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80408db0 | 1 | /** @file\r |
2ab6330e | 2 | Help functions used by PCD DXE driver.\r |
80408db0 | 3 | \r |
553e8669 | 4 | Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
80408db0 | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
80408db0 | 13 | **/\r |
80408db0 | 14 | \r |
15 | #include "Service.h"\r | |
419db80b | 16 | #include <Library/DxeServicesLib.h>\r |
80408db0 | 17 | \r |
419db80b BF |
18 | PCD_DATABASE mPcdDatabase;\r |
19 | \r | |
20 | UINT32 mPcdTotalTokenCount; \r | |
21 | UINT32 mPeiLocalTokenCount; \r | |
22 | UINT32 mDxeLocalTokenCount; \r | |
23 | UINT32 mPeiNexTokenCount; \r | |
24 | UINT32 mDxeNexTokenCount; \r | |
25 | UINT32 mPeiExMapppingTableSize;\r | |
26 | UINT32 mDxeExMapppingTableSize;\r | |
27 | UINT32 mPeiGuidTableSize;\r | |
28 | UINT32 mDxeGuidTableSize;\r | |
29 | \r | |
30 | BOOLEAN mPeiExMapTableEmpty; \r | |
31 | BOOLEAN mDxeExMapTableEmpty; \r | |
32 | BOOLEAN mPeiDatabaseEmpty;\r | |
80408db0 | 33 | \r |
b07a5b68 | 34 | LIST_ENTRY *mCallbackFnTable;\r |
419db80b BF |
35 | EFI_GUID **TmpTokenSpaceBuffer;\r |
36 | UINTN TmpTokenSpaceBufferCount; \r | |
37 | \r | |
96d6d004 SZ |
38 | /**\r |
39 | Get Local Token Number by Token Number.\r | |
40 | \r | |
41 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
42 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
43 | @param[in] TokenNumber The PCD token number.\r | |
44 | \r | |
45 | @return Local Token Number.\r | |
46 | **/\r | |
47 | UINT32\r | |
48 | GetLocalTokenNumber (\r | |
49 | IN BOOLEAN IsPeiDb,\r | |
50 | IN UINTN TokenNumber\r | |
51 | )\r | |
52 | {\r | |
d5ad0813 | 53 | UINTN TmpTokenNumber;\r |
96d6d004 SZ |
54 | UINT32 *LocalTokenNumberTable;\r |
55 | UINT32 LocalTokenNumber;\r | |
56 | UINTN Size;\r | |
57 | UINTN MaxSize;\r | |
58 | \r | |
59 | //\r | |
60 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
61 | // We have to decrement TokenNumber by 1 to make it usable\r | |
62 | // as the array index.\r | |
63 | //\r | |
64 | TokenNumber--;\r | |
65 | \r | |
d5ad0813 SZ |
66 | //\r |
67 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
68 | // \r | |
69 | TmpTokenNumber = TokenNumber;\r | |
70 | \r | |
96d6d004 SZ |
71 | LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) : \r |
72 | (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
73 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
74 | \r | |
75 | LocalTokenNumber = LocalTokenNumberTable[TokenNumber];\r | |
76 | \r | |
77 | Size = (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r | |
78 | \r | |
79 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r | |
80 | if (Size == 0) {\r | |
d5ad0813 | 81 | GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r |
96d6d004 SZ |
82 | } else {\r |
83 | MaxSize = Size;\r | |
84 | }\r | |
85 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);\r | |
86 | }\r | |
87 | \r | |
88 | return LocalTokenNumber;\r | |
89 | }\r | |
90 | \r | |
91 | /**\r | |
92 | Get PCD type by Local Token Number.\r | |
93 | \r | |
94 | @param[in] LocalTokenNumber The PCD local token number.\r | |
95 | \r | |
96 | @return PCD type.\r | |
97 | **/\r | |
98 | EFI_PCD_TYPE\r | |
99 | GetPcdType (\r | |
100 | IN UINT32 LocalTokenNumber\r | |
101 | )\r | |
102 | {\r | |
103 | switch (LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) {\r | |
104 | case PCD_DATUM_TYPE_POINTER:\r | |
105 | return EFI_PCD_TYPE_PTR;\r | |
106 | case PCD_DATUM_TYPE_UINT8:\r | |
b5bd21b0 | 107 | if ((LocalTokenNumber & PCD_DATUM_TYPE_UINT8_BOOLEAN) == PCD_DATUM_TYPE_UINT8_BOOLEAN) {\r |
96d6d004 SZ |
108 | return EFI_PCD_TYPE_BOOL;\r |
109 | } else {\r | |
110 | return EFI_PCD_TYPE_8;\r | |
111 | }\r | |
112 | case PCD_DATUM_TYPE_UINT16:\r | |
113 | return EFI_PCD_TYPE_16;\r | |
114 | case PCD_DATUM_TYPE_UINT32:\r | |
115 | return EFI_PCD_TYPE_32;\r | |
116 | case PCD_DATUM_TYPE_UINT64:\r | |
117 | return EFI_PCD_TYPE_64;\r | |
118 | default:\r | |
119 | ASSERT (FALSE);\r | |
120 | return EFI_PCD_TYPE_8;\r | |
121 | }\r | |
122 | }\r | |
123 | \r | |
124 | /**\r | |
125 | Get PCD name.\r | |
126 | \r | |
127 | @param[in] OnlyTokenSpaceName If TRUE, only need to get the TokenSpaceCName.\r | |
128 | If FALSE, need to get the full PCD name.\r | |
129 | @param[in] IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r | |
130 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
131 | @param[in] TokenNumber The PCD token number.\r | |
132 | \r | |
133 | @return The TokenSpaceCName or full PCD name.\r | |
134 | **/\r | |
135 | CHAR8 *\r | |
136 | GetPcdName (\r | |
137 | IN BOOLEAN OnlyTokenSpaceName,\r | |
138 | IN BOOLEAN IsPeiDb,\r | |
139 | IN UINTN TokenNumber\r | |
140 | )\r | |
141 | {\r | |
142 | PCD_DATABASE_INIT *Database;\r | |
143 | UINT8 *StringTable;\r | |
144 | PCD_NAME_INDEX *PcdNameIndex;\r | |
145 | CHAR8 *TokenSpaceName;\r | |
146 | CHAR8 *PcdName;\r | |
147 | CHAR8 *Name;\r | |
148 | \r | |
149 | //\r | |
150 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
151 | // We have to decrement TokenNumber by 1 to make it usable\r | |
152 | // as the array index.\r | |
153 | //\r | |
154 | TokenNumber--;\r | |
155 | \r | |
156 | Database = IsPeiDb ? mPcdDatabase.PeiDb: mPcdDatabase.DxeDb;\r | |
157 | TokenNumber = IsPeiDb ? TokenNumber : TokenNumber - mPeiLocalTokenCount;\r | |
158 | \r | |
159 | StringTable = (UINT8 *) Database + Database->StringTableOffset;\r | |
160 | \r | |
161 | //\r | |
162 | // Get the PCD name index.\r | |
163 | //\r | |
164 | PcdNameIndex = (PCD_NAME_INDEX *)((UINT8 *) Database + Database->PcdNameTableOffset) + TokenNumber;\r | |
165 | TokenSpaceName = (CHAR8 *)&StringTable[PcdNameIndex->TokenSpaceCNameIndex];\r | |
166 | PcdName = (CHAR8 *)&StringTable[PcdNameIndex->PcdCNameIndex];\r | |
167 | \r | |
168 | if (OnlyTokenSpaceName) {\r | |
169 | //\r | |
170 | // Only need to get the TokenSpaceCName.\r | |
171 | //\r | |
172 | Name = AllocateCopyPool (AsciiStrSize (TokenSpaceName), TokenSpaceName);\r | |
