| e386b444 |
1 | /** @file\r |
| 2 | Implementation of PcdLib class library for PEI phase.\r |
| 3 | \r |
| 4 | Copyright (c) 2006, Intel Corporation<BR>\r |
| 5 | All rights reserved. This program and the accompanying materials \r |
| 6 | are licensed and made available under the terms and conditions of the BSD License \r |
| 7 | which accompanies this distribution. The full text of the license may be found at \r |
| 8 | http://opensource.org/licenses/bsd-license.php \r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 12 | \r |
| 13 | \r |
| e386b444 |
14 | **/\r |
| 15 | \r |
| 16 | \r |
| 17 | \r |
| c892d846 |
18 | \r |
| c7d265a9 |
19 | #include <PiPei.h>\r |
| c892d846 |
20 | \r |
| c7d265a9 |
21 | #include <Ppi/Pcd.h>\r |
| c892d846 |
22 | \r |
| 1c280088 |
23 | #include <Library/PeiServicesLib.h>\r |
| c7d265a9 |
24 | #include <Library/PcdLib.h>\r |
| 25 | #include <Library/DebugLib.h>\r |
| 26 | #include <Library/PeiServicesTablePointerLib.h>\r |
| 27 | #include <Library/BaseMemoryLib.h>\r |
| e386b444 |
28 | \r |
| 29 | /**\r |
| 30 | The constructor function retrieve the PCD_PPI pointer.\r |
| 31 | \r |
| 32 | @param[in] VOID\r |
| 33 | \r |
| 34 | @retval PCD_PPI * The pointer to the PCD_PPI.\r |
| 35 | \r |
| 36 | **/\r |
| 37 | STATIC\r |
| 38 | PCD_PPI *\r |
| 39 | GetPcdPpiPtr (\r |
| 40 | VOID\r |
| 41 | ) \r |
| 42 | {\r |
| 43 | EFI_STATUS Status;\r |
| 44 | PCD_PPI *PcdPpi;\r |
| 1c280088 |
45 | \r |
| 46 | Status = PeiServicesLocatePpi (&gPcdPpiGuid, 0, NULL, (VOID **)&PcdPpi);\r |
| e386b444 |
47 | ASSERT_EFI_ERROR (Status);\r |
| 48 | \r |
| 49 | return PcdPpi;\r |
| 50 | }\r |
| 51 | \r |
| 52 | \r |
| 53 | \r |
| 54 | /**\r |
| 55 | Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r |
| 56 | \r |
| 57 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r |
| 58 | set values associated with a PCD token.\r |
| 59 | \r |
| 60 | @retval SKU_ID Return the SKU ID that just be set.\r |
| 61 | \r |
| 62 | **/\r |
| 63 | UINTN\r |
| 64 | EFIAPI\r |
| 65 | LibPcdSetSku (\r |
| 66 | IN UINTN SkuId\r |
| 67 | )\r |
| 68 | {\r |
| 69 | \r |
| 70 | ASSERT (SkuId < 0x100);\r |
| 71 | \r |
| 72 | GetPcdPpiPtr()->SetSku (SkuId);;\r |
| 73 | \r |
| 74 | return SkuId;\r |
| 75 | }\r |
| 76 | \r |
| 77 | \r |
| 78 | \r |
| 79 | /**\r |
| 80 | Returns the 8-bit value for the token specified by TokenNumber. \r |
| 81 | \r |
| 82 | @param[in] The PCD token number to retrieve a current value for.\r |
| 83 | \r |
| 84 | @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber. \r |
| 85 | \r |
| 86 | **/\r |
| 87 | UINT8\r |
| 88 | EFIAPI\r |
| 89 | LibPcdGet8 (\r |
| 90 | IN UINTN TokenNumber\r |
| 91 | )\r |
| 92 | {\r |
| 93 | PCD_PPI * PcdPpi;\r |
| 94 | \r |
| 95 | PcdPpi = GetPcdPpiPtr ();\r |
| 96 | \r |
| 97 | return PcdPpi->Get8 (TokenNumber);\r |
| 98 | }\r |
| 99 | \r |
| 100 | \r |
| 101 | \r |
| 102 | /**\r |
| 103 | Returns the 16-bit value for the token specified by TokenNumber. \r |
| 104 | \r |
| 105 | @param[in] The PCD token number to retrieve a current value for.\r |
| 106 | \r |
| 107 | @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber. \r |
| 108 | \r |
| 109 | **/\r |
| 110 | UINT16\r |
| 111 | EFIAPI\r |
| 112 | LibPcdGet16 (\r |
| 113 | IN UINTN TokenNumber\r |
| 114 | )\r |
| 115 | {\r |
| 116 | PCD_PPI *PcdPpi;\r |
| 117 | \r |
| 118 | PcdPpi = GetPcdPpiPtr ();\r |
| 119 | \r |
| 120 | return PcdPpi->Get16 (TokenNumber);\r |
| 121 | }\r |
| 122 | \r |
| 123 | \r |
| 124 | \r |
| 125 | /**\r |
| 126 | Returns the 32-bit value for the token specified by TokenNumber. \r |
| 127 | \r |
| 128 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 129 | \r |
| 130 | @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.\r |
| 131 | \r |
| 132 | **/\r |
| 133 | UINT32\r |
| 134 | EFIAPI\r |
| 135 | LibPcdGet32 (\r |
| 136 | IN UINTN TokenNumber\r |
| 137 | )\r |
| 138 | {\r |
| 139 | PCD_PPI * PcdPpi;\r |
| 140 | \r |
| 141 | PcdPpi = GetPcdPpiPtr ();\r |
| 142 | \r |
| 143 | return PcdPpi->Get32 (TokenNumber);\r |
