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878ddf1f | 1 | /** @file\r |
2 | Private functions used by PCD PEIM.\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
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 | |
13 | \r | |
14 | Module Name: Service.c\r | |
15 | \r | |
16 | **/\r | |
878ddf1f | 17 | #include "Service.h"\r |
18 | \r | |
19 | \r | |
878ddf1f | 20 | /**\r |
52e1905d | 21 | The function registers the CallBackOnSet fucntion\r |
22 | according to TokenNumber and EFI_GUID space.\r | |
878ddf1f | 23 | \r |
52e1905d | 24 | @param[in] TokenNumber The token number.\r |
25 | @param[in] Guid The GUID space.\r | |
26 | @param[in] CallBackFunction The Callback function to be registered.\r | |
878ddf1f | 27 | \r |
52e1905d | 28 | @retval EFI_SUCCESS If the Callback function is registered.\r |
29 | @retval EFI_NOT_FOUND If the PCD Entry is not found according to Token Number and GUID space.\r | |
878ddf1f | 30 | --*/\r |
52e1905d | 31 | EFI_STATUS\r |
32 | PeiRegisterCallBackWorker (\r | |
8a43e8dd | 33 | IN UINTN ExTokenNumber,\r |
52e1905d | 34 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
35 | IN PCD_PPI_CALLBACK CallBackFunction,\r | |
36 | IN BOOLEAN Register\r | |
878ddf1f | 37 | )\r |
38 | {\r | |
52e1905d | 39 | EFI_HOB_GUID_TYPE *GuidHob;\r |
40 | PCD_PPI_CALLBACK *CallbackTable;\r | |
41 | PCD_PPI_CALLBACK Compare;\r | |
42 | PCD_PPI_CALLBACK Assign;\r | |
43 | UINT32 LocalTokenNumber;\r | |
8a43e8dd | 44 | UINTN TokenNumber;\r |
52e1905d | 45 | UINTN Idx;\r |
878ddf1f | 46 | \r |
52e1905d | 47 | if (Guid == NULL) {\r |
48 | TokenNumber = ExTokenNumber;\r | |
58f1099f | 49 | \r |
50 | //\r | |
51 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
52 | // We have to decrement TokenNumber by 1 to make it usable\r | |
53 | // as the array index.\r | |
54 | //\r | |
55 | TokenNumber--;\r | |
00b7af13 | 56 | ASSERT (TokenNumber < PEI_NEX_TOKEN_NUMBER);\r |
52e1905d | 57 | } else {\r |
9d6d8b24 | 58 | TokenNumber = GetExPcdTokenNumber (Guid, ExTokenNumber);\r |
58f1099f | 59 | \r |
60 | //\r | |
61 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
62 | // We have to decrement TokenNumber by 1 to make it usable\r | |
63 | // as the array index.\r | |
64 | //\r | |
65 | TokenNumber--;\r | |
9d6d8b24 | 66 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
52e1905d | 67 | }\r |
878ddf1f | 68 | \r |
58f1099f | 69 | \r |
9d6d8b24 | 70 | LocalTokenNumber = GetPcdDatabase()->Init.LocalTokenNumberTable[TokenNumber];\r |
71 | \r | |
52e1905d | 72 | ASSERT ((LocalTokenNumber & PCD_TYPE_HII) == 0);\r |
73 | ASSERT ((LocalTokenNumber & PCD_TYPE_VPD) == 0);\r | |
878ddf1f | 74 | \r |
52e1905d | 75 | GuidHob = GetFirstGuidHob (&gPcdPeiCallbackFnTableHobGuid);\r |
878ddf1f | 76 | ASSERT (GuidHob != NULL);\r |
52e1905d | 77 | \r |
78 | CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r | |
