| 878ddf1f |
1 | /** @file\r |
| 2 | Implementation of PcdLib class library for PEI phase.\r |
| 3 | \r |
| 4 | Copyright (c) 2006, Intel Corporation<BR>\r |
| 5 | All rights reserved. This program and the accompanying materials \r |
| 6 | are licensed and made available under the terms and conditions of the BSD License \r |
| 7 | which accompanies this distribution. The full text of the license may be found at \r |
| 8 | http://opensource.org/licenses/bsd-license.php \r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 12 | \r |
| 13 | \r |
| 14 | Module Name: PeiPcdLib.c\r |
| 15 | \r |
| 16 | **/\r |
| 17 | \r |
| 18 | \r |
| 19 | \r |
| 20 | /**\r |
| 21 | The constructor function retrieve the PCD_PPI pointer.\r |
| 22 | \r |
| 23 | @param[in] VOID\r |
| 24 | \r |
| 25 | @retval PCD_PPI * The pointer to the PCD_PPI.\r |
| 26 | \r |
| 27 | **/\r |
| 28 | PCD_PPI *\r |
| 29 | GetPcdPpiPtr (\r |
| 30 | VOID\r |
| 31 | ) \r |
| 32 | {\r |
| 33 | EFI_STATUS Status;\r |
| 34 | PCD_PPI *PcdPpi;\r |
| 35 | EFI_PEI_SERVICES **PeiServices;\r |
| 36 | \r |
| 37 | \r |
| 38 | PeiServices = GetPeiServicesTablePointer ();\r |
| 39 | \r |
| 40 | Status = (**PeiServices).LocatePpi (\r |
| 41 | PeiServices,\r |
| 42 | &gPcdPpiGuid,\r |
| 43 | 0,\r |
| 44 | NULL,\r |
| 45 | (VOID **)&PcdPpi\r |
| 46 | );\r |
| 47 | \r |
| 48 | ASSERT_EFI_ERROR (Status);\r |
| 49 | \r |
| 50 | return PcdPpi;\r |
| 51 | }\r |
| 52 | \r |
| 53 | \r |
| 54 | \r |
| 55 | /**\r |
| 56 | Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r |
| 57 | \r |
| 58 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r |
| 59 | set values associated with a PCD token.\r |
| 60 | \r |
| b16ef805 |
61 | @retval SKU_ID Return the SKU ID that just be set.\r |
| 878ddf1f |
62 | \r |
| 63 | **/\r |
| 8a43e8dd |
64 | UINTN\r |
| 878ddf1f |
65 | EFIAPI\r |
| 66 | LibPcdSetSku (\r |
| 8a43e8dd |
67 | IN UINTN SkuId\r |
| 878ddf1f |
68 | )\r |
| 69 | {\r |
| 878ddf1f |
70 | \r |
| b16ef805 |
71 | GetPcdPpiPtr()->SetSku (SkuId);;\r |
| 878ddf1f |
72 | \r |
| 73 | return SkuId;\r |
| 74 | }\r |
| 75 | \r |
| 76 | \r |
| 77 | \r |
| 78 | /**\r |
| 79 | Returns the 8-bit value for the token specified by TokenNumber. \r |
| 80 | \r |
| 81 | @param[in] The PCD token number to retrieve a current value for.\r |
| 82 | \r |
| 83 | @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber. \r |
| 84 | \r |
| 85 | **/\r |
| 86 | UINT8\r |
| 87 | EFIAPI\r |
| 88 | LibPcdGet8 (\r |
| 8a43e8dd |
89 | IN UINTN TokenNumber\r |
| 878ddf1f |
90 | )\r |
| 91 | {\r |
| 92 | PCD_PPI * PcdPpi;\r |
| 93 | \r |
| 94 | PcdPpi = GetPcdPpiPtr ();\r |
| 95 | \r |
| 96 | return PcdPpi->Get8 (TokenNumber);\r |
| 97 | }\r |
| 98 | \r |
| 99 | \r |
| 100 | \r |
| 101 | /**\r |
| 102 | Returns the 16-bit value for the token specified by TokenNumber. \r |
| 103 | \r |
| 104 | @param[in] The PCD token number to retrieve a current value for.\r |
| 105 | \r |
| 106 | @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber. \r |
| 107 | \r |
| 108 | **/\r |
| 109 | UINT16\r |
| 110 | EFIAPI\r |
| 111 | LibPcdGet16 (\r |
| 8a43e8dd |
112 | IN UINTN TokenNumber\r |
| 878ddf1f |
113 | )\r |
| 114 | {\r |
| 115 | PCD_PPI *PcdPpi;\r |
| 116 | \r |
| 117 | PcdPpi = GetPcdPpiPtr ();\r |
| 118 | \r |
| 119 | return PcdPpi->Get16 (TokenNumber);\r |
| 120 | }\r |
| 121 | \r |
| 122 | \r |
| 123 | \r |
| 124 | /**\r |
| 125 | Returns the 32-bit value for the token specified by TokenNumber. \r |
| 126 | \r |
| 127 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 128 | \r |
| 129 | @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.\r |
| 130 | \r |
| 131 | **/\r |
| 132 | UINT32\r |
| 133 | EFIAPI\r |
| 134 | LibPcdGet32 (\r |
| 8a43e8dd |
135 | IN UINTN TokenNumber\r |
| 878ddf1f |
136 | )\r |
| 137 | {\r |
| 138 | PCD_PPI * PcdPpi;\r |
| 139 | \r |
| 140 | PcdPpi = GetPcdPpiPtr ();\r |
| 141 | \r |
| 142 | return PcdPpi->Get32 (TokenNumber);\r |