| 144 | }\r |
| 145 | \r |
| 146 | \r |
| 147 | \r |
| 148 | /**\r |
| 149 | Returns the 64-bit value for the token specified by TokenNumber.\r |
| 150 | \r |
| 151 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 152 | \r |
| 153 | @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.\r |
| 154 | \r |
| 155 | **/\r |
| 156 | UINT64\r |
| 157 | EFIAPI\r |
| 158 | LibPcdGet64 (\r |
| 159 | IN UINTN TokenNumber\r |
| 160 | )\r |
| 161 | {\r |
| 162 | PCD_PPI * PcdPpi;\r |
| 163 | \r |
| 164 | PcdPpi = GetPcdPpiPtr ();\r |
| 165 | \r |
| 166 | return PcdPpi->Get64 (TokenNumber);\r |
| 167 | }\r |
| 168 | \r |
| 169 | \r |
| 170 | \r |
| 171 | /**\r |
| 172 | Returns the pointer to the buffer of the token specified by TokenNumber.\r |
| 173 | \r |
| 174 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 175 | \r |
| 176 | @retval VOID* Returns the pointer to the token specified by TokenNumber.\r |
| 177 | \r |
| 178 | **/\r |
| 179 | VOID *\r |
| 180 | EFIAPI\r |
| 181 | LibPcdGetPtr (\r |
| 182 | IN UINTN TokenNumber\r |
| 183 | )\r |
| 184 | {\r |
| 185 | PCD_PPI * PcdPpi;\r |
| 186 | \r |
| 187 | PcdPpi = GetPcdPpiPtr ();\r |
| 188 | \r |
| 189 | return PcdPpi->GetPtr (TokenNumber);\r |
| 190 | }\r |
| 191 | \r |
| 192 | \r |
| 193 | \r |
| 194 | /**\r |
| 195 | Returns the Boolean value of the token specified by TokenNumber. \r |
| 196 | \r |
| 197 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 198 | \r |
| 199 | @retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber. \r |
| 200 | \r |
| 201 | **/\r |
| 202 | BOOLEAN \r |
| 203 | EFIAPI\r |
| 204 | LibPcdGetBool (\r |
| 205 | IN UINTN TokenNumber\r |
| 206 | )\r |
| 207 | {\r |
| 208 | PCD_PPI * PcdPpi;\r |
| 209 | \r |
| 210 | PcdPpi = GetPcdPpiPtr ();\r |
| 211 | \r |
| 212 | return PcdPpi->GetBool (TokenNumber);\r |
| 213 | }\r |
| 214 | \r |
| 215 | \r |
| 216 | \r |
| 217 | /**\r |
| 218 | Returns the size of the token specified by TokenNumber. \r |
| 219 | \r |
| 220 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 221 | \r |
| 222 | @retval UINTN Returns the size of the token specified by TokenNumber. \r |
| 223 | \r |
| 224 | **/\r |
| 225 | UINTN\r |
| 226 | EFIAPI\r |
| 227 | LibPcdGetSize (\r |
| 228 | IN UINTN TokenNumber\r |
| 229 | )\r |
| 230 | {\r |
| 231 | PCD_PPI * PcdPpi;\r |
| 232 | \r |
| 233 | PcdPpi = GetPcdPpiPtr ();\r |
| 234 | \r |
| 235 | return PcdPpi->GetSize (TokenNumber);\r |
| 236 | }\r |
| 237 | \r |
| 238 | \r |
| 239 | \r |
| 240 | /**\r |
| 241 | Returns the 8-bit value for the token specified by TokenNumber and Guid.\r |
| 242 | If Guid is NULL, then ASSERT(). \r |
| 243 | \r |
| 244 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 245 | which namespace to retrieve a value from.\r |
| 246 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 247 | \r |
| 248 | @retval UINT8 Return the UINT8.\r |
| 249 | \r |
| 250 | **/\r |
| 251 | UINT8\r |
| 252 | EFIAPI\r |
| 253 | LibPcdGetEx8 (\r |
| 254 | IN CONST GUID *Guid,\r |
| 255 | IN UINTN TokenNumber\r |
| 256 | )\r |
| 257 | {\r |
| 258 | PCD_PPI * PcdPpi;\r |
| 259 | \r |
| 260 | ASSERT (Guid != NULL);\r |
| 261 | \r |
| 262 | PcdPpi = GetPcdPpiPtr ();\r |
| 263 | \r |
| 264 | return PcdPpi->Get8Ex (Guid, TokenNumber);\r |
| 265 | }\r |
| 266 | \r |
| 267 | \r |
| 268 | \r |
| 269 | /**\r |
| 270 | Returns the 16-bit value for the token specified by TokenNumber and Guid.\r |
| 271 | If Guid is NULL, then ASSERT(). \r |
| 272 | \r |
| 273 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 274 | which namespace to retrieve a value from.\r |
| 275 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 276 | \r |
| 277 | @retval UINT16 Return the UINT16.\r |
| 278 | \r |
| 279 | **/\r |
| 280 | UINT16\r |
| 281 | EFIAPI\r |
| 282 | LibPcdGetEx16 (\r |
| 283 | IN CONST GUID *Guid,\r |
| 284 | IN UINTN TokenNumber\r |
| 285 | )\r |
| 286 | {\r |
| 287 | PCD_PPI * PcdPpi;\r |
| 288 | \r |
| 289 | ASSERT (Guid != NULL);\r |
| 290 | \r |
| 291 | PcdPpi = GetPcdPpiPtr ();\r |
| 292 | \r |