0653eb89 | 79 | CallbackTable = CallbackTable + (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r |
878ddf1f | 80 | \r |
52e1905d | 81 | Compare = Register? NULL: CallBackFunction;\r |
82 | Assign = Register? CallBackFunction: NULL;\r | |
878ddf1f | 83 | \r |
0653eb89 | 84 | \r |
52e1905d | 85 | for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r |
86 | if (CallbackTable[Idx] == Compare) {\r | |
87 | CallbackTable[Idx] = Assign;\r | |
88 | return EFI_SUCCESS;\r | |
89 | }\r | |
90 | }\r | |
878ddf1f | 91 | \r |
52e1905d | 92 | return Register? EFI_OUT_OF_RESOURCES : EFI_NOT_FOUND;\r |
878ddf1f | 93 | \r |
878ddf1f | 94 | }\r |
95 | \r | |
96 | \r | |
878ddf1f | 97 | \r |
878ddf1f | 98 | \r |
52e1905d | 99 | /**\r |
100 | The function builds the PCD database based on the\r | |
101 | PCD_IMAGE on the flash.\r | |
878ddf1f | 102 | \r |
52e1905d | 103 | @param[in] PcdImageOnFlash The PCD image on flash.\r |
878ddf1f | 104 | \r |
52e1905d | 105 | @retval VOID\r |
878ddf1f | 106 | --*/\r |
52e1905d | 107 | VOID\r |
108 | BuildPcdDatabase (\r | |
109 | VOID\r | |
878ddf1f | 110 | )\r |
111 | {\r | |
52e1905d | 112 | PEI_PCD_DATABASE *Database;\r |
113 | VOID *CallbackFnTable;\r | |
114 | UINTN SizeOfCallbackFnTable;\r | |
115 | \r | |
116 | Database = BuildGuidHob (&gPcdDataBaseHobGuid, sizeof (PEI_PCD_DATABASE));\r | |
878ddf1f | 117 | \r |
52e1905d | 118 | ZeroMem (Database, sizeof (PEI_PCD_DATABASE));\r |
878ddf1f | 119 | \r |
120 | //\r | |
52e1905d | 121 | // gPEIPcdDbInit is smaller than PEI_PCD_DATABASE\r |
878ddf1f | 122 | //\r |
878ddf1f | 123 | \r |
52e1905d | 124 | CopyMem (&Database->Init, &gPEIPcdDbInit, sizeof (gPEIPcdDbInit));\r |
878ddf1f | 125 | \r |
52e1905d | 126 | SizeOfCallbackFnTable = PEI_LOCAL_TOKEN_NUMBER * sizeof (PCD_PPI_CALLBACK) * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry);\r |
878ddf1f | 127 | \r |
52e1905d | 128 | CallbackFnTable = BuildGuidHob (&gPcdPeiCallbackFnTableHobGuid, SizeOfCallbackFnTable);\r |
129 | \r | |
130 | ZeroMem (CallbackFnTable, SizeOfCallbackFnTable);\r | |
131 | \r | |
132 | return;\r | |
878ddf1f | 133 | }\r |
134 | \r | |
135 | \r | |
136 | \r | |
137 | /**\r | |
52e1905d | 138 | The function is provided by PCD PEIM and PCD DXE driver to\r |
139 | do the work of reading a HII variable from variable service.\r | |
878ddf1f | 140 | \r |
52e1905d | 141 | @param[in] VariableGuid The Variable GUID.\r |
142 | @param[in] VariableName The Variable Name.\r | |
143 | @param[out] VariableData The output data.\r | |
144 | @param[out] VariableSize The size of the variable.\r | |
878ddf1f | 145 | \r |
52e1905d | 146 | @retval EFI_SUCCESS Operation successful.\r |
147 | @retval EFI_SUCCESS Variablel not found.\r | |
878ddf1f | 148 | --*/\r |
149 | EFI_STATUS\r | |
52e1905d | 150 | GetHiiVariable (\r |
151 | IN CONST EFI_GUID *VariableGuid,\r | |
152 | IN UINT16 *VariableName,\r | |
