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e386b444 | 1 | /** @file\r |
2 | Implementation of PcdLib class library for DXE phase.\r | |
3 | \r | |
19388d29 HT |
4 | Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r |
5 | This program and the accompanying materials \r | |
e386b444 | 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 | |
c892d846 | 16 | \r |
c7d265a9 | 17 | #include <PiDxe.h>\r |
c892d846 | 18 | \r |
c7d265a9 | 19 | #include <Protocol/Pcd.h>\r |
ec735bb2 | 20 | #include <Protocol/PiPcd.h>\r |
c892d846 | 21 | \r |
c7d265a9 | 22 | #include <Library/PcdLib.h>\r |
23 | #include <Library/DebugLib.h>\r | |
24 | #include <Library/UefiBootServicesTableLib.h>\r | |
25 | #include <Library/BaseMemoryLib.h>\r | |
e386b444 | 26 | \r |
ec735bb2 | 27 | PCD_PROTOCOL *mPcd = NULL;\r |
28 | EFI_PCD_PROTOCOL *mPiPcd = NULL;\r | |
e386b444 | 29 | \r |
25366245 | 30 | /**\r |
31 | The constructor function caches the PCD_PROTOCOL pointer.\r | |
a3ac242b | 32 | \r |
25366245 | 33 | @param[in] ImageHandle The firmware allocated handle for the EFI image. \r |
34 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
35 | \r | |
36 | @retval EFI_SUCCESS The constructor always return EFI_SUCCESS.\r | |
e386b444 | 37 | \r |
38 | **/\r | |
25366245 | 39 | EFI_STATUS\r |
40 | EFIAPI\r | |
41 | PcdLibConstructor (\r | |
42 | IN EFI_HANDLE ImageHandle,\r | |
43 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
e386b444 | 44 | )\r |
45 | {\r | |
46 | EFI_STATUS Status;\r | |
47 | \r | |
25366245 | 48 | //\r |
ec735bb2 | 49 | // PCD protocol need to be installed before the module access Dynamic type PCD.\r |
50 | // But dynamic type PCD is not required in PI 1.2 specification.\r | |
25366245 | 51 | // \r |
ec735bb2 | 52 | gBS->LocateProtocol (&gPcdProtocolGuid, NULL, (VOID **)&mPcd);\r |
53 | \r | |
54 | //\r | |
55 | // PI Pcd protocol defined in PI 1.2 vol3 should be installed before the module \r | |
56 | // access DynamicEx type PCD.\r | |
57 | //\r | |
441ff98c | 58 | Status = gBS->LocateProtocol (&gEfiPcdProtocolGuid, NULL, (VOID **) &mPiPcd);\r |
ec735bb2 | 59 | \r |
25366245 | 60 | ASSERT_EFI_ERROR (Status);\r |
ec735bb2 | 61 | ASSERT (mPiPcd!= NULL);\r |
e386b444 | 62 | \r |
25366245 | 63 | return Status;\r |
e386b444 | 64 | }\r |
65 | \r | |
66 | \r | |
67 | /**\r | |
518db1d9 | 68 | This function provides a means by which SKU support can be established in the PCD infrastructure.\r |
69 | \r | |
e386b444 | 70 | Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r |
c00bdbb1 | 71 | If SkuId >= PCD_MAX_SKU_ID, then ASSERT(). \r |
518db1d9 | 72 | \r |
c00bdbb1 | 73 | @param SkuId The SKU value that will be used when the PCD service retrieves and sets values\r |
74 | associated with a PCD token.\r | |
e386b444 | 75 | \r |
c00bdbb1 | 76 | @return Return the SKU ID that just be set.\r |
e386b444 | 77 | \r |
78 | **/\r | |
79 | UINTN\r | |
80 | EFIAPI\r | |
81 | LibPcdSetSku (\r | |
518db1d9 | 82 | IN UINTN SkuId\r |
e386b444 | 83 | )\r |
84 | {\r | |
ec735bb2 | 85 | ASSERT (mPcd != NULL);\r |
ef64f703 | 86 | ASSERT (SkuId < PCD_MAX_SKU_ID);\r |
e386b444 | 87 | \r |
25366245 | 88 | mPcd->SetSku (SkuId);\r |
e386b444 | 89 | \r |
90 | return SkuId;\r | |
91 | }\r | |
92 | \r | |
93 | \r | |
94 | \r | |
95 | /**\r | |
518db1d9 | 96 | This function provides a means by which to retrieve a value for a given PCD token.\r |
97 | \r | |
e386b444 | 98 | Returns the 8-bit value for the token specified by TokenNumber. \r |
99 | \r | |
518db1d9 | 100 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
e386b444 | 101 | \r |
f73e0ad2 | 102 | @return Returns the 8-bit value for the token specified by TokenNumber. \r |
e386b444 | 103 | \r |
104 | **/\r | |
105 | UINT8\r | |
106 | EFIAPI\r | |
107 | LibPcdGet8 (\r | |
108 | IN UINTN TokenNumber\r | |
109 | )\r | |
110 | {\r | |
ec735bb2 | 111 | ASSERT (mPcd != NULL);\r |
25366245 | 112 | return mPcd->Get8 (TokenNumber);\r |
e386b444 | 113 | }\r |
114 | \r | |
115 | \r | |
116 | \r | |
117 | /**\r | |
518db1d9 | 118 | This function provides a means by which to retrieve a value for a given PCD token.\r |
119 | \r | |
e386b444 | 120 | Returns the 16-bit value for the token specified by TokenNumber. \r |
121 | \r | |
518db1d9 | 122 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
e386b444 | 123 | \r |
f73e0ad2 | 124 | @return Returns the 16-bit value for the token specified by TokenNumber. \r |
e386b444 | 125 | \r |
126 | **/\r | |
127 | UINT16\r | |
128 | EFIAPI\r | |
129 | LibPcdGet16 (\r | |
130 | IN UINTN TokenNumber\r | |
131 | )\r | |
132 | {\r | |
ec735bb2 | 133 | ASSERT (mPcd != NULL);\r |
25366245 | 134 | return mPcd->Get16 (TokenNumber);\r |
e386b444 | 135 | }\r |
136 | \r | |
137 | \r | |
