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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 | |
4f914125 | 55 | ASSERT (TokenNumber + 1 < PEI_NEX_TOKEN_NUMBER + 1);\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 | |
4f914125 | 65 | // EBC compiler is very choosy. It may report warning about comparison\r |
66 | // between UINTN and 0 . So we add 1 in each size of the \r | |
67 | // comparison.\r | |
68 | ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
52e1905d | 69 | }\r |
878ddf1f | 70 | \r |
58f1099f | 71 | \r |
9d6d8b24 | 72 | LocalTokenNumber = GetPcdDatabase()->Init.LocalTokenNumberTable[TokenNumber];\r |
73 | \r | |
1de04b4f | 74 | //\r |
75 | // We don't support SET for HII and VPD type PCD entry in PEI phase.\r | |
76 | // So we will assert if any register callback for such PCD entry.\r | |
77 | //\r | |
52e1905d | 78 | ASSERT ((LocalTokenNumber & PCD_TYPE_HII) == 0);\r |
79 | ASSERT ((LocalTokenNumber & PCD_TYPE_VPD) == 0);\r | |
878ddf1f | 80 | \r |
52e1905d | 81 | GuidHob = GetFirstGuidHob (&gPcdPeiCallbackFnTableHobGuid);\r |
878ddf1f | 82 | ASSERT (GuidHob != NULL);\r |
52e1905d | 83 | \r |
84 | CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r | |
0653eb89 | 85 | CallbackTable = CallbackTable + (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r |
878ddf1f | 86 | \r |
52e1905d | 87 | Compare = Register? NULL: CallBackFunction;\r |
88 | Assign = Register? CallBackFunction: NULL;\r | |
878ddf1f | 89 | \r |
0653eb89 | 90 | \r |
52e1905d | 91 | for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r |
92 | if (CallbackTable[Idx] == Compare) {\r | |
93 | CallbackTable[Idx] = Assign;\r | |
94 | return EFI_SUCCESS;\r | |
95 | }\r | |
96 | }\r | |
878ddf1f | 97 | \r |
52e1905d | 98 | return Register? EFI_OUT_OF_RESOURCES : EFI_NOT_FOUND;\r |
878ddf1f | 99 | \r |
878ddf1f | 100 | }\r |
101 | \r | |
102 | \r | |
878ddf1f | 103 | \r |
878ddf1f | 104 | \r |
52e1905d | 105 | /**\r |
106 | The function builds the PCD database based on the\r | |
107 | PCD_IMAGE on the flash.\r | |
878ddf1f | 108 | \r |
52e1905d | 109 | @param[in] PcdImageOnFlash The PCD image on flash.\r |
878ddf1f | 110 | \r |
52e1905d | 111 | @retval VOID\r |
878ddf1f | 112 | --*/\r |
52e1905d | 113 | VOID\r |
114 | BuildPcdDatabase (\r | |
115 | VOID\r | |
878ddf1f | 116 | )\r |
117 | {\r | |
52e1905d | 118 | PEI_PCD_DATABASE *Database;\r |
119 | VOID *CallbackFnTable;\r | |
120 | UINTN SizeOfCallbackFnTable;\r | |
121 | \r | |
122 | Database = BuildGuidHob (&gPcdDataBaseHobGuid, sizeof (PEI_PCD_DATABASE));\r | |
878ddf1f | 123 | \r |
52e1905d | 124 | ZeroMem (Database, sizeof (PEI_PCD_DATABASE));\r |
878ddf1f | 125 | \r |
126 | //\r | |
52e1905d | 127 | // gPEIPcdDbInit is smaller than PEI_PCD_DATABASE\r |
878ddf1f | 128 | //\r |
878ddf1f | 129 | \r |
52e1905d | 130 | CopyMem (&Database->Init, &gPEIPcdDbInit, sizeof (gPEIPcdDbInit));\r |
878ddf1f | 131 | \r |
52e1905d | 132 | SizeOfCallbackFnTable = PEI_LOCAL_TOKEN_NUMBER * sizeof (PCD_PPI_CALLBACK) * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry);\r |
878ddf1f | 133 | \r |
52e1905d | 134 | CallbackFnTable = BuildGuidHob (&gPcdPeiCallbackFnTableHobGuid, SizeOfCallbackFnTable);\r |
135 | \r | |
136 | ZeroMem (CallbackFnTable, SizeOfCallbackFnTable);\r | |
137 | \r | |
138 | return;\r | |
878ddf1f | 139 | }\r |
140 | \r | |
141 | \r | |
142 | \r | |
143 | /**\r | |