173 | } else {\r | |
174 | //\r | |
175 | // Need to get the full PCD name.\r | |
176 | //\r | |
177 | Name = AllocateZeroPool (AsciiStrSize (TokenSpaceName) + AsciiStrSize (PcdName));\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 | |
182 | AsciiStrCat (Name, TokenSpaceName);\r | |
183 | Name[AsciiStrSize (TokenSpaceName) - sizeof (CHAR8)] = '.';\r | |
184 | AsciiStrCat (Name, PcdName); \r | |
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 | |
201 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName. \r | |
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 | |
250 | // \r | |
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 | |
355 | \r | |
356 | This routine will visit PCD database to find the PCD entry according to given\r | |
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 | |
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 | |
6cfc7292 | 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 BF |
409 | // EBC compiler is very choosy. It may report warning about comparison\r |
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 | |
418 | // between UINTN and 0 . So we add 1 in each size of the \r | |
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 |
309e3122 | 425 | \r |
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 | |
188e4e84 | 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 BF |
455 | //\r |
456 | // If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of \r | |
457 | // string array in string table.\r | |
458 | //\r | |
6cfc7292 | 459 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset); \r |
553e8669 | 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 | |
504 | \r | |
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 | |
518 | \r | |
519 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
520 | @param Guid PCD token space's guid, \r | |
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 | |
568 | \r | |
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 | |
620 | \r | |
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 | |
631 | \r | |
632 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
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 | |
635 | this token space.\r | |
636 | \r | |
637 | @param Guid Token space guid. Next token number will be scaned in \r | |
638 | this token space.\r | |
639 | @param TokenNumber Token number. \r | |
640 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
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 |
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 |
2ab6330e | 702 | if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\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 | |
737 | ) \r | |
738 | {\r | |
739 | DXE_PCD_DATABASE *DxePcdDbBinary;\r | |
740 | UINTN DxePcdDbSize;\r | |
741 | EFI_STATUS Status;\r | |
742 | \r | |
743 | DxePcdDbBinary = NULL;\r | |
744 | //\r | |
745 | // Search the External Pcd database from one section of current FFS, \r | |
746 | // and read it to memory\r | |
747 | //\r | |
748 | Status = GetSectionFromFfs (\r | |
749 | EFI_SECTION_RAW,\r | |
750 | 0,\r | |
751 | (VOID **) &DxePcdDbBinary,\r | |
752 | &DxePcdDbSize\r | |
753 | );\r | |
754 | ASSERT_EFI_ERROR (Status);\r | |
755 | \r | |
756 | //\r | |
757 | // Check the first bytes (Header Signature Guid) and build version.\r | |
758 | //\r | |
759 | if (!CompareGuid ((VOID *)DxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r | |
760 | (DxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r | |
761 | ASSERT (FALSE);\r | |
762 | }\r | |
763 | \r | |
764 | return DxePcdDbBinary;\r | |
765 | }\r | |
80408db0 | 766 | \r |
2ab6330e | 767 | /**\r |
768 | Initialize the PCD database in DXE phase.\r | |
769 | \r | |
770 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
771 | from GUID Hob.\r | |
80408db0 | 772 | \r |
2ab6330e | 773 | **/\r |
80408db0 | 774 | VOID\r |
775 | BuildPcdDxeDataBase (\r | |
776 | VOID\r | |
777 | )\r | |
778 | {\r | |
779 | PEI_PCD_DATABASE *PeiDatabase;\r | |
780 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 781 | UINTN Index;\r |
419db80b BF |
782 | UINT32 PcdDxeDbLen;\r |
783 | VOID *PcdDxeDb;\r | |
80408db0 | 784 | \r |
efd6b412 SZ |
785 | //\r |
786 | // Assign PCD Entries with default value to PCD DATABASE\r | |
787 | //\r | |
788 | mPcdDatabase.DxeDb = LocateExPcdBinary ();\r | |
789 | ASSERT(mPcdDatabase.DxeDb != NULL);\r | |
790 | PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r | |
791 | PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r | |
792 | ASSERT (PcdDxeDb != NULL);\r | |
793 | CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r | |
794 | FreePool (mPcdDatabase.DxeDb);\r | |
795 | mPcdDatabase.DxeDb = PcdDxeDb;\r | |
796 | \r | |
80408db0 | 797 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
798 | if (GuidHob != NULL) {\r | |
799 | \r | |
80408db0 | 800 | // \r |
801 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r | |
802 | // should not be included at all. So the GuidHob could\r | |
803 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
804 | // Value to PCD Database.\r | |
805 | //\r | |
806 | \r | |
807 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
808 | //\r | |
419db80b | 809 | // Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r |
80408db0 | 810 | //\r |
419db80b | 811 | mPcdDatabase.PeiDb = PeiDatabase;\r |
efd6b412 SZ |
812 | //\r |
813 | // Inherit the SystemSkuId from PEI phase.\r | |
814 | //\r | |
815 | mPcdDatabase.DxeDb->SystemSkuId = mPcdDatabase.PeiDb->SystemSkuId;\r | |
816 | } else {\r | |
817 | mPcdDatabase.PeiDb = AllocateZeroPool (sizeof (PEI_PCD_DATABASE));\r | |
818 | ASSERT(mPcdDatabase.PeiDb != NULL);\r | |
80408db0 | 819 | }\r |
820 | \r | |
419db80b BF |
821 | //\r |
822 | // Initialized the external PCD database local variables\r | |
823 | //\r | |
824 | mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r | |
825 | mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r | |
826 | \r | |