138 | \r | |
139 | /**\r | |
518db1d9 | 140 | This function provides a means by which to retrieve a value for a given PCD token.\r |
141 | \r | |
e386b444 | 142 | Returns the 32-bit value for the token specified by TokenNumber. \r |
143 | \r | |
144 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
145 | \r | |
f73e0ad2 | 146 | @return Returns the 32-bit value for the token specified by TokenNumber.\r |
e386b444 | 147 | \r |
148 | **/\r | |
149 | UINT32\r | |
150 | EFIAPI\r | |
151 | LibPcdGet32 (\r | |
152 | IN UINTN TokenNumber\r | |
153 | )\r | |
154 | {\r | |
ec735bb2 | 155 | ASSERT (mPcd != NULL);\r |
25366245 | 156 | return mPcd->Get32 (TokenNumber);\r |
e386b444 | 157 | }\r |
158 | \r | |
159 | \r | |
160 | \r | |
161 | /**\r | |
518db1d9 | 162 | This function provides a means by which to retrieve a value for a given PCD token.\r |
163 | \r | |
e386b444 | 164 | Returns the 64-bit value for the token specified by TokenNumber.\r |
165 | \r | |
166 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
167 | \r | |
f73e0ad2 | 168 | @return Returns the 64-bit value for the token specified by TokenNumber.\r |
e386b444 | 169 | \r |
170 | **/\r | |
171 | UINT64\r | |
172 | EFIAPI\r | |
173 | LibPcdGet64 (\r | |
174 | IN UINTN TokenNumber\r | |
175 | )\r | |
176 | {\r | |
ec735bb2 | 177 | ASSERT (mPcd != NULL);\r |
25366245 | 178 | return mPcd->Get64 (TokenNumber);\r |
e386b444 | 179 | }\r |
180 | \r | |
181 | \r | |
182 | \r | |
183 | /**\r | |
518db1d9 | 184 | This function provides a means by which to retrieve a value for a given PCD token.\r |
185 | \r | |
e386b444 | 186 | Returns the pointer to the buffer of the token specified by TokenNumber.\r |
187 | \r | |
188 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
189 | \r | |
f73e0ad2 | 190 | @return Returns the pointer to the token specified by TokenNumber.\r |
e386b444 | 191 | \r |
192 | **/\r | |
193 | VOID *\r | |
194 | EFIAPI\r | |
195 | LibPcdGetPtr (\r | |
196 | IN UINTN TokenNumber\r | |
197 | )\r | |
198 | {\r | |
ec735bb2 | 199 | ASSERT (mPcd != NULL);\r |
25366245 | 200 | return mPcd->GetPtr (TokenNumber);\r |
e386b444 | 201 | }\r |
202 | \r | |
203 | \r | |
204 | \r | |
205 | /**\r | |
518db1d9 | 206 | This function provides a means by which to retrieve a value for a given PCD token.\r |
207 | \r | |
e386b444 | 208 | Returns the Boolean value of the token specified by TokenNumber. \r |
209 | \r | |
210 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
211 | \r | |
f73e0ad2 | 212 | @return Returns the Boolean value of the token specified by TokenNumber. \r |
e386b444 | 213 | \r |
214 | **/\r | |
215 | BOOLEAN \r | |
216 | EFIAPI\r | |
217 | LibPcdGetBool (\r | |
218 | IN UINTN TokenNumber\r | |
219 | )\r | |
220 | {\r | |
ec735bb2 | 221 | ASSERT (mPcd != NULL);\r |
25366245 | 222 | return mPcd->GetBool (TokenNumber);\r |
e386b444 | 223 | }\r |
224 | \r | |
225 | \r | |
226 | \r | |
227 | /**\r | |
518db1d9 | 228 | This function provides a means by which to retrieve the size of a given PCD token.\r |
e386b444 | 229 | \r |
230 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
231 | \r | |
f73e0ad2 | 232 | @return Returns the size of the token specified by TokenNumber. \r |
e386b444 | 233 | \r |
234 | **/\r | |
235 | UINTN\r | |
236 | EFIAPI\r | |
237 | LibPcdGetSize (\r | |
238 | IN UINTN TokenNumber\r | |
239 | )\r | |
240 | {\r | |
ec735bb2 | 241 | ASSERT (mPcd != NULL);\r |
25366245 | 242 | return mPcd->GetSize (TokenNumber);\r |
e386b444 | 243 | }\r |
244 | \r | |
245 | \r | |
246 | \r | |
247 | /**\r | |
518db1d9 | 248 | This function provides a means by which to retrieve a value for a given PCD token.\r |
249 | \r | |
e386b444 | 250 | Returns the 8-bit value for the token specified by TokenNumber and Guid.\r |
518db1d9 | 251 | \r |
e386b444 | 252 | If Guid is NULL, then ASSERT(). \r |
253 | \r | |
2fc59a00 | 254 | @param[in] Guid The pointer to a 128-bit unique value that designates \r |
c00bdbb1 | 255 | which namespace to retrieve a value from.\r |
256 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
e386b444 | 257 | \r |
f73e0ad2 | 258 | @return Return the UINT8.\r |
e386b444 | 259 | \r |
260 | **/\r | |
261 | UINT8\r | |
262 | EFIAPI\r | |
263 | LibPcdGetEx8 (\r | |
264 | IN CONST GUID *Guid,\r | |
265 | IN UINTN TokenNumber\r | |
266 | )\r | |
267 | {\r | |
268 | ASSERT (Guid != NULL);\r | |
269 | \r | |
9dbad162 | 270 | return mPiPcd->Get8 (Guid, TokenNumber);\r |
e386b444 | 271 | }\r |
272 | \r | |
273 | \r | |
274 | /**\r | |
518db1d9 | 275 | This function provides a means by which to retrieve a value for a given PCD token.\r |
276 | \r | |
e386b444 | 277 | Returns the 16-bit value for the token specified by TokenNumber and Guid.\r |
