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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 | PcdRegisterCallBackOnSet,\r | |
55 | PcdUnRegisterCallBackOnSet,\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 SKU_ID SkuId\r | |
104 | )\r | |
105 | {\r | |
106 | gPcdDatabase->PeiDb.Init.SystemSkuId = 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 | ASSERT (sizeof (UINT8) == DxePcdGetSize (TokenNumber));\r | |
120 | \r | |
121 | return *((UINT8 *) GetWorker (TokenNumber));\r | |
122 | }\r | |
123 | \r | |
124 | \r | |
125 | \r | |
126 | UINT16\r | |
127 | EFIAPI\r | |
128 | DxePcdGet16 (\r | |
129 | IN UINTN TokenNumber\r | |
130 | )\r | |
131 | {\r | |
132 | ASSERT (sizeof (UINT16) == DxePcdGetSize (TokenNumber));\r | |
133 | \r | |
134 | return ReadUnaligned16 (GetWorker (TokenNumber));\r | |
135 | }\r | |
136 | \r | |
137 | \r | |
138 | \r | |
139 | UINT32\r | |
140 | EFIAPI\r | |
141 | DxePcdGet32 (\r | |
142 | IN UINTN TokenNumber\r | |
143 | )\r | |
144 | {\r | |
145 | ASSERT (sizeof (UINT32) == DxePcdGetSize (TokenNumber));\r | |
146 | \r | |
147 | return ReadUnaligned32 (GetWorker (TokenNumber));\r | |
148 | }\r | |
149 | \r | |
150 | \r | |
151 | \r | |
152 | UINT64\r | |
153 | EFIAPI\r | |
154 | DxePcdGet64 (\r | |
155 | IN UINTN TokenNumber\r | |
156 | )\r | |
157 | {\r | |
158 | ASSERT (sizeof (UINT64) == DxePcdGetSize (TokenNumber));\r | |
159 | \r | |
160 | return ReadUnaligned64(GetWorker (TokenNumber));\r | |
161 | }\r | |
162 | \r | |
163 | \r | |
164 | \r | |
165 | VOID *\r | |
166 | EFIAPI\r | |
167 | DxePcdGetPtr (\r | |
168 | IN UINTN TokenNumber\r | |
169 | )\r | |
170 | {\r | |
171 | return GetWorker (TokenNumber);\r | |
172 | }\r | |
173 | \r | |
174 | \r | |
175 | \r | |
176 | BOOLEAN\r | |
177 | EFIAPI\r | |
178 | DxePcdGetBool (\r | |
179 | IN UINTN TokenNumber\r | |
180 | )\r | |
181 | {\r | |
182 | ASSERT (sizeof (BOOLEAN) == DxePcdGetSize (TokenNumber));\r | |
183 | \r | |
184 | return *((BOOLEAN *) GetWorker (TokenNumber));\r | |
185 | }\r | |
186 | \r | |
187 | \r | |
188 | \r | |
189 | UINTN\r | |
190 | EFIAPI\r | |
191 | DxePcdGetSize (\r | |
192 | IN UINTN TokenNumber\r | |
193 | )\r | |
194 | {\r | |
195 | UINT16 * SizeTable;\r | |
196 | \r | |
197 | SizeTable = (TokenNumber < PEI_LOCAL_TOKEN_NUMBER) ? gPcdDatabase->PeiDb.Init.SizeTable :\r | |
198 | gPcdDatabase->DxeDb.Init.SizeTable;\r | |
199 | \r | |
200 | \r | |
201 | TokenNumber = (TokenNumber < PEI_LOCAL_TOKEN_NUMBER) ? TokenNumber : (TokenNumber - PEI_LOCAL_TOKEN_NUMBER);\r | |
202 | \r | |
203 | return SizeTable[TokenNumber];\r | |
204 | }\r | |
205 | \r | |
206 | \r | |
207 | \r | |
208 | UINT8\r | |
209 | EFIAPI\r | |
210 | DxePcdGet8Ex (\r | |
211 | IN CONST EFI_GUID *Guid,\r | |
212 | IN UINTN ExTokenNumber\r | |
213 | )\r | |
214 | {\r | |
215 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r | |
216 | }\r | |
217 | \r | |
218 | \r | |
219 | \r | |
220 | UINT16\r | |
221 | EFIAPI\r | |
222 | DxePcdGet16Ex (\r | |
223 | IN CONST EFI_GUID *Guid,\r | |
224 | IN UINTN ExTokenNumber\r | |
225 | )\r | |
226 | {\r | |
227 | return *((UINT16 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r | |
228 | }\r | |
229 | \r | |
230 | \r | |
231 | \r | |
232 | UINT32\r | |
233 | EFIAPI\r | |
234 | DxePcdGet32Ex (\r | |
235 | IN CONST EFI_GUID *Guid,\r | |
236 | IN UINTN ExTokenNumber\r | |
237 | )\r | |
