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52e1905d | 1 | /** @file PCD PEIM\r |
878ddf1f | 2 | \r |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | \r | |
13 | Module Name: Pcd.c\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
878ddf1f | 17 | #include "Service.h"\r |
18 | \r | |
19 | \r | |
20 | PCD_PPI mPcdPpiInstance = {\r | |
21 | PeiPcdSetSku,\r | |
22 | \r | |
23 | PeiPcdGet8,\r | |
24 | PeiPcdGet16, \r | |
25 | PeiPcdGet32, \r | |
26 | PeiPcdGet64, \r | |
27 | PeiPcdGetPtr, \r | |
28 | PeiPcdGetBool, \r | |
29 | PeiPcdGetSize,\r | |
30 | \r | |
31 | PeiPcdGet8Ex,\r | |
32 | PeiPcdGet16Ex, \r | |
33 | PeiPcdGet32Ex, \r | |
34 | PeiPcdGet64Ex, \r | |
35 | PeiPcdGetPtrEx, \r | |
36 | PeiPcdGetBoolEx, \r | |
37 | PeiPcdGetSizeEx,\r | |
38 | \r | |
39 | PeiPcdSet8,\r | |
40 | PeiPcdSet16, \r | |
41 | PeiPcdSet32, \r | |
42 | PeiPcdSet64, \r | |
43 | PeiPcdSetPtr, \r | |
44 | PeiPcdSetBool, \r | |
45 | \r | |
46 | PeiPcdSet8Ex,\r | |
47 | PeiPcdSet16Ex, \r | |
48 | PeiPcdSet32Ex, \r | |
49 | PeiPcdSet64Ex, \r | |
50 | PeiPcdSetPtrEx, \r | |
51 | PeiPcdSetBoolEx,\r | |
52 | \r | |
4c114006 | 53 | PeiRegisterCallBackOnSet,\r |
878ddf1f | 54 | PcdUnRegisterCallBackOnSet,\r |
4276d5da | 55 | PeiPcdGetNextToken,\r |
56 | PeiPcdGetNextTokenSpace\r | |
878ddf1f | 57 | };\r |
58 | \r | |
59 | \r | |
60 | \r | |
61 | STATIC EFI_PEI_PPI_DESCRIPTOR mPpiPCD = {\r | |
62 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
63 | &gPcdPpiGuid,\r | |
64 | &mPcdPpiInstance\r | |
65 | };\r | |
66 | \r | |
67 | \r | |
68 | \r | |
69 | EFI_STATUS\r | |
70 | EFIAPI\r | |
71 | PcdPeimInit (\r | |
72 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
73 | IN EFI_PEI_SERVICES **PeiServices\r | |
74 | )\r | |
75 | {\r | |
76 | EFI_STATUS Status;\r | |
878ddf1f | 77 | \r |
52e1905d | 78 | BuildPcdDatabase ();\r |
79 | \r | |
84a99d48 | 80 | Status = PeiServicesInstallPpi (&mPpiPCD);\r |
878ddf1f | 81 | \r |
82 | ASSERT_EFI_ERROR (Status);\r | |
83 | \r | |
84 | return EFI_SUCCESS;\r | |
85 | }\r | |
86 | \r | |
00b7af13 | 87 | VOID\r |
878ddf1f | 88 | EFIAPI\r |
89 | PeiPcdSetSku (\r | |
8a43e8dd | 90 | IN UINTN SkuId\r |
878ddf1f | 91 | )\r |
92 | {\r | |
878ddf1f | 93 | \r |
8a43e8dd | 94 | GetPcdDatabase()->Init.SystemSkuId = (SKU_ID) SkuId;\r |
878ddf1f | 95 | \r |
00b7af13 | 96 | return;\r |
878ddf1f | 97 | }\r |
98 | \r | |
99 | \r | |
100 | \r | |
101 | UINT8\r | |
102 | EFIAPI\r | |
103 | PeiPcdGet8 (\r | |
8a43e8dd | 104 | IN UINTN TokenNumber\r |
878ddf1f | 105 | )\r |
106 | {\r | |
52e1905d | 107 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r |
878ddf1f | 108 | }\r |
109 | \r | |
110 | \r | |
111 | \r | |
112 | UINT16\r | |
113 | EFIAPI\r | |
114 | PeiPcdGet16 (\r | |
8a43e8dd | 115 | IN UINTN TokenNumber\r |
878ddf1f | 116 | )\r |
117 | {\r | |
52e1905d | 118 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r |
878ddf1f | 119 | }\r |
120 | \r | |
121 | \r | |
122 | \r | |
123 | UINT32\r | |
124 | EFIAPI\r | |
125 | PeiPcdGet32 (\r | |
8a43e8dd | 126 | IN UINTN TokenNumber\r |
878ddf1f | 127 | )\r |
128 | {\r | |
