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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 | |
878ddf1f | 19 | /**\r |
52e1905d | 20 | The function registers the CallBackOnSet fucntion\r |
21 | according to TokenNumber and EFI_GUID space.\r | |
878ddf1f | 22 | \r |
52e1905d | 23 | @param[in] TokenNumber The token number.\r |
24 | @param[in] Guid The GUID space.\r | |
25 | @param[in] CallBackFunction The Callback function to be registered.\r | |
878ddf1f | 26 | \r |
52e1905d | 27 | @retval EFI_SUCCESS If the Callback function is registered.\r |
28 | @retval EFI_NOT_FOUND If the PCD Entry is not found according to Token Number and GUID space.\r | |
878ddf1f | 29 | --*/\r |
52e1905d | 30 | EFI_STATUS\r |
31 | PeiRegisterCallBackWorker (\r | |
8a43e8dd | 32 | IN UINTN ExTokenNumber,\r |
52e1905d | 33 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
34 | IN PCD_PPI_CALLBACK CallBackFunction,\r | |
35 | IN BOOLEAN Register\r | |
878ddf1f | 36 | )\r |
37 | {\r | |
52e1905d | 38 | EFI_HOB_GUID_TYPE *GuidHob;\r |
39 | PCD_PPI_CALLBACK *CallbackTable;\r | |
40 | PCD_PPI_CALLBACK Compare;\r | |
41 | PCD_PPI_CALLBACK Assign;\r | |
42 | UINT32 LocalTokenNumber;\r | |
8a43e8dd | 43 | UINTN TokenNumber;\r |
52e1905d | 44 | UINTN Idx;\r |
878ddf1f | 45 | \r |
52e1905d | 46 | if (Guid == NULL) {\r |
47 | TokenNumber = ExTokenNumber;\r | |
58f1099f | 48 | \r |
49 | //\r | |
50 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
51 | // We have to decrement TokenNumber by 1 to make it usable\r | |
52 | // as the array index.\r | |
53 | //\r | |
54 | TokenNumber--;\r | |
00b7af13 | 55 | ASSERT (TokenNumber < PEI_NEX_TOKEN_NUMBER);\r |
52e1905d | 56 | } else {\r |
9d6d8b24 | 57 | TokenNumber = GetExPcdTokenNumber (Guid, ExTokenNumber);\r |
58f1099f | 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 | |
9d6d8b24 | 65 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
52e1905d | 66 | }\r |
878ddf1f | 67 | \r |
58f1099f | 68 | \r |
9d6d8b24 | 69 | LocalTokenNumber = GetPcdDatabase()->Init.LocalTokenNumberTable[TokenNumber];\r |
70 | \r | |
1de04b4f | 71 | //\r |
72 | // We don't support SET for HII and VPD type PCD entry in PEI phase.\r | |
73 | // So we will assert if any register callback for such PCD entry.\r | |
74 | //\r | |
52e1905d | 75 | ASSERT ((LocalTokenNumber & PCD_TYPE_HII) == 0);\r |
76 | ASSERT ((LocalTokenNumber & PCD_TYPE_VPD) == 0);\r | |
878ddf1f | 77 | \r |
52e1905d | 78 | GuidHob = GetFirstGuidHob (&gPcdPeiCallbackFnTableHobGuid);\r |
878ddf1f | 79 | ASSERT (GuidHob != NULL);\r |
52e1905d | 80 | \r |
81 | CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r | |
0653eb89 | 82 | CallbackTable = CallbackTable + (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r |
878ddf1f | 83 | \r |
52e1905d | 84 | Compare = Register? NULL: CallBackFunction;\r |
85 | Assign = Register? CallBackFunction: NULL;\r | |
878ddf1f | 86 | \r |
0653eb89 | 87 | \r |
52e1905d | 88 | for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r |
89 | if (CallbackTable[Idx] == Compare) {\r | |
90 | CallbackTable[Idx] = Assign;\r | |
91 | return EFI_SUCCESS;\r | |
92 | }\r | |
93 | }\r | |
878ddf1f | 94 | \r |
52e1905d | 95 | return Register? EFI_OUT_OF_RESOURCES : EFI_NOT_FOUND;\r |
878ddf1f | 96 | \r |
878ddf1f | 97 | }\r |
98 | \r | |
99 | \r | |
878ddf1f | 100 | \r |
878ddf1f | 101 | \r |
52e1905d | 102 | /**\r |
103 | The function builds the PCD database based on the\r | |
104 | PCD_IMAGE on the flash.\r | |
878ddf1f | 105 | \r |