| 293 | return PcdPpi->Get16Ex (Guid, TokenNumber);\r |
| 294 | }\r |
| 295 | \r |
| 296 | \r |
| 297 | \r |
| 298 | /**\r |
| 299 | Returns the 32-bit value for the token specified by TokenNumber and Guid.\r |
| 300 | If Guid is NULL, then ASSERT(). \r |
| 301 | \r |
| 302 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 303 | which namespace to retrieve a value from.\r |
| 304 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 305 | \r |
| 306 | @retval UINT32 Return the UINT32.\r |
| 307 | \r |
| 308 | **/\r |
| 309 | UINT32\r |
| 310 | EFIAPI\r |
| 311 | LibPcdGetEx32 (\r |
| 312 | IN CONST GUID *Guid,\r |
| 313 | IN UINTN TokenNumber\r |
| 314 | )\r |
| 315 | {\r |
| 316 | PCD_PPI * PcdPpi;\r |
| 317 | \r |
| 318 | ASSERT (Guid != NULL);\r |
| 319 | \r |
| 320 | PcdPpi = GetPcdPpiPtr ();\r |
| 321 | \r |
| 322 | return PcdPpi->Get32Ex (Guid, TokenNumber);\r |
| 323 | }\r |
| 324 | \r |
| 325 | \r |
| 326 | \r |
| 327 | \r |
| 328 | /**\r |
| 329 | Returns the 64-bit value for the token specified by TokenNumber and Guid.\r |
| 330 | If Guid is NULL, then ASSERT(). \r |
| 331 | \r |
| 332 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 333 | which namespace to retrieve a value from.\r |
| 334 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 335 | \r |
| 336 | @retval UINT64 Return the UINT64.\r |
| 337 | \r |
| 338 | **/\r |
| 339 | UINT64\r |
| 340 | EFIAPI\r |
| 341 | LibPcdGetEx64 (\r |
| 342 | IN CONST GUID *Guid,\r |
| 343 | IN UINTN TokenNumber\r |
| 344 | )\r |
| 345 | {\r |
| 346 | PCD_PPI * PcdPpi;\r |
| 347 | \r |
| 348 | ASSERT (Guid != NULL);\r |
| 349 | \r |
| 350 | PcdPpi = GetPcdPpiPtr ();\r |
| 351 | \r |
| 352 | return PcdPpi->Get64Ex (Guid, TokenNumber);\r |
| 353 | }\r |
| 354 | \r |
| 355 | \r |
| 356 | \r |
| 357 | /**\r |
| 358 | Returns the pointer to the token specified by TokenNumber and Guid.\r |
| 359 | If Guid is NULL, then ASSERT(). \r |
| 360 | \r |
| 361 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 362 | which namespace to retrieve a value from.\r |
| 363 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 364 | \r |
| 365 | @retval VOID* Return the VOID* pointer.\r |
| 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 | PCD_PPI * PcdPpi;\r |
| 376 | \r |
| 377 | ASSERT (Guid != NULL);\r |
| 378 | \r |
| 379 | PcdPpi = GetPcdPpiPtr ();\r |
| 380 | \r |
| 381 | return PcdPpi->GetPtrEx (Guid, TokenNumber);\r |
| 382 | }\r |
| 383 | \r |
| 384 | \r |
| 385 | \r |
| 386 | /**\r |
| 387 | Returns the Boolean value of the token specified by TokenNumber and Guid. \r |
| 388 | If Guid is NULL, then ASSERT(). \r |
| 389 | \r |
| 390 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 391 | which namespace to retrieve a value from.\r |
| 392 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 393 | \r |
| 394 | @retval BOOLEAN Return the BOOLEAN.\r |
| 395 | \r |
| 396 | **/\r |
| 397 | BOOLEAN\r |
| 398 | EFIAPI\r |
| 399 | LibPcdGetExBool (\r |
| 400 | IN CONST GUID *Guid,\r |
| 401 | IN UINTN TokenNumber\r |
| 402 | )\r |
| 403 | {\r |
| 404 | PCD_PPI * PcdPpi;\r |
| 405 | \r |
| 406 | ASSERT (Guid != NULL);\r |
| 407 | \r |
| 408 | PcdPpi = GetPcdPpiPtr ();\r |
| 409 | \r |
| 410 | return PcdPpi->GetBoolEx (Guid, TokenNumber);\r |
| 411 | }\r |
| 412 | \r |
| 413 | \r |
| 414 | \r |
| 415 | /**\r |
| 416 | Returns the size of the token specified by TokenNumber and Guid. \r |
| 417 | If Guid is NULL, then ASSERT(). \r |
| 418 | \r |
| 419 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 420 | which namespace to retrieve a value from.\r |
| 421 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 422 | \r |
| 423 | @retval UINTN Return the size.\r |
| 424 | \r |
| 425 | **/\r |
| 426 | UINTN\r |
| 427 | EFIAPI\r |
| 428 | LibPcdGetExSize (\r |
| 429 | IN CONST GUID *Guid,\r |
| 430 | IN UINTN TokenNumber\r |
| 431 | )\r |
| 432 | {\r |
| 433 | PCD_PPI * PcdPpi;\r |
| 434 | \r |
| 435 | ASSERT (Guid != NULL);\r |
| 436 | \r |
| 437 | PcdPpi = GetPcdPpiPtr ();\r |
| 438 | \r |