827 | mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
828 | mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
829 | mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r | |
830 | mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r | |
831 | \r | |
832 | mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r | |
833 | mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r | |
834 | mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount; \r | |
835 | \r | |
836 | mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
837 | mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
838 | mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r | |
839 | \r | |
840 | TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r | |
841 | TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r | |
80408db0 | 842 | \r |
843 | //\r | |
844 | // Initialized the Callback Function Table\r | |
845 | //\r | |
419db80b | 846 | mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r |
3fd8027e | 847 | ASSERT(mCallbackFnTable != NULL);\r |
419db80b BF |
848 | \r |
849 | //\r | |
80408db0 | 850 | // EBC compiler is very choosy. It may report warning about comparison\r |
851 | // between UINTN and 0 . So we add 1 in each size of the \r | |
852 | // comparison.\r | |
419db80b BF |
853 | //\r |
854 | for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r | |
2ab6330e | 855 | InitializeListHead (&mCallbackFnTable[Index]);\r |
80408db0 | 856 | }\r |
80408db0 | 857 | }\r |
858 | \r | |
2ab6330e | 859 | /**\r |
860 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 861 | \r |
2ab6330e | 862 | @param VariableGuid Variable's guid\r |
863 | @param VariableName Variable's unicode name string\r | |
864 | @param VariableData Variable's data pointer, \r | |
865 | @param VariableSize Variable's size.\r | |
80408db0 | 866 | \r |
2ab6330e | 867 | @return the status of gRT->GetVariable\r |
868 | **/\r | |
80408db0 | 869 | EFI_STATUS\r |
870 | GetHiiVariable (\r | |
871 | IN EFI_GUID *VariableGuid,\r | |
872 | IN UINT16 *VariableName,\r | |
873 | OUT UINT8 **VariableData,\r | |
874 | OUT UINTN *VariableSize\r | |
875 | )\r | |
876 | {\r | |
877 | UINTN Size;\r | |
878 | EFI_STATUS Status;\r | |
879 | UINT8 *Buffer;\r | |
880 | \r | |
881 | Size = 0;\r | |
882 | Buffer = NULL;\r | |
883 | \r | |
2ab6330e | 884 | //\r |
885 | // Firstly get the real size of HII variable\r | |
886 | //\r | |
80408db0 | 887 | Status = gRT->GetVariable (\r |
888 | (UINT16 *)VariableName,\r | |
889 | VariableGuid,\r | |
890 | NULL,\r | |
891 | &Size,\r | |
892 | Buffer\r | |
893 | );\r | |
894 | \r | |
2ab6330e | 895 | //\r |
896 | // Allocate buffer to hold whole variable data according to variable size.\r | |
897 | //\r | |
80408db0 | 898 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
899 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
900 | \r | |
901 | ASSERT (Buffer != NULL);\r | |
902 | \r | |
903 | Status = gRT->GetVariable (\r | |
904 | VariableName,\r | |
905 | VariableGuid,\r | |
906 | NULL,\r | |
907 | &Size,\r | |
908 | Buffer\r | |
909 | );\r | |
910 | \r | |
911 | ASSERT (Status == EFI_SUCCESS);\r | |
912 | *VariableData = Buffer;\r | |
913 | *VariableSize = Size;\r | |
0b1ef275 LG |
914 | } else {\r |
915 | //\r | |
916 | // Use Default Data only when variable is not found. \r | |
917 | // For other error status, correct data can't be got, and trig ASSERT().\r | |
918 | //\r | |
919 | ASSERT (Status == EFI_NOT_FOUND);\r | |
80408db0 | 920 | }\r |
921 | \r | |
922 | return Status;\r | |
923 | }\r | |
924 | \r | |
2ab6330e | 925 | /**\r |
926 | Find the local token number according to system SKU ID.\r | |
927 | \r | |
928 | @param LocalTokenNumber PCD token number\r | |
929 | @param Size The size of PCD entry.\r | |
930 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
931 | If False, the PCD entry is initialized in DXE phase.\r | |
932 | \r | |
933 | @return Token number according to system SKU ID.\r | |
80408db0 | 934 | \r |
2ab6330e | 935 | **/\r |
80408db0 | 936 | UINT32\r |
937 | GetSkuEnabledTokenNumber (\r | |
938 | UINT32 LocalTokenNumber,\r | |
939 | UINTN Size,\r | |
940 | BOOLEAN IsPeiDb\r | |
941 | ) \r | |
942 | {\r | |
943 | SKU_HEAD *SkuHead;\r | |
944 | SKU_ID *SkuIdTable;\r | |
2ab6330e | 945 | INTN Index;\r |
80408db0 | 946 | UINT8 *Value;\r |
80408db0 | 947 | UINT8 *PcdDb;\r |
419db80b | 948 | BOOLEAN FoundSku;\r |
80408db0 | 949 | \r |
950 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
951 | \r | |
419db80b | 952 | PcdDb = IsPeiDb ? (UINT8 *) mPcdDatabase.PeiDb : (UINT8 *) mPcdDatabase.DxeDb;\r |
80408db0 | 953 | \r |
954 | SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
955 | Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r | |
956 | \r | |
419db80b | 957 | SkuIdTable = (SKU_ID *)(PcdDb + SkuHead->SkuIdTableOffset);\r |
2ab6330e | 958 | //\r |
959 | // Find the current system's SKU ID entry in SKU ID table.\r | |
960 | //\r | |
419db80b | 961 | FoundSku = FALSE;\r |
2ab6330e | 962 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 963 | if (mPcdDatabase.DxeDb->SystemSkuId == SkuIdTable[Index + 1]) {\r |
419db80b | 964 | FoundSku = TRUE;\r |
80408db0 | 965 | break;\r |
966 | }\r | |
967 | }\r | |
419db80b BF |
968 | \r |
969 | //\r | |
970 | // Find the default SKU ID entry in SKU ID table.\r | |
971 | //\r | |
972 | \r | |
973 | if(!FoundSku) {\r | |
974 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
975 | if (0 == SkuIdTable[Index + 1]) {\r | |
976 | break;\r | |
977 | }\r | |
978 | }\r | |
979 | }\r | |
2ab6330e | 980 | ASSERT (Index < SkuIdTable[0]);\r |
80408db0 | 981 | \r |
982 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
983 | case PCD_TYPE_VPD:\r | |
2ab6330e | 984 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r |
80408db0 | 985 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);\r |
986 | \r | |
987 | case PCD_TYPE_HII:\r | |
2ab6330e | 988 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r |
