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1 | /** @file\r | |
2 | Private functions used by PCD DXE driver.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2007, 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 | \r | |
15 | #ifndef _PCD_DXE_SERVICE_H_\r | |
16 | #define _PCD_DXE_SERVICE_H_\r | |
17 | \r | |
18 | #include <PiDxe.h>\r | |
19 | #include <Protocol/Pcd.h>\r | |
20 | #include <Library/BaseLib.h>\r | |
21 | #include <Library/DebugLib.h>\r | |
22 | #include <Library/UefiLib.h>\r | |
23 | #include <Library/UefiDriverEntryPoint.h>\r | |
24 | #include <Library/PcdLib.h>\r | |
25 | #include <Library/HobLib.h>\r | |
26 | #include <Library/MemoryAllocationLib.h>\r | |
27 | #include <Library/UefiBootServicesTableLib.h>\r | |
28 | #include <Library/BaseMemoryLib.h>\r | |
29 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
30 | \r | |
31 | //\r | |
32 | // Protocol Interface function declaration.\r | |
33 | //\r | |
34 | /**\r | |
35 | Sets the SKU value for subsequent calls to set or get PCD token values.\r | |
36 | \r | |
37 | SetSku() sets the SKU Id to be used for subsequent calls to set or get PCD values. \r | |
38 | SetSku() is normally called only once by the system.\r | |
39 | \r | |
40 | For each item (token), the database can hold a single value that applies to all SKUs, \r | |
41 | or multiple values, where each value is associated with a specific SKU Id. Items with multiple, \r | |
42 | SKU-specific values are called SKU enabled. \r | |
43 | \r | |
44 | The SKU Id of zero is reserved as a default. The valid SkuId range is 1 to 255. \r | |
45 | For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the \r | |
46 | single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the \r | |
47 | last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token, \r | |
48 | the system uses the default SKU Id. If the system attempts to use the default SKU Id and no value has been \r | |
49 | set for that Id, the results are unpredictable.\r | |
50 | \r | |
51 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r | |
52 | set values associated with a PCD token.\r | |
53 | \r | |
54 | **/\r | |
55 | VOID\r | |
56 | EFIAPI\r | |
57 | DxePcdSetSku (\r | |
58 | IN UINTN SkuId\r | |
59 | );\r | |
60 | \r | |
61 | /**\r | |
62 | Retrieves an 8-bit value for a given PCD token.\r | |
63 | \r | |
64 | Retrieves the current byte-sized value for a PCD token number. \r | |
65 | If the TokenNumber is invalid, the results are unpredictable.\r | |
66 | \r | |
67 | @param[in] TokenNumber The PCD token number. \r | |
68 | \r | |
69 | @return The UINT8 value.\r | |
70 | \r | |
71 | **/\r | |
72 | UINT8\r | |
73 | EFIAPI\r | |
74 | DxePcdGet8 (\r | |
75 | IN UINTN TokenNumber\r | |
76 | );\r | |
77 | \r | |
78 | /**\r | |
79 | Retrieves an 16-bit value for a given PCD token.\r | |
80 | \r | |
81 | Retrieves the current 16-bits value for a PCD token number. \r | |
82 | If the TokenNumber is invalid, the results are unpredictable.\r | |
83 | \r | |
84 | @param[in] TokenNumber The PCD token number. \r | |
85 | \r | |
86 | @return The UINT16 value.\r | |
87 | \r | |
88 | **/\r | |
89 | UINT16\r | |
90 | EFIAPI\r | |
91 | DxePcdGet16 (\r | |
92 | IN UINTN TokenNumber\r | |
93 | );\r | |
94 | \r | |
95 | /**\r | |
96 | Retrieves an 32-bit value for a given PCD token.\r | |
97 | \r | |
98 | Retrieves the current 32-bits value for a PCD token number. \r | |
99 | If the TokenNumber is invalid, the results are unpredictable.\r | |
100 | \r | |
101 | @param[in] TokenNumber The PCD token number. \r | |
102 | \r | |
103 | @return The UINT32 value.\r | |
104 | \r | |
105 | **/\r | |
106 | UINT32\r | |
107 | EFIAPI\r | |
108 | DxePcdGet32 (\r | |
109 | IN UINTN TokenNumber\r | |
110 | );\r | |
111 | \r | |
112 | /**\r | |
113 | Retrieves an 64-bit value for a given PCD token.\r | |
114 | \r | |
115 | Retrieves the current 64-bits value for a PCD token number. \r | |
116 | If the TokenNumber is invalid, the results are unpredictable.\r | |
117 | \r | |
118 | @param[in] TokenNumber The PCD token number. \r | |
119 | \r | |
120 | @return The UINT64 value.\r | |
121 | \r | |
122 | **/\r | |
123 | UINT64\r | |
124 | EFIAPI\r | |
125 | DxePcdGet64 (\r | |
126 | IN UINTN TokenNumber\r | |
127 | );\r | |
128 | \r | |
129 | /**\r | |
130 | Retrieves a pointer to a value for a given PCD token.\r | |
131 | \r | |
132 | Retrieves the current pointer to the buffer for a PCD token number. \r | |
133 | Do not make any assumptions about the alignment of the pointer that \r | |
134 | is returned by this function call. If the TokenNumber is invalid, \r | |
135 | the results are unpredictable.\r | |
136 | \r | |
137 | @param[in] TokenNumber The PCD token number. \r | |
138 | \r | |
139 | @return The pointer to the buffer to be retrieved.\r | |
140 | \r | |
141 | **/\r | |
142 | VOID *\r | |
143 | EFIAPI\r | |
144 | DxePcdGetPtr (\r | |
145 | IN UINTN TokenNumber\r | |
146 | );\r | |
147 | \r | |
148 | /**\r | |
149 | Retrieves a Boolean value for a given PCD token.\r | |
150 | \r | |