| 439 | return PcdPpi->GetSizeEx (Guid, TokenNumber);\r |
| 440 | }\r |
| 441 | \r |
| 442 | \r |
| 443 | \r |
| 444 | /**\r |
| 445 | Sets the 8-bit value for the token specified by TokenNumber \r |
| 446 | to the value specified by Value. Value is returned.\r |
| 447 | \r |
| 448 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 449 | @param[in] Value The 8-bit value to set.\r |
| 450 | \r |
| 451 | @retval UINT8 Return the value been set.\r |
| 452 | \r |
| 453 | **/\r |
| 454 | UINT8\r |
| 455 | EFIAPI\r |
| 456 | LibPcdSet8 (\r |
| 457 | IN UINTN TokenNumber,\r |
| 458 | IN UINT8 Value\r |
| 459 | )\r |
| 460 | {\r |
| 461 | EFI_STATUS Status;\r |
| 462 | PCD_PPI * PcdPpi;\r |
| 463 | \r |
| 464 | PcdPpi = GetPcdPpiPtr ();\r |
| 465 | \r |
| 466 | Status = PcdPpi->Set8 (TokenNumber, Value);\r |
| 467 | \r |
| 468 | ASSERT_EFI_ERROR (Status);\r |
| 469 | \r |
| 470 | return Value;\r |
| 471 | }\r |
| 472 | \r |
| 473 | \r |
| 474 | \r |
| 475 | /**\r |
| 476 | Sets the 16-bit value for the token specified by TokenNumber \r |
| 477 | to the value specified by Value. Value is returned.\r |
| 478 | \r |
| 479 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 480 | @param[in] Value The 16-bit value to set.\r |
| 481 | \r |
| 482 | @retval UINT16 Return the value been set.\r |
| 483 | \r |
| 484 | **/\r |
| 485 | UINT16\r |
| 486 | EFIAPI\r |
| 487 | LibPcdSet16 (\r |
| 488 | IN UINTN TokenNumber,\r |
| 489 | IN UINT16 Value\r |
| 490 | )\r |
| 491 | {\r |
| 492 | EFI_STATUS Status;\r |
| 493 | PCD_PPI * PcdPpi;\r |
| 494 | \r |
| 495 | PcdPpi = GetPcdPpiPtr ();\r |
| 496 | \r |
| 497 | Status = PcdPpi->Set16 (TokenNumber, Value);\r |
| 498 | \r |
| 499 | ASSERT_EFI_ERROR (Status);\r |
| 500 | \r |
| 501 | return Value;\r |
| 502 | }\r |
| 503 | \r |
| 504 | \r |
| 505 | \r |
| 506 | /**\r |
| 507 | Sets the 32-bit value for the token specified by TokenNumber \r |
| 508 | to the value specified by Value. Value is returned.\r |
| 509 | \r |
| 510 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 511 | @param[in] Value The 32-bit value to set.\r |
| 512 | \r |
| 513 | @retval UINT32 Return the value been set.\r |
| 514 | \r |
| 515 | **/\r |
| 516 | UINT32\r |
| 517 | EFIAPI\r |
| 518 | LibPcdSet32 (\r |
| 519 | IN UINTN TokenNumber,\r |
| 520 | IN UINT32 Value\r |
| 521 | )\r |
| 522 | {\r |
| 523 | EFI_STATUS Status;\r |
| 524 | PCD_PPI * PcdPpi;\r |
| 525 | \r |
| 526 | PcdPpi = GetPcdPpiPtr ();\r |
| 527 | \r |
| 528 | Status = PcdPpi->Set32 (TokenNumber, Value);\r |
| 529 | \r |
| 530 | ASSERT_EFI_ERROR (Status);\r |
| 531 | \r |
| 532 | return Value;\r |
| 533 | }\r |
| 534 | \r |
| 535 | \r |
| 536 | \r |
| 537 | /**\r |
| 538 | Sets the 64-bit value for the token specified by TokenNumber \r |
| 539 | to the value specified by Value. Value is returned.\r |
| 540 | \r |
| 541 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 542 | @param[in] Value The 64-bit value to set.\r |
| 543 | \r |
| 544 | @retval UINT64 Return the value been set.\r |
| 545 | \r |
| 546 | **/\r |
| 547 | UINT64\r |
| 548 | EFIAPI\r |
| 549 | LibPcdSet64 (\r |
| 550 | IN UINTN TokenNumber,\r |
| 551 | IN UINT64 Value\r |
| 552 | )\r |
| 553 | {\r |
| 554 | EFI_STATUS Status;\r |
| 555 | PCD_PPI * PcdPpi;\r |
| 556 | \r |
| 557 | PcdPpi = GetPcdPpiPtr ();\r |
| 558 | \r |
| 559 | Status = PcdPpi->Set64 (TokenNumber, Value);\r |
| 560 | \r |
| 561 | ASSERT_EFI_ERROR (Status);\r |
| 562 | \r |
| 563 | return Value;\r |
| 564 | }\r |
| 565 | \r |
| 566 | \r |
| 567 | \r |
| 568 | /**\r |
| 569 | Sets a buffer for the token specified by TokenNumber to \r |
| 570 | the value specified by Buffer and SizeOfValue. Buffer to\r |
| 571 | be set is returned. The content of the buffer could be \r |
| 572 | overwritten if a Callback on SET is registered with this\r |
| 573 | TokenNumber.\r |
| 574 | \r |
| 575 | If SizeOfValue is greater than the maximum \r |
| 576 | size support by TokenNumber, then set SizeOfValue to the \r |
| 577 | maximum size supported by TokenNumber and return NULL to \r |