52e1905d | 144 | The function is provided by PCD PEIM and PCD DXE driver to\r |
145 | do the work of reading a HII variable from variable service.\r | |
878ddf1f | 146 | \r |
52e1905d | 147 | @param[in] VariableGuid The Variable GUID.\r |
148 | @param[in] VariableName The Variable Name.\r | |
149 | @param[out] VariableData The output data.\r | |
150 | @param[out] VariableSize The size of the variable.\r | |
878ddf1f | 151 | \r |
52e1905d | 152 | @retval EFI_SUCCESS Operation successful.\r |
153 | @retval EFI_SUCCESS Variablel not found.\r | |
878ddf1f | 154 | --*/\r |
155 | EFI_STATUS\r | |
52e1905d | 156 | GetHiiVariable (\r |
157 | IN CONST EFI_GUID *VariableGuid,\r | |
158 | IN UINT16 *VariableName,\r | |
159 | OUT VOID **VariableData,\r | |
160 | OUT UINTN *VariableSize\r | |
878ddf1f | 161 | )\r |
162 | {\r | |
52e1905d | 163 | UINTN Size;\r |
164 | EFI_STATUS Status;\r | |
165 | VOID *Buffer;\r | |
166 | EFI_PEI_READ_ONLY_VARIABLE_PPI *VariablePpi;\r | |
878ddf1f | 167 | \r |
84a99d48 | 168 | Status = PeiServicesLocatePpi (&gEfiPeiReadOnlyVariablePpiGuid, 0, NULL, (VOID **) &VariablePpi);\r |
52e1905d | 169 | ASSERT_EFI_ERROR (Status);\r |
878ddf1f | 170 | \r |
52e1905d | 171 | Size = 0;\r |
52e1905d | 172 | Status = VariablePpi->PeiGetVariable (\r |
173 | GetPeiServicesTablePointer (),\r | |
174 | VariableName,\r | |
175 | (EFI_GUID *) VariableGuid,\r | |
176 | NULL,\r | |
177 | &Size,\r | |
178 | NULL\r | |
179 | );\r | |
c0e96fed | 180 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
52e1905d | 181 | \r |
52e1905d | 182 | \r |
c0e96fed | 183 | Status = PeiServicesAllocatePool (Size, &Buffer);\r |
184 | ASSERT_EFI_ERROR (Status);\r | |
52e1905d | 185 | \r |
c0e96fed | 186 | Status = VariablePpi->PeiGetVariable (\r |
187 | GetPeiServicesTablePointer (),\r | |
188 | (UINT16 *) VariableName,\r | |
189 | (EFI_GUID *) VariableGuid,\r | |
190 | NULL,\r | |
191 | &Size,\r | |
192 | Buffer\r | |
193 | );\r | |
194 | ASSERT_EFI_ERROR (Status);\r | |
195 | \r | |
196 | *VariableSize = Size;\r | |
197 | *VariableData = Buffer;\r | |
198 | \r | |
199 | return EFI_SUCCESS;\r | |
200 | } else {\r | |
201 | return EFI_NOT_FOUND;\r | |
202 | }\r | |
878ddf1f | 203 | \r |
878ddf1f | 204 | }\r |
205 | \r | |
206 | \r | |
52e1905d | 207 | UINT32\r |
208 | GetSkuEnabledTokenNumber (\r | |
209 | UINT32 LocalTokenNumber,\r | |
210 | UINTN Size\r | |
211 | ) \r | |
878ddf1f | 212 | {\r |
52e1905d | 213 | PEI_PCD_DATABASE *PeiPcdDb;\r |
214 | SKU_HEAD *SkuHead;\r | |
215 | SKU_ID *SkuIdTable;\r | |
216 | INTN i;\r | |
217 | UINT8 *Value;\r | |
218 | \r | |
219 | PeiPcdDb = GetPcdDatabase ();\r | |
220 | \r | |
221 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
222 | \r | |
223 | SkuHead = (SKU_HEAD *) ((UINT8 *)PeiPcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
224 | Value = (UINT8 *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuDataStartOffset));\r | |
225 | SkuIdTable = (SKU_ID *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuIdTableOffset));\r | |
226 | \r | |
227 | for (i = 0; i < SkuIdTable[0]; i++) {\r | |
228 | if (PeiPcdDb->Init.SystemSkuId == SkuIdTable[i + 1]) {\r | |
229 | break;\r | |
230 | }\r | |
231 | }\r | |
878ddf1f | 232 | \r |
1de04b4f | 233 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
52e1905d | 234 | case PCD_TYPE_VPD:\r |
1de04b4f | 235 | Value = (UINT8 *) &(((VPD_HEAD *) Value)[i]);\r |
4f914125 | 236 | return (UINT32) ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_VPD);\r |