151 | Retrieves the current boolean value for a PCD token number. \r | |
152 | Do not make any assumptions about the alignment of the pointer that \r | |
153 | is returned by this function call. If the TokenNumber is invalid, \r | |
154 | the results are unpredictable.\r | |
155 | \r | |
156 | @param[in] TokenNumber The PCD token number. \r | |
157 | \r | |
158 | @return The Boolean value.\r | |
159 | \r | |
160 | **/\r | |
161 | BOOLEAN\r | |
162 | EFIAPI\r | |
163 | DxePcdGetBool (\r | |
164 | IN UINTN TokenNumber\r | |
165 | );\r | |
166 | \r | |
167 | /**\r | |
168 | Retrieves the size of the value for a given PCD token.\r | |
169 | \r | |
170 | Retrieves the current size of a particular PCD token. \r | |
171 | If the TokenNumber is invalid, the results are unpredictable.\r | |
172 | \r | |
173 | @param[in] TokenNumber The PCD token number. \r | |
174 | \r | |
175 | @return The size of the value for the PCD token.\r | |
176 | \r | |
177 | **/\r | |
178 | UINTN\r | |
179 | EFIAPI\r | |
180 | DxePcdGetSize (\r | |
181 | IN UINTN TokenNumber\r | |
182 | );\r | |
183 | \r | |
184 | /**\r | |
185 | Retrieves an 8-bit value for a given PCD token.\r | |
186 | \r | |
187 | Retrieves the 8-bit value of a particular PCD token. \r | |
188 | If the TokenNumber is invalid or the token space\r | |
189 | specified by Guid does not exist, the results are \r | |
190 | unpredictable.\r | |
191 | \r | |
192 | @param[in] Guid The token space for the token number.\r | |
193 | @param[in] TokenNumber The PCD token number. \r | |
194 | \r | |
195 | @return The size 8-bit value for the PCD token.\r | |
196 | \r | |
197 | **/\r | |
198 | UINT8\r | |
199 | EFIAPI\r | |
200 | DxePcdGet8Ex (\r | |
201 | IN CONST EFI_GUID *Guid,\r | |
202 | IN UINTN TokenNumber\r | |
203 | );\r | |
204 | \r | |
205 | /**\r | |
206 | Retrieves an 16-bit value for a given PCD token.\r | |
207 | \r | |
208 | Retrieves the 16-bit value of a particular PCD token. \r | |
209 | If the TokenNumber is invalid or the token space\r | |
210 | specified by Guid does not exist, the results are \r | |
211 | unpredictable.\r | |
212 | \r | |
213 | @param[in] Guid The token space for the token number.\r | |
214 | @param[in] TokenNumber The PCD token number. \r | |
215 | \r | |
216 | @return The size 16-bit value for the PCD token.\r | |
217 | \r | |
218 | **/\r | |
219 | UINT16\r | |
220 | EFIAPI\r | |
221 | DxePcdGet16Ex (\r | |
222 | IN CONST EFI_GUID *Guid,\r | |
223 | IN UINTN TokenNumber\r | |
224 | );\r | |
225 | \r | |
226 | /**\r | |
227 | Retrieves an 32-bit value for a given PCD token.\r | |
228 | \r | |
229 | Retrieves the 32-bit value of a particular PCD token. \r | |
230 | If the TokenNumber is invalid or the token space\r | |
231 | specified by Guid does not exist, the results are \r | |
232 | unpredictable.\r | |
233 | \r | |
234 | @param[in] Guid The token space for the token number.\r | |
235 | @param[in] TokenNumber The PCD token number. \r | |
236 | \r | |
237 | @return The size 32-bit value for the PCD token.\r | |
238 | \r | |
239 | **/\r | |
240 | UINT32\r | |
241 | EFIAPI\r | |
242 | DxePcdGet32Ex (\r | |
243 | IN CONST EFI_GUID *Guid,\r | |
244 | IN UINTN TokenNumber\r | |
245 | );\r | |
246 | \r | |
247 | /**\r | |
248 | Retrieves an 64-bit value for a given PCD token.\r | |
249 | \r | |
250 | Retrieves the 64-bit value of a particular PCD token. \r | |
251 | If the TokenNumber is invalid or the token space\r | |
252 | specified by Guid does not exist, the results are \r | |
253 | unpredictable.\r | |
254 | \r | |
255 | @param[in] Guid The token space for the token number.\r | |
256 | @param[in] TokenNumber The PCD token number. \r | |
257 | \r | |
258 | @return The size 64-bit value for the PCD token.\r | |
259 | \r | |
260 | **/\r | |
261 | UINT64\r | |
262 | EFIAPI\r | |
263 | DxePcdGet64Ex (\r | |
264 | IN CONST EFI_GUID *Guid,\r | |
265 | IN UINTN TokenNumber\r | |
266 | );\r | |
267 | \r | |
268 | /**\r | |
269 | Retrieves a pointer to a value for a given PCD token.\r | |
270 | \r | |
271 | Retrieves the current pointer to the buffer for a PCD token number. \r | |
272 | Do not make any assumptions about the alignment of the pointer that \r | |
273 | is returned by this function call. If the TokenNumber is invalid, \r | |
274 | the results are unpredictable.\r | |
275 | \r | |
276 | @param[in] Guid The token space for the token number.\r | |
277 | @param[in] TokenNumber The PCD token number. \r | |
278 | \r | |
279 | @return The pointer to the buffer to be retrieved.\r | |
280 | \r | |
281 | **/\r | |
282 | VOID *\r | |
283 | EFIAPI\r | |
284 | DxePcdGetPtrEx (\r | |
285 | IN CONST EFI_GUID *Guid,\r | |
286 | IN UINTN TokenNumber\r | |
287 | );\r | |
288 | \r | |
289 | /**\r | |
290 | Retrieves an Boolean value for a given PCD token.\r | |
291 | \r | |
292 | Retrieves the Boolean value of a particular PCD token. \r | |
293 | If the TokenNumber is invalid or the token space\r | |
294 | specified by Guid does not exist, the results are \r | |
295 | unpredictable.\r | |
296 | \r | |
297 | @param[in] Guid The token space for the token number.\r | |