| 143 | }\r |
| 144 | \r |
| 145 | \r |
| 146 | \r |
| 147 | /**\r |
| 148 | Returns the 64-bit value for the token specified by TokenNumber.\r |
| 149 | \r |
| 150 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 151 | \r |
| 152 | @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.\r |
| 153 | \r |
| 154 | **/\r |
| 155 | UINT64\r |
| 156 | EFIAPI\r |
| 157 | LibPcdGet64 (\r |
| 8a43e8dd |
158 | IN UINTN TokenNumber\r |
| 878ddf1f |
159 | )\r |
| 160 | {\r |
| 161 | PCD_PPI * PcdPpi;\r |
| 162 | \r |
| 163 | PcdPpi = GetPcdPpiPtr ();\r |
| 164 | \r |
| 165 | return PcdPpi->Get64 (TokenNumber);\r |
| 166 | }\r |
| 167 | \r |
| 168 | \r |
| 169 | \r |
| 170 | /**\r |
| 171 | Returns the pointer to the buffer of the token specified by TokenNumber.\r |
| 172 | \r |
| 173 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 174 | \r |
| 175 | @retval VOID* Returns the pointer to the token specified by TokenNumber.\r |
| 176 | \r |
| 177 | **/\r |
| 178 | VOID *\r |
| 179 | EFIAPI\r |
| 180 | LibPcdGetPtr (\r |
| 8a43e8dd |
181 | IN UINTN TokenNumber\r |
| 878ddf1f |
182 | )\r |
| 183 | {\r |
| 184 | PCD_PPI * PcdPpi;\r |
| 185 | \r |
| 186 | PcdPpi = GetPcdPpiPtr ();\r |
| 187 | \r |
| 188 | return PcdPpi->GetPtr (TokenNumber);\r |
| 189 | }\r |
| 190 | \r |
| 191 | \r |
| 192 | \r |
| 193 | /**\r |
| 194 | Returns the Boolean value of the token specified by TokenNumber. \r |
| 195 | \r |
| 196 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 197 | \r |
| 198 | @retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber. \r |
| 199 | \r |
| 200 | **/\r |
| 201 | BOOLEAN \r |
| 202 | EFIAPI\r |
| 203 | LibPcdGetBool (\r |
| 8a43e8dd |
204 | IN UINTN TokenNumber\r |
| 878ddf1f |
205 | )\r |
| 206 | {\r |
| 207 | PCD_PPI * PcdPpi;\r |
| 208 | \r |
| 209 | PcdPpi = GetPcdPpiPtr ();\r |
| 210 | \r |
| 211 | return PcdPpi->GetBool (TokenNumber);\r |
| 212 | }\r |
| 213 | \r |
| 214 | \r |
| 215 | \r |
| 216 | /**\r |
| 217 | Returns the size of the token specified by TokenNumber. \r |
| 218 | \r |
| 219 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 220 | \r |
| 221 | @retval UINTN Returns the size of the token specified by TokenNumber. \r |
| 222 | \r |
| 223 | **/\r |
| 224 | UINTN\r |
| 225 | EFIAPI\r |
| 226 | LibPcdGetSize (\r |
| 8a43e8dd |
227 | IN UINTN TokenNumber\r |
| 878ddf1f |
228 | )\r |
| 229 | {\r |
| 230 | PCD_PPI * PcdPpi;\r |
| 231 | \r |
| 232 | PcdPpi = GetPcdPpiPtr ();\r |
| 233 | \r |
| 234 | return PcdPpi->GetSize (TokenNumber);\r |
| 235 | }\r |
| 236 | \r |
| 237 | \r |
| 238 | \r |
| 239 | /**\r |
| 240 | Returns the 8-bit value for the token specified by TokenNumber and Guid.\r |
| 241 | If Guid is NULL, then ASSERT(). \r |
| 242 | \r |
| 243 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 244 | which namespace to retrieve a value from.\r |
| 245 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 246 | \r |
| 247 | @retval UINT8 Return the UINT8.\r |
| 248 | \r |
| 249 | **/\r |
| 250 | UINT8\r |
| 251 | EFIAPI\r |
| 252 | LibPcdGetEx8 (\r |
| 253 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
254 | IN UINTN TokenNumber\r |
| 878ddf1f |
255 | )\r |
| 256 | {\r |
| 257 | PCD_PPI * PcdPpi;\r |
| 258 | \r |
| 259 | PcdPpi = GetPcdPpiPtr ();\r |
| 260 | \r |
| 261 | return PcdPpi->Get8Ex (Guid, TokenNumber);\r |
| 262 | }\r |
| 263 | \r |
| 264 | \r |
| 265 | \r |
| 266 | /**\r |
| 267 | Returns the 16-bit value for the token specified by TokenNumber and Guid.\r |
| 268 | If Guid is NULL, then ASSERT(). \r |
| 269 | \r |
| 270 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 271 | which namespace to retrieve a value from.\r |
| 272 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 273 | \r |
| 274 | @retval UINT16 Return the UINT16.\r |
| 275 | \r |
| 276 | **/\r |
| 277 | UINT16\r |
| 278 | EFIAPI\r |
| 279 | LibPcdGetEx16 (\r |
| 280 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
281 | IN UINTN TokenNumber\r |
