]>
Commit | Line | Data |
---|---|---|
80408db0 | 1 | /** @file\r |
2ab6330e | 2 | Help functions used by PCD DXE driver.\r |
80408db0 | 3 | \r |
0b1ef275 | 4 | Copyright (c) 2006 - 2013, 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 |
6ac15f7c | 460 | VaraiableDefaultBuffer = (VOID *) (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 | |
466 | if (GetSize == 0) {\r | |
0b1ef275 | 467 | //\r |
419db80b BF |
468 | // It is a pointer type. So get the MaxSize reserved for\r |
469 | // this PCD entry.\r | |
0b1ef275 | 470 | //\r |
419db80b | 471 | GetPtrTypeSize (TmpTokenNumber, &GetSize);\r |
6ac15f7c | 472 | }\r |
419db80b BF |
473 | //\r |
474 | // If the operation is successful, we copy the data\r | |
475 | // to the default value buffer in the PCD Database.\r | |
476 | // So that we can free the Data allocated in GetHiiVariable.\r | |
477 | //\r | |
478 | CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);\r | |
479 | FreePool (Data);\r | |
80408db0 | 480 | }\r |
419db80b | 481 | RetPtr = (VOID *) VaraiableDefaultBuffer;\r |
80408db0 | 482 | break;\r |
483 | \r | |
484 | case PCD_TYPE_STRING:\r | |
6cfc7292 | 485 | StringTableIdx = *(STRING_HEAD*)((UINT8 *) PcdDb + Offset);\r |
1fef733c | 486 | RetPtr = (VOID *) (StringTable + StringTableIdx);\r |
80408db0 | 487 | break;\r |
488 | \r | |
489 | case PCD_TYPE_DATA:\r | |
490 | RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);\r | |
491 | break;\r | |
492 | \r | |
493 | default:\r | |
494 | ASSERT (FALSE);\r | |
495 | break;\r | |
496 | \r | |
497 | }\r | |
498 | \r | |
499 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
419db80b | 500 | \r |
80408db0 | 501 | return RetPtr;\r |
419db80b | 502 | \r |
80408db0 | 503 | }\r |
504 | \r | |
2ab6330e | 505 | /**\r |
506 | Register the callback function for a PCD entry.\r | |
507 | \r | |
508 | This routine will register a callback function to a PCD entry by given token number\r | |
509 | and token space guid.\r | |
510 | \r | |
511 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
512 | @param Guid PCD token space's guid, \r | |
513 | if not NULL, this PCD is dynamicEx type PCD.\r | |
514 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 515 | \r |
2ab6330e | 516 | @return EFI_SUCCESS Always success for registering callback function.\r |
80408db0 | 517 | \r |
2ab6330e | 518 | **/\r |
80408db0 | 519 | EFI_STATUS\r |
520 | DxeRegisterCallBackWorker (\r | |
521 | IN UINTN TokenNumber,\r | |
2ab6330e | 522 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 523 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
524 | )\r | |
525 | {\r | |
526 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
527 | LIST_ENTRY *ListHead;\r | |
528 | LIST_ENTRY *ListNode;\r | |
529 | \r | |
530 | if (Guid != NULL) {\r | |
531 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
532 | }\r | |
533 | \r | |
534 | //\r | |
535 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
536 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 537 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 538 | //\r |
b07a5b68 | 539 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 540 | ListNode = GetFirstNode (ListHead);\r |
541 | \r | |
542 | while (ListNode != ListHead) {\r | |
543 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
544 | \r | |
545 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
546 | //\r | |
547 | // We only allow a Callback function to be register once\r | |
548 | // for a TokenNumber. So just return EFI_SUCCESS\r | |
549 | //\r | |
550 | return EFI_SUCCESS;\r | |
551 | }\r | |
552 | ListNode = GetNextNode (ListHead, ListNode);\r | |
553 | }\r | |
554 | \r | |
555 | FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));\r | |
556 | ASSERT (FnTableEntry != NULL);\r | |
557 | \r | |
558 | FnTableEntry->CallbackFn = CallBackFunction;\r | |
559 | InsertTailList (ListHead, &FnTableEntry->Node);\r | |
560 | \r | |
561 | return EFI_SUCCESS;\r | |
562 | }\r | |
563 | \r | |
2ab6330e | 564 | /**\r |
565 | UnRegister the callback function for a PCD entry.\r | |
80408db0 | 566 | \r |
2ab6330e | 567 | This routine will unregister a callback function to a PCD entry by given token number\r |
568 | and token space guid.\r | |
80408db0 | 569 | \r |
2ab6330e | 570 | @param TokenNumber PCD token's number, it is autogened by build tools.\r |
571 | @param Guid PCD token space's guid.\r | |
572 | if not NULL, this PCD is dynamicEx type PCD.\r | |
573 | @param CallBackFunction Callback function pointer\r | |
80408db0 | 574 | \r |
2ab6330e | 575 | @retval EFI_SUCCESS Callback function is success to be unregister.\r |
576 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
577 | **/\r | |
80408db0 | 578 | EFI_STATUS\r |
579 | DxeUnRegisterCallBackWorker (\r | |
580 | IN UINTN TokenNumber,\r | |
2ab6330e | 581 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
80408db0 | 582 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
583 | )\r | |
584 | {\r | |
585 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
586 | LIST_ENTRY *ListHead;\r | |
587 | LIST_ENTRY *ListNode;\r | |
588 | \r | |
589 | if (Guid != NULL) {\r | |
590 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);\r | |
591 | }\r | |
592 | \r | |
593 | //\r | |
594 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
595 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 596 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 597 | //\r |
b07a5b68 | 598 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 599 | ListNode = GetFirstNode (ListHead);\r |
600 | \r | |
601 | while (ListNode != ListHead) {\r | |
602 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);\r | |
603 | \r | |
604 | if (FnTableEntry->CallbackFn == CallBackFunction) {\r | |
605 | //\r | |
606 | // We only allow a Callback function to be register once\r | |
607 | // for a TokenNumber. So we can safely remove the Node from\r | |
608 | // the Link List and return EFI_SUCCESS.\r | |
609 | //\r | |
610 | RemoveEntryList (ListNode);\r | |
611 | FreePool (FnTableEntry);\r | |
612 | \r | |
613 | return EFI_SUCCESS;\r | |
614 | }\r | |
615 | ListNode = GetNextNode (ListHead, ListNode);\r | |
616 | }\r | |
617 | \r | |
618 | return EFI_INVALID_PARAMETER;\r | |
619 | }\r | |
620 | \r | |
2ab6330e | 621 | /**\r |
622 | Get next token number in given token space.\r | |
623 | \r | |
624 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
