878ddf1f |
1 | /*++\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 | Module Name:\r |
13 | PcdEmulator.c\r |
14 | \r |
15 | Abstract:\r |
16 | Platform Configuration Database (PCD) Service PEIM\r |
17 | \r |
18 | --*/\r |
19 | \r |
20 | #include <PcdEmulator.h>\r |
21 | \r |
22 | //\r |
23 | // BugBug: PEI early phase does not support global variable!!!\r |
24 | // This is only a temperary solution.\r |
25 | //\r |
26 | \r |
27 | UINTN mSkuId = 0;\r |
28 | \r |
29 | \r |
30 | STATIC EMULATED_PCD_DATABASE_EX *\r |
31 | GetPcdDataBaseEx (\r |
32 | VOID\r |
33 | ) {\r |
34 | EFI_HOB_GUID_TYPE *GuidHob;\r |
35 | EMULATED_PCD_DATABASE_EX *EmulatedPcdDatabaseEx;\r |
36 | \r |
37 | GuidHob = GetFirstGuidHob (&gPcdHobGuid);\r |
38 | EmulatedPcdDatabaseEx = (EMULATED_PCD_DATABASE_EX *) GET_GUID_HOB_DATA(GuidHob);\r |
39 | \r |
40 | return EmulatedPcdDatabaseEx;\r |
41 | }\r |
42 | \r |
43 | STATIC UINTN \r |
44 | GetPcdDataBaseExEntryCount (\r |
45 | EMULATED_PCD_DATABASE_EX * Database\r |
46 | ) {\r |
47 | return Database->Count;\r |
48 | }\r |
49 | \r |
50 | STATIC UINTN \r |
51 | GetPcdDataBaseExSize (\r |
52 | EMULATED_PCD_DATABASE_EX * Database\r |
53 | ) {\r |
54 | UINTN Size;\r |
55 | \r |
56 | Size = sizeof (Database->Count)\r |
57 | + (sizeof (Database->Entry[0]) * Database->Count);\r |
58 | \r |
59 | return Size;\r |
60 | }\r |
61 | \r |
62 | EFI_STATUS\r |
63 | EFIAPI\r |
64 | PcdEmulatorSetSku (\r |
65 | IN UINTN SkuId\r |
66 | )\r |
67 | {\r |
68 | mSkuId = SkuId;\r |
69 | return EFI_SUCCESS;\r |
70 | }\r |
71 | \r |
72 | UINT8\r |
73 | EFIAPI\r |
74 | PcdEmulatorGet8 (\r |
75 | IN UINTN TokenNumber\r |
76 | )\r |
77 | {\r |
78 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
79 | \r |
80 | Pcd = GetPcdEntry (TokenNumber);\r |
81 | ASSERT (Pcd != NULL);\r |
82 | ASSERT (Pcd->DatumSize == 1);\r |
83 | \r |
84 | return (UINT8)Pcd->Datum;\r |
85 | }\r |
86 | \r |
87 | UINT16\r |
88 | EFIAPI\r |
89 | PcdEmulatorGet16 (\r |
90 | IN UINTN TokenNumber\r |
91 | )\r |
92 | {\r |
93 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
94 | \r |
95 | Pcd = GetPcdEntry (TokenNumber);\r |
96 | ASSERT (Pcd != NULL);\r |
97 | ASSERT (Pcd->DatumSize == 2);\r |
98 | \r |
99 | return (UINT16)Pcd->Datum;\r |
100 | }\r |
101 | \r |
102 | UINT32\r |
103 | EFIAPI\r |
104 | PcdEmulatorGet32 (\r |
105 | IN UINTN TokenNumber\r |
106 | )\r |
107 | {\r |
108 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
109 | \r |
110 | Pcd = GetPcdEntry (TokenNumber);\r |
111 | ASSERT (Pcd != NULL);\r |
112 | ASSERT (Pcd->DatumSize == 4);\r |
113 | \r |
114 | return (UINT32)Pcd->Datum;\r |
115 | }\r |
116 | \r |
117 | UINT64\r |
118 | EFIAPI\r |
119 | PcdEmulatorGet64 (\r |
120 | IN UINTN TokenNumber\r |
121 | )\r |
122 | {\r |
123 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
124 | \r |
125 | Pcd = GetPcdEntry (TokenNumber);\r |
