMapTable[0]);\r |
684 | for (Index = 0; Index < ExMapTableCount; Index++) {\r | |
2ab6330e | 685 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 686 | Found = TRUE;\r |
687 | break;\r | |
688 | }\r | |
689 | }\r | |
690 | \r | |
691 | if (Found) {\r | |
2ab6330e | 692 | //\r |
693 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
694 | // token number in found token space.\r | |
695 | //\r | |
80408db0 | 696 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 697 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 698 | return EFI_SUCCESS;\r |
699 | }\r | |
700 | \r | |
419db80b | 701 | for ( ; Index < ExMapTableCount; Index++) {\r |
bfb4c2ba | 702 | if ((ExMapTable[Index].ExTokenNumber == *TokenNumber) && (ExMapTable[Index].ExGuidIndex == GuidTableIdx)) {\r |
419db80b BF |
703 | break;\r |
704 | }\r | |
705 | }\r | |
706 | \r | |
707 | while (Index < ExMapTableCount) {\r | |
708 | Index++;\r | |
709 | if (Index == ExMapTableCount) {\r | |
710 | //\r | |
711 | // Exceed the length of ExMap Table\r | |
712 | //\r | |
713 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
714 | return EFI_NOT_FOUND;\r | |
715 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
716 | //\r | |
717 | // Found the next match\r | |
718 | //\r | |
719 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
720 | return EFI_SUCCESS;\r | |
80408db0 | 721 | }\r |
722 | }\r | |
723 | }\r | |
419db80b | 724 | \r |
80408db0 | 725 | return EFI_NOT_FOUND;\r |
726 | }\r | |
80408db0 | 727 | \r |
419db80b BF |
728 | /**\r |
729 | Find the PCD database.\r | |
730 | \r | |
731 | @retval The base address of external PCD database binary.\r | |
732 | @retval NULL Return NULL if not find.\r | |
733 | **/\r | |
734 | DXE_PCD_DATABASE *\r | |
735 | LocateExPcdBinary (\r | |
736 | VOID\r | |
d1102dba | 737 | )\r |
419db80b | 738 | {\r |
419db80b | 739 | EFI_STATUS Status;\r |
d1102dba | 740 | \r |
419db80b | 741 | //\r |
d1102dba | 742 | // Search the External Pcd database from one section of current FFS,\r |
419db80b BF |
743 | // and read it to memory\r |
744 | //\r | |
745 | Status = GetSectionFromFfs (\r | |
746 | EFI_SECTION_RAW,\r | |
747 | 0,\r | |
7c736265 LG |
748 | (VOID **) &mDxePcdDbBinary,\r |
749 | &mDxePcdDbSize\r | |
419db80b BF |
750 | );\r |
751 | ASSERT_EFI_ERROR (Status);\r | |
752 | \r | |
753 | //\r | |
754 | // Check the first bytes (Header Signature Guid) and build version.\r | |
755 | //\r | |
7c736265 LG |
756 | if (!CompareGuid ((VOID *)mDxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r |
757 | (mDxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r | |
419db80b BF |
758 | ASSERT (FALSE);\r |
759 | }\r | |
760 | \r | |
7c736265 LG |
761 | return mDxePcdDbBinary;\r |
762 | }\r | |
763 | \r | |
764 | /**\r | |
765 | Update PCD database base on current SkuId\r | |
766 | \r | |
767 | @param SkuId Current SkuId\r | |
768 | @param IsPeiDb Whether to update PEI PCD database.\r | |
769 | \r | |
770 | @retval EFI_SUCCESS Update PCD database successfully.\r | |
771 | @retval EFI_NOT_FOUND Not found PCD database for current SkuId.\r | |
772 | **/\r | |
773 | EFI_STATUS\r | |
774 | UpdatePcdDatabase (\r | |
775 | IN SKU_ID SkuId,\r | |
776 | IN BOOLEAN IsPeiDb\r | |
777 | )\r | |
778 | {\r | |
779 | UINTN Index;\r | |
780 | PCD_DATABASE_SKU_DELTA *SkuDelta;\r | |
781 | PCD_DATA_DELTA *SkuDeltaData;\r | |
782 | \r | |
783 | if (IsPeiDb && mPeiPcdDbBinary != NULL) {\r | |
784 | //\r | |
785 | // Find the delta data for PEI DB\r | |
786 | //\r | |
787 | Index = (mPcdDatabase.PeiDb->Length + 7) & (~7);\r | |
788 | SkuDelta = NULL;\r | |
789 | while (Index < mPeiPcdDbSize) {\r | |
790 | SkuDelta = (PCD_DATABASE_SKU_DELTA *) ((UINT8 *) mPeiPcdDbBinary + Index);\r | |
f0c69b61 | 791 | if (SkuDelta->SkuId == SkuId && SkuDelta->SkuIdCompared == 0) {\r |
7c736265 LG |
792 | break;\r |
793 | }\r | |
794 | Index = (Index + SkuDelta->Length + 7) & (~7);\r | |
795 | }\r | |
796 | \r | |
797 | //\r | |
798 | // Patch the delta data into current PCD database\r | |
799 | //\r | |
800 | if (Index < mPeiPcdDbSize && SkuDelta != NULL) {\r | |
801 | SkuDeltaData = (PCD_DATA_DELTA *) (SkuDelta + 1);\r | |
802 | while ((UINT8 *) SkuDeltaData < (UINT8 *) SkuDelta + SkuDelta->Length) {\r | |
803 | *((UINT8 *) mPcdDatabase.PeiDb + SkuDeltaData->Offset) = (UINT8) SkuDeltaData->Value;\r | |
804 | SkuDeltaData ++;\r | |
805 | }\r | |
806 | } else {\r | |
807 | return EFI_NOT_FOUND;\r | |
808 | }\r | |
809 | }\r | |
810 | \r | |
811 | //\r | |
812 | // Find the delta data for DXE DB\r | |
813 | //\r | |
814 | Index = (mPcdDatabase.DxeDb->Length + 7) & (~7);\r | |
815 | SkuDelta = NULL;\r | |
816 | while (Index < mDxePcdDbSize) {\r | |
817 | SkuDelta = (PCD_DATABASE_SKU_DELTA *) ((UINT8 *) mDxePcdDbBinary + Index);\r | |
818 | if (SkuDelta->SkuId == SkuId && SkuDelta->SkuIdCompared == 0) {\r | |
819 | break;\r | |
820 | }\r | |
821 | Index = (Index + SkuDelta->Length + 7) & (~7);\r | |
822 | }\r | |
823 | \r | |
824 | //\r | |
825 | // Patch the delta data into current PCD database\r | |
826 | //\r | |
827 | if (Index < mDxePcdDbSize && SkuDelta != NULL) {\r | |
828 | SkuDeltaData = (PCD_DATA_DELTA *) (SkuDelta + 1);\r | |
829 | while ((UINT8 *) SkuDeltaData < (UINT8 *) SkuDelta + SkuDelta->Length) {\r | |
830 | *((UINT8 *) mPcdDatabase.DxeDb + SkuDeltaData->Offset) = (UINT8) SkuDeltaData->Value;\r | |
831 | SkuDeltaData ++;\r | |
832 | }\r | |
833 | return EFI_SUCCESS;\r | |
834 | }\r | |
835 | \r | |
836 | return EFI_NOT_FOUND;\r | |
419db80b | 837 | }\r |
80408db0 | 838 | \r |
2ab6330e | 839 | /**\r |
840 | Initialize the PCD database in DXE phase.\r | |
d1102dba | 841 | \r |
2ab6330e | 842 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r |