52e1905d | 129 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r |
878ddf1f | 130 | }\r |
131 | \r | |
132 | \r | |
133 | \r | |
134 | UINT64\r | |
135 | EFIAPI\r | |
136 | PeiPcdGet64 (\r | |
8a43e8dd | 137 | IN UINTN TokenNumber\r |
878ddf1f | 138 | )\r |
139 | {\r | |
52e1905d | 140 | return ReadUnaligned64 (GetWorker (TokenNumber, sizeof (UINT64)));\r |
878ddf1f | 141 | }\r |
142 | \r | |
143 | \r | |
144 | \r | |
145 | VOID *\r | |
146 | EFIAPI\r | |
147 | PeiPcdGetPtr (\r | |
8a43e8dd | 148 | IN UINTN TokenNumber\r |
878ddf1f | 149 | )\r |
150 | {\r | |
52e1905d | 151 | return GetWorker (TokenNumber, 0);\r |
878ddf1f | 152 | }\r |
153 | \r | |
154 | \r | |
155 | \r | |
156 | BOOLEAN\r | |
157 | EFIAPI\r | |
158 | PeiPcdGetBool (\r | |
8a43e8dd | 159 | IN UINTN TokenNumber\r |
878ddf1f | 160 | )\r |
161 | {\r | |
52e1905d | 162 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r |
878ddf1f | 163 | }\r |
164 | \r | |
165 | \r | |
166 | \r | |
167 | UINTN\r | |
168 | EFIAPI\r | |
169 | PeiPcdGetSize (\r | |
8a43e8dd | 170 | IN UINTN TokenNumber\r |
878ddf1f | 171 | )\r |
172 | {\r | |
1de04b4f | 173 | PEI_PCD_DATABASE *PeiPcdDb;\r |
174 | UINTN Size;\r | |
175 | UINTN MaxSize;\r | |
176 | \r | |
177 | PeiPcdDb = GetPcdDatabase ();\r | |
58f1099f | 178 | //\r |
179 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
180 | // We have to decrement TokenNumber by 1 to make it usable\r | |
181 | // as the array index.\r | |
182 | //\r | |
183 | TokenNumber--;\r | |
184 | \r | |
4f914125 | 185 | // EBC compiler is very choosy. It may report warning about comparison\r |
186 | // between UINTN and 0 . So we add 1 in each size of the \r | |
187 | // comparison.\r | |
188 | ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
52e1905d | 189 | \r |
1de04b4f | 190 | Size = (PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r |
191 | \r | |
192 | if (Size == 0) {\r | |
193 | //\r | |
194 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
195 | //\r | |
196 | return GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
197 | } else {\r | |
198 | return Size;\r | |
199 | }\r | |
200 | \r | |
878ddf1f | 201 | }\r |
202 | \r | |
203 | \r | |
204 | \r | |
205 | UINT8\r | |
206 | EFIAPI\r | |
207 | PeiPcdGet8Ex (\r | |
208 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 209 | IN UINTN ExTokenNumber\r |
878ddf1f | 210 | )\r |
211 | {\r | |
52e1905d | 212 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof (UINT8)));\r |
878ddf1f | 213 | }\r |
214 | \r | |
215 | \r | |
216 | \r | |
217 | UINT16\r | |
218 | EFIAPI\r | |
219 | PeiPcdGet16Ex (\r | |
220 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 221 | IN UINTN ExTokenNumber\r |
878ddf1f | 222 | )\r |
223 | {\r | |
52e1905d | 224 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT16)));\r |
878ddf1f | 225 | }\r |
226 | \r | |
227 | \r | |
228 | \r | |
229 | UINT32\r | |
230 | EFIAPI\r | |
231 | PeiPcdGet32Ex (\r | |
232 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 233 | IN UINTN ExTokenNumber\r |
878ddf1f | 234 | )\r |
235 | {\r | |