625 | table to get token space according to given token space guid. Then scan given \r | |
626 | token number in found token space, if found, then return next token number in \r | |
627 | this token space.\r | |
628 | \r | |
629 | @param Guid Token space guid. Next token number will be scaned in \r | |
630 | this token space.\r | |
631 | @param TokenNumber Token number. \r | |
632 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
633 | token space table.\r | |
634 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
635 | in token space table.\r | |
636 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
637 | by given token space guid.\r | |
638 | @param SizeOfGuidTable The size of guid table.\r | |
639 | @param ExMapTable DynamicEx token number mapping table.\r | |
640 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
641 | \r | |
642 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
643 | @retval EFI_SUCCESS Success to get next token number.\r | |
80408db0 | 644 | \r |
2ab6330e | 645 | **/\r |
80408db0 | 646 | EFI_STATUS\r |
647 | ExGetNextTokeNumber (\r | |
648 | IN CONST EFI_GUID *Guid,\r | |
649 | IN OUT UINTN *TokenNumber,\r | |
650 | IN EFI_GUID *GuidTable,\r | |
651 | IN UINTN SizeOfGuidTable,\r | |
652 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
653 | IN UINTN SizeOfExMapTable\r | |
654 | )\r | |
655 | {\r | |
656 | EFI_GUID *MatchGuid;\r | |
2ab6330e | 657 | UINTN Index;\r |
80408db0 | 658 | UINTN GuidTableIdx;\r |
659 | BOOLEAN Found;\r | |
419db80b | 660 | UINTN ExMapTableCount;\r |
80408db0 | 661 | \r |
2ab6330e | 662 | //\r |
663 | // Scan token space guid \r | |
664 | // \r | |
80408db0 | 665 | MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);\r |
666 | if (MatchGuid == NULL) {\r | |
667 | return EFI_NOT_FOUND;\r | |
668 | }\r | |
669 | \r | |
2ab6330e | 670 | //\r |
671 | // Find the token space table in dynamicEx mapping table.\r | |
672 | //\r | |
80408db0 | 673 | Found = FALSE;\r |
674 | GuidTableIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
675 | ExMapTableCount = SizeOfExMapTable / sizeof(ExMapTable[0]);\r |
676 | for (Index = 0; Index < ExMapTableCount; Index++) {\r | |
2ab6330e | 677 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 678 | Found = TRUE;\r |
679 | break;\r | |
680 | }\r | |
681 | }\r | |
682 | \r | |
683 | if (Found) {\r | |
2ab6330e | 684 | //\r |
685 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
686 | // token number in found token space.\r | |
687 | //\r | |
80408db0 | 688 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
2ab6330e | 689 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 690 | return EFI_SUCCESS;\r |
691 | }\r | |
692 | \r | |
419db80b | 693 | for ( ; Index < ExMapTableCount; Index++) {\r |
2ab6330e | 694 | if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r |
419db80b BF |
695 | break;\r |
696 | }\r | |
697 | }\r | |
698 | \r | |
699 | while (Index < ExMapTableCount) {\r | |
700 | Index++;\r | |
701 | if (Index == ExMapTableCount) {\r | |
702 | //\r | |
703 | // Exceed the length of ExMap Table\r | |
704 | //\r | |
705 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
706 | return EFI_NOT_FOUND;\r | |
707 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
708 | //\r | |
709 | // Found the next match\r | |
710 | //\r | |
711 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
712 | return EFI_SUCCESS;\r | |
80408db0 | 713 | }\r |
714 | }\r | |
715 | }\r | |
419db80b | 716 | \r |
80408db0 | 717 | return EFI_NOT_FOUND;\r |
718 | }\r | |
80408db0 | 719 | \r |
419db80b BF |
720 | /**\r |
721 | Find the PCD database.\r | |
722 | \r | |
723 | @retval The base address of external PCD database binary.\r | |
724 | @retval NULL Return NULL if not find.\r | |
725 | **/\r | |
726 | DXE_PCD_DATABASE *\r | |
727 | LocateExPcdBinary (\r | |
728 | VOID\r | |
729 | ) \r | |
730 | {\r | |
731 | DXE_PCD_DATABASE *DxePcdDbBinary;\r | |
732 | UINTN DxePcdDbSize;\r | |
733 | EFI_STATUS Status;\r | |
734 | \r | |
735 | DxePcdDbBinary = NULL;\r | |
736 | //\r | |
737 | // Search the External Pcd database from one section of current FFS, \r | |
738 | // and read it to memory\r | |
739 | //\r | |
740 | Status = GetSectionFromFfs (\r | |
741 | EFI_SECTION_RAW,\r | |
742 | 0,\r | |
743 | (VOID **) &DxePcdDbBinary,\r | |
744 | &DxePcdDbSize\r | |
745 | );\r | |
746 | ASSERT_EFI_ERROR (Status);\r | |
747 | \r | |
748 | //\r | |
749 | // Check the first bytes (Header Signature Guid) and build version.\r | |
750 | //\r | |
751 | if (!CompareGuid ((VOID *)DxePcdDbBinary, &gPcdDataBaseSignatureGuid) ||\r | |
752 | (DxePcdDbBinary->BuildVersion != PCD_SERVICE_DXE_VERSION)) {\r | |
753 | ASSERT (FALSE);\r | |
754 | }\r | |
755 | \r | |
756 | return DxePcdDbBinary;\r | |
757 | }\r | |
80408db0 | 758 | \r |
2ab6330e | 759 | /**\r |
760 | Initialize the PCD database in DXE phase.\r | |
761 | \r | |
762 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
763 | from GUID Hob.\r | |
80408db0 | 764 | \r |
2ab6330e | 765 | **/\r |
80408db0 | 766 | VOID\r |
767 | BuildPcdDxeDataBase (\r | |
768 | VOID\r | |
769 | )\r | |
770 | {\r | |
771 | PEI_PCD_DATABASE *PeiDatabase;\r | |
772 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
2ab6330e | 773 | UINTN Index;\r |
419db80b BF |
774 | UINT32 PcdDxeDbLen;\r |
775 | VOID *PcdDxeDb;\r | |
80408db0 | 776 | \r |
efd6b412 SZ |
777 | //\r |
778 | // Assign PCD Entries with default value to PCD DATABASE\r | |
779 | //\r | |
780 | mPcdDatabase.DxeDb = LocateExPcdBinary ();\r | |
781 | ASSERT(mPcdDatabase.DxeDb != NULL);\r | |
782 | PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;\r | |
783 | PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);\r | |
784 | ASSERT (PcdDxeDb != NULL);\r | |
785 | CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);\r | |
786 | FreePool (mPcdDatabase.DxeDb);\r | |
787 | mPcdDatabase.DxeDb = PcdDxeDb;\r | |
788 | \r | |
80408db0 | 789 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
790 | if (GuidHob != NULL) {\r | |
791 | \r | |
80408db0 | 792 | // \r |
793 | // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM\r | |
794 | // should not be included at all. So the GuidHob could\r | |
795 | // be NULL. If it is NULL, we just copy over the DXE Default\r | |
796 | // Value to PCD Database.\r | |
797 | //\r | |
798 | \r | |
799 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