153 | OUT VOID **VariableData,\r | |
154 | OUT UINTN *VariableSize\r | |
878ddf1f | 155 | )\r |
156 | {\r | |
52e1905d | 157 | UINTN Size;\r |
158 | EFI_STATUS Status;\r | |
159 | VOID *Buffer;\r | |
160 | EFI_PEI_READ_ONLY_VARIABLE_PPI *VariablePpi;\r | |
878ddf1f | 161 | \r |
84a99d48 | 162 | Status = PeiServicesLocatePpi (&gEfiPeiReadOnlyVariablePpiGuid, 0, NULL, (VOID **) &VariablePpi);\r |
52e1905d | 163 | ASSERT_EFI_ERROR (Status);\r |
878ddf1f | 164 | \r |
52e1905d | 165 | Size = 0;\r |
52e1905d | 166 | Status = VariablePpi->PeiGetVariable (\r |
167 | GetPeiServicesTablePointer (),\r | |
168 | VariableName,\r | |
169 | (EFI_GUID *) VariableGuid,\r | |
170 | NULL,\r | |
171 | &Size,\r | |
172 | NULL\r | |
173 | );\r | |
c0e96fed | 174 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
52e1905d | 175 | \r |
52e1905d | 176 | \r |
c0e96fed | 177 | Status = PeiServicesAllocatePool (Size, &Buffer);\r |
178 | ASSERT_EFI_ERROR (Status);\r | |
52e1905d | 179 | \r |
c0e96fed | 180 | Status = VariablePpi->PeiGetVariable (\r |
181 | GetPeiServicesTablePointer (),\r | |
182 | (UINT16 *) VariableName,\r | |
183 | (EFI_GUID *) VariableGuid,\r | |
184 | NULL,\r | |
185 | &Size,\r | |
186 | Buffer\r | |
187 | );\r | |
188 | ASSERT_EFI_ERROR (Status);\r | |
189 | \r | |
190 | *VariableSize = Size;\r | |
191 | *VariableData = Buffer;\r | |
192 | \r | |
193 | return EFI_SUCCESS;\r | |
194 | } else {\r | |
195 | return EFI_NOT_FOUND;\r | |
196 | }\r | |
878ddf1f | 197 | \r |
878ddf1f | 198 | }\r |
199 | \r | |
200 | \r | |
52e1905d | 201 | UINT32\r |
202 | GetSkuEnabledTokenNumber (\r | |
203 | UINT32 LocalTokenNumber,\r | |
204 | UINTN Size\r | |
205 | ) \r | |
878ddf1f | 206 | {\r |
52e1905d | 207 | PEI_PCD_DATABASE *PeiPcdDb;\r |
208 | SKU_HEAD *SkuHead;\r | |
209 | SKU_ID *SkuIdTable;\r | |
210 | INTN i;\r | |
211 | UINT8 *Value;\r | |
212 | \r | |
213 | PeiPcdDb = GetPcdDatabase ();\r | |
214 | \r | |
215 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
216 | \r | |
217 | SkuHead = (SKU_HEAD *) ((UINT8 *)PeiPcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
218 | Value = (UINT8 *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuDataStartOffset));\r | |
219 | SkuIdTable = (SKU_ID *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuIdTableOffset));\r | |
220 | \r | |
221 | for (i = 0; i < SkuIdTable[0]; i++) {\r | |
222 | if (PeiPcdDb->Init.SystemSkuId == SkuIdTable[i + 1]) {\r | |
223 | break;\r | |
224 | }\r | |
225 | }\r | |
878ddf1f | 226 | \r |
52e1905d | 227 | switch (LocalTokenNumber & ~PCD_DATABASE_OFFSET_MASK) {\r |
228 | case PCD_TYPE_VPD:\r | |
229 | Value += sizeof(VPD_HEAD) * i;\r | |
230 | return ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_VPD);\r | |
231 | \r | |
232 | case PCD_TYPE_HII:\r | |
233 | Value += sizeof(VARIABLE_HEAD) * i;\r | |
234 | return ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_HII);\r | |