| 578 | indicate that the set operation was not actually performed. \r |
| 579 | \r |
| 580 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| 581 | \r |
| 582 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 583 | @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| 584 | @param[in] Value A pointer to the buffer to set.\r |
| 585 | \r |
| 586 | @retval VOID* Return the pointer for the buffer been set.\r |
| 587 | \r |
| 588 | **/\r |
| 589 | VOID *\r |
| 590 | EFIAPI\r |
| 591 | LibPcdSetPtr (\r |
| 592 | IN UINTN TokenNumber,\r |
| 593 | IN OUT UINTN *SizeOfBuffer,\r |
| 594 | IN VOID *Buffer\r |
| 595 | )\r |
| 596 | {\r |
| 597 | EFI_STATUS Status;\r |
| 598 | PCD_PPI *PcdPpi;\r |
| 599 | \r |
| 600 | ASSERT (SizeOfBuffer != NULL);\r |
| 601 | \r |
| 602 | if (*SizeOfBuffer > 0) {\r |
| 603 | ASSERT (Buffer != NULL);\r |
| 604 | }\r |
| 605 | \r |
| 606 | PcdPpi = GetPcdPpiPtr ();\r |
| 607 | \r |
| 608 | Status = PcdPpi->SetPtr (TokenNumber, SizeOfBuffer, Buffer);\r |
| 609 | \r |
| 610 | if (EFI_ERROR (Status)) {\r |
| 611 | return NULL;\r |
| 612 | }\r |
| 613 | \r |
| 614 | return Buffer;\r |
| 615 | }\r |
| 616 | \r |
| 617 | \r |
| 618 | \r |
| 619 | /**\r |
| 620 | Sets the Boolean value for the token specified by TokenNumber \r |
| 621 | to the value specified by Value. Value is returned.\r |
| 622 | \r |
| 623 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 624 | @param[in] Value The boolean value to set.\r |
| 625 | \r |
| 626 | @retval BOOLEAN Return the value been set.\r |
| 627 | \r |
| 628 | **/\r |
| 629 | BOOLEAN\r |
| 630 | EFIAPI\r |
| 631 | LibPcdSetBool (\r |
| 632 | IN UINTN TokenNumber,\r |
| 633 | IN BOOLEAN Value\r |
| 634 | )\r |
| 635 | {\r |
| 636 | EFI_STATUS Status;\r |
| 637 | PCD_PPI * PcdPpi;\r |
| 638 | \r |
| 639 | PcdPpi = GetPcdPpiPtr ();\r |
| 640 | \r |
| 641 | Status = PcdPpi->SetBool (TokenNumber, Value);\r |
| 642 | \r |
| 643 | ASSERT_EFI_ERROR (Status);\r |
| 644 | \r |
| 645 | return Value;\r |
| 646 | }\r |
| 647 | \r |
| 648 | \r |
| 649 | \r |
| 650 | /**\r |
| 651 | Sets the 8-bit value for the token specified by TokenNumber and \r |
| 652 | Guid to the value specified by Value. Value is returned.\r |
| 653 | If Guid is NULL, then ASSERT().\r |
| 654 | \r |
| 655 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 656 | designates which namespace to set a value from.\r |
| 657 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 658 | @param[in] Value The 8-bit value to set.\r |
| 659 | \r |
| 660 | @retval UINT8 Return the value been set.\r |
| 661 | \r |
| 662 | **/\r |
| 663 | UINT8\r |
| 664 | EFIAPI\r |
| 665 | LibPcdSetEx8 (\r |
| 666 | IN CONST GUID *Guid,\r |
| 667 | IN UINTN TokenNumber,\r |
| 668 | IN UINT8 Value\r |
| 669 | )\r |
| 670 | {\r |
| 671 | EFI_STATUS Status;\r |
| 672 | PCD_PPI * PcdPpi;\r |
| 673 | \r |
| 674 | PcdPpi = GetPcdPpiPtr ();\r |
| 675 | \r |
| 676 | ASSERT (Guid != NULL);\r |
| 677 | \r |
| 678 | Status = PcdPpi->Set8Ex (Guid, TokenNumber, Value);\r |
| 679 | \r |
| 680 | ASSERT_EFI_ERROR (Status);\r |
| 681 | \r |
| 682 | return Value;\r |
| 683 | }\r |
| 684 | \r |
| 685 | \r |
| 686 | \r |
| 687 | /**\r |
| 688 | Sets the 16-bit value for the token specified by TokenNumber and \r |
| 689 | Guid to the value specified by Value. Value is returned.\r |
| 690 | If Guid is NULL, then ASSERT().\r |
| 691 | \r |
| 692 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 693 | designates which namespace to set a value from.\r |
| 694 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 695 | @param[in] Value The 16-bit value to set.\r |
| 696 | \r |
| 697 | @retval UINT8 Return the value been set.\r |
| 698 | \r |
| 699 | **/\r |
| 700 | UINT16\r |
| 701 | EFIAPI\r |
| 702 | LibPcdSetEx16 (\r |
| 703 | IN CONST GUID *Guid,\r |
| 704 | IN UINTN TokenNumber,\r |
| 705 | IN UINT16 Value\r |
| 706 | )\r |
| 707 | {\r |
| 708 | EFI_STATUS Status;\r |
| 709 | PCD_PPI * PcdPpi;\r |
| 710 | \r |
| 711 | PcdPpi = GetPcdPpiPtr ();\r |
| 712 | \r |