298 | @param[in] TokenNumber The PCD token number. \r | |
299 | \r | |
300 | @return The size Boolean value for the PCD token.\r | |
301 | \r | |
302 | **/\r | |
303 | BOOLEAN\r | |
304 | EFIAPI\r | |
305 | DxePcdGetBoolEx (\r | |
306 | IN CONST EFI_GUID *Guid,\r | |
307 | IN UINTN TokenNumber\r | |
308 | );\r | |
309 | \r | |
310 | /**\r | |
311 | Retrieves the size of the value for a given PCD token.\r | |
312 | \r | |
313 | Retrieves the current size of a particular PCD token. \r | |
314 | If the TokenNumber is invalid, the results are unpredictable.\r | |
315 | \r | |
316 | @param[in] Guid The token space for the token number.\r | |
317 | @param[in] TokenNumber The PCD token number. \r | |
318 | \r | |
319 | @return The size of the value for the PCD token.\r | |
320 | \r | |
321 | **/\r | |
322 | UINTN\r | |
323 | EFIAPI\r | |
324 | DxePcdGetSizeEx (\r | |
325 | IN CONST EFI_GUID *Guid,\r | |
326 | IN UINTN TokenNumber\r | |
327 | );\r | |
328 | \r | |
329 | /**\r | |
330 | Sets an 8-bit value for a given PCD token.\r | |
331 | \r | |
332 | When the PCD service sets a value, it will check to ensure that the \r | |
333 | size of the value being set is compatible with the Token's existing definition. \r | |
334 | If it is not, an error will be returned.\r | |
335 | \r | |
336 | @param[in] TokenNumber The PCD token number. \r | |
337 | @param[in] Value The value to set for the PCD token.\r | |
338 | \r | |
339 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
340 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
341 | being set was incompatible with a call to this function. \r | |
342 | Use GetSize() to retrieve the size of the target data.\r | |
343 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
344 | \r | |
345 | **/\r | |
346 | EFI_STATUS\r | |
347 | EFIAPI\r | |
348 | DxePcdSet8 (\r | |
349 | IN UINTN TokenNumber,\r | |
350 | IN UINT8 Value\r | |
351 | );\r | |
352 | \r | |
353 | /**\r | |
354 | Sets an 16-bit value for a given PCD token.\r | |
355 | \r | |
356 | When the PCD service sets a value, it will check to ensure that the \r | |
357 | size of the value being set is compatible with the Token's existing definition. \r | |
358 | If it is not, an error will be returned.\r | |
359 | \r | |
360 | @param[in] TokenNumber The PCD token number. \r | |
361 | @param[in] Value The value to set for the PCD token.\r | |
362 | \r | |
363 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
364 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
365 | being set was incompatible with a call to this function. \r | |
366 | Use GetSize() to retrieve the size of the target data.\r | |
367 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
368 | \r | |
369 | **/\r | |
370 | EFI_STATUS\r | |
371 | EFIAPI\r | |
372 | DxePcdSet16 (\r | |
373 | IN UINTN TokenNumber,\r | |
374 | IN UINT16 Value\r | |
375 | );\r | |
376 | \r | |
377 | /**\r | |
378 | Sets an 32-bit value for a given PCD token.\r | |
379 | \r | |
380 | When the PCD service sets a value, it will check to ensure that the \r | |
381 | size of the value being set is compatible with the Token's existing definition. \r | |
382 | If it is not, an error will be returned.\r | |
383 | \r | |
384 | @param[in] TokenNumber The PCD token number. \r | |
385 | @param[in] Value The value to set for the PCD token.\r | |
386 | \r | |
387 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
388 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
389 | being set was incompatible with a call to this function. \r | |
390 | Use GetSize() to retrieve the size of the target data.\r | |
391 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
392 | \r | |
393 | **/\r | |
394 | EFI_STATUS\r | |
395 | EFIAPI\r | |
396 | DxePcdSet32 (\r | |
397 | IN UINTN TokenNumber,\r | |
398 | IN UINT32 Value\r | |
399 | );\r | |
400 | \r | |
401 | /**\r | |
402 | Sets an 64-bit value for a given PCD token.\r | |
403 | \r | |
404 | When the PCD service sets a value, it will check to ensure that the \r | |
405 | size of the value being set is compatible with the Token's existing definition. \r | |
406 | If it is not, an error will be returned.\r | |
407 | \r | |
408 | @param[in] TokenNumber The PCD token number. \r | |
409 | @param[in] Value The value to set for the PCD token.\r | |
410 | \r | |
411 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
412 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
413 | being set was incompatible with a call to this function. \r | |
414 | Use GetSize() to retrieve the size of the target data.\r | |
415 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
416 | \r | |
417 | **/\r | |
418 | EFI_STATUS\r | |
419 | EFIAPI\r | |
420 | DxePcdSet64 (\r | |
421 | IN UINTN TokenNumber,\r | |
422 | IN UINT64 Value\r | |
423 | );\r | |
424 | \r | |
425 | \r | |
426 | /**\r | |
427 | Sets a value of a specified size for a given PCD token.\r | |
428 | \r | |
429 | When the PCD service sets a value, it will check to ensure that the \r | |
430 | size of the value being set is compatible with the Token's existing definition. \r | |