235 | \r | |
00b7af13 | 236 | case PCD_TYPE_DATA:\r |
52e1905d | 237 | Value += Size * i;\r |
238 | return (Value - (UINT8 *) PeiPcdDb);\r | |
239 | \r | |
240 | default:\r | |
241 | ASSERT (FALSE);\r | |
242 | }\r | |
878ddf1f | 243 | \r |
52e1905d | 244 | ASSERT (FALSE);\r |
878ddf1f | 245 | \r |
52e1905d | 246 | return 0;\r |
247 | \r | |
878ddf1f | 248 | }\r |
249 | \r | |
250 | \r | |
251 | \r | |
878ddf1f | 252 | \r |
52e1905d | 253 | VOID\r |
254 | InvokeCallbackOnSet (\r | |
255 | UINT32 ExTokenNumber,\r | |
256 | CONST EFI_GUID *Guid, OPTIONAL\r | |
257 | UINTN TokenNumber,\r | |
258 | VOID *Data,\r | |
259 | UINTN Size\r | |
260 | )\r | |
878ddf1f | 261 | {\r |
878ddf1f | 262 | EFI_HOB_GUID_TYPE *GuidHob;\r |
878ddf1f | 263 | PCD_PPI_CALLBACK *CallbackTable;\r |
52e1905d | 264 | UINTN Idx;\r |
878ddf1f | 265 | \r |
58f1099f | 266 | //\r |
267 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
268 | // We have to decrement TokenNumber by 1 to make it usable\r | |
269 | // as the array index.\r | |
270 | //\r | |
271 | TokenNumber--;\r | |
272 | \r | |
52e1905d | 273 | if (Guid == NULL)\r |
274 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r | |
275 | \r | |
276 | GuidHob = GetFirstGuidHob (&gPcdPeiCallbackFnTableHobGuid);\r | |
878ddf1f | 277 | ASSERT (GuidHob != NULL);\r |
278 | \r | |
52e1905d | 279 | CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r |
878ddf1f | 280 | \r |
52e1905d | 281 | CallbackTable += (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r |
878ddf1f | 282 | \r |
52e1905d | 283 | for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r |
284 | if (CallbackTable[Idx] != NULL) {\r | |
285 | CallbackTable[Idx] (Guid,\r | |
286 | (Guid == NULL)? TokenNumber: ExTokenNumber,\r | |
287 | Data,\r | |
288 | Size\r | |
289 | );\r | |
878ddf1f | 290 | }\r |
291 | }\r | |
52e1905d | 292 | \r |
878ddf1f | 293 | }\r |
294 | \r | |
9d6d8b24 | 295 | \r |
296 | \r | |
297 | \r | |
878ddf1f | 298 | EFI_STATUS\r |
52e1905d | 299 | SetWorker (\r |
8a43e8dd | 300 | UINTN TokenNumber,\r |
9d6d8b24 | 301 | VOID *Data,\r |
302 | UINTN Size,\r | |
303 | BOOLEAN PtrType\r | |
878ddf1f | 304 | )\r |
305 | {\r | |
52e1905d | 306 | UINT32 LocalTokenNumber;\r |
307 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
9d6d8b24 | 308 | UINT16 StringTableIdx;\r |
309 | UINTN Offset;\r | |
310 | VOID *InternalData;\r | |
878ddf1f | 311 | \r |
58f1099f | 312 | //\r |
313 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
314 | // We have to decrement TokenNumber by 1 to make it usable\r | |
315 | // as the array index.\r | |
316 | //\r | |
317 | TokenNumber--;\r | |
318 | \r | |
52e1905d | 319 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
320 | \r | |
321 | PeiPcdDb = GetPcdDatabase ();\r | |
878ddf1f | 322 | \r |
52e1905d | 323 | LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r |
878ddf1f | 324 | \r |