800 | //\r | |
419db80b | 801 | // Assign PCD Entries refereneced in PEI phase to PCD DATABASE\r |
80408db0 | 802 | //\r |
419db80b | 803 | mPcdDatabase.PeiDb = PeiDatabase;\r |
efd6b412 SZ |
804 | //\r |
805 | // Inherit the SystemSkuId from PEI phase.\r | |
806 | //\r | |
807 | mPcdDatabase.DxeDb->SystemSkuId = mPcdDatabase.PeiDb->SystemSkuId;\r | |
808 | } else {\r | |
809 | mPcdDatabase.PeiDb = AllocateZeroPool (sizeof (PEI_PCD_DATABASE));\r | |
810 | ASSERT(mPcdDatabase.PeiDb != NULL);\r | |
80408db0 | 811 | }\r |
812 | \r | |
419db80b BF |
813 | //\r |
814 | // Initialized the external PCD database local variables\r | |
815 | //\r | |
816 | mPeiLocalTokenCount = mPcdDatabase.PeiDb->LocalTokenCount;\r | |
817 | mDxeLocalTokenCount = mPcdDatabase.DxeDb->LocalTokenCount;\r | |
818 | \r | |
819 | mPeiExMapppingTableSize = mPcdDatabase.PeiDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
820 | mDxeExMapppingTableSize = mPcdDatabase.DxeDb->ExTokenCount * sizeof (DYNAMICEX_MAPPING);\r | |
821 | mPeiGuidTableSize = mPcdDatabase.PeiDb->GuidTableCount * sizeof(GUID);\r | |
822 | mDxeGuidTableSize = mPcdDatabase.DxeDb->GuidTableCount * sizeof (GUID);\r | |
823 | \r | |
824 | mPcdTotalTokenCount = mPeiLocalTokenCount + mDxeLocalTokenCount;\r | |
825 | mPeiNexTokenCount = mPeiLocalTokenCount - mPcdDatabase.PeiDb->ExTokenCount;\r | |
826 | mDxeNexTokenCount = mDxeLocalTokenCount - mPcdDatabase.DxeDb->ExTokenCount; \r | |
827 | \r | |
828 | mPeiExMapTableEmpty = (mPcdDatabase.PeiDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
829 | mDxeExMapTableEmpty = (mPcdDatabase.DxeDb->ExTokenCount == 0) ? TRUE : FALSE;\r | |
830 | mPeiDatabaseEmpty = (mPeiLocalTokenCount == 0) ? TRUE : FALSE;\r | |
831 | \r | |
832 | TmpTokenSpaceBufferCount = mPcdDatabase.PeiDb->ExTokenCount + mPcdDatabase.DxeDb->ExTokenCount;\r | |
833 | TmpTokenSpaceBuffer = (EFI_GUID **)AllocateZeroPool(TmpTokenSpaceBufferCount * sizeof (EFI_GUID *));\r | |
80408db0 | 834 | \r |
835 | //\r | |
836 | // Initialized the Callback Function Table\r | |
837 | //\r | |
419db80b | 838 | mCallbackFnTable = AllocateZeroPool (mPcdTotalTokenCount * sizeof (LIST_ENTRY));\r |
3fd8027e | 839 | ASSERT(mCallbackFnTable != NULL);\r |
419db80b BF |
840 | \r |
841 | //\r | |
80408db0 | 842 | // EBC compiler is very choosy. It may report warning about comparison\r |
843 | // between UINTN and 0 . So we add 1 in each size of the \r | |
844 | // comparison.\r | |
419db80b BF |
845 | //\r |
846 | for (Index = 0; Index + 1 < mPcdTotalTokenCount + 1; Index++) {\r | |
2ab6330e | 847 | InitializeListHead (&mCallbackFnTable[Index]);\r |
80408db0 | 848 | }\r |
80408db0 | 849 | }\r |
850 | \r | |
2ab6330e | 851 | /**\r |
852 | Get Variable which contains HII type PCD entry.\r | |
80408db0 | 853 | \r |
2ab6330e | 854 | @param VariableGuid Variable's guid\r |
855 | @param VariableName Variable's unicode name string\r | |
856 | @param VariableData Variable's data pointer, \r | |
857 | @param VariableSize Variable's size.\r | |
80408db0 | 858 | \r |
2ab6330e | 859 | @return the status of gRT->GetVariable\r |
860 | **/\r | |
80408db0 | 861 | EFI_STATUS\r |
862 | GetHiiVariable (\r | |
863 | IN EFI_GUID *VariableGuid,\r | |
864 | IN UINT16 *VariableName,\r | |
865 | OUT UINT8 **VariableData,\r | |
866 | OUT UINTN *VariableSize\r | |
867 | )\r | |
868 | {\r | |
869 | UINTN Size;\r | |
870 | EFI_STATUS Status;\r | |
871 | UINT8 *Buffer;\r | |
872 | \r | |
873 | Size = 0;\r | |
874 | Buffer = NULL;\r | |
875 | \r | |
2ab6330e | 876 | //\r |
877 | // Firstly get the real size of HII variable\r | |
878 | //\r | |
80408db0 | 879 | Status = gRT->GetVariable (\r |
880 | (UINT16 *)VariableName,\r | |
881 | VariableGuid,\r | |
882 | NULL,\r | |
883 | &Size,\r | |
884 | Buffer\r | |
885 | );\r | |
886 | \r | |
2ab6330e | 887 | //\r |
888 | // Allocate buffer to hold whole variable data according to variable size.\r | |
889 | //\r | |
80408db0 | 890 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
891 | Buffer = (UINT8 *) AllocatePool (Size);\r | |
892 | \r | |
893 | ASSERT (Buffer != NULL);\r | |
894 | \r | |
895 | Status = gRT->GetVariable (\r | |
896 | VariableName,\r | |
897 | VariableGuid,\r | |
898 | NULL,\r | |
899 | &Size,\r | |
900 | Buffer\r | |
901 | );\r | |
902 | \r | |
903 | ASSERT (Status == EFI_SUCCESS);\r | |
904 | *VariableData = Buffer;\r | |
905 | *VariableSize = Size;\r | |
0b1ef275 LG |
906 | } else {\r |
907 | //\r | |
908 | // Use Default Data only when variable is not found. \r | |
909 | // For other error status, correct data can't be got, and trig ASSERT().\r | |
910 | //\r | |
911 | ASSERT (Status == EFI_NOT_FOUND);\r | |
80408db0 | 912 | }\r |
913 | \r | |
914 | return Status;\r | |
915 | }\r | |
916 | \r | |
2ab6330e | 917 | /**\r |
918 | Find the local token number according to system SKU ID.\r | |
919 | \r | |
920 | @param LocalTokenNumber PCD token number\r | |
921 | @param Size The size of PCD entry.\r | |
922 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
923 | If False, the PCD entry is initialized in DXE phase.\r | |
924 | \r | |
925 | @return Token number according to system SKU ID.\r | |
80408db0 | 926 | \r |
2ab6330e | 927 | **/\r |
80408db0 | 928 | UINT32\r |
929 | GetSkuEnabledTokenNumber (\r | |
930 | UINT32 LocalTokenNumber,\r | |
931 | UINTN Size,\r | |
932 | BOOLEAN IsPeiDb\r | |
933 | ) \r | |
934 | {\r | |
935 | SKU_HEAD *SkuHead;\r | |
936 | SKU_ID *SkuIdTable;\r | |
2ab6330e | 937 | INTN Index;\r |
80408db0 | 938 | UINT8 *Value;\r |
80408db0 | 939 | UINT8 *PcdDb;\r |
419db80b | 940 | BOOLEAN FoundSku;\r |
80408db0 | 941 | \r |
942 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
943 | \r | |
419db80b | 944 | PcdDb = IsPeiDb ? (UINT8 *) mPcdDatabase.PeiDb : (UINT8 *) mPcdDatabase.DxeDb;\r |
80408db0 | 945 | \r |
946 | SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
947 | Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset); \r | |
948 | \r | |
419db80b | 949 | SkuIdTable = (SKU_ID *)(PcdDb + SkuHead->SkuIdTableOffset);\r |
2ab6330e | 950 | //\r |
951 | // Find the current system's SKU ID entry in SKU ID table.\r | |
952 | //\r | |
419db80b | 953 | FoundSku = FALSE;\r |
2ab6330e | 954 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 955 | if (mPcdDatabase.DxeDb->SystemSkuId == SkuIdTable[Index + 1]) {\r |
419db80b | 956 | FoundSku = TRUE;\r |
80408db0 | 957 | break;\r |
