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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 | };\r | |
58 | \r | |
59 | \r | |
60 | //\r | |
61 | // Static global to reduce the code size\r | |
62 | //\r | |
63 | static EFI_HANDLE NewHandle = NULL;\r | |
64 | \r | |
65 | EFI_STATUS\r | |
66 | EFIAPI\r | |
67 | PcdDxeInit (\r | |
68 | IN EFI_HANDLE ImageHandle,\r | |
69 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
70 | )\r | |
71 | {\r | |
72 | EFI_STATUS Status;\r | |
73 | \r | |
74 | //\r | |
75 | // Make sure the Pcd Protocol is not already installed in the system\r | |
76 | //\r | |
77 | \r | |
78 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);\r | |
79 | \r | |
80 | BuildPcdDxeDataBase ();\r | |
81 | \r | |
82 | //\r | |
83 | // BugBug Check if PcdDatabase is already installed.\r | |
84 | //\r | |
85 | \r | |
86 | Status = gBS->InstallProtocolInterface (\r | |
87 | &NewHandle,\r | |
88 | &gPcdProtocolGuid,\r | |
89 | EFI_NATIVE_INTERFACE,\r | |
90 | &mPcdInstance\r | |
91 | );\r | |
92 | \r | |
93 | ASSERT_EFI_ERROR (Status);\r | |
94 | \r | |
95 | return EFI_SUCCESS;\r | |
96 | \r | |
97 | }\r | |
98 | \r | |
99 | \r | |
100 | VOID\r | |
101 | EFIAPI\r | |
102 | DxePcdSetSku (\r | |
103 | IN UINTN SkuId\r | |
104 | )\r | |
105 | {\r | |
106 | mPcdDatabase->PeiDb.Init.SystemSkuId = (SKU_ID) SkuId;\r | |
107 | \r | |
108 | return;\r | |
109 | }\r | |
110 | \r | |
111 | \r | |
112 | \r | |
113 | UINT8\r | |
114 | EFIAPI\r | |
115 | DxePcdGet8 (\r | |
116 | IN UINTN TokenNumber\r | |
117 | )\r | |
118 | {\r | |
119 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r | |
120 | }\r | |
121 | \r | |
122 | \r | |
123 | \r | |
124 | UINT16\r | |
125 | EFIAPI\r | |
126 | DxePcdGet16 (\r | |
127 | IN UINTN TokenNumber\r | |
128 | )\r | |
129 | {\r | |
130 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r | |
131 | }\r | |
132 | \r | |
133 | \r | |
134 | \r | |
135 | UINT32\r | |
136 | EFIAPI\r | |
137 | DxePcdGet32 (\r | |
138 | IN UINTN TokenNumber\r | |
139 | )\r | |
140 | {\r | |
141 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r | |
142 | }\r | |
143 | \r | |
144 | \r | |
145 | \r | |
146 | UINT64\r | |
147 | EFIAPI\r | |
148 | DxePcdGet64 (\r | |
149 | IN UINTN TokenNumber\r | |
150 | )\r | |
151 | {\r | |
152 | return ReadUnaligned64(GetWorker (TokenNumber, sizeof (UINT64)));\r | |
153 | }\r | |
154 | \r | |
155 | \r | |
156 | \r | |
157 | VOID *\r | |
158 | EFIAPI\r | |
159 | DxePcdGetPtr (\r | |
160 | IN UINTN TokenNumber\r | |
161 | )\r | |
162 | {\r | |
163 | return GetWorker (TokenNumber, 0);\r | |
164 | }\r | |
165 | \r | |
166 | \r | |
167 | \r | |
168 | BOOLEAN\r | |
169 | EFIAPI\r | |
170 | DxePcdGetBool (\r | |
171 | IN UINTN TokenNumber\r | |
172 | )\r | |
173 | {\r | |
174 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r | |
175 | }\r | |
176 | \r | |
177 | \r | |
178 | \r | |
179 | UINTN\r | |
180 | EFIAPI\r | |
181 | DxePcdGetSize (\r | |
182 | IN UINTN TokenNumber\r | |
183 | )\r | |
184 | {\r | |
185 | UINT16 * SizeTable;\r | |
186 | \r | |
187 | SizeTable = (TokenNumber < PEI_LOCAL_TOKEN_NUMBER) ? mPcdDatabase->PeiDb.Init.SizeTable :\r | |