52e1905d | 236 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT32)));\r |
878ddf1f | 237 | }\r |
238 | \r | |
239 | \r | |
240 | \r | |
241 | UINT64\r | |
242 | EFIAPI\r | |
243 | PeiPcdGet64Ex (\r | |
244 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 245 | IN UINTN ExTokenNumber\r |
878ddf1f | 246 | )\r |
247 | {\r | |
52e1905d | 248 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT64)));\r |
878ddf1f | 249 | }\r |
250 | \r | |
251 | \r | |
252 | \r | |
253 | VOID *\r | |
254 | EFIAPI\r | |
255 | PeiPcdGetPtrEx (\r | |
256 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 257 | IN UINTN ExTokenNumber\r |
878ddf1f | 258 | )\r |
259 | {\r | |
52e1905d | 260 | return ExGetWorker (Guid, ExTokenNumber, 0);\r |
878ddf1f | 261 | }\r |
262 | \r | |
263 | \r | |
264 | \r | |
265 | BOOLEAN\r | |
266 | EFIAPI\r | |
267 | PeiPcdGetBoolEx (\r | |
268 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 269 | IN UINTN ExTokenNumber\r |
878ddf1f | 270 | )\r |
271 | {\r | |
52e1905d | 272 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof (BOOLEAN)));\r |
878ddf1f | 273 | }\r |
274 | \r | |
275 | \r | |
276 | \r | |
277 | UINTN\r | |
278 | EFIAPI\r | |
279 | PeiPcdGetSizeEx (\r | |
280 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 281 | IN UINTN ExTokenNumber\r |
878ddf1f | 282 | )\r |
283 | {\r | |
9d6d8b24 | 284 | return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));\r |
878ddf1f | 285 | }\r |
286 | \r | |
287 | \r | |
288 | \r | |
289 | EFI_STATUS\r | |
290 | EFIAPI\r | |
291 | PeiPcdSet8 (\r | |
8a43e8dd | 292 | IN UINTN TokenNumber,\r |
1de04b4f | 293 | IN UINT8 Value\r |
878ddf1f | 294 | )\r |
295 | {\r | |
1de04b4f | 296 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 297 | }\r |
298 | \r | |
299 | \r | |
300 | \r | |
301 | EFI_STATUS\r | |
302 | EFIAPI\r | |
303 | PeiPcdSet16 (\r | |
1de04b4f | 304 | IN UINTN TokenNumber,\r |
305 | IN UINT16 Value\r | |
878ddf1f | 306 | )\r |
307 | {\r | |
1de04b4f | 308 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 309 | }\r |
310 | \r | |
311 | \r | |
312 | \r | |
313 | EFI_STATUS\r | |
314 | EFIAPI\r | |
315 | PeiPcdSet32 (\r | |
1de04b4f | 316 | IN UINTN TokenNumber,\r |
317 | IN UINT32 Value\r | |
878ddf1f | 318 | )\r |
319 | {\r | |
1de04b4f | 320 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 321 | }\r |
322 | \r | |
323 | \r | |
324 | \r | |
325 | EFI_STATUS\r | |
326 | EFIAPI\r | |
327 | PeiPcdSet64 (\r | |
1de04b4f | 328 | IN UINTN TokenNumber,\r |
329 | IN UINT64 Value\r | |
878ddf1f | 330 | )\r |
331 | {\r | |
1de04b4f | 332 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 333 | }\r |
334 | \r | |
335 | \r | |
336 | EFI_STATUS\r | |
337 | EFIAPI\r | |
338 | PeiPcdSetPtr (\r | |
1de04b4f | 339 | IN UINTN TokenNumber,\r |
340 | IN OUT UINTN *SizeOfBuffer,\r | |
341 | IN VOID *Buffer\r | |
878ddf1f | 342 | )\r |
343 | {\r | |
00b7af13 | 344 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r |
878ddf1f | 345 | }\r |
346 | \r | |
347 | \r | |
348 | \r | |
349 | EFI_STATUS\r | |
350 | EFIAPI\r | |
351 | PeiPcdSetBool (\r | |