431 | If it is not, an error will be returned.\r | |
432 | \r | |
433 | @param[in] TokenNumber The PCD token number. \r | |
434 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r | |
435 | On input, if the SizeOfValue is greater than the maximum size supported \r | |
436 | for this TokenNumber then the output value of SizeOfValue will reflect \r | |
437 | the maximum size supported for this TokenNumber.\r | |
438 | @param[in] Buffer The buffer to set for the PCD token.\r | |
439 | \r | |
440 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
441 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
442 | being set was incompatible with a call to this function. \r | |
443 | Use GetSize() to retrieve the size of the target data.\r | |
444 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
445 | \r | |
446 | **/\r | |
447 | EFI_STATUS\r | |
448 | EFIAPI\r | |
449 | DxePcdSetPtr (\r | |
450 | IN UINTN TokenNumber,\r | |
451 | IN OUT UINTN *SizeOfBuffer,\r | |
452 | IN VOID *Buffer\r | |
453 | );\r | |
454 | \r | |
455 | /**\r | |
456 | Sets an Boolean value for a given PCD token.\r | |
457 | \r | |
458 | When the PCD service sets a value, it will check to ensure that the \r | |
459 | size of the value being set is compatible with the Token's existing definition. \r | |
460 | If it is not, an error will be returned.\r | |
461 | \r | |
462 | @param[in] TokenNumber The PCD token number. \r | |
463 | @param[in] Value The value to set for the PCD token.\r | |
464 | \r | |
465 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
466 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
467 | being set was incompatible with a call to this function. \r | |
468 | Use GetSize() to retrieve the size of the target data.\r | |
469 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
470 | \r | |
471 | **/\r | |
472 | EFI_STATUS\r | |
473 | EFIAPI\r | |
474 | DxePcdSetBool (\r | |
475 | IN UINTN TokenNumber,\r | |
476 | IN BOOLEAN Value\r | |
477 | );\r | |
478 | \r | |
479 | \r | |
480 | /**\r | |
481 | Sets an 8-bit value for a given PCD token.\r | |
482 | \r | |
483 | When the PCD service sets a value, it will check to ensure that the \r | |
484 | size of the value being set is compatible with the Token's existing definition. \r | |
485 | If it is not, an error will be returned.\r | |
486 | \r | |
487 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
488 | @param[in] TokenNumber The PCD token number. \r | |
489 | @param[in] Value The value to set for the PCD token.\r | |
490 | \r | |
491 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
492 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
493 | being set was incompatible with a call to this function. \r | |
494 | Use GetSize() to retrieve the size of the target data.\r | |
495 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
496 | \r | |
497 | **/\r | |
498 | EFI_STATUS\r | |
499 | EFIAPI\r | |
500 | DxePcdSet8Ex (\r | |
501 | IN CONST EFI_GUID *Guid,\r | |
502 | IN UINTN TokenNumber,\r | |
503 | IN UINT8 Value\r | |
504 | );\r | |
505 | \r | |
506 | /**\r | |
507 | Sets an 16-bit value for a given PCD token.\r | |
508 | \r | |
509 | When the PCD service sets a value, it will check to ensure that the \r | |
510 | size of the value being set is compatible with the Token's existing definition. \r | |
511 | If it is not, an error will be returned.\r | |
512 | \r | |
513 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
514 | @param[in] TokenNumber The PCD token number. \r | |
515 | @param[in] Value The value to set for the PCD token.\r | |
516 | \r | |
517 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
518 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
519 | being set was incompatible with a call to this function. \r | |
520 | Use GetSize() to retrieve the size of the target data.\r | |
521 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
522 | \r | |
523 | **/\r | |
524 | EFI_STATUS\r | |
525 | EFIAPI\r | |
526 | DxePcdSet16Ex (\r | |
527 | IN CONST EFI_GUID *Guid,\r | |
528 | IN UINTN TokenNumber,\r | |
529 | IN UINT16 Value\r | |
530 | );\r | |
531 | \r | |
532 | /**\r | |
533 | Sets an 32-bit value for a given PCD token.\r | |
534 | \r | |
535 | When the PCD service sets a value, it will check to ensure that the \r | |
536 | size of the value being set is compatible with the Token's existing definition. \r | |
537 | If it is not, an error will be returned.\r | |
538 | \r | |
539 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
540 | @param[in] TokenNumber The PCD token number. \r | |
541 | @param[in] Value The value to set for the PCD token.\r | |
542 | \r | |
543 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
544 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
545 | being set was incompatible with a call to this function. \r | |
546 | Use GetSize() to retrieve the size of the target data.\r | |
547 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
548 | \r | |
549 | **/\r | |
550 | EFI_STATUS\r | |
551 | EFIAPI\r | |
552 | DxePcdSet32Ex (\r | |
553 | IN CONST EFI_GUID *Guid,\r | |
