80408db0 |
1 | /** @file PCD PEIM\r |
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 |
17 | //\r |
18 | // Include common header file for this module.\r |
19 | //\r |
20 | #include "CommonHeader.h"\r |
21 | \r |
22 | #include "Service.h"\r |
23 | \r |
24 | \r |
25 | PCD_PPI mPcdPpiInstance = {\r |
26 | PeiPcdSetSku,\r |
27 | \r |
28 | PeiPcdGet8,\r |
29 | PeiPcdGet16, \r |
30 | PeiPcdGet32, \r |
31 | PeiPcdGet64, \r |
32 | PeiPcdGetPtr, \r |
33 | PeiPcdGetBool, \r |
34 | PeiPcdGetSize,\r |
35 | \r |
36 | PeiPcdGet8Ex,\r |
37 | PeiPcdGet16Ex, \r |
38 | PeiPcdGet32Ex, \r |
39 | PeiPcdGet64Ex, \r |
40 | PeiPcdGetPtrEx, \r |
41 | PeiPcdGetBoolEx, \r |
42 | PeiPcdGetSizeEx,\r |
43 | \r |
44 | PeiPcdSet8,\r |
45 | PeiPcdSet16, \r |
46 | PeiPcdSet32, \r |
47 | PeiPcdSet64, \r |
48 | PeiPcdSetPtr, \r |
49 | PeiPcdSetBool, \r |
50 | \r |
51 | PeiPcdSet8Ex,\r |
52 | PeiPcdSet16Ex, \r |
53 | PeiPcdSet32Ex, \r |
54 | PeiPcdSet64Ex, \r |
55 | PeiPcdSetPtrEx, \r |
56 | PeiPcdSetBoolEx,\r |
57 | \r |
58 | PeiRegisterCallBackOnSet,\r |
59 | PcdUnRegisterCallBackOnSet,\r |
60 | PeiPcdGetNextToken,\r |
61 | PeiPcdGetNextTokenSpace\r |
62 | };\r |
63 | \r |
64 | \r |
65 | \r |
66 | STATIC EFI_PEI_PPI_DESCRIPTOR mPpiPCD = {\r |
67 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
68 | &gPcdPpiGuid,\r |
69 | &mPcdPpiInstance\r |
70 | };\r |
71 | \r |
72 | \r |
73 | \r |
74 | EFI_STATUS\r |
75 | EFIAPI\r |
76 | PcdPeimInit (\r |
77 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r |
78 | IN EFI_PEI_SERVICES **PeiServices\r |
79 | )\r |
80 | {\r |
81 | EFI_STATUS Status;\r |
82 | \r |
83 | BuildPcdDatabase ();\r |
84 | \r |
85 | Status = PeiServicesInstallPpi (&mPpiPCD);\r |
86 | \r |
87 | ASSERT_EFI_ERROR (Status);\r |
88 | \r |
89 | return EFI_SUCCESS;\r |
90 | }\r |
91 | \r |
92 | VOID\r |
93 | EFIAPI\r |
94 | PeiPcdSetSku (\r |
95 | IN UINTN SkuId\r |
96 | )\r |
97 | {\r |
98 | \r |
99 | GetPcdDatabase()->Init.SystemSkuId = (SKU_ID) SkuId;\r |
100 | \r |
101 | return;\r |
102 | }\r |
103 | \r |
104 | \r |
105 | \r |
106 | UINT8\r |
107 | EFIAPI\r |
108 | PeiPcdGet8 (\r |
109 | IN UINTN TokenNumber\r |
110 | )\r |
111 | {\r |
112 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r |
113 | }\r |
114 | \r |
115 | \r |
116 | \r |
117 | UINT16\r |
118 | EFIAPI\r |
119 | PeiPcdGet16 (\r |
120 | IN UINTN TokenNumber\r |
121 | )\r |
122 | {\r |
123 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r |
124 | }\r |
125 | \r |
126 | \r |
127 | \r |
128 | UINT32\r |
129 | EFIAPI\r |
130 | PeiPcdGet32 (\r |
131 | IN UINTN TokenNumber\r |
132 | )\r |
133 | {\r |
134 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r |
135 | }\r |
136 | \r |
137 | \r |
138 | \r |
139 | UINT64\r |
140 | EFIAPI\r |
141 | PeiPcdGet64 (\r |
142 | IN UINTN TokenNumber\r |
143 | )\r |
144 | {\r |
145 | return ReadUnaligned64 (GetWorker (TokenNumber, sizeof (UINT64)));\r |
146 | }\r |
147 | \r |
148 | \r |
149 | \r |
150 | VOID *\r |
151 | EFIAPI\r |
152 | PeiPcdGetPtr (\r |
153 | IN UINTN TokenNumber\r |
154 | )\r |
155 | {\r |
156 | return GetWorker (TokenNumber, 0);\r |
157 | }\r |
158 | \r |
159 | \r |
160 | \r |
161 | BOOLEAN\r |
162 | EFIAPI\r |
163 | PeiPcdGetBool (\r |
164 | IN UINTN TokenNumber\r |
165 | )\r |
166 | {\r |
167 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r |
168 | }\r |
169 | \r |
170 | \r |
171 | \r |
172 | UINTN\r |
