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1 | /** @file\r | |
2 | PCD DXE driver\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: Pcd.c\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
18 | #include "Service.h"\r | |
19 | \r | |
20 | \r | |
21 | PCD_PROTOCOL mPcdInstance = {\r | |
22 | DxePcdSetSku,\r | |
23 | \r | |
24 | DxePcdGet8,\r | |
25 | DxePcdGet16,\r | |
26 | DxePcdGet32,\r | |
27 | DxePcdGet64,\r | |
28 | DxePcdGetPtr,\r | |
29 | DxePcdGetBool,\r | |
30 | DxePcdGetSize,\r | |
31 | \r | |
32 | DxePcdGet8Ex,\r | |
33 | DxePcdGet16Ex,\r | |
34 | DxePcdGet32Ex,\r | |
35 | DxePcdGet64Ex,\r | |
36 | DxePcdGetPtrEx,\r | |
37 | DxePcdGetBoolEx,\r | |
38 | DxePcdGetSizeEx,\r | |
39 | \r | |
40 | DxePcdSet8,\r | |
41 | DxePcdSet16,\r | |
42 | DxePcdSet32,\r | |
43 | DxePcdSet64,\r | |
44 | DxePcdSetPtr,\r | |
45 | DxePcdSetBool,\r | |
46 | \r | |
47 | DxePcdSet8Ex,\r | |
48 | DxePcdSet16Ex,\r | |
49 | DxePcdSet32Ex,\r | |
50 | DxePcdSet64Ex,\r | |
51 | DxePcdSetPtrEx,\r | |
52 | DxePcdSetBoolEx,\r | |
53 | \r | |
54 | DxeRegisterCallBackOnSet,\r | |
55 | DxeUnRegisterCallBackOnSet,\r | |
56 | DxePcdGetNextToken,\r | |
57 | DxePcdGetNextTokenSpace\r | |
58 | };\r | |
59 | \r | |
60 | \r | |
61 | //\r | |
62 | // Static global to reduce the code size\r | |
63 | //\r | |
64 | static EFI_HANDLE mNewHandle = NULL;\r | |
65 | \r | |
66 | EFI_STATUS\r | |
67 | EFIAPI\r | |
68 | PcdDxeInit (\r | |
69 | IN EFI_HANDLE ImageHandle,\r | |
70 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
71 | )\r | |
72 | {\r | |
73 | EFI_STATUS Status;\r | |
74 | \r | |
75 | //\r | |
76 | // Make sure the Pcd Protocol is not already installed in the system\r | |
77 | //\r | |
78 | \r | |
79 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);\r | |
80 | \r | |
81 | BuildPcdDxeDataBase ();\r | |
82 | \r | |
83 | Status = gBS->InstallProtocolInterface (\r | |
84 | &mNewHandle,\r | |
85 | &gPcdProtocolGuid,\r | |
86 | EFI_NATIVE_INTERFACE,\r | |
87 | &mPcdInstance\r | |
88 | );\r | |
89 | \r | |
90 | ASSERT_EFI_ERROR (Status);\r | |
91 | \r | |
92 | return EFI_SUCCESS;\r | |
93 | \r | |
94 | }\r | |
95 | \r | |
96 | \r | |
97 | VOID\r | |
98 | EFIAPI\r | |
99 | DxePcdSetSku (\r | |
100 | IN UINTN SkuId\r | |
101 | )\r | |
102 | {\r | |
103 | mPcdDatabase->PeiDb.Init.SystemSkuId = (SKU_ID) SkuId;\r | |
104 | \r | |
105 | return;\r | |
106 | }\r | |
107 | \r | |
108 | \r | |
109 | \r | |
110 | UINT8\r | |
111 | EFIAPI\r | |
112 | DxePcdGet8 (\r | |
113 | IN UINTN TokenNumber\r | |
114 | )\r | |
115 | {\r | |
116 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r | |
117 | }\r | |
118 | \r | |
119 | \r | |
120 | \r | |
121 | UINT16\r | |
122 | EFIAPI\r | |
123 | DxePcdGet16 (\r | |
124 | IN UINTN TokenNumber\r | |
125 | )\r | |
126 | {\r | |
127 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r | |
128 | }\r | |
129 | \r | |
130 | \r | |
131 | \r | |
132 | UINT32\r | |
133 | EFIAPI\r | |
134 | DxePcdGet32 (\r | |
135 | IN UINTN TokenNumber\r | |
136 | )\r | |
137 | {\r | |
138 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r | |
139 | }\r | |
140 | \r | |
141 | \r | |
142 | \r | |
143 | UINT64\r | |
144 | EFIAPI\r | |