958 | }\r | |
959 | }\r | |
419db80b BF |
960 | \r |
961 | //\r | |
962 | // Find the default SKU ID entry in SKU ID table.\r | |
963 | //\r | |
964 | \r | |
965 | if(!FoundSku) {\r | |
966 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
967 | if (0 == SkuIdTable[Index + 1]) {\r | |
968 | break;\r | |
969 | }\r | |
970 | }\r | |
971 | }\r | |
2ab6330e | 972 | ASSERT (Index < SkuIdTable[0]);\r |
80408db0 | 973 | \r |
974 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
975 | case PCD_TYPE_VPD:\r | |
2ab6330e | 976 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);\r |
80408db0 | 977 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);\r |
978 | \r | |
979 | case PCD_TYPE_HII:\r | |
2ab6330e | 980 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r |
80408db0 | 981 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);\r |
982 | \r | |
419db80b BF |
983 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
984 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);\r | |
985 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII | PCD_TYPE_STRING);\r | |
986 | \r | |
80408db0 | 987 | case PCD_TYPE_STRING:\r |
2ab6330e | 988 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);\r |
80408db0 | 989 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);\r |
990 | \r | |
991 | case PCD_TYPE_DATA:\r | |
2ab6330e | 992 | Value += Size * Index;\r |
419db80b | 993 | return (UINT32) ((Value - PcdDb) | PCD_TYPE_DATA);\r |
80408db0 | 994 | \r |
995 | default:\r | |
996 | ASSERT (FALSE);\r | |
997 | }\r | |
998 | \r | |
999 | ASSERT (FALSE);\r | |
1000 | \r | |
1001 | return 0;\r | |
1002 | \r | |
1003 | }\r | |
1004 | \r | |
2ab6330e | 1005 | /**\r |
1006 | Invoke the callback function when dynamic PCD entry was set, if this PCD entry \r | |
1007 | has registered callback function.\r | |
80408db0 | 1008 | \r |
2ab6330e | 1009 | @param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx\r |
1010 | type PCD.\r | |
1011 | @param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type\r | |
1012 | PCD.\r | |
1013 | @param TokenNumber PCD token number generated by build tools.\r | |
1014 | @param Data Value want to be set for this PCD entry\r | |
1015 | @param Size The size of value\r | |
80408db0 | 1016 | \r |
2ab6330e | 1017 | **/\r |
80408db0 | 1018 | VOID\r |
1019 | InvokeCallbackOnSet (\r | |
1020 | UINT32 ExTokenNumber,\r | |
1021 | CONST EFI_GUID *Guid, OPTIONAL\r | |
1022 | UINTN TokenNumber,\r | |
1023 | VOID *Data,\r | |
1024 | UINTN Size\r | |
1025 | )\r | |
1026 | {\r | |
1027 | CALLBACK_FN_ENTRY *FnTableEntry;\r | |
1028 | LIST_ENTRY *ListHead;\r | |
1029 | LIST_ENTRY *ListNode;\r | |
1030 | \r | |
1031 | //\r | |
1032 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1033 | // We have to decrement TokenNumber by 1 to make it usable\r | |
b07a5b68 | 1034 | // as the array index of mCallbackFnTable[].\r |
80408db0 | 1035 | //\r |
b07a5b68 | 1036 | ListHead = &mCallbackFnTable[TokenNumber - 1];\r |
80408db0 | 1037 | ListNode = GetFirstNode (ListHead);\r |
1038 | \r | |
1039 | while (ListNode != ListHead) {\r | |
b07a5b68 | 1040 | FnTableEntry = CR_FNENTRY_FROM_LISTNODE (ListNode, CALLBACK_FN_ENTRY, Node);\r |
80408db0 | 1041 | \r |
1042 | FnTableEntry->CallbackFn(Guid, \r | |
1043 | (Guid == NULL) ? TokenNumber : ExTokenNumber,\r | |
1044 | Data,\r | |
1045 | Size);\r | |
1046 | \r | |
1047 | ListNode = GetNextNode (ListHead, ListNode);\r | |
1048 | }\r | |
1049 | \r | |
1050 | return;\r | |
1051 | }\r | |
1052 | \r | |
1053 | \r | |
2ab6330e | 1054 | /**\r |
1055 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
1056 | \r | |
1057 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1058 | @param Data Value want to be set for PCD entry\r | |
1059 | @param Size Size of value.\r | |
1060 | \r | |
1061 | @return status of SetWorker.\r | |
1062 | \r | |
1063 | **/\r | |
80408db0 | 1064 | EFI_STATUS\r |
1065 | SetValueWorker (\r | |
1066 | IN UINTN TokenNumber,\r | |
1067 | IN VOID *Data,\r | |
1068 | IN UINTN Size\r | |
1069 | )\r | |
1070 | {\r | |
1071 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
1072 | }\r | |
1073 | \r | |
1074 | \r | |
2ab6330e | 1075 | /**\r |
1076 | Set value for an PCD entry\r | |
1077 | \r | |
1078 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
1079 | @param Data Value want to be set for PCD entry\r | |
1080 | @param Size Size of value.\r | |
1081 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
1082 | If False, the type of PCD entry's value is not Pointer.\r | |
1083 | \r | |
1084 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
1085 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
149fb6d6 | 1086 | @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database. \r |
2ab6330e | 1087 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r |
1088 | range of UINT8, UINT16, UINT32, UINT64\r | |
1089 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
1090 | **/\r | |
80408db0 | 1091 | EFI_STATUS\r |
1092 | SetWorker (\r | |
1093 | IN UINTN TokenNumber,\r | |
1094 | IN VOID *Data,\r | |
1095 | IN OUT UINTN *Size,\r | |
1096 | IN BOOLEAN PtrType\r | |
1097 | )\r | |
1098 | {\r | |
80408db0 | 1099 | BOOLEAN IsPeiDb;\r |
1100 | UINT32 LocalTokenNumber;\r | |
1101 | EFI_GUID *GuidTable;\r | |
d0965169 | 1102 | UINT8 *StringTable;\r |
80408db0 | 1103 | EFI_GUID *Guid;\r |
1104 | UINT16 *Name;\r | |
1105 | UINTN VariableOffset;\r | |
1106 | VOID *InternalData;\r | |
1107 | VARIABLE_HEAD *VariableHead;\r | |
1108 | UINTN Offset;\r | |
1109 | UINT8 *PcdDb;\r | |
1110 | EFI_STATUS Status;\r | |
1111 | UINTN MaxSize;\r | |
1112 | UINTN TmpTokenNumber;\r | |
1113 | \r | |
80408db0 | 1114 | //\r |
1115 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
1116 | // We have to decrement TokenNumber by 1 to make it usable\r | |
1117 | // as the array index.\r | |
1118 | //\r | |
1119 | TokenNumber--;\r | |
1120 | \r | |
1121 | TmpTokenNumber = TokenNumber;\r | |
1122 | \r | |
2ab6330e | 1123 | //\r |
80408db0 | 1124 | // EBC compiler is very choosy. It may report warning about comparison\r |
1125 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1126 | // comparison.\r | |
2ab6330e | 1127 | //\r |
419db80b | 1128 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 1129 | \r |
8ec8bed4 | 1130 | if (PtrType) {\r |
64894410 LG |
1131 | //\r |
1132 | // Get MaxSize first, then check new size with max buffer size.\r | |