| 713 | ASSERT (Guid != NULL);\r |
| 714 | Status = PcdPpi->Set16Ex (Guid, TokenNumber, Value);\r |
| 715 | \r |
| 716 | ASSERT_EFI_ERROR (Status);\r |
| 717 | \r |
| 718 | return Value;\r |
| 719 | }\r |
| 720 | \r |
| 721 | \r |
| 722 | \r |
| 723 | /**\r |
| 724 | Sets the 32-bit value for the token specified by TokenNumber and \r |
| 725 | Guid to the value specified by Value. Value is returned.\r |
| 726 | If Guid is NULL, then ASSERT().\r |
| 727 | \r |
| 728 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 729 | designates which namespace to set a value from.\r |
| 730 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 731 | @param[in] Value The 32-bit value to set.\r |
| 732 | \r |
| 733 | @retval UINT32 Return the value been set.\r |
| 734 | \r |
| 735 | **/\r |
| 736 | UINT32\r |
| 737 | EFIAPI\r |
| 738 | LibPcdSetEx32 (\r |
| 739 | IN CONST GUID *Guid,\r |
| 740 | IN UINTN TokenNumber,\r |
| 741 | IN UINT32 Value\r |
| 742 | )\r |
| 743 | {\r |
| 744 | EFI_STATUS Status;\r |
| 745 | PCD_PPI * PcdPpi;\r |
| 746 | ASSERT (Guid != NULL);\r |
| 747 | PcdPpi = GetPcdPpiPtr ();\r |
| 748 | \r |
| 749 | \r |
| 750 | Status = PcdPpi->Set32Ex (Guid, TokenNumber, Value);\r |
| 751 | \r |
| 752 | ASSERT_EFI_ERROR (Status);\r |
| 753 | \r |
| 754 | return Value;\r |
| 755 | }\r |
| 756 | \r |
| 757 | \r |
| 758 | \r |
| 759 | /**\r |
| 760 | Sets the 64-bit value for the token specified by TokenNumber and \r |
| 761 | Guid to the value specified by Value. Value is returned.\r |
| 762 | If Guid is NULL, then ASSERT().\r |
| 763 | \r |
| 764 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 765 | designates which namespace to set a value from.\r |
| 766 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 767 | @param[in] Value The 64-bit value to set.\r |
| 768 | \r |
| 769 | @retval UINT64 Return the value been set.\r |
| 770 | \r |
| 771 | **/\r |
| 772 | UINT64\r |
| 773 | EFIAPI\r |
| 774 | LibPcdSetEx64 (\r |
| 775 | IN CONST GUID *Guid,\r |
| 776 | IN UINTN TokenNumber,\r |
| 777 | IN UINT64 Value\r |
| 778 | )\r |
| 779 | {\r |
| 780 | EFI_STATUS Status;\r |
| 781 | PCD_PPI * PcdPpi;\r |
| 782 | ASSERT (Guid != NULL);\r |
| 783 | PcdPpi = GetPcdPpiPtr ();\r |
| 784 | \r |
| 785 | \r |
| 786 | Status = PcdPpi->Set64Ex (Guid, TokenNumber, Value);\r |
| 787 | \r |
| 788 | ASSERT_EFI_ERROR (Status);\r |
| 789 | \r |
| 790 | return Value;\r |
| 791 | }\r |
| 792 | \r |
| 793 | \r |
| 794 | \r |
| 795 | /**\r |
| 796 | Sets a buffer for the token specified by TokenNumber to the value specified by \r |
| 797 | Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r |
| 798 | the maximum size support by TokenNumber, then set SizeOfValue to the maximum size \r |
| 799 | supported by TokenNumber and return NULL to indicate that the set operation \r |
| 800 | was not actually performed. \r |
| 801 | \r |
| 802 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| 803 | \r |
| 804 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 805 | designates which namespace to set a value from.\r |
| 806 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 807 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| 808 | @param[in] Buffer A pointer to the buffer to set.\r |
| 809 | \r |
| 810 | @retval VOID * Return the pinter to the buffer been set.\r |
| 811 | \r |
| 812 | **/\r |
| 813 | VOID *\r |
| 814 | EFIAPI\r |
| 815 | LibPcdSetExPtr (\r |
| 816 | IN CONST GUID *Guid,\r |
| 817 | IN UINTN TokenNumber,\r |
| 818 | IN OUT UINTN *SizeOfBuffer,\r |
| 819 | IN VOID *Buffer\r |
| 820 | )\r |
| 821 | {\r |
| 822 | EFI_STATUS Status;\r |
| 823 | PCD_PPI *PcdPpi;\r |
| 824 | ASSERT (SizeOfBuffer != NULL);\r |
| 825 | if (*SizeOfBuffer > 0) {\r |
| 826 | ASSERT (Buffer != NULL);\r |
| 827 | }\r |
| 828 | ASSERT (Guid != NULL);\r |
| 829 | PcdPpi = GetPcdPpiPtr ();\r |
| 830 | \r |
| 831 | Status = PcdPpi->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);\r |
| 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 |
| 843 | Sets the Boolean value for the token specified by TokenNumber and \r |