843 | from GUID Hob.\r | |
80408db0 | 844 | \r |
2ab6330e | 845 | **/\r |
80408db0 | 846 | VOID\r |
847 | BuildPcdDxeDataBase (\r | |
848 | VOID\r | |
849 | )\r | |
850 | {\r | |
851 | PEI_PCD_DATABASE *PeiDatabase;\r | |
852 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 853 | UINTN Index;\r |
419db80b BF |
854 | UINT32 PcdDxeDbLen;\r |
855 | VOID *PcdDxeDb;\r | |
7c736265 | 856 | EFI_STATUS Status;\r |
80408db0 | 857 | \r |
efd6b412 SZ |
858 | //\r |
859 | // Assign PCD Entries with default value to PCD DATABASE\r | |
860 | //\r | |
861 | mPcdDatabase.DxeDb = LocateExPcdBinary ();\r | |
862 | ASSERT(mPcdDatabase.DxeDb != NULL);\r | |
863 | PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r | |
864 | PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r | |
865 | ASSERT (PcdDxeDb != NULL);\r | |
866 | CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r | |
efd6b412 SZ |
867 | mPcdDatabase.DxeDb = PcdDxeDb;\r |
868 | \r | |
80408db0 | 869 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
870 | if (GuidHob != NULL) {\r | |
871 | \r | |
d1102dba | 872 | //\r |
80408db0 | 873 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r |
874 | // should not be included at all. So the GuidHob could\r | |
875 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
876 | // Value to PCD Database.\r | |
877 | //\r | |
80408db0 | 878 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r |
7c736265 LG |
879 | \r |
880 | //\r | |
881 | // Get next one that stores full PEI data\r | |
882 | //\r | |
883 | GuidHob = GetNextGuidHob (&gPcdDataBaseHobGuid, GET_NEXT_HOB (GuidHob));\r | |
884 | if (GuidHob != NULL) {\r | |
885 | mPeiPcdDbBinary = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
886 | mPeiPcdDbSize = (UINTN) GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
887 | }\r | |
888 | \r | |
80408db0 | 889 | //\r |
419db80b | 890 | // Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r |
80408db0 | 891 | //\r |
419db80b | 892 | mPcdDatabase.PeiDb = PeiDatabase;\r |
efd6b412 SZ |
893 | //\r |
894 | // Inherit the SystemSkuId from PEI phase.\r | |
895 | //\r | |
7c736265 LG |
896 | if (mPcdDatabase.PeiDb->SystemSkuId != 0) {\r |
897 | Status = UpdatePcdDatabase (mPcdDatabase.PeiDb->SystemSkuId, FALSE);\r | |
898 | ASSERT_EFI_ERROR (Status);\r | |
899 | }\r | |
efd6b412 SZ |
900 | mPcdDatabase.DxeDb->SystemSkuId = mPcdDatabase.PeiDb->SystemSkuId;\r |
901 | } else {\r | |
902 | mPcdDatabase.PeiDb = AllocateZeroPool (sizeof (PEI_PCD_DATABASE));\r | |
903 | ASSERT(mPcdDatabase.PeiDb != NULL);\r | |
80408db0 | 904 | }\r |
905 | \r | |
419db80b BF |
906 | //\r |
907 | // Initialized the external PCD database local variables\r | |
908 | //\r | |
909 | mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r | |
910 | mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r | |
911 | \r | |
912 | mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
913 | mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
914 | mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r | |
915 | mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r | |
916 | \r | |
917 | mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r | |
918 | mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r | |
d1102dba | 919 | mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount;\r |
419db80b BF |
920 | \r |
921 | mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
922 | mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
923 | mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r | |
924 | \r | |
925 | TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r | |
926 | TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r | |
80408db0 | 927 | \r |
928 | //\r | |
929 | // Initialized the Callback Function Table\r | |
930 | //\r | |
419db80b | 931 | mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r |
3fd8027e | 932 | ASSERT(mCallbackFnTable != NULL);\r |
419db80b BF |
933 | \r |
934 | //\r | |
80408db0 | 935 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 936 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 937 | // comparison.\r |
419db80b BF |
938 | //\r |
939 | for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r | |
2ab6330e | 940 | InitializeListHead (&mCallbackFnTable[Index]);\r |
80408db0 | 941 | }\r |
80408db0 | 942 | }\r |
943 | \r | |
2ab6330e | 944 | /**\r |
945 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 946 | \r |
2ab6330e | 947 | @param VariableGuid Variable's guid\r |
948 | @param VariableName Variable's unicode name string\r | |
d1102dba | 949 | @param VariableData Variable's data pointer,\r |
2ab6330e | 950 | @param VariableSize Variable's size.\r |
80408db0 | 951 | \r |
2ab6330e | 952 | @return the status of gRT->GetVariable\r |
953 | **/\r | |
80408db0 | 954 | EFI_STATUS\r |
955 | GetHiiVariable (\r | |
956 | IN EFI_GUID *VariableGuid,\r | |
957 | IN UINT16 *VariableName,\r | |
958 | OUT UINT8 **VariableData,\r | |
959 | OUT UINTN *VariableSize\r | |
960 | )\r | |
961 | {\r | |
962 | UINTN Size;\r | |
963 | EFI_STATUS Status;\r | |
964 | UINT8 *Buffer;\r | |
965 | \r | |
966 | Size = 0;\r | |
967 | Buffer = NULL;\r | |
d1102dba | 968 | \r |
2ab6330e | 969 | //\r |
970 | // Firstly get the real size of HII variable\r | |
971 | //\r | |
80408db0 | 972 | Status = gRT->GetVariable (\r |
973 | (UINT16 *)VariableName,\r | |
974 | VariableGuid,\r | |
975 | NULL,\r | |
976 | &Size,\r | |
977 | Buffer\r | |
978 | );\r | |
d1102dba | 979 | \r |
2ab6330e | 980 | //\r |
981 | // Allocate buffer to hold whole variable data according to variable size.\r | |
982 | //\r | |
80408db0 | 983 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
984 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
985 | \r | |
