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878ddf1f | 1 | /** @file\r |
2 | Implementation of PcdLib class library for PEI phase.\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation<BR>\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: PeiPcdLib.c\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
18 | \r | |
19 | \r | |
20 | /**\r | |
21 | The constructor function retrieve the PCD_PPI pointer.\r | |
22 | \r | |
23 | @param[in] VOID\r | |
24 | \r | |
25 | @retval PCD_PPI * The pointer to the PCD_PPI.\r | |
26 | \r | |
27 | **/\r | |
28 | PCD_PPI *\r | |
29 | GetPcdPpiPtr (\r | |
30 | VOID\r | |
31 | ) \r | |
32 | {\r | |
33 | EFI_STATUS Status;\r | |
34 | PCD_PPI *PcdPpi;\r | |
35 | EFI_PEI_SERVICES **PeiServices;\r | |
36 | \r | |
37 | \r | |
38 | PeiServices = GetPeiServicesTablePointer ();\r | |
39 | \r | |
40 | Status = (**PeiServices).LocatePpi (\r | |
41 | PeiServices,\r | |
42 | &gPcdPpiGuid,\r | |
43 | 0,\r | |
44 | NULL,\r | |
45 | (VOID **)&PcdPpi\r | |
46 | );\r | |
47 | \r | |
48 | ASSERT_EFI_ERROR (Status);\r | |
49 | \r | |
50 | return PcdPpi;\r | |
51 | }\r | |
52 | \r | |
53 | \r | |
54 | \r | |
55 | /**\r | |
56 | Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r | |
57 | \r | |
58 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r | |
59 | set values associated with a PCD token.\r | |
60 | \r | |
b16ef805 | 61 | @retval SKU_ID Return the SKU ID that just be set.\r |
878ddf1f | 62 | \r |
63 | **/\r | |
8a43e8dd | 64 | UINTN\r |
878ddf1f | 65 | EFIAPI\r |
66 | LibPcdSetSku (\r | |
8a43e8dd | 67 | IN UINTN SkuId\r |
878ddf1f | 68 | )\r |
69 | {\r | |
878ddf1f | 70 | \r |
b16ef805 | 71 | GetPcdPpiPtr()->SetSku (SkuId);;\r |
878ddf1f | 72 | \r |
73 | return SkuId;\r | |
74 | }\r | |
75 | \r | |
76 | \r | |
77 | \r | |
78 | /**\r | |
79 | Returns the 8-bit value for the token specified by TokenNumber. \r | |
80 | \r | |
81 | @param[in] The PCD token number to retrieve a current value for.\r | |
82 | \r | |
83 | @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber. \r | |
84 | \r | |
85 | **/\r | |
86 | UINT8\r | |
87 | EFIAPI\r | |
88 | LibPcdGet8 (\r | |
8a43e8dd | 89 | IN UINTN TokenNumber\r |
878ddf1f | 90 | )\r |
91 | {\r | |
92 | PCD_PPI * PcdPpi;\r | |
93 | \r | |
94 | PcdPpi = GetPcdPpiPtr ();\r | |
95 | \r | |
96 | return PcdPpi->Get8 (TokenNumber);\r | |
97 | }\r | |
98 | \r | |
99 | \r | |
100 | \r | |
101 | /**\r | |
102 | Returns the 16-bit value for the token specified by TokenNumber. \r | |
103 | \r | |
104 | @param[in] The PCD token number to retrieve a current value for.\r | |
105 | \r | |
106 | @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber. \r | |
107 | \r | |
108 | **/\r | |
109 | UINT16\r | |
110 | EFIAPI\r | |
111 | LibPcdGet16 (\r | |
8a43e8dd | 112 | IN UINTN TokenNumber\r |
878ddf1f | 113 | )\r |
114 | {\r | |
115 | PCD_PPI *PcdPpi;\r | |
116 | \r | |
117 | PcdPpi = GetPcdPpiPtr ();\r | |
118 | \r | |
119 | return PcdPpi->Get16 (TokenNumber);\r | |
120 | }\r | |
121 | \r | |
122 | \r | |
123 | \r | |
124 | /**\r | |
125 | Returns the 32-bit value for the token specified by TokenNumber. \r | |
126 | \r | |
127 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
128 | \r | |
129 | @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.\r | |
130 | \r | |
131 | **/\r | |
132 | UINT32\r | |
133 | EFIAPI\r | |
134 | LibPcdGet32 (\r | |
8a43e8dd | 135 | IN UINTN TokenNumber\r |
878ddf1f | 136 | )\r |
137 | {\r | |
138 | PCD_PPI * PcdPpi;\r | |
139 | \r | |
140 | PcdPpi = GetPcdPpiPtr ();\r | |
141 | \r | |
142 | return PcdPpi->Get32 (TokenNumber);\r | |
143 | }\r | |
144 | \r | |
145 | \r | |
146 | \r | |
147 | /**\r | |
148 | Returns the 64-bit value for the token specified by TokenNumber.\r | |
149 | \r | |
150 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
151 | \r | |