188 | mPcdDatabase->DxeDb.Init.SizeTable;\r | |
189 | \r | |
190 | \r | |
191 | TokenNumber = (TokenNumber < PEI_LOCAL_TOKEN_NUMBER) ? TokenNumber : (TokenNumber - PEI_LOCAL_TOKEN_NUMBER);\r | |
192 | \r | |
193 | return SizeTable[TokenNumber];\r | |
194 | }\r | |
195 | \r | |
196 | \r | |
197 | \r | |
198 | UINT8\r | |
199 | EFIAPI\r | |
200 | DxePcdGet8Ex (\r | |
201 | IN CONST EFI_GUID *Guid,\r | |
202 | IN UINTN ExTokenNumber\r | |
203 | )\r | |
204 | {\r | |
205 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r | |
206 | }\r | |
207 | \r | |
208 | \r | |
209 | \r | |
210 | UINT16\r | |
211 | EFIAPI\r | |
212 | DxePcdGet16Ex (\r | |
213 | IN CONST EFI_GUID *Guid,\r | |
214 | IN UINTN ExTokenNumber\r | |
215 | )\r | |
216 | {\r | |
217 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r | |
218 | }\r | |
219 | \r | |
220 | \r | |
221 | \r | |
222 | UINT32\r | |
223 | EFIAPI\r | |
224 | DxePcdGet32Ex (\r | |
225 | IN CONST EFI_GUID *Guid,\r | |
226 | IN UINTN ExTokenNumber\r | |
227 | )\r | |
228 | {\r | |
229 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r | |
230 | }\r | |
231 | \r | |
232 | \r | |
233 | \r | |
234 | UINT64\r | |
235 | EFIAPI\r | |
236 | DxePcdGet64Ex (\r | |
237 | IN CONST EFI_GUID *Guid,\r | |
238 | IN UINTN ExTokenNumber\r | |
239 | )\r | |
240 | {\r | |
241 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r | |
242 | }\r | |
243 | \r | |
244 | \r | |
245 | \r | |
246 | VOID *\r | |
247 | EFIAPI\r | |
248 | DxePcdGetPtrEx (\r | |
249 | IN CONST EFI_GUID *Guid,\r | |
250 | IN UINTN ExTokenNumber\r | |
251 | )\r | |
252 | {\r | |
253 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
254 | }\r | |
255 | \r | |
256 | \r | |
257 | \r | |
258 | BOOLEAN\r | |
259 | EFIAPI\r | |
260 | DxePcdGetBoolEx (\r | |
261 | IN CONST EFI_GUID *Guid,\r | |
262 | IN UINTN ExTokenNumber\r | |
263 | )\r | |
264 | {\r | |
265 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r | |
266 | }\r | |
267 | \r | |
268 | \r | |
269 | \r | |
270 | UINTN\r | |
271 | EFIAPI\r | |
272 | DxePcdGetSizeEx (\r | |
273 | IN CONST EFI_GUID *Guid,\r | |
274 | IN UINTN ExTokenNumber\r | |
275 | )\r | |
276 | {\r | |
277 | return DxePcdGetSize(GetExPcdTokenNumber (Guid, ExTokenNumber));\r | |
278 | }\r | |
279 | \r | |
280 | \r | |
281 | \r | |
282 | EFI_STATUS\r | |
283 | EFIAPI\r | |
284 | DxePcdSet8 (\r | |
285 | IN UINTN TokenNumber,\r | |
286 | IN UINT8 Value\r | |
287 | )\r | |
288 | {\r | |
289 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
290 | }\r | |
291 | \r | |
292 | \r | |
293 | \r | |
294 | EFI_STATUS\r | |
295 | EFIAPI\r | |
296 | DxePcdSet16 (\r | |
297 | IN UINTN TokenNumber,\r | |
298 | IN UINT16 Value\r | |
299 | )\r | |
300 | {\r | |
301 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
302 | }\r | |
303 | \r | |
304 | \r | |
305 | \r | |
306 | EFI_STATUS\r | |
307 | EFIAPI\r | |
308 | DxePcdSet32 (\r | |
309 | IN UINTN TokenNumber,\r | |
310 | IN UINT32 Value\r | |
311 | )\r | |
312 | {\r | |
313 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
314 | }\r | |
315 | \r | |
316 | \r | |
317 | \r | |
318 | EFI_STATUS\r | |
319 | EFIAPI\r | |
320 | DxePcdSet64 (\r | |
321 | IN UINTN TokenNumber,\r | |