1133 | //\r | |
1134 | GetPtrTypeSize (TokenNumber, &MaxSize);\r | |
1135 | if (*Size > MaxSize) {\r | |
cb40609c | 1136 | *Size = MaxSize;\r |
8ec8bed4 | 1137 | return EFI_INVALID_PARAMETER;\r |
1138 | }\r | |
1139 | } else {\r | |
1140 | if (*Size != DxePcdGetSize (TokenNumber + 1)) {\r | |
1141 | return EFI_INVALID_PARAMETER;\r | |
1142 | }\r | |
80408db0 | 1143 | }\r |
b07a5b68 | 1144 | \r |
2ab6330e | 1145 | //\r |
80408db0 | 1146 | // EBC compiler is very choosy. It may report warning about comparison\r |
1147 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1148 | // comparison.\r | |
2ab6330e | 1149 | //\r |
419db80b BF |
1150 | if ((TokenNumber + 1 < mPeiNexTokenCount + 1) ||\r |
1151 | (TokenNumber + 1 >= mPeiLocalTokenCount + 1 && TokenNumber + 1 < (mPeiLocalTokenCount + mDxeNexTokenCount + 1))) {\r | |
b07a5b68 | 1152 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
1153 | }\r | |
80408db0 | 1154 | \r |
b07a5b68 | 1155 | //\r |
1156 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1157 | //\r | |
1158 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
80408db0 | 1159 | \r |
2ab6330e | 1160 | //\r |
80408db0 | 1161 | // EBC compiler is very choosy. It may report warning about comparison\r |
1162 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1163 | // comparison.\r | |
2ab6330e | 1164 | //\r |
419db80b | 1165 | IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < mPeiLocalTokenCount + 1) ? TRUE : FALSE);\r |
b07a5b68 | 1166 | \r |
96d6d004 | 1167 | LocalTokenNumber = GetLocalTokenNumber (IsPeiDb, TokenNumber + 1);\r |
80408db0 | 1168 | \r |
1169 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r | |
1170 | \r | |
419db80b | 1171 | PcdDb = IsPeiDb ? ((UINT8 *) mPcdDatabase.PeiDb) : ((UINT8 *) mPcdDatabase.DxeDb);\r |
80408db0 | 1172 | \r |
309e3122 | 1173 | if (IsPeiDb) {\r |
419db80b | 1174 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->StringTableOffset);\r |
309e3122 | 1175 | } else {\r |
419db80b | 1176 | StringTable = (UINT8 *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->StringTableOffset);\r |
309e3122 | 1177 | }\r |
1178 | \r | |
80408db0 | 1179 | \r |
1180 | InternalData = PcdDb + Offset;\r | |
1181 | \r | |
1182 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r | |
1183 | case PCD_TYPE_VPD:\r | |
1184 | ASSERT (FALSE);\r | |
1185 | Status = EFI_INVALID_PARAMETER;\r | |
1186 | break;\r | |
1187 | \r | |
1188 | case PCD_TYPE_STRING:\r | |
1189 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
6cfc7292 | 1190 | CopyMem (StringTable + *((STRING_HEAD *)InternalData), Data, *Size);\r |
80408db0 | 1191 | Status = EFI_SUCCESS;\r |
1192 | } else {\r | |
1193 | Status = EFI_INVALID_PARAMETER;\r | |
1194 | }\r | |
1195 | break;\r | |
1196 | \r | |
6ac15f7c | 1197 | case PCD_TYPE_HII|PCD_TYPE_STRING:\r |
80408db0 | 1198 | case PCD_TYPE_HII:\r |
1199 | if (PtrType) {\r | |
1200 | if (!SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1201 | Status = EFI_INVALID_PARAMETER;\r | |
1202 | break;\r | |
1203 | }\r | |
1204 | }\r | |
419db80b | 1205 | \r |
309e3122 | 1206 | if (IsPeiDb) {\r |
419db80b | 1207 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r |
309e3122 | 1208 | } else {\r |
419db80b | 1209 | GuidTable = (EFI_GUID *) ((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r |
309e3122 | 1210 | }\r |
419db80b | 1211 | \r |
80408db0 | 1212 | VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);\r |
419db80b | 1213 | \r |
1fef733c | 1214 | Guid = GuidTable + VariableHead->GuidTableIndex;\r |
d0965169 | 1215 | Name = (UINT16*) (StringTable + VariableHead->StringIndex);\r |
80408db0 | 1216 | VariableOffset = VariableHead->Offset;\r |
80408db0 | 1217 | Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);\r |
419db80b | 1218 | \r |
80408db0 | 1219 | if (EFI_NOT_FOUND == Status) {\r |
6ac15f7c | 1220 | if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {\r |
1221 | CopyMem (\r | |
6cfc7292 | 1222 | StringTable + *(STRING_HEAD *)(PcdDb + VariableHead->DefaultValueOffset),\r |
6ac15f7c | 1223 | Data,\r |
1224 | *Size\r | |
1225 | );\r | |
1226 | } else {\r | |
1227 | CopyMem (PcdDb + VariableHead->DefaultValueOffset, Data, *Size);\r | |
1228 | } \r | |
80408db0 | 1229 | Status = EFI_SUCCESS;\r |
6ac15f7c | 1230 | }\r |
80408db0 | 1231 | break;\r |
1232 | \r | |
1233 | case PCD_TYPE_DATA:\r | |
1234 | if (PtrType) {\r | |
1235 | if (SetPtrTypeSize (TmpTokenNumber, Size)) {\r | |
1236 | CopyMem (InternalData, Data, *Size);\r | |
1237 | Status = EFI_SUCCESS;\r | |
1238 | } else {\r | |
1239 | Status = EFI_INVALID_PARAMETER;\r | |
1240 | }\r | |
1241 | break;\r | |
1242 | }\r | |
1243 | \r | |
1244 | Status = EFI_SUCCESS;\r | |
1245 | switch (*Size) {\r | |
1246 | case sizeof(UINT8):\r | |
1247 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
1248 | break;\r | |
1249 | \r | |
1250 | case sizeof(UINT16):\r | |
1251 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
1252 | break;\r | |
1253 | \r | |
1254 | case sizeof(UINT32):\r | |
1255 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
1256 | break;\r | |
1257 | \r | |
1258 | case sizeof(UINT64):\r | |
1259 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
1260 | break;\r | |
1261 | \r | |
1262 | default:\r | |
1263 | ASSERT (FALSE);\r | |
1264 | Status = EFI_NOT_FOUND;\r | |
1265 | break;\r | |
1266 | }\r | |
1267 | break;\r | |
1268 | \r | |
1269 | default:\r | |
1270 | ASSERT (FALSE);\r | |
1271 | Status = EFI_NOT_FOUND;\r | |
1272 | break;\r | |
1273 | }\r | |
1274 | \r | |
1275 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
1276 | \r | |
1277 | return Status;\r | |
1278 | }\r | |
1279 | \r | |
2ab6330e | 1280 | /**\r |
1281 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
80408db0 | 1282 | \r |
2ab6330e | 1283 | @param Guid Token space guid for dynamic-ex PCD.\r |
3fd8027e | 1284 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
2ab6330e | 1285 | @param GetSize The size of dynamic-ex PCD value.\r |
80408db0 | 1286 | \r |
2ab6330e | 1287 | @return PCD entry in PCD database.\r |
80408db0 | 1288 | \r |
2ab6330e | 1289 | **/\r |
80408db0 | 1290 | VOID *\r |
1291 | ExGetWorker (\r | |
1292 | IN CONST EFI_GUID *Guid,\r | |
1293 | IN UINTN ExTokenNumber,\r | |
1294 | IN UINTN GetSize\r | |
1295 | ) \r | |
1296 | {\r | |
1297 | return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);\r | |
1298 | }\r | |