52e1905d | 237 | \r |
238 | case PCD_TYPE_HII:\r | |
1de04b4f | 239 | Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[i]);\r |
4f914125 | 240 | return (UINT32) ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_HII);\r |
52e1905d | 241 | \r |
1de04b4f | 242 | case PCD_TYPE_STRING:\r |
243 | Value = (UINT8 *) &(((STRING_HEAD *) Value)[i]);\r | |
4f914125 | 244 | return (UINT32) ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_STRING);\r |
1de04b4f | 245 | \r |
00b7af13 | 246 | case PCD_TYPE_DATA:\r |
52e1905d | 247 | Value += Size * i;\r |
4f914125 | 248 | return (UINT32) (Value - (UINT8 *) PeiPcdDb);\r |
1de04b4f | 249 | \r |
52e1905d | 250 | default:\r |
251 | ASSERT (FALSE);\r | |
252 | }\r | |
878ddf1f | 253 | \r |
52e1905d | 254 | ASSERT (FALSE);\r |
878ddf1f | 255 | \r |
52e1905d | 256 | return 0;\r |
257 | \r | |
878ddf1f | 258 | }\r |
259 | \r | |
260 | \r | |
261 | \r | |
878ddf1f | 262 | \r |
52e1905d | 263 | VOID\r |
264 | InvokeCallbackOnSet (\r | |
4f914125 | 265 | UINTN ExTokenNumber,\r |
52e1905d | 266 | CONST EFI_GUID *Guid, OPTIONAL\r |
267 | UINTN TokenNumber,\r | |
268 | VOID *Data,\r | |
269 | UINTN Size\r | |
270 | )\r | |
878ddf1f | 271 | {\r |
878ddf1f | 272 | EFI_HOB_GUID_TYPE *GuidHob;\r |
878ddf1f | 273 | PCD_PPI_CALLBACK *CallbackTable;\r |
52e1905d | 274 | UINTN Idx;\r |
878ddf1f | 275 | \r |
58f1099f | 276 | //\r |
277 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
278 | // We have to decrement TokenNumber by 1 to make it usable\r | |
279 | // as the array index.\r | |
280 | //\r | |
281 | TokenNumber--;\r | |
282 | \r | |
4f914125 | 283 | if (Guid == NULL) {\r |
284 | // EBC compiler is very choosy. It may report warning about comparison\r | |
285 | // between UINTN and 0 . So we add 1 in each size of the \r | |
286 | // comparison.\r | |
287 | ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
288 | }\r | |
52e1905d | 289 | \r |
290 | GuidHob = GetFirstGuidHob (&gPcdPeiCallbackFnTableHobGuid);\r | |
878ddf1f | 291 | ASSERT (GuidHob != NULL);\r |
292 | \r | |
52e1905d | 293 | CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r |
878ddf1f | 294 | \r |
52e1905d | 295 | CallbackTable += (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r |
878ddf1f | 296 | \r |
52e1905d | 297 | for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r |
298 | if (CallbackTable[Idx] != NULL) {\r | |
299 | CallbackTable[Idx] (Guid,\r | |
300 | (Guid == NULL)? TokenNumber: ExTokenNumber,\r | |
301 | Data,\r | |
302 | Size\r | |
303 | );\r | |
878ddf1f | 304 | }\r |
305 | }\r | |
52e1905d | 306 | \r |
878ddf1f | 307 | }\r |
308 | \r | |
9d6d8b24 | 309 | \r |
310 | \r | |
1de04b4f | 311 | EFI_STATUS\r |
312 | SetValueWorker (\r | |
313 | IN UINTN TokenNumber,\r | |
314 | IN VOID *Data,\r | |
315 | IN UINTN Size\r | |
316 | )\r | |
317 | {\r | |
318 | return SetWorker (TokenNumber, Data, &Size, FALSE);\r | |
319 | }\r | |
320 | \r | |
321 | \r | |
9d6d8b24 | 322 | \r |
878ddf1f | 323 | EFI_STATUS\r |
52e1905d | 324 | SetWorker (\r |
1de04b4f | 325 | IN UINTN TokenNumber,\r |
326 | IN OUT VOID *Data,\r | |
327 | IN OUT UINTN *Size,\r | |
328 | IN BOOLEAN PtrType\r | |
878ddf1f | 329 | )\r |
330 | {\r | |
52e1905d | 331 | UINT32 LocalTokenNumber;\r |
332 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
9d6d8b24 | 333 | UINT16 StringTableIdx;\r |
334 | UINTN Offset;\r | |
335 | VOID *InternalData;\r | |