| 844 | Guid to the value specified by Value. Value is returned.\r |
| 845 | If Guid is NULL, then ASSERT().\r |
| 846 | \r |
| 847 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 848 | designates which namespace to set a value from.\r |
| 849 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 850 | @param[in] Value The Boolean value to set.\r |
| 851 | \r |
| 852 | @retval Boolean Return the value been set.\r |
| 853 | \r |
| 854 | **/\r |
| 855 | BOOLEAN\r |
| 856 | EFIAPI\r |
| 857 | LibPcdSetExBool (\r |
| 858 | IN CONST GUID *Guid,\r |
| 859 | IN UINTN TokenNumber,\r |
| 860 | IN BOOLEAN Value\r |
| 861 | )\r |
| 862 | {\r |
| 863 | EFI_STATUS Status;\r |
| 864 | PCD_PPI * PcdPpi;\r |
| 865 | \r |
| 866 | PcdPpi = GetPcdPpiPtr ();\r |
| 867 | \r |
| 868 | ASSERT (Guid != NULL);\r |
| 869 | Status = PcdPpi->SetBoolEx (Guid, TokenNumber, Value);\r |
| 870 | \r |
| 871 | ASSERT_EFI_ERROR (Status);\r |
| 872 | \r |
| 873 | return Value;\r |
| 874 | }\r |
| 875 | \r |
| 876 | \r |
| 877 | \r |
| 878 | /**\r |
| 879 | When the token specified by TokenNumber and Guid is set, \r |
| 880 | then notification function specified by NotificationFunction is called. \r |
| 881 | If Guid is NULL, then the default token space is used. \r |
| 882 | If NotificationFunction is NULL, then ASSERT().\r |
| 883 | \r |
| 884 | @param[in] Guid Pointer to a 128-bit unique value that designates which \r |
| 885 | namespace to set a value from. If NULL, then the default \r |
| 886 | token space is used.\r |
| 887 | @param[in] TokenNumber The PCD token number to monitor.\r |
| 888 | @param[in] NotificationFunction The function to call when the token \r |
| 889 | specified by Guid and TokenNumber is set.\r |
| 890 | \r |
| 891 | @retval VOID\r |
| 892 | \r |
| 893 | **/\r |
| 894 | VOID\r |
| 895 | EFIAPI\r |
| 896 | LibPcdCallbackOnSet (\r |
| 897 | IN CONST GUID *Guid, OPTIONAL\r |
| 898 | IN UINTN TokenNumber,\r |
| 899 | IN PCD_CALLBACK NotificationFunction\r |
| 900 | )\r |
| 901 | {\r |
| 902 | EFI_STATUS Status;\r |
| 903 | PCD_PPI * PcdPpi;\r |
| 904 | \r |
| 905 | PcdPpi = GetPcdPpiPtr ();\r |
| 906 | \r |
| 907 | \r |
| 908 | Status = PcdPpi->CallbackOnSet (Guid, TokenNumber, NotificationFunction);\r |
| 909 | \r |
| 910 | ASSERT_EFI_ERROR (Status);\r |
| 911 | \r |
| 912 | return;\r |
| 913 | }\r |
| 914 | \r |
| 915 | \r |
| 916 | \r |
| 917 | /**\r |
| 918 | Disable a notification function that was established with LibPcdCallbackonSet().\r |
| 919 | If NotificationFunction is NULL, then ASSERT().\r |
| 920 | \r |
| 921 | @param[in] Guid Specify the GUID token space.\r |
| 922 | @param[in] TokenNumber Specify the token number.\r |
| 923 | @param[in] NotificationFunction The callback function to be unregistered.\r |
| 924 | \r |
| 925 | @retval VOID\r |
| 926 | \r |
| 927 | **/\r |
| 928 | VOID\r |
| 929 | EFIAPI\r |
| 930 | LibPcdCancelCallback (\r |
| 931 | IN CONST GUID *Guid, OPTIONAL\r |
| 932 | IN UINTN TokenNumber,\r |
| 933 | IN PCD_CALLBACK NotificationFunction\r |
| 934 | )\r |
| 935 | {\r |
| 936 | EFI_STATUS Status;\r |
| 937 | PCD_PPI * PcdPpi;\r |
| 938 | \r |
| 939 | PcdPpi = GetPcdPpiPtr ();\r |
| 940 | \r |
| 941 | \r |
| 942 | Status = PcdPpi->CancelCallback (Guid, TokenNumber, NotificationFunction);\r |
| 943 | \r |
| 944 | ASSERT_EFI_ERROR (Status);\r |
| 945 | \r |
| 946 | return;\r |
| 947 | }\r |
| 948 | \r |
| 949 | \r |
| 950 | \r |
| 951 | /**\r |
| 952 | Retrieves the next PCD token number from the token space specified by Guid. \r |
| 953 | If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r |
| 954 | then the first token number is returned. Otherwise, the token number that \r |
| 955 | follows TokenNumber in the token space is returned. If TokenNumber is the last \r |
| 956 | token number in the token space, then 0 is returned. If TokenNumber is not 0 and \r |
| 957 | is not in the token space specified by Guid, then ASSERT().\r |
| 958 | \r |
| 959 | @param[in] Pointer to a 128-bit unique value that designates which namespace \r |