145 | DxePcdGet64 (\r | |
146 | IN UINTN TokenNumber\r | |
147 | )\r | |
148 | {\r | |
149 | return ReadUnaligned64(GetWorker (TokenNumber, sizeof (UINT64)));\r | |
150 | }\r | |
151 | \r | |
152 | \r | |
153 | \r | |
154 | VOID *\r | |
155 | EFIAPI\r | |
156 | DxePcdGetPtr (\r | |
157 | IN UINTN TokenNumber\r | |
158 | )\r | |
159 | {\r | |
160 | return GetWorker (TokenNumber, 0);\r | |
161 | }\r | |
162 | \r | |
163 | \r | |
164 | \r | |
165 | BOOLEAN\r | |
166 | EFIAPI\r | |
167 | DxePcdGetBool (\r | |
168 | IN UINTN TokenNumber\r | |
169 | )\r | |
170 | {\r | |
171 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r | |
172 | }\r | |
173 | \r | |
174 | \r | |
175 | \r | |
176 | UINTN\r | |
177 | EFIAPI\r | |
178 | DxePcdGetSize (\r | |
179 | IN UINTN TokenNumber\r | |
180 | )\r | |
181 | {\r | |
182 | UINTN Size;\r | |
183 | UINT32 *LocalTokenNumberTable;\r | |
184 | BOOLEAN IsPeiDb;\r | |
185 | UINTN MaxSize;\r | |
186 | UINTN TmpTokenNumber;\r | |
187 | //\r | |
188 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
189 | // We have to decrement TokenNumber by 1 to make it usable\r | |
190 | // as the array index.\r | |
191 | //\r | |
192 | TokenNumber--;\r | |
193 | \r | |
194 | //\r | |
195 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
196 | // \r | |
197 | TmpTokenNumber = 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 < PCD_TOTAL_TOKEN_NUMBER + 1);\r | |
203 | \r | |
204 | // EBC compiler is very choosy. It may report warning about comparison\r | |
205 | // between UINTN and 0 . So we add 1 in each size of the \r | |
206 | // comparison.\r | |
207 | IsPeiDb = (BOOLEAN) (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
208 | \r | |
209 | TokenNumber = IsPeiDb ? TokenNumber : \r | |
210 | (TokenNumber - PEI_LOCAL_TOKEN_NUMBER);\r | |
211 | \r | |
212 | LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable \r | |
213 | : mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
214 | \r | |
215 | Size = (LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r | |
216 | \r | |
217 | if (Size == 0) {\r | |
218 | //\r | |
219 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
220 | //\r | |
221 | return GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
222 | } else {\r | |
223 | return Size;\r | |
224 | }\r | |
225 | \r | |
226 | }\r | |
227 | \r | |
228 | \r | |
229 | \r | |
230 | UINT8\r | |
231 | EFIAPI\r | |
232 | DxePcdGet8Ex (\r | |
233 | IN CONST EFI_GUID *Guid,\r | |
234 | IN UINTN ExTokenNumber\r | |
235 | )\r | |
236 | {\r | |
237 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r | |
238 | }\r | |
239 | \r | |
240 | \r | |
241 | \r | |
242 | UINT16\r | |
243 | EFIAPI\r | |
244 | DxePcdGet16Ex (\r | |
245 | IN CONST EFI_GUID *Guid,\r | |
246 | IN UINTN ExTokenNumber\r | |
247 | )\r | |
248 | {\r | |
249 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r | |
250 | }\r | |
251 | \r | |
252 | \r | |
253 | \r | |
254 | UINT32\r | |
255 | EFIAPI\r | |
256 | DxePcdGet32Ex (\r | |
257 | IN CONST EFI_GUID *Guid,\r | |
258 | IN UINTN ExTokenNumber\r | |
259 | )\r | |
260 | {\r | |
261 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r | |
262 | }\r | |
263 | \r | |
264 | \r | |
265 | \r | |