986 | ASSERT (Buffer != NULL);\r | |
987 | \r | |
988 | Status = gRT->GetVariable (\r | |
989 | VariableName,\r | |
990 | VariableGuid,\r | |
991 | NULL,\r | |
992 | &Size,\r | |
993 | Buffer\r | |
994 | );\r | |
995 | \r | |
996 | ASSERT (Status == EFI_SUCCESS);\r | |
997 | *VariableData = Buffer;\r | |
998 | *VariableSize = Size;\r | |
0b1ef275 LG |
999 | } else {\r |
1000 | //\r | |
d1102dba | 1001 | // Use Default Data only when variable is not found.\r |
0b1ef275 LG |
1002 | // For other error status, correct data can't be got, and trig ASSERT().\r |
1003 | //\r | |
1004 | ASSERT (Status == EFI_NOT_FOUND);\r | |
80408db0 | 1005 | }\r |
1006 | \r | |
1007 | return Status;\r | |
1008 | }\r | |
1009 | \r | |
2ab6330e | 1010 | /**\r |
d1102dba | 1011 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry\r |
2ab6330e | 1012 | has registered callback function.\r |
80408db0 | 1013 | \r |
2ab6330e | 1014 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
1015 | type PCD.\r | |
1016 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
1017 | PCD.\r | |
1018 | @param TokenNumber PCD token number generated by build tools.\r | |
1019 | @param Data Value want to be set for this PCD entry\r | |
1020 | @param Size The size of value\r | |
80408db0 | 1021 | \r |
2ab6330e | 1022 | **/\r |
80408db0 | 1023 | VOID\r |
1024 | InvokeCallbackOnSet (\r | |
1025 | UINT32 ExTokenNumber,\r | |
1026 | CONST EFI_GUID *Guid, OPTIONAL\r | |
1027 | UINTN TokenNumber,\r | |
1028 | VOID *Data,\r | |
1029 | UINTN Size\r | |
1030 | )\r | |
1031 | {\r | |
1032 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
1033 | LIST_ENTRY *ListHead;\r | |
1034 | LIST_ENTRY *ListNode;\r | |
1035 | \r | |
1036 | //\r | |
1037 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1038 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 1039 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 1040 | //\r |
b07a5b68 | 1041 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 1042 | ListNode = GetFirstNode (ListHead);\r |
1043 | \r | |
1044 | while (ListNode != ListHead) {\r | |
b07a5b68 | 1045 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r |
80408db0 | 1046 | \r |
d1102dba | 1047 | FnTableEntry->CallbackFn(Guid,\r |
80408db0 | 1048 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r |
1049 | Data,\r | |
1050 | Size);\r | |
d1102dba | 1051 | \r |
80408db0 | 1052 | ListNode = GetNextNode (ListHead, ListNode);\r |
1053 | }\r | |
d1102dba | 1054 | \r |
80408db0 | 1055 | return;\r |
1056 | }\r | |
1057 | \r | |
1058 | \r | |
2ab6330e | 1059 | /**\r |
1060 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
1061 | \r | |
1062 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1063 | @param Data Value want to be set for PCD entry\r | |
1064 | @param Size Size of value.\r | |
1065 | \r | |
1066 | @return status of SetWorker.\r | |
1067 | \r | |
1068 | **/\r | |
80408db0 | 1069 | EFI_STATUS\r |
1070 | SetValueWorker (\r | |
1071 | IN UINTN TokenNumber,\r | |
1072 | IN VOID *Data,\r | |
1073 | IN UINTN Size\r | |
1074 | )\r | |
1075 | {\r | |
1076 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
1077 | }\r | |
1078 | \r | |
1079 | \r | |
2ab6330e | 1080 | /**\r |
1081 | Set value for an PCD entry\r | |
1082 | \r | |
1083 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1084 | @param Data Value want to be set for PCD entry\r | |
1085 | @param Size Size of value.\r | |
1086 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
1087 | If False, the type of PCD entry's value is not Pointer.\r | |
1088 | \r | |
1089 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
1090 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
d1102dba | 1091 | @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database.\r |
2ab6330e | 1092 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r |
1093 | range of UINT8, UINT16, UINT32, UINT64\r | |
d1102dba | 1094 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number.\r |
2ab6330e | 1095 | **/\r |
80408db0 | 1096 | EFI_STATUS\r |
1097 | SetWorker (\r | |
1098 | IN UINTN TokenNumber,\r | |
1099 | IN VOID *Data,\r | |
1100 | IN OUT UINTN *Size,\r | |
1101 | IN BOOLEAN PtrType\r | |
1102 | )\r | |
1103 | {\r | |
80408db0 | 1104 | BOOLEAN IsPeiDb;\r |
1105 | UINT32 LocalTokenNumber;\r | |
1106 | EFI_GUID *GuidTable;\r | |
d0965169 | 1107 | UINT8 *StringTable;\r |
80408db0 | 1108 | EFI_GUID *Guid;\r |
1109 | UINT16 *Name;\r | |
1110 | UINTN VariableOffset;\r | |
23f3e119 | 1111 | UINT32 Attributes;\r |
80408db0 | 1112 | VOID *InternalData;\r |
1113 | VARIABLE_HEAD *VariableHead;\r | |
1114 | UINTN Offset;\r | |
1115 | UINT8 *PcdDb;\r | |
1116 | EFI_STATUS Status;\r | |
1117 | UINTN MaxSize;\r | |
1118 | UINTN TmpTokenNumber;\r | |
1119 | \r | |
80408db0 | 1120 | //\r |
1121 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1122 | // We have to decrement TokenNumber by 1 to make it usable\r | |
1123 | // as the array index.\r | |
1124 | //\r | |
1125 | TokenNumber--;\r | |
1126 | \r | |
1127 | TmpTokenNumber = TokenNumber;\r | |
d1102dba | 1128 | \r |
2ab6330e | 1129 | //\r |
80408db0 | 1130 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 1131 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1132 | // comparison.\r |
2ab6330e | 1133 | //\r |
419db80b | 1134 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 1135 | \r |
8ec8bed4 | 1136 | if (PtrType) {\r |
64894410 LG |
1137 | //\r |
1138 | // Get MaxSize first, then check new size with max buffer size.\r | |
1139 | //\r | |
1140 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
1141 | if (*Size > MaxSize) {\r | |
cb40609c | 1142 | *Size = MaxSize;\r |
8ec8bed4 | 1143 | return EFI_INVALID_PARAMETER;\r |
1144 | }\r | |
1145 | } else {\r | |