152 | @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.\r | |
153 | \r | |
154 | **/\r | |
155 | UINT64\r | |
156 | EFIAPI\r | |
157 | LibPcdGet64 (\r | |
8a43e8dd | 158 | IN UINTN TokenNumber\r |
878ddf1f | 159 | )\r |
160 | {\r | |
161 | PCD_PPI * PcdPpi;\r | |
162 | \r | |
163 | PcdPpi = GetPcdPpiPtr ();\r | |
164 | \r | |
165 | return PcdPpi->Get64 (TokenNumber);\r | |
166 | }\r | |
167 | \r | |
168 | \r | |
169 | \r | |
170 | /**\r | |
171 | Returns the pointer to the buffer of the token specified by TokenNumber.\r | |
172 | \r | |
173 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
174 | \r | |
175 | @retval VOID* Returns the pointer to the token specified by TokenNumber.\r | |
176 | \r | |
177 | **/\r | |
178 | VOID *\r | |
179 | EFIAPI\r | |
180 | LibPcdGetPtr (\r | |
8a43e8dd | 181 | IN UINTN TokenNumber\r |
878ddf1f | 182 | )\r |
183 | {\r | |
184 | PCD_PPI * PcdPpi;\r | |
185 | \r | |
186 | PcdPpi = GetPcdPpiPtr ();\r | |
187 | \r | |
188 | return PcdPpi->GetPtr (TokenNumber);\r | |
189 | }\r | |
190 | \r | |
191 | \r | |
192 | \r | |
193 | /**\r | |
194 | Returns the Boolean value of the token specified by TokenNumber. \r | |
195 | \r | |
196 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
197 | \r | |
198 | @retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber. \r | |
199 | \r | |
200 | **/\r | |
201 | BOOLEAN \r | |
202 | EFIAPI\r | |
203 | LibPcdGetBool (\r | |
8a43e8dd | 204 | IN UINTN TokenNumber\r |
878ddf1f | 205 | )\r |
206 | {\r | |
207 | PCD_PPI * PcdPpi;\r | |
208 | \r | |
209 | PcdPpi = GetPcdPpiPtr ();\r | |
210 | \r | |
211 | return PcdPpi->GetBool (TokenNumber);\r | |
212 | }\r | |
213 | \r | |
214 | \r | |
215 | \r | |
216 | /**\r | |
217 | Returns the size of the token specified by TokenNumber. \r | |
218 | \r | |
219 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
220 | \r | |
221 | @retval UINTN Returns the size of the token specified by TokenNumber. \r | |
222 | \r | |
223 | **/\r | |
224 | UINTN\r | |
225 | EFIAPI\r | |
226 | LibPcdGetSize (\r | |
8a43e8dd | 227 | IN UINTN TokenNumber\r |
878ddf1f | 228 | )\r |
229 | {\r | |
230 | PCD_PPI * PcdPpi;\r | |
231 | \r | |
232 | PcdPpi = GetPcdPpiPtr ();\r | |
233 | \r | |
234 | return PcdPpi->GetSize (TokenNumber);\r | |
235 | }\r | |
236 | \r | |
237 | \r | |
238 | \r | |
239 | /**\r | |
240 | Returns the 8-bit value for the token specified by TokenNumber and Guid.\r | |
241 | If Guid is NULL, then ASSERT(). \r | |
242 | \r | |
243 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
244 | which namespace to retrieve a value from.\r | |
245 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
246 | \r | |
247 | @retval UINT8 Return the UINT8.\r | |
248 | \r | |
249 | **/\r | |
250 | UINT8\r | |
251 | EFIAPI\r | |
252 | LibPcdGetEx8 (\r | |
253 | IN CONST GUID *Guid,\r | |
8a43e8dd | 254 | IN UINTN TokenNumber\r |
878ddf1f | 255 | )\r |
256 | {\r | |
257 | PCD_PPI * PcdPpi;\r | |
258 | \r | |
259 | PcdPpi = GetPcdPpiPtr ();\r | |
260 | \r | |
261 | return PcdPpi->Get8Ex (Guid, TokenNumber);\r | |
262 | }\r | |
263 | \r | |
264 | \r | |
265 | \r | |
266 | /**\r | |
267 | Returns the 16-bit value for the token specified by TokenNumber and Guid.\r | |
268 | If Guid is NULL, then ASSERT(). \r | |
269 | \r | |
270 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
271 | which namespace to retrieve a value from.\r | |
272 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
273 | \r | |
274 | @retval UINT16 Return the UINT16.\r | |
275 | \r | |
276 | **/\r | |
277 | UINT16\r | |
278 | EFIAPI\r | |
279 | LibPcdGetEx16 (\r | |
280 | IN CONST GUID *Guid,\r | |
8a43e8dd | 281 | IN UINTN TokenNumber\r |
878ddf1f | 282 | )\r |
283 | {\r | |
284 | PCD_PPI * PcdPpi;\r | |
285 | \r | |
286 | PcdPpi = GetPcdPpiPtr ();\r | |
287 | \r | |