52e1905d | 106 | @param[in] PcdImageOnFlash The PCD image on flash.\r |
878ddf1f | 107 | \r |
52e1905d | 108 | @retval VOID\r |
878ddf1f | 109 | --*/\r |
52e1905d | 110 | VOID\r |
111 | BuildPcdDatabase (\r | |
112 | VOID\r | |
878ddf1f | 113 | )\r |
114 | {\r | |
52e1905d | 115 | PEI_PCD_DATABASE *Database;\r |
116 | VOID *CallbackFnTable;\r | |
117 | UINTN SizeOfCallbackFnTable;\r | |
118 | \r | |
119 | Database = BuildGuidHob (&gPcdDataBaseHobGuid, sizeof (PEI_PCD_DATABASE));\r | |
878ddf1f | 120 | \r |
52e1905d | 121 | ZeroMem (Database, sizeof (PEI_PCD_DATABASE));\r |
878ddf1f | 122 | \r |
123 | //\r | |
52e1905d | 124 | // gPEIPcdDbInit is smaller than PEI_PCD_DATABASE\r |
878ddf1f | 125 | //\r |
878ddf1f | 126 | \r |
52e1905d | 127 | CopyMem (&Database->Init, &gPEIPcdDbInit, sizeof (gPEIPcdDbInit));\r |
878ddf1f | 128 | \r |
52e1905d | 129 | SizeOfCallbackFnTable = PEI_LOCAL_TOKEN_NUMBER * sizeof (PCD_PPI_CALLBACK) * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry);\r |
878ddf1f | 130 | \r |
52e1905d | 131 | CallbackFnTable = BuildGuidHob (&gPcdPeiCallbackFnTableHobGuid, SizeOfCallbackFnTable);\r |
132 | \r | |
133 | ZeroMem (CallbackFnTable, SizeOfCallbackFnTable);\r | |
134 | \r | |
135 | return;\r | |
878ddf1f | 136 | }\r |
137 | \r | |
138 | \r | |
139 | \r | |
140 | /**\r | |
52e1905d | 141 | The function is provided by PCD PEIM and PCD DXE driver to\r |
142 | do the work of reading a HII variable from variable service.\r | |
878ddf1f | 143 | \r |
52e1905d | 144 | @param[in] VariableGuid The Variable GUID.\r |
145 | @param[in] VariableName The Variable Name.\r | |
146 | @param[out] VariableData The output data.\r | |
147 | @param[out] VariableSize The size of the variable.\r | |
878ddf1f | 148 | \r |
52e1905d | 149 | @retval EFI_SUCCESS Operation successful.\r |
150 | @retval EFI_SUCCESS Variablel not found.\r | |
878ddf1f | 151 | --*/\r |
152 | EFI_STATUS\r | |
52e1905d | 153 | GetHiiVariable (\r |
154 | IN CONST EFI_GUID *VariableGuid,\r | |
155 | IN UINT16 *VariableName,\r | |
156 | OUT VOID **VariableData,\r | |
157 | OUT UINTN *VariableSize\r | |
878ddf1f | 158 | )\r |
159 | {\r | |
52e1905d | 160 | UINTN Size;\r |
161 | EFI_STATUS Status;\r | |
162 | VOID *Buffer;\r | |
163 | EFI_PEI_READ_ONLY_VARIABLE_PPI *VariablePpi;\r | |
878ddf1f | 164 | \r |
84a99d48 | 165 | Status = PeiServicesLocatePpi (&gEfiPeiReadOnlyVariablePpiGuid, 0, NULL, (VOID **) &VariablePpi);\r |
52e1905d | 166 | ASSERT_EFI_ERROR (Status);\r |
878ddf1f | 167 | \r |
52e1905d | 168 | Size = 0;\r |
52e1905d | 169 | Status = VariablePpi->PeiGetVariable (\r |
170 | GetPeiServicesTablePointer (),\r | |
171 | VariableName,\r | |
172 | (EFI_GUID *) VariableGuid,\r | |
173 | NULL,\r | |
174 | &Size,\r | |
175 | NULL\r | |
176 | );\r | |
c0e96fed | 177 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
52e1905d | 178 | \r |
52e1905d | 179 | \r |
c0e96fed | 180 | Status = PeiServicesAllocatePool (Size, &Buffer);\r |
181 | ASSERT_EFI_ERROR (Status);\r | |
52e1905d | 182 | \r |
c0e96fed | 183 | Status = VariablePpi->PeiGetVariable (\r |
184 | GetPeiServicesTablePointer (),\r | |
185 | (UINT16 *) VariableName,\r | |
186 | (EFI_GUID *) VariableGuid,\r | |
187 | NULL,\r | |
188 | &Size,\r | |
189 | Buffer\r | |
190 | );\r | |
191 | ASSERT_EFI_ERROR (Status);\r | |
192 | \r | |
193 | *VariableSize = Size;\r | |
194 | *VariableData = Buffer;\r | |
195 | \r | |
196 | return EFI_SUCCESS;\r | |
197 | } else {\r | |
198 | return EFI_NOT_FOUND;\r | |
199 | }\r | |
878ddf1f | 200 | \r |