518db1d9 | 278 | \r |
e386b444 | 279 | If Guid is NULL, then ASSERT(). \r |
280 | \r | |
2fc59a00 | 281 | @param[in] Guid The pointer to a 128-bit unique value that designates \r |
c00bdbb1 | 282 | which namespace to retrieve a value from.\r |
283 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
e386b444 | 284 | \r |
f73e0ad2 | 285 | @return Return the UINT16.\r |
e386b444 | 286 | \r |
287 | **/\r | |
288 | UINT16\r | |
289 | EFIAPI\r | |
290 | LibPcdGetEx16 (\r | |
291 | IN CONST GUID *Guid,\r | |
292 | IN UINTN TokenNumber\r | |
293 | )\r | |
294 | {\r | |
295 | ASSERT (Guid != NULL);\r | |
296 | \r | |
9dbad162 | 297 | return mPiPcd->Get16 (Guid, TokenNumber);\r |
e386b444 | 298 | }\r |
299 | \r | |
300 | \r | |
301 | /**\r | |
302 | Returns the 32-bit value for the token specified by TokenNumber and Guid.\r | |
303 | If Guid is NULL, then ASSERT(). \r | |
304 | \r | |
2fc59a00 | 305 | @param[in] Guid The pointer to a 128-bit unique value that designates \r |
c00bdbb1 | 306 | which namespace to retrieve a value from.\r |
307 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
e386b444 | 308 | \r |
f73e0ad2 | 309 | @return Return the UINT32.\r |
e386b444 | 310 | \r |
311 | **/\r | |
312 | UINT32\r | |
313 | EFIAPI\r | |
314 | LibPcdGetEx32 (\r | |
315 | IN CONST GUID *Guid,\r | |
316 | IN UINTN TokenNumber\r | |
317 | )\r | |
318 | {\r | |
319 | ASSERT (Guid != NULL);\r | |
320 | \r | |
9dbad162 | 321 | return mPiPcd->Get32 (Guid, TokenNumber);\r |
e386b444 | 322 | }\r |
323 | \r | |
324 | \r | |
325 | \r | |
326 | /**\r | |
518db1d9 | 327 | This function provides a means by which to retrieve a value for a given PCD token.\r |
328 | \r | |
e386b444 | 329 | Returns the 64-bit value for the token specified by TokenNumber and Guid.\r |
518db1d9 | 330 | \r |
e386b444 | 331 | If Guid is NULL, then ASSERT(). \r |
332 | \r | |
2fc59a00 | 333 | @param[in] Guid The pointer to a 128-bit unique value that designates \r |
518db1d9 | 334 | which namespace to retrieve a value from.\r |
335 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
e386b444 | 336 | \r |
f73e0ad2 | 337 | @return Return the UINT64.\r |
e386b444 | 338 | \r |
339 | **/\r | |
340 | UINT64\r | |
341 | EFIAPI\r | |
342 | LibPcdGetEx64 (\r | |
343 | IN CONST GUID *Guid,\r | |
344 | IN UINTN TokenNumber\r | |
345 | )\r | |
346 | {\r | |
347 | ASSERT (Guid != NULL);\r | |
348 | \r | |
9dbad162 | 349 | return mPiPcd->Get64 (Guid, TokenNumber);\r |
e386b444 | 350 | }\r |
351 | \r | |
352 | \r | |
353 | \r | |
354 | /**\r | |
518db1d9 | 355 | This function provides a means by which to retrieve a value for a given PCD token.\r |
356 | \r | |
357 | Returns the pointer to the buffer of token specified by TokenNumber and Guid.\r | |
358 | \r | |
e386b444 | 359 | If Guid is NULL, then ASSERT(). \r |
360 | \r | |
2fc59a00 | 361 | @param[in] Guid The pointer to a 128-bit unique value that designates \r |
518db1d9 | 362 | which namespace to retrieve a value from.\r |
363 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
e386b444 | 364 | \r |
f73e0ad2 | 365 | @return Return the VOID* pointer.\r |
e386b444 | 366 | \r |
367 | **/\r | |
368 | VOID *\r | |
369 | EFIAPI\r | |
370 | LibPcdGetExPtr (\r | |
371 | IN CONST GUID *Guid,\r | |
372 | IN UINTN TokenNumber\r | |
373 | )\r | |
374 | {\r | |
375 | ASSERT (Guid != NULL);\r | |
376 | \r | |
9dbad162 | 377 | return mPiPcd->GetPtr (Guid, TokenNumber);\r |
e386b444 | 378 | }\r |
379 | \r | |
380 | \r | |
381 | \r | |
382 | /**\r | |
518db1d9 | 383 | This function provides a means by which to retrieve a value for a given PCD token.\r |
384 | \r | |
e386b444 | 385 | Returns the Boolean value of the token specified by TokenNumber and Guid. \r |
518db1d9 | 386 | \r |
e386b444 | 387 | If Guid is NULL, then ASSERT(). \r |
388 | \r | |
2fc59a00 | 389 | @param[in] Guid The pointer to a 128-bit unique value that designates \r |
518db1d9 | 390 | which namespace to retrieve a value from.\r |
391 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
e386b444 | 392 | \r |
f73e0ad2 | 393 | @return Return the BOOLEAN.\r |
e386b444 | 394 | \r |
395 | **/\r | |
396 | BOOLEAN\r | |
397 | EFIAPI\r | |
398 | LibPcdGetExBool (\r | |
399 | IN CONST GUID *Guid,\r | |
400 | IN UINTN TokenNumber\r | |
401 | )\r | |
402 | {\r | |
403 | ASSERT (Guid != NULL);\r | |
404 | \r | |
9dbad162 | 405 | return mPiPcd->GetBool (Guid, TokenNumber);\r |
e386b444 | 406 | }\r |
407 | \r | |
408 | \r | |
409 | \r | |
410 | /**\r | |
518db1d9 | 411 | This function provides a means by which to retrieve the size of a given PCD token.\r |
412 | \r | |
e386b444 | 413 | Returns the size of the token specified by TokenNumber and Guid. \r |
518db1d9 | 414 | \r |
e386b444 | 415 | If Guid is NULL, then ASSERT(). \r |