1de04b4f | 352 | IN UINTN TokenNumber,\r |
353 | IN BOOLEAN Value\r | |
878ddf1f | 354 | )\r |
355 | {\r | |
1de04b4f | 356 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 357 | }\r |
358 | \r | |
359 | \r | |
360 | \r | |
361 | EFI_STATUS\r | |
362 | EFIAPI\r | |
363 | PeiPcdSet8Ex (\r | |
364 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 365 | IN UINTN ExTokenNumber,\r |
878ddf1f | 366 | IN UINT8 Value\r |
367 | )\r | |
368 | {\r | |
1de04b4f | 369 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 370 | }\r |
371 | \r | |
372 | \r | |
373 | \r | |
374 | EFI_STATUS\r | |
375 | EFIAPI\r | |
376 | PeiPcdSet16Ex (\r | |
377 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 378 | IN UINTN ExTokenNumber,\r |
878ddf1f | 379 | IN UINT16 Value\r |
380 | )\r | |
381 | {\r | |
1de04b4f | 382 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 383 | }\r |
384 | \r | |
385 | \r | |
386 | \r | |
387 | EFI_STATUS\r | |
388 | EFIAPI\r | |
389 | PeiPcdSet32Ex (\r | |
390 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 391 | IN UINTN ExTokenNumber,\r |
878ddf1f | 392 | IN UINT32 Value\r |
393 | )\r | |
394 | {\r | |
1de04b4f | 395 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 396 | }\r |
397 | \r | |
398 | \r | |
399 | \r | |
400 | EFI_STATUS\r | |
401 | EFIAPI\r | |
402 | PeiPcdSet64Ex (\r | |
403 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 404 | IN UINTN ExTokenNumber,\r |
878ddf1f | 405 | IN UINT64 Value\r |
406 | )\r | |
407 | {\r | |
1de04b4f | 408 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 409 | }\r |
410 | \r | |
411 | \r | |
412 | \r | |
413 | EFI_STATUS\r | |
414 | EFIAPI\r | |
415 | PeiPcdSetPtrEx (\r | |
416 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 417 | IN UINTN ExTokenNumber,\r |
1de04b4f | 418 | IN UINTN *SizeOfBuffer,\r |
00b7af13 | 419 | IN VOID *Value\r |
878ddf1f | 420 | )\r |
421 | {\r | |
1de04b4f | 422 | return ExSetWorker (ExTokenNumber, Guid, Value, SizeOfBuffer, TRUE);\r |
878ddf1f | 423 | }\r |
424 | \r | |
425 | \r | |
426 | \r | |
427 | EFI_STATUS\r | |
428 | EFIAPI\r | |
429 | PeiPcdSetBoolEx (\r | |
430 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 431 | IN UINTN ExTokenNumber,\r |
878ddf1f | 432 | IN BOOLEAN Value\r |
433 | )\r | |
434 | {\r | |
1de04b4f | 435 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 436 | }\r |
437 | \r | |
438 | \r | |
439 | \r | |
440 | \r | |
441 | EFI_STATUS\r | |
442 | EFIAPI\r | |
4c114006 | 443 | PeiRegisterCallBackOnSet (\r |
878ddf1f | 444 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
2a870f53 | 445 | IN UINTN ExTokenNumber,\r |
878ddf1f | 446 | IN PCD_PPI_CALLBACK CallBackFunction\r |
447 | )\r | |
448 | {\r | |
4c114006 | 449 | ASSERT (CallBackFunction != NULL);\r |
450 | \r | |
52e1905d | 451 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);\r |
878ddf1f | 452 | }\r |
453 | \r | |
454 | \r | |
455 | \r | |
456 | EFI_STATUS\r | |
457 | EFIAPI\r | |
458 | PcdUnRegisterCallBackOnSet (\r | |
878ddf1f | 459 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
2a870f53 | 460 | IN UINTN ExTokenNumber,\r |