288 | return PcdPpi->Get16Ex (Guid, TokenNumber);\r | |
289 | }\r | |
290 | \r | |
291 | \r | |
292 | \r | |
293 | /**\r | |
294 | Returns the 32-bit value for the token specified by TokenNumber and Guid.\r | |
295 | If Guid is NULL, then ASSERT(). \r | |
296 | \r | |
297 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
298 | which namespace to retrieve a value from.\r | |
299 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
300 | \r | |
301 | @retval UINT32 Return the UINT32.\r | |
302 | \r | |
303 | **/\r | |
304 | UINT32\r | |
305 | EFIAPI\r | |
306 | LibPcdGetEx32 (\r | |
307 | IN CONST GUID *Guid,\r | |
8a43e8dd | 308 | IN UINTN TokenNumber\r |
878ddf1f | 309 | )\r |
310 | {\r | |
311 | PCD_PPI * PcdPpi;\r | |
312 | \r | |
313 | PcdPpi = GetPcdPpiPtr ();\r | |
314 | \r | |
315 | return PcdPpi->Get32Ex (Guid, TokenNumber);\r | |
316 | }\r | |
317 | \r | |
318 | \r | |
319 | \r | |
320 | \r | |
321 | /**\r | |
322 | Returns the 64-bit value for the token specified by TokenNumber and Guid.\r | |
323 | If Guid is NULL, then ASSERT(). \r | |
324 | \r | |
325 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
326 | which namespace to retrieve a value from.\r | |
327 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
328 | \r | |
329 | @retval UINT64 Return the UINT64.\r | |
330 | \r | |
331 | **/\r | |
332 | UINT64\r | |
333 | EFIAPI\r | |
334 | LibPcdGetEx64 (\r | |
335 | IN CONST GUID *Guid,\r | |
8a43e8dd | 336 | IN UINTN TokenNumber\r |
878ddf1f | 337 | )\r |
338 | {\r | |
339 | PCD_PPI * PcdPpi;\r | |
340 | \r | |
341 | PcdPpi = GetPcdPpiPtr ();\r | |
342 | \r | |
343 | return PcdPpi->Get64Ex (Guid, TokenNumber);\r | |
344 | }\r | |
345 | \r | |
346 | \r | |
347 | \r | |
348 | /**\r | |
349 | Returns the pointer to the token specified by TokenNumber and Guid.\r | |
350 | If Guid is NULL, then ASSERT(). \r | |
351 | \r | |
352 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
353 | which namespace to retrieve a value from.\r | |
354 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
355 | \r | |
356 | @retval VOID* Return the VOID* pointer.\r | |
357 | \r | |
358 | **/\r | |
359 | VOID *\r | |
360 | EFIAPI\r | |
361 | LibPcdGetExPtr (\r | |
362 | IN CONST GUID *Guid,\r | |
8a43e8dd | 363 | IN UINTN TokenNumber\r |
878ddf1f | 364 | )\r |
365 | {\r | |
366 | PCD_PPI * PcdPpi;\r | |
367 | \r | |
368 | PcdPpi = GetPcdPpiPtr ();\r | |
369 | \r | |
370 | return PcdPpi->GetPtrEx (Guid, TokenNumber);\r | |
371 | }\r | |
372 | \r | |
373 | \r | |
374 | \r | |
375 | /**\r | |
376 | Returns the Boolean value of the token specified by TokenNumber and Guid. \r | |
377 | If Guid is NULL, then ASSERT(). \r | |
378 | \r | |
379 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
380 | which namespace to retrieve a value from.\r | |
381 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
382 | \r | |
383 | @retval BOOLEAN Return the BOOLEAN.\r | |
384 | \r | |
385 | **/\r | |
386 | BOOLEAN\r | |
387 | EFIAPI\r | |
388 | LibPcdGetExBool (\r | |
389 | IN CONST GUID *Guid,\r | |
8a43e8dd | 390 | IN UINTN TokenNumber\r |
878ddf1f | 391 | )\r |
392 | {\r | |
393 | PCD_PPI * PcdPpi;\r | |
394 | \r | |
395 | PcdPpi = GetPcdPpiPtr ();\r | |
396 | \r | |
397 | return PcdPpi->GetBoolEx (Guid, TokenNumber);\r | |
398 | }\r | |
399 | \r | |
400 | \r | |
401 | \r | |
402 | /**\r | |
403 | Returns the size of the token specified by TokenNumber and Guid. \r | |
404 | If Guid is NULL, then ASSERT(). \r | |
405 | \r | |
406 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
407 | which namespace to retrieve a value from.\r | |
408 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
409 | \r | |
410 | @retval UINTN Return the size.\r | |
411 | \r | |
412 | **/\r | |
413 | UINTN\r | |
414 | EFIAPI\r | |
415 | LibPcdGetExSize (\r | |
416 | IN CONST GUID *Guid,\r | |