1de04b4f | 336 | UINTN MaxSize;\r |
878ddf1f | 337 | \r |
58f1099f | 338 | //\r |
339 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
340 | // We have to decrement TokenNumber by 1 to make it usable\r | |
341 | // as the array index.\r | |
342 | //\r | |
343 | TokenNumber--;\r | |
344 | \r | |
4f914125 | 345 | // EBC compiler is very choosy. It may report warning about comparison\r |
346 | // between UINTN and 0 . So we add 1 in each size of the \r | |
347 | // comparison.\r | |
348 | ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
52e1905d | 349 | \r |
350 | PeiPcdDb = GetPcdDatabase ();\r | |
878ddf1f | 351 | \r |
52e1905d | 352 | LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r |
878ddf1f | 353 | \r |
1de04b4f | 354 | if (!PtrType) {\r |
355 | ASSERT (PeiPcdGetSize(TokenNumber + 1) == *Size);\r | |
52e1905d | 356 | }\r |
878ddf1f | 357 | \r |
9d6d8b24 | 358 | //\r |
359 | // We only invoke the callback function for Dynamic Type PCD Entry.\r | |
360 | // For Dynamic EX PCD entry, we have invoked the callback function for Dynamic EX\r | |
361 | // type PCD entry in ExSetWorker.\r | |
362 | //\r | |
4f914125 | 363 | if (TokenNumber + 1 < PEI_NEX_TOKEN_NUMBER + 1) {\r |
1de04b4f | 364 | InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);\r |
9d6d8b24 | 365 | }\r |
878ddf1f | 366 | \r |
52e1905d | 367 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r |
1de04b4f | 368 | if (PtrType) {\r |
369 | MaxSize = GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
370 | } else {\r | |
371 | MaxSize = *Size;\r | |
372 | }\r | |
373 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize);\r | |
52e1905d | 374 | }\r |
878ddf1f | 375 | \r |
52e1905d | 376 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
9d6d8b24 | 377 | InternalData = (VOID *) ((UINT8 *) PeiPcdDb + Offset);\r |
878ddf1f | 378 | \r |
1de04b4f | 379 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
52e1905d | 380 | case PCD_TYPE_VPD:\r |
381 | case PCD_TYPE_HII:\r | |
382 | {\r | |
383 | ASSERT (FALSE);\r | |
384 | return EFI_INVALID_PARAMETER;\r | |
385 | }\r | |
878ddf1f | 386 | \r |
52e1905d | 387 | case PCD_TYPE_STRING:\r |
1de04b4f | 388 | if (SetPtrTypeSize (TokenNumber, Size, PeiPcdDb)) {\r |
389 | StringTableIdx = *((UINT16 *)InternalData);\r | |
390 | CopyMem (&PeiPcdDb->Init.StringTable[StringTableIdx], Data, *Size);\r | |
391 | return EFI_SUCCESS;\r | |
392 | } else {\r | |
393 | return EFI_INVALID_PARAMETER;\r | |
394 | }\r | |
878ddf1f | 395 | \r |
52e1905d | 396 | case PCD_TYPE_DATA:\r |
397 | {\r | |
52e1905d | 398 | if (PtrType) {\r |
1de04b4f | 399 | if (SetPtrTypeSize (TokenNumber, Size, PeiPcdDb)) {\r |
400 | CopyMem (InternalData, Data, *Size);\r | |
401 | return EFI_SUCCESS;\r | |
402 | } else {\r | |
403 | return EFI_INVALID_PARAMETER;\r | |
404 | }\r | |
52e1905d | 405 | }\r |
878ddf1f | 406 | \r |
1de04b4f | 407 | switch (*Size) {\r |
52e1905d | 408 | case sizeof(UINT8):\r |
409 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
410 | return EFI_SUCCESS;\r | |
878ddf1f | 411 | \r |
52e1905d | 412 | case sizeof(UINT16):\r |
413 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
414 | return EFI_SUCCESS;\r | |
878ddf1f | 415 | \r |
52e1905d | 416 | case sizeof(UINT32):\r |
417 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
418 | return EFI_SUCCESS;\r | |
878ddf1f | 419 | \r |
52e1905d | 420 | case sizeof(UINT64):\r |