878ddf1f | 461 | IN PCD_PPI_CALLBACK CallBackFunction\r |
462 | )\r | |
463 | {\r | |
4c114006 | 464 | ASSERT (CallBackFunction != NULL);\r |
465 | \r | |
52e1905d | 466 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);\r |
878ddf1f | 467 | }\r |
468 | \r | |
469 | \r | |
470 | \r | |
471 | EFI_STATUS\r | |
472 | EFIAPI\r | |
473 | PeiPcdGetNextToken (\r | |
474 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
8a43e8dd | 475 | IN OUT UINTN *TokenNumber\r |
878ddf1f | 476 | )\r |
477 | {\r | |
00b7af13 | 478 | UINTN GuidTableIdx;\r |
479 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
480 | EFI_GUID *MatchGuid;\r | |
481 | DYNAMICEX_MAPPING *ExMapTable;\r | |
482 | UINTN i;\r | |
483 | BOOLEAN Found;\r | |
484 | \r | |
4f914125 | 485 | if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {\r |
486 | return EFI_UNSUPPORTED;\r | |
487 | }\r | |
488 | \r | |
52e1905d | 489 | if (Guid == NULL) {\r |
2b21a971 | 490 | if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {\r |
491 | return EFI_NOT_FOUND;\r | |
492 | }\r | |
b560bb65 | 493 | (*TokenNumber)++;\r |
c24ba2f6 | 494 | if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {\r |
0653eb89 | 495 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
52e1905d | 496 | }\r |
c24ba2f6 | 497 | return EFI_SUCCESS;\r |
00b7af13 | 498 | } else {\r |
00b7af13 | 499 | if (PEI_EXMAP_TABLE_EMPTY) {\r |
0653eb89 | 500 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
c24ba2f6 | 501 | return EFI_SUCCESS;\r |
00b7af13 | 502 | }\r |
503 | \r | |
504 | //\r | |
505 | // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order\r | |
506 | // 1) ExGuid\r | |
507 | // 2) ExTokenNumber\r | |
508 | //\r | |
509 | PeiPcdDb = GetPcdDatabase ();\r | |
510 | \r | |
511 | MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);\r | |
512 | \r | |
513 | if (MatchGuid == NULL) {\r | |
c24ba2f6 | 514 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
00b7af13 | 515 | return EFI_NOT_FOUND;\r |
516 | }\r | |
517 | \r | |
518 | GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;\r | |
519 | \r | |
520 | ExMapTable = PeiPcdDb->Init.ExMapTable;\r | |
521 | \r | |
522 | Found = FALSE;\r | |
c24ba2f6 | 523 | //\r |
524 | // Locate the GUID in ExMapTable first.\r | |
525 | //\r | |
00b7af13 | 526 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r |
527 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r | |
528 | Found = TRUE;\r | |
529 | break;\r | |
530 | }\r | |
531 | }\r | |
532 | \r | |
533 | if (Found) {\r | |
534 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
535 | *TokenNumber = ExMapTable[i].ExTokenNumber;\r | |
536 | return EFI_SUCCESS;\r | |
537 | }\r | |
c24ba2f6 | 538 | \r |
539 | for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
00b7af13 | 540 | if (ExMapTable[i].ExTokenNumber == *TokenNumber) {\r |
541 | i++;\r | |
c24ba2f6 | 542 | if (i == PEI_EXMAPPING_TABLE_SIZE) {\r |
543 | //\r | |
544 | // Exceed the length of ExMap Table\r | |
545 | //\r | |
546 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
547 | return EFI_SUCCESS;\r | |
548 | }\r | |