1146 | if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r | |
1147 | return EFI_INVALID_PARAMETER;\r | |
1148 | }\r | |
80408db0 | 1149 | }\r |
b07a5b68 | 1150 | \r |
2ab6330e | 1151 | //\r |
80408db0 | 1152 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 1153 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1154 | // comparison.\r |
2ab6330e | 1155 | //\r |
419db80b BF |
1156 | if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r |
1157 | (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r | |
b07a5b68 | 1158 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
1159 | }\r | |
80408db0 | 1160 | \r |
b07a5b68 | 1161 | //\r |
1162 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1163 | //\r | |
1164 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
80408db0 | 1165 | \r |
2ab6330e | 1166 | //\r |
80408db0 | 1167 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 1168 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1169 | // comparison.\r |
2ab6330e | 1170 | //\r |
419db80b | 1171 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
b07a5b68 | 1172 | \r |
96d6d004 | 1173 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 1174 | \r |
1175 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1176 | \r | |
419db80b | 1177 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
80408db0 | 1178 | \r |
309e3122 | 1179 | if (IsPeiDb) {\r |
419db80b | 1180 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 1181 | } else {\r |
419db80b | 1182 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 1183 | }\r |
1184 | \r | |
d1102dba | 1185 | \r |
80408db0 | 1186 | InternalData = PcdDb + Offset;\r |
1187 | \r | |
1188 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1189 | case PCD_TYPE_VPD:\r | |
1190 | ASSERT (FALSE);\r | |
1191 | Status = EFI_INVALID_PARAMETER;\r | |
1192 | break;\r | |
d1102dba | 1193 | \r |
80408db0 | 1194 | case PCD_TYPE_STRING:\r |
1195 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
6cfc7292 | 1196 | CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r |
80408db0 | 1197 | Status = EFI_SUCCESS;\r |
1198 | } else {\r | |
1199 | Status = EFI_INVALID_PARAMETER;\r | |
1200 | }\r | |
1201 | break;\r | |
1202 | \r | |
6ac15f7c | 1203 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 1204 | case PCD_TYPE_HII:\r |
1205 | if (PtrType) {\r | |
1206 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1207 | Status = EFI_INVALID_PARAMETER;\r | |
1208 | break;\r | |
1209 | }\r | |
1210 | }\r | |
419db80b | 1211 | \r |
309e3122 | 1212 | if (IsPeiDb) {\r |
419db80b | 1213 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 1214 | } else {\r |
419db80b | 1215 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 1216 | }\r |
419db80b | 1217 | \r |
80408db0 | 1218 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
419db80b | 1219 | \r |
1fef733c | 1220 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 1221 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r |
80408db0 | 1222 | VariableOffset = VariableHead->Offset;\r |
23f3e119 SZ |
1223 | Attributes = VariableHead->Attributes;\r |
1224 | Status = SetHiiVariable (Guid, Name, Attributes, Data, *Size, VariableOffset);\r | |
80408db0 | 1225 | break;\r |
d1102dba | 1226 | \r |
80408db0 | 1227 | case PCD_TYPE_DATA:\r |
1228 | if (PtrType) {\r | |
1229 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1230 | CopyMem (InternalData, Data, *Size);\r | |
1231 | Status = EFI_SUCCESS;\r | |
1232 | } else {\r | |
1233 | Status = EFI_INVALID_PARAMETER;\r | |
1234 | }\r | |
1235 | break;\r | |
1236 | }\r | |
1237 | \r | |
1238 | Status = EFI_SUCCESS;\r | |
1239 | switch (*Size) {\r | |
1240 | case sizeof(UINT8):\r | |
1241 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
1242 | break;\r | |
1243 | \r | |
1244 | case sizeof(UINT16):\r | |
1245 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
1246 | break;\r | |
1247 | \r | |
1248 | case sizeof(UINT32):\r | |
1249 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
1250 | break;\r | |
1251 | \r | |
1252 | case sizeof(UINT64):\r | |
1253 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
1254 | break;\r | |
1255 | \r | |
1256 | default:\r | |
1257 | ASSERT (FALSE);\r | |
1258 | Status = EFI_NOT_FOUND;\r | |
1259 | break;\r | |
1260 | }\r | |
1261 | break;\r | |
1262 | \r | |
1263 | default:\r | |
1264 | ASSERT (FALSE);\r | |
1265 | Status = EFI_NOT_FOUND;\r | |
1266 | break;\r | |
1267 | }\r | |
1268 | \r | |
1269 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
d1102dba | 1270 | \r |
80408db0 | 1271 | return Status;\r |
1272 | }\r | |
1273 | \r | |
2ab6330e | 1274 | /**\r |
1275 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 1276 | \r |
2ab6330e | 1277 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 1278 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 1279 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 1280 | \r |
2ab6330e | 1281 | @return PCD entry in PCD database.\r |
80408db0 | 1282 | \r |
2ab6330e | 1283 | **/\r |
80408db0 | 1284 | VOID *\r |
1285 | ExGetWorker (\r | |
1286 | IN CONST EFI_GUID *Guid,\r | |
1287 | IN UINTN ExTokenNumber,\r | |
1288 | IN UINTN GetSize\r | |
d1102dba | 1289 | )\r |
80408db0 | 1290 | {\r |
1291 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
1292 | }\r | |
1293 | \r | |
2ab6330e | 1294 | /**\r |
1295 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 1296 | \r |
2ab6330e | 1297 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
1298 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1299 | @param Data Value want to be set.\r | |
1300 | @param SetSize The size of value.\r | |
80408db0 | 1301 | \r |
2ab6330e | 1302 | @return status of ExSetWorker().\r |
80408db0 | 1303 | \r |
2ab6330e | 1304 | **/\r |