266 | UINT64\r | |
267 | EFIAPI\r | |
268 | DxePcdGet64Ex (\r | |
269 | IN CONST EFI_GUID *Guid,\r | |
270 | IN UINTN ExTokenNumber\r | |
271 | )\r | |
272 | {\r | |
273 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r | |
274 | }\r | |
275 | \r | |
276 | \r | |
277 | \r | |
278 | VOID *\r | |
279 | EFIAPI\r | |
280 | DxePcdGetPtrEx (\r | |
281 | IN CONST EFI_GUID *Guid,\r | |
282 | IN UINTN ExTokenNumber\r | |
283 | )\r | |
284 | {\r | |
285 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
286 | }\r | |
287 | \r | |
288 | \r | |
289 | \r | |
290 | BOOLEAN\r | |
291 | EFIAPI\r | |
292 | DxePcdGetBoolEx (\r | |
293 | IN CONST EFI_GUID *Guid,\r | |
294 | IN UINTN ExTokenNumber\r | |
295 | )\r | |
296 | {\r | |
297 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r | |
298 | }\r | |
299 | \r | |
300 | \r | |
301 | \r | |
302 | UINTN\r | |
303 | EFIAPI\r | |
304 | DxePcdGetSizeEx (\r | |
305 | IN CONST EFI_GUID *Guid,\r | |
306 | IN UINTN ExTokenNumber\r | |
307 | )\r | |
308 | {\r | |
309 | return DxePcdGetSize(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber));\r | |
310 | }\r | |
311 | \r | |
312 | \r | |
313 | \r | |
314 | EFI_STATUS\r | |
315 | EFIAPI\r | |
316 | DxePcdSet8 (\r | |
317 | IN UINTN TokenNumber,\r | |
318 | IN UINT8 Value\r | |
319 | )\r | |
320 | {\r | |
321 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
322 | }\r | |
323 | \r | |
324 | \r | |
325 | \r | |
326 | EFI_STATUS\r | |
327 | EFIAPI\r | |
328 | DxePcdSet16 (\r | |
329 | IN UINTN TokenNumber,\r | |
330 | IN UINT16 Value\r | |
331 | )\r | |
332 | {\r | |
333 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
334 | }\r | |
335 | \r | |
336 | \r | |
337 | \r | |
338 | EFI_STATUS\r | |
339 | EFIAPI\r | |
340 | DxePcdSet32 (\r | |
341 | IN UINTN TokenNumber,\r | |
342 | IN UINT32 Value\r | |
343 | )\r | |
344 | {\r | |
345 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
346 | }\r | |
347 | \r | |
348 | \r | |
349 | \r | |
350 | EFI_STATUS\r | |
351 | EFIAPI\r | |
352 | DxePcdSet64 (\r | |
353 | IN UINTN TokenNumber,\r | |
354 | IN UINT64 Value\r | |
355 | )\r | |
356 | {\r | |
357 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
358 | }\r | |
359 | \r | |
360 | \r | |
361 | \r | |
362 | EFI_STATUS\r | |
363 | EFIAPI\r | |
364 | DxePcdSetPtr (\r | |
365 | IN UINTN TokenNumber,\r | |
366 | IN OUT UINTN *SizeOfBuffer,\r | |
367 | IN VOID *Buffer\r | |
368 | )\r | |
369 | {\r | |
370 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
371 | }\r | |
372 | \r | |
373 | \r | |
374 | \r | |
375 | EFI_STATUS\r | |
376 | EFIAPI\r | |
377 | DxePcdSetBool (\r | |
378 | IN UINTN TokenNumber,\r | |
379 | IN BOOLEAN Value\r | |
380 | )\r | |
381 | {\r | |
382 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
383 | }\r | |
384 | \r | |
385 | \r | |
386 | \r | |
387 | EFI_STATUS\r | |
388 | EFIAPI\r | |
389 | DxePcdSet8Ex (\r | |
390 | IN CONST EFI_GUID *Guid,\r | |
391 | IN UINTN ExTokenNumber,\r | |
392 | IN UINT8 Value\r | |
393 | )\r | |
394 | {\r | |
395 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
396 | }\r | |
397 | \r | |
398 | \r | |
399 | \r | |
400 | EFI_STATUS\r | |
401 | EFIAPI\r | |
402 | DxePcdSet16Ex (\r | |