238 | {\r | |
239 | return *((UINT32 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r | |
240 | }\r | |
241 | \r | |
242 | \r | |
243 | \r | |
244 | UINT64\r | |
245 | EFIAPI\r | |
246 | DxePcdGet64Ex (\r | |
247 | IN CONST EFI_GUID *Guid,\r | |
248 | IN UINTN ExTokenNumber\r | |
249 | )\r | |
250 | {\r | |
251 | //\r | |
252 | // BugBug: Must be changed to ReadUnaligned64\r | |
253 | //\r | |
254 | return *((UINT64 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r | |
255 | }\r | |
256 | \r | |
257 | \r | |
258 | \r | |
259 | VOID *\r | |
260 | EFIAPI\r | |
261 | DxePcdGetPtrEx (\r | |
262 | IN CONST EFI_GUID *Guid,\r | |
263 | IN UINTN ExTokenNumber\r | |
264 | )\r | |
265 | {\r | |
266 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
267 | }\r | |
268 | \r | |
269 | \r | |
270 | \r | |
271 | BOOLEAN\r | |
272 | EFIAPI\r | |
273 | DxePcdGetBoolEx (\r | |
274 | IN CONST EFI_GUID *Guid,\r | |
275 | IN UINTN ExTokenNumber\r | |
276 | )\r | |
277 | {\r | |
278 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r | |
279 | }\r | |
280 | \r | |
281 | \r | |
282 | \r | |
283 | UINTN\r | |
284 | EFIAPI\r | |
285 | DxePcdGetSizeEx (\r | |
286 | IN CONST EFI_GUID *Guid,\r | |
287 | IN UINTN ExTokenNumber\r | |
288 | )\r | |
289 | {\r | |
290 | EX_PCD_ENTRY_ATTRIBUTE Attr;\r | |
291 | \r | |
292 | GetExPcdTokenAttributes (Guid, ExTokenNumber, &Attr);\r | |
293 | \r | |
294 | return Attr.Size;\r | |
295 | }\r | |
296 | \r | |
297 | \r | |
298 | \r | |
299 | EFI_STATUS\r | |
300 | EFIAPI\r | |
301 | DxePcdSet8 (\r | |
302 | IN UINTN TokenNumber,\r | |
303 | IN UINT8 Value\r | |
304 | )\r | |
305 | {\r | |
306 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
307 | }\r | |
308 | \r | |
309 | \r | |
310 | \r | |
311 | EFI_STATUS\r | |
312 | EFIAPI\r | |
313 | DxePcdSet16 (\r | |
314 | IN UINTN TokenNumber,\r | |
315 | IN UINT16 Value\r | |
316 | )\r | |
317 | {\r | |
318 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
319 | }\r | |
320 | \r | |
321 | \r | |
322 | \r | |
323 | EFI_STATUS\r | |
324 | EFIAPI\r | |
325 | DxePcdSet32 (\r | |
326 | IN UINTN TokenNumber,\r | |
327 | IN UINT32 Value\r | |
328 | )\r | |
329 | {\r | |
330 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
331 | }\r | |
332 | \r | |
333 | \r | |
334 | \r | |
335 | EFI_STATUS\r | |
336 | EFIAPI\r | |
337 | DxePcdSet64 (\r | |
338 | IN UINTN TokenNumber,\r | |
339 | IN UINT64 Value\r | |
340 | )\r | |
341 | {\r | |
342 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
343 | }\r | |
344 | \r | |
345 | \r | |
346 | \r | |
347 | EFI_STATUS\r | |
348 | EFIAPI\r | |
349 | DxePcdSetPtr (\r | |
350 | IN UINTN TokenNumber,\r | |
351 | IN UINTN SizeOfBuffer,\r | |
352 | IN VOID *Buffer\r | |
353 | )\r | |
354 | {\r | |
355 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
356 | }\r | |
357 | \r | |
358 | \r | |
359 | \r | |
360 | EFI_STATUS\r | |
361 | EFIAPI\r | |
362 | DxePcdSetBool (\r | |
363 | IN UINTN TokenNumber,\r | |
364 | IN BOOLEAN Value\r | |
365 | )\r | |
366 | {\r | |
367 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
368 | }\r | |
369 | \r | |
370 | \r | |
371 | \r | |
372 | EFI_STATUS\r | |
373 | EFIAPI\r | |
374 | DxePcdSet8Ex (\r | |
375 | IN CONST EFI_GUID *Guid,\r | |
376 | IN UINTN ExTokenNumber,\r | |
377 | IN UINT8 Value\r | |
378 | )\r | |
379 | {\r | |
380 | return ExSetWorker(\r | |