80408db0 | 1305 | EFI_STATUS\r |
1306 | ExSetValueWorker (\r | |
1307 | IN UINTN ExTokenNumber,\r | |
1308 | IN CONST EFI_GUID *Guid,\r | |
1309 | IN VOID *Data,\r | |
1310 | IN UINTN SetSize\r | |
1311 | )\r | |
1312 | {\r | |
1313 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
1314 | }\r | |
1315 | \r | |
2ab6330e | 1316 | /**\r |
419db80b | 1317 | Set value for a dynamic-ex PCD entry.\r |
d1102dba LG |
1318 | \r |
1319 | This routine find the local token number according to dynamic-ex PCD's token\r | |
2ab6330e | 1320 | space guid and token number firstly, and invoke callback function if this PCD\r |
1321 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
1322 | PCD value.\r | |
d1102dba | 1323 | \r |
2ab6330e | 1324 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
1325 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1326 | @param Data PCD value want to be set\r | |
1327 | @param SetSize Size of value.\r | |
1328 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
1329 | If FALSE, this PCD entry is not pointer type.\r | |
1330 | \r | |
1331 | @return status of SetWorker().\r | |
80408db0 | 1332 | \r |
2ab6330e | 1333 | **/\r |
80408db0 | 1334 | EFI_STATUS\r |
1335 | ExSetWorker (\r | |
1336 | IN UINTN ExTokenNumber,\r | |
1337 | IN CONST EFI_GUID *Guid,\r | |
1338 | IN VOID *Data,\r | |
1339 | IN OUT UINTN *SetSize,\r | |
1340 | IN BOOLEAN PtrType\r | |
1341 | )\r | |
1342 | {\r | |
1343 | UINTN TokenNumber;\r | |
d1102dba | 1344 | \r |
80408db0 | 1345 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r |
1346 | \r | |
1347 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
1348 | \r | |
1349 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
1350 | \r | |
1351 | }\r | |
1352 | \r | |
c73cf875 SZ |
1353 | /**\r |
1354 | Get variable size and data from HII-type PCDs.\r | |
1355 | \r | |
1356 | @param[in] VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1357 | @param[in] VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
1358 | @param[out] VariableSize Pointer to variable size got from HII-type PCDs.\r | |
1359 | @param[out] VariableData Pointer to variable data got from HII-type PCDs.\r | |
1360 | \r | |
1361 | **/\r | |
1362 | VOID\r | |
1363 | GetVariableSizeAndDataFromHiiPcd (\r | |
1364 | IN EFI_GUID *VariableGuid,\r | |
1365 | IN UINT16 *VariableName,\r | |
1366 | OUT UINTN *VariableSize,\r | |
1367 | OUT VOID *VariableData OPTIONAL\r | |
1368 | )\r | |
1369 | {\r | |
1370 | BOOLEAN IsPeiDb;\r | |
1371 | PCD_DATABASE_INIT *Database;\r | |
1372 | UINTN TokenNumber;\r | |
1373 | UINT32 LocalTokenNumber;\r | |
1374 | UINTN Offset;\r | |
1375 | EFI_GUID *GuidTable;\r | |
1376 | UINT8 *StringTable;\r | |
1377 | VARIABLE_HEAD *VariableHead;\r | |
1378 | EFI_GUID *Guid;\r | |
1379 | UINT16 *Name;\r | |
1380 | UINTN PcdDataSize;\r | |
1381 | UINTN Size;\r | |
1382 | UINT8 *VaraiableDefaultBuffer;\r | |
1383 | STRING_HEAD StringTableIdx;\r | |
1384 | \r | |
1385 | *VariableSize = 0;\r | |
1386 | \r | |
1387 | //\r | |
1388 | // Go through PCD database to find out DynamicHii PCDs.\r | |
1389 | //\r | |
1390 | for (TokenNumber = 1; TokenNumber <= mPcdTotalTokenCount; TokenNumber++) {\r | |
1391 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r | |
1392 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
1393 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber);\r | |
1394 | if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r | |
1395 | //\r | |
1396 | // Get the Variable Guid and Name pointer.\r | |
1397 | //\r | |
1398 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1399 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r | |
1400 | StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r | |
1401 | GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r | |
1402 | Guid = GuidTable + VariableHead->GuidTableIndex;\r | |
1403 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r | |
1404 | if (CompareGuid (VariableGuid, Guid) && (StrCmp (VariableName, Name) == 0)) {\r | |
1405 | //\r | |
1406 | // It is the matched DynamicHii PCD.\r | |
1407 | //\r | |
1408 | PcdDataSize = DxePcdGetSize (TokenNumber);\r | |
1409 | Size = VariableHead->Offset + PcdDataSize;\r | |
1410 | if (Size > *VariableSize) {\r | |
1411 | *VariableSize = Size;\r | |
1412 | }\r | |
1413 | if (VariableData != NULL) {\r | |
1414 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r | |
1415 | //\r | |
1416 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of\r | |
1417 | // string array in string table.\r | |
1418 | //\r | |
1419 | StringTableIdx = *(STRING_HEAD *) ((UINT8 *) Database + VariableHead->DefaultValueOffset);\r | |
1420 | VaraiableDefaultBuffer = (UINT8 *) (StringTable + StringTableIdx);\r | |
1421 | } else {\r | |
1422 | VaraiableDefaultBuffer = (UINT8 *) Database + VariableHead->DefaultValueOffset;\r | |
1423 | }\r | |
1424 | CopyMem ((UINT8 *) VariableData + VariableHead->Offset, VaraiableDefaultBuffer, PcdDataSize);\r | |
1425 | }\r | |
1426 | }\r | |
1427 | }\r | |
1428 | }\r | |
1429 | }\r | |
1430 | \r | |
2ab6330e | 1431 | /**\r |
1432 | Set value for HII-type PCD.\r | |
80408db0 | 1433 | \r |
d1102dba | 1434 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of\r |
2ab6330e | 1435 | HII-type PCD is to visit this variable.\r |
d1102dba | 1436 | \r |
2ab6330e | 1437 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r |
1438 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
23f3e119 | 1439 | @param SetAttributes Attributes bitmask to set for the variable.\r |
2ab6330e | 1440 | @param Data Value want to be set.\r |
1441 | @param DataSize Size of value\r | |
1442 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 1443 | \r |
2ab6330e | 1444 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 1445 | \r |