| 878ddf1f |
282 | )\r |
| 283 | {\r |
| 284 | PCD_PPI * PcdPpi;\r |
| 285 | \r |
| 286 | PcdPpi = GetPcdPpiPtr ();\r |
| 287 | \r |
| 288 | return PcdPpi->Get16Ex (Guid, TokenNumber);\r |
| 289 | }\r |
| 290 | \r |
| 291 | \r |
| 292 | \r |
| 293 | /**\r |
| 294 | Returns the 32-bit value for the token specified by TokenNumber and Guid.\r |
| 295 | If Guid is NULL, then ASSERT(). \r |
| 296 | \r |
| 297 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 298 | which namespace to retrieve a value from.\r |
| 299 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 300 | \r |
| 301 | @retval UINT32 Return the UINT32.\r |
| 302 | \r |
| 303 | **/\r |
| 304 | UINT32\r |
| 305 | EFIAPI\r |
| 306 | LibPcdGetEx32 (\r |
| 307 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
308 | IN UINTN TokenNumber\r |
| 878ddf1f |
309 | )\r |
| 310 | {\r |
| 311 | PCD_PPI * PcdPpi;\r |
| 312 | \r |
| 313 | PcdPpi = GetPcdPpiPtr ();\r |
| 314 | \r |
| 315 | return PcdPpi->Get32Ex (Guid, TokenNumber);\r |
| 316 | }\r |
| 317 | \r |
| 318 | \r |
| 319 | \r |
| 320 | \r |
| 321 | /**\r |
| 322 | Returns the 64-bit value for the token specified by TokenNumber and Guid.\r |
| 323 | If Guid is NULL, then ASSERT(). \r |
| 324 | \r |
| 325 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 326 | which namespace to retrieve a value from.\r |
| 327 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 328 | \r |
| 329 | @retval UINT64 Return the UINT64.\r |
| 330 | \r |
| 331 | **/\r |
| 332 | UINT64\r |
| 333 | EFIAPI\r |
| 334 | LibPcdGetEx64 (\r |
| 335 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
336 | IN UINTN TokenNumber\r |
| 878ddf1f |
337 | )\r |
| 338 | {\r |
| 339 | PCD_PPI * PcdPpi;\r |
| 340 | \r |
| 341 | PcdPpi = GetPcdPpiPtr ();\r |
| 342 | \r |
| 343 | return PcdPpi->Get64Ex (Guid, TokenNumber);\r |
| 344 | }\r |
| 345 | \r |
| 346 | \r |
| 347 | \r |
| 348 | /**\r |
| 349 | Returns the pointer to the token specified by TokenNumber and Guid.\r |
| 350 | If Guid is NULL, then ASSERT(). \r |
| 351 | \r |
| 352 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 353 | which namespace to retrieve a value from.\r |
| 354 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 355 | \r |
| 356 | @retval VOID* Return the VOID* pointer.\r |
| 357 | \r |
| 358 | **/\r |
| 359 | VOID *\r |
| 360 | EFIAPI\r |
| 361 | LibPcdGetExPtr (\r |
| 362 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
363 | IN UINTN TokenNumber\r |
| 878ddf1f |
364 | )\r |
| 365 | {\r |
| 366 | PCD_PPI * PcdPpi;\r |
| 367 | \r |
| 368 | PcdPpi = GetPcdPpiPtr ();\r |
| 369 | \r |
| 370 | return PcdPpi->GetPtrEx (Guid, TokenNumber);\r |
| 371 | }\r |
| 372 | \r |
| 373 | \r |
| 374 | \r |
| 375 | /**\r |
| 376 | Returns the Boolean value of the token specified by TokenNumber and Guid. \r |
| 377 | If Guid is NULL, then ASSERT(). \r |
| 378 | \r |
| 379 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 380 | which namespace to retrieve a value from.\r |
| 381 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 382 | \r |
| 383 | @retval BOOLEAN Return the BOOLEAN.\r |
| 384 | \r |
| 385 | **/\r |
| 386 | BOOLEAN\r |
| 387 | EFIAPI\r |
| 388 | LibPcdGetExBool (\r |
| 389 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
390 | IN UINTN TokenNumber\r |
| 878ddf1f |
391 | )\r |
| 392 | {\r |
| 393 | PCD_PPI * PcdPpi;\r |
| 394 | \r |
| 395 | PcdPpi = GetPcdPpiPtr ();\r |
| 396 | \r |
| 397 | return PcdPpi->GetBoolEx (Guid, TokenNumber);\r |
| 398 | }\r |
| 399 | \r |
| 400 | \r |
| 401 | \r |
| 402 | /**\r |
| 403 | Returns the size of the token specified by TokenNumber and Guid. \r |
| 404 | If Guid is NULL, then ASSERT(). \r |
| 405 | \r |
| 406 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 407 | which namespace to retrieve a value from.\r |
| 408 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 409 | \r |
| 410 | @retval UINTN Return the size.\r |
| 411 | \r |