421 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
422 | return EFI_SUCCESS;\r | |
878ddf1f | 423 | \r |
52e1905d | 424 | default:\r |
425 | ASSERT (FALSE);\r | |
426 | return EFI_NOT_FOUND;\r | |
427 | }\r | |
428 | }\r | |
429 | \r | |
878ddf1f | 430 | }\r |
431 | \r | |
52e1905d | 432 | ASSERT (FALSE);\r |
433 | return EFI_NOT_FOUND;\r | |
9d6d8b24 | 434 | \r |
435 | }\r | |
436 | \r | |
437 | \r | |
438 | \r | |
1de04b4f | 439 | EFI_STATUS\r |
440 | ExSetValueWorker (\r | |
441 | IN UINTN ExTokenNumber,\r | |
442 | IN CONST EFI_GUID *Guid,\r | |
443 | IN VOID *Data,\r | |
444 | IN UINTN Size\r | |
445 | )\r | |
446 | {\r | |
447 | return ExSetWorker (ExTokenNumber, Guid, Data, &Size, FALSE);\r | |
448 | }\r | |
449 | \r | |
450 | \r | |
9d6d8b24 | 451 | \r |
452 | EFI_STATUS\r | |
453 | ExSetWorker (\r | |
1de04b4f | 454 | IN UINTN ExTokenNumber,\r |
455 | IN CONST EFI_GUID *Guid,\r | |
456 | IN VOID *Data,\r | |
457 | IN OUT UINTN *Size,\r | |
458 | IN BOOLEAN PtrType\r | |
9d6d8b24 | 459 | )\r |
460 | {\r | |
8a43e8dd | 461 | UINTN TokenNumber;\r |
9d6d8b24 | 462 | \r |
463 | TokenNumber = GetExPcdTokenNumber (Guid, ExTokenNumber);\r | |
464 | \r | |
1de04b4f | 465 | InvokeCallbackOnSet (ExTokenNumber, Guid, TokenNumber, Data, *Size);\r |
9d6d8b24 | 466 | \r |
1de04b4f | 467 | return SetWorker (TokenNumber, Data, Size, PtrType);\r |
9d6d8b24 | 468 | \r |
9d6d8b24 | 469 | }\r |
470 | \r | |
471 | \r | |
472 | \r | |
473 | \r | |
474 | VOID *\r | |
475 | ExGetWorker (\r | |
476 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 477 | IN UINTN ExTokenNumber,\r |
9d6d8b24 | 478 | IN UINTN GetSize\r |
479 | )\r | |
480 | {\r | |
481 | return GetWorker (GetExPcdTokenNumber (Guid, ExTokenNumber), GetSize);\r | |
878ddf1f | 482 | }\r |
483 | \r | |
484 | \r | |
9d6d8b24 | 485 | \r |
486 | \r | |
52e1905d | 487 | VOID *\r |
9d6d8b24 | 488 | GetWorker (\r |
8a43e8dd | 489 | UINTN TokenNumber,\r |
9d6d8b24 | 490 | UINTN GetSize\r |
878ddf1f | 491 | )\r |
492 | {\r | |
52e1905d | 493 | UINT32 Offset;\r |
494 | EFI_GUID *Guid;\r | |
495 | UINT16 *Name;\r | |
496 | VARIABLE_HEAD *VariableHead;\r | |
497 | EFI_STATUS Status;\r | |
498 | UINTN DataSize;\r | |
499 | VOID *Data;\r | |
500 | UINT16 *StringTable;\r | |
501 | UINT16 StringTableIdx;\r | |
9d6d8b24 | 502 | PEI_PCD_DATABASE *PeiPcdDb;\r |
503 | UINT32 LocalTokenNumber;\r | |
1de04b4f | 504 | UINTN MaxSize;\r |
9d6d8b24 | 505 | \r |
58f1099f | 506 | //\r |
507 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
508 | // We have to decrement TokenNumber by 1 to make it usable\r | |
509 | // as the array index.\r | |
510 | //\r | |
511 | TokenNumber--;\r | |
512 | \r | |
4f914125 | 513 | // EBC compiler is very choosy. It may report warning about comparison\r |
514 | // between UINTN and 0 . So we add 1 in each size of the \r | |
515 | // comparison.\r | |
516 | ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
9d6d8b24 | 517 | \r |
1de04b4f | 518 | ASSERT ((GetSize == PeiPcdGetSize(TokenNumber + 1)) || (GetSize == 0));\r |
9d6d8b24 | 519 | \r |
52e1905d | 520 | PeiPcdDb = GetPcdDatabase ();\r |
521 | \r | |
9d6d8b24 | 522 | LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r |
523 | \r | |
52e1905d | 524 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r |
1de04b4f | 525 | if (GetSize == 0) {\r |
526 | MaxSize = GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
527 | } else {\r | |