8a43e8dd | 417 | IN UINTN TokenNumber\r |
878ddf1f | 418 | )\r |
419 | {\r | |
420 | PCD_PPI * PcdPpi;\r | |
421 | \r | |
422 | PcdPpi = GetPcdPpiPtr ();\r | |
423 | \r | |
424 | return PcdPpi->GetSizeEx (Guid, TokenNumber);\r | |
425 | }\r | |
426 | \r | |
427 | \r | |
428 | \r | |
429 | /**\r | |
430 | Sets the 8-bit value for the token specified by TokenNumber \r | |
431 | to the value specified by Value. Value is returned.\r | |
432 | \r | |
433 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
434 | @param[in] Value The 8-bit value to set.\r | |
435 | \r | |
436 | @retval UINT8 Return the value been set.\r | |
437 | \r | |
438 | **/\r | |
439 | UINT8\r | |
440 | EFIAPI\r | |
441 | LibPcdSet8 (\r | |
8a43e8dd | 442 | IN UINTN TokenNumber,\r |
878ddf1f | 443 | IN UINT8 Value\r |
444 | )\r | |
445 | {\r | |
446 | EFI_STATUS Status;\r | |
447 | PCD_PPI * PcdPpi;\r | |
448 | \r | |
449 | PcdPpi = GetPcdPpiPtr ();\r | |
450 | \r | |
451 | \r | |
452 | Status = PcdPpi->Set8 (TokenNumber, Value);\r | |
453 | \r | |
454 | ASSERT_EFI_ERROR (Status);\r | |
455 | \r | |
456 | return Value;\r | |
457 | }\r | |
458 | \r | |
459 | \r | |
460 | \r | |
461 | /**\r | |
462 | Sets the 16-bit value for the token specified by TokenNumber \r | |
463 | to the value specified by Value. Value is returned.\r | |
464 | \r | |
465 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
466 | @param[in] Value The 16-bit value to set.\r | |
467 | \r | |
468 | @retval UINT16 Return the value been set.\r | |
469 | \r | |
470 | **/\r | |
471 | UINT16\r | |
472 | EFIAPI\r | |
473 | LibPcdSet16 (\r | |
8a43e8dd | 474 | IN UINTN TokenNumber,\r |
878ddf1f | 475 | IN UINT16 Value\r |
476 | )\r | |
477 | {\r | |
478 | EFI_STATUS Status;\r | |
479 | PCD_PPI * PcdPpi;\r | |
480 | \r | |
481 | PcdPpi = GetPcdPpiPtr ();\r | |
482 | \r | |
483 | \r | |
484 | Status = PcdPpi->Set16 (TokenNumber, Value);\r | |
485 | \r | |
486 | ASSERT_EFI_ERROR (Status);\r | |
487 | \r | |
488 | return Value;\r | |
489 | }\r | |
490 | \r | |
491 | \r | |
492 | \r | |
493 | /**\r | |
494 | Sets the 32-bit value for the token specified by TokenNumber \r | |
495 | to the value specified by Value. Value is returned.\r | |
496 | \r | |
497 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
498 | @param[in] Value The 32-bit value to set.\r | |
499 | \r | |
500 | @retval UINT32 Return the value been set.\r | |
501 | \r | |
502 | **/\r | |
503 | UINT32\r | |
504 | EFIAPI\r | |
505 | LibPcdSet32 (\r | |
8a43e8dd | 506 | IN UINTN TokenNumber,\r |
878ddf1f | 507 | IN UINT32 Value\r |
508 | )\r | |
509 | {\r | |
510 | EFI_STATUS Status;\r | |
511 | PCD_PPI * PcdPpi;\r | |
512 | \r | |
513 | PcdPpi = GetPcdPpiPtr ();\r | |
514 | \r | |
515 | Status = PcdPpi->Set32 (TokenNumber, Value);\r | |
516 | \r | |
517 | ASSERT_EFI_ERROR (Status);\r | |
518 | \r | |
519 | return Value;\r | |
520 | }\r | |
521 | \r | |
522 | \r | |
523 | \r | |
524 | /**\r | |
525 | Sets the 64-bit value for the token specified by TokenNumber \r | |
526 | to the value specified by Value. Value is returned.\r | |
527 | \r | |
528 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
529 | @param[in] Value The 64-bit value to set.\r | |
530 | \r | |
531 | @retval UINT64 Return the value been set.\r | |
532 | \r | |
533 | **/\r | |
534 | UINT64\r | |
535 | EFIAPI\r | |
536 | LibPcdSet64 (\r | |
8a43e8dd | 537 | IN UINTN TokenNumber,\r |
878ddf1f | 538 | IN UINT64 Value\r |
539 | )\r | |
540 | {\r | |
541 | EFI_STATUS Status;\r | |
542 | PCD_PPI * PcdPpi;\r | |
543 | \r | |
544 | PcdPpi = GetPcdPpiPtr ();\r | |
545 | \r | |
546 | \r | |
547 | Status = PcdPpi->Set64 (TokenNumber, Value);\r | |
548 | \r | |
549 | ASSERT_EFI_ERROR (Status);\r | |
550 | \r | |
551 | return Value;\r | |
552 | }\r | |
553 | \r | |
554 | \r | |
555 | \r | |
556 | /**\r | |