322 | IN UINT64 Value\r | |
323 | )\r | |
324 | {\r | |
325 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
326 | }\r | |
327 | \r | |
328 | \r | |
329 | \r | |
330 | EFI_STATUS\r | |
331 | EFIAPI\r | |
332 | DxePcdSetPtr (\r | |
333 | IN UINTN TokenNumber,\r | |
334 | IN UINTN SizeOfBuffer,\r | |
335 | IN VOID *Buffer\r | |
336 | )\r | |
337 | {\r | |
338 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
339 | }\r | |
340 | \r | |
341 | \r | |
342 | \r | |
343 | EFI_STATUS\r | |
344 | EFIAPI\r | |
345 | DxePcdSetBool (\r | |
346 | IN UINTN TokenNumber,\r | |
347 | IN BOOLEAN Value\r | |
348 | )\r | |
349 | {\r | |
350 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
351 | }\r | |
352 | \r | |
353 | \r | |
354 | \r | |
355 | EFI_STATUS\r | |
356 | EFIAPI\r | |
357 | DxePcdSet8Ex (\r | |
358 | IN CONST EFI_GUID *Guid,\r | |
359 | IN UINTN ExTokenNumber,\r | |
360 | IN UINT8 Value\r | |
361 | )\r | |
362 | {\r | |
363 | return ExSetWorker(\r | |
364 | ExTokenNumber, \r | |
365 | Guid,\r | |
366 | &Value, \r | |
367 | sizeof (Value), \r | |
368 | FALSE\r | |
369 | );\r | |
370 | }\r | |
371 | \r | |
372 | \r | |
373 | \r | |
374 | EFI_STATUS\r | |
375 | EFIAPI\r | |
376 | DxePcdSet16Ex (\r | |
377 | IN CONST EFI_GUID *Guid,\r | |
378 | IN UINTN ExTokenNumber,\r | |
379 | IN UINT16 Value\r | |
380 | )\r | |
381 | {\r | |
382 | return ExSetWorker(\r | |
383 | ExTokenNumber, \r | |
384 | Guid,\r | |
385 | &Value, \r | |
386 | sizeof (Value), \r | |
387 | FALSE\r | |
388 | );\r | |
389 | }\r | |
390 | \r | |
391 | \r | |
392 | \r | |
393 | EFI_STATUS\r | |
394 | EFIAPI\r | |
395 | DxePcdSet32Ex (\r | |
396 | IN CONST EFI_GUID *Guid,\r | |
397 | IN UINTN ExTokenNumber,\r | |
398 | IN UINT32 Value\r | |
399 | )\r | |
400 | {\r | |
401 | return ExSetWorker(\r | |
402 | ExTokenNumber, \r | |
403 | Guid,\r | |
404 | &Value, \r | |
405 | sizeof (Value), \r | |
406 | FALSE\r | |
407 | );\r | |
408 | }\r | |
409 | \r | |
410 | \r | |
411 | \r | |
412 | EFI_STATUS\r | |
413 | EFIAPI\r | |
414 | DxePcdSet64Ex (\r | |
415 | IN CONST EFI_GUID *Guid,\r | |
416 | IN UINTN ExTokenNumber,\r | |
417 | IN UINT64 Value\r | |
418 | )\r | |
419 | {\r | |
420 | return ExSetWorker(\r | |
421 | ExTokenNumber, \r | |
422 | Guid,\r | |
423 | &Value, \r | |
424 | sizeof (Value), \r | |
425 | FALSE\r | |
426 | );\r | |
427 | }\r | |
428 | \r | |
429 | \r | |
430 | \r | |
431 | EFI_STATUS\r | |
432 | EFIAPI\r | |
433 | DxePcdSetPtrEx (\r | |
434 | IN CONST EFI_GUID *Guid,\r | |
435 | IN UINTN ExTokenNumber,\r | |
436 | IN UINTN SizeOfBuffer,\r | |
437 | IN VOID *Buffer\r | |
438 | )\r | |
439 | {\r | |
440 | return ExSetWorker(\r | |
441 | ExTokenNumber, \r | |
442 | Guid,\r | |
443 | Buffer, \r | |
444 | SizeOfBuffer, \r | |
445 | TRUE\r | |
446 | );\r | |
447 | }\r | |
448 | \r | |
449 | \r | |
450 | \r | |
451 | EFI_STATUS\r | |
452 | EFIAPI\r | |
453 | DxePcdSetBoolEx (\r | |
454 | IN CONST EFI_GUID *Guid,\r | |
455 | IN UINTN ExTokenNumber,\r | |
456 | IN BOOLEAN Value\r | |
457 | )\r | |
458 | {\r | |
459 | return ExSetWorker(\r | |
460 | ExTokenNumber, \r | |
461 | Guid,\r | |
462 | &Value, \r | |
463 | sizeof (Value), \r | |
464 | TRUE\r | |
465 | );\r | |