403 | IN CONST EFI_GUID *Guid,\r | |
404 | IN UINTN ExTokenNumber,\r | |
405 | IN UINT16 Value\r | |
406 | )\r | |
407 | {\r | |
408 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
409 | }\r | |
410 | \r | |
411 | \r | |
412 | \r | |
413 | EFI_STATUS\r | |
414 | EFIAPI\r | |
415 | DxePcdSet32Ex (\r | |
416 | IN CONST EFI_GUID *Guid,\r | |
417 | IN UINTN ExTokenNumber,\r | |
418 | IN UINT32 Value\r | |
419 | )\r | |
420 | {\r | |
421 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
422 | }\r | |
423 | \r | |
424 | \r | |
425 | \r | |
426 | EFI_STATUS\r | |
427 | EFIAPI\r | |
428 | DxePcdSet64Ex (\r | |
429 | IN CONST EFI_GUID *Guid,\r | |
430 | IN UINTN ExTokenNumber,\r | |
431 | IN UINT64 Value\r | |
432 | )\r | |
433 | {\r | |
434 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
435 | }\r | |
436 | \r | |
437 | \r | |
438 | \r | |
439 | EFI_STATUS\r | |
440 | EFIAPI\r | |
441 | DxePcdSetPtrEx (\r | |
442 | IN CONST EFI_GUID *Guid,\r | |
443 | IN UINTN ExTokenNumber,\r | |
444 | IN OUT UINTN *SizeOfBuffer,\r | |
445 | IN VOID *Buffer\r | |
446 | )\r | |
447 | {\r | |
448 | return ExSetWorker(ExTokenNumber, Guid, Buffer, SizeOfBuffer, TRUE);\r | |
449 | }\r | |
450 | \r | |
451 | \r | |
452 | \r | |
453 | EFI_STATUS\r | |
454 | EFIAPI\r | |
455 | DxePcdSetBoolEx (\r | |
456 | IN CONST EFI_GUID *Guid,\r | |
457 | IN UINTN ExTokenNumber,\r | |
458 | IN BOOLEAN Value\r | |
459 | )\r | |
460 | {\r | |
461 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
462 | }\r | |
463 | \r | |
464 | \r | |
465 | \r | |
466 | \r | |
467 | EFI_STATUS\r | |
468 | EFIAPI\r | |
469 | DxeRegisterCallBackOnSet (\r | |
470 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
471 | IN UINTN TokenNumber,\r | |
472 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
473 | )\r | |
474 | {\r | |
475 | ASSERT (CallBackFunction != NULL);\r | |
476 | \r | |
477 | return DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
478 | }\r | |
479 | \r | |
480 | \r | |
481 | \r | |
482 | EFI_STATUS\r | |
483 | EFIAPI\r | |
484 | DxeUnRegisterCallBackOnSet (\r | |
485 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
486 | IN UINTN TokenNumber,\r | |
487 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
488 | )\r | |
489 | {\r | |
490 | ASSERT (CallBackFunction != NULL);\r | |
491 | \r | |
492 | return DxeUnRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
493 | }\r | |
494 | \r | |
495 | \r | |
496 | \r | |
497 | EFI_STATUS\r | |
498 | EFIAPI\r | |
499 | DxePcdGetNextToken (\r | |
500 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
501 | IN OUT UINTN *TokenNumber\r | |
502 | )\r | |
503 | {\r | |
504 | EFI_STATUS Status;\r | |
505 | \r | |
506 | if (!FeaturePcdGet (PcdDxePcdDatabaseTraverseEnabled)) {\r | |
507 | return EFI_UNSUPPORTED;\r | |
508 | }\r | |
509 | \r | |
510 | Status = EFI_NOT_FOUND;\r | |
511 | //\r | |
512 | // Scan the local token space\r | |
513 | //\r | |
514 | if (Guid == NULL) {\r | |
515 | // EBC compiler is very choosy. It may report warning about comparison\r | |
516 | // between UINTN and 0 . So we add 1 in each size of the \r | |
517 | // comparison.\r | |