557 | Sets a buffer for the token specified by TokenNumber to \r | |
4276d5da | 558 | the value specified by Buffer and SizeOfValue. Buffer to\r |
559 | be set is returned. The content of the buffer could be \r | |
560 | overwritten if a Callback on SET is registered with this\r | |
561 | TokenNumber.\r | |
562 | \r | |
563 | If SizeOfValue is greater than the maximum \r | |
564 | size support by TokenNumber, then set SizeOfValue to the \r | |
565 | maximum size supported by TokenNumber and return NULL to \r | |
566 | indicate that the set operation was not actually performed. \r | |
567 | \r | |
568 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r | |
878ddf1f | 569 | \r |
570 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
4276d5da | 571 | @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.\r |
878ddf1f | 572 | @param[in] Value A pointer to the buffer to set.\r |
573 | \r | |
574 | @retval VOID* Return the pointer for the buffer been set.\r | |
575 | \r | |
576 | **/\r | |
577 | VOID *\r | |
578 | EFIAPI\r | |
579 | LibPcdSetPtr (\r | |
4276d5da | 580 | IN UINTN TokenNumber,\r |
581 | IN OUT UINTN *SizeOfBuffer,\r | |
582 | IN VOID *Buffer\r | |
878ddf1f | 583 | )\r |
584 | {\r | |
585 | EFI_STATUS Status;\r | |
4276d5da | 586 | PCD_PPI *PcdPpi;\r |
587 | UINTN Size;\r | |
878ddf1f | 588 | \r |
589 | PcdPpi = GetPcdPpiPtr ();\r | |
4276d5da | 590 | \r |
591 | ASSERT ((*SizeOfBuffer > 0) && Buffer == NULL);\r | |
878ddf1f | 592 | \r |
4276d5da | 593 | Size = LibPcdGetSize (TokenNumber);\r |
594 | \r | |
595 | if (*SizeOfBuffer > Size) {\r | |
596 | *SizeOfBuffer = Size;\r | |
597 | return NULL;\r | |
598 | }\r | |
878ddf1f | 599 | \r |
4276d5da | 600 | Status = PcdPpi->SetPtr (TokenNumber, *SizeOfBuffer, Buffer);\r |
878ddf1f | 601 | \r |
602 | ASSERT_EFI_ERROR (Status);\r | |
603 | \r | |
b16ef805 | 604 | return Buffer;\r |
878ddf1f | 605 | }\r |
606 | \r | |
607 | \r | |
608 | \r | |
609 | /**\r | |
610 | Sets the Boolean value for the token specified by TokenNumber \r | |
611 | to the value specified by Value. Value is returned.\r | |
612 | \r | |
613 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
614 | @param[in] Value The boolean value to set.\r | |
615 | \r | |
616 | @retval BOOLEAN Return the value been set.\r | |
617 | \r | |
618 | **/\r | |
619 | BOOLEAN\r | |
620 | EFIAPI\r | |
621 | LibPcdSetBool (\r | |
8a43e8dd | 622 | IN UINTN TokenNumber,\r |
878ddf1f | 623 | IN BOOLEAN Value\r |
624 | )\r | |
625 | {\r | |
626 | EFI_STATUS Status;\r | |
627 | PCD_PPI * PcdPpi;\r | |
628 | \r | |
629 | PcdPpi = GetPcdPpiPtr ();\r | |
630 | \r | |
631 | \r | |
632 | Status = PcdPpi->SetBool (TokenNumber, Value);\r | |
633 | \r | |
634 | ASSERT_EFI_ERROR (Status);\r | |
635 | \r | |
636 | return Value;\r | |
637 | }\r | |
638 | \r | |
639 | \r | |
640 | \r | |
641 | /**\r | |
642 | Sets the 8-bit value for the token specified by TokenNumber and \r | |
643 | Guid to the value specified by Value. Value is returned.\r | |
644 | If Guid is NULL, then ASSERT().\r | |
645 | \r | |
646 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
647 | designates which namespace to set a value from.\r | |
648 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
649 | @param[in] Value The 8-bit value to set.\r | |
650 | \r | |
651 | @retval UINT8 Return the value been set.\r | |
652 | \r | |
653 | **/\r | |
654 | UINT8\r | |
655 | EFIAPI\r | |
656 | LibPcdSetEx8 (\r | |
657 | IN CONST GUID *Guid,\r | |
8a43e8dd | 658 | IN UINTN TokenNumber,\r |
878ddf1f | 659 | IN UINT8 Value\r |
660 | )\r | |
661 | {\r | |
662 | EFI_STATUS Status;\r | |
663 | PCD_PPI * PcdPpi;\r | |
664 | \r | |
665 | PcdPpi = GetPcdPpiPtr ();\r | |
666 | \r | |
667 | \r | |
668 | Status = PcdPpi->Set8Ex (Guid, TokenNumber, Value);\r | |
669 | \r | |
670 | ASSERT_EFI_ERROR (Status);\r | |
671 | \r | |
