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e386b444 | 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 | |
e386b444 | 14 | **/\r |
15 | \r | |
16 | \r | |
17 | \r | |
c892d846 | 18 | \r |
c7d265a9 | 19 | #include <PiPei.h>\r |
c892d846 | 20 | \r |
c7d265a9 | 21 | #include <Ppi/Pcd.h>\r |
c892d846 | 22 | \r |
1c280088 | 23 | #include <Library/PeiServicesLib.h>\r |
c7d265a9 | 24 | #include <Library/PcdLib.h>\r |
25 | #include <Library/DebugLib.h>\r | |
26 | #include <Library/PeiServicesTablePointerLib.h>\r | |
27 | #include <Library/BaseMemoryLib.h>\r | |
e386b444 | 28 | \r |
29 | /**\r | |
a72bd1ec | 30 | Retrieve the PCD_PPI pointer.\r |
e386b444 | 31 | \r |
a72bd1ec | 32 | This function is to locate PCD_PPI PPI via PeiService. \r |
33 | If fail to locate PCD_PPI, then ASSERT_EFI_ERROR().\r | |
34 | \r | |
e386b444 | 35 | @retval PCD_PPI * The pointer to the PCD_PPI.\r |
36 | \r | |
37 | **/\r | |
e386b444 | 38 | PCD_PPI *\r |
a72bd1ec | 39 | GetPcdPpiPointer (\r |
e386b444 | 40 | VOID\r |
41 | ) \r | |
42 | {\r | |
43 | EFI_STATUS Status;\r | |
44 | PCD_PPI *PcdPpi;\r | |
1c280088 | 45 | \r |
46 | Status = PeiServicesLocatePpi (&gPcdPpiGuid, 0, NULL, (VOID **)&PcdPpi);\r | |
e386b444 | 47 | ASSERT_EFI_ERROR (Status);\r |
48 | \r | |
49 | return PcdPpi;\r | |
50 | }\r | |
51 | \r | |
e386b444 | 52 | /**\r |
53 | Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r | |
a72bd1ec | 54 | If SkuId not less than PCD_MAX_SKU_ID, then ASSERT().\r |
55 | \r | |
56 | @param[in] System sku id. The SKU value that will be used when the PCD service will retrieve and \r | |
57 | set values.\r | |
e386b444 | 58 | \r |
f73e0ad2 | 59 | @return Return the SKU ID that just be set.\r |
e386b444 | 60 | \r |
61 | **/\r | |
62 | UINTN\r | |
63 | EFIAPI\r | |
64 | LibPcdSetSku (\r | |
65 | IN UINTN SkuId\r | |
66 | )\r | |
67 | {\r | |
68 | \r | |
a72bd1ec | 69 | ASSERT (SkuId < PCD_MAX_SKU_ID);\r |
e386b444 | 70 | \r |
a72bd1ec | 71 | GetPcdPpiPointer()->SetSku (SkuId);\r |
e386b444 | 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 | |
63e4dba9 | 81 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
e386b444 | 82 | \r |
f73e0ad2 | 83 | @return Returns the 8-bit value for the token specified by TokenNumber. \r |
e386b444 | 84 | \r |
85 | **/\r | |
86 | UINT8\r | |
87 | EFIAPI\r | |
88 | LibPcdGet8 (\r | |
89 | IN UINTN TokenNumber\r | |
90 | )\r | |
91 | {\r | |
a72bd1ec | 92 | return (GetPcdPpiPointer ())->Get8 (TokenNumber);\r |
e386b444 | 93 | }\r |
94 | \r | |
95 | \r | |
96 | \r | |
97 | /**\r | |
98 | Returns the 16-bit value for the token specified by TokenNumber. \r | |
99 | \r | |
63e4dba9 | 100 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
e386b444 | 101 | \r |
f73e0ad2 | 102 | @return Returns the 16-bit value for the token specified by TokenNumber. \r |
e386b444 | 103 | \r |
104 | **/\r | |
105 | UINT16\r | |
106 | EFIAPI\r | |
107 | LibPcdGet16 (\r | |
108 | IN UINTN TokenNumber\r | |
109 | )\r | |
110 | {\r | |
a72bd1ec | 111 | return (GetPcdPpiPointer ())->Get16 (TokenNumber);\r |
e386b444 | 112 | }\r |
113 | \r | |
114 | \r | |
115 | \r | |
116 | /**\r | |
117 | Returns the 32-bit value for the token specified by TokenNumber. \r | |
118 | \r | |
119 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
120 | \r | |
f73e0ad2 | 121 | @return Returns the 32-bit value for the token specified by TokenNumber.\r |
e386b444 | 122 | \r |
123 | **/\r | |
124 | UINT32\r | |
125 | EFIAPI\r | |
126 | LibPcdGet32 (\r | |
127 | IN UINTN TokenNumber\r | |
128 | )\r | |
129 | {\r | |
a72bd1ec | 130 | return (GetPcdPpiPointer ())->Get32 (TokenNumber);\r |
e386b444 | 131 | }\r |
132 | \r | |
133 | \r | |
134 | \r | |
135 | /**\r | |
136 | Returns the 64-bit value for the token specified by TokenNumber.\r | |
137 | \r | |
138 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
139 | \r | |
f73e0ad2 | 140 | @return Returns the 64-bit value for the token specified by TokenNumber.\r |
e386b444 | 141 | \r |
142 | **/\r | |
143 | UINT64\r | |
144 | EFIAPI\r | |
145 | LibPcdGet64 (\r | |
146 | IN UINTN TokenNumber\r | |