126 | ASSERT (Pcd != NULL);\r |
127 | ASSERT (Pcd->DatumSize == sizeof (UINT64));\r |
128 | \r |
129 | return (UINT64)Pcd->Datum;\r |
130 | }\r |
131 | \r |
132 | VOID *\r |
133 | EFIAPI\r |
134 | PcdEmulatorGetPtr (\r |
135 | IN UINTN TokenNumber\r |
136 | )\r |
137 | {\r |
138 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
139 | \r |
140 | Pcd = GetPcdEntry (TokenNumber);\r |
141 | ASSERT (Pcd != NULL);\r |
142 | \r |
143 | return (VOID *)(UINTN)Pcd->ExtendedData;\r |
144 | }\r |
145 | \r |
146 | BOOLEAN\r |
147 | EFIAPI\r |
148 | PcdEmulatorGetBoolean (\r |
149 | IN UINTN TokenNumber\r |
150 | )\r |
151 | {\r |
152 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
153 | \r |
154 | Pcd = GetPcdEntry (TokenNumber);\r |
155 | ASSERT (Pcd != NULL);\r |
156 | ASSERT (Pcd->DatumSize == 1);\r |
157 | \r |
158 | return (BOOLEAN)Pcd->Datum;\r |
159 | }\r |
160 | \r |
161 | UINTN\r |
162 | EFIAPI\r |
163 | PcdEmulatorGetSize (\r |
164 | IN UINTN TokenNumber\r |
165 | )\r |
166 | {\r |
167 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
168 | \r |
169 | Pcd = GetPcdEntry (TokenNumber);\r |
170 | ASSERT (Pcd != NULL);\r |
171 | return Pcd->DatumSize;\r |
172 | }\r |
173 | \r |
174 | UINT8\r |
175 | EFIAPI\r |
176 | PcdEmulatorGet8Ex (\r |
177 | IN CONST EFI_GUID *PcdDataBaseName,\r |
178 | IN UINTN TokenNumber\r |
179 | )\r |
180 | {\r |
181 | ASSERT (FALSE);\r |
182 | return 0;\r |
183 | }\r |
184 | \r |
185 | UINT16\r |
186 | EFIAPI\r |
187 | PcdEmulatorGet16Ex (\r |
188 | IN CONST EFI_GUID *PcdDataBaseName,\r |
189 | IN UINTN TokenNumber\r |
190 | )\r |
191 | {\r |
192 | ASSERT (FALSE);\r |
193 | return 0;\r |
194 | }\r |
195 | \r |
196 | UINT32\r |
197 | EFIAPI\r |
198 | PcdEmulatorGet32Ex (\r |
199 | IN CONST EFI_GUID *PcdDataBaseName,\r |
200 | IN UINTN TokenNumber\r |
201 | )\r |
202 | {\r |
203 | ASSERT (FALSE);\r |
204 | return 0;\r |
205 | }\r |
206 | \r |
207 | UINT64\r |
208 | EFIAPI\r |
209 | PcdEmulatorGet64Ex (\r |
210 | IN CONST EFI_GUID *PcdDataBaseName,\r |
211 | IN UINTN TokenNumber\r |
212 | )\r |
213 | {\r |
214 | ASSERT (FALSE);\r |
215 | return 0;\r |
216 | }\r |
217 | \r |
218 | VOID *\r |
219 | EFIAPI\r |
220 | PcdEmulatorGetPtrEx (\r |
221 | IN CONST EFI_GUID *PcdDataBaseName,\r |
222 | IN UINTN TokenNumber\r |
223 | )\r |
224 | {\r |
225 | ASSERT (FALSE);\r |
226 | return 0;\r |
227 | }\r |
228 | \r |
229 | BOOLEAN\r |
230 | EFIAPI\r |
231 | PcdEmulatorGetBooleanEx (\r |
232 | IN CONST EFI_GUID *PcdDataBaseName,\r |
233 | IN UINTN TokenNumber\r |
234 | )\r |
235 | {\r |
236 | ASSERT (FALSE);\r |
237 | return 0;\r |
238 | }\r |
239 | \r |
240 | UINTN\r |
241 | EFIAPI\r |
242 | PcdEmulatorGetSizeEx (\r |
243 | IN CONST EFI_GUID *PcdDataBaseName,\r |
244 | IN UINTN TokenNumber\r |
245 | )\r |
246 | {\r |
247 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