| 412 | **/\r |
| 413 | UINTN\r |
| 414 | EFIAPI\r |
| 415 | LibPcdGetExSize (\r |
| 416 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
417 | IN UINTN TokenNumber\r |
| 878ddf1f |
418 | )\r |
| 419 | {\r |
| 420 | PCD_PPI * PcdPpi;\r |
| 421 | \r |
| 422 | PcdPpi = GetPcdPpiPtr ();\r |
| 423 | \r |
| 424 | return PcdPpi->GetSizeEx (Guid, TokenNumber);\r |
| 425 | }\r |
| 426 | \r |
| 427 | \r |
| 428 | \r |
| 429 | /**\r |
| 430 | Sets the 8-bit value for the token specified by TokenNumber \r |
| 431 | to the value specified by Value. Value is returned.\r |
| 432 | \r |
| 433 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 434 | @param[in] Value The 8-bit value to set.\r |
| 435 | \r |
| 436 | @retval UINT8 Return the value been set.\r |
| 437 | \r |
| 438 | **/\r |
| 439 | UINT8\r |
| 440 | EFIAPI\r |
| 441 | LibPcdSet8 (\r |
| 8a43e8dd |
442 | IN UINTN TokenNumber,\r |
| 878ddf1f |
443 | IN UINT8 Value\r |
| 444 | )\r |
| 445 | {\r |
| 446 | EFI_STATUS Status;\r |
| 447 | PCD_PPI * PcdPpi;\r |
| 448 | \r |
| 449 | PcdPpi = GetPcdPpiPtr ();\r |
| 450 | \r |
| 451 | \r |
| 452 | Status = PcdPpi->Set8 (TokenNumber, Value);\r |
| 453 | \r |
| 454 | ASSERT_EFI_ERROR (Status);\r |
| 455 | \r |
| 456 | return Value;\r |
| 457 | }\r |
| 458 | \r |
| 459 | \r |
| 460 | \r |
| 461 | /**\r |
| 462 | Sets the 16-bit value for the token specified by TokenNumber \r |
| 463 | to the value specified by Value. Value is returned.\r |
| 464 | \r |
| 465 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 466 | @param[in] Value The 16-bit value to set.\r |
| 467 | \r |
| 468 | @retval UINT16 Return the value been set.\r |
| 469 | \r |
| 470 | **/\r |
| 471 | UINT16\r |
| 472 | EFIAPI\r |
| 473 | LibPcdSet16 (\r |
| 8a43e8dd |
474 | IN UINTN TokenNumber,\r |
| 878ddf1f |
475 | IN UINT16 Value\r |
| 476 | )\r |
| 477 | {\r |
| 478 | EFI_STATUS Status;\r |
| 479 | PCD_PPI * PcdPpi;\r |
| 480 | \r |
| 481 | PcdPpi = GetPcdPpiPtr ();\r |
| 482 | \r |
| 483 | \r |
| 484 | Status = PcdPpi->Set16 (TokenNumber, Value);\r |
| 485 | \r |
| 486 | ASSERT_EFI_ERROR (Status);\r |
| 487 | \r |
| 488 | return Value;\r |
| 489 | }\r |
| 490 | \r |
| 491 | \r |
| 492 | \r |
| 493 | /**\r |
| 494 | Sets the 32-bit value for the token specified by TokenNumber \r |
| 495 | to the value specified by Value. Value is returned.\r |
| 496 | \r |
| 497 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 498 | @param[in] Value The 32-bit value to set.\r |
| 499 | \r |
| 500 | @retval UINT32 Return the value been set.\r |
| 501 | \r |
| 502 | **/\r |
| 503 | UINT32\r |
| 504 | EFIAPI\r |
| 505 | LibPcdSet32 (\r |
| 8a43e8dd |
506 | IN UINTN TokenNumber,\r |
| 878ddf1f |
507 | IN UINT32 Value\r |
| 508 | )\r |
| 509 | {\r |
| 510 | EFI_STATUS Status;\r |
| 511 | PCD_PPI * PcdPpi;\r |
| 512 | \r |
| 513 | PcdPpi = GetPcdPpiPtr ();\r |
| 514 | \r |
| 515 | Status = PcdPpi->Set32 (TokenNumber, Value);\r |
| 516 | \r |
| 517 | ASSERT_EFI_ERROR (Status);\r |
| 518 | \r |
| 519 | return Value;\r |
| 520 | }\r |
| 521 | \r |
| 522 | \r |
| 523 | \r |
| 524 | /**\r |
| 525 | Sets the 64-bit value for the token specified by TokenNumber \r |
| 526 | to the value specified by Value. Value is returned.\r |
| 527 | \r |
| 528 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 529 | @param[in] Value The 64-bit value to set.\r |
| 530 | \r |
| 531 | @retval UINT64 Return the value been set.\r |
| 532 | \r |
| 533 | **/\r |
| 534 | UINT64\r |
| 535 | EFIAPI\r |
| 536 | LibPcdSet64 (\r |
| 8a43e8dd |
537 | IN UINTN TokenNumber,\r |
| 878ddf1f |
538 | IN UINT64 Value\r |
| 539 | )\r |
| 540 | {\r |
| 541 | EFI_STATUS Status;\r |
| 542 | PCD_PPI * PcdPpi;\r |
| 543 | \r |
| 544 | PcdPpi = GetPcdPpiPtr ();\r |
| 545 | \r |
| 546 | \r |
| 547 | Status = PcdPpi->Set64 (TokenNumber, Value);\r |
| 548 | \r |
| 549 | ASSERT_EFI_ERROR (Status);\r |
| 550 | \r |
| 551 | return Value;\r |
| 552 | }\r |
| 553 | \r |