1299 | \r | |
2ab6330e | 1300 | /**\r |
1301 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
80408db0 | 1302 | \r |
2ab6330e | 1303 | @param ExTokenNumber Token number for dynamic-ex PCD.\r |
1304 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1305 | @param Data Value want to be set.\r | |
1306 | @param SetSize The size of value.\r | |
80408db0 | 1307 | \r |
2ab6330e | 1308 | @return status of ExSetWorker().\r |
80408db0 | 1309 | \r |
2ab6330e | 1310 | **/\r |
80408db0 | 1311 | EFI_STATUS\r |
1312 | ExSetValueWorker (\r | |
1313 | IN UINTN ExTokenNumber,\r | |
1314 | IN CONST EFI_GUID *Guid,\r | |
1315 | IN VOID *Data,\r | |
1316 | IN UINTN SetSize\r | |
1317 | )\r | |
1318 | {\r | |
1319 | return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);\r | |
1320 | }\r | |
1321 | \r | |
2ab6330e | 1322 | /**\r |
419db80b | 1323 | Set value for a dynamic-ex PCD entry.\r |
2ab6330e | 1324 | \r |
1325 | This routine find the local token number according to dynamic-ex PCD's token \r | |
1326 | space guid and token number firstly, and invoke callback function if this PCD\r | |
1327 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
1328 | PCD value.\r | |
1329 | \r | |
1330 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
1331 | @param Guid Token space guid for dynamic-ex PCD.\r | |
1332 | @param Data PCD value want to be set\r | |
1333 | @param SetSize Size of value.\r | |
1334 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
1335 | If FALSE, this PCD entry is not pointer type.\r | |
1336 | \r | |
1337 | @return status of SetWorker().\r | |
80408db0 | 1338 | \r |
2ab6330e | 1339 | **/\r |
80408db0 | 1340 | EFI_STATUS\r |
1341 | ExSetWorker (\r | |
1342 | IN UINTN ExTokenNumber,\r | |
1343 | IN CONST EFI_GUID *Guid,\r | |
1344 | IN VOID *Data,\r | |
1345 | IN OUT UINTN *SetSize,\r | |
1346 | IN BOOLEAN PtrType\r | |
1347 | )\r | |
1348 | {\r | |
1349 | UINTN TokenNumber;\r | |
1350 | \r | |
1351 | TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);\r | |
1352 | \r | |
1353 | InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);\r | |
1354 | \r | |
1355 | return SetWorker (TokenNumber, Data, SetSize, PtrType);\r | |
1356 | \r | |
1357 | }\r | |
1358 | \r | |
2ab6330e | 1359 | /**\r |
1360 | Set value for HII-type PCD.\r | |
80408db0 | 1361 | \r |
2ab6330e | 1362 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r |
1363 | HII-type PCD is to visit this variable.\r | |
1364 | \r | |
1365 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
1366 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
1367 | @param Data Value want to be set.\r | |
1368 | @param DataSize Size of value\r | |
1369 | @param Offset Value offset of HII-type PCD in variable.\r | |
80408db0 | 1370 | \r |
2ab6330e | 1371 | @return status of GetVariable()/SetVariable().\r |
80408db0 | 1372 | \r |
2ab6330e | 1373 | **/\r |
80408db0 | 1374 | EFI_STATUS\r |
1375 | SetHiiVariable (\r | |
1376 | IN EFI_GUID *VariableGuid,\r | |
1377 | IN UINT16 *VariableName,\r | |
1378 | IN CONST VOID *Data,\r | |
1379 | IN UINTN DataSize,\r | |
1380 | IN UINTN Offset\r | |
1381 | )\r | |
1382 | {\r | |
1383 | UINTN Size;\r | |
1384 | VOID *Buffer;\r | |
1385 | EFI_STATUS Status;\r | |
1386 | UINT32 Attribute;\r | |
b13151ff | 1387 | UINTN SetSize;\r |
80408db0 | 1388 | \r |
1389 | Size = 0;\r | |
b13151ff | 1390 | SetSize = 0;\r |
80408db0 | 1391 | \r |
746be876 | 1392 | //\r |
1393 | // Try to get original variable size information.\r | |
1394 | //\r | |
80408db0 | 1395 | Status = gRT->GetVariable (\r |
1396 | (UINT16 *)VariableName,\r | |
1397 | VariableGuid,\r | |
1398 | NULL,\r | |
1399 | &Size,\r | |
1400 | NULL\r | |
1401 | );\r | |
b13151ff | 1402 | \r |
80408db0 | 1403 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
746be876 | 1404 | //\r |
1405 | // Patch new PCD's value to offset in given HII variable.\r | |
1406 | //\r | |
b13151ff LG |
1407 | if (Size >= (DataSize + Offset)) {\r |
1408 | SetSize = Size;\r | |
1409 | } else {\r | |
1410 | SetSize = DataSize + Offset;\r | |
1411 | }\r | |
1412 | Buffer = AllocatePool (SetSize);\r | |
80408db0 | 1413 | ASSERT (Buffer != NULL);\r |
1414 | \r | |
1415 | Status = gRT->GetVariable (\r | |
1416 | VariableName,\r | |
1417 | VariableGuid,\r | |
1418 | &Attribute,\r | |
1419 | &Size,\r | |
1420 | Buffer\r | |
1421 | );\r | |
1422 | \r | |
1423 | ASSERT_EFI_ERROR (Status);\r | |
1424 | \r | |
1425 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1426 | \r | |
1427 | Status = gRT->SetVariable (\r | |
1428 | VariableName,\r | |
1429 | VariableGuid,\r | |
1430 | Attribute,\r | |
b13151ff | 1431 | SetSize,\r |
80408db0 | 1432 | Buffer\r |
1433 | );\r | |
1434 | \r | |
1435 | FreePool (Buffer);\r | |
1436 | return Status;\r | |
746be876 | 1437 | } else if (Status == EFI_NOT_FOUND) {\r |
1438 | //\r | |
1439 | // If variable does not exist, a new variable need to be created.\r | |
1440 | //\r | |
1441 | \r | |
1442 | Size = Offset + DataSize;\r | |
1443 | \r | |
1444 | Buffer = AllocateZeroPool (Size);\r | |
1445 | ASSERT (Buffer != NULL);\r | |
1446 | \r | |
1447 | CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);\r | |
1448 | \r | |
1449 | Status = gRT->SetVariable (\r | |
1450 | VariableName,\r | |
1451 | VariableGuid,\r | |
1452 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
1453 | Size,\r | |
1454 | Buffer\r | |
1455 | );\r | |
1456 | \r | |
1457 | FreePool (Buffer);\r | |
1458 | return Status; \r | |
1459 | }\r | |
80408db0 | 1460 | \r |
1461 | //\r | |
746be876 | 1462 | // If we drop to here, the value is failed to be written in to variable area\r |
1463 | // So, we will save the data in the PCD Database's volatile area.\r | |
80408db0 | 1464 | //\r |
1465 | return Status;\r | |
1466 | }\r | |
1467 | \r | |
2ab6330e | 1468 | /**\r |
419db80b | 1469 | Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r |
80408db0 | 1470 | \r |
2ab6330e | 1471 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r |
1472 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
419db80b | 1473 | space guid: token number} to Token Number.\r |
2ab6330e | 1474 | \r |
1475 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
b9982883 | 1476 | @param ExTokenNumber Dynamic-ex PCD token number.\r |
80408db0 | 1477 | \r |
419db80b | 1478 | @return Token Number for dynamic-ex PCD.\r |
80408db0 | 1479 | \r |
2ab6330e | 1480 | **/\r |