80408db0 | 989 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r |
990 | \r | |
419db80b BF |
991 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
992 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r | |
993 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII | PCD_TYPE_STRING);\r | |
994 | \r | |
80408db0 | 995 | case PCD_TYPE_STRING:\r |
2ab6330e | 996 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r |
80408db0 | 997 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r |
998 | \r | |
999 | case PCD_TYPE_DATA:\r | |
2ab6330e | 1000 | Value += Size * Index;\r |
419db80b | 1001 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_DATA);\r |
80408db0 | 1002 | \r |
1003 | default:\r | |
1004 | ASSERT (FALSE);\r | |
1005 | }\r | |
1006 | \r | |
1007 | ASSERT (FALSE);\r | |
1008 | \r | |
1009 | return 0;\r | |
1010 | \r | |
1011 | }\r | |
1012 | \r | |
2ab6330e | 1013 | /**\r |
1014 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r | |
1015 | has registered callback function.\r | |
80408db0 | 1016 | \r |
2ab6330e | 1017 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
1018 | type PCD.\r | |
1019 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
1020 | PCD.\r | |
1021 | @param TokenNumber PCD token number generated by build tools.\r | |
1022 | @param Data Value want to be set for this PCD entry\r | |
1023 | @param Size The size of value\r | |
80408db0 | 1024 | \r |
2ab6330e | 1025 | **/\r |
80408db0 | 1026 | VOID\r |
1027 | InvokeCallbackOnSet (\r | |
1028 | UINT32 ExTokenNumber,\r | |
1029 | CONST EFI_GUID *Guid, OPTIONAL\r | |
1030 | UINTN TokenNumber,\r | |
1031 | VOID *Data,\r | |
1032 | UINTN Size\r | |
1033 | )\r | |
1034 | {\r | |
1035 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
1036 | LIST_ENTRY *ListHead;\r | |
1037 | LIST_ENTRY *ListNode;\r | |
1038 | \r | |
1039 | //\r | |
1040 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1041 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 1042 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 1043 | //\r |
b07a5b68 | 1044 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 1045 | ListNode = GetFirstNode (ListHead);\r |
1046 | \r | |
1047 | while (ListNode != ListHead) {\r | |
b07a5b68 | 1048 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r |
80408db0 | 1049 | \r |
1050 | FnTableEntry->CallbackFn(Guid, \r | |
1051 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r | |
1052 | Data,\r | |
1053 | Size);\r | |
1054 | \r | |
1055 | ListNode = GetNextNode (ListHead, ListNode);\r | |
1056 | }\r | |
1057 | \r | |
1058 | return;\r | |
1059 | }\r | |
1060 | \r | |
1061 | \r | |
2ab6330e | 1062 | /**\r |
1063 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
1064 | \r | |
1065 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1066 | @param Data Value want to be set for PCD entry\r | |
1067 | @param Size Size of value.\r | |
1068 | \r | |
1069 | @return status of SetWorker.\r | |
1070 | \r | |
1071 | **/\r | |
80408db0 | 1072 | EFI_STATUS\r |
1073 | SetValueWorker (\r | |
1074 | IN UINTN TokenNumber,\r | |
1075 | IN VOID *Data,\r | |
1076 | IN UINTN Size\r | |
1077 | )\r | |
1078 | {\r | |
1079 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
1080 | }\r | |
1081 | \r | |
1082 | \r | |
2ab6330e | 1083 | /**\r |
1084 | Set value for an PCD entry\r | |
1085 | \r | |
1086 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1087 | @param Data Value want to be set for PCD entry\r | |
1088 | @param Size Size of value.\r | |
1089 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
1090 | If False, the type of PCD entry's value is not Pointer.\r | |
1091 | \r | |
1092 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
1093 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
149fb6d6 | 1094 | @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database. \r |
2ab6330e | 1095 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r |
1096 | range of UINT8, UINT16, UINT32, UINT64\r | |
1097 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
1098 | **/\r | |
80408db0 | 1099 | EFI_STATUS\r |
1100 | SetWorker (\r | |
1101 | IN UINTN TokenNumber,\r | |
1102 | IN VOID *Data,\r | |
1103 | IN OUT UINTN *Size,\r | |
1104 | IN BOOLEAN PtrType\r | |
1105 | )\r | |
1106 | {\r | |
80408db0 | 1107 | BOOLEAN IsPeiDb;\r |
1108 | UINT32 LocalTokenNumber;\r | |
1109 | EFI_GUID *GuidTable;\r | |
d0965169 | 1110 | UINT8 *StringTable;\r |
80408db0 | 1111 | EFI_GUID *Guid;\r |
1112 | UINT16 *Name;\r | |
1113 | UINTN VariableOffset;\r | |
1114 | VOID *InternalData;\r | |
1115 | VARIABLE_HEAD *VariableHead;\r | |
1116 | UINTN Offset;\r | |
1117 | UINT8 *PcdDb;\r | |
1118 | EFI_STATUS Status;\r | |
1119 | UINTN MaxSize;\r | |
1120 | UINTN TmpTokenNumber;\r | |
1121 | \r | |
80408db0 | 1122 | //\r |
1123 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1124 | // We have to decrement TokenNumber by 1 to make it usable\r | |
1125 | // as the array index.\r | |
1126 | //\r | |
1127 | TokenNumber--;\r | |
1128 | \r | |
1129 | TmpTokenNumber = TokenNumber;\r | |
1130 | \r | |
2ab6330e | 1131 | //\r |
80408db0 | 1132 | // EBC compiler is very choosy. It may report warning about comparison\r |
1133 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1134 | // comparison.\r | |
2ab6330e | 1135 | //\r |
419db80b | 1136 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 1137 | \r |
8ec8bed4 | 1138 | if (PtrType) {\r |
64894410 LG |
1139 | //\r |
1140 | // Get MaxSize first, then check new size with max buffer size.\r | |
1141 | //\r | |
1142 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
1143 | if (*Size > MaxSize) {\r | |
cb40609c | 1144 | *Size = MaxSize;\r |
8ec8bed4 | 1145 | return EFI_INVALID_PARAMETER;\r |
1146 | }\r | |
1147 | } else {\r | |
1148 | if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r | |
1149 | return EFI_INVALID_PARAMETER;\r | |
1150 | }\r | |
80408db0 | 1151 | }\r |
b07a5b68 | 1152 | \r |
2ab6330e | 1153 | //\r |
80408db0 | 1154 | // EBC compiler is very choosy. It may report warning about comparison\r |