672 | return Value;\r | |
673 | }\r | |
674 | \r | |
675 | \r | |
676 | \r | |
677 | /**\r | |
678 | Sets the 16-bit value for the token specified by TokenNumber and \r | |
679 | Guid to the value specified by Value. Value is returned.\r | |
680 | If Guid is NULL, then ASSERT().\r | |
681 | \r | |
682 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
683 | designates which namespace to set a value from.\r | |
684 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
685 | @param[in] Value The 16-bit value to set.\r | |
686 | \r | |
687 | @retval UINT8 Return the value been set.\r | |
688 | \r | |
689 | **/\r | |
690 | UINT16\r | |
691 | EFIAPI\r | |
692 | LibPcdSetEx16 (\r | |
693 | IN CONST GUID *Guid,\r | |
8a43e8dd | 694 | IN UINTN TokenNumber,\r |
878ddf1f | 695 | IN UINT16 Value\r |
696 | )\r | |
697 | {\r | |
698 | EFI_STATUS Status;\r | |
699 | PCD_PPI * PcdPpi;\r | |
700 | \r | |
701 | PcdPpi = GetPcdPpiPtr ();\r | |
702 | \r | |
703 | \r | |
704 | Status = PcdPpi->Set16Ex (Guid, TokenNumber, Value);\r | |
705 | \r | |
706 | ASSERT_EFI_ERROR (Status);\r | |
707 | \r | |
708 | return Value;\r | |
709 | }\r | |
710 | \r | |
711 | \r | |
712 | \r | |
713 | /**\r | |
714 | Sets the 32-bit value for the token specified by TokenNumber and \r | |
715 | Guid to the value specified by Value. Value is returned.\r | |
716 | If Guid is NULL, then ASSERT().\r | |
717 | \r | |
718 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
719 | designates which namespace to set a value from.\r | |
720 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
721 | @param[in] Value The 32-bit value to set.\r | |
722 | \r | |
723 | @retval UINT32 Return the value been set.\r | |
724 | \r | |
725 | **/\r | |
726 | UINT32\r | |
727 | EFIAPI\r | |
728 | LibPcdSetEx32 (\r | |
729 | IN CONST GUID *Guid,\r | |
8a43e8dd | 730 | IN UINTN TokenNumber,\r |
878ddf1f | 731 | IN UINT32 Value\r |
732 | )\r | |
733 | {\r | |
734 | EFI_STATUS Status;\r | |
735 | PCD_PPI * PcdPpi;\r | |
736 | \r | |
737 | PcdPpi = GetPcdPpiPtr ();\r | |
738 | \r | |
739 | \r | |
740 | Status = PcdPpi->Set32Ex (Guid, TokenNumber, Value);\r | |
741 | \r | |
742 | ASSERT_EFI_ERROR (Status);\r | |
743 | \r | |
744 | return Value;\r | |
745 | }\r | |
746 | \r | |
747 | \r | |
748 | \r | |
749 | /**\r | |
750 | Sets the 64-bit value for the token specified by TokenNumber and \r | |
751 | Guid to the value specified by Value. Value is returned.\r | |
752 | If Guid is NULL, then ASSERT().\r | |
753 | \r | |
754 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
755 | designates which namespace to set a value from.\r | |
756 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
757 | @param[in] Value The 64-bit value to set.\r | |
758 | \r | |
759 | @retval UINT64 Return the value been set.\r | |
760 | \r | |
761 | **/\r | |
762 | UINT64\r | |
763 | EFIAPI\r | |
764 | LibPcdSetEx64 (\r | |
765 | IN CONST GUID *Guid,\r | |
8a43e8dd | 766 | IN UINTN TokenNumber,\r |
878ddf1f | 767 | IN UINT64 Value\r |
768 | )\r | |
769 | {\r | |
770 | EFI_STATUS Status;\r | |
771 | PCD_PPI * PcdPpi;\r | |
772 | \r | |
773 | PcdPpi = GetPcdPpiPtr ();\r | |
774 | \r | |
775 | \r | |
776 | Status = PcdPpi->Set64Ex (Guid, TokenNumber, Value);\r | |
777 | \r | |
778 | ASSERT_EFI_ERROR (Status);\r | |
779 | \r | |
780 | return Value;\r | |
781 | }\r | |
782 | \r | |
783 | \r | |
784 | \r | |
785 | /**\r | |
4276d5da | 786 | Sets a buffer for the token specified by TokenNumber to the value specified by \r |
787 | Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r | |
788 | the maximum size support by TokenNumber, then set SizeOfValue to the maximum size \r | |
789 | supported by TokenNumber and return NULL to indicate that the set operation \r | |
790 | was not actually performed. \r | |
791 | \r | |
792 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r | |