147 | )\r | |
148 | {\r | |
a72bd1ec | 149 | return (GetPcdPpiPointer ())->Get64 (TokenNumber);\r |
e386b444 | 150 | }\r |
151 | \r | |
152 | \r | |
153 | \r | |
154 | /**\r | |
155 | Returns the pointer to the buffer of the token specified by TokenNumber.\r | |
156 | \r | |
157 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
158 | \r | |
f73e0ad2 | 159 | @return Returns the pointer to the token specified by TokenNumber.\r |
e386b444 | 160 | \r |
161 | **/\r | |
162 | VOID *\r | |
163 | EFIAPI\r | |
164 | LibPcdGetPtr (\r | |
165 | IN UINTN TokenNumber\r | |
166 | )\r | |
167 | {\r | |
a72bd1ec | 168 | return (GetPcdPpiPointer ())->GetPtr (TokenNumber);\r |
e386b444 | 169 | }\r |
170 | \r | |
171 | \r | |
172 | \r | |
173 | /**\r | |
174 | Returns the Boolean value of the token specified by TokenNumber. \r | |
175 | \r | |
176 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
177 | \r | |
f73e0ad2 | 178 | @return Returns the Boolean value of the token specified by TokenNumber. \r |
e386b444 | 179 | \r |
180 | **/\r | |
181 | BOOLEAN \r | |
182 | EFIAPI\r | |
183 | LibPcdGetBool (\r | |
184 | IN UINTN TokenNumber\r | |
185 | )\r | |
186 | {\r | |
a72bd1ec | 187 | return (GetPcdPpiPointer ())->GetBool (TokenNumber);\r |
e386b444 | 188 | }\r |
189 | \r | |
190 | \r | |
191 | \r | |
192 | /**\r | |
193 | Returns the size of the token specified by TokenNumber. \r | |
194 | \r | |
195 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
196 | \r | |
f73e0ad2 | 197 | @return Returns the size of the token specified by TokenNumber. \r |
e386b444 | 198 | \r |
199 | **/\r | |
200 | UINTN\r | |
201 | EFIAPI\r | |
202 | LibPcdGetSize (\r | |
203 | IN UINTN TokenNumber\r | |
204 | )\r | |
205 | {\r | |
a72bd1ec | 206 | return (GetPcdPpiPointer ())->GetSize (TokenNumber);\r |
e386b444 | 207 | }\r |
208 | \r | |
209 | \r | |
210 | \r | |
211 | /**\r | |
212 | Returns the 8-bit value for the token specified by TokenNumber and Guid.\r | |
213 | If Guid is NULL, then ASSERT(). \r | |
214 | \r | |
215 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
216 | which namespace to retrieve a value from.\r | |
217 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
218 | \r | |
f73e0ad2 | 219 | @return Return the UINT8.\r |
e386b444 | 220 | \r |
221 | **/\r | |
222 | UINT8\r | |
223 | EFIAPI\r | |
224 | LibPcdGetEx8 (\r | |
225 | IN CONST GUID *Guid,\r | |
226 | IN UINTN TokenNumber\r | |
227 | )\r | |
228 | {\r | |
e386b444 | 229 | ASSERT (Guid != NULL);\r |
230 | \r | |
a72bd1ec | 231 | return (GetPcdPpiPointer ())->Get8Ex (Guid, TokenNumber);\r |
e386b444 | 232 | }\r |
233 | \r | |
234 | \r | |
235 | \r | |
236 | /**\r | |
237 | Returns the 16-bit value for the token specified by TokenNumber and Guid.\r | |
238 | If Guid is NULL, then ASSERT(). \r | |
239 | \r | |
240 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
241 | which namespace to retrieve a value from.\r | |
242 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
243 | \r | |
f73e0ad2 | 244 | @return Return the UINT16.\r |
e386b444 | 245 | \r |
246 | **/\r | |
247 | UINT16\r | |
248 | EFIAPI\r | |
249 | LibPcdGetEx16 (\r | |
250 | IN CONST GUID *Guid,\r | |
251 | IN UINTN TokenNumber\r | |
252 | )\r | |
253 | {\r | |
e386b444 | 254 | \r |
255 | ASSERT (Guid != NULL);\r | |
256 | \r | |
a72bd1ec | 257 | return (GetPcdPpiPointer ())->Get16Ex (Guid, TokenNumber);\r |
e386b444 | 258 | }\r |
259 | \r | |
260 | \r | |
261 | \r | |
262 | /**\r | |
263 | Returns the 32-bit value for the token specified by TokenNumber and Guid.\r | |
264 | If Guid is NULL, then ASSERT(). \r | |
265 | \r | |
266 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
267 | which namespace to retrieve a value from.\r | |
268 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
269 | \r | |
f73e0ad2 | 270 | @return Return the UINT32.\r |
e386b444 | 271 | \r |
272 | **/\r | |
273 | UINT32\r | |
274 | EFIAPI\r | |
275 | LibPcdGetEx32 (\r | |
276 | IN CONST GUID *Guid,\r | |
277 | IN UINTN TokenNumber\r | |
278 | )\r | |
279 | {\r | |
e386b444 | 280 | ASSERT (Guid != NULL);\r |