80408db0 | 1481 | UINTN \r |
1482 | GetExPcdTokenNumber (\r | |
1483 | IN CONST EFI_GUID *Guid,\r | |
1484 | IN UINT32 ExTokenNumber\r | |
1485 | )\r | |
1486 | {\r | |
2ab6330e | 1487 | UINT32 Index;\r |
80408db0 | 1488 | DYNAMICEX_MAPPING *ExMap;\r |
1489 | EFI_GUID *GuidTable;\r | |
1490 | EFI_GUID *MatchGuid;\r | |
1491 | UINTN MatchGuidIdx;\r | |
1492 | \r | |
419db80b BF |
1493 | if (!mPeiDatabaseEmpty) {\r |
1494 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset);\r | |
1495 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset);\r | |
1496 | \r | |
1497 | MatchGuid = ScanGuid (GuidTable, mPeiGuidTableSize, Guid);\r | |
1498 | \r | |
80408db0 | 1499 | if (MatchGuid != NULL) {\r |
1500 | \r | |
1501 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
1502 | \r |
1503 | for (Index = 0; Index < mPeiExMapppingTableSize; Index++) {\r | |
2ab6330e | 1504 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1505 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1506 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1507 | }\r |
1508 | }\r | |
1509 | }\r | |
1510 | }\r | |
80408db0 | 1511 | \r |
419db80b BF |
1512 | ExMap = (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset);\r |
1513 | GuidTable = (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset);\r | |
1514 | \r | |
1515 | MatchGuid = ScanGuid (GuidTable, mDxeGuidTableSize, Guid);\r | |
80408db0 | 1516 | //\r |
1517 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
1518 | // error in the BUILD system.\r | |
1519 | //\r | |
1520 | ASSERT (MatchGuid != NULL);\r | |
1521 | \r | |
1522 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
419db80b BF |
1523 | \r |
1524 | for (Index = 0; Index < mDxeExMapppingTableSize; Index++) {\r | |
2ab6330e | 1525 | if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&\r |
1526 | (MatchGuidIdx == ExMap[Index].ExGuidIndex)) {\r | |
419db80b | 1527 | return ExMap[Index].TokenNumber;\r |
80408db0 | 1528 | }\r |
1529 | }\r | |
1530 | \r | |
1531 | ASSERT (FALSE);\r | |
1532 | \r | |
1533 | return 0;\r | |
1534 | }\r | |
1535 | \r | |
2ab6330e | 1536 | /**\r |
3fd8027e | 1537 | Get SKU ID table from PCD database.\r |
2ab6330e | 1538 | \r |
1539 | @param LocalTokenNumberTableIdx Index of local token number in token number table.\r | |
419db80b BF |
1540 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1541 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
2ab6330e | 1542 | @return Pointer to SKU ID array table\r |
1543 | \r | |
1544 | **/\r | |
80408db0 | 1545 | SKU_ID *\r |
1546 | GetSkuIdArray (\r | |
1547 | IN UINTN LocalTokenNumberTableIdx,\r | |
419db80b | 1548 | IN BOOLEAN IsPeiDb\r |
80408db0 | 1549 | )\r |
1550 | {\r | |
1551 | SKU_HEAD *SkuHead;\r | |
1552 | UINTN LocalTokenNumber;\r | |
1553 | UINT8 *Database;\r | |
1554 | \r | |
419db80b BF |
1555 | if (IsPeiDb) {\r |
1556 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r | |
1557 | Database = (UINT8 *) mPcdDatabase.PeiDb;\r | |
80408db0 | 1558 | } else {\r |
419db80b BF |
1559 | LocalTokenNumber = *((UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
1560 | Database = (UINT8 *) mPcdDatabase.DxeDb;\r | |
80408db0 | 1561 | }\r |
1562 | \r | |
1563 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
1564 | \r | |
1565 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
1566 | \r | |
1567 | return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);\r | |
1568 | \r | |
1569 | }\r | |
1570 | \r | |
2ab6330e | 1571 | /**\r |
3d53ba8b | 1572 | Wrapper function of getting index of PCD entry in size table.\r |
1573 | \r | |
2ab6330e | 1574 | @param LocalTokenNumberTableIdx Index of this PCD in local token number table.\r |
2ab6330e | 1575 | @param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,\r |
1576 | If FALSE, the pcd entry is initialized in DXE phase.\r | |
1577 | \r | |
1578 | @return index of PCD entry in size table.\r | |
2ab6330e | 1579 | **/\r |
80408db0 | 1580 | UINTN\r |
3d53ba8b | 1581 | GetSizeTableIndex (\r |
1582 | IN UINTN LocalTokenNumberTableIdx,\r | |
1583 | IN BOOLEAN IsPeiDb\r | |
80408db0 | 1584 | )\r |
1585 | {\r | |
3d53ba8b | 1586 | UINT32 *LocalTokenNumberTable;\r |
1587 | UINTN LocalTokenNumber;\r | |
1588 | UINTN Index;\r | |
1589 | UINTN SizeTableIdx;\r | |
1590 | SKU_ID *SkuIdTable;\r | |
80408db0 | 1591 | \r |
3d53ba8b | 1592 | if (IsPeiDb) {\r |
419db80b | 1593 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1594 | } else {\r |
419db80b | 1595 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
3d53ba8b | 1596 | }\r |
1597 | \r | |
80408db0 | 1598 | SizeTableIdx = 0;\r |
1599 | \r | |
3d53ba8b | 1600 | for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {\r |
2ab6330e | 1601 | LocalTokenNumber = LocalTokenNumberTable[Index];\r |
80408db0 | 1602 | \r |
1603 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
1604 | //\r | |
1605 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1606 | // PCD entry.\r | |
1607 | //\r | |
2ab6330e | 1608 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1609 | //\r |
419db80b | 1610 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1611 | // 1) MAX Size.\r |
419db80b BF |
1612 | // 2) Current Size\r |
1613 | // Current size is equal to MAX size.\r | |
80408db0 | 1614 | //\r |
419db80b | 1615 | SizeTableIdx += 2;\r |
80408db0 | 1616 | } else {\r |
1617 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1618 | //\r | |
1619 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1620 | // 1) MAX SIZE\r | |
1621 | // 2) Current Size\r | |
1622 | //\r | |
1623 | SizeTableIdx += 2;\r | |
1624 | } else {\r | |
1625 | //\r | |
1626 | // We have these entry for SKU enabled PCD entry\r | |
1627 | // 1) MAX SIZE\r | |
1628 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1629 | //\r | |
2ab6330e | 1630 | SkuIdTable = GetSkuIdArray (Index, IsPeiDb);\r |
80408db0 | 1631 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r |
1632 | }\r | |
1633 | }\r | |
1634 | }\r | |
1635 | \r | |
1636 | }\r | |
1637 | \r | |
3d53ba8b | 1638 | return SizeTableIdx; \r |
80408db0 | 1639 | }\r |
1640 | \r | |
2ab6330e | 1641 | /**\r |
1642 | Get size of POINTER type PCD value.\r | |
1643 | \r | |
1644 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1645 | @param MaxSize Maxmium size of POINTER type PCD value.\r | |
80408db0 | 1646 | \r |
2ab6330e | 1647 | @return size of POINTER type PCD value.\r |
80408db0 | 1648 | \r |