416 | \r | |
2fc59a00 | 417 | @param[in] Guid The pointer to a 128-bit unique value that designates \r |
518db1d9 | 418 | which namespace to retrieve a value from.\r |
419 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r | |
e386b444 | 420 | \r |
f73e0ad2 | 421 | @return Return the size.\r |
e386b444 | 422 | \r |
423 | **/\r | |
424 | UINTN\r | |
425 | EFIAPI\r | |
426 | LibPcdGetExSize (\r | |
427 | IN CONST GUID *Guid,\r | |
428 | IN UINTN TokenNumber\r | |
429 | )\r | |
430 | {\r | |
431 | ASSERT (Guid != NULL);\r | |
432 | \r | |
9dbad162 | 433 | return mPiPcd->GetSize (Guid, TokenNumber);\r |
e386b444 | 434 | }\r |
435 | \r | |
436 | \r | |
437 | \r | |
438 | /**\r | |
518db1d9 | 439 | This function provides a means by which to set a value for a given PCD token.\r |
440 | \r | |
e386b444 | 441 | Sets the 8-bit value for the token specified by TokenNumber \r |
442 | to the value specified by Value. Value is returned.\r | |
443 | \r | |
518db1d9 | 444 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
445 | @param[in] Value The 8-bit value to set.\r | |
e386b444 | 446 | \r |
58380e9c | 447 | @return Return the value that was set.\r |
e386b444 | 448 | \r |
449 | **/\r | |
450 | UINT8\r | |
451 | EFIAPI\r | |
452 | LibPcdSet8 (\r | |
453 | IN UINTN TokenNumber,\r | |
454 | IN UINT8 Value\r | |
455 | )\r | |
456 | {\r | |
457 | EFI_STATUS Status;\r | |
458 | \r | |
ec735bb2 | 459 | ASSERT (mPcd != NULL);\r |
25366245 | 460 | Status = mPcd->Set8 (TokenNumber, Value);\r |
e386b444 | 461 | \r |
462 | ASSERT_EFI_ERROR (Status);\r | |
463 | \r | |
464 | return Value;\r | |
465 | }\r | |
466 | \r | |
467 | \r | |
468 | \r | |
469 | /**\r | |
518db1d9 | 470 | This function provides a means by which to set a value for a given PCD token.\r |
471 | \r | |
e386b444 | 472 | Sets the 16-bit value for the token specified by TokenNumber \r |
473 | to the value specified by Value. Value is returned.\r | |
474 | \r | |
518db1d9 | 475 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
476 | @param[in] Value The 16-bit value to set.\r | |
e386b444 | 477 | \r |
58380e9c | 478 | @return Return the value that was set.\r |
e386b444 | 479 | \r |
480 | **/\r | |
481 | UINT16\r | |
482 | EFIAPI\r | |
483 | LibPcdSet16 (\r | |
484 | IN UINTN TokenNumber,\r | |
485 | IN UINT16 Value\r | |
486 | )\r | |
487 | {\r | |
488 | EFI_STATUS Status;\r | |
489 | \r | |
ec735bb2 | 490 | ASSERT (mPcd != NULL);\r |
25366245 | 491 | Status = mPcd->Set16 (TokenNumber, Value);\r |
e386b444 | 492 | \r |
493 | ASSERT_EFI_ERROR (Status);\r | |
494 | \r | |
495 | return Value;\r | |
496 | }\r | |
497 | \r | |
498 | \r | |
499 | \r | |
500 | /**\r | |
518db1d9 | 501 | This function provides a means by which to set a value for a given PCD token.\r |
502 | \r | |
e386b444 | 503 | Sets the 32-bit value for the token specified by TokenNumber \r |
504 | to the value specified by Value. Value is returned.\r | |
505 | \r | |
518db1d9 | 506 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
507 | @param[in] Value The 32-bit value to set.\r | |
e386b444 | 508 | \r |
58380e9c | 509 | @return Return the value that was set.\r |
e386b444 | 510 | \r |
511 | **/\r | |
512 | UINT32\r | |
513 | EFIAPI\r | |
514 | LibPcdSet32 (\r | |
515 | IN UINTN TokenNumber,\r | |
518db1d9 | 516 | IN UINT32 Value\r |
e386b444 | 517 | )\r |
518 | {\r | |
519 | EFI_STATUS Status;\r | |
ec735bb2 | 520 | \r |
521 | ASSERT (mPcd != NULL);\r | |
25366245 | 522 | Status = mPcd->Set32 (TokenNumber, Value);\r |
e386b444 | 523 | \r |
524 | ASSERT_EFI_ERROR (Status);\r | |
525 | \r | |
526 | return Value;\r | |
527 | }\r | |
528 | \r | |
529 | \r | |
530 | \r | |
531 | /**\r | |
518db1d9 | 532 | This function provides a means by which to set a value for a given PCD token.\r |
533 | \r | |
e386b444 | 534 | Sets the 64-bit value for the token specified by TokenNumber \r |
535 | to the value specified by Value. Value is returned.\r | |
536 | \r | |
518db1d9 | 537 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
538 | @param[in] Value The 64-bit value to set.\r | |
e386b444 | 539 | \r |
58380e9c | 540 | @return Return the value that was set.\r |
e386b444 | 541 | \r |
542 | **/\r | |
543 | UINT64\r | |
544 | EFIAPI\r | |
545 | LibPcdSet64 (\r | |
546 | IN UINTN TokenNumber,\r | |
518db1d9 | 547 | IN UINT64 Value\r |
e386b444 | 548 | )\r |
549 | {\r | |
550 | EFI_STATUS Status;\r | |
551 | \r | |
ec735bb2 | 552 | ASSERT (mPcd != NULL);\r |
25366245 | 553 | Status = mPcd->Set64 (TokenNumber, Value);\r |
e386b444 | 554 | \r |
555 | ASSERT_EFI_ERROR (Status);\r | |
556 | \r | |
557 | return Value;\r | |
558 | }\r | |
559 | \r | |
560 | \r | |
561 | \r | |
562 | /**\r | |