554 | IN UINTN TokenNumber,\r | |
555 | IN UINT32 Value\r | |
556 | );\r | |
557 | \r | |
558 | /**\r | |
559 | Sets an 64-bit value for a given PCD token.\r | |
560 | \r | |
561 | When the PCD service sets a value, it will check to ensure that the \r | |
562 | size of the value being set is compatible with the Token's existing definition. \r | |
563 | If it is not, an error will be returned.\r | |
564 | \r | |
565 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
566 | @param[in] TokenNumber The PCD token number. \r | |
567 | @param[in] Value The value to set for the PCD token.\r | |
568 | \r | |
569 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
570 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
571 | being set was incompatible with a call to this function. \r | |
572 | Use GetSize() to retrieve the size of the target data.\r | |
573 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
574 | \r | |
575 | **/\r | |
576 | EFI_STATUS\r | |
577 | EFIAPI\r | |
578 | DxePcdSet64Ex (\r | |
579 | IN CONST EFI_GUID *Guid,\r | |
580 | IN UINTN TokenNumber,\r | |
581 | IN UINT64 Value\r | |
582 | );\r | |
583 | \r | |
584 | /**\r | |
585 | Sets a value of a specified size for a given PCD token.\r | |
586 | \r | |
587 | When the PCD service sets a value, it will check to ensure that the \r | |
588 | size of the value being set is compatible with the Token's existing definition. \r | |
589 | If it is not, an error will be returned.\r | |
590 | \r | |
591 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
592 | @param[in] TokenNumber The PCD token number. \r | |
593 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r | |
594 | On input, if the SizeOfValue is greater than the maximum size supported \r | |
595 | for this TokenNumber then the output value of SizeOfValue will reflect \r | |
596 | the maximum size supported for this TokenNumber.\r | |
597 | @param[in] Buffer The buffer to set for the PCD token.\r | |
598 | \r | |
599 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
600 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
601 | being set was incompatible with a call to this function. \r | |
602 | Use GetSize() to retrieve the size of the target data.\r | |
603 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
604 | \r | |
605 | **/\r | |
606 | EFI_STATUS\r | |
607 | EFIAPI\r | |
608 | DxePcdSetPtrEx (\r | |
609 | IN CONST EFI_GUID *Guid,\r | |
610 | IN UINTN TokenNumber,\r | |
611 | IN OUT UINTN *SizeOfBuffer,\r | |
612 | IN VOID *Buffer\r | |
613 | );\r | |
614 | \r | |
615 | /**\r | |
616 | Sets an Boolean value for a given PCD token.\r | |
617 | \r | |
618 | When the PCD service sets a value, it will check to ensure that the \r | |
619 | size of the value being set is compatible with the Token's existing definition. \r | |
620 | If it is not, an error will be returned.\r | |
621 | \r | |
622 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
623 | @param[in] TokenNumber The PCD token number. \r | |
624 | @param[in] Value The value to set for the PCD token.\r | |
625 | \r | |
626 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
627 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
628 | being set was incompatible with a call to this function. \r | |
629 | Use GetSize() to retrieve the size of the target data.\r | |
630 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
631 | \r | |
632 | **/\r | |
633 | EFI_STATUS\r | |
634 | EFIAPI\r | |
635 | DxePcdSetBoolEx (\r | |
636 | IN CONST EFI_GUID *Guid,\r | |
637 | IN UINTN TokenNumber,\r | |
638 | IN BOOLEAN Value\r | |
639 | );\r | |
640 | \r | |
641 | /**\r | |
642 | Specifies a function to be called anytime the value of a designated token is changed.\r | |
643 | \r | |
644 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
645 | @param[in] TokenNumber The PCD token number. \r | |
646 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r | |
647 | \r | |
648 | @retval EFI_SUCCESS The PCD service has successfully established a call event \r | |
649 | for the CallBackToken requested.\r | |
650 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
651 | \r | |
652 | **/\r | |
653 | EFI_STATUS\r | |
654 | EFIAPI\r | |
655 | DxeRegisterCallBackOnSet (\r | |
656 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
657 | IN UINTN TokenNumber,\r | |
658 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
659 | );\r | |
660 | \r | |
661 | /**\r | |
662 | Cancels a previously set callback function for a particular PCD token number.\r | |
663 | \r | |
664 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
665 | @param[in] TokenNumber The PCD token number. \r | |
666 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r | |
667 | \r | |
668 | @retval EFI_SUCCESS The PCD service has successfully established a call event \r | |
669 | for the CallBackToken requested.\r | |
670 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
671 | \r | |
672 | **/\r | |
673 | EFI_STATUS\r | |
674 | EFIAPI\r | |
675 | DxeUnRegisterCallBackOnSet (\r | |
676 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