381 | ExTokenNumber, \r | |
382 | Guid,\r | |
383 | &Value, \r | |
384 | sizeof (Value), \r | |
385 | FALSE\r | |
386 | );\r | |
387 | }\r | |
388 | \r | |
389 | \r | |
390 | \r | |
391 | EFI_STATUS\r | |
392 | EFIAPI\r | |
393 | DxePcdSet16Ex (\r | |
394 | IN CONST EFI_GUID *Guid,\r | |
395 | IN UINTN ExTokenNumber,\r | |
396 | IN UINT16 Value\r | |
397 | )\r | |
398 | {\r | |
399 | return ExSetWorker(\r | |
400 | ExTokenNumber, \r | |
401 | Guid,\r | |
402 | &Value, \r | |
403 | sizeof (Value), \r | |
404 | FALSE\r | |
405 | );\r | |
406 | }\r | |
407 | \r | |
408 | \r | |
409 | \r | |
410 | EFI_STATUS\r | |
411 | EFIAPI\r | |
412 | DxePcdSet32Ex (\r | |
413 | IN CONST EFI_GUID *Guid,\r | |
414 | IN UINTN ExTokenNumber,\r | |
415 | IN UINT32 Value\r | |
416 | )\r | |
417 | {\r | |
418 | return ExSetWorker(\r | |
419 | ExTokenNumber, \r | |
420 | Guid,\r | |
421 | &Value, \r | |
422 | sizeof (Value), \r | |
423 | FALSE\r | |
424 | );\r | |
425 | }\r | |
426 | \r | |
427 | \r | |
428 | \r | |
429 | EFI_STATUS\r | |
430 | EFIAPI\r | |
431 | DxePcdSet64Ex (\r | |
432 | IN CONST EFI_GUID *Guid,\r | |
433 | IN UINTN ExTokenNumber,\r | |
434 | IN UINT64 Value\r | |
435 | )\r | |
436 | {\r | |
437 | return ExSetWorker(\r | |
438 | ExTokenNumber, \r | |
439 | Guid,\r | |
440 | &Value, \r | |
441 | sizeof (Value), \r | |
442 | FALSE\r | |
443 | );\r | |
444 | }\r | |
445 | \r | |
446 | \r | |
447 | \r | |
448 | EFI_STATUS\r | |
449 | EFIAPI\r | |
450 | DxePcdSetPtrEx (\r | |
451 | IN CONST EFI_GUID *Guid,\r | |
452 | IN UINTN ExTokenNumber,\r | |
453 | IN UINTN SizeOfBuffer,\r | |
454 | IN VOID *Buffer\r | |
455 | )\r | |
456 | {\r | |
457 | return ExSetWorker(\r | |
458 | ExTokenNumber, \r | |
459 | Guid,\r | |
460 | Buffer, \r | |
461 | SizeOfBuffer, \r | |
462 | TRUE\r | |
463 | );\r | |
464 | }\r | |
465 | \r | |
466 | \r | |
467 | \r | |
468 | EFI_STATUS\r | |
469 | EFIAPI\r | |
470 | DxePcdSetBoolEx (\r | |
471 | IN CONST EFI_GUID *Guid,\r | |
472 | IN UINTN ExTokenNumber,\r | |
473 | IN BOOLEAN Value\r | |
474 | )\r | |
475 | {\r | |
476 | return ExSetWorker(\r | |
477 | ExTokenNumber, \r | |
478 | Guid,\r | |
479 | &Value, \r | |
480 | sizeof (Value), \r | |
481 | TRUE\r | |
482 | );\r | |
483 | }\r | |
484 | \r | |
485 | \r | |
486 | \r | |
487 | \r | |
488 | EFI_STATUS\r | |
489 | EFIAPI\r | |
490 | PcdRegisterCallBackOnSet (\r | |
491 | IN UINTN TokenNumber,\r | |
492 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
493 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
494 | )\r | |
495 | {\r | |
496 | return DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction, TRUE);\r | |
497 | }\r | |
498 | \r | |
499 | \r | |
500 | \r | |
501 | EFI_STATUS\r | |
502 | EFIAPI\r | |
503 | PcdUnRegisterCallBackOnSet (\r | |
504 | IN UINTN TokenNumber,\r | |
505 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
506 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
507 | )\r | |
508 | {\r | |
509 | return DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction, FALSE);\r | |
510 | }\r | |
511 | \r | |
512 | \r | |
513 | \r | |
514 | EFI_STATUS\r | |
515 | EFIAPI\r | |
516 | DxePcdGetNextToken (\r | |
517 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
518 | IN OUT UINTN *TokenNumber\r | |
519 | )\r | |
520 | {\r | |
521 | return DxeGetNextTokenWorker (TokenNumber, Guid);\r | |
522 | }\r | |
523 | \r |