248 | \r |
249 | Pcd = GetPcdEntry (TokenNumber);\r |
250 | ASSERT (Pcd != NULL);\r |
251 | return Pcd->DatumSize;\r |
252 | }\r |
253 | \r |
254 | \r |
255 | EFI_STATUS\r |
256 | EFIAPI\r |
257 | PcdEmulatorSet8 (\r |
258 | IN UINTN TokenNumber,\r |
259 | IN UINT8 Value\r |
260 | )\r |
261 | { \r |
262 | \r |
263 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
264 | \r |
265 | Pcd = GetPcdEntry (TokenNumber);\r |
266 | ASSERT (Pcd != NULL);\r |
267 | \r |
268 | ASSERT (Pcd->DatumSize == sizeof (UINT8));\r |
269 | \r |
270 | Pcd->Datum = Value;\r |
271 | \r |
272 | return EFI_SUCCESS;\r |
273 | }\r |
274 | \r |
275 | EFI_STATUS\r |
276 | EFIAPI\r |
277 | PcdEmulatorSet16 (\r |
278 | IN UINTN TokenNumber,\r |
279 | IN UINT16 Value\r |
280 | )\r |
281 | { \r |
282 | \r |
283 | ASSERT (FALSE);\r |
284 | \r |
285 | return EFI_SUCCESS;\r |
286 | }\r |
287 | \r |
288 | EFI_STATUS\r |
289 | EFIAPI\r |
290 | PcdEmulatorSet32 (\r |
291 | IN UINTN TokenNumber,\r |
292 | IN UINT32 Value\r |
293 | )\r |
294 | { \r |
295 | \r |
296 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
297 | \r |
298 | Pcd = GetPcdEntry (TokenNumber);\r |
299 | ASSERT (Pcd != NULL);\r |
300 | \r |
301 | ASSERT (Pcd->DatumSize == sizeof (UINT32));\r |
302 | \r |
303 | Pcd->Datum = Value;\r |
304 | \r |
305 | return EFI_SUCCESS;\r |
306 | }\r |
307 | \r |
308 | EFI_STATUS\r |
309 | EFIAPI\r |
310 | PcdEmulatorSet64 (\r |
311 | IN UINTN TokenNumber,\r |
312 | IN UINT64 Value\r |
313 | )\r |
314 | { \r |
315 | \r |
316 | ASSERT (FALSE);\r |
317 | \r |
318 | return EFI_SUCCESS;\r |
319 | }\r |
320 | \r |
321 | EFI_STATUS\r |
322 | EFIAPI\r |
323 | PcdEmulatorSetPtr (\r |
324 | IN UINTN TokenNumber,\r |
325 | IN CONST VOID *Value\r |
326 | )\r |
327 | { \r |
328 | \r |
329 | ASSERT (FALSE);\r |
330 | \r |
331 | return EFI_SUCCESS;\r |
332 | }\r |
333 | \r |
334 | EFI_STATUS\r |
335 | EFIAPI\r |
336 | PcdEmulatorSetBoolean (\r |
337 | IN UINTN TokenNumber,\r |
338 | IN BOOLEAN Value\r |
339 | )\r |
340 | { \r |
341 | \r |
342 | ASSERT (FALSE);\r |
343 | \r |
344 | return EFI_SUCCESS;\r |
345 | }\r |
346 | \r |
347 | EFI_STATUS\r |
348 | EFIAPI\r |
349 | PcdEmulatorSet8Ex (\r |
350 | IN CONST EFI_GUID *Guid,\r |
351 | IN UINTN TokenNumber,\r |
352 | IN UINT8 Value\r |
353 | )\r |
354 | { \r |
355 | \r |
356 | ASSERT (FALSE);\r |
357 | \r |
358 | return EFI_SUCCESS;\r |
359 | }\r |
360 | \r |
361 | EFI_STATUS\r |
362 | EFIAPI\r |
363 | PcdEmulatorSet16Ex (\r |
364 | IN CONST EFI_GUID *Guid,\r |
365 | IN UINTN TokenNumber,\r |
366 | IN UINT16 Value\r |
367 | )\r |
368 | { \r |
369 | \r |
370 | ASSERT (FALSE);\r |
371 | \r |
372 | return EFI_SUCCESS;\r |
373 | }\r |
374 | \r |
375 | EFI_STATUS\r |
376 | EFIAPI\r |
377 | PcdEmulatorSet32Ex (\r |
378 | IN CONST EFI_GUID *Guid,\r |
379 | IN UINTN TokenNumber,\r |
380 | IN UINT32 Value\r |