528 | MaxSize = GetSize;\r | |
529 | }\r | |
530 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize);\r | |
52e1905d | 531 | }\r |
878ddf1f | 532 | \r |
52e1905d | 533 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
534 | StringTable = PeiPcdDb->Init.StringTable;\r | |
535 | \r | |
1de04b4f | 536 | switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {\r |
52e1905d | 537 | case PCD_TYPE_VPD:\r |
538 | {\r | |
539 | VPD_HEAD *VpdHead;\r | |
540 | VpdHead = (VPD_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r | |
4f914125 | 541 | return (VOID *) (UINTN) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);\r |
52e1905d | 542 | }\r |
543 | \r | |
544 | case PCD_TYPE_HII:\r | |
545 | {\r | |
546 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r | |
547 | \r | |
548 | Guid = &(PeiPcdDb->Init.GuidTable[VariableHead->GuidTableIndex]);\r | |
549 | Name = &StringTable[VariableHead->StringIndex];\r | |
550 | \r | |
551 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
52e1905d | 552 | \r |
c0e96fed | 553 | if (Status == EFI_SUCCESS) {\r |
c0e96fed | 554 | return (VOID *) ((UINT8 *) Data + VariableHead->Offset);\r |
555 | } else {\r | |
556 | //\r | |
58f1099f | 557 | // Return the default value specified by Platform Integrator \r |
558 | //\r | |
559 | return (VOID *) ((UINT8 *) PeiPcdDb + VariableHead->DefaultValueOffset);\r | |
c0e96fed | 560 | }\r |
52e1905d | 561 | }\r |
878ddf1f | 562 | \r |
52e1905d | 563 | case PCD_TYPE_DATA:\r |
564 | return (VOID *) ((UINT8 *)PeiPcdDb + Offset);\r | |
878ddf1f | 565 | \r |
52e1905d | 566 | case PCD_TYPE_STRING:\r |
567 | StringTableIdx = (UINT16) *((UINT8 *) PeiPcdDb + Offset);\r | |
568 | return (VOID *) (&StringTable[StringTableIdx]);\r | |
878ddf1f | 569 | \r |
52e1905d | 570 | default:\r |
571 | ASSERT (FALSE);\r | |
572 | break;\r | |
573 | \r | |
574 | }\r | |
878ddf1f | 575 | \r |
52e1905d | 576 | ASSERT (FALSE);\r |
577 | \r | |
578 | return NULL;\r | |
579 | \r | |
580 | }\r | |
878ddf1f | 581 | \r |
878ddf1f | 582 | \r |
8a43e8dd | 583 | UINTN \r |
9d6d8b24 | 584 | GetExPcdTokenNumber (\r |
52e1905d | 585 | IN CONST EFI_GUID *Guid,\r |
4f914125 | 586 | IN UINTN ExTokenNumber\r |
52e1905d | 587 | )\r |
588 | {\r | |
589 | UINT32 i;\r | |
590 | DYNAMICEX_MAPPING *ExMap;\r | |
591 | EFI_GUID *GuidTable;\r | |
9d6d8b24 | 592 | EFI_GUID *MatchGuid;\r |
593 | UINTN MatchGuidIdx;\r | |
52e1905d | 594 | PEI_PCD_DATABASE *PeiPcdDb;\r |
878ddf1f | 595 | \r |
52e1905d | 596 | PeiPcdDb = GetPcdDatabase();\r |
597 | \r | |
598 | ExMap = PeiPcdDb->Init.ExMapTable;\r | |
599 | GuidTable = PeiPcdDb->Init.GuidTable;\r | |
9d6d8b24 | 600 | \r |
601 | MatchGuid = ScanGuid (GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);\r | |
bb5545b6 | 602 | //\r |
603 | // We need to ASSERT here. If GUID can't be found in GuidTable, this is a\r | |
604 | // error in the BUILD system.\r | |
605 | //\r | |
9d6d8b24 | 606 | ASSERT (MatchGuid != NULL);\r |
607 | \r | |
608 | MatchGuidIdx = MatchGuid - GuidTable;\r | |
52e1905d | 609 | \r |
610 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
611 | if ((ExTokenNumber == ExMap[i].ExTokenNumber) && \r | |
9d6d8b24 | 612 | (MatchGuidIdx == ExMap[i].ExGuidIndex)) {\r |
613 | return ExMap[i].LocalTokenNumber;\r | |
52e1905d | 614 | }\r |
615 | }\r | |
616 | \r | |
617 | ASSERT (FALSE);\r | |
618 | \r | |
9d6d8b24 | 619 | return 0;\r |
878ddf1f | 620 | }\r |
621 | \r | |