52e1905d | 325 | if (PtrType) {\r |
326 | ASSERT (PeiPcdDb->Init.SizeTable[TokenNumber] >= Size);\r | |
327 | } else {\r | |
328 | ASSERT (PeiPcdDb->Init.SizeTable[TokenNumber] == Size);\r | |
329 | }\r | |
878ddf1f | 330 | \r |
9d6d8b24 | 331 | //\r |
332 | // We only invoke the callback function for Dynamic Type PCD Entry.\r | |
333 | // For Dynamic EX PCD entry, we have invoked the callback function for Dynamic EX\r | |
334 | // type PCD entry in ExSetWorker.\r | |
335 | //\r | |
336 | if (TokenNumber < PEI_NEX_TOKEN_NUMBER) {\r | |
58f1099f | 337 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, Size);\r |
9d6d8b24 | 338 | }\r |
878ddf1f | 339 | \r |
52e1905d | 340 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r |
341 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, Size);\r | |
342 | }\r | |
878ddf1f | 343 | \r |
52e1905d | 344 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
9d6d8b24 | 345 | InternalData = (VOID *) ((UINT8 *) PeiPcdDb + Offset);\r |
878ddf1f | 346 | \r |
52e1905d | 347 | switch (LocalTokenNumber & ~PCD_DATABASE_OFFSET_MASK) {\r |
348 | case PCD_TYPE_VPD:\r | |
349 | case PCD_TYPE_HII:\r | |
350 | {\r | |
351 | ASSERT (FALSE);\r | |
352 | return EFI_INVALID_PARAMETER;\r | |
353 | }\r | |
878ddf1f | 354 | \r |
52e1905d | 355 | case PCD_TYPE_STRING:\r |
356 | StringTableIdx = *((UINT16 *)InternalData);\r | |
357 | CopyMem (&PeiPcdDb->Init.StringTable[StringTableIdx], Data, Size);\r | |
7c3e99c3 | 358 | return EFI_SUCCESS;\r |
878ddf1f | 359 | \r |
52e1905d | 360 | case PCD_TYPE_DATA:\r |
361 | {\r | |
362 | \r | |
363 | if (PtrType) {\r | |
364 | CopyMem (InternalData, Data, Size);\r | |
365 | return EFI_SUCCESS;\r | |
366 | }\r | |
878ddf1f | 367 | \r |
52e1905d | 368 | switch (Size) {\r |
369 | case sizeof(UINT8):\r | |
370 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
371 | return EFI_SUCCESS;\r | |
878ddf1f | 372 | \r |
52e1905d | 373 | case sizeof(UINT16):\r |
374 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
375 | return EFI_SUCCESS;\r | |
878ddf1f | 376 | \r |
52e1905d | 377 | case sizeof(UINT32):\r |
378 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
379 | return EFI_SUCCESS;\r | |
878ddf1f | 380 | \r |
52e1905d | 381 | case sizeof(UINT64):\r |
382 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
383 | return EFI_SUCCESS;\r | |
878ddf1f | 384 | \r |
52e1905d | 385 | default:\r |
386 | ASSERT (FALSE);\r | |
387 | return EFI_NOT_FOUND;\r | |
388 | }\r | |
389 | }\r | |
390 | \r | |
878ddf1f | 391 | }\r |
392 | \r | |
52e1905d | 393 | ASSERT (FALSE);\r |
394 | return EFI_NOT_FOUND;\r | |
9d6d8b24 | 395 | \r |
396 | }\r | |
397 | \r | |
398 | \r | |
399 | \r | |
400 | \r | |
401 | EFI_STATUS\r | |
402 | ExSetWorker (\r | |
8a43e8dd | 403 | IN UINTN ExTokenNumber,\r |
9d6d8b24 | 404 | IN CONST EFI_GUID *Guid,\r |
405 | VOID *Data,\r | |
406 | UINTN Size,\r | |
