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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 | |
84a99d48 | 624 | Status = PeiServicesInstallPpi (&mPpiPCD);\r |
878ddf1f | 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 |