| 960 | to set a value from. If NULL, then the default token space is used.\r |
| 961 | @param[in] The previous PCD token number. If 0, then retrieves the first PCD \r |
| 962 | token number.\r |
| 963 | \r |
| 964 | @retval UINTN The next valid token number.\r |
| 965 | \r |
| 966 | **/\r |
| 967 | UINTN \r |
| 968 | EFIAPI\r |
| 969 | LibPcdGetNextToken (\r |
| 970 | IN CONST GUID *Guid, OPTIONAL\r |
| 971 | IN UINTN TokenNumber\r |
| 972 | )\r |
| 973 | {\r |
| 974 | EFI_STATUS Status;\r |
| 975 | PCD_PPI * PcdPpi;\r |
| 976 | \r |
| 977 | PcdPpi = GetPcdPpiPtr ();\r |
| 978 | \r |
| 979 | \r |
| 980 | Status = PcdPpi->GetNextToken (Guid, &TokenNumber);\r |
| 981 | \r |
| 982 | ASSERT_EFI_ERROR (Status);\r |
| 983 | \r |
| 984 | return TokenNumber;\r |
| 985 | }\r |
| 986 | \r |
| 987 | \r |
| 988 | /**\r |
| 989 | Retrieves the next PCD token space from a token space specified by Guid.\r |
| 990 | Guid of NULL is reserved to mark the default local token namespace on the current\r |
| 991 | platform. If Guid is NULL, then the GUID of the first non-local token space of the \r |
| 992 | current platform is returned. If Guid is the last non-local token space, \r |
| 993 | then NULL is returned. \r |
| 994 | \r |
| 995 | If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r |
| 996 | \r |
| 997 | \r |
| 998 | \r |
| 999 | @param[in] Pointer to a 128-bit unique value that designates from which namespace \r |
| 1000 | to start the search.\r |
| 1001 | \r |
| 1002 | @retval CONST GUID * The next valid token namespace.\r |
| 1003 | \r |
| 1004 | **/\r |
| 1005 | GUID * \r |
| 1006 | EFIAPI\r |
| 1007 | LibPcdGetNextTokenSpace (\r |
| 1008 | IN CONST GUID *Guid\r |
| 1009 | )\r |
| 1010 | {\r |
| 1011 | EFI_STATUS Status;\r |
| 1012 | PCD_PPI * PcdPpi;\r |
| 1013 | \r |
| 1014 | PcdPpi = GetPcdPpiPtr ();\r |
| 1015 | \r |
| 1016 | \r |
| 1017 | Status = PcdPpi->GetNextTokenSpace (&Guid);\r |
| 1018 | \r |
| 1019 | ASSERT_EFI_ERROR (Status);\r |
| 1020 | \r |
| 1021 | return (GUID *)Guid;\r |
| 1022 | }\r |
| 1023 | \r |
| 1024 | \r |
| 1025 | \r |
| 1026 | /**\r |
| 1027 | Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r |
| 1028 | and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r |
| 1029 | MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return \r |
| 1030 | NULL to indicate that the set operation was not actually performed. \r |
| 1031 | If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to \r |
| 1032 | MaximumDatumSize and NULL must be returned.\r |
| 1033 | \r |
| 1034 | If PatchVariable is NULL, then ASSERT().\r |
| 1035 | If SizeOfValue is NULL, then ASSERT().\r |
| 1036 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| 1037 | \r |
| 1038 | @param[in] PatchVariable A pointer to the global variable in a module that is \r |
| 1039 | the target of the set operation.\r |
| 1040 | @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.\r |
| 1041 | @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.\r |
| 1042 | @param[in] Buffer A pointer to the buffer to used to set the target variable.\r |
| 1043 | \r |
| 1044 | **/\r |
| 1045 | VOID *\r |
| 1046 | EFIAPI\r |
| 1047 | LibPatchPcdSetPtr (\r |
| 1048 | IN VOID *PatchVariable,\r |
| 1049 | IN UINTN MaximumDatumSize,\r |
| 1050 | IN OUT UINTN *SizeOfBuffer,\r |
| 1051 | IN CONST VOID *Buffer\r |
| 1052 | )\r |
| 1053 | {\r |
| 1054 | ASSERT (PatchVariable != NULL);\r |
| 1055 | ASSERT (SizeOfBuffer != NULL);\r |
| 1056 | \r |
| 1057 | if (*SizeOfBuffer > 0) {\r |
| 1058 | ASSERT (Buffer != NULL);\r |
| 1059 | }\r |
| 1060 | \r |
| 1061 | if ((*SizeOfBuffer > MaximumDatumSize) ||\r |
| 1062 | (*SizeOfBuffer == MAX_ADDRESS)) {\r |
| 1063 | *SizeOfBuffer = MaximumDatumSize;\r |
| 1064 | return NULL;\r |
| 1065 | }\r |
| 1066 | \r |
| 1067 | CopyMem (PatchVariable, Buffer, *SizeOfBuffer);\r |
| 1068 | \r |
| 1069 | return (VOID *) Buffer;\r |
| 1070 | }\r |
| 1071 | \r |
| 1072 | \r |
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