1155 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1156 | // comparison.\r | |
2ab6330e | 1157 | //\r |
419db80b BF |
1158 | if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r |
1159 | (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r | |
b07a5b68 | 1160 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
1161 | }\r | |
80408db0 | 1162 | \r |
b07a5b68 | 1163 | //\r |
1164 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1165 | //\r | |
1166 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
80408db0 | 1167 | \r |
2ab6330e | 1168 | //\r |
80408db0 | 1169 | // EBC compiler is very choosy. It may report warning about comparison\r |
1170 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1171 | // comparison.\r | |
2ab6330e | 1172 | //\r |
419db80b | 1173 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
b07a5b68 | 1174 | \r |
96d6d004 | 1175 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 1176 | \r |
1177 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1178 | \r | |
419db80b | 1179 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
80408db0 | 1180 | \r |
309e3122 | 1181 | if (IsPeiDb) {\r |
419db80b | 1182 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 1183 | } else {\r |
419db80b | 1184 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 1185 | }\r |
1186 | \r | |
80408db0 | 1187 | \r |
1188 | InternalData = PcdDb + Offset;\r | |
1189 | \r | |
1190 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1191 | case PCD_TYPE_VPD:\r | |
1192 | ASSERT (FALSE);\r | |
1193 | Status = EFI_INVALID_PARAMETER;\r | |
1194 | break;\r | |
1195 | \r | |
1196 | case PCD_TYPE_STRING:\r | |
1197 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
6cfc7292 | 1198 | CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r |
80408db0 | 1199 | Status = EFI_SUCCESS;\r |
1200 | } else {\r | |
1201 | Status = EFI_INVALID_PARAMETER;\r | |
1202 | }\r | |
1203 | break;\r | |
1204 | \r | |
6ac15f7c | 1205 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 1206 | case PCD_TYPE_HII:\r |
1207 | if (PtrType) {\r | |
1208 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1209 | Status = EFI_INVALID_PARAMETER;\r | |
1210 | break;\r | |
1211 | }\r | |
1212 | }\r | |
419db80b | 1213 | \r |
309e3122 | 1214 | if (IsPeiDb) {\r |
419db80b | 1215 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 1216 | } else {\r |
419db80b | 1217 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 1218 | }\r |
419db80b | 1219 | \r |
80408db0 | 1220 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
419db80b | 1221 | \r |
1fef733c | 1222 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 1223 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r |
80408db0 | 1224 | VariableOffset = VariableHead->Offset;\r |
80408db0 | 1225 | Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);\r |
419db80b | 1226 | \r |
80408db0 | 1227 | if (EFI_NOT_FOUND == Status) {\r |
6ac15f7c | 1228 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
1229 | CopyMem (\r | |
6cfc7292 | 1230 | StringTable + *(STRING_HEAD *)(PcdDb + VariableHead->DefaultValueOffset),\r |
6ac15f7c | 1231 | Data,\r |
1232 | *Size\r | |
1233 | );\r | |
1234 | } else {\r | |
1235 | CopyMem (PcdDb + VariableHead->DefaultValueOffset, Data, *Size);\r | |
1236 | } \r | |
80408db0 | 1237 | Status = EFI_SUCCESS;\r |
6ac15f7c | 1238 | }\r |
80408db0 | 1239 | break;\r |
1240 | \r | |
1241 | case PCD_TYPE_DATA:\r | |
1242 | if (PtrType) {\r | |
1243 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1244 | CopyMem (InternalData, Data, *Size);\r | |
1245 | Status = EFI_SUCCESS;\r | |
1246 | } else {\r | |
1247 | Status = EFI_INVALID_PARAMETER;\r | |
1248 | }\r | |
1249 | break;\r | |
1250 | }\r | |
1251 | \r | |
1252 | Status = EFI_SUCCESS;\r | |
1253 | switch (*Size) {\r | |
1254 | case sizeof(UINT8):\r | |
1255 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
1256 | break;\r | |
1257 | \r | |
1258 | case sizeof(UINT16):\r | |
1259 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
1260 | break;\r | |
1261 | \r | |
1262 | case sizeof(UINT32):\r | |
1263 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
1264 | break;\r | |
1265 | \r | |
1266 | case sizeof(UINT64):\r | |
1267 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
1268 | break;\r | |
1269 | \r | |
1270 | default:\r | |
1271 | ASSERT (FALSE);\r | |
1272 | Status = EFI_NOT_FOUND;\r | |
1273 | break;\r | |
1274 | }\r | |
1275 | break;\r | |
1276 | \r | |
1277 | default:\r | |
1278 | ASSERT (FALSE);\r | |
1279 | Status = EFI_NOT_FOUND;\r | |
1280 | break;\r | |
1281 | }\r | |
1282 | \r | |
1283 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
1284 | \r | |
1285 | return Status;\r | |
1286 | }\r | |
1287 | \r | |
2ab6330e | 1288 | /**\r |
1289 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 1290 | \r |
2ab6330e | 1291 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 1292 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 1293 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 1294 | \r |
2ab6330e | 1295 | @return PCD entry in PCD database.\r |
80408db0 | 1296 | \r |
2ab6330e | 1297 | **/\r |
80408db0 | 1298 | VOID *\r |
1299 | ExGetWorker (\r | |
1300 | IN CONST EFI_GUID *Guid,\r | |
1301 | IN UINTN ExTokenNumber,\r | |
1302 | IN UINTN GetSize\r | |
1303 | ) \r | |
1304 | {\r | |
1305 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
1306 | }\r | |
1307 | \r | |
2ab6330e | 1308 | /**\r |
1309 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 1310 | \r |
2ab6330e | 1311 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
1312 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1313 | @param Data Value want to be set.\r | |
1314 | @param SetSize The size of value.\r | |
80408db0 | 1315 | \r |
2ab6330e | 1316 | @return status of ExSetWorker().\r |
80408db0 | 1317 | \r |
2ab6330e | 1318 | **/\r |
80408db0 | 1319 | EFI_STATUS\r |
1320 | ExSetValueWorker (\r | |
1321 | IN UINTN ExTokenNumber,\r | |