407 | BOOLEAN PtrType\r | |
408 | )\r | |
409 | {\r | |
8a43e8dd | 410 | UINTN TokenNumber;\r |
9d6d8b24 | 411 | \r |
412 | TokenNumber = GetExPcdTokenNumber (Guid, ExTokenNumber);\r | |
413 | \r | |
414 | InvokeCallbackOnSet (ExTokenNumber, Guid, TokenNumber, Data, Size);\r | |
415 | \r | |
416 | SetWorker (TokenNumber, Data, Size, PtrType);\r | |
417 | \r | |
418 | return EFI_SUCCESS;\r | |
419 | \r | |
420 | }\r | |
421 | \r | |
422 | \r | |
423 | \r | |
424 | \r | |
425 | VOID *\r | |
426 | ExGetWorker (\r | |
427 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 428 | IN UINTN ExTokenNumber,\r |
9d6d8b24 | 429 | IN UINTN GetSize\r |
430 | )\r | |
431 | {\r | |
432 | return GetWorker (GetExPcdTokenNumber (Guid, ExTokenNumber), GetSize);\r | |
878ddf1f | 433 | }\r |
434 | \r | |
435 | \r | |
9d6d8b24 | 436 | \r |
437 | \r | |
52e1905d | 438 | VOID *\r |
9d6d8b24 | 439 | GetWorker (\r |
8a43e8dd | 440 | UINTN TokenNumber,\r |
9d6d8b24 | 441 | UINTN GetSize\r |
878ddf1f | 442 | )\r |
443 | {\r | |
52e1905d | 444 | UINT32 Offset;\r |
445 | EFI_GUID *Guid;\r | |
446 | UINT16 *Name;\r | |
447 | VARIABLE_HEAD *VariableHead;\r | |
448 | EFI_STATUS Status;\r | |
449 | UINTN DataSize;\r | |
450 | VOID *Data;\r | |
451 | UINT16 *StringTable;\r | |
452 | UINT16 StringTableIdx;\r | |
9d6d8b24 | 453 | PEI_PCD_DATABASE *PeiPcdDb;\r |
454 | UINT32 LocalTokenNumber;\r | |
455 | UINTN Size;\r | |
456 | \r | |
58f1099f | 457 | //\r |
458 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
459 | // We have to decrement TokenNumber by 1 to make it usable\r | |
460 | // as the array index.\r | |
461 | //\r | |
462 | TokenNumber--;\r | |
463 | \r | |
9d6d8b24 | 464 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
465 | \r | |
58f1099f | 466 | Size = PeiPcdGetSize(TokenNumber + 1);\r |
9d6d8b24 | 467 | \r |
468 | ASSERT (GetSize == Size || GetSize == 0);\r | |
469 | \r | |
52e1905d | 470 | PeiPcdDb = GetPcdDatabase ();\r |
471 | \r | |
9d6d8b24 | 472 | LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r |
473 | \r | |
52e1905d | 474 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r |
475 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, Size);\r | |
476 | }\r | |
878ddf1f | 477 | \r |
52e1905d | 478 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
479 | StringTable = PeiPcdDb->Init.StringTable;\r | |
480 | \r | |
481 | switch (LocalTokenNumber & ~PCD_DATABASE_OFFSET_MASK) {\r | |
482 | case PCD_TYPE_VPD:\r | |
483 | {\r | |
484 | VPD_HEAD *VpdHead;\r | |
485 | VpdHead = (VPD_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r | |
486 | return (VOID *) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);\r | |
487 | }\r | |
488 | \r | |
489 | case PCD_TYPE_HII:\r | |
490 | {\r | |
491 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r | |
492 | \r | |
493 | Guid = &(PeiPcdDb->Init.GuidTable[VariableHead->GuidTableIndex]);\r | |