466 | }\r | |
467 | \r | |
468 | \r | |
469 | \r | |
470 | \r | |
471 | EFI_STATUS\r | |
472 | EFIAPI\r | |
473 | DxeRegisterCallBackOnSet (\r | |
474 | IN UINTN TokenNumber,\r | |
475 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
476 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
477 | )\r | |
478 | {\r | |
479 | ASSERT (CallBackFunction != NULL);\r | |
480 | \r | |
481 | return DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
482 | }\r | |
483 | \r | |
484 | \r | |
485 | \r | |
486 | EFI_STATUS\r | |
487 | EFIAPI\r | |
488 | DxeUnRegisterCallBackOnSet (\r | |
489 | IN UINTN TokenNumber,\r | |
490 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
491 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
492 | )\r | |
493 | {\r | |
494 | ASSERT (CallBackFunction != NULL);\r | |
495 | \r | |
496 | return DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
497 | }\r | |
498 | \r | |
499 | \r | |
500 | \r | |
501 | EFI_STATUS\r | |
502 | EFIAPI\r | |
503 | DxePcdGetNextToken (\r | |
504 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
505 | IN OUT UINTN *TokenNumber\r | |
506 | )\r | |
507 | {\r | |
508 | UINTN ExTokenNumber;\r | |
509 | \r | |
510 | //\r | |
511 | // Scan the local token space\r | |
512 | //\r | |
513 | if (Guid == NULL) {\r | |
514 | (*TokenNumber)++;\r | |
515 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
516 | return EFI_SUCCESS;\r | |
517 | } else {\r | |
518 | if (*TokenNumber >= PEI_NEX_TOKEN_NUMBER &&\r | |
519 | *TokenNumber < PEI_LOCAL_TOKEN_NUMBER) {\r | |
520 | //\r | |
521 | // The first Non-Ex type Token Number for DXE PCD \r | |
522 | // database is PEI_LOCAL_TOKEN_NUMBER\r | |
523 | //\r | |
524 | *TokenNumber = PEI_LOCAL_TOKEN_NUMBER;\r | |
525 | return EFI_SUCCESS;\r | |
526 | } else if (*TokenNumber >= DXE_NEX_TOKEN_NUMBER + PEI_LOCAL_TOKEN_NUMBER) {\r | |
527 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
528 | return EFI_SUCCESS;\r | |
529 | }\r | |
530 | }\r | |
531 | }\r | |
532 | \r | |
533 | if (PEI_EXMAP_TABLE_EMPTY && PEI_EXMAP_TABLE_EMPTY) {\r | |
534 | *TokenNumber = (UINTN) PCD_INVALID_TOKEN_NUMBER;\r | |
535 | return EFI_NOT_FOUND;\r | |
536 | }\r | |
537 | \r | |
538 | ExTokenNumber = *TokenNumber;\r | |
539 | if (!PEI_EXMAP_TABLE_EMPTY) {\r | |
540 | ExTokenNumber = ExGetNextTokeNumber (\r | |
541 | Guid,\r | |
542 | ExTokenNumber,\r | |
543 | mPcdDatabase->PeiDb.Init.GuidTable,\r | |
544 | sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r | |
545 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
546 | sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r | |
547 | );\r | |
548 | }\r | |
549 | \r | |
550 | if (!DXE_EXMAP_TABLE_EMPTY) {\r | |
551 | ExTokenNumber = ExGetNextTokeNumber (\r | |
552 | Guid,\r | |
553 | ExTokenNumber,\r | |
554 | mPcdDatabase->PeiDb.Init.GuidTable,\r | |
555 | sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r | |
556 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
557 | sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r | |
558 | );\r | |
559 | }\r | |
560 | \r | |
561 | *TokenNumber = ExTokenNumber;\r | |
562 | \r | |
563 | return EFI_SUCCESS;\r | |
564 | }\r | |
565 | \r |