281 | \r | |
a72bd1ec | 282 | return (GetPcdPpiPointer ())->Get32Ex (Guid, TokenNumber);\r |
e386b444 | 283 | }\r |
284 | \r | |
285 | \r | |
286 | \r | |
287 | \r | |
288 | /**\r | |
289 | Returns the 64-bit value for the token specified by TokenNumber and Guid.\r | |
290 | If Guid is NULL, then ASSERT(). \r | |
291 | \r | |
292 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
293 | which namespace to retrieve a value from.\r | |
294 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
295 | \r | |
f73e0ad2 | 296 | @return Return the UINT64.\r |
e386b444 | 297 | \r |
298 | **/\r | |
299 | UINT64\r | |
300 | EFIAPI\r | |
301 | LibPcdGetEx64 (\r | |
302 | IN CONST GUID *Guid,\r | |
303 | IN UINTN TokenNumber\r | |
304 | )\r | |
305 | {\r | |
e386b444 | 306 | ASSERT (Guid != NULL);\r |
a72bd1ec | 307 | return (GetPcdPpiPointer ())->Get64Ex (Guid, TokenNumber);\r |
e386b444 | 308 | }\r |
309 | \r | |
310 | \r | |
311 | \r | |
312 | /**\r | |
313 | Returns the pointer to the token specified by TokenNumber and Guid.\r | |
314 | If Guid is NULL, then ASSERT(). \r | |
315 | \r | |
316 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
317 | which namespace to retrieve a value from.\r | |
318 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
319 | \r | |
f73e0ad2 | 320 | @return Return the VOID* pointer.\r |
e386b444 | 321 | \r |
322 | **/\r | |
323 | VOID *\r | |
324 | EFIAPI\r | |
325 | LibPcdGetExPtr (\r | |
326 | IN CONST GUID *Guid,\r | |
327 | IN UINTN TokenNumber\r | |
328 | )\r | |
329 | {\r | |
e386b444 | 330 | ASSERT (Guid != NULL);\r |
331 | \r | |
a72bd1ec | 332 | return (GetPcdPpiPointer ())->GetPtrEx (Guid, TokenNumber);\r |
e386b444 | 333 | }\r |
334 | \r | |
335 | \r | |
336 | \r | |
337 | /**\r | |
338 | Returns the Boolean value of the token specified by TokenNumber and Guid. \r | |
339 | If Guid is NULL, then ASSERT(). \r | |
340 | \r | |
341 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
342 | which namespace to retrieve a value from.\r | |
343 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
344 | \r | |
f73e0ad2 | 345 | @return Return the BOOLEAN.\r |
e386b444 | 346 | \r |
347 | **/\r | |
348 | BOOLEAN\r | |
349 | EFIAPI\r | |
350 | LibPcdGetExBool (\r | |
351 | IN CONST GUID *Guid,\r | |
352 | IN UINTN TokenNumber\r | |
353 | )\r | |
354 | {\r | |
e386b444 | 355 | ASSERT (Guid != NULL);\r |
a72bd1ec | 356 | return (GetPcdPpiPointer ())->GetBoolEx (Guid, TokenNumber);\r |
e386b444 | 357 | }\r |
358 | \r | |
359 | \r | |
360 | \r | |
361 | /**\r | |
362 | Returns the size of the token specified by TokenNumber and Guid. \r | |
363 | If Guid is NULL, then ASSERT(). \r | |
364 | \r | |
365 | @param[in] Guid Pointer to a 128-bit unique value that designates \r | |
366 | which namespace to retrieve a value from.\r | |
367 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
368 | \r | |
f73e0ad2 | 369 | @return Return the size.\r |
e386b444 | 370 | \r |
371 | **/\r | |
372 | UINTN\r | |
373 | EFIAPI\r | |
374 | LibPcdGetExSize (\r | |
375 | IN CONST GUID *Guid,\r | |
376 | IN UINTN TokenNumber\r | |
377 | )\r | |
378 | {\r | |
e386b444 | 379 | ASSERT (Guid != NULL);\r |
a72bd1ec | 380 | return (GetPcdPpiPointer ())->GetSizeEx (Guid, TokenNumber);\r |
e386b444 | 381 | }\r |
382 | \r | |
383 | \r | |
384 | \r | |
385 | /**\r | |
386 | Sets the 8-bit value for the token specified by TokenNumber \r | |
387 | to the value specified by Value. Value is returned.\r | |
a72bd1ec | 388 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 389 | \r |
390 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
391 | @param[in] Value The 8-bit value to set.\r | |
392 | \r | |
f73e0ad2 | 393 | @return Return the value been set.\r |
e386b444 | 394 | \r |
395 | **/\r | |
396 | UINT8\r | |
397 | EFIAPI\r | |
398 | LibPcdSet8 (\r | |
399 | IN UINTN TokenNumber,\r | |
400 | IN UINT8 Value\r | |
401 | )\r | |
402 | {\r | |
403 | EFI_STATUS Status;\r | |
e386b444 | 404 | \r |
a72bd1ec | 405 | Status = (GetPcdPpiPointer ())->Set8 (TokenNumber, Value);\r |
e386b444 | 406 | \r |
407 | ASSERT_EFI_ERROR (Status);\r | |