494 | Name = &StringTable[VariableHead->StringIndex];\r | |
495 | \r | |
496 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
52e1905d | 497 | \r |
c0e96fed | 498 | if (Status == EFI_SUCCESS) {\r |
499 | ASSERT (DataSize >= (UINTN) (VariableHead->Offset + Size));\r | |
500 | return (VOID *) ((UINT8 *) Data + VariableHead->Offset);\r | |
501 | } else {\r | |
502 | //\r | |
58f1099f | 503 | // Return the default value specified by Platform Integrator \r |
504 | //\r | |
505 | return (VOID *) ((UINT8 *) PeiPcdDb + VariableHead->DefaultValueOffset);\r | |
c0e96fed | 506 | }\r |
52e1905d | 507 | }\r |
878ddf1f | 508 | \r |
52e1905d | 509 | case PCD_TYPE_DATA:\r |
510 | return (VOID *) ((UINT8 *)PeiPcdDb + Offset);\r | |
878ddf1f | 511 | \r |
52e1905d | 512 | case PCD_TYPE_STRING:\r |
513 | StringTableIdx = (UINT16) *((UINT8 *) PeiPcdDb + Offset);\r | |
514 | return (VOID *) (&StringTable[StringTableIdx]);\r | |
878ddf1f | 515 | \r |
52e1905d | 516 | default:\r |
517 | ASSERT (FALSE);\r | |
518 | break;\r | |
519 | \r | |
520 | }\r | |
878ddf1f | 521 | \r |
52e1905d | 522 | ASSERT (FALSE);\r |
523 | \r | |
524 | return NULL;\r | |
525 | \r | |
526 | }\r | |
878ddf1f | 527 | \r |
878ddf1f | 528 | \r |
8a43e8dd | 529 | UINTN \r |
9d6d8b24 | 530 | GetExPcdTokenNumber (\r |
52e1905d | 531 | IN CONST EFI_GUID *Guid,\r |
9d6d8b24 | 532 | IN UINT32 ExTokenNumber\r |
52e1905d | 533 | )\r |
534 | {\r | |
535 | UINT32 i;\r | |
536 | DYNAMICEX_MAPPING *ExMap;\r | |
537 | EFI_GUID *GuidTable;\r | |
9d6d8b24 | 538 | EFI_GUID *MatchGuid;\r |
539 | UINTN MatchGuidIdx;\r | |
52e1905d | 540 | PEI_PCD_DATABASE *PeiPcdDb;\r |
878ddf1f | 541 | \r |
52e1905d | 542 | PeiPcdDb = GetPcdDatabase();\r |
543 | \r | |
544 | ExMap = PeiPcdDb->Init.ExMapTable;\r | |
545 | GuidTable = PeiPcdDb->Init.GuidTable;\r | |
9d6d8b24 | 546 | \r |
547 | MatchGuid = ScanGuid (GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);\r | |
548 | ASSERT (MatchGuid != NULL);\r | |
549 | \r | |
550 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
52e1905d | 551 | \r |
552 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
553 | if ((ExTokenNumber == ExMap[i].ExTokenNumber) && \r | |
9d6d8b24 | 554 | (MatchGuidIdx == ExMap[i].ExGuidIndex)) {\r |
555 | return ExMap[i].LocalTokenNumber;\r | |
52e1905d | 556 | }\r |
557 | }\r | |
558 | \r | |
559 | ASSERT (FALSE);\r | |
560 | \r | |
9d6d8b24 | 561 | return 0;\r |
878ddf1f | 562 | }\r |
563 | \r | |
564 | \r | |
565 | \r | |
52e1905d | 566 | PEI_PCD_DATABASE *\r |
567 | GetPcdDatabase (\r | |
568 | VOID\r | |
878ddf1f | 569 | )\r |
570 | {\r | |
52e1905d | 571 | EFI_HOB_GUID_TYPE *GuidHob;\r |
878ddf1f | 572 | \r |
52e1905d | 573 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
574 | ASSERT (GuidHob != NULL);\r | |
575 | \r | |
576 | return (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
577 | }\r | |
878ddf1f | 578 | \r |