518 | if (((*TokenNumber + 1 > PEI_NEX_TOKEN_NUMBER + 1) && (*TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1)) ||\r | |
519 | ((*TokenNumber + 1 > (PEI_LOCAL_TOKEN_NUMBER + DXE_NEX_TOKEN_NUMBER + 1)))) {\r | |
520 | return EFI_NOT_FOUND;\r | |
521 | }\r | |
522 | \r | |
523 | (*TokenNumber)++;\r | |
524 | if ((*TokenNumber + 1 > PEI_NEX_TOKEN_NUMBER + 1) &&\r | |
525 | (*TokenNumber <= PEI_LOCAL_TOKEN_NUMBER)) {\r | |
526 | //\r | |
527 | // The first Non-Ex type Token Number for DXE PCD \r | |
528 | // database is PEI_LOCAL_TOKEN_NUMBER\r | |
529 | //\r | |
530 | *TokenNumber = PEI_LOCAL_TOKEN_NUMBER;\r | |
531 | } else if (*TokenNumber + 1 > DXE_NEX_TOKEN_NUMBER + PEI_LOCAL_TOKEN_NUMBER + 1) {\r | |
532 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
533 | }\r | |
534 | return EFI_SUCCESS;\r | |
535 | }\r | |
536 | \r | |
537 | if (PEI_EXMAP_TABLE_EMPTY && DXE_EXMAP_TABLE_EMPTY) {\r | |
538 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
539 | return EFI_NOT_FOUND;\r | |
540 | }\r | |
541 | \r | |
542 | if (!PEI_EXMAP_TABLE_EMPTY) {\r | |
543 | Status = ExGetNextTokeNumber (\r | |
544 | Guid,\r | |
545 | TokenNumber,\r | |
546 | mPcdDatabase->PeiDb.Init.GuidTable,\r | |
547 | sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r | |
548 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
549 | sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r | |
550 | );\r | |
551 | }\r | |
552 | \r | |
553 | if (Status == EFI_SUCCESS) {\r | |
554 | return Status;\r | |
555 | }\r | |
556 | \r | |
557 | if (!DXE_EXMAP_TABLE_EMPTY) {\r | |
558 | Status = ExGetNextTokeNumber (\r | |
559 | Guid,\r | |
560 | TokenNumber,\r | |
561 | mPcdDatabase->DxeDb.Init.GuidTable,\r | |
562 | sizeof(mPcdDatabase->DxeDb.Init.GuidTable),\r | |
563 | mPcdDatabase->DxeDb.Init.ExMapTable,\r | |
564 | sizeof(mPcdDatabase->DxeDb.Init.ExMapTable)\r | |
565 | );\r | |
566 | }\r | |
567 | \r | |
568 | return Status;\r | |
569 | }\r | |
570 | \r | |
571 | \r | |
572 | EFI_GUID **\r | |
573 | GetDistinctTokenSpace (\r | |
574 | IN OUT UINTN *ExMapTableSize,\r | |
575 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
576 | IN EFI_GUID *GuidTable\r | |
577 | )\r | |
578 | {\r | |
579 | EFI_GUID **DistinctTokenSpace;\r | |
580 | UINTN OldGuidIndex;\r | |
581 | UINTN TsIdx;\r | |
582 | UINTN Idx;\r | |
583 | \r | |
584 | \r | |
585 | DistinctTokenSpace = AllocateZeroPool (*ExMapTableSize * sizeof (EFI_GUID *));\r | |
586 | ASSERT (DistinctTokenSpace != NULL);\r | |
587 | \r | |
588 | TsIdx = 0;\r | |
589 | OldGuidIndex = ExMapTable[0].ExGuidIndex;\r | |
590 | DistinctTokenSpace[TsIdx] = &GuidTable[OldGuidIndex];\r | |
591 | for (Idx = 1; Idx < *ExMapTableSize; Idx++) {\r | |
592 | if (ExMapTable[Idx].ExGuidIndex != OldGuidIndex) {\r | |
593 | OldGuidIndex = ExMapTable[Idx].ExGuidIndex;\r | |
594 | DistinctTokenSpace[++TsIdx] = &GuidTable[OldGuidIndex];\r | |
595 | }\r | |
596 | }\r | |
597 | \r | |
598 | //\r | |
599 | // The total number of Distinct Token Space\r | |
600 | // is TsIdx + 1 because we use TsIdx as a index\r | |
601 | // to the DistinctTokenSpace[]\r | |
602 | //\r | |
603 | *ExMapTableSize = TsIdx + 1;\r | |
604 | return DistinctTokenSpace;\r | |
605 | \r | |
606 | }\r | |
607 | \r | |