2ab6330e | 1649 | **/\r |
80408db0 | 1650 | UINTN\r |
1651 | GetPtrTypeSize (\r | |
1652 | IN UINTN LocalTokenNumberTableIdx,\r | |
1653 | OUT UINTN *MaxSize\r | |
1654 | )\r | |
1655 | {\r | |
1656 | INTN SizeTableIdx;\r | |
1657 | UINTN LocalTokenNumber;\r | |
1658 | SKU_ID *SkuIdTable;\r | |
1659 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1660 | UINTN Index;\r |
80408db0 | 1661 | BOOLEAN IsPeiDb;\r |
1662 | UINT32 *LocalTokenNumberTable;\r | |
1663 | \r | |
1664 | // EBC compiler is very choosy. It may report warning about comparison\r | |
1665 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1666 | // comparison.\r | |
419db80b | 1667 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1668 | \r |
1669 | \r | |
1670 | if (IsPeiDb) {\r | |
419db80b BF |
1671 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1672 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1673 | } else {\r |
419db80b BF |
1674 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1675 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1676 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1677 | }\r |
1678 | \r | |
1679 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1680 | \r | |
1681 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1682 | \r | |
1683 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1684 | \r | |
1685 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1686 | //\r | |
1687 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1688 | // PCD entry.\r | |
1689 | //\r | |
2ab6330e | 1690 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1691 | //\r |
419db80b | 1692 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1693 | // 1) MAX Size.\r |
419db80b | 1694 | // 2) Current Size\r |
80408db0 | 1695 | // We consider current size is equal to MAX size.\r |
1696 | //\r | |
1697 | return *MaxSize;\r | |
1698 | } else {\r | |
1699 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1700 | //\r | |
1701 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1702 | // 1) MAX SIZE\r | |
1703 | // 2) Current Size\r | |
1704 | //\r | |
1705 | return SizeTable[SizeTableIdx + 1];\r | |
1706 | } else {\r | |
1707 | //\r | |
1708 | // We have these entry for SKU enabled PCD entry\r | |
1709 | // 1) MAX SIZE\r | |
1710 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1711 | //\r | |
1712 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1713 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1714 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1715 | return SizeTable[SizeTableIdx + 1 + Index];\r |
80408db0 | 1716 | }\r |
1717 | }\r | |
1718 | return SizeTable[SizeTableIdx + 1];\r | |
1719 | }\r | |
1720 | }\r | |
1721 | }\r | |
1722 | \r | |
2ab6330e | 1723 | /**\r |
3fd8027e | 1724 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r |
2ab6330e | 1725 | of this PCD value.\r |
80408db0 | 1726 | \r |
2ab6330e | 1727 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r |
1728 | @param CurrentSize Size of POINTER type PCD value.\r | |
80408db0 | 1729 | \r |
2ab6330e | 1730 | @retval TRUE Success to set size of PCD value.\r |
1731 | @retval FALSE Fail to set size of PCD value.\r | |
1732 | **/\r | |
80408db0 | 1733 | BOOLEAN\r |
1734 | SetPtrTypeSize (\r | |
1735 | IN UINTN LocalTokenNumberTableIdx,\r | |
1736 | IN OUT UINTN *CurrentSize\r | |
1737 | )\r | |
1738 | {\r | |
1739 | INTN SizeTableIdx;\r | |
1740 | UINTN LocalTokenNumber;\r | |
1741 | SKU_ID *SkuIdTable;\r | |
1742 | SIZE_INFO *SizeTable;\r | |
2ab6330e | 1743 | UINTN Index;\r |
80408db0 | 1744 | UINTN MaxSize;\r |
1745 | BOOLEAN IsPeiDb;\r | |
1746 | UINT32 *LocalTokenNumberTable;\r | |
1747 | \r | |
2ab6330e | 1748 | //\r |
80408db0 | 1749 | // EBC compiler is very choosy. It may report warning about comparison\r |
1750 | // between UINTN and 0 . So we add 1 in each size of the \r | |
1751 | // comparison.\r | |
2ab6330e | 1752 | //\r |
419db80b | 1753 | IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < mPeiLocalTokenCount + 1);\r |
80408db0 | 1754 | \r |
1755 | if (IsPeiDb) {\r | |
419db80b BF |
1756 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset);\r |
1757 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->SizeTableOffset);\r | |
80408db0 | 1758 | } else {\r |
419db80b BF |
1759 | LocalTokenNumberTableIdx -= mPeiLocalTokenCount;\r |
1760 | LocalTokenNumberTable = (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r | |
1761 | SizeTable = (SIZE_INFO *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SizeTableOffset);\r | |
80408db0 | 1762 | }\r |
1763 | \r | |
1764 | LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
1765 | \r | |
1766 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1767 | \r | |
1768 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);\r | |
1769 | \r | |
1770 | MaxSize = SizeTable[SizeTableIdx];\r | |
1771 | //\r | |
1772 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1773 | // PCD entry.\r | |
1774 | //\r | |
2ab6330e | 1775 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1776 | //\r |
1777 | // We shouldn't come here as we don't support SET for VPD\r | |
1778 | //\r | |
1779 | ASSERT (FALSE);\r | |
1780 | return FALSE;\r | |
1781 | } else {\r | |
1782 | if ((*CurrentSize > MaxSize) ||\r | |
1783 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1784 | *CurrentSize = MaxSize;\r | |
1785 | return FALSE;\r | |
1786 | } \r | |
1787 | \r | |
1788 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1789 | //\r | |
1790 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1791 | // 1) MAX SIZE\r | |
1792 | // 2) Current Size\r | |
1793 | //\r | |
1794 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1795 | return TRUE;\r | |
1796 | } else {\r | |
1797 | //\r | |
1798 | // We have these entry for SKU enabled PCD entry\r | |
1799 | // 1) MAX SIZE\r | |
1800 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1801 | //\r | |
1802 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);\r | |
2ab6330e | 1803 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
efd6b412 | 1804 | if (SkuIdTable[1 + Index] == mPcdDatabase.DxeDb->SystemSkuId) {\r |
2ab6330e | 1805 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r |
80408db0 | 1806 | return TRUE;\r |
1807 | }\r | |
1808 | }\r | |
1809 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1810 | return TRUE;\r | |
1811 | }\r | |
1812 | }\r | |
1813 | }\r |