878ddf1f | 793 | \r |
794 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
795 | designates which namespace to set a value from.\r | |
796 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
4276d5da | 797 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r |
798 | @param[in] Buffer A pointer to the buffer to set.\r | |
878ddf1f | 799 | \r |
4276d5da | 800 | @retval VOID * Return the pinter to the buffer been set.\r |
878ddf1f | 801 | \r |
802 | **/\r | |
803 | VOID *\r | |
804 | EFIAPI\r | |
805 | LibPcdSetExPtr (\r | |
4276d5da | 806 | IN CONST GUID *Guid,\r |
807 | IN UINTN TokenNumber,\r | |
808 | IN OUT UINTN *SizeOfBuffer,\r | |
809 | IN VOID *Buffer\r | |
878ddf1f | 810 | )\r |
811 | {\r | |
4276d5da | 812 | EFI_STATUS Status;\r |
813 | PCD_PPI *PcdPpi;\r | |
814 | UINTN Size;\r | |
878ddf1f | 815 | \r |
816 | PcdPpi = GetPcdPpiPtr ();\r | |
817 | \r | |
4276d5da | 818 | Size = LibPcdGetExSize (Guid, TokenNumber);\r |
819 | if (*SizeOfBuffer > Size) {\r | |
820 | *SizeOfBuffer = Size;\r | |
821 | return NULL;\r | |
822 | }\r | |
823 | \r | |
824 | Status = PcdPpi->SetPtrEx (Guid, TokenNumber, *SizeOfBuffer, Buffer);\r | |
878ddf1f | 825 | \r |
826 | ASSERT_EFI_ERROR (Status);\r | |
827 | \r | |
b16ef805 | 828 | return Buffer;\r |
878ddf1f | 829 | }\r |
830 | \r | |
831 | \r | |
832 | \r | |
833 | /**\r | |
834 | Sets the Boolean value for the token specified by TokenNumber and \r | |
835 | Guid to the value specified by Value. Value is returned.\r | |
836 | If Guid is NULL, then ASSERT().\r | |
837 | \r | |
838 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
839 | designates which namespace to set a value from.\r | |
840 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
841 | @param[in] Value The Boolean value to set.\r | |
842 | \r | |
843 | @retval Boolean Return the value been set.\r | |
844 | \r | |
845 | **/\r | |
846 | BOOLEAN\r | |
847 | EFIAPI\r | |
848 | LibPcdSetExBool (\r | |
849 | IN CONST GUID *Guid,\r | |
8a43e8dd | 850 | IN UINTN TokenNumber,\r |
878ddf1f | 851 | IN BOOLEAN Value\r |
852 | )\r | |
853 | {\r | |
854 | EFI_STATUS Status;\r | |
855 | PCD_PPI * PcdPpi;\r | |
856 | \r | |
857 | PcdPpi = GetPcdPpiPtr ();\r | |
858 | \r | |
859 | \r | |
860 | Status = PcdPpi->SetBoolEx (Guid, TokenNumber, Value);\r | |
861 | \r | |
862 | ASSERT_EFI_ERROR (Status);\r | |
863 | \r | |
864 | return Value;\r | |
865 | }\r | |
866 | \r | |
867 | \r | |
868 | \r | |
869 | /**\r | |
870 | When the token specified by TokenNumber and Guid is set, \r | |
871 | then notification function specified by NotificationFunction is called. \r | |
872 | If Guid is NULL, then the default token space is used. \r | |
873 | If NotificationFunction is NULL, then ASSERT().\r | |
874 | \r | |
875 | @param[in] Guid Pointer to a 128-bit unique value that designates which \r | |
876 | namespace to set a value from. If NULL, then the default \r | |
877 | token space is used.\r | |
878 | @param[in] TokenNumber The PCD token number to monitor.\r | |
879 | @param[in] NotificationFunction The function to call when the token \r | |
880 | specified by Guid and TokenNumber is set.\r | |
881 | \r | |
882 | @retval VOID\r | |
883 | \r | |
884 | **/\r | |
885 | VOID\r | |
886 | EFIAPI\r | |
887 | LibPcdCallbackOnSet (\r | |
888 | IN CONST GUID *Guid, OPTIONAL\r | |
8a43e8dd | 889 | IN UINTN TokenNumber,\r |
878ddf1f | 890 | IN PCD_CALLBACK NotificationFunction\r |
891 | )\r | |
892 | {\r | |
893 | EFI_STATUS Status;\r | |
894 | PCD_PPI * PcdPpi;\r | |
895 | \r | |
896 | PcdPpi = GetPcdPpiPtr ();\r | |
897 | \r | |
898 | \r | |
899 | Status = PcdPpi->CallbackOnSet (TokenNumber, Guid, NotificationFunction);\r | |
900 | \r | |
901 | ASSERT_EFI_ERROR (Status);\r | |
902 | \r | |
903 | return;\r | |
904 | }\r | |
905 | \r | |
906 | \r | |