408 | \r | |
409 | return Value;\r | |
410 | }\r | |
411 | \r | |
412 | \r | |
413 | \r | |
414 | /**\r | |
415 | Sets the 16-bit value for the token specified by TokenNumber \r | |
416 | to the value specified by Value. Value is returned.\r | |
a72bd1ec | 417 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 418 | \r |
419 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
420 | @param[in] Value The 16-bit value to set.\r | |
421 | \r | |
f73e0ad2 | 422 | @return Return the value been set.\r |
e386b444 | 423 | \r |
424 | **/\r | |
425 | UINT16\r | |
426 | EFIAPI\r | |
427 | LibPcdSet16 (\r | |
428 | IN UINTN TokenNumber,\r | |
429 | IN UINT16 Value\r | |
430 | )\r | |
431 | {\r | |
432 | EFI_STATUS Status;\r | |
e386b444 | 433 | \r |
a72bd1ec | 434 | Status = (GetPcdPpiPointer ())->Set16 (TokenNumber, Value);\r |
e386b444 | 435 | \r |
436 | ASSERT_EFI_ERROR (Status);\r | |
437 | \r | |
438 | return Value;\r | |
439 | }\r | |
440 | \r | |
441 | \r | |
442 | \r | |
443 | /**\r | |
444 | Sets the 32-bit value for the token specified by TokenNumber \r | |
445 | to the value specified by Value. Value is returned.\r | |
a72bd1ec | 446 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 447 | \r |
448 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
449 | @param[in] Value The 32-bit value to set.\r | |
450 | \r | |
f73e0ad2 | 451 | @return Return the value been set.\r |
e386b444 | 452 | \r |
453 | **/\r | |
454 | UINT32\r | |
455 | EFIAPI\r | |
456 | LibPcdSet32 (\r | |
457 | IN UINTN TokenNumber,\r | |
458 | IN UINT32 Value\r | |
459 | )\r | |
460 | {\r | |
461 | EFI_STATUS Status;\r | |
e386b444 | 462 | \r |
a72bd1ec | 463 | Status = (GetPcdPpiPointer ())->Set32 (TokenNumber, Value);\r |
e386b444 | 464 | \r |
465 | ASSERT_EFI_ERROR (Status);\r | |
466 | \r | |
467 | return Value;\r | |
468 | }\r | |
469 | \r | |
470 | \r | |
471 | \r | |
472 | /**\r | |
473 | Sets the 64-bit value for the token specified by TokenNumber \r | |
474 | to the value specified by Value. Value is returned.\r | |
a72bd1ec | 475 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 476 | \r |
477 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
478 | @param[in] Value The 64-bit value to set.\r | |
479 | \r | |
f73e0ad2 | 480 | @return Return the value been set.\r |
e386b444 | 481 | \r |
482 | **/\r | |
483 | UINT64\r | |
484 | EFIAPI\r | |
485 | LibPcdSet64 (\r | |
486 | IN UINTN TokenNumber,\r | |
487 | IN UINT64 Value\r | |
488 | )\r | |
489 | {\r | |
490 | EFI_STATUS Status;\r | |
e386b444 | 491 | \r |
a72bd1ec | 492 | Status = (GetPcdPpiPointer ())->Set64 (TokenNumber, Value);\r |
e386b444 | 493 | \r |
494 | ASSERT_EFI_ERROR (Status);\r | |
495 | \r | |
496 | return Value;\r | |
497 | }\r | |
498 | \r | |
499 | \r | |
500 | \r | |
501 | /**\r | |
502 | Sets a buffer for the token specified by TokenNumber to \r | |
a72bd1ec | 503 | the value specified by Buffer and SizeOfBuffer. Buffer to\r |
e386b444 | 504 | be set is returned. The content of the buffer could be \r |
505 | overwritten if a Callback on SET is registered with this\r | |
506 | TokenNumber.\r | |
507 | \r | |
a72bd1ec | 508 | If SizeOfBuffer is greater than the maximum \r |
509 | size support by TokenNumber, then set SizeOfBuffer to the \r | |
e386b444 | 510 | maximum size supported by TokenNumber and return NULL to \r |
511 | indicate that the set operation was not actually performed. \r | |
512 | \r | |
a72bd1ec | 513 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r |
e386b444 | 514 | \r |
63e4dba9 | 515 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
516 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r | |
a72bd1ec | 517 | In out, returns actual size of buffer is set.\r |
63e4dba9 | 518 | @param[in] Buffer A pointer to the buffer to set.\r |
e386b444 | 519 | \r |
f73e0ad2 | 520 | @return Return the pointer for the buffer been set.\r |
e386b444 | 521 | \r |
522 | **/\r | |
523 | VOID *\r | |
524 | EFIAPI\r | |
525 | LibPcdSetPtr (\r | |
526 | IN UINTN TokenNumber,\r | |
527 | IN OUT UINTN *SizeOfBuffer,\r | |