878ddf1f | 201 | }\r |
202 | \r | |
203 | \r | |
52e1905d | 204 | UINT32\r |
205 | GetSkuEnabledTokenNumber (\r | |
206 | UINT32 LocalTokenNumber,\r | |
207 | UINTN Size\r | |
208 | ) \r | |
878ddf1f | 209 | {\r |
52e1905d | 210 | PEI_PCD_DATABASE *PeiPcdDb;\r |
211 | SKU_HEAD *SkuHead;\r | |
212 | SKU_ID *SkuIdTable;\r | |
213 | INTN i;\r | |
214 | UINT8 *Value;\r | |
215 | \r | |
216 | PeiPcdDb = GetPcdDatabase ();\r | |
217 | \r | |
218 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
219 | \r | |
220 | SkuHead = (SKU_HEAD *) ((UINT8 *)PeiPcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
221 | Value = (UINT8 *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuDataStartOffset));\r | |
222 | SkuIdTable = (SKU_ID *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuIdTableOffset));\r | |
223 | \r | |
224 | for (i = 0; i < SkuIdTable[0]; i++) {\r | |
225 | if (PeiPcdDb->Init.SystemSkuId == SkuIdTable[i + 1]) {\r | |
226 | break;\r | |
227 | }\r | |
228 | }\r | |
878ddf1f | 229 | \r |
1de04b4f | 230 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
52e1905d | 231 | case PCD_TYPE_VPD:\r |
1de04b4f | 232 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[i]);\r |
52e1905d | 233 | return ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_VPD);\r |
234 | \r | |
235 | case PCD_TYPE_HII:\r | |
1de04b4f | 236 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[i]);\r |
52e1905d | 237 | return ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_HII);\r |
238 | \r | |
1de04b4f | 239 | case PCD_TYPE_STRING:\r |
240 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[i]);\r | |
241 | return ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_STRING);\r | |
242 | \r | |
00b7af13 | 243 | case PCD_TYPE_DATA:\r |
52e1905d | 244 | Value += Size * i;\r |
245 | return (Value - (UINT8 *) PeiPcdDb);\r | |
1de04b4f | 246 | \r |
52e1905d | 247 | default:\r |
248 | ASSERT (FALSE);\r | |
249 | }\r | |
878ddf1f | 250 | \r |
52e1905d | 251 | ASSERT (FALSE);\r |
878ddf1f | 252 | \r |
52e1905d | 253 | return 0;\r |
254 | \r | |
878ddf1f | 255 | }\r |
256 | \r | |
257 | \r | |
258 | \r | |
878ddf1f | 259 | \r |
52e1905d | 260 | VOID\r |
261 | InvokeCallbackOnSet (\r | |
262 | UINT32 ExTokenNumber,\r | |
263 | CONST EFI_GUID *Guid, OPTIONAL\r | |
264 | UINTN TokenNumber,\r | |
265 | VOID *Data,\r | |
266 | UINTN Size\r | |
267 | )\r | |
878ddf1f | 268 | {\r |
878ddf1f | 269 | EFI_HOB_GUID_TYPE *GuidHob;\r |
878ddf1f | 270 | PCD_PPI_CALLBACK *CallbackTable;\r |
52e1905d | 271 | UINTN Idx;\r |
878ddf1f | 272 | \r |
58f1099f | 273 | //\r |
274 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
275 | // We have to decrement TokenNumber by 1 to make it usable\r | |
276 | // as the array index.\r | |
277 | //\r | |
278 | TokenNumber--;\r | |
279 | \r | |
52e1905d | 280 | if (Guid == NULL)\r |
281 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r | |
282 | \r | |
283 | GuidHob = GetFirstGuidHob (&gPcdPeiCallbackFnTableHobGuid);\r | |
878ddf1f | 284 | ASSERT (GuidHob != NULL);\r |
285 | \r | |
52e1905d | 286 | CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r |
878ddf1f | 287 | \r |
52e1905d | 288 | CallbackTable += (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r |
878ddf1f | 289 | \r |
52e1905d | 290 | for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r |
291 | if (CallbackTable[Idx] != NULL) {\r | |
292 | CallbackTable[Idx] (Guid,\r | |
293 | (Guid == NULL)? TokenNumber: ExTokenNumber,\r | |
294 | Data,\r | |