173 | EFIAPI\r |
174 | PeiPcdGetSize (\r |
175 | IN UINTN TokenNumber\r |
176 | )\r |
177 | {\r |
178 | PEI_PCD_DATABASE *PeiPcdDb;\r |
179 | UINTN Size;\r |
180 | UINTN MaxSize;\r |
181 | \r |
182 | //\r |
183 | // If DebugAssertEnabled is TRUE, we still need to provide the GET size\r |
184 | // function as GetWorker and SetWoker need this function to do ASSERT.\r |
185 | //\r |
186 | if ((!FeaturePcdGet(PcdPeiPcdDatabaseGetSizeEnabled)) &&\r |
187 | (!DebugAssertEnabled ())) {\r |
188 | return 0;\r |
189 | }\r |
190 | \r |
191 | PeiPcdDb = GetPcdDatabase ();\r |
192 | //\r |
193 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r |
194 | // We have to decrement TokenNumber by 1 to make it usable\r |
195 | // as the array index.\r |
196 | //\r |
197 | TokenNumber--;\r |
198 | \r |
199 | // EBC compiler is very choosy. It may report warning about comparison\r |
200 | // between UINTN and 0 . So we add 1 in each size of the \r |
201 | // comparison.\r |
202 | ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r |
203 | \r |
204 | Size = (PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r |
205 | \r |
206 | if (Size == 0) {\r |
207 | //\r |
208 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r |
209 | //\r |
210 | return GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r |
211 | } else {\r |
212 | return Size;\r |
213 | }\r |
214 | \r |
215 | }\r |
216 | \r |
217 | \r |
218 | \r |
219 | UINT8\r |
220 | EFIAPI\r |
221 | PeiPcdGet8Ex (\r |
222 | IN CONST EFI_GUID *Guid,\r |
223 | IN UINTN ExTokenNumber\r |
224 | )\r |
225 | {\r |
226 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof (UINT8)));\r |
227 | }\r |
228 | \r |
229 | \r |
230 | \r |
231 | UINT16\r |
232 | EFIAPI\r |
233 | PeiPcdGet16Ex (\r |
234 | IN CONST EFI_GUID *Guid,\r |
235 | IN UINTN ExTokenNumber\r |
236 | )\r |
237 | {\r |
238 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT16)));\r |
239 | }\r |
240 | \r |
241 | \r |
242 | \r |
243 | UINT32\r |
244 | EFIAPI\r |
245 | PeiPcdGet32Ex (\r |
246 | IN CONST EFI_GUID *Guid,\r |
247 | IN UINTN ExTokenNumber\r |
248 | )\r |
249 | {\r |
250 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT32)));\r |
251 | }\r |
252 | \r |
253 | \r |
254 | \r |
255 | UINT64\r |
256 | EFIAPI\r |
257 | PeiPcdGet64Ex (\r |
258 | IN CONST EFI_GUID *Guid,\r |
259 | IN UINTN ExTokenNumber\r |
260 | )\r |
261 | {\r |
262 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT64)));\r |
263 | }\r |
264 | \r |
265 | \r |
266 | \r |
267 | VOID *\r |
268 | EFIAPI\r |
269 | PeiPcdGetPtrEx (\r |
270 | IN CONST EFI_GUID *Guid,\r |
271 | IN UINTN ExTokenNumber\r |
272 | )\r |
273 | {\r |
274 | return ExGetWorker (Guid, ExTokenNumber, 0);\r |
275 | }\r |
276 | \r |
277 | \r |
278 | \r |
279 | BOOLEAN\r |
280 | EFIAPI\r |
281 | PeiPcdGetBoolEx (\r |
282 | IN CONST EFI_GUID *Guid,\r |
283 | IN UINTN ExTokenNumber\r |
284 | )\r |
285 | {\r |
286 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof (BOOLEAN)));\r |
287 | }\r |
288 | \r |
289 | \r |
290 | \r |
291 | UINTN\r |
292 | EFIAPI\r |
293 | PeiPcdGetSizeEx (\r |
294 | IN CONST EFI_GUID *Guid,\r |
295 | IN UINTN ExTokenNumber\r |
296 | )\r |
297 | {\r |
298 | if ((!FeaturePcdGet (PcdPeiPcdDatabaseGetSizeEnabled)) || !FeaturePcdGet (PcdPeiPcdDatabaseExEnabled)) {\r |
299 | return 0;\r |
300 | }\r |
301 | \r |
302 | return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));\r |