528 | IN VOID *Buffer\r | |
529 | )\r | |
530 | {\r | |
531 | EFI_STATUS Status;\r | |
e386b444 | 532 | \r |
533 | ASSERT (SizeOfBuffer != NULL);\r | |
534 | \r | |
535 | if (*SizeOfBuffer > 0) {\r | |
536 | ASSERT (Buffer != NULL);\r | |
537 | }\r | |
e386b444 | 538 | \r |
a72bd1ec | 539 | Status = (GetPcdPpiPointer ())->SetPtr (TokenNumber, SizeOfBuffer, Buffer);\r |
e386b444 | 540 | \r |
541 | if (EFI_ERROR (Status)) {\r | |
542 | return NULL;\r | |
543 | }\r | |
544 | \r | |
545 | return Buffer;\r | |
546 | }\r | |
547 | \r | |
548 | \r | |
549 | \r | |
550 | /**\r | |
551 | Sets the Boolean value for the token specified by TokenNumber \r | |
552 | to the value specified by Value. Value is returned.\r | |
a72bd1ec | 553 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 554 | \r |
555 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
556 | @param[in] Value The boolean value to set.\r | |
557 | \r | |
f73e0ad2 | 558 | @return Return the value been set.\r |
e386b444 | 559 | \r |
560 | **/\r | |
561 | BOOLEAN\r | |
562 | EFIAPI\r | |
563 | LibPcdSetBool (\r | |
564 | IN UINTN TokenNumber,\r | |
565 | IN BOOLEAN Value\r | |
566 | )\r | |
567 | {\r | |
568 | EFI_STATUS Status;\r | |
e386b444 | 569 | \r |
a72bd1ec | 570 | Status = (GetPcdPpiPointer ())->SetBool (TokenNumber, Value);\r |
e386b444 | 571 | \r |
572 | ASSERT_EFI_ERROR (Status);\r | |
573 | \r | |
574 | return Value;\r | |
575 | }\r | |
576 | \r | |
577 | \r | |
578 | \r | |
579 | /**\r | |
580 | Sets the 8-bit value for the token specified by TokenNumber and \r | |
581 | Guid to the value specified by Value. Value is returned.\r | |
582 | If Guid is NULL, then ASSERT().\r | |
a72bd1ec | 583 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 584 | \r |
585 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
586 | designates which namespace to set a value from.\r | |
587 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
588 | @param[in] Value The 8-bit value to set.\r | |
589 | \r | |
f73e0ad2 | 590 | @return Return the value been set.\r |
e386b444 | 591 | \r |
592 | **/\r | |
593 | UINT8\r | |
594 | EFIAPI\r | |
595 | LibPcdSetEx8 (\r | |
596 | IN CONST GUID *Guid,\r | |
597 | IN UINTN TokenNumber,\r | |
598 | IN UINT8 Value\r | |
599 | )\r | |
600 | {\r | |
601 | EFI_STATUS Status;\r | |
e386b444 | 602 | \r |
603 | ASSERT (Guid != NULL);\r | |
604 | \r | |
a72bd1ec | 605 | Status = (GetPcdPpiPointer ())->Set8Ex (Guid, TokenNumber, Value);\r |
e386b444 | 606 | \r |
607 | ASSERT_EFI_ERROR (Status);\r | |
608 | \r | |
609 | return Value;\r | |
610 | }\r | |
611 | \r | |
612 | \r | |
613 | \r | |
614 | /**\r | |
615 | Sets the 16-bit value for the token specified by TokenNumber and \r | |
616 | Guid to the value specified by Value. Value is returned.\r | |
617 | If Guid is NULL, then ASSERT().\r | |
a72bd1ec | 618 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 619 | \r |
620 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
621 | designates which namespace to set a value from.\r | |
622 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
623 | @param[in] Value The 16-bit value to set.\r | |
624 | \r | |
f73e0ad2 | 625 | @return Return the value been set.\r |
e386b444 | 626 | \r |
627 | **/\r | |
628 | UINT16\r | |
629 | EFIAPI\r | |
630 | LibPcdSetEx16 (\r | |
631 | IN CONST GUID *Guid,\r | |
632 | IN UINTN TokenNumber,\r | |
633 | IN UINT16 Value\r | |
634 | )\r | |
635 | {\r | |
636 | EFI_STATUS Status;\r | |
e386b444 | 637 | ASSERT (Guid != NULL);\r |
a72bd1ec | 638 | Status = (GetPcdPpiPointer ())->Set16Ex (Guid, TokenNumber, Value);\r |
e386b444 | 639 | \r |
640 | ASSERT_EFI_ERROR (Status);\r | |
641 | \r | |
642 | return Value;\r | |
643 | }\r | |
644 | \r | |
645 | \r | |
646 | \r | |
647 | /**\r | |
648 | Sets the 32-bit value for the token specified by TokenNumber and \r | |
649 | Guid to the value specified by Value. Value is returned.\r | |
650 | If Guid is NULL, then ASSERT().\r | |
a72bd1ec | 651 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 652 | \r |
653 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