2ab6330e | 1446 | **/\r |
80408db0 | 1447 | EFI_STATUS\r |
1448 | SetHiiVariable (\r | |
1449 | IN EFI_GUID *VariableGuid,\r | |
1450 | IN UINT16 *VariableName,\r | |
23f3e119 | 1451 | IN UINT32 SetAttributes,\r |
80408db0 | 1452 | IN CONST VOID *Data,\r |
1453 | IN UINTN DataSize,\r | |
1454 | IN UINTN Offset\r | |
1455 | )\r | |
1456 | {\r | |
1457 | UINTN Size;\r | |
1458 | VOID *Buffer;\r | |
1459 | EFI_STATUS Status;\r | |
1460 | UINT32 Attribute;\r | |
b13151ff | 1461 | UINTN SetSize;\r |
80408db0 | 1462 | \r |
1463 | Size = 0;\r | |
b13151ff | 1464 | SetSize = 0;\r |
80408db0 | 1465 | \r |
746be876 | 1466 | //\r |
1467 | // Try to get original variable size information.\r | |
1468 | //\r | |
80408db0 | 1469 | Status = gRT->GetVariable (\r |
1470 | (UINT16 *)VariableName,\r | |
1471 | VariableGuid,\r | |
1472 | NULL,\r | |
1473 | &Size,\r | |
1474 | NULL\r | |
1475 | );\r | |
d1102dba | 1476 | \r |
80408db0 | 1477 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
746be876 | 1478 | //\r |
1479 | // Patch new PCD's value to offset in given HII variable.\r | |
1480 | //\r | |
23f3e119 | 1481 | if (Size >= (DataSize + Offset)) {\r |
b13151ff LG |
1482 | SetSize = Size;\r |
1483 | } else {\r | |
1484 | SetSize = DataSize + Offset;\r | |
1485 | }\r | |
1486 | Buffer = AllocatePool (SetSize);\r | |
80408db0 | 1487 | ASSERT (Buffer != NULL);\r |
1488 | \r | |
1489 | Status = gRT->GetVariable (\r | |
1490 | VariableName,\r | |
1491 | VariableGuid,\r | |
1492 | &Attribute,\r | |
1493 | &Size,\r | |
1494 | Buffer\r | |
1495 | );\r | |
d1102dba | 1496 | \r |
80408db0 | 1497 | ASSERT_EFI_ERROR (Status);\r |
1498 | \r | |
1499 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1500 | \r | |
23f3e119 SZ |
1501 | if (SetAttributes == 0) {\r |
1502 | SetAttributes = Attribute;\r | |
1503 | }\r | |
1504 | \r | |
80408db0 | 1505 | Status = gRT->SetVariable (\r |
1506 | VariableName,\r | |
1507 | VariableGuid,\r | |
23f3e119 | 1508 | SetAttributes,\r |
b13151ff | 1509 | SetSize,\r |
80408db0 | 1510 | Buffer\r |
1511 | );\r | |
1512 | \r | |
1513 | FreePool (Buffer);\r | |
1514 | return Status;\r | |
746be876 | 1515 | } else if (Status == EFI_NOT_FOUND) {\r |
1516 | //\r | |
1517 | // If variable does not exist, a new variable need to be created.\r | |
1518 | //\r | |
c73cf875 SZ |
1519 | \r |
1520 | //\r | |
1521 | // Get size, allocate buffer and get data.\r | |
1522 | //\r | |
1523 | GetVariableSizeAndDataFromHiiPcd (VariableGuid, VariableName, &Size, NULL);\r | |
746be876 | 1524 | Buffer = AllocateZeroPool (Size);\r |
1525 | ASSERT (Buffer != NULL);\r | |
c73cf875 SZ |
1526 | GetVariableSizeAndDataFromHiiPcd (VariableGuid, VariableName, &Size, Buffer);\r |
1527 | \r | |
1528 | //\r | |
1529 | // Update buffer.\r | |
1530 | //\r | |
746be876 | 1531 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r |
23f3e119 SZ |
1532 | \r |
1533 | if (SetAttributes == 0) {\r | |
1534 | SetAttributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;\r | |
1535 | }\r | |
1536 | \r | |
746be876 | 1537 | Status = gRT->SetVariable (\r |
1538 | VariableName,\r | |
1539 | VariableGuid,\r | |
23f3e119 | 1540 | SetAttributes,\r |
746be876 | 1541 | Size,\r |
1542 | Buffer\r | |
1543 | );\r | |
1544 | \r | |
1545 | FreePool (Buffer);\r | |
d1102dba | 1546 | return Status;\r |
746be876 | 1547 | }\r |
d1102dba | 1548 | \r |
80408db0 | 1549 | //\r |
23f3e119 | 1550 | // If we drop to here, the value is failed to be written in to variable area.\r |
80408db0 | 1551 | //\r |
1552 | return Status;\r | |
1553 | }\r | |
1554 | \r | |
2ab6330e | 1555 | /**\r |
419db80b | 1556 | Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r |
80408db0 | 1557 | \r |
2ab6330e | 1558 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1559 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
419db80b | 1560 | space guid: token number} to Token Number.\r |
d1102dba | 1561 | \r |
2ab6330e | 1562 | @param Guid Token space guid for dynamic-ex PCD entry.\r |
b9982883 | 1563 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1564 | \r |
419db80b | 1565 | @return Token Number for dynamic-ex PCD.\r |
80408db0 | 1566 | \r |
2ab6330e | 1567 | **/\r |
d1102dba | 1568 | UINTN\r |
80408db0 | 1569 | GetExPcdTokenNumber (\r |
1570 | IN CONST EFI_GUID *Guid,\r | |
1571 | IN UINT32 ExTokenNumber\r | |
1572 | )\r | |
1573 | {\r | |
2ab6330e | 1574 | UINT32 Index;\r |
80408db0 | 1575 | DYNAMICEX_MAPPING *ExMap;\r |
1576 | EFI_GUID *GuidTable;\r | |
1577 | EFI_GUID *MatchGuid;\r | |
1578 | UINTN MatchGuidIdx;\r | |
1579 | \r | |
419db80b BF |
1580 | if (!mPeiDatabaseEmpty) {\r |
1581 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r | |
1582 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r | |
1583 | \r | |
1584 | MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r | |
1585 | \r | |
80408db0 | 1586 | if (MatchGuid != NULL) {\r |
1587 | \r | |
1588 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1589 | \r |
8cc87d32 | 1590 | for (Index = 0; Index < mPcdDatabase.PeiDb->ExTokenCount; Index++) {\r |
2ab6330e | 1591 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1592 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1593 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1594 | }\r |
1595 | }\r | |
1596 | }\r | |
1597 | }\r | |
80408db0 | 1598 | \r |
419db80b BF |
1599 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r |
1600 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r | |
1601 | \r | |
1602 | MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r | |
80408db0 | 1603 | //\r |
1604 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1605 | // error in the BUILD system.\r | |
1606 | //\r | |