303 | }\r |
304 | \r |
305 | \r |
306 | \r |
307 | EFI_STATUS\r |
308 | EFIAPI\r |
309 | PeiPcdSet8 (\r |
310 | IN UINTN TokenNumber,\r |
311 | IN UINT8 Value\r |
312 | )\r |
313 | {\r |
314 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
315 | }\r |
316 | \r |
317 | \r |
318 | \r |
319 | EFI_STATUS\r |
320 | EFIAPI\r |
321 | PeiPcdSet16 (\r |
322 | IN UINTN TokenNumber,\r |
323 | IN UINT16 Value\r |
324 | )\r |
325 | {\r |
326 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
327 | }\r |
328 | \r |
329 | \r |
330 | \r |
331 | EFI_STATUS\r |
332 | EFIAPI\r |
333 | PeiPcdSet32 (\r |
334 | IN UINTN TokenNumber,\r |
335 | IN UINT32 Value\r |
336 | )\r |
337 | {\r |
338 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
339 | }\r |
340 | \r |
341 | \r |
342 | \r |
343 | EFI_STATUS\r |
344 | EFIAPI\r |
345 | PeiPcdSet64 (\r |
346 | IN UINTN TokenNumber,\r |
347 | IN UINT64 Value\r |
348 | )\r |
349 | {\r |
350 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
351 | }\r |
352 | \r |
353 | \r |
354 | EFI_STATUS\r |
355 | EFIAPI\r |
356 | PeiPcdSetPtr (\r |
357 | IN UINTN TokenNumber,\r |
358 | IN OUT UINTN *SizeOfBuffer,\r |
359 | IN VOID *Buffer\r |
360 | )\r |
361 | {\r |
362 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r |
363 | }\r |
364 | \r |
365 | \r |
366 | \r |
367 | EFI_STATUS\r |
368 | EFIAPI\r |
369 | PeiPcdSetBool (\r |
370 | IN UINTN TokenNumber,\r |
371 | IN BOOLEAN Value\r |
372 | )\r |
373 | {\r |
374 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
375 | }\r |
376 | \r |
377 | \r |
378 | \r |
379 | EFI_STATUS\r |
380 | EFIAPI\r |
381 | PeiPcdSet8Ex (\r |
382 | IN CONST EFI_GUID *Guid,\r |
383 | IN UINTN ExTokenNumber,\r |
384 | IN UINT8 Value\r |
385 | )\r |
386 | {\r |
387 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
388 | }\r |
389 | \r |
390 | \r |
391 | \r |
392 | EFI_STATUS\r |
393 | EFIAPI\r |
394 | PeiPcdSet16Ex (\r |
395 | IN CONST EFI_GUID *Guid,\r |
396 | IN UINTN ExTokenNumber,\r |
397 | IN UINT16 Value\r |
398 | )\r |
399 | {\r |
400 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
401 | }\r |
402 | \r |
403 | \r |
404 | \r |
405 | EFI_STATUS\r |
406 | EFIAPI\r |
407 | PeiPcdSet32Ex (\r |
408 | IN CONST EFI_GUID *Guid,\r |
409 | IN UINTN ExTokenNumber,\r |
410 | IN UINT32 Value\r |
411 | )\r |
412 | {\r |
413 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
414 | }\r |
415 | \r |
416 | \r |
417 | \r |
418 | EFI_STATUS\r |
419 | EFIAPI\r |
420 | PeiPcdSet64Ex (\r |
421 | IN CONST EFI_GUID *Guid,\r |
422 | IN UINTN ExTokenNumber,\r |
423 | IN UINT64 Value\r |
424 | )\r |
425 | {\r |
426 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
427 | }\r |
428 | \r |
429 | \r |
430 | \r |
431 | EFI_STATUS\r |
432 | EFIAPI\r |
433 | PeiPcdSetPtrEx (\r |
434 | IN CONST EFI_GUID *Guid,\r |
435 | IN UINTN ExTokenNumber,\r |
436 | IN UINTN *SizeOfBuffer,\r |
437 | IN VOID *Value\r |
438 | )\r |
439 | {\r |
440 | return ExSetWorker (ExTokenNumber, Guid, Value, SizeOfBuffer, TRUE);\r |
441 | }\r |
442 | \r |
443 | \r |
444 | \r |
445 | EFI_STATUS\r |
446 | EFIAPI\r |
447 | PeiPcdSetBoolEx (\r |
448 | IN CONST EFI_GUID *Guid,\r |
449 | IN UINTN ExTokenNumber,\r |
450 | IN BOOLEAN Value\r |
451 | )\r |
452 | {\r |
453 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
454 | }\r |
455 | \r |
456 | \r |
457 | \r |
458 | \r |
459 | EFI_STATUS\r |
460 | EFIAPI\r |