654 | designates which namespace to set a value from.\r | |
655 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
656 | @param[in] Value The 32-bit value to set.\r | |
657 | \r | |
f73e0ad2 | 658 | @return Return the value been set.\r |
e386b444 | 659 | \r |
660 | **/\r | |
661 | UINT32\r | |
662 | EFIAPI\r | |
663 | LibPcdSetEx32 (\r | |
664 | IN CONST GUID *Guid,\r | |
665 | IN UINTN TokenNumber,\r | |
666 | IN UINT32 Value\r | |
667 | )\r | |
668 | {\r | |
669 | EFI_STATUS Status;\r | |
e386b444 | 670 | \r |
a72bd1ec | 671 | ASSERT (Guid != NULL);\r |
e386b444 | 672 | \r |
a72bd1ec | 673 | Status = (GetPcdPpiPointer ())->Set32Ex (Guid, TokenNumber, Value);\r |
e386b444 | 674 | \r |
675 | ASSERT_EFI_ERROR (Status);\r | |
676 | \r | |
677 | return Value;\r | |
678 | }\r | |
679 | \r | |
680 | \r | |
681 | \r | |
682 | /**\r | |
683 | Sets the 64-bit value for the token specified by TokenNumber and \r | |
684 | Guid to the value specified by Value. Value is returned.\r | |
685 | If Guid is NULL, then ASSERT().\r | |
a72bd1ec | 686 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 687 | \r |
688 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
689 | designates which namespace to set a value from.\r | |
690 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
691 | @param[in] Value The 64-bit value to set.\r | |
692 | \r | |
f73e0ad2 | 693 | @return Return the value been set.\r |
e386b444 | 694 | \r |
695 | **/\r | |
696 | UINT64\r | |
697 | EFIAPI\r | |
698 | LibPcdSetEx64 (\r | |
699 | IN CONST GUID *Guid,\r | |
700 | IN UINTN TokenNumber,\r | |
701 | IN UINT64 Value\r | |
702 | )\r | |
703 | {\r | |
704 | EFI_STATUS Status;\r | |
e386b444 | 705 | ASSERT (Guid != NULL);\r |
e386b444 | 706 | \r |
a72bd1ec | 707 | Status = (GetPcdPpiPointer ())->Set64Ex (Guid, TokenNumber, Value);\r |
e386b444 | 708 | \r |
709 | ASSERT_EFI_ERROR (Status);\r | |
710 | \r | |
711 | return Value;\r | |
712 | }\r | |
713 | \r | |
714 | \r | |
715 | \r | |
716 | /**\r | |
717 | Sets a buffer for the token specified by TokenNumber to the value specified by \r | |
a72bd1ec | 718 | Buffer and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than \r |
719 | the maximum size support by TokenNumber, then set SizeOfBuffer to the maximum size \r | |
e386b444 | 720 | supported by TokenNumber and return NULL to indicate that the set operation \r |
721 | was not actually performed. \r | |
722 | \r | |
a72bd1ec | 723 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r |
e386b444 | 724 | \r |
725 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
726 | designates which namespace to set a value from.\r | |
727 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
728 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r | |
a72bd1ec | 729 | In out, returns actual size of buffer is set.\r |
e386b444 | 730 | @param[in] Buffer A pointer to the buffer to set.\r |
731 | \r | |
f73e0ad2 | 732 | @return Return the pinter to the buffer been set.\r |
e386b444 | 733 | \r |
734 | **/\r | |
735 | VOID *\r | |
736 | EFIAPI\r | |
737 | LibPcdSetExPtr (\r | |
738 | IN CONST GUID *Guid,\r | |
739 | IN UINTN TokenNumber,\r | |
740 | IN OUT UINTN *SizeOfBuffer,\r | |
741 | IN VOID *Buffer\r | |
742 | )\r | |
743 | {\r | |
744 | EFI_STATUS Status;\r | |
a72bd1ec | 745 | ASSERT (SizeOfBuffer != NULL);\r |
e386b444 | 746 | if (*SizeOfBuffer > 0) {\r |
747 | ASSERT (Buffer != NULL);\r | |
748 | }\r | |
749 | ASSERT (Guid != NULL);\r | |
e386b444 | 750 | \r |
a72bd1ec | 751 | Status = (GetPcdPpiPointer ())->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);\r |
e386b444 | 752 | \r |
753 | if (EFI_ERROR (Status)) {\r | |
754 | return NULL;\r | |
755 | }\r | |
756 | \r | |
757 | return Buffer;\r | |
758 | }\r | |
759 | \r | |
760 | \r | |
761 | \r | |
762 | /**\r | |
763 | Sets the Boolean value for the token specified by TokenNumber and \r | |
764 | Guid to the value specified by Value. Value is returned.\r | |
765 | If Guid is NULL, then ASSERT().\r | |
a72bd1ec | 766 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
e386b444 | 767 | \r |