| 554 | \r |
| 555 | \r |
| 556 | /**\r |
| 557 | Sets a buffer for the token specified by TokenNumber to \r |
| 4276d5da |
558 | the value specified by Buffer and SizeOfValue. Buffer to\r |
| 559 | be set is returned. The content of the buffer could be \r |
| 560 | overwritten if a Callback on SET is registered with this\r |
| 561 | TokenNumber.\r |
| 562 | \r |
| 563 | If SizeOfValue is greater than the maximum \r |
| 564 | size support by TokenNumber, then set SizeOfValue to the \r |
| 565 | maximum size supported by TokenNumber and return NULL to \r |
| 566 | indicate that the set operation was not actually performed. \r |
| 567 | \r |
| 568 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| 878ddf1f |
569 | \r |
| 570 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 4276d5da |
571 | @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| 878ddf1f |
572 | @param[in] Value A pointer to the buffer to set.\r |
| 573 | \r |
| 574 | @retval VOID* Return the pointer for the buffer been set.\r |
| 575 | \r |
| 576 | **/\r |
| 577 | VOID *\r |
| 578 | EFIAPI\r |
| 579 | LibPcdSetPtr (\r |
| 4276d5da |
580 | IN UINTN TokenNumber,\r |
| 581 | IN OUT UINTN *SizeOfBuffer,\r |
| 582 | IN VOID *Buffer\r |
| 878ddf1f |
583 | )\r |
| 584 | {\r |
| 585 | EFI_STATUS Status;\r |
| 4276d5da |
586 | PCD_PPI *PcdPpi;\r |
| 587 | UINTN Size;\r |
| 878ddf1f |
588 | \r |
| 3534cbb7 |
589 | if (*SizeOfBuffer > 0) {\r |
| 590 | ASSERT (Buffer != NULL);\r |
| 591 | }\r |
| 592 | \r |
| 878ddf1f |
593 | PcdPpi = GetPcdPpiPtr ();\r |
| 4276d5da |
594 | \r |
| 4276d5da |
595 | Size = LibPcdGetSize (TokenNumber);\r |
| 596 | \r |
| 597 | if (*SizeOfBuffer > Size) {\r |
| 598 | *SizeOfBuffer = Size;\r |
| 599 | return NULL;\r |
| 600 | }\r |
| 878ddf1f |
601 | \r |
| 4276d5da |
602 | Status = PcdPpi->SetPtr (TokenNumber, *SizeOfBuffer, Buffer);\r |
| 878ddf1f |
603 | \r |
| 604 | ASSERT_EFI_ERROR (Status);\r |
| 605 | \r |
| b16ef805 |
606 | return Buffer;\r |
| 878ddf1f |
607 | }\r |
| 608 | \r |
| 609 | \r |
| 610 | \r |
| 611 | /**\r |
| 612 | Sets the Boolean value for the token specified by TokenNumber \r |
| 613 | to the value specified by Value. Value is returned.\r |
| 614 | \r |
| 615 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 616 | @param[in] Value The boolean value to set.\r |
| 617 | \r |
| 618 | @retval BOOLEAN Return the value been set.\r |
| 619 | \r |
| 620 | **/\r |
| 621 | BOOLEAN\r |
| 622 | EFIAPI\r |
| 623 | LibPcdSetBool (\r |
| 8a43e8dd |
624 | IN UINTN TokenNumber,\r |
| 878ddf1f |
625 | IN BOOLEAN Value\r |
| 626 | )\r |
| 627 | {\r |
| 628 | EFI_STATUS Status;\r |
| 629 | PCD_PPI * PcdPpi;\r |
| 630 | \r |
| 631 | PcdPpi = GetPcdPpiPtr ();\r |
| 632 | \r |
| 633 | \r |
| 634 | Status = PcdPpi->SetBool (TokenNumber, Value);\r |
| 635 | \r |
| 636 | ASSERT_EFI_ERROR (Status);\r |
| 637 | \r |
| 638 | return Value;\r |
| 639 | }\r |
| 640 | \r |
| 641 | \r |
| 642 | \r |
| 643 | /**\r |
| 644 | Sets the 8-bit value for the token specified by TokenNumber and \r |
| 645 | Guid to the value specified by Value. Value is returned.\r |
| 646 | If Guid is NULL, then ASSERT().\r |
| 647 | \r |
| 648 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 649 | designates which namespace to set a value from.\r |
| 650 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 651 | @param[in] Value The 8-bit value to set.\r |
| 652 | \r |
| 653 | @retval UINT8 Return the value been set.\r |
| 654 | \r |
| 655 | **/\r |
| 656 | UINT8\r |
| 657 | EFIAPI\r |
| 658 | LibPcdSetEx8 (\r |
| 659 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
660 | IN UINTN TokenNumber,\r |
| 878ddf1f |
661 | IN UINT8 Value\r |
| 662 | )\r |
| 663 | {\r |
| 664 | EFI_STATUS Status;\r |
| 665 | PCD_PPI * PcdPpi;\r |
| 666 | \r |
| 667 | PcdPpi = GetPcdPpiPtr ();\r |
| 668 | \r |
| 669 | \r |
| 670 | Status = PcdPpi->Set8Ex (Guid, TokenNumber, Value);\r |
| 671 | \r |
| 672 | ASSERT_EFI_ERROR (Status);\r |