00b7af13 | 549 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r |
550 | *TokenNumber = ExMapTable[i].ExTokenNumber;\r | |
551 | return EFI_SUCCESS;\r | |
552 | } else {\r | |
c24ba2f6 | 553 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
00b7af13 | 554 | return EFI_SUCCESS;\r |
555 | }\r | |
556 | }\r | |
557 | }\r | |
00b7af13 | 558 | return EFI_NOT_FOUND;\r |
559 | }\r | |
00b7af13 | 560 | }\r |
561 | \r | |
c24ba2f6 | 562 | return EFI_NOT_FOUND;\r |
00b7af13 | 563 | }\r |
564 | \r | |
1de04b4f | 565 | \r |
566 | \r | |
58f1099f | 567 | EFI_STATUS\r |
00b7af13 | 568 | EFIAPI\r |
4276d5da | 569 | PeiPcdGetNextTokenSpace (\r |
58f1099f | 570 | IN OUT CONST EFI_GUID **Guid\r |
00b7af13 | 571 | )\r |
572 | {\r | |
573 | UINTN GuidTableIdx;\r | |
574 | EFI_GUID *MatchGuid;\r | |
575 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
576 | DYNAMICEX_MAPPING *ExMapTable;\r | |
577 | UINTN i;\r | |
578 | BOOLEAN Found;\r | |
579 | \r | |
4f914125 | 580 | if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {\r |
581 | return EFI_UNSUPPORTED;\r | |
582 | }\r | |
583 | \r | |
4276d5da | 584 | ASSERT (Guid != NULL);\r |
585 | \r | |
586 | if (PEI_EXMAP_TABLE_EMPTY) {\r | |
587 | if (*Guid != NULL) {\r | |
588 | return EFI_NOT_FOUND;\r | |
58f1099f | 589 | } else {\r |
58f1099f | 590 | return EFI_SUCCESS;\r |
591 | }\r | |
4276d5da | 592 | }\r |
52e1905d | 593 | \r |
594 | //\r | |
00b7af13 | 595 | // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order\r |
596 | // 1) ExGuid\r | |
597 | // 2) ExTokenNumber\r | |
52e1905d | 598 | //\r |
00b7af13 | 599 | PeiPcdDb = GetPcdDatabase ();\r |
52e1905d | 600 | \r |
4276d5da | 601 | ExMapTable = PeiPcdDb->Init.ExMapTable;\r |
602 | \r | |
603 | if (*Guid == NULL) {\r | |
604 | //\r | |
605 | // return the first Token Space Guid.\r | |
606 | //\r | |
607 | *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[0].ExGuidIndex];\r | |
608 | return EFI_SUCCESS;\r | |
609 | }\r | |
610 | \r | |
58f1099f | 611 | MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), *Guid);\r |
00b7af13 | 612 | \r |
613 | if (MatchGuid == NULL) {\r | |
58f1099f | 614 | return EFI_NOT_FOUND;\r |
00b7af13 | 615 | }\r |
616 | \r | |
617 | GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;\r | |
878ddf1f | 618 | \r |
00b7af13 | 619 | Found = FALSE;\r |
620 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
621 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r | |
622 | Found = TRUE;\r | |
623 | break;\r | |
624 | }\r | |
625 | }\r | |
626 | \r | |
627 | if (Found) {\r | |
4276d5da | 628 | i++;\r |
00b7af13 | 629 | for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++ ) {\r |
630 | if (ExMapTable[i].ExGuidIndex != GuidTableIdx ) {\r | |
58f1099f | 631 | *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[i].ExGuidIndex];\r |
632 | return EFI_SUCCESS;\r | |
00b7af13 | 633 | }\r |
634 | }\r | |
4276d5da | 635 | *Guid = NULL;\r |
636 | return EFI_SUCCESS;\r | |
00b7af13 | 637 | }\r |
638 | \r | |
58f1099f | 639 | return EFI_NOT_FOUND;\r |
00b7af13 | 640 | \r |
641 | }\r | |
878ddf1f | 642 | \r |