461 | PeiRegisterCallBackOnSet (\r |
462 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
463 | IN UINTN ExTokenNumber,\r |
464 | IN PCD_PPI_CALLBACK CallBackFunction\r |
465 | )\r |
466 | {\r |
467 | if (!FeaturePcdGet(PcdPeiPcdDatabaseCallbackOnSetEnabled)) {\r |
468 | return EFI_UNSUPPORTED;\r |
469 | }\r |
470 | \r |
471 | ASSERT (CallBackFunction != NULL);\r |
472 | \r |
473 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);\r |
474 | }\r |
475 | \r |
476 | \r |
477 | \r |
478 | EFI_STATUS\r |
479 | EFIAPI\r |
480 | PcdUnRegisterCallBackOnSet (\r |
481 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
482 | IN UINTN ExTokenNumber,\r |
483 | IN PCD_PPI_CALLBACK CallBackFunction\r |
484 | )\r |
485 | {\r |
486 | if (!FeaturePcdGet(PcdPeiPcdDatabaseCallbackOnSetEnabled)) {\r |
487 | return EFI_UNSUPPORTED;\r |
488 | }\r |
489 | \r |
490 | ASSERT (CallBackFunction != NULL);\r |
491 | \r |
492 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);\r |
493 | }\r |
494 | \r |
495 | \r |
496 | \r |
497 | EFI_STATUS\r |
498 | EFIAPI\r |
499 | PeiPcdGetNextToken (\r |
500 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
501 | IN OUT UINTN *TokenNumber\r |
502 | )\r |
503 | {\r |
504 | UINTN GuidTableIdx;\r |
505 | PEI_PCD_DATABASE *PeiPcdDb;\r |
506 | EFI_GUID *MatchGuid;\r |
507 | DYNAMICEX_MAPPING *ExMapTable;\r |
508 | UINTN i;\r |
509 | BOOLEAN Found;\r |
510 | BOOLEAN PeiExMapTableEmpty;\r |
511 | \r |
512 | if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {\r |
513 | return EFI_UNSUPPORTED;\r |
514 | }\r |
515 | \r |
516 | PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;\r |
517 | \r |
518 | if (Guid == NULL) {\r |
519 | if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {\r |
520 | return EFI_NOT_FOUND;\r |
521 | }\r |
522 | (*TokenNumber)++;\r |
523 | if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {\r |
524 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
525 | }\r |
526 | return EFI_SUCCESS;\r |
527 | } else {\r |
528 | if (PeiExMapTableEmpty) {\r |
529 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
530 | return EFI_SUCCESS;\r |
531 | }\r |
532 | \r |
533 | //\r |
534 | // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order\r |
535 | // 1) ExGuid\r |
536 | // 2) ExTokenNumber\r |
537 | //\r |
538 | PeiPcdDb = GetPcdDatabase ();\r |
539 | \r |
540 | MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);\r |
541 | \r |
542 | if (MatchGuid == NULL) {\r |
543 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
544 | return EFI_NOT_FOUND;\r |
545 | }\r |
546 | \r |
547 | GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;\r |
548 | \r |
549 | ExMapTable = PeiPcdDb->Init.ExMapTable;\r |
550 | \r |
551 | Found = FALSE;\r |
552 | //\r |
553 | // Locate the GUID in ExMapTable first.\r |
554 | //\r |
555 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r |
556 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r |
557 | Found = TRUE;\r |
558 | break;\r |
559 | }\r |
560 | }\r |
561 | \r |
562 | if (Found) {\r |
563 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
564 | *TokenNumber = ExMapTable[i].ExTokenNumber;\r |
565 | return EFI_SUCCESS;\r |
566 | }\r |
567 | \r |
568 | for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r |
569 | if (ExMapTable[i].ExTokenNumber == *TokenNumber) {\r |
570 | i++;\r |
571 | if (i == PEI_EXMAPPING_TABLE_SIZE) {\r |