| 673 | \r |
| 674 | return Value;\r |
| 675 | }\r |
| 676 | \r |
| 677 | \r |
| 678 | \r |
| 679 | /**\r |
| 680 | Sets the 16-bit value for the token specified by TokenNumber and \r |
| 681 | Guid to the value specified by Value. Value is returned.\r |
| 682 | If Guid is NULL, then ASSERT().\r |
| 683 | \r |
| 684 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 685 | designates which namespace to set a value from.\r |
| 686 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 687 | @param[in] Value The 16-bit value to set.\r |
| 688 | \r |
| 689 | @retval UINT8 Return the value been set.\r |
| 690 | \r |
| 691 | **/\r |
| 692 | UINT16\r |
| 693 | EFIAPI\r |
| 694 | LibPcdSetEx16 (\r |
| 695 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
696 | IN UINTN TokenNumber,\r |
| 878ddf1f |
697 | IN UINT16 Value\r |
| 698 | )\r |
| 699 | {\r |
| 700 | EFI_STATUS Status;\r |
| 701 | PCD_PPI * PcdPpi;\r |
| 702 | \r |
| 703 | PcdPpi = GetPcdPpiPtr ();\r |
| 704 | \r |
| 705 | \r |
| 706 | Status = PcdPpi->Set16Ex (Guid, TokenNumber, Value);\r |
| 707 | \r |
| 708 | ASSERT_EFI_ERROR (Status);\r |
| 709 | \r |
| 710 | return Value;\r |
| 711 | }\r |
| 712 | \r |
| 713 | \r |
| 714 | \r |
| 715 | /**\r |
| 716 | Sets the 32-bit value for the token specified by TokenNumber and \r |
| 717 | Guid to the value specified by Value. Value is returned.\r |
| 718 | If Guid is NULL, then ASSERT().\r |
| 719 | \r |
| 720 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 721 | designates which namespace to set a value from.\r |
| 722 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 723 | @param[in] Value The 32-bit value to set.\r |
| 724 | \r |
| 725 | @retval UINT32 Return the value been set.\r |
| 726 | \r |
| 727 | **/\r |
| 728 | UINT32\r |
| 729 | EFIAPI\r |
| 730 | LibPcdSetEx32 (\r |
| 731 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
732 | IN UINTN TokenNumber,\r |
| 878ddf1f |
733 | IN UINT32 Value\r |
| 734 | )\r |
| 735 | {\r |
| 736 | EFI_STATUS Status;\r |
| 737 | PCD_PPI * PcdPpi;\r |
| 738 | \r |
| 739 | PcdPpi = GetPcdPpiPtr ();\r |
| 740 | \r |
| 741 | \r |
| 742 | Status = PcdPpi->Set32Ex (Guid, TokenNumber, Value);\r |
| 743 | \r |
| 744 | ASSERT_EFI_ERROR (Status);\r |
| 745 | \r |
| 746 | return Value;\r |
| 747 | }\r |
| 748 | \r |
| 749 | \r |
| 750 | \r |
| 751 | /**\r |
| 752 | Sets the 64-bit value for the token specified by TokenNumber and \r |
| 753 | Guid to the value specified by Value. Value is returned.\r |
| 754 | If Guid is NULL, then ASSERT().\r |
| 755 | \r |
| 756 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 757 | designates which namespace to set a value from.\r |
| 758 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 759 | @param[in] Value The 64-bit value to set.\r |
| 760 | \r |
| 761 | @retval UINT64 Return the value been set.\r |
| 762 | \r |
| 763 | **/\r |
| 764 | UINT64\r |
| 765 | EFIAPI\r |
| 766 | LibPcdSetEx64 (\r |
| 767 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
768 | IN UINTN TokenNumber,\r |
| 878ddf1f |
769 | IN UINT64 Value\r |
| 770 | )\r |
| 771 | {\r |
| 772 | EFI_STATUS Status;\r |
| 773 | PCD_PPI * PcdPpi;\r |
| 774 | \r |
| 775 | PcdPpi = GetPcdPpiPtr ();\r |
| 776 | \r |
| 777 | \r |
| 778 | Status = PcdPpi->Set64Ex (Guid, TokenNumber, Value);\r |
| 779 | \r |
| 780 | ASSERT_EFI_ERROR (Status);\r |
| 781 | \r |
| 782 | return Value;\r |
| 783 | }\r |
| 784 | \r |
| 785 | \r |
| 786 | \r |
| 787 | /**\r |
| 4276d5da |
788 | Sets a buffer for the token specified by TokenNumber to the value specified by \r |
| 789 | Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r |
| 790 | the maximum size support by TokenNumber, then set SizeOfValue to the maximum size \r |
| 791 | supported by TokenNumber and return NULL to indicate that the set operation \r |
| 792 | was not actually performed. \r |
| 793 | \r |
| 794 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| 878ddf1f |
