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