1322 | IN CONST EFI_GUID *Guid,\r | |
1323 | IN VOID *Data,\r | |
1324 | IN UINTN SetSize\r | |
1325 | )\r | |
1326 | {\r | |
1327 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
1328 | }\r | |
1329 | \r | |
2ab6330e | 1330 | /**\r |
419db80b | 1331 | Set value for a dynamic-ex PCD entry.\r |
2ab6330e | 1332 | \r |
1333 | This routine find the local token number according to dynamic-ex PCD's token \r | |
1334 | space guid and token number firstly, and invoke callback function if this PCD\r | |
1335 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
1336 | PCD value.\r | |
1337 | \r | |
1338 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
1339 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1340 | @param Data PCD value want to be set\r | |
1341 | @param SetSize Size of value.\r | |
1342 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
1343 | If FALSE, this PCD entry is not pointer type.\r | |
1344 | \r | |
1345 | @return status of SetWorker().\r | |
80408db0 | 1346 | \r |
2ab6330e | 1347 | **/\r |
80408db0 | 1348 | EFI_STATUS\r |
1349 | ExSetWorker (\r | |
1350 | IN UINTN ExTokenNumber,\r | |
1351 | IN CONST EFI_GUID *Guid,\r | |
1352 | IN VOID *Data,\r | |
1353 | IN OUT UINTN *SetSize,\r | |
1354 | IN BOOLEAN PtrType\r | |
1355 | )\r | |
1356 | {\r | |
1357 | UINTN TokenNumber;\r | |
1358 | \r | |
1359 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r | |
1360 | \r | |
1361 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
1362 | \r | |
1363 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
1364 | \r | |
1365 | }\r | |
1366 | \r | |
2ab6330e | 1367 | /**\r |
1368 | Set value for HII-type PCD.\r | |
80408db0 | 1369 | \r |
2ab6330e | 1370 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r |
1371 | HII-type PCD is to visit this variable.\r | |
1372 | \r | |
1373 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1374 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
1375 | @param Data Value want to be set.\r | |
1376 | @param DataSize Size of value\r | |
1377 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 1378 | \r |
2ab6330e | 1379 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 1380 | \r |
2ab6330e | 1381 | **/\r |
80408db0 | 1382 | EFI_STATUS\r |
1383 | SetHiiVariable (\r | |
1384 | IN EFI_GUID *VariableGuid,\r | |
1385 | IN UINT16 *VariableName,\r | |
1386 | IN CONST VOID *Data,\r | |
1387 | IN UINTN DataSize,\r | |
1388 | IN UINTN Offset\r | |
1389 | )\r | |
1390 | {\r | |
1391 | UINTN Size;\r | |
1392 | VOID *Buffer;\r | |
1393 | EFI_STATUS Status;\r | |
1394 | UINT32 Attribute;\r | |
b13151ff | 1395 | UINTN SetSize;\r |
80408db0 | 1396 | \r |
1397 | Size = 0;\r | |
b13151ff | 1398 | SetSize = 0;\r |
80408db0 | 1399 | \r |
746be876 | 1400 | //\r |
1401 | // Try to get original variable size information.\r | |
1402 | //\r | |
80408db0 | 1403 | Status = gRT->GetVariable (\r |
1404 | (UINT16 *)VariableName,\r | |
1405 | VariableGuid,\r | |
1406 | NULL,\r | |
1407 | &Size,\r | |
1408 | NULL\r | |
1409 | );\r | |
b13151ff | 1410 | \r |
80408db0 | 1411 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
746be876 | 1412 | //\r |
1413 | // Patch new PCD's value to offset in given HII variable.\r | |
1414 | //\r | |
b13151ff LG |
1415 | if (Size >= (DataSize + Offset)) {\r |
1416 | SetSize = Size;\r | |
1417 | } else {\r | |
1418 | SetSize = DataSize + Offset;\r | |
1419 | }\r | |
1420 | Buffer = AllocatePool (SetSize);\r | |
80408db0 | 1421 | ASSERT (Buffer != NULL);\r |
1422 | \r | |
1423 | Status = gRT->GetVariable (\r | |
1424 | VariableName,\r | |
1425 | VariableGuid,\r | |
1426 | &Attribute,\r | |
1427 | &Size,\r | |
1428 | Buffer\r | |
1429 | );\r | |
1430 | \r | |
1431 | ASSERT_EFI_ERROR (Status);\r | |
1432 | \r | |
1433 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1434 | \r | |
1435 | Status = gRT->SetVariable (\r | |
1436 | VariableName,\r | |
1437 | VariableGuid,\r | |
1438 | Attribute,\r | |
b13151ff | 1439 | SetSize,\r |
80408db0 | 1440 | Buffer\r |
1441 | );\r | |
1442 | \r | |
1443 | FreePool (Buffer);\r | |
1444 | return Status;\r | |
746be876 | 1445 | } else if (Status == EFI_NOT_FOUND) {\r |
1446 | //\r | |
1447 | // If variable does not exist, a new variable need to be created.\r | |
1448 | //\r | |
1449 | \r | |
1450 | Size = Offset + DataSize;\r | |
1451 | \r | |
1452 | Buffer = AllocateZeroPool (Size);\r | |
1453 | ASSERT (Buffer != NULL);\r | |
1454 | \r | |
1455 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1456 | \r | |
1457 | Status = gRT->SetVariable (\r | |
1458 | VariableName,\r | |
1459 | VariableGuid,\r | |
1460 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
1461 | Size,\r | |
1462 | Buffer\r | |
1463 | );\r | |
1464 | \r | |
1465 | FreePool (Buffer);\r | |
1466 | return Status; \r | |
1467 | }\r | |
80408db0 | 1468 | \r |
1469 | //\r | |
746be876 | 1470 | // If we drop to here, the value is failed to be written in to variable area\r |
1471 | // So, we will save the data in the PCD Database's volatile area.\r | |
80408db0 | 1472 | //\r |
1473 | return Status;\r | |
1474 | }\r | |
1475 | \r | |
2ab6330e | 1476 | /**\r |
419db80b | 1477 | Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r |
80408db0 | 1478 | \r |
2ab6330e | 1479 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1480 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
419db80b | 1481 | space guid: token number} to Token Number.\r |
2ab6330e | 1482 | \r |
1483 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
b9982883 | 1484 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1485 | \r |
419db80b | 1486 | @return Token Number for dynamic-ex PCD.\r |
80408db0 | 1487 | \r |
2ab6330e | 1488 | **/\r |
80408db0 | 1489 | UINTN \r |
1490 | GetExPcdTokenNumber (\r | |
1491 | IN CONST EFI_GUID *Guid,\r | |
1492 | IN UINT32 ExTokenNumber\r | |
1493 | )\r | |
1494 | {\r | |
2ab6330e | 1495 | UINT32 Index;\r |
80408db0 | 1496 | DYNAMICEX_MAPPING *ExMap;\r |
1497 | EFI_GUID *GuidTable;\r | |