518db1d9 | 563 | This function provides a means by which to set a value for a given PCD token.\r |
e386b444 | 564 | \r |
518db1d9 | 565 | Sets a buffer for the token specified by TokenNumber to the value \r |
566 | specified by Buffer and SizeOfBuffer. Buffer is returned. \r | |
567 | If SizeOfBuffer is greater than the maximum size support by TokenNumber, \r | |
568 | then set SizeOfBuffer to the maximum size supported by TokenNumber and \r | |
569 | return NULL to indicate that the set operation was not actually performed. \r | |
570 | \r | |
571 | If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the \r | |
572 | maximum size supported by TokenName and NULL must be returned.\r | |
e386b444 | 573 | \r |
518db1d9 | 574 | If SizeOfBuffer is NULL, then ASSERT().\r |
71f36e0f | 575 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r |
e386b444 | 576 | \r |
2a254b90 | 577 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
63e4dba9 | 578 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r |
2a254b90 | 579 | @param[in] Buffer A pointer to the buffer to set.\r |
e386b444 | 580 | \r |
f73e0ad2 | 581 | @return Return the pointer for the buffer been set.\r |
e386b444 | 582 | \r |
583 | **/\r | |
e386b444 | 584 | VOID *\r |
585 | EFIAPI\r | |
586 | LibPcdSetPtr (\r | |
64735d24 | 587 | IN UINTN TokenNumber,\r |
588 | IN OUT UINTN *SizeOfBuffer,\r | |
b52f6a1a | 589 | IN CONST VOID *Buffer\r |
e386b444 | 590 | )\r |
591 | {\r | |
592 | EFI_STATUS Status;\r | |
593 | \r | |
ec735bb2 | 594 | ASSERT (mPcd != NULL);\r |
e386b444 | 595 | ASSERT (SizeOfBuffer != NULL);\r |
596 | \r | |
597 | if (*SizeOfBuffer > 0) {\r | |
598 | ASSERT (Buffer != NULL);\r | |
599 | }\r | |
600 | \r | |
b52f6a1a | 601 | Status = mPcd->SetPtr (TokenNumber, SizeOfBuffer, (VOID *) Buffer);\r |
e386b444 | 602 | \r |
603 | if (EFI_ERROR (Status)) {\r | |
604 | return NULL;\r | |
605 | }\r | |
606 | \r | |
b52f6a1a | 607 | return (VOID *) Buffer;\r |
e386b444 | 608 | }\r |
609 | \r | |
610 | \r | |
611 | \r | |
612 | /**\r | |
518db1d9 | 613 | This function provides a means by which to set a value for a given PCD token.\r |
614 | \r | |
e386b444 | 615 | Sets the Boolean value for the token specified by TokenNumber \r |
616 | to the value specified by Value. Value is returned.\r | |
617 | \r | |
518db1d9 | 618 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
619 | @param[in] Value The boolean value to set.\r | |
e386b444 | 620 | \r |
58380e9c | 621 | @return Return the value that was set.\r |
e386b444 | 622 | \r |
623 | **/\r | |
624 | BOOLEAN\r | |
625 | EFIAPI\r | |
626 | LibPcdSetBool (\r | |
627 | IN UINTN TokenNumber,\r | |
628 | IN BOOLEAN Value\r | |
629 | )\r | |
630 | {\r | |
631 | EFI_STATUS Status;\r | |
632 | \r | |
ec735bb2 | 633 | ASSERT (mPcd != NULL);\r |
25366245 | 634 | Status = mPcd->SetBool (TokenNumber, Value);\r |
e386b444 | 635 | \r |
636 | ASSERT_EFI_ERROR (Status);\r | |
637 | \r | |
638 | return Value;\r | |
639 | }\r | |
640 | \r | |
641 | \r | |
642 | \r | |
643 | /**\r | |
518db1d9 | 644 | This function provides a means by which to set a value for a given PCD token.\r |
645 | \r | |
e386b444 | 646 | Sets the 8-bit value for the token specified by TokenNumber and \r |
647 | Guid to the value specified by Value. Value is returned.\r | |
518db1d9 | 648 | \r |
e386b444 | 649 | If Guid is NULL, then ASSERT().\r |
650 | \r | |
2fc59a00 | 651 | @param[in] Guid The pointer to a 128-bit unique value that \r |
518db1d9 | 652 | designates which namespace to set a value from.\r |
653 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
654 | @param[in] Value The 8-bit value to set.\r | |
e386b444 | 655 | \r |
58380e9c | 656 | @return Return the value that was set.\r |
e386b444 | 657 | \r |
658 | **/\r | |
659 | UINT8\r | |
660 | EFIAPI\r | |
661 | LibPcdSetEx8 (\r | |
662 | IN CONST GUID *Guid,\r | |
663 | IN UINTN TokenNumber,\r | |
664 | IN UINT8 Value\r | |
665 | )\r | |
666 | {\r | |
667 | EFI_STATUS Status;\r | |
668 | \r | |
669 | ASSERT (Guid != NULL);\r | |
670 | \r | |
9dbad162 | 671 | Status = mPiPcd->Set8 (Guid, TokenNumber, Value);\r |
e386b444 | 672 | \r |
673 | ASSERT_EFI_ERROR (Status);\r | |
674 | \r | |
675 | return Value;\r | |
676 | }\r | |
677 | \r | |
678 | \r | |
679 | \r | |
680 | /**\r | |
518db1d9 | 681 | This function provides a means by which to set a value for a given PCD token.\r |
682 | \r | |
e386b444 | 683 | Sets the 16-bit value for the token specified by TokenNumber and \r |
684 | Guid to the value specified by Value. Value is returned.\r | |
518db1d9 | 685 | \r |
e386b444 | 686 | If Guid is NULL, then ASSERT().\r |
687 | \r | |
2fc59a00 | 688 | @param[in] Guid The pointer to a 128-bit unique value that \r |