622 | \r | |
623 | \r | |
52e1905d | 624 | PEI_PCD_DATABASE *\r |
625 | GetPcdDatabase (\r | |
626 | VOID\r | |
878ddf1f | 627 | )\r |
628 | {\r | |
52e1905d | 629 | EFI_HOB_GUID_TYPE *GuidHob;\r |
878ddf1f | 630 | \r |
52e1905d | 631 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
632 | ASSERT (GuidHob != NULL);\r | |
633 | \r | |
634 | return (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
635 | }\r | |
878ddf1f | 636 | \r |
1de04b4f | 637 | \r |
638 | SKU_ID *\r | |
639 | GetSkuIdArray (\r | |
640 | IN UINTN LocalTokenNumberTableIdx,\r | |
641 | IN PEI_PCD_DATABASE *Database\r | |
642 | )\r | |
643 | {\r | |
644 | SKU_HEAD *SkuHead;\r | |
645 | UINTN LocalTokenNumber;\r | |
646 | \r | |
647 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
648 | \r | |
649 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);\r | |
650 | \r | |
651 | SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
652 | \r | |
653 | return (SKU_ID *) ((UINT8 *)Database + SkuHead->SkuIdTableOffset);\r | |
654 | \r | |
655 | }\r | |
656 | \r | |
657 | \r | |
658 | \r | |
659 | UINTN\r | |
660 | GetSizeTableIndex (\r | |
661 | IN UINTN LocalTokenNumberTableIdx,\r | |
662 | IN PEI_PCD_DATABASE *Database\r | |
663 | )\r | |
664 | {\r | |
665 | UINTN i;\r | |
666 | UINTN SizeTableIdx;\r | |
667 | UINTN LocalTokenNumber;\r | |
668 | SKU_ID *SkuIdTable;\r | |
669 | \r | |
670 | SizeTableIdx = 0;\r | |
671 | \r | |
672 | for (i=0; i<LocalTokenNumberTableIdx; i++) {\r | |
673 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[i];\r | |
674 | \r | |
675 | if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {\r | |
676 | //\r | |
677 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
678 | // PCD entry.\r | |
679 | //\r | |
680 | if (LocalTokenNumber & PCD_TYPE_VPD) {\r | |
681 | //\r | |
682 | // We have only one entry for VPD enabled PCD entry:\r | |
683 | // 1) MAX Size.\r | |
684 | // We consider current size is equal to MAX size.\r | |
685 | //\r | |
686 | SizeTableIdx++;\r | |
687 | } else {\r | |
688 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
689 | //\r | |
690 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
691 | // 1) MAX SIZE\r | |
692 | // 2) Current Size\r | |
693 | //\r | |
694 | SizeTableIdx += 2;\r | |
695 | } else {\r | |
696 | //\r | |
697 | // We have these entry for SKU enabled PCD entry\r | |
698 | // 1) MAX SIZE\r | |
699 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
700 | //\r | |
701 | SkuIdTable = GetSkuIdArray (i, Database);\r | |
702 | SizeTableIdx += (UINTN)*SkuIdTable + 1;\r | |
703 | }\r | |
704 | }\r | |
705 | }\r | |
706 | \r | |
707 | }\r | |
708 | \r | |
709 | return SizeTableIdx;\r | |
710 | }\r | |
711 | \r | |
712 | \r | |
713 | \r | |
714 | \r | |
715 | UINTN\r | |
716 | GetPtrTypeSize (\r | |
717 | IN UINTN LocalTokenNumberTableIdx,\r | |
718 | OUT UINTN *MaxSize,\r | |
719 | IN PEI_PCD_DATABASE *Database\r | |
720 | )\r | |
721 | {\r | |
722 | INTN SizeTableIdx;\r | |
723 | UINTN LocalTokenNumber;\r | |
724 | SKU_ID *SkuIdTable;\r | |
725 | SIZE_INFO *SizeTable;\r | |
726 | UINTN i;\r | |
727 | \r | |
728 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r | |
729 | \r | |
730 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
731 | \r | |
732 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
733 | \r | |
734 | SizeTable = Database->Init.SizeTable;\r | |
735 | \r | |
736 | *MaxSize = SizeTable[SizeTableIdx];\r | |