1498 | EFI_GUID *MatchGuid;\r | |
1499 | UINTN MatchGuidIdx;\r | |
1500 | \r | |
419db80b BF |
1501 | if (!mPeiDatabaseEmpty) {\r |
1502 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r | |
1503 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r | |
1504 | \r | |
1505 | MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r | |
1506 | \r | |
80408db0 | 1507 | if (MatchGuid != NULL) {\r |
1508 | \r | |
1509 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
1510 | \r |
1511 | for (Index = 0; Index < mPeiExMapppingTableSize; Index++) {\r | |
2ab6330e | 1512 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1513 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1514 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1515 | }\r |
1516 | }\r | |
1517 | }\r | |
1518 | }\r | |
80408db0 | 1519 | \r |
419db80b BF |
1520 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r |
1521 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r | |
1522 | \r | |
1523 | MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r | |
80408db0 | 1524 | //\r |
1525 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1526 | // error in the BUILD system.\r | |
1527 | //\r | |
1528 | ASSERT (MatchGuid != NULL);\r | |
1529 | \r | |
1530 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
1531 | \r |
1532 | for (Index = 0; Index < mDxeExMapppingTableSize; Index++) {\r | |
2ab6330e | 1533 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1534 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1535 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1536 | }\r |
1537 | }\r | |
1538 | \r | |
1539 | ASSERT (FALSE);\r | |
1540 | \r | |
1541 | return 0;\r | |
1542 | }\r | |
1543 | \r | |
2ab6330e | 1544 | /**\r |
3fd8027e | 1545 | Get SKU ID table from PCD database.\r |
2ab6330e | 1546 | \r |
1547 | @param LocalTokenNumberTableIdx Index of local token number in token number table.\r | |
419db80b BF |
1548 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1549 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
2ab6330e | 1550 | @return Pointer to SKU ID array table\r |
1551 | \r | |
1552 | **/\r | |
80408db0 | 1553 | SKU_ID *\r |
1554 | GetSkuIdArray (\r | |
1555 | IN UINTN LocalTokenNumberTableIdx,\r | |
419db80b | 1556 | IN BOOLEAN IsPeiDb\r |
80408db0 | 1557 | )\r |
1558 | {\r | |
1559 | SKU_HEAD *SkuHead;\r | |
1560 | UINTN LocalTokenNumber;\r | |
1561 | UINT8 *Database;\r | |
1562 | \r | |
419db80b BF |
1563 | if (IsPeiDb) {\r |
1564 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r | |
1565 | Database = (UINT8 *) mPcdDatabase.PeiDb;\r | |
80408db0 | 1566 | } else {\r |
419db80b BF |
1567 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
1568 | Database = (UINT8 *) mPcdDatabase.DxeDb;\r | |
80408db0 | 1569 | }\r |
1570 | \r | |
1571 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
1572 | \r | |
1573 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
1574 | \r | |
1575 | return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);\r | |
1576 | \r | |
1577 | }\r | |
1578 | \r | |
2ab6330e | 1579 | /**\r |
3d53ba8b | 1580 | Wrapper function of getting index of PCD entry in size table.\r |
1581 | \r | |
2ab6330e | 1582 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1583 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1584 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1585 | \r | |
1586 | @return index of PCD entry in size table.\r | |
2ab6330e | 1587 | **/\r |
80408db0 | 1588 | UINTN\r |
3d53ba8b | 1589 | GetSizeTableIndex (\r |
1590 | IN UINTN LocalTokenNumberTableIdx,\r | |
1591 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1592 | )\r |
1593 | {\r | |
3d53ba8b | 1594 | UINT32 *LocalTokenNumberTable;\r |
1595 | UINTN LocalTokenNumber;\r | |
1596 | UINTN Index;\r | |
1597 | UINTN SizeTableIdx;\r | |
1598 | SKU_ID *SkuIdTable;\r | |
80408db0 | 1599 | \r |
3d53ba8b | 1600 | if (IsPeiDb) {\r |
419db80b | 1601 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1602 | } else {\r |
419db80b | 1603 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1604 | }\r |
1605 | \r | |
80408db0 | 1606 | SizeTableIdx = 0;\r |
1607 | \r | |
3d53ba8b | 1608 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1609 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1610 | \r |
1611 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1612 | //\r | |
1613 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1614 | // PCD entry.\r | |
1615 | //\r | |
2ab6330e | 1616 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1617 | //\r |
419db80b | 1618 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1619 | // 1) MAX Size.\r |
419db80b BF |
1620 | // 2) Current Size\r |
1621 | // Current size is equal to MAX size.\r | |
80408db0 | 1622 | //\r |
419db80b | 1623 | SizeTableIdx += 2;\r |
80408db0 | 1624 | } else {\r |
1625 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1626 | //\r | |
1627 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1628 | // 1) MAX SIZE\r | |
1629 | // 2) Current Size\r | |
1630 | //\r | |
1631 | SizeTableIdx += 2;\r | |
1632 | } else {\r | |
1633 | //\r | |
1634 | // We have these entry for SKU enabled PCD entry\r | |
1635 | // 1) MAX SIZE\r | |
1636 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1637 | //\r | |
2ab6330e | 1638 | SkuIdTable = GetSkuIdArray (Index, IsPeiDb);\r |
80408db0 | 1639 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r |
1640 | }\r | |
1641 | }\r | |
1642 | }\r | |
1643 | \r | |
1644 | }\r | |
1645 | \r | |
3d53ba8b | 1646 | return SizeTableIdx; \r |
80408db0 | 1647 | }\r |
1648 | \r | |
2ab6330e | 1649 | /**\r |
1650 | Get size of POINTER type PCD value.\r | |
1651 | \r | |
1652 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1653 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1654 | \r |
2ab6330e | 1655 | @return size of POINTER type PCD value.\r |
80408db0 | 1656 | \r |
2ab6330e | 1657 | **/\r |
80408db0 | 1658 | UINTN\r |
1659 | GetPtrTypeSize (\r | |