677 | IN UINTN TokenNumber,\r | |
678 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
679 | );\r | |
680 | \r | |
681 | /**\r | |
682 | Retrieves the next valid PCD token for a given namespace.\r | |
683 | \r | |
684 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
685 | @param[in, out] TokenNumber A pointer to the PCD token number to use to find the subsequent token number. \r | |
686 | If the input token namespace or token number does not exist on the platform, \r | |
687 | an error is returned and the value of *TokenNumber is undefined. To retrieve the "first" token, \r | |
688 | have the pointer reference a TokenNumber value of 0. If the input token number is 0 and \r | |
689 | there is no valid token number for this token namespace, *TokenNumber will be assigned to \r | |
690 | 0 and the function return EFI_SUCCESS. If the token number is the last valid token number, \r | |
691 | *TokenNumber will be assigned to 0 and the function return EFI_SUCCESS.\r | |
692 | \r | |
693 | @retval EFI_SUCCESS The PCD service retrieved the next valid token number. Or the input token number \r | |
694 | is already the last valid token number in the PCD database. \r | |
695 | In the later case, *TokenNumber is updated with the value of 0.\r | |
696 | @retval EFI_NOT_FOUND If this input token number and token namespace does not exist on the platform.\r | |
697 | \r | |
698 | **/\r | |
699 | EFI_STATUS\r | |
700 | EFIAPI\r | |
701 | DxePcdGetNextToken (\r | |
702 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
703 | IN OUT UINTN *TokenNumber\r | |
704 | );\r | |
705 | \r | |
706 | /**\r | |
707 | Get next token space in PCD database according to given token space guid.\r | |
708 | \r | |
709 | This routine is enable only when feature flag PCD PcdDxePcdDatabaseTraverseEnabled \r | |
710 | is TRUE.\r | |
711 | \r | |
712 | @param Guid Given token space guid. If NULL, then Guid will be set to \r | |
713 | the first PCD token space in PCD database, If not NULL, then\r | |
714 | Guid will be set to next PCD token space.\r | |
715 | \r | |
716 | @retval EFI_UNSUPPORTED If feature flag PCD PcdDxePcdDatabaseTraverseEnabled is FALSE.\r | |
717 | @retval EFI_NOT_FOUND If PCD database has no token space table or can not find given\r | |
718 | token space in PCD database.\r | |
719 | @retval EFI_SUCCESS Success to get next token space guid.\r | |
720 | **/\r | |
721 | EFI_STATUS\r | |
722 | EFIAPI\r | |
723 | DxePcdGetNextTokenSpace (\r | |
724 | IN OUT CONST EFI_GUID **Guid\r | |
725 | );\r | |
726 | \r | |
727 | typedef struct {\r | |
728 | LIST_ENTRY Node;\r | |
729 | PCD_PROTOCOL_CALLBACK CallbackFn;\r | |
730 | } CALLBACK_FN_ENTRY;\r | |
731 | \r | |
732 | #define CR_FNENTRY_FROM_LISTNODE(Record, Type, Field) BASE_CR(Record, Type, Field)\r | |
733 | \r | |
734 | //\r | |
735 | // Internal Functions\r | |
736 | //\r | |
737 | \r | |
738 | /**\r | |
739 | Wrapper function for setting non-pointer type value for a PCD entry.\r | |
740 | \r | |
741 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
742 | @param Data Value want to be set for PCD entry\r | |
743 | @param Size Size of value.\r | |
744 | \r | |
745 | @return status of SetWorker.\r | |
746 | \r | |
747 | **/\r | |
748 | EFI_STATUS\r | |
749 | SetValueWorker (\r | |
750 | IN UINTN TokenNumber,\r | |
751 | IN VOID *Data,\r | |
752 | IN UINTN Size\r | |
753 | );\r | |
754 | \r | |
755 | /**\r | |
756 | Set value for an PCD entry\r | |
757 | \r | |
758 | @param TokenNumber Pcd token number autogenerated by build tools.\r | |
759 | @param Data Value want to be set for PCD entry\r | |
760 | @param Size Size of value.\r | |
761 | @param PtrType If TRUE, the type of PCD entry's value is Pointer.\r | |
762 | If False, the type of PCD entry's value is not Pointer.\r | |
763 | \r | |
764 | @retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r | |
765 | @retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r | |
766 | @retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r | |
767 | range of UINT8, UINT16, UINT32, UINT64\r | |
768 | @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r | |
769 | **/\r | |
770 | EFI_STATUS\r | |
771 | SetWorker (\r | |
772 | IN UINTN TokenNumber,\r | |
773 | IN VOID *Data,\r | |
774 | IN OUT UINTN *Size,\r | |
775 | IN BOOLEAN PtrType\r | |
776 | );\r | |
777 | \r | |
778 | /**\r | |
779 | Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.\r | |
780 | \r | |
781 | @param ExTokenNumber Token number for dynamic-ex PCD.\r | |
782 | @param Guid Token space guid for dynamic-ex PCD.\r | |
783 | @param Data Value want to be set.\r | |
784 | @param SetSize The size of value.\r | |
785 | \r | |
786 | @return status of ExSetWorker().\r | |
787 | \r | |
788 | **/\r | |
789 | EFI_STATUS\r | |
790 | ExSetValueWorker (\r | |
791 | IN UINTN ExTokenNumber,\r | |
792 | IN CONST EFI_GUID *Guid,\r | |
793 | IN VOID *Data,\r | |
794 | IN UINTN SetSize\r | |
795 | );\r | |
796 | \r | |
797 | /**\r | |
798 | Set value for a dynamic PCD entry.\r | |
799 | \r | |
800 | This routine find the local token number according to dynamic-ex PCD's token \r | |