381 | )\r |
382 | { \r |
383 | \r |
384 | ASSERT (FALSE);\r |
385 | \r |
386 | return EFI_SUCCESS;\r |
387 | }\r |
388 | \r |
389 | EFI_STATUS\r |
390 | EFIAPI\r |
391 | PcdEmulatorSet64Ex (\r |
392 | IN CONST EFI_GUID *Guid,\r |
393 | IN UINTN TokenNumber,\r |
394 | IN UINT64 Value\r |
395 | )\r |
396 | { \r |
397 | \r |
398 | ASSERT (FALSE);\r |
399 | \r |
400 | return EFI_SUCCESS;\r |
401 | }\r |
402 | \r |
403 | EFI_STATUS\r |
404 | EFIAPI\r |
405 | PcdEmulatorSetPtrEx (\r |
406 | IN CONST EFI_GUID *Guid,\r |
407 | IN UINTN TokenNumber,\r |
408 | IN CONST VOID *Value\r |
409 | )\r |
410 | { \r |
411 | \r |
412 | ASSERT (FALSE);\r |
413 | \r |
414 | return EFI_SUCCESS;\r |
415 | }\r |
416 | \r |
417 | EFI_STATUS\r |
418 | EFIAPI\r |
419 | PcdEmulatorSetBooleanEx (\r |
420 | IN CONST EFI_GUID *Guid,\r |
421 | IN UINTN TokenNumber,\r |
422 | IN BOOLEAN Value\r |
423 | )\r |
424 | { \r |
425 | \r |
426 | ASSERT (FALSE);\r |
427 | \r |
428 | return EFI_SUCCESS;\r |
429 | }\r |
430 | \r |
431 | EFI_STATUS\r |
432 | EFIAPI\r |
433 | PcdEmulatorCallBackOnSet (\r |
434 | IN UINTN TokenNumber,\r |
435 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
436 | IN PCD_PPI_CALLBACK CallBackFunction\r |
437 | )\r |
438 | {\r |
439 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
440 | \r |
441 | Pcd = GetPcdEntry (TokenNumber);\r |
442 | ASSERT (Pcd != NULL);\r |
443 | \r |
444 | if (Pcd->CallBackListSize == Pcd->CallBackEntries) {\r |
445 | return EFI_OUT_OF_RESOURCES;\r |
446 | }\r |
447 | \r |
448 | Pcd->CallBackList[Pcd->CallBackEntries++] = CallBackFunction;\r |
449 | \r |
450 | return EFI_SUCCESS;\r |
451 | }\r |
452 | \r |
453 | EFI_STATUS\r |
454 | EFIAPI\r |
455 | PcdEmulatorUnregisterCallBackOnSet (\r |
456 | IN UINTN TokenNumber,\r |
457 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
458 | IN PCD_PPI_CALLBACK CallBackfunction\r |
459 | )\r |
460 | {\r |
461 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
462 | UINT32 Index;\r |
463 | \r |
464 | Pcd = GetPcdEntry (TokenNumber);\r |
465 | ASSERT (Pcd != NULL);\r |
466 | \r |
467 | for (Index = 0; Index < Pcd->CallBackListSize; Index++) {\r |
468 | if (Pcd->CallBackList[Index] == CallBackfunction) {\r |
469 | Pcd->CallBackList[Index] = NULL;\r |
470 | return EFI_SUCCESS;\r |
471 | }\r |
472 | }\r |
473 | \r |
474 | return EFI_NOT_FOUND;\r |
475 | }\r |
476 | \r |
477 | EFI_STATUS\r |
478 | EFIAPI\r |
479 | PcdEmulatorGetNextToken (\r |
480 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
481 | IN UINTN *Token\r |
482 | )\r |
483 | {\r |
484 | EMULATED_PCD_ENTRY_EX *Pcd;\r |
485 | EMULATED_PCD_ENTRY_EX *LastPcdEntry;\r |
486 | EMULATED_PCD_DATABASE_EX *PcdDatabase;\r |
487 | EMULATED_PCD_ENTRY_EX *PcdEntry;\r |
488 | \r |
489 | PcdDatabase = GetPcdDataBaseEx (); \r |
490 | PcdEntry = PcdDatabase->Entry;\r |
491 | \r |