572 | //\r |
573 | // Exceed the length of ExMap Table\r |
574 | //\r |
575 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
576 | return EFI_SUCCESS;\r |
577 | }\r |
578 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r |
579 | *TokenNumber = ExMapTable[i].ExTokenNumber;\r |
580 | return EFI_SUCCESS;\r |
581 | } else {\r |
582 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
583 | return EFI_SUCCESS;\r |
584 | }\r |
585 | }\r |
586 | }\r |
587 | return EFI_NOT_FOUND;\r |
588 | }\r |
589 | }\r |
590 | \r |
591 | return EFI_NOT_FOUND;\r |
592 | }\r |
593 | \r |
594 | \r |
595 | \r |
596 | EFI_STATUS\r |
597 | EFIAPI\r |
598 | PeiPcdGetNextTokenSpace (\r |
599 | IN OUT CONST EFI_GUID **Guid\r |
600 | )\r |
601 | {\r |
602 | UINTN GuidTableIdx;\r |
603 | EFI_GUID *MatchGuid;\r |
604 | PEI_PCD_DATABASE *PeiPcdDb;\r |
605 | DYNAMICEX_MAPPING *ExMapTable;\r |
606 | UINTN i;\r |
607 | BOOLEAN Found;\r |
608 | BOOLEAN PeiExMapTableEmpty;\r |
609 | \r |
610 | if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {\r |
611 | return EFI_UNSUPPORTED;\r |
612 | }\r |
613 | \r |
614 | ASSERT (Guid != NULL);\r |
615 | \r |
616 | PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;\r |
617 | \r |
618 | if (PeiExMapTableEmpty) {\r |
619 | if (*Guid != NULL) {\r |
620 | return EFI_NOT_FOUND;\r |
621 | } else {\r |
622 | return EFI_SUCCESS;\r |
623 | }\r |
624 | }\r |
625 | \r |
626 | //\r |
627 | // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order\r |
628 | // 1) ExGuid\r |
629 | // 2) ExTokenNumber\r |
630 | //\r |
631 | PeiPcdDb = GetPcdDatabase ();\r |
632 | \r |
633 | ExMapTable = PeiPcdDb->Init.ExMapTable;\r |
634 | \r |
635 | if (*Guid == NULL) {\r |
636 | //\r |
637 | // return the first Token Space Guid.\r |
638 | //\r |
639 | *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[0].ExGuidIndex];\r |
640 | return EFI_SUCCESS;\r |
641 | }\r |
642 | \r |
643 | MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), *Guid);\r |
644 | \r |
645 | if (MatchGuid == NULL) {\r |
646 | return EFI_NOT_FOUND;\r |
647 | }\r |
648 | \r |
649 | GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;\r |
650 | \r |
651 | Found = FALSE;\r |
652 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r |
653 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r |
654 | Found = TRUE;\r |
655 | break;\r |
656 | }\r |
657 | }\r |
658 | \r |
659 | if (Found) {\r |
660 | i++;\r |
661 | for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++ ) {\r |
662 | if (ExMapTable[i].ExGuidIndex != GuidTableIdx ) {\r |
663 | *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[i].ExGuidIndex];\r |
664 | return EFI_SUCCESS;\r |
665 | }\r |
666 | }\r |
667 | *Guid = NULL;\r |
668 | return EFI_SUCCESS;\r |
669 | }\r |
670 | \r |
671 | return EFI_NOT_FOUND;\r |
672 | \r |
673 | }\r |
674 | \r |
675 | UINTN\r |
676 | GetPtrTypeSize (\r |
677 | IN UINTN LocalTokenNumberTableIdx,\r |
678 | OUT UINTN *MaxSize,\r |
679 | IN PEI_PCD_DATABASE *Database\r |
680 | )\r |
681 | {\r |
682 | INTN SizeTableIdx;\r |
683 | UINTN LocalTokenNumber;\r |
684 | SKU_ID *SkuIdTable;\r |
685 | SIZE_INFO *SizeTable;\r |
686 | UINTN i;\r |
687 | \r |
688 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r |
689 | \r |
690 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r |
691 | \r |
692 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r |
693 | \r |