907 | \r | |
908 | /**\r | |
909 | Disable a notification function that was established with LibPcdCallbackonSet().\r | |
910 | If NotificationFunction is NULL, then ASSERT().\r | |
911 | \r | |
912 | @param[in] Guid Specify the GUID token space.\r | |
913 | @param[in] TokenNumber Specify the token number.\r | |
914 | @param[in] NotificationFunction The callback function to be unregistered.\r | |
915 | \r | |
916 | @retval VOID\r | |
917 | \r | |
918 | **/\r | |
919 | VOID\r | |
920 | EFIAPI\r | |
921 | LibPcdCancelCallback (\r | |
922 | IN CONST GUID *Guid, OPTIONAL\r | |
8a43e8dd | 923 | IN UINTN TokenNumber,\r |
878ddf1f | 924 | IN PCD_CALLBACK NotificationFunction\r |
925 | )\r | |
926 | {\r | |
927 | EFI_STATUS Status;\r | |
928 | PCD_PPI * PcdPpi;\r | |
929 | \r | |
930 | PcdPpi = GetPcdPpiPtr ();\r | |
931 | \r | |
932 | \r | |
933 | Status = PcdPpi->CancelCallback (TokenNumber, Guid, NotificationFunction);\r | |
934 | \r | |
935 | ASSERT_EFI_ERROR (Status);\r | |
936 | \r | |
937 | return;\r | |
938 | }\r | |
939 | \r | |
940 | \r | |
941 | \r | |
942 | /**\r | |
943 | Retrieves the next PCD token number from the token space specified by Guid. \r | |
944 | If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r | |
945 | then the first token number is returned. Otherwise, the token number that \r | |
946 | follows TokenNumber in the token space is returned. If TokenNumber is the last \r | |
947 | token number in the token space, then 0 is returned. If TokenNumber is not 0 and \r | |
948 | is not in the token space specified by Guid, then ASSERT().\r | |
949 | \r | |
950 | @param[in] Pointer to a 128-bit unique value that designates which namespace \r | |
951 | to set a value from. If NULL, then the default token space is used.\r | |
952 | @param[in] The previous PCD token number. If 0, then retrieves the first PCD \r | |
953 | token number.\r | |
954 | \r | |
8a43e8dd | 955 | @retval UINTN The next valid token number.\r |
878ddf1f | 956 | \r |
957 | **/\r | |
8a43e8dd | 958 | UINTN \r |
878ddf1f | 959 | EFIAPI\r |
960 | LibPcdGetNextToken (\r | |
961 | IN CONST GUID *Guid, OPTIONAL\r | |
8a43e8dd | 962 | IN UINTN TokenNumber\r |
878ddf1f | 963 | )\r |
964 | {\r | |
965 | EFI_STATUS Status;\r | |
966 | PCD_PPI * PcdPpi;\r | |
967 | \r | |
968 | PcdPpi = GetPcdPpiPtr ();\r | |
969 | \r | |
970 | \r | |
b16ef805 | 971 | Status = PcdPpi->GetNextToken (Guid, &TokenNumber);\r |
878ddf1f | 972 | \r |
973 | ASSERT_EFI_ERROR (Status);\r | |
974 | \r | |
b16ef805 | 975 | return TokenNumber;\r |
878ddf1f | 976 | }\r |
4276d5da | 977 | \r |
978 | \r | |
979 | /**\r | |
980 | Retrieves the next PCD token space from a token space specified by Guid.\r | |
981 | Guid of NULL is reserved to mark the default local token namespace on the current\r | |
982 | platform. If Guid is NULL, then the GUID of the first non-local token space of the \r | |
983 | current platform is returned. If Guid is the last non-local token space, \r | |
984 | then NULL is returned. \r | |
985 | \r | |
986 | If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r | |
987 | \r | |
988 | \r | |
989 | \r | |
990 | @param[in] Pointer to a 128-bit unique value that designates from which namespace \r | |
991 | to start the search.\r | |
992 | \r | |
993 | @retval CONST GUID * The next valid token namespace.\r | |
994 | \r | |
995 | **/\r | |
996 | CONST GUID* \r | |
997 | EFIAPI\r | |
998 | LibPcdGetNextTokenSpace (\r | |
999 | IN CONST GUID *Guid\r | |
1000 | )\r | |
1001 | {\r | |
1002 | EFI_STATUS Status;\r | |
1003 | PCD_PPI * PcdPpi;\r | |
1004 | \r | |
1005 | PcdPpi = GetPcdPpiPtr ();\r | |
1006 | \r | |
1007 | \r | |
1008 | Status = PcdPpi->GetNextTokenSpace (&Guid);\r | |
1009 | \r | |
1010 | ASSERT_EFI_ERROR (Status);\r | |
1011 | \r | |
1012 | return Guid;\r | |
1013 | }\r | |
1014 | \r |