1607 | ASSERT (MatchGuid != NULL);\r | |
1608 | \r | |
1609 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b | 1610 | \r |
8cc87d32 | 1611 | for (Index = 0; Index < mPcdDatabase.DxeDb->ExTokenCount; Index++) {\r |
2ab6330e | 1612 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1613 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1614 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1615 | }\r |
1616 | }\r | |
1617 | \r | |
1618 | ASSERT (FALSE);\r | |
1619 | \r | |
1620 | return 0;\r | |
1621 | }\r | |
1622 | \r | |
2ab6330e | 1623 | /**\r |
3d53ba8b | 1624 | Wrapper function of getting index of PCD entry in size table.\r |
d1102dba | 1625 | \r |
2ab6330e | 1626 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1627 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1628 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1629 | \r | |
1630 | @return index of PCD entry in size table.\r | |
2ab6330e | 1631 | **/\r |
80408db0 | 1632 | UINTN\r |
3d53ba8b | 1633 | GetSizeTableIndex (\r |
1634 | IN UINTN LocalTokenNumberTableIdx,\r | |
1635 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1636 | )\r |
1637 | {\r | |
3d53ba8b | 1638 | UINT32 *LocalTokenNumberTable;\r |
1639 | UINTN LocalTokenNumber;\r | |
1640 | UINTN Index;\r | |
1641 | UINTN SizeTableIdx;\r | |
d1102dba | 1642 | \r |
3d53ba8b | 1643 | if (IsPeiDb) {\r |
419db80b | 1644 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1645 | } else {\r |
419db80b | 1646 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1647 | }\r |
1648 | \r | |
80408db0 | 1649 | SizeTableIdx = 0;\r |
1650 | \r | |
3d53ba8b | 1651 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1652 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1653 | \r |
1654 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1655 | //\r | |
d1102dba | 1656 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type\r |
80408db0 | 1657 | // PCD entry.\r |
1658 | //\r | |
2ab6330e | 1659 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1660 | //\r |
419db80b | 1661 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1662 | // 1) MAX Size.\r |
419db80b BF |
1663 | // 2) Current Size\r |
1664 | // Current size is equal to MAX size.\r | |
80408db0 | 1665 | //\r |
419db80b | 1666 | SizeTableIdx += 2;\r |
80408db0 | 1667 | } else {\r |
80408db0 | 1668 | //\r |
1669 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1670 | // 1) MAX SIZE\r | |
1671 | // 2) Current Size\r | |
1672 | //\r | |
1673 | SizeTableIdx += 2;\r | |
80408db0 | 1674 | }\r |
1675 | }\r | |
1676 | \r | |
1677 | }\r | |
1678 | \r | |
d1102dba | 1679 | return SizeTableIdx;\r |
80408db0 | 1680 | }\r |
1681 | \r | |
2ab6330e | 1682 | /**\r |
1683 | Get size of POINTER type PCD value.\r | |
1684 | \r | |
1685 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1686 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1687 | \r |
2ab6330e | 1688 | @return size of POINTER type PCD value.\r |
80408db0 | 1689 | \r |
2ab6330e | 1690 | **/\r |
80408db0 | 1691 | UINTN\r |
1692 | GetPtrTypeSize (\r | |
1693 | IN UINTN LocalTokenNumberTableIdx,\r | |
1694 | OUT UINTN *MaxSize\r | |
1695 | )\r | |
1696 | {\r | |
1697 | INTN SizeTableIdx;\r | |
1698 | UINTN LocalTokenNumber;\r | |
80408db0 | 1699 | SIZE_INFO *SizeTable;\r |
80408db0 | 1700 | BOOLEAN IsPeiDb;\r |
1701 | UINT32 *LocalTokenNumberTable;\r | |
1702 | \r | |
1703 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 1704 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1705 | // comparison.\r |
419db80b | 1706 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1707 | \r |
1708 | \r | |
1709 | if (IsPeiDb) {\r | |
419db80b BF |
1710 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1711 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1712 | } else {\r |
419db80b BF |
1713 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1714 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1715 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1716 | }\r |
1717 | \r | |
1718 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1719 | \r | |
1720 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
d1102dba | 1721 | \r |
80408db0 | 1722 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r |
1723 | \r | |
1724 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1725 | //\r | |
d1102dba | 1726 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type\r |
80408db0 | 1727 | // PCD entry.\r |
1728 | //\r | |
2ab6330e | 1729 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1730 | //\r |
419db80b | 1731 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1732 | // 1) MAX Size.\r |
419db80b | 1733 | // 2) Current Size\r |
80408db0 | 1734 | // We consider current size is equal to MAX size.\r |
1735 | //\r | |
1736 | return *MaxSize;\r | |
1737 | } else {\r | |
80408db0 | 1738 | //\r |
1739 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1740 | // 1) MAX SIZE\r | |
1741 | // 2) Current Size\r | |
1742 | //\r | |
1743 | return SizeTable[SizeTableIdx + 1];\r | |
80408db0 | 1744 | }\r |
1745 | }\r | |
1746 | \r | |
2ab6330e | 1747 | /**\r |
3fd8027e | 1748 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1749 | of this PCD value.\r |
80408db0 | 1750 | \r |
2ab6330e | 1751 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1752 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1753 | \r |
2ab6330e | 1754 | @retval TRUE Success to set size of PCD value.\r |
1755 | @retval FALSE Fail to set size of PCD value.\r | |
1756 | **/\r | |
80408db0 | 1757 | BOOLEAN\r |
1758 | SetPtrTypeSize (\r | |
1759 | IN UINTN LocalTokenNumberTableIdx,\r | |
1760 | IN OUT UINTN *CurrentSize\r | |
1761 | )\r | |
1762 | {\r | |
1763 | INTN SizeTableIdx;\r | |
1764 | UINTN LocalTokenNumber;\r | |