694 | SizeTable = Database->Init.SizeTable;\r |
695 | \r |
696 | *MaxSize = SizeTable[SizeTableIdx];\r |
697 | //\r |
698 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r |
699 | // PCD entry.\r |
700 | //\r |
701 | if (LocalTokenNumber & PCD_TYPE_VPD) {\r |
702 | //\r |
703 | // We have only one entry for VPD enabled PCD entry:\r |
704 | // 1) MAX Size.\r |
705 | // We consider current size is equal to MAX size.\r |
706 | //\r |
707 | return *MaxSize;\r |
708 | } else {\r |
709 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r |
710 | //\r |
711 | // We have only two entry for Non-Sku enabled PCD entry:\r |
712 | // 1) MAX SIZE\r |
713 | // 2) Current Size\r |
714 | //\r |
715 | return SizeTable[SizeTableIdx + 1];\r |
716 | } else {\r |
717 | //\r |
718 | // We have these entry for SKU enabled PCD entry\r |
719 | // 1) MAX SIZE\r |
720 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r |
721 | //\r |
722 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r |
723 | for (i = 0; i < SkuIdTable[0]; i++) {\r |
724 | if (SkuIdTable[1 + i] == Database->Init.SystemSkuId) {\r |
725 | return SizeTable[SizeTableIdx + 1 + i];\r |
726 | }\r |
727 | }\r |
728 | return SizeTable[SizeTableIdx + 1];\r |
729 | }\r |
730 | }\r |
731 | }\r |
732 | \r |
733 | \r |
734 | \r |
735 | BOOLEAN\r |
736 | SetPtrTypeSize (\r |
737 | IN UINTN LocalTokenNumberTableIdx,\r |
738 | IN OUT UINTN *CurrentSize,\r |
739 | IN PEI_PCD_DATABASE *Database\r |
740 | )\r |
741 | {\r |
742 | INTN SizeTableIdx;\r |
743 | UINTN LocalTokenNumber;\r |
744 | SKU_ID *SkuIdTable;\r |
745 | SIZE_INFO *SizeTable;\r |
746 | UINTN i;\r |
747 | UINTN MaxSize;\r |
748 | \r |
749 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r |
750 | \r |
751 | LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];\r |
752 | \r |
753 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r |
754 | \r |
755 | SizeTable = Database->Init.SizeTable;\r |
756 | \r |
757 | MaxSize = SizeTable[SizeTableIdx];\r |
758 | //\r |
759 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r |
760 | // PCD entry.\r |
761 | //\r |
762 | if (LocalTokenNumber & PCD_TYPE_VPD) {\r |
763 | //\r |
764 | // We shouldn't come here as we don't support SET for VPD\r |
765 | //\r |
766 | ASSERT (FALSE);\r |
767 | return FALSE;\r |
768 | } else {\r |
769 | if ((*CurrentSize > MaxSize) ||\r |
770 | (*CurrentSize == MAX_ADDRESS)) {\r |
771 | *CurrentSize = MaxSize;\r |
772 | return FALSE;\r |
773 | } \r |
774 | \r |
775 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r |
776 | //\r |
777 | // We have only two entry for Non-Sku enabled PCD entry:\r |
778 | // 1) MAX SIZE\r |
779 | // 2) Current Size\r |
780 | //\r |
781 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r |
782 | return TRUE;\r |
783 | } else {\r |
784 | //\r |
785 | // We have these entry for SKU enabled PCD entry\r |
786 | // 1) MAX SIZE\r |
787 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r |
788 | //\r |
789 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r |
790 | for (i = 0; i < SkuIdTable[0]; i++) {\r |
791 | if (SkuIdTable[1 + i] == Database->Init.SystemSkuId) {\r |
792 | SizeTable[SizeTableIdx + 1 + i] = (SIZE_INFO) *CurrentSize;\r |
793 | return TRUE;\r |
794 | }\r |
795 | }\r |
796 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r |
797 | return TRUE;\r |
798 | }\r |
799 | }\r |
800 | \r |
801 | }\r |