768 | @param[in] Guid Pointer to a 128-bit unique value that \r | |
769 | designates which namespace to set a value from.\r | |
770 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
771 | @param[in] Value The Boolean value to set.\r | |
772 | \r | |
f73e0ad2 | 773 | @return Return the value been set.\r |
e386b444 | 774 | \r |
775 | **/\r | |
776 | BOOLEAN\r | |
777 | EFIAPI\r | |
778 | LibPcdSetExBool (\r | |
779 | IN CONST GUID *Guid,\r | |
780 | IN UINTN TokenNumber,\r | |
781 | IN BOOLEAN Value\r | |
782 | )\r | |
783 | {\r | |
784 | EFI_STATUS Status;\r | |
e386b444 | 785 | \r |
786 | ASSERT (Guid != NULL);\r | |
a72bd1ec | 787 | Status = (GetPcdPpiPointer ())->SetBoolEx (Guid, TokenNumber, Value);\r |
e386b444 | 788 | \r |
789 | ASSERT_EFI_ERROR (Status);\r | |
790 | \r | |
791 | return Value;\r | |
792 | }\r | |
793 | \r | |
794 | \r | |
795 | \r | |
796 | /**\r | |
797 | When the token specified by TokenNumber and Guid is set, \r | |
798 | then notification function specified by NotificationFunction is called. \r | |
799 | If Guid is NULL, then the default token space is used. \r | |
800 | If NotificationFunction is NULL, then ASSERT().\r | |
a72bd1ec | 801 | If fail to set callback, then ASSERT_EFI_ERROR().\r |
e386b444 | 802 | @param[in] Guid Pointer to a 128-bit unique value that designates which \r |
803 | namespace to set a value from. If NULL, then the default \r | |
804 | token space is used.\r | |
805 | @param[in] TokenNumber The PCD token number to monitor.\r | |
806 | @param[in] NotificationFunction The function to call when the token \r | |
807 | specified by Guid and TokenNumber is set.\r | |
808 | \r | |
809 | @retval VOID\r | |
810 | \r | |
811 | **/\r | |
812 | VOID\r | |
813 | EFIAPI\r | |
814 | LibPcdCallbackOnSet (\r | |
815 | IN CONST GUID *Guid, OPTIONAL\r | |
816 | IN UINTN TokenNumber,\r | |
817 | IN PCD_CALLBACK NotificationFunction\r | |
818 | )\r | |
819 | {\r | |
820 | EFI_STATUS Status;\r | |
e386b444 | 821 | \r |
a72bd1ec | 822 | Status = (GetPcdPpiPointer ())->CallbackOnSet (Guid, TokenNumber, NotificationFunction);\r |
e386b444 | 823 | \r |
824 | ASSERT_EFI_ERROR (Status);\r | |
825 | \r | |
826 | return;\r | |
827 | }\r | |
828 | \r | |
829 | \r | |
830 | \r | |
831 | /**\r | |
832 | Disable a notification function that was established with LibPcdCallbackonSet().\r | |
833 | If NotificationFunction is NULL, then ASSERT().\r | |
a72bd1ec | 834 | If fail to cancel callback, then ASSERT_EFI_ERROR().\r |
835 | \r | |
e386b444 | 836 | @param[in] Guid Specify the GUID token space.\r |
837 | @param[in] TokenNumber Specify the token number.\r | |
838 | @param[in] NotificationFunction The callback function to be unregistered.\r | |
839 | \r | |
840 | @retval VOID\r | |
841 | \r | |
842 | **/\r | |
843 | VOID\r | |
844 | EFIAPI\r | |
845 | LibPcdCancelCallback (\r | |
846 | IN CONST GUID *Guid, OPTIONAL\r | |
847 | IN UINTN TokenNumber,\r | |
848 | IN PCD_CALLBACK NotificationFunction\r | |
849 | )\r | |
850 | {\r | |
851 | EFI_STATUS Status;\r | |
e386b444 | 852 | \r |
a72bd1ec | 853 | Status = (GetPcdPpiPointer ())->CancelCallback (Guid, TokenNumber, NotificationFunction);\r |
e386b444 | 854 | \r |
855 | ASSERT_EFI_ERROR (Status);\r | |
856 | \r | |
857 | return;\r | |
858 | }\r | |
859 | \r | |
860 | \r | |
861 | \r | |
862 | /**\r | |
863 | Retrieves the next PCD token number from the token space specified by Guid. \r | |
864 | If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r | |
865 | then the first token number is returned. Otherwise, the token number that \r | |
866 | follows TokenNumber in the token space is returned. If TokenNumber is the last \r | |
867 | token number in the token space, then 0 is returned. If TokenNumber is not 0 and \r | |
868 | is not in the token space specified by Guid, then ASSERT().\r | |
a72bd1ec | 869 | If fail to get token in given token space, then ASSERT_EFI_ERROR().\r |
870 | \r | |
63e4dba9 | 871 | @param[in] Guid Pointer to a 128-bit unique value that designates which namespace \r |
872 | to set a value from. If NULL, then the default token space is used.\r | |