295 | Size\r | |
296 | );\r | |
878ddf1f | 297 | }\r |
298 | }\r | |
52e1905d | 299 | \r |
878ddf1f | 300 | }\r |
301 | \r | |
9d6d8b24 | 302 | \r |
303 | \r | |
1de04b4f | 304 | EFI_STATUS\r |
305 | SetValueWorker (\r | |
306 | IN UINTN TokenNumber,\r | |
307 | IN VOID *Data,\r | |
308 | IN UINTN Size\r | |
309 | )\r | |
310 | {\r | |
311 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
312 | }\r | |
313 | \r | |
314 | \r | |
9d6d8b24 | 315 | \r |
878ddf1f | 316 | EFI_STATUS\r |
52e1905d | 317 | SetWorker (\r |
1de04b4f | 318 | IN UINTN TokenNumber,\r |
319 | IN OUT VOID *Data,\r | |
320 | IN OUT UINTN *Size,\r | |
321 | IN BOOLEAN PtrType\r | |
878ddf1f | 322 | )\r |
323 | {\r | |
52e1905d | 324 | UINT32 LocalTokenNumber;\r |
325 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
9d6d8b24 | 326 | UINT16 StringTableIdx;\r |
327 | UINTN Offset;\r | |
328 | VOID *InternalData;\r | |
1de04b4f | 329 | UINTN MaxSize;\r |
878ddf1f | 330 | \r |
58f1099f | 331 | //\r |
332 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
333 | // We have to decrement TokenNumber by 1 to make it usable\r | |
334 | // as the array index.\r | |
335 | //\r | |
336 | TokenNumber--;\r | |
337 | \r | |
52e1905d | 338 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
339 | \r | |
340 | PeiPcdDb = GetPcdDatabase ();\r | |
878ddf1f | 341 | \r |
52e1905d | 342 | LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r |
878ddf1f | 343 | \r |
1de04b4f | 344 | if (!PtrType) {\r |
345 | ASSERT (PeiPcdGetSize(TokenNumber + 1) == *Size);\r | |
52e1905d | 346 | }\r |
878ddf1f | 347 | \r |
9d6d8b24 | 348 | //\r |
349 | // We only invoke the callback function for Dynamic Type PCD Entry.\r | |
350 | // For Dynamic EX PCD entry, we have invoked the callback function for Dynamic EX\r | |
351 | // type PCD entry in ExSetWorker.\r | |
352 | //\r | |
353 | if (TokenNumber < PEI_NEX_TOKEN_NUMBER) {\r | |
1de04b4f | 354 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
9d6d8b24 | 355 | }\r |
878ddf1f | 356 | \r |
52e1905d | 357 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r |
1de04b4f | 358 | if (PtrType) {\r |
359 | MaxSize = GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
360 | } else {\r | |
361 | MaxSize = *Size;\r | |
362 | }\r | |
363 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize);\r | |
52e1905d | 364 | }\r |
878ddf1f | 365 | \r |
52e1905d | 366 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
9d6d8b24 | 367 | InternalData = (VOID *) ((UINT8 *) PeiPcdDb + Offset);\r |
878ddf1f | 368 | \r |
1de04b4f | 369 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
52e1905d | 370 | case PCD_TYPE_VPD:\r |
371 | case PCD_TYPE_HII:\r | |
372 | {\r | |
373 | ASSERT (FALSE);\r | |
374 | return EFI_INVALID_PARAMETER;\r | |
375 | }\r | |
878ddf1f | 376 | \r |
52e1905d | 377 | case PCD_TYPE_STRING:\r |
1de04b4f | 378 | if (SetPtrTypeSize (TokenNumber, Size, PeiPcdDb)) {\r |
379 | StringTableIdx = *((UINT16 *)InternalData);\r | |
380 | CopyMem (&PeiPcdDb->Init.StringTable[StringTableIdx], Data, *Size);\r | |
381 | return EFI_SUCCESS;\r | |
382 | } else {\r | |
383 | return EFI_INVALID_PARAMETER;\r | |
384 | }\r | |
878ddf1f | 385 | \r |
52e1905d | 386 | case PCD_TYPE_DATA:\r |
387 | {\r | |
52e1905d | 388 | if (PtrType) {\r |
1de04b4f | 389 | if (SetPtrTypeSize (TokenNumber, Size, PeiPcdDb)) {\r |
390 | CopyMem (InternalData, Data, *Size);\r | |
391 | return EFI_SUCCESS;\r | |
392 | } else {\r | |
393 | return EFI_INVALID_PARAMETER;\r | |
394 | }\r | |