801 | space guid and token number firstly, and invoke callback function if this PCD\r | |
802 | entry registered callback function. Finally, invoken general SetWorker to set\r | |
803 | PCD value.\r | |
804 | \r | |
805 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
806 | @param Guid Token space guid for dynamic-ex PCD.\r | |
807 | @param Data PCD value want to be set\r | |
808 | @param SetSize Size of value.\r | |
809 | @param PtrType If TRUE, this PCD entry is pointer type.\r | |
810 | If FALSE, this PCD entry is not pointer type.\r | |
811 | \r | |
812 | @return status of SetWorker().\r | |
813 | \r | |
814 | **/\r | |
815 | EFI_STATUS\r | |
816 | ExSetWorker (\r | |
817 | IN UINTN ExTokenNumber,\r | |
818 | IN CONST EFI_GUID *Guid,\r | |
819 | IN VOID *Data,\r | |
820 | IN OUT UINTN *Size,\r | |
821 | IN BOOLEAN PtrType\r | |
822 | );\r | |
823 | \r | |
824 | /**\r | |
825 | Get the PCD entry pointer in PCD database.\r | |
826 | \r | |
827 | This routine will visit PCD database to find the PCD entry according to given\r | |
828 | token number. The given token number is autogened by build tools and it will be \r | |
829 | translated to local token number. Local token number contains PCD's type and \r | |
830 | offset of PCD entry in PCD database.\r | |
831 | \r | |
832 | @param TokenNumber Token's number, it is autogened by build tools\r | |
833 | @param GetSize The size of token's value\r | |
834 | \r | |
835 | @return PCD entry pointer in PCD database\r | |
836 | \r | |
837 | **/\r | |
838 | VOID *\r | |
839 | GetWorker (\r | |
840 | IN UINTN TokenNumber,\r | |
841 | IN UINTN GetSize\r | |
842 | );\r | |
843 | \r | |
844 | /**\r | |
845 | Wrapper function for get PCD value for dynamic-ex PCD.\r | |
846 | \r | |
847 | @param Guid Token space guid for dynamic-ex PCD.\r | |
848 | @param ExTokenNumber Token number for dynamic-ex PCD.\r | |
849 | @param GetSize The size of dynamic-ex PCD value.\r | |
850 | \r | |
851 | @return PCD entry in PCD database.\r | |
852 | \r | |
853 | **/\r | |
854 | VOID *\r | |
855 | ExGetWorker (\r | |
856 | IN CONST EFI_GUID *Guid,\r | |
857 | IN UINTN ExTokenNumber,\r | |
858 | IN UINTN GetSize\r | |
859 | );\r | |
860 | \r | |
861 | /**\r | |
862 | Find the local token number according to system SKU ID.\r | |
863 | \r | |
864 | @param LocalTokenNumber PCD token number\r | |
865 | @param Size The size of PCD entry.\r | |
866 | @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r | |
867 | If False, the PCD entry is initialized in DXE phase.\r | |
868 | \r | |
869 | @return Token number according to system SKU ID.\r | |
870 | \r | |
871 | **/\r | |
872 | UINT32\r | |
873 | GetSkuEnabledTokenNumber (\r | |
874 | UINT32 LocalTokenNumber,\r | |
875 | UINTN Size,\r | |
876 | BOOLEAN IsPeiDb\r | |
877 | );\r | |
878 | \r | |
879 | /**\r | |
880 | Get Variable which contains HII type PCD entry.\r | |
881 | \r | |
882 | @param VariableGuid Variable's guid\r | |
883 | @param VariableName Variable's unicode name string\r | |
884 | @param VariableData Variable's data pointer, \r | |
885 | @param VariableSize Variable's size.\r | |
886 | \r | |
887 | @return the status of gRT->GetVariable\r | |
888 | **/\r | |
889 | EFI_STATUS\r | |
890 | GetHiiVariable (\r | |
891 | IN EFI_GUID *VariableGuid,\r | |
892 | IN UINT16 *VariableName,\r | |
893 | OUT UINT8 **VariableData,\r | |
894 | OUT UINTN *VariableSize\r | |
895 | );\r | |
896 | \r | |
897 | /**\r | |
898 | Set value for HII-type PCD.\r | |
899 | \r | |
900 | A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r | |
901 | HII-type PCD is to visit this variable.\r | |
902 | \r | |
903 | @param VariableGuid Guid of variable which stored value of a HII-type PCD.\r | |
904 | @param VariableName Unicode name of variable which stored value of a HII-type PCD.\r | |
905 | @param Data Value want to be set.\r | |
906 | @param DataSize Size of value\r | |
907 | @param Offset Value offset of HII-type PCD in variable.\r | |
908 | \r | |
909 | @return status of GetVariable()/SetVariable().\r | |
910 | \r | |
911 | **/\r | |
912 | EFI_STATUS\r | |
913 | SetHiiVariable (\r | |
914 | IN EFI_GUID *VariableGuid,\r | |
915 | IN UINT16 *VariableName,\r | |
916 | IN CONST VOID *Data,\r | |
917 | IN UINTN DataSize,\r | |
918 | IN UINTN Offset\r | |
919 | );\r | |
920 | \r | |
921 | /**\r | |
922 | Register the callback function for a PCD entry.\r | |
923 | \r | |
924 | This routine will register a callback function to a PCD entry by given token number\r | |
925 | and token space guid.\r | |
926 | \r | |
927 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
928 | @param Guid PCD token space's guid, \r | |
929 | if not NULL, this PCD is dynamicEx type PCD.\r | |
930 | @param CallBackFunction Callback function pointer\r | |
931 | \r | |
932 | @return EFI_SUCCESS Always success for registering callback function.\r | |
933 | \r | |
934 | **/\r | |
935 | EFI_STATUS\r | |
936 | DxeRegisterCallBackWorker (\r | |
937 | IN UINTN TokenNumber,\r | |
938 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