1660 | IN UINTN LocalTokenNumberTableIdx,\r | |
1661 | OUT UINTN *MaxSize\r | |
1662 | )\r | |
1663 | {\r | |
1664 | INTN SizeTableIdx;\r | |
1665 | UINTN LocalTokenNumber;\r | |
1666 | SKU_ID *SkuIdTable;\r | |
1667 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1668 | UINTN Index;\r |
80408db0 | 1669 | BOOLEAN IsPeiDb;\r |
1670 | UINT32 *LocalTokenNumberTable;\r | |
1671 | \r | |
1672 | // EBC compiler is very choosy. It may report warning about comparison\r | |
1673 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1674 | // comparison.\r | |
419db80b | 1675 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1676 | \r |
1677 | \r | |
1678 | if (IsPeiDb) {\r | |
419db80b BF |
1679 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1680 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1681 | } else {\r |
419db80b BF |
1682 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1683 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1684 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1685 | }\r |
1686 | \r | |
1687 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1688 | \r | |
1689 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1690 | \r | |
1691 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1692 | \r | |
1693 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1694 | //\r | |
1695 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1696 | // PCD entry.\r | |
1697 | //\r | |
2ab6330e | 1698 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1699 | //\r |
419db80b | 1700 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1701 | // 1) MAX Size.\r |
419db80b | 1702 | // 2) Current Size\r |
80408db0 | 1703 | // We consider current size is equal to MAX size.\r |
1704 | //\r | |
1705 | return *MaxSize;\r | |
1706 | } else {\r | |
1707 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1708 | //\r | |
1709 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1710 | // 1) MAX SIZE\r | |
1711 | // 2) Current Size\r | |
1712 | //\r | |
1713 | return SizeTable[SizeTableIdx + 1];\r | |
1714 | } else {\r | |
1715 | //\r | |
1716 | // We have these entry for SKU enabled PCD entry\r | |
1717 | // 1) MAX SIZE\r | |
1718 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1719 | //\r | |
1720 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1721 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1722 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1723 | return SizeTable[SizeTableIdx + 1 + Index];\r |
80408db0 | 1724 | }\r |
1725 | }\r | |
1726 | return SizeTable[SizeTableIdx + 1];\r | |
1727 | }\r | |
1728 | }\r | |
1729 | }\r | |
1730 | \r | |
2ab6330e | 1731 | /**\r |
3fd8027e | 1732 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1733 | of this PCD value.\r |
80408db0 | 1734 | \r |
2ab6330e | 1735 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1736 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1737 | \r |
2ab6330e | 1738 | @retval TRUE Success to set size of PCD value.\r |
1739 | @retval FALSE Fail to set size of PCD value.\r | |
1740 | **/\r | |
80408db0 | 1741 | BOOLEAN\r |
1742 | SetPtrTypeSize (\r | |
1743 | IN UINTN LocalTokenNumberTableIdx,\r | |
1744 | IN OUT UINTN *CurrentSize\r | |
1745 | )\r | |
1746 | {\r | |
1747 | INTN SizeTableIdx;\r | |
1748 | UINTN LocalTokenNumber;\r | |
1749 | SKU_ID *SkuIdTable;\r | |
1750 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1751 | UINTN Index;\r |
80408db0 | 1752 | UINTN MaxSize;\r |
1753 | BOOLEAN IsPeiDb;\r | |
1754 | UINT32 *LocalTokenNumberTable;\r | |
1755 | \r | |
2ab6330e | 1756 | //\r |
80408db0 | 1757 | // EBC compiler is very choosy. It may report warning about comparison\r |
1758 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1759 | // comparison.\r | |
2ab6330e | 1760 | //\r |
419db80b | 1761 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1762 | \r |
1763 | if (IsPeiDb) {\r | |
419db80b BF |
1764 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1765 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1766 | } else {\r |
419db80b BF |
1767 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1768 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1769 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1770 | }\r |
1771 | \r | |
1772 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1773 | \r | |
1774 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1775 | \r | |
1776 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1777 | \r | |
1778 | MaxSize = SizeTable[SizeTableIdx];\r | |
1779 | //\r | |
1780 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1781 | // PCD entry.\r | |
1782 | //\r | |
2ab6330e | 1783 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1784 | //\r |
1785 | // We shouldn't come here as we don't support SET for VPD\r | |
1786 | //\r | |
1787 | ASSERT (FALSE);\r | |
1788 | return FALSE;\r | |
1789 | } else {\r | |
1790 | if ((*CurrentSize > MaxSize) ||\r | |
1791 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1792 | *CurrentSize = MaxSize;\r | |
1793 | return FALSE;\r | |
1794 | } \r | |
1795 | \r | |
1796 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1797 | //\r | |
1798 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1799 | // 1) MAX SIZE\r | |
1800 | // 2) Current Size\r | |
1801 | //\r | |
1802 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1803 | return TRUE;\r | |
1804 | } else {\r | |
1805 | //\r | |
1806 | // We have these entry for SKU enabled PCD entry\r | |
1807 | // 1) MAX SIZE\r | |
1808 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1809 | //\r | |
1810 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1811 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1812 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1813 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r |
80408db0 | 1814 | return TRUE;\r |
1815 | }\r | |
1816 | }\r | |
1817 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1818 | return TRUE;\r | |
1819 | }\r | |
1820 | }\r | |
1821 | }\r |