795 | \r |
| 796 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 797 | designates which namespace to set a value from.\r |
| 798 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 4276d5da |
799 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| 800 | @param[in] Buffer A pointer to the buffer to set.\r |
| 878ddf1f |
801 | \r |
| 4276d5da |
802 | @retval VOID * Return the pinter to the buffer been set.\r |
| 878ddf1f |
803 | \r |
| 804 | **/\r |
| 805 | VOID *\r |
| 806 | EFIAPI\r |
| 807 | LibPcdSetExPtr (\r |
| 4276d5da |
808 | IN CONST GUID *Guid,\r |
| 809 | IN UINTN TokenNumber,\r |
| 810 | IN OUT UINTN *SizeOfBuffer,\r |
| 811 | IN VOID *Buffer\r |
| 878ddf1f |
812 | )\r |
| 813 | {\r |
| 4276d5da |
814 | EFI_STATUS Status;\r |
| 815 | PCD_PPI *PcdPpi;\r |
| 816 | UINTN Size;\r |
| 878ddf1f |
817 | \r |
| 3534cbb7 |
818 | if (*SizeOfBuffer > 0) {\r |
| 819 | ASSERT (Buffer != NULL);\r |
| 820 | }\r |
| 821 | \r |
| 878ddf1f |
822 | PcdPpi = GetPcdPpiPtr ();\r |
| 823 | \r |
| 4276d5da |
824 | Size = LibPcdGetExSize (Guid, TokenNumber);\r |
| 825 | if (*SizeOfBuffer > Size) {\r |
| 826 | *SizeOfBuffer = Size;\r |
| 827 | return NULL;\r |
| 828 | }\r |
| 829 | \r |
| 830 | Status = PcdPpi->SetPtrEx (Guid, TokenNumber, *SizeOfBuffer, Buffer);\r |
| 878ddf1f |
831 | \r |
| 832 | ASSERT_EFI_ERROR (Status);\r |
| 833 | \r |
| b16ef805 |
834 | return Buffer;\r |
| 878ddf1f |
835 | }\r |
| 836 | \r |
| 837 | \r |
| 838 | \r |
| 839 | /**\r |
| 840 | Sets the Boolean value for the token specified by TokenNumber and \r |
| 841 | Guid to the value specified by Value. Value is returned.\r |
| 842 | If Guid is NULL, then ASSERT().\r |
| 843 | \r |
| 844 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 845 | designates which namespace to set a value from.\r |
| 846 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 847 | @param[in] Value The Boolean value to set.\r |
| 848 | \r |
| 849 | @retval Boolean Return the value been set.\r |
| 850 | \r |
| 851 | **/\r |
| 852 | BOOLEAN\r |
| 853 | EFIAPI\r |
| 854 | LibPcdSetExBool (\r |
| 855 | IN CONST GUID *Guid,\r |
| 8a43e8dd |
856 | IN UINTN TokenNumber,\r |
| 878ddf1f |
857 | IN BOOLEAN Value\r |
| 858 | )\r |
| 859 | {\r |
| 860 | EFI_STATUS Status;\r |
| 861 | PCD_PPI * PcdPpi;\r |
| 862 | \r |
| 863 | PcdPpi = GetPcdPpiPtr ();\r |
| 864 | \r |
| 865 | \r |
| 866 | Status = PcdPpi->SetBoolEx (Guid, TokenNumber, Value);\r |
| 867 | \r |
| 868 | ASSERT_EFI_ERROR (Status);\r |
| 869 | \r |
| 870 | return Value;\r |
| 871 | }\r |
| 872 | \r |
| 873 | \r |
| 874 | \r |
| 875 | /**\r |
| 876 | When the token specified by TokenNumber and Guid is set, \r |
| 877 | then notification function specified by NotificationFunction is called. \r |
| 878 | If Guid is NULL, then the default token space is used. \r |
| 879 | If NotificationFunction is NULL, then ASSERT().\r |
| 880 | \r |
| 881 | @param[in] Guid Pointer to a 128-bit unique value that designates which \r |
| 882 | namespace to set a value from. If NULL, then the default \r |
| 883 | token space is used.\r |
| 884 | @param[in] TokenNumber The PCD token number to monitor.\r |
| 885 | @param[in] NotificationFunction The function to call when the token \r |
| 886 | specified by Guid and TokenNumber is set.\r |
| 887 | \r |
| 888 | @retval VOID\r |
| 889 | \r |
| 890 | **/\r |
| 891 | VOID\r |
| 892 | EFIAPI\r |
| 893 | LibPcdCallbackOnSet (\r |
| 894 | IN CONST GUID *Guid, OPTIONAL\r |
| 8a43e8dd |
895 | IN UINTN TokenNumber,\r |
| 878ddf1f |
896 | IN PCD_CALLBACK NotificationFunction\r |
| 897 | )\r |
| 898 | {\r |
| 899 | EFI_STATUS Status;\r |
| 900 | PCD_PPI * PcdPpi;\r |
| 901 | \r |
| 902 | PcdPpi = GetPcdPpiPtr ();\r |
| 903 | \r |
| 904 | \r |
| 905 | Status = PcdPpi->CallbackOnSet (TokenNumber, Guid, NotificationFunction);\r |
| 906 | \r |
| 907 | ASSERT_EFI_ERROR (Status);\r |
| 908 | \r |
| 909 | return;\r |
| 910 | }\r |
| 911 | \r |