873 | @param[in] TokenNumber The previous PCD token number. If 0, then retrieves the first PCD \r | |
874 | token number.\r | |
e386b444 | 875 | \r |
f73e0ad2 | 876 | @return The next valid token number.\r |
e386b444 | 877 | \r |
878 | **/\r | |
879 | UINTN \r | |
880 | EFIAPI\r | |
881 | LibPcdGetNextToken (\r | |
882 | IN CONST GUID *Guid, OPTIONAL\r | |
883 | IN UINTN TokenNumber\r | |
884 | )\r | |
885 | {\r | |
886 | EFI_STATUS Status;\r | |
e386b444 | 887 | \r |
a72bd1ec | 888 | Status = (GetPcdPpiPointer ())->GetNextToken (Guid, &TokenNumber);\r |
e386b444 | 889 | \r |
890 | ASSERT_EFI_ERROR (Status);\r | |
891 | \r | |
892 | return TokenNumber;\r | |
893 | }\r | |
894 | \r | |
895 | \r | |
896 | /**\r | |
897 | Retrieves the next PCD token space from a token space specified by Guid.\r | |
898 | Guid of NULL is reserved to mark the default local token namespace on the current\r | |
899 | platform. If Guid is NULL, then the GUID of the first non-local token space of the \r | |
900 | current platform is returned. If Guid is the last non-local token space, \r | |
901 | then NULL is returned. \r | |
a72bd1ec | 902 | If fail to get next token space, then ASSERT_EFI_ERROR().\r |
903 | \r | |
e386b444 | 904 | If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r |
905 | \r | |
906 | \r | |
907 | \r | |
63e4dba9 | 908 | @param[in] Guid Pointer to a 128-bit unique value that designates from which namespace \r |
909 | to start the search.\r | |
e386b444 | 910 | \r |
f73e0ad2 | 911 | @return The next valid token namespace.\r |
e386b444 | 912 | \r |
913 | **/\r | |
914 | GUID * \r | |
915 | EFIAPI\r | |
916 | LibPcdGetNextTokenSpace (\r | |
917 | IN CONST GUID *Guid\r | |
918 | )\r | |
919 | {\r | |
920 | EFI_STATUS Status;\r | |
e386b444 | 921 | \r |
a72bd1ec | 922 | Status = (GetPcdPpiPointer ())->GetNextTokenSpace (&Guid);\r |
e386b444 | 923 | \r |
924 | ASSERT_EFI_ERROR (Status);\r | |
925 | \r | |
926 | return (GUID *)Guid;\r | |
927 | }\r | |
928 | \r | |
929 | \r | |
930 | \r | |
931 | /**\r | |
932 | Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r | |
a72bd1ec | 933 | and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than \r |
934 | MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return \r | |
e386b444 | 935 | NULL to indicate that the set operation was not actually performed. \r |
a72bd1ec | 936 | If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to \r |
e386b444 | 937 | MaximumDatumSize and NULL must be returned.\r |
938 | \r | |
939 | If PatchVariable is NULL, then ASSERT().\r | |
a72bd1ec | 940 | If SizeOfBuffer is NULL, then ASSERT().\r |
941 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r | |
e386b444 | 942 | \r |
943 | @param[in] PatchVariable A pointer to the global variable in a module that is \r | |
944 | the target of the set operation.\r | |
945 | @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.\r | |
946 | @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.\r | |
a72bd1ec | 947 | In out, returns actual size of buffer is set.\r |
e386b444 | 948 | @param[in] Buffer A pointer to the buffer to used to set the target variable.\r |
f73e0ad2 | 949 | \r |
950 | @return Return the pinter to the buffer been set.\r | |
e386b444 | 951 | \r |
952 | **/\r | |
953 | VOID *\r | |
954 | EFIAPI\r | |
955 | LibPatchPcdSetPtr (\r | |
956 | IN VOID *PatchVariable,\r | |
957 | IN UINTN MaximumDatumSize,\r | |
958 | IN OUT UINTN *SizeOfBuffer,\r | |
959 | IN CONST VOID *Buffer\r | |
960 | )\r | |
961 | {\r | |
962 | ASSERT (PatchVariable != NULL);\r | |
963 | ASSERT (SizeOfBuffer != NULL);\r | |
964 | \r | |
965 | if (*SizeOfBuffer > 0) {\r | |
966 | ASSERT (Buffer != NULL);\r | |
967 | }\r | |
968 | \r | |
969 | if ((*SizeOfBuffer > MaximumDatumSize) ||\r | |
970 | (*SizeOfBuffer == MAX_ADDRESS)) {\r | |
971 | *SizeOfBuffer = MaximumDatumSize;\r | |
972 | return NULL;\r | |
973 | }\r | |
974 | \r | |
975 | CopyMem (PatchVariable, Buffer, *SizeOfBuffer);\r | |
976 | \r | |
977 | return (VOID *) Buffer;\r | |
978 | }\r | |
979 | \r | |
980 | \r |