737 | //\r | |
738 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
739 | // PCD entry.\r | |
740 | //\r | |
741 | if (LocalTokenNumber & PCD_TYPE_VPD) {\r | |
742 | //\r | |
743 | // We have only one entry for VPD enabled PCD entry:\r | |
744 | // 1) MAX Size.\r | |
745 | // We consider current size is equal to MAX size.\r | |
746 | //\r | |
747 | return *MaxSize;\r | |
748 | } else {\r | |
749 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
750 | //\r | |
751 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
752 | // 1) MAX SIZE\r | |
753 | // 2) Current Size\r | |
754 | //\r | |
755 | return SizeTable[SizeTableIdx + 1];\r | |
756 | } else {\r | |
757 | //\r | |
758 | // We have these entry for SKU enabled PCD entry\r | |
759 | // 1) MAX SIZE\r | |
760 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
761 | //\r | |
762 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r | |
763 | for (i = 0; i < SkuIdTable[0]; i++) {\r | |
764 | if (SkuIdTable[1 + i] == Database->Init.SystemSkuId) {\r | |
765 | return SizeTable[SizeTableIdx + 1 + i];\r | |
766 | }\r | |
767 | }\r | |
768 | return SizeTable[SizeTableIdx + 1];\r | |
769 | }\r | |
770 | }\r | |
771 | }\r | |
772 | \r | |
773 | \r | |
774 | \r | |
775 | BOOLEAN\r | |
776 | SetPtrTypeSize (\r | |
777 | IN UINTN LocalTokenNumberTableIdx,\r | |
778 | IN OUT UINTN *CurrentSize,\r | |
779 | IN PEI_PCD_DATABASE *Database\r | |
780 | )\r | |
781 | {\r | |
782 | INTN SizeTableIdx;\r | |
783 | UINTN LocalTokenNumber;\r | |
784 | SKU_ID *SkuIdTable;\r | |
785 | SIZE_INFO *SizeTable;\r | |
786 | UINTN i;\r | |
787 | UINTN MaxSize;\r | |
788 | \r | |
789 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r | |
790 | \r | |
791 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r | |
792 | \r | |
793 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
794 | \r | |
795 | SizeTable = Database->Init.SizeTable;\r | |
796 | \r | |
797 | MaxSize = SizeTable[SizeTableIdx];\r | |
798 | //\r | |
799 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
800 | // PCD entry.\r | |
801 | //\r | |
802 | if (LocalTokenNumber & PCD_TYPE_VPD) {\r | |
803 | //\r | |
804 | // We shouldn't come here as we don't support SET for VPD\r | |
805 | //\r | |
806 | ASSERT (FALSE);\r | |
807 | return FALSE;\r | |
808 | } else {\r | |
809 | if ((*CurrentSize > MaxSize) ||\r | |
810 | (*CurrentSize == MAX_ADDRESS)) {\r | |
811 | *CurrentSize = MaxSize;\r | |
812 | return FALSE;\r | |
813 | } \r | |
814 | \r | |
815 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
816 | //\r | |
817 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
818 | // 1) MAX SIZE\r | |
819 | // 2) Current Size\r | |
820 | //\r | |
821 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
822 | return TRUE;\r | |
823 | } else {\r | |
824 | //\r | |
825 | // We have these entry for SKU enabled PCD entry\r | |
826 | // 1) MAX SIZE\r | |
827 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
828 | //\r | |
829 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r | |
830 | for (i = 0; i < SkuIdTable[0]; i++) {\r | |
831 | if (SkuIdTable[1 + i] == Database->Init.SystemSkuId) {\r | |
832 | SizeTable[SizeTableIdx + 1 + i] = (SIZE_INFO) *CurrentSize;\r | |
833 | return TRUE;\r | |
834 | }\r | |
835 | }\r | |
836 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
837 | return TRUE;\r | |
838 | }\r | |
839 | }\r | |
840 | \r | |
841 | }\r |