518db1d9 | 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 16-bit value to set.\r | |
e386b444 | 692 | \r |
58380e9c | 693 | @return Return the value that was set.\r |
e386b444 | 694 | \r |
695 | **/\r | |
696 | UINT16\r | |
697 | EFIAPI\r | |
698 | LibPcdSetEx16 (\r | |
699 | IN CONST GUID *Guid,\r | |
700 | IN UINTN TokenNumber,\r | |
701 | IN UINT16 Value\r | |
702 | )\r | |
703 | {\r | |
704 | EFI_STATUS Status;\r | |
705 | \r | |
706 | ASSERT (Guid != NULL);\r | |
707 | \r | |
9dbad162 | 708 | Status = mPiPcd->Set16 (Guid, TokenNumber, Value);\r |
e386b444 | 709 | \r |
710 | ASSERT_EFI_ERROR (Status);\r | |
711 | \r | |
712 | return Value;\r | |
713 | }\r | |
714 | \r | |
715 | \r | |
716 | \r | |
717 | /**\r | |
518db1d9 | 718 | This function provides a means by which to set a value for a given PCD token.\r |
719 | \r | |
e386b444 | 720 | Sets the 32-bit value for the token specified by TokenNumber and \r |
721 | Guid to the value specified by Value. Value is returned.\r | |
518db1d9 | 722 | \r |
e386b444 | 723 | If Guid is NULL, then ASSERT().\r |
724 | \r | |
2fc59a00 | 725 | @param[in] Guid The pointer to a 128-bit unique value that \r |
518db1d9 | 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] Value The 32-bit value to set.\r | |
e386b444 | 729 | \r |
58380e9c | 730 | @return Return the value that was set.\r |
e386b444 | 731 | \r |
732 | **/\r | |
733 | UINT32\r | |
734 | EFIAPI\r | |
735 | LibPcdSetEx32 (\r | |
736 | IN CONST GUID *Guid,\r | |
737 | IN UINTN TokenNumber,\r | |
518db1d9 | 738 | IN UINT32 Value\r |
e386b444 | 739 | )\r |
740 | {\r | |
741 | EFI_STATUS Status;\r | |
742 | \r | |
743 | ASSERT (Guid != NULL);\r | |
744 | \r | |
9dbad162 | 745 | Status = mPiPcd->Set32 (Guid, TokenNumber, Value);\r |
e386b444 | 746 | \r |
747 | ASSERT_EFI_ERROR (Status);\r | |
748 | \r | |
749 | return Value;\r | |
750 | }\r | |
751 | \r | |
752 | \r | |
753 | \r | |
754 | /**\r | |
518db1d9 | 755 | This function provides a means by which to set a value for a given PCD token.\r |
756 | \r | |
e386b444 | 757 | Sets the 64-bit value for the token specified by TokenNumber and \r |
758 | Guid to the value specified by Value. Value is returned.\r | |
759 | If Guid is NULL, then ASSERT().\r | |
760 | \r | |
2fc59a00 | 761 | @param[in] Guid The pointer to a 128-bit unique value that \r |
518db1d9 | 762 | designates which namespace to set a value from.\r |
763 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
764 | @param[in] Value The 64-bit value to set.\r | |
e386b444 | 765 | \r |
58380e9c | 766 | @return Return the value that was set.\r |
e386b444 | 767 | \r |
768 | **/\r | |
769 | UINT64\r | |
770 | EFIAPI\r | |
771 | LibPcdSetEx64 (\r | |
772 | IN CONST GUID *Guid,\r | |
773 | IN UINTN TokenNumber,\r | |
518db1d9 | 774 | IN UINT64 Value\r |
e386b444 | 775 | )\r |
776 | {\r | |
777 | EFI_STATUS Status;\r | |
778 | \r | |
779 | ASSERT (Guid != NULL);\r | |
780 | \r | |
9dbad162 | 781 | Status = mPiPcd->Set64 (Guid, TokenNumber, Value);\r |
e386b444 | 782 | \r |
783 | ASSERT_EFI_ERROR (Status);\r | |
784 | \r | |
785 | return Value;\r | |
786 | }\r | |
787 | \r | |
788 | \r | |
789 | \r | |
790 | /**\r | |
518db1d9 | 791 | This function provides a means by which to set a value for a given PCD token.\r |
792 | \r | |
e386b444 | 793 | Sets a buffer for the token specified by TokenNumber to the value specified by \r |
ef64f703 | 794 | Buffer and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than \r |
795 | the maximum size support by TokenNumber, then set SizeOfBuffer to the maximum size \r | |
e386b444 | 796 | supported by TokenNumber and return NULL to indicate that the set operation \r |
797 | was not actually performed. \r | |
798 | \r | |
518db1d9 | 799 | If Guid is NULL, then ASSERT().\r |
800 | If SizeOfBuffer is NULL, then ASSERT().\r | |
ef64f703 | 801 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r |
e386b444 | 802 | \r |
2fc59a00 | 803 | @param[in] Guid The pointer to a 128-bit unique value that \r |
518db1d9 | 804 | designates which namespace to set a value from.\r |
805 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
806 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r | |
807 | @param[in] Buffer A pointer to the buffer to set.\r | |
e386b444 | 808 | \r |
f73e0ad2 | 809 | @return Return the pinter to the buffer been set.\r |
e386b444 | 810 | \r |
811 | **/\r | |
812 | VOID *\r | |
813 | EFIAPI\r | |
814 | LibPcdSetExPtr (\r | |
815 | IN CONST GUID *Guid,\r | |
816 | IN UINTN TokenNumber,\r | |
817 | IN OUT UINTN *SizeOfBuffer,\r | |
818 | IN VOID *Buffer\r | |
819 | )\r | |
820 | {\r | |
821 | EFI_STATUS Status;\r | |
822 | \r | |
823 | ASSERT (Guid != NULL);\r | |
824 | \r | |
825 | ASSERT (SizeOfBuffer != NULL);\r | |