52e1905d | 395 | }\r |
878ddf1f | 396 | \r |
1de04b4f | 397 | switch (*Size) {\r |
52e1905d | 398 | case sizeof(UINT8):\r |
399 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
400 | return EFI_SUCCESS;\r | |
878ddf1f | 401 | \r |
52e1905d | 402 | case sizeof(UINT16):\r |
403 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
404 | return EFI_SUCCESS;\r | |
878ddf1f | 405 | \r |
52e1905d | 406 | case sizeof(UINT32):\r |
407 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
408 | return EFI_SUCCESS;\r | |
878ddf1f | 409 | \r |
52e1905d | 410 | case sizeof(UINT64):\r |
411 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
412 | return EFI_SUCCESS;\r | |
878ddf1f | 413 | \r |
52e1905d | 414 | default:\r |
415 | ASSERT (FALSE);\r | |
416 | return EFI_NOT_FOUND;\r | |
417 | }\r | |
418 | }\r | |
419 | \r | |
878ddf1f | 420 | }\r |
421 | \r | |
52e1905d | 422 | ASSERT (FALSE);\r |
423 | return EFI_NOT_FOUND;\r | |
9d6d8b24 | 424 | \r |
425 | }\r | |
426 | \r | |
427 | \r | |
428 | \r | |
1de04b4f | 429 | EFI_STATUS\r |
430 | ExSetValueWorker (\r | |
431 | IN UINTN ExTokenNumber,\r | |
432 | IN CONST EFI_GUID *Guid,\r | |
433 | IN VOID *Data,\r | |
434 | IN UINTN Size\r | |
435 | )\r | |
436 | {\r | |
437 | return ExSetWorker (ExTokenNumber, Guid, Data, &Size, FALSE);\r | |
438 | }\r | |
439 | \r | |
440 | \r | |
9d6d8b24 | 441 | \r |
442 | EFI_STATUS\r | |
443 | ExSetWorker (\r | |
1de04b4f | 444 | IN UINTN ExTokenNumber,\r |
445 | IN CONST EFI_GUID *Guid,\r | |
446 | IN VOID *Data,\r | |
447 | IN OUT UINTN *Size,\r | |
448 | IN BOOLEAN PtrType\r | |
9d6d8b24 | 449 | )\r |
450 | {\r | |
8a43e8dd | 451 | UINTN TokenNumber;\r |
9d6d8b24 | 452 | \r |
453 | TokenNumber = GetExPcdTokenNumber (Guid, ExTokenNumber);\r | |
454 | \r | |
1de04b4f | 455 | InvokeCallbackOnSet (ExTokenNumber, Guid, TokenNumber, Data, *Size);\r |
9d6d8b24 | 456 | \r |
1de04b4f | 457 | return SetWorker (TokenNumber, Data, Size, PtrType);\r |
9d6d8b24 | 458 | \r |
9d6d8b24 | 459 | }\r |
460 | \r | |
461 | \r | |
462 | \r | |
463 | \r | |
464 | VOID *\r | |
465 | ExGetWorker (\r | |
466 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 467 | IN UINTN ExTokenNumber,\r |
9d6d8b24 | 468 | IN UINTN GetSize\r |
469 | )\r | |
470 | {\r | |
471 | return GetWorker (GetExPcdTokenNumber (Guid, ExTokenNumber), GetSize);\r | |
878ddf1f | 472 | }\r |
473 | \r | |
474 | \r | |
9d6d8b24 | 475 | \r |
476 | \r | |
52e1905d | 477 | VOID *\r |
9d6d8b24 | 478 | GetWorker (\r |
8a43e8dd | 479 | UINTN TokenNumber,\r |
9d6d8b24 | 480 | UINTN GetSize\r |
878ddf1f | 481 | )\r |
482 | {\r | |
52e1905d | 483 | UINT32 Offset;\r |
484 | EFI_GUID *Guid;\r | |
485 | UINT16 *Name;\r | |
486 | VARIABLE_HEAD *VariableHead;\r | |
487 | EFI_STATUS Status;\r | |
488 | UINTN DataSize;\r | |
489 | VOID *Data;\r | |
490 | UINT16 *StringTable;\r | |
491 | UINT16 StringTableIdx;\r | |
9d6d8b24 | 492 | PEI_PCD_DATABASE *PeiPcdDb;\r |
493 | UINT32 LocalTokenNumber;\r | |
1de04b4f | 494 | UINTN MaxSize;\r |
9d6d8b24 | 495 | \r |
58f1099f | 496 | //\r |
497 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
498 | // We have to decrement TokenNumber by 1 to make it usable\r | |
499 | // as the array index.\r | |
500 | //\r | |
501 | TokenNumber--;\r | |
502 | \r | |
9d6d8b24 | 503 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
504 | \r | |
1de04b4f | 505 | ASSERT ((GetSize == PeiPcdGetSize(TokenNumber + 1)) || (GetSize == 0));\r |
9d6d8b24 | 506 | \r |
52e1905d | 507 | PeiPcdDb = GetPcdDatabase ();\r |