939 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
940 | );\r | |
941 | \r | |
942 | /**\r | |
943 | UnRegister the callback function for a PCD entry.\r | |
944 | \r | |
945 | This routine will unregister a callback function to a PCD entry by given token number\r | |
946 | and token space guid.\r | |
947 | \r | |
948 | @param TokenNumber PCD token's number, it is autogened by build tools.\r | |
949 | @param Guid PCD token space's guid.\r | |
950 | if not NULL, this PCD is dynamicEx type PCD.\r | |
951 | @param CallBackFunction Callback function pointer\r | |
952 | \r | |
953 | @retval EFI_SUCCESS Callback function is success to be unregister.\r | |
954 | @retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.\r | |
955 | **/\r | |
956 | EFI_STATUS\r | |
957 | DxeUnRegisterCallBackWorker (\r | |
958 | IN UINTN TokenNumber,\r | |
959 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
960 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
961 | );\r | |
962 | \r | |
963 | /**\r | |
964 | Initialize the PCD database in DXE phase.\r | |
965 | \r | |
966 | PCD database in DXE phase also contains PCD database in PEI phase which is copied\r | |
967 | from GUID Hob.\r | |
968 | \r | |
969 | **/\r | |
970 | VOID\r | |
971 | BuildPcdDxeDataBase (\r | |
972 | VOID\r | |
973 | );\r | |
974 | \r | |
975 | /**\r | |
976 | Get local token number according to dynamic-ex PCD's {token space guid:token number}\r | |
977 | \r | |
978 | A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r | |
979 | in DEC file. PCD database maintain a mapping table that translate pair of {token\r | |
980 | space guid: token number} to local token number.\r | |
981 | \r | |
982 | @param Guid Token space guid for dynamic-ex PCD entry.\r | |
983 | @param ExTokenNumber Dynamic-ex PCD token number.\r | |
984 | \r | |
985 | @return local token number for dynamic-ex PCD.\r | |
986 | \r | |
987 | **/\r | |
988 | UINTN\r | |
989 | GetExPcdTokenNumber (\r | |
990 | IN CONST EFI_GUID *Guid,\r | |
991 | IN UINT32 ExTokenNumber\r | |
992 | );\r | |
993 | \r | |
994 | /**\r | |
995 | Get next token number in given token space.\r | |
996 | \r | |
997 | This routine is used for dynamicEx type PCD. It will firstly scan token space\r | |
998 | table to get token space according to given token space guid. Then scan given \r | |
999 | token number in found token space, if found, then return next token number in \r | |
1000 | this token space.\r | |
1001 | \r | |
1002 | @param Guid Token space guid. Next token number will be scaned in \r | |
1003 | this token space.\r | |
1004 | @param TokenNumber Token number. \r | |
1005 | If PCD_INVALID_TOKEN_NUMBER, return first token number in \r | |
1006 | token space table.\r | |
1007 | If not PCD_INVALID_TOKEN_NUMBER, return next token number\r | |
1008 | in token space table.\r | |
1009 | @param GuidTable Token space guid table. It will be used for scan token space\r | |
1010 | by given token space guid.\r | |
1011 | @param SizeOfGuidTable The size of guid table.\r | |
1012 | @param ExMapTable DynamicEx token number mapping table.\r | |
1013 | @param SizeOfExMapTable The size of dynamicEx token number mapping table.\r | |
1014 | \r | |
1015 | @retval EFI_NOT_FOUND Can not given token space or token number.\r | |
1016 | @retval EFI_SUCCESS Success to get next token number.\r | |
1017 | \r | |
1018 | **/\r | |
1019 | EFI_STATUS\r | |
1020 | ExGetNextTokeNumber (\r | |
1021 | IN CONST EFI_GUID *Guid,\r | |
1022 | IN OUT UINTN *TokenNumber,\r | |
1023 | IN EFI_GUID *GuidTable,\r | |
1024 | IN UINTN SizeOfGuidTable,\r | |
1025 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
1026 | IN UINTN SizeOfExMapTable\r | |
1027 | );\r | |
1028 | \r | |
1029 | /**\r | |
1030 | Get size of POINTER type PCD value.\r | |
1031 | \r | |
1032 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1033 | @param MaxSize Maximum size of POINTER type PCD value.\r | |
1034 | \r | |
1035 | @return size of POINTER type PCD value.\r | |
1036 | \r | |
1037 | **/\r | |
1038 | UINTN\r | |
1039 | GetPtrTypeSize (\r | |
1040 | IN UINTN LocalTokenNumberTableIdx,\r | |
1041 | OUT UINTN *MaxSize\r | |
1042 | );\r | |
1043 | \r | |
1044 | /**\r | |
1045 | Set size of POINTER type PCD value. The size should not exceed the maximum size\r | |
1046 | of this PCD value.\r | |
1047 | \r | |
1048 | @param LocalTokenNumberTableIdx Index of local token number in local token number table.\r | |
1049 | @param CurrentSize Size of POINTER type PCD value.\r | |
1050 | \r | |
1051 | @retval TRUE Success to set size of PCD value.\r | |
1052 | @retval FALSE Fail to set size of PCD value.\r | |
1053 | **/\r | |
1054 | BOOLEAN\r | |
1055 | SetPtrTypeSize (\r | |
1056 | IN UINTN LocalTokenNumberTableIdx,\r | |
1057 | IN OUT UINTN *CurrentSize\r | |
1058 | );\r | |
1059 | \r | |
1060 | extern EFI_GUID gPcdDataBaseHobGuid;\r | |
1061 | \r | |
1062 | extern PCD_DATABASE * mPcdDatabase;\r | |
1063 | \r | |
1064 | extern DXE_PCD_DATABASE_INIT gDXEPcdDbInit;\r | |
1065 | \r | |
1066 | extern EFI_LOCK mPcdDatabaseLock;\r | |
1067 | \r | |
1068 | #endif\r |