826 | \r | |
827 | if (*SizeOfBuffer > 0) {\r | |
828 | ASSERT (Buffer != NULL);\r | |
829 | }\r | |
830 | \r | |
9dbad162 | 831 | Status = mPiPcd->SetPtr (Guid, TokenNumber, SizeOfBuffer, Buffer);\r |
e386b444 | 832 | \r |
833 | if (EFI_ERROR (Status)) {\r | |
834 | return NULL;\r | |
835 | }\r | |
836 | \r | |
837 | return Buffer;\r | |
838 | }\r | |
839 | \r | |
840 | \r | |
841 | \r | |
842 | /**\r | |
518db1d9 | 843 | This function provides a means by which to set a value for a given PCD token.\r |
844 | \r | |
e386b444 | 845 | Sets the Boolean value for the token specified by TokenNumber and \r |
846 | Guid to the value specified by Value. Value is returned.\r | |
518db1d9 | 847 | \r |
e386b444 | 848 | If Guid is NULL, then ASSERT().\r |
849 | \r | |
2fc59a00 | 850 | @param[in] Guid The pointer to a 128-bit unique value that \r |
518db1d9 | 851 | designates which namespace to set a value from.\r |
852 | @param[in] TokenNumber The PCD token number to set a current value for.\r | |
853 | @param[in] Value The Boolean value to set.\r | |
e386b444 | 854 | \r |
58380e9c | 855 | @return Return the value that was set.\r |
e386b444 | 856 | \r |
857 | **/\r | |
858 | BOOLEAN\r | |
859 | EFIAPI\r | |
860 | LibPcdSetExBool (\r | |
861 | IN CONST GUID *Guid,\r | |
862 | IN UINTN TokenNumber,\r | |
863 | IN BOOLEAN Value\r | |
864 | )\r | |
865 | {\r | |
866 | EFI_STATUS Status;\r | |
867 | \r | |
868 | ASSERT (Guid != NULL);\r | |
869 | \r | |
9dbad162 | 870 | Status = mPiPcd->SetBool (Guid, TokenNumber, Value);\r |
e386b444 | 871 | \r |
872 | ASSERT_EFI_ERROR (Status);\r | |
873 | \r | |
874 | return Value;\r | |
875 | }\r | |
876 | \r | |
877 | \r | |
878 | \r | |
879 | /**\r | |
518db1d9 | 880 | Set up a notification function that is called when a specified token is set.\r |
881 | \r | |
e386b444 | 882 | When the token specified by TokenNumber and Guid is set, \r |
883 | then notification function specified by NotificationFunction is called. \r | |
c00bdbb1 | 884 | If Guid is NULL, then the default token space is used.\r |
518db1d9 | 885 | If NotificationFunction is NULL, then ASSERT().\r |
886 | \r | |
2fc59a00 | 887 | @param[in] Guid The pointer to a 128-bit unique value that designates which \r |
c00bdbb1 | 888 | namespace to set a value from. If NULL, then the default \r |
889 | token space is used.\r | |
890 | @param[in] TokenNumber The PCD token number to monitor.\r | |
518db1d9 | 891 | @param[in] NotificationFunction The function to call when the token \r |
892 | specified by Guid and TokenNumber is set.\r | |
893 | \r | |
e386b444 | 894 | **/\r |
895 | VOID\r | |
896 | EFIAPI\r | |
897 | LibPcdCallbackOnSet (\r | |
898 | IN CONST GUID *Guid, OPTIONAL\r | |
899 | IN UINTN TokenNumber,\r | |
900 | IN PCD_CALLBACK NotificationFunction\r | |
901 | )\r | |
902 | {\r | |
903 | EFI_STATUS Status;\r | |
904 | \r | |
905 | ASSERT (NotificationFunction != NULL);\r | |
906 | \r | |
0c561f41 | 907 | Status = mPiPcd->CallbackOnSet (Guid, TokenNumber, (EFI_PCD_PROTOCOL_CALLBACK) NotificationFunction);\r |
e386b444 | 908 | \r |
909 | ASSERT_EFI_ERROR (Status);\r | |
910 | \r | |
911 | return;\r | |
912 | }\r | |
913 | \r | |
914 | \r | |
915 | \r | |
916 | /**\r | |
917 | Disable a notification function that was established with LibPcdCallbackonSet().\r | |
518db1d9 | 918 | \r |
c00bdbb1 | 919 | Disable a notification function that was previously established with LibPcdCallbackOnSet().\r |
e386b444 | 920 | If NotificationFunction is NULL, then ASSERT().\r |
518db1d9 | 921 | If LibPcdCallbackOnSet() was not previously called with Guid, TokenNumber, \r |
922 | and NotificationFunction, then ASSERT().\r | |
ef64f703 | 923 | \r |
c00bdbb1 | 924 | @param[in] Guid Specify the GUID token space.\r |
925 | @param[in] TokenNumber Specify the token number.\r | |
e386b444 | 926 | @param[in] NotificationFunction The callback function to be unregistered.\r |
927 | \r | |
e386b444 | 928 | **/\r |
929 | VOID\r | |
930 | EFIAPI\r | |
931 | LibPcdCancelCallback (\r | |
932 | IN CONST GUID *Guid, OPTIONAL\r | |
933 | IN UINTN TokenNumber,\r | |
934 | IN PCD_CALLBACK NotificationFunction\r | |
935 | )\r | |
936 | {\r | |
937 | EFI_STATUS Status;\r | |
938 | \r | |
939 | ASSERT (NotificationFunction != NULL);\r | |
940 | \r | |
0c561f41 | 941 | Status = mPiPcd->CancelCallback (Guid, TokenNumber, (EFI_PCD_PROTOCOL_CALLBACK) NotificationFunction);\r |
e386b444 | 942 | \r |
943 | ASSERT_EFI_ERROR (Status);\r | |
944 | \r | |
945 | return;\r | |
946 | }\r | |
947 | \r | |
948 | \r | |
949 | \r | |
950 | /**\r | |
518db1d9 | 951 | Retrieves the next token in a token space.\r |
952 | \r | |
e386b444 | 953 | Retrieves the next PCD token number from the token space specified by Guid. \r |