492 | if (*Token == PCD_INVALID_TOKEN) {\r |
493 | //\r |
494 | // BugBug: Due to variable size array, ensure we convert this to a reasonable database\r |
495 | // that can accomodate array references for simplicity's sake\r |
496 | *Token = PcdEntry[0].Token;\r |
497 | return EFI_SUCCESS;\r |
498 | }\r |
499 | \r |
500 | Pcd = GetPcdEntry (*Token);\r |
501 | if (Pcd == NULL) {\r |
502 | return EFI_NOT_FOUND;\r |
503 | }\r |
504 | \r |
505 | LastPcdEntry = PcdEntry + GetPcdDataBaseExEntryCount (PcdDatabase);\r |
506 | if (++Pcd >= LastPcdEntry) {\r |
507 | return EFI_NOT_FOUND;\r |
508 | }\r |
509 | \r |
510 | *Token = Pcd->Token;\r |
511 | return EFI_SUCCESS;\r |
512 | }\r |
513 | \r |
514 | PCD_PPI mPcdPpiInstance = {\r |
515 | PcdEmulatorSetSku,\r |
516 | \r |
517 | PcdEmulatorGet8,\r |
518 | PcdEmulatorGet16, \r |
519 | PcdEmulatorGet32, \r |
520 | PcdEmulatorGet64, \r |
521 | PcdEmulatorGetPtr, \r |
522 | PcdEmulatorGetBoolean, \r |
523 | PcdEmulatorGetSize,\r |
524 | \r |
525 | PcdEmulatorGet8Ex,\r |
526 | PcdEmulatorGet16Ex, \r |
527 | PcdEmulatorGet32Ex, \r |
528 | PcdEmulatorGet64Ex, \r |
529 | PcdEmulatorGetPtrEx, \r |
530 | PcdEmulatorGetBooleanEx, \r |
531 | PcdEmulatorGetSizeEx,\r |
532 | \r |
533 | PcdEmulatorSet8,\r |
534 | PcdEmulatorSet16, \r |
535 | PcdEmulatorSet32, \r |
536 | PcdEmulatorSet64, \r |
537 | PcdEmulatorSetPtr, \r |
538 | PcdEmulatorSetBoolean, \r |
539 | \r |
540 | PcdEmulatorSet8Ex,\r |
541 | PcdEmulatorSet16Ex, \r |
542 | PcdEmulatorSet32Ex, \r |
543 | PcdEmulatorSet64Ex, \r |
544 | PcdEmulatorSetPtrEx, \r |
545 | PcdEmulatorSetBooleanEx, \r |
546 | \r |
547 | PcdEmulatorCallBackOnSet,\r |
548 | PcdEmulatorUnregisterCallBackOnSet,\r |
549 | PcdEmulatorGetNextToken\r |
550 | };\r |
551 | \r |
552 | STATIC EFI_PEI_PPI_DESCRIPTOR mPpiPCD = {\r |
553 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
554 | &gPcdPpiGuid,\r |
555 | &mPcdPpiInstance\r |
556 | };\r |
557 | \r |
558 | EFI_STATUS\r |
559 | EFIAPI\r |
560 | PeimPcdEmulatorEntry (\r |
561 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r |
562 | IN EFI_PEI_SERVICES **PeiServices\r |
563 | )\r |
564 | {\r |
565 | EFI_STATUS Status;\r |
566 | UINTN Index;\r |
567 | UINTN Count;\r |
568 | UINTN Calculation;\r |
569 | UINT8 *AllocatedBuffer;\r |
570 | EMULATED_PCD_DATABASE_EX *EmulatedPcdDatabaseEx;\r |
571 | EMULATED_PCD_ENTRY_EX *EmulatedPcdEntryEx;\r |
572 | \r |
573 | //\r |
574 | // BugBug: Normally, we would read an FFS file for this data\r |
575 | // We need to remember, that when we read the FFS file, items such as the VariableName will not be encoded as a pointer\r |
576 | // but as an array of content. In this emulation, our init is encoding this data as a pointer.\r |
577 | // In the FFS version, we will depend on the proper Entry Count in the FFS data since the structures will\r |