508 | \r | |
9d6d8b24 | 509 | LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r |
510 | \r | |
52e1905d | 511 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r |
1de04b4f | 512 | if (GetSize == 0) {\r |
513 | MaxSize = GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
514 | } else {\r | |
515 | MaxSize = GetSize;\r | |
516 | }\r | |
517 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize);\r | |
52e1905d | 518 | }\r |
878ddf1f | 519 | \r |
52e1905d | 520 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
521 | StringTable = PeiPcdDb->Init.StringTable;\r | |
522 | \r | |
1de04b4f | 523 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
52e1905d | 524 | case PCD_TYPE_VPD:\r |
525 | {\r | |
526 | VPD_HEAD *VpdHead;\r | |
527 | VpdHead = (VPD_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r | |
528 | return (VOID *) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);\r | |
529 | }\r | |
530 | \r | |
531 | case PCD_TYPE_HII:\r | |
532 | {\r | |
533 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r | |
534 | \r | |
535 | Guid = &(PeiPcdDb->Init.GuidTable[VariableHead->GuidTableIndex]);\r | |
536 | Name = &StringTable[VariableHead->StringIndex];\r | |
537 | \r | |
538 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
52e1905d | 539 | \r |
c0e96fed | 540 | if (Status == EFI_SUCCESS) {\r |
c0e96fed | 541 | return (VOID *) ((UINT8 *) Data + VariableHead->Offset);\r |
542 | } else {\r | |
543 | //\r | |
58f1099f | 544 | // Return the default value specified by Platform Integrator \r |
545 | //\r | |
546 | return (VOID *) ((UINT8 *) PeiPcdDb + VariableHead->DefaultValueOffset);\r | |
c0e96fed | 547 | }\r |
52e1905d | 548 | }\r |
878ddf1f | 549 | \r |
52e1905d | 550 | case PCD_TYPE_DATA:\r |
551 | return (VOID *) ((UINT8 *)PeiPcdDb + Offset);\r | |
878ddf1f | 552 | \r |
52e1905d | 553 | case PCD_TYPE_STRING:\r |
554 | StringTableIdx = (UINT16) *((UINT8 *) PeiPcdDb + Offset);\r | |
555 | return (VOID *) (&StringTable[StringTableIdx]);\r | |
878ddf1f | 556 | \r |
52e1905d | 557 | default:\r |
558 | ASSERT (FALSE);\r | |
559 | break;\r | |
560 | \r | |
561 | }\r | |
878ddf1f | 562 | \r |
52e1905d | 563 | ASSERT (FALSE);\r |
564 | \r | |
565 | return NULL;\r | |
566 | \r | |
567 | }\r | |
878ddf1f | 568 | \r |
878ddf1f | 569 | \r |
8a43e8dd | 570 | UINTN \r |
9d6d8b24 | 571 | GetExPcdTokenNumber (\r |
52e1905d | 572 | IN CONST EFI_GUID *Guid,\r |
9d6d8b24 | 573 | IN UINT32 ExTokenNumber\r |
52e1905d | 574 | )\r |
575 | {\r | |
576 | UINT32 i;\r | |
577 | DYNAMICEX_MAPPING *ExMap;\r | |
578 | EFI_GUID *GuidTable;\r | |
9d6d8b24 | 579 | EFI_GUID *MatchGuid;\r |
580 | UINTN MatchGuidIdx;\r | |
52e1905d | 581 | PEI_PCD_DATABASE *PeiPcdDb;\r |
878ddf1f | 582 | \r |
52e1905d | 583 | PeiPcdDb = GetPcdDatabase();\r |
584 | \r | |
585 | ExMap = PeiPcdDb->Init.ExMapTable;\r | |
586 | GuidTable = PeiPcdDb->Init.GuidTable;\r | |
9d6d8b24 | 587 | \r |
588 | MatchGuid = ScanGuid (GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);\r | |
bb5545b6 | 589 | //\r |
590 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
591 | // error in the BUILD system.\r | |
592 | //\r | |
9d6d8b24 | 593 | ASSERT (MatchGuid != NULL);\r |
594 | \r | |
595 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
52e1905d | 596 | \r |
597 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
598 | if ((ExTokenNumber == ExMap[i].ExTokenNumber) && \r | |
9d6d8b24 | 599 | (MatchGuidIdx == ExMap[i].ExGuidIndex)) {\r |
600 | return ExMap[i].LocalTokenNumber;\r | |