954 | If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r | |
955 | then the first token number is returned. Otherwise, the token number that \r | |
956 | follows TokenNumber in the token space is returned. If TokenNumber is the last \r | |
518db1d9 | 957 | token number in the token space, then 0 is returned. \r |
958 | \r | |
959 | If TokenNumber is not 0 and is not in the token space specified by Guid, then ASSERT().\r | |
e386b444 | 960 | \r |
2fc59a00 | 961 | @param[in] Guid The pointer to a 128-bit unique value that designates which namespace \r |
2a254b90 | 962 | to set a value from. If NULL, then the default token space is used.\r |
963 | @param[in] TokenNumber The previous PCD token number. If 0, then retrieves the first PCD \r | |
964 | token number.\r | |
e386b444 | 965 | \r |
f73e0ad2 | 966 | @return The next valid token number.\r |
e386b444 | 967 | \r |
968 | **/\r | |
518db1d9 | 969 | UINTN \r |
e386b444 | 970 | EFIAPI\r |
971 | LibPcdGetNextToken (\r | |
518db1d9 | 972 | IN CONST GUID *Guid, OPTIONAL\r |
973 | IN UINTN TokenNumber\r | |
e386b444 | 974 | )\r |
975 | {\r | |
976 | EFI_STATUS Status;\r | |
977 | \r | |
ec735bb2 | 978 | Status = mPiPcd->GetNextToken (Guid, &TokenNumber);\r |
e386b444 | 979 | \r |
980 | ASSERT_EFI_ERROR (Status);\r | |
981 | \r | |
982 | return TokenNumber;\r | |
983 | }\r | |
984 | \r | |
985 | \r | |
986 | \r | |
987 | /**\r | |
64735d24 | 988 | Used to retrieve the list of available PCD token space GUIDs.\r |
989 | \r | |
c00bdbb1 | 990 | Returns the PCD token space GUID that follows TokenSpaceGuid in the list of token spaces\r |
991 | in the platform.\r | |
992 | If TokenSpaceGuid is NULL, then a pointer to the first PCD token spaces returned.\r | |
993 | If TokenSpaceGuid is the last PCD token space GUID in the list, then NULL is returned.\r | |
e386b444 | 994 | \r |
58380e9c | 995 | @param TokenSpaceGuid The pointer to the a PCD token space GUID.\r |
e386b444 | 996 | \r |
f73e0ad2 | 997 | @return The next valid token namespace.\r |
e386b444 | 998 | \r |
999 | **/\r | |
c00bdbb1 | 1000 | GUID *\r |
e386b444 | 1001 | EFIAPI\r |
1002 | LibPcdGetNextTokenSpace (\r | |
64735d24 | 1003 | IN CONST GUID *TokenSpaceGuid\r |
e386b444 | 1004 | )\r |
1005 | {\r | |
1006 | EFI_STATUS Status;\r | |
1007 | \r | |
ec735bb2 | 1008 | Status = mPiPcd->GetNextTokenSpace (&TokenSpaceGuid);\r |
e386b444 | 1009 | \r |
1010 | ASSERT_EFI_ERROR (Status);\r | |
1011 | \r | |
64735d24 | 1012 | return (GUID *) TokenSpaceGuid;\r |
e386b444 | 1013 | }\r |
1014 | \r | |
1015 | \r | |
1016 | /**\r | |
518db1d9 | 1017 | Sets a value of a patchable PCD entry that is type pointer.\r |
1018 | \r | |
e386b444 | 1019 | Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r |
ef64f703 | 1020 | and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than \r |
1021 | MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return \r | |
e386b444 | 1022 | NULL to indicate that the set operation was not actually performed. \r |
ef64f703 | 1023 | If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to \r |
e386b444 | 1024 | MaximumDatumSize and NULL must be returned.\r |
1025 | \r | |
1026 | If PatchVariable is NULL, then ASSERT().\r | |
ef64f703 | 1027 | If SizeOfBuffer is NULL, then ASSERT().\r |
1028 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r | |
e386b444 | 1029 | \r |
1030 | @param[in] PatchVariable A pointer to the global variable in a module that is \r | |
1031 | the target of the set operation.\r | |
1032 | @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.\r | |
1033 | @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.\r | |
1034 | @param[in] Buffer A pointer to the buffer to used to set the target variable.\r | |
518db1d9 | 1035 | \r |
9638ba6d | 1036 | @return Return the pointer to the buffer been set.\r |
518db1d9 | 1037 | \r |
e386b444 | 1038 | **/\r |
1039 | VOID *\r | |
1040 | EFIAPI\r | |
1041 | LibPatchPcdSetPtr (\r | |
1042 | IN VOID *PatchVariable,\r | |
1043 | IN UINTN MaximumDatumSize,\r | |
1044 | IN OUT UINTN *SizeOfBuffer,\r | |
1045 | IN CONST VOID *Buffer\r | |
1046 | )\r | |
1047 | {\r | |
1048 | ASSERT (PatchVariable != NULL);\r | |
1049 | ASSERT (SizeOfBuffer != NULL);\r | |
1050 | \r | |
1051 | if (*SizeOfBuffer > 0) {\r | |
1052 | ASSERT (Buffer != NULL);\r | |
1053 | }\r | |
1054 | \r | |
1055 | if ((*SizeOfBuffer > MaximumDatumSize) ||\r | |
1056 | (*SizeOfBuffer == MAX_ADDRESS)) {\r | |
1057 | *SizeOfBuffer = MaximumDatumSize;\r | |
1058 | return NULL;\r | |
1059 | }\r | |
1060 | \r | |
1061 | CopyMem (PatchVariable, Buffer, *SizeOfBuffer);\r | |
1062 | \r | |
1063 | return (VOID *) Buffer;\r | |
1064 | }\r | |
1065 | \r | |
1066 | \r | |
1067 | \r |