80408db0 | 1765 | SIZE_INFO *SizeTable;\r |
80408db0 | 1766 | UINTN MaxSize;\r |
1767 | BOOLEAN IsPeiDb;\r | |
1768 | UINT32 *LocalTokenNumberTable;\r | |
1769 | \r | |
2ab6330e | 1770 | //\r |
80408db0 | 1771 | // EBC compiler is very choosy. It may report warning about comparison\r |
d1102dba | 1772 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1773 | // comparison.\r |
2ab6330e | 1774 | //\r |
419db80b | 1775 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1776 | \r |
1777 | if (IsPeiDb) {\r | |
419db80b BF |
1778 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1779 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1780 | } else {\r |
419db80b BF |
1781 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1782 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1783 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1784 | }\r |
1785 | \r | |
1786 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1787 | \r | |
1788 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
d1102dba | 1789 | \r |
80408db0 | 1790 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r |
1791 | \r | |
1792 | MaxSize = SizeTable[SizeTableIdx];\r | |
1793 | //\r | |
d1102dba | 1794 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type\r |
80408db0 | 1795 | // PCD entry.\r |
1796 | //\r | |
2ab6330e | 1797 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1798 | //\r |
1799 | // We shouldn't come here as we don't support SET for VPD\r | |
1800 | //\r | |
1801 | ASSERT (FALSE);\r | |
1802 | return FALSE;\r | |
1803 | } else {\r | |
1804 | if ((*CurrentSize > MaxSize) ||\r | |
1805 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1806 | *CurrentSize = MaxSize;\r | |
1807 | return FALSE;\r | |
d1102dba LG |
1808 | }\r |
1809 | \r | |
7c736265 LG |
1810 | //\r |
1811 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1812 | // 1) MAX SIZE\r | |
1813 | // 2) Current Size\r | |
1814 | //\r | |
1815 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1816 | return TRUE;\r | |
80408db0 | 1817 | }\r |
1818 | }\r | |
23f3e119 SZ |
1819 | \r |
1820 | /**\r | |
1821 | VariableLock DynamicHiiPcd.\r | |
1822 | \r | |
1823 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
1824 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1825 | @param[in] VariableLock Pointer to VariableLockProtocol.\r | |
1826 | \r | |
1827 | **/\r | |
1828 | VOID\r | |
1829 | VariableLockDynamicHiiPcd (\r | |
1830 | IN BOOLEAN IsPeiDb,\r | |
1831 | IN EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock\r | |
1832 | )\r | |
1833 | {\r | |
1834 | EFI_STATUS Status;\r | |
1835 | PCD_DATABASE_INIT *Database;\r | |
d1102dba | 1836 | UINT32 LocalTokenCount;\r |
23f3e119 SZ |
1837 | UINTN TokenNumber;\r |
1838 | UINT32 LocalTokenNumber;\r | |
1839 | UINTN Offset;\r | |
1840 | EFI_GUID *GuidTable;\r | |
1841 | UINT8 *StringTable;\r | |
1842 | VARIABLE_HEAD *VariableHead;\r | |
1843 | EFI_GUID *Guid;\r | |
1844 | UINT16 *Name;\r | |
1845 | \r | |
1846 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
1847 | LocalTokenCount = IsPeiDb ? mPeiLocalTokenCount: mDxeLocalTokenCount;\r | |
1848 | \r | |
1849 | //\r | |
1850 | // Go through PCD database to find out DynamicHii PCDs.\r | |
1851 | //\r | |
a856128a | 1852 | for (TokenNumber = 1; TokenNumber <= LocalTokenCount; TokenNumber++) {\r |
23f3e119 SZ |
1853 | if (IsPeiDb) {\r |
1854 | LocalTokenNumber = GetLocalTokenNumber (TRUE, TokenNumber);\r | |
1855 | } else {\r | |
1856 | LocalTokenNumber = GetLocalTokenNumber (FALSE, TokenNumber + mPeiLocalTokenCount);\r | |
1857 | }\r | |
1858 | if ((LocalTokenNumber & PCD_TYPE_HII) != 0) {\r | |
1859 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1860 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *) Database + Offset);\r | |
1861 | //\r | |
1862 | // Why not to set property by VarCheckProtocol with Attributes and Property directly here?\r | |
1863 | // It is because that set property by VarCheckProtocol will indicate the variable to\r | |
1864 | // be a system variable, but the unknown max size of the variable is dangerous to\r | |
1865 | // the system variable region.\r | |
1866 | //\r | |
1867 | if ((VariableHead->Property & VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY) != 0) {\r | |
1868 | //\r | |
1869 | // DynamicHii PCD with RO property set in *.dsc.\r | |
1870 | //\r | |
1871 | StringTable = (UINT8 *) ((UINT8 *) Database + Database->StringTableOffset);\r | |
1872 | GuidTable = (EFI_GUID *) ((UINT8 *) Database + Database->GuidTableOffset);\r | |
1873 | Guid = GuidTable + VariableHead->GuidTableIndex;\r | |
1874 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r | |
1875 | Status = VariableLock->RequestToLock (VariableLock, Name, Guid);\r | |
1876 | ASSERT_EFI_ERROR (Status);\r | |
1877 | }\r | |
1878 | }\r | |
1879 | }\r | |
1880 | }\r | |
1881 | \r | |
1882 | /**\r | |
1883 | VariableLockProtocol callback\r | |
1884 | to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r | |
1885 | \r | |
1886 | @param[in] Event Event whose notification function is being invoked.\r | |
1887 | @param[in] Context Pointer to the notification function's context.\r | |
1888 | \r | |
1889 | **/\r | |
1890 | VOID\r | |
1891 | EFIAPI\r | |
1892 | VariableLockCallBack (\r | |
1893 | IN EFI_EVENT Event,\r | |
1894 | IN VOID *Context\r | |
1895 | )\r | |
1896 | {\r | |
1897 | EFI_STATUS Status;\r | |
1898 | EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;\r | |
1899 | \r | |
1900 | Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);\r | |
1901 | if (!EFI_ERROR (Status)) {\r | |
1902 | VariableLockDynamicHiiPcd (TRUE, VariableLock);\r | |
1903 | VariableLockDynamicHiiPcd (FALSE, VariableLock);\r | |
1904 | }\r | |
1905 | }\r | |
1906 | \r |