| 912 | \r |
| 913 | \r |
| 914 | /**\r |
| 915 | Disable a notification function that was established with LibPcdCallbackonSet().\r |
| 916 | If NotificationFunction is NULL, then ASSERT().\r |
| 917 | \r |
| 918 | @param[in] Guid Specify the GUID token space.\r |
| 919 | @param[in] TokenNumber Specify the token number.\r |
| 920 | @param[in] NotificationFunction The callback function to be unregistered.\r |
| 921 | \r |
| 922 | @retval VOID\r |
| 923 | \r |
| 924 | **/\r |
| 925 | VOID\r |
| 926 | EFIAPI\r |
| 927 | LibPcdCancelCallback (\r |
| 928 | IN CONST GUID *Guid, OPTIONAL\r |
| 8a43e8dd |
929 | IN UINTN TokenNumber,\r |
| 878ddf1f |
930 | IN PCD_CALLBACK NotificationFunction\r |
| 931 | )\r |
| 932 | {\r |
| 933 | EFI_STATUS Status;\r |
| 934 | PCD_PPI * PcdPpi;\r |
| 935 | \r |
| 936 | PcdPpi = GetPcdPpiPtr ();\r |
| 937 | \r |
| 938 | \r |
| 939 | Status = PcdPpi->CancelCallback (TokenNumber, Guid, NotificationFunction);\r |
| 940 | \r |
| 941 | ASSERT_EFI_ERROR (Status);\r |
| 942 | \r |
| 943 | return;\r |
| 944 | }\r |
| 945 | \r |
| 946 | \r |
| 947 | \r |
| 948 | /**\r |
| 949 | Retrieves the next PCD token number from the token space specified by Guid. \r |
| 950 | If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r |
| 951 | then the first token number is returned. Otherwise, the token number that \r |
| 952 | follows TokenNumber in the token space is returned. If TokenNumber is the last \r |
| 953 | token number in the token space, then 0 is returned. If TokenNumber is not 0 and \r |
| 954 | is not in the token space specified by Guid, then ASSERT().\r |
| 955 | \r |
| 956 | @param[in] Pointer to a 128-bit unique value that designates which namespace \r |
| 957 | to set a value from. If NULL, then the default token space is used.\r |
| 958 | @param[in] The previous PCD token number. If 0, then retrieves the first PCD \r |
| 959 | token number.\r |
| 960 | \r |
| 8a43e8dd |
961 | @retval UINTN The next valid token number.\r |
| 878ddf1f |
962 | \r |
| 963 | **/\r |
| 8a43e8dd |
964 | UINTN \r |
| 878ddf1f |
965 | EFIAPI\r |
| 966 | LibPcdGetNextToken (\r |
| 967 | IN CONST GUID *Guid, OPTIONAL\r |
| 8a43e8dd |
968 | IN UINTN TokenNumber\r |
| 878ddf1f |
969 | )\r |
| 970 | {\r |
| 971 | EFI_STATUS Status;\r |
| 972 | PCD_PPI * PcdPpi;\r |
| 973 | \r |
| 974 | PcdPpi = GetPcdPpiPtr ();\r |
| 975 | \r |
| 976 | \r |
| b16ef805 |
977 | Status = PcdPpi->GetNextToken (Guid, &TokenNumber);\r |
| 878ddf1f |
978 | \r |
| 979 | ASSERT_EFI_ERROR (Status);\r |
| 980 | \r |
| b16ef805 |
981 | return TokenNumber;\r |
| 878ddf1f |
982 | }\r |
| 4276d5da |
983 | \r |
| 984 | \r |
| 985 | /**\r |
| 986 | Retrieves the next PCD token space from a token space specified by Guid.\r |
| 987 | Guid of NULL is reserved to mark the default local token namespace on the current\r |
| 988 | platform. If Guid is NULL, then the GUID of the first non-local token space of the \r |
| 989 | current platform is returned. If Guid is the last non-local token space, \r |
| 990 | then NULL is returned. \r |
| 991 | \r |
| 992 | If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r |
| 993 | \r |
| 994 | \r |
| 995 | \r |
| 996 | @param[in] Pointer to a 128-bit unique value that designates from which namespace \r |
| 997 | to start the search.\r |
| 998 | \r |
| 999 | @retval CONST GUID * The next valid token namespace.\r |
| 1000 | \r |
| 1001 | **/\r |
| 1002 | CONST GUID* \r |
| 1003 | EFIAPI\r |
| 1004 | LibPcdGetNextTokenSpace (\r |
| 1005 | IN CONST GUID *Guid\r |
| 1006 | )\r |
| 1007 | {\r |
| 1008 | EFI_STATUS Status;\r |
| 1009 | PCD_PPI * PcdPpi;\r |
| 1010 | \r |
| 1011 | PcdPpi = GetPcdPpiPtr ();\r |
| 1012 | \r |
| 1013 | \r |
| 1014 | Status = PcdPpi->GetNextTokenSpace (&Guid);\r |
| 1015 | \r |
| 1016 | ASSERT_EFI_ERROR (Status);\r |
| 1017 | \r |
| 1018 | return Guid;\r |
| 1019 | }\r |
| 1020 | \r |
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