52e1905d | 601 | }\r |
602 | }\r | |
603 | \r | |
604 | ASSERT (FALSE);\r | |
605 | \r | |
9d6d8b24 | 606 | return 0;\r |
878ddf1f | 607 | }\r |
608 | \r | |
609 | \r | |
610 | \r | |
52e1905d | 611 | PEI_PCD_DATABASE *\r |
612 | GetPcdDatabase (\r | |
613 | VOID\r | |
878ddf1f | 614 | )\r |
615 | {\r | |
52e1905d | 616 | EFI_HOB_GUID_TYPE *GuidHob;\r |
878ddf1f | 617 | \r |
52e1905d | 618 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
619 | ASSERT (GuidHob != NULL);\r | |
620 | \r | |
621 | return (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
622 | }\r | |
878ddf1f | 623 | \r |
1de04b4f | 624 | \r |
625 | SKU_ID *\r | |
626 | GetSkuIdArray (\r | |
627 | IN UINTN LocalTokenNumberTableIdx,\r | |
628 | IN PEI_PCD_DATABASE *Database\r | |
629 | )\r | |
630 | {\r | |
631 | SKU_HEAD *SkuHead;\r | |
632 | UINTN LocalTokenNumber;\r | |
633 | \r | |
634 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
635 | \r | |
636 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
637 | \r | |
638 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
639 | \r | |
640 | return (SKU_ID *) ((UINT8 *)Database + SkuHead->SkuIdTableOffset);\r | |
641 | \r | |
642 | }\r | |
643 | \r | |
644 | \r | |
645 | \r | |
646 | UINTN\r | |
647 | GetSizeTableIndex (\r | |
648 | IN UINTN LocalTokenNumberTableIdx,\r | |
649 | IN PEI_PCD_DATABASE *Database\r | |
650 | )\r | |
651 | {\r | |
652 | UINTN i;\r | |
653 | UINTN SizeTableIdx;\r | |
654 | UINTN LocalTokenNumber;\r | |
655 | SKU_ID *SkuIdTable;\r | |
656 | \r | |
657 | SizeTableIdx = 0;\r | |
658 | \r | |
659 | for (i=0; i<LocalTokenNumberTableIdx; i++) {\r | |
660 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[i];\r | |
661 | \r | |
662 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
663 | //\r | |
664 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
665 | // PCD entry.\r | |
666 | //\r | |
667 | if (LocalTokenNumber & PCD_TYPE_VPD) {\r | |
668 | //\r | |
669 | // We have only one entry for VPD enabled PCD entry:\r | |
670 | // 1) MAX Size.\r | |
671 | // We consider current size is equal to MAX size.\r | |
672 | //\r | |
673 | SizeTableIdx++;\r | |
674 | } else {\r | |
675 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
676 | //\r | |
677 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
678 | // 1) MAX SIZE\r | |
679 | // 2) Current Size\r | |
680 | //\r | |
681 | SizeTableIdx += 2;\r | |
682 | } else {\r | |
683 | //\r | |
684 | // We have these entry for SKU enabled PCD entry\r | |
685 | // 1) MAX SIZE\r | |
686 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
687 | //\r | |
688 | SkuIdTable = GetSkuIdArray (i, Database);\r | |
689 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r | |
690 | }\r | |
691 | }\r | |
692 | }\r | |
693 | \r | |
694 | }\r | |
695 | \r | |
696 | return SizeTableIdx;\r | |
697 | }\r | |
698 | \r | |
699 | \r | |
700 | \r | |
701 | \r | |
702 | UINTN\r | |
703 | GetPtrTypeSize (\r | |
704 | IN UINTN LocalTokenNumberTableIdx,\r | |
705 | OUT UINTN *MaxSize,\r | |
706 | IN PEI_PCD_DATABASE *Database\r | |
707 | )\r | |
708 | {\r | |
709 | INTN SizeTableIdx;\r | |
710 | UINTN LocalTokenNumber;\r | |
711 | SKU_ID *SkuIdTable;\r | |
712 | SIZE_INFO *SizeTable;\r | |
713 | UINTN i;\r | |
714 | \r | |
715 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r | |
716 | \r | |
717 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
718 | \r | |
719 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
720 | \r | |