578 | // now be variable length.\r |
579 | //\r |
580 | //\r |
581 | \r |
582 | //\r |
583 | // We should now read from the FFS file into the cache - for now, we fake this.\r |
584 | //\r |
585 | Count = GetPcdDataBaseSize () / sizeof (EMULATED_PCD_ENTRY);\r |
586 | \r |
587 | //\r |
588 | // Let's now determine how big of a buffer we need for our database\r |
589 | // For the FFS version, we need to calculate/consider the VariableName/ExtendedData size!!!\r |
590 | //\r |
591 | Calculation = sizeof (UINTN) + (Count * sizeof (EMULATED_PCD_ENTRY_EX));\r |
592 | \r |
593 | EmulatedPcdDatabaseEx = (EMULATED_PCD_DATABASE_EX *) BuildGuidHob (&gPcdHobGuid, Calculation);\r |
594 | \r |
595 | EmulatedPcdDatabaseEx->Count = Count;\r |
596 | EmulatedPcdEntryEx = EmulatedPcdDatabaseEx->Entry;\r |
597 | \r |
598 | AllocatedBuffer = AllocatePool (Count * sizeof (PCD_PPI_CALLBACK) * MAX_PCD_CALLBACK);\r |
599 | ASSERT (AllocatedBuffer != NULL); \r |
600 | \r |
601 | for (Index = 0; Index < Count; Index++) {\r |
602 | //\r |
603 | // Copy from source to our own allocated buffer - normally an FFS read\r |
604 | //\r |
605 | (*PeiServices)->CopyMem (\r |
606 | (VOID *) (EmulatedPcdEntryEx + Index),\r |
607 | (VOID *) (gEmulatedPcdEntry + Index),\r |
608 | sizeof (EMULATED_PCD_ENTRY)\r |
609 | );\r |
610 | \r |
611 | //\r |
612 | // All the CallBackList worker functions refer to this CallBackList as CallBackList[CallbackEntry]\r |
613 | // so we seed the same buffer address here.\r |
614 | //\r |
615 | EmulatedPcdEntryEx[Index].CallBackList = (PCD_PPI_CALLBACK *)AllocatedBuffer;\r |
616 | AllocatedBuffer+= (sizeof (PCD_PPI_CALLBACK) * MAX_PCD_CALLBACK);\r |
617 | EmulatedPcdEntryEx[Index].CallBackEntries = 0;\r |
618 | EmulatedPcdEntryEx[Index].CallBackListSize = MAX_PCD_CALLBACK;\r |
619 | }\r |
620 | \r |
621 | //\r |
622 | // Install PCD service PPI\r |
623 | //\r |
624 | Status = PeiCoreInstallPpi (&mPpiPCD);\r |
625 | \r |
626 | ASSERT_EFI_ERROR (Status);\r |
627 | return Status;\r |
628 | }\r |
629 | \r |
630 | \r |
631 | EMULATED_PCD_ENTRY_EX *\r |
632 | GetPcdEntry (\r |
633 | IN UINTN TokenNumber\r |
634 | )\r |
635 | {\r |
636 | UINTN Index;\r |
637 | UINTN Count;\r |
638 | EMULATED_PCD_DATABASE_EX *EmulatedPcdDatabaseEx;\r |
639 | EMULATED_PCD_ENTRY_EX *EmulatedPcdEntryEx;\r |
640 | \r |
641 | CpuBreakpoint (); \r |
642 | \r |
643 | EmulatedPcdDatabaseEx = GetPcdDataBaseEx (); \r |
644 | //\r |
645 | // BugBug: This Count will change when we flip over to FFS version\r |
646 | //\r |
647 | Count = EmulatedPcdDatabaseEx->Count;\r |
648 | EmulatedPcdEntryEx = EmulatedPcdDatabaseEx->Entry;\r |
649 | for (Index = 0; Index < Count; Index++) {\r |
650 | if (EmulatedPcdEntryEx[Index].Token == TokenNumber) {\r |
651 | return &EmulatedPcdEntryEx[Index];\r |
652 | }\r |
653 | }\r |
654 | return NULL;\r |
655 | }\r |
656 | \r |
657 | \r |