608 | //\r | |
609 | // Just pre-allocate a memory buffer that is big enough to\r | |
610 | // host all distinct TokenSpace guid in both\r | |
611 | // PEI ExMap and DXE ExMap.\r | |
612 | //\r | |
613 | STATIC EFI_GUID *TmpTokenSpaceBuffer[PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE] = { 0 };\r | |
614 | \r | |
615 | EFI_STATUS\r | |
616 | EFIAPI\r | |
617 | DxePcdGetNextTokenSpace (\r | |
618 | IN OUT CONST EFI_GUID **Guid\r | |
619 | )\r | |
620 | {\r | |
621 | UINTN Idx;\r | |
622 | UINTN Idx2;\r | |
623 | UINTN Idx3;\r | |
624 | UINTN PeiTokenSpaceTableSize;\r | |
625 | UINTN DxeTokenSpaceTableSize;\r | |
626 | EFI_GUID **PeiTokenSpaceTable;\r | |
627 | EFI_GUID **DxeTokenSpaceTable;\r | |
628 | BOOLEAN Match;\r | |
629 | \r | |
630 | if (!FeaturePcdGet (PcdDxePcdDatabaseTraverseEnabled)) {\r | |
631 | return EFI_UNSUPPORTED;\r | |
632 | }\r | |
633 | \r | |
634 | ASSERT (Guid != NULL);\r | |
635 | \r | |
636 | if (PEI_EXMAP_TABLE_EMPTY && DXE_EXMAP_TABLE_EMPTY) {\r | |
637 | if (*Guid != NULL) {\r | |
638 | return EFI_NOT_FOUND;\r | |
639 | } else {\r | |
640 | return EFI_SUCCESS;\r | |
641 | }\r | |
642 | }\r | |
643 | \r | |
644 | \r | |
645 | if (TmpTokenSpaceBuffer[0] == NULL) {\r | |
646 | PeiTokenSpaceTableSize = 0;\r | |
647 | \r | |
648 | if (!PEI_EXMAP_TABLE_EMPTY) {\r | |
649 | PeiTokenSpaceTableSize = PEI_EXMAPPING_TABLE_SIZE;\r | |
650 | PeiTokenSpaceTable = GetDistinctTokenSpace (&PeiTokenSpaceTableSize,\r | |
651 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
652 | mPcdDatabase->PeiDb.Init.GuidTable\r | |
653 | );\r | |
654 | CopyMem (TmpTokenSpaceBuffer, PeiTokenSpaceTable, sizeof (EFI_GUID*) * PeiTokenSpaceTableSize);\r | |
655 | }\r | |
656 | \r | |
657 | if (!DXE_EXMAP_TABLE_EMPTY) {\r | |
658 | DxeTokenSpaceTableSize = DXE_EXMAPPING_TABLE_SIZE;\r | |
659 | DxeTokenSpaceTable = GetDistinctTokenSpace (&DxeTokenSpaceTableSize,\r | |
660 | mPcdDatabase->DxeDb.Init.ExMapTable,\r | |
661 | mPcdDatabase->DxeDb.Init.GuidTable\r | |
662 | );\r | |
663 | \r | |
664 | //\r | |
665 | // Make sure EFI_GUID in DxeTokenSpaceTable does not exist in PeiTokenSpaceTable\r | |
666 | //\r | |
667 | for (Idx2 = 0, Idx3 = PeiTokenSpaceTableSize; Idx2 < DxeTokenSpaceTableSize; Idx2++) {\r | |
668 | Match = FALSE;\r | |
669 | for (Idx = 0; Idx < PeiTokenSpaceTableSize; Idx++) {\r | |
670 | if (CompareGuid (TmpTokenSpaceBuffer[Idx], DxeTokenSpaceTable[Idx2])) {\r | |
671 | Match = TRUE;\r | |
672 | break;\r | |
673 | }\r | |
674 | }\r | |
675 | if (!Match) {\r | |
676 | TmpTokenSpaceBuffer[Idx3++] = DxeTokenSpaceTable[Idx2];\r | |
677 | }\r | |
678 | }\r | |
679 | }\r | |
680 | }\r | |
681 | \r | |
682 | if (*Guid == NULL) {\r | |
683 | *Guid = TmpTokenSpaceBuffer[0];\r | |
684 | return EFI_SUCCESS;\r | |
685 | }\r | |
686 | \r | |
687 | for (Idx = 0; Idx < (PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE); Idx++) {\r | |
688 | if(CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {\r | |
689 | Idx++;\r | |
690 | *Guid = TmpTokenSpaceBuffer[Idx];\r | |
691 | return EFI_SUCCESS;\r | |
692 | }\r | |
693 | }\r | |
694 | \r | |
695 | return EFI_NOT_FOUND;\r | |
696 | \r | |
697 | }\r | |
698 | \r | |
699 | \r |