721 | SizeTable = Database->Init.SizeTable;\r | |
722 | \r | |
723 | *MaxSize = SizeTable[SizeTableIdx];\r | |
724 | //\r | |
725 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
726 | // PCD entry.\r | |
727 | //\r | |
728 | if (LocalTokenNumber & PCD_TYPE_VPD) {\r | |
729 | //\r | |
730 | // We have only one entry for VPD enabled PCD entry:\r | |
731 | // 1) MAX Size.\r | |
732 | // We consider current size is equal to MAX size.\r | |
733 | //\r | |
734 | return *MaxSize;\r | |
735 | } else {\r | |
736 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
737 | //\r | |
738 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
739 | // 1) MAX SIZE\r | |
740 | // 2) Current Size\r | |
741 | //\r | |
742 | return SizeTable[SizeTableIdx + 1];\r | |
743 | } else {\r | |
744 | //\r | |
745 | // We have these entry for SKU enabled PCD entry\r | |
746 | // 1) MAX SIZE\r | |
747 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
748 | //\r | |
749 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r | |
750 | for (i = 0; i < SkuIdTable[0]; i++) {\r | |
751 | if (SkuIdTable[1 + i] == Database->Init.SystemSkuId) {\r | |
752 | return SizeTable[SizeTableIdx + 1 + i];\r | |
753 | }\r | |
754 | }\r | |
755 | return SizeTable[SizeTableIdx + 1];\r | |
756 | }\r | |
757 | }\r | |
758 | }\r | |
759 | \r | |
760 | \r | |
761 | \r | |
762 | BOOLEAN\r | |
763 | SetPtrTypeSize (\r | |
764 | IN UINTN LocalTokenNumberTableIdx,\r | |
765 | IN OUT UINTN *CurrentSize,\r | |
766 | IN PEI_PCD_DATABASE *Database\r | |
767 | )\r | |
768 | {\r | |
769 | INTN SizeTableIdx;\r | |
770 | UINTN LocalTokenNumber;\r | |
771 | SKU_ID *SkuIdTable;\r | |
772 | SIZE_INFO *SizeTable;\r | |
773 | UINTN i;\r | |
774 | UINTN MaxSize;\r | |
775 | \r | |
776 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r | |
777 | \r | |
778 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
779 | \r | |
780 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
781 | \r | |
782 | SizeTable = Database->Init.SizeTable;\r | |
783 | \r | |
784 | MaxSize = SizeTable[SizeTableIdx];\r | |
785 | //\r | |
786 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
787 | // PCD entry.\r | |
788 | //\r | |
789 | if (LocalTokenNumber & PCD_TYPE_VPD) {\r | |
790 | //\r | |
791 | // We shouldn't come here as we don't support SET for VPD\r | |
792 | //\r | |
793 | ASSERT (FALSE);\r | |
794 | return FALSE;\r | |
795 | } else {\r | |
796 | if ((*CurrentSize > MaxSize) ||\r | |
797 | (*CurrentSize == MAX_ADDRESS)) {\r | |
798 | *CurrentSize = MaxSize;\r | |
799 | return FALSE;\r | |
800 | } \r | |
801 | \r | |
802 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
803 | //\r | |
804 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
805 | // 1) MAX SIZE\r | |
806 | // 2) Current Size\r | |
807 | //\r | |
808 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
809 | return TRUE;\r | |
810 | } else {\r | |
811 | //\r | |
812 | // We have these entry for SKU enabled PCD entry\r | |
813 | // 1) MAX SIZE\r | |
814 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
815 | //\r | |
816 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r | |
817 | for (i = 0; i < SkuIdTable[0]; i++) {\r | |
818 | if (SkuIdTable[1 + i] == Database->Init.SystemSkuId) {\r | |
819 | SizeTable[SizeTableIdx + 1 + i] = (SIZE_INFO) *CurrentSize;\r | |
820 | return TRUE;\r | |
821 | }\r | |
822 | }\r | |
823 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
824 | return TRUE;\r | |
825 | }\r | |
826 | }\r | |
827 | \r | |
828 | }\r |