| | 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 | STATIC\r |
| | 29 | PCD_PPI *\r |
| | 30 | GetPcdPpiPtr (\r |
| | 31 | VOID\r |
| | 32 | ) \r |
| | 33 | {\r |
| | 34 | EFI_STATUS Status;\r |
| | 35 | PCD_PPI *PcdPpi;\r |
| | 36 | EFI_PEI_SERVICES **PeiServices;\r |
| | 37 | \r |
| | 38 | \r |
| | 39 | PeiServices = GetPeiServicesTablePointer ();\r |
| | 40 | \r |
| | 41 | Status = (**PeiServices).LocatePpi (\r |
| | 42 | PeiServices,\r |
| | 43 | &gPcdPpiGuid,\r |
| | 44 | 0,\r |
| | 45 | NULL,\r |
| | 46 | (VOID **)&PcdPpi\r |
| | 47 | );\r |
| | 48 | \r |
| | 49 | ASSERT_EFI_ERROR (Status);\r |
| | 50 | \r |
| | 51 | return PcdPpi;\r |
| | 52 | }\r |
| | 53 | \r |
| | 54 | \r |
| | 55 | \r |
| | 56 | /**\r |
| | 57 | Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r |
| | 58 | \r |
| | 59 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r |
| | 60 | set values associated with a PCD token.\r |
| | 61 | \r |
| | 62 | @retval SKU_ID Return the SKU ID that just be set.\r |
| | 63 | \r |
| | 64 | **/\r |
| | 65 | UINTN\r |
| | 66 | EFIAPI\r |
| | 67 | LibPcdSetSku (\r |
| | 68 | IN UINTN SkuId\r |
| | 69 | )\r |
| | 70 | {\r |
| | 71 | \r |
| | 72 | ASSERT (SkuId < 0x100);\r |
| | 73 | \r |
| | 74 | GetPcdPpiPtr()->SetSku (SkuId);;\r |
| | 75 | \r |
| | 76 | return SkuId;\r |
| | 77 | }\r |
| | 78 | \r |
| | 79 | \r |
| | 80 | \r |
| | 81 | /**\r |
| | 82 | Returns the 8-bit value for the token specified by TokenNumber. \r |
| | 83 | \r |
| | 84 | @param[in] The PCD token number to retrieve a current value for.\r |
| | 85 | \r |
| | 86 | @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber. \r |
| | 87 | \r |
| | 88 | **/\r |
| | 89 | UINT8\r |
| | 90 | EFIAPI\r |
| | 91 | LibPcdGet8 (\r |
| | 92 | IN UINTN TokenNumber\r |
| | 93 | )\r |
| | 94 | {\r |
| | 95 | PCD_PPI * PcdPpi;\r |
| | 96 | \r |
| | 97 | PcdPpi = GetPcdPpiPtr ();\r |
| | 98 | \r |
| | 99 | return PcdPpi->Get8 (TokenNumber);\r |
| | 100 | }\r |
| | 101 | \r |
| | 102 | \r |
| | 103 | \r |
| | 104 | /**\r |
| | 105 | Returns the 16-bit value for the token specified by TokenNumber. \r |
| | 106 | \r |
| | 107 | @param[in] The PCD token number to retrieve a current value for.\r |
| | 108 | \r |
| | 109 | @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber. \r |
| | 110 | \r |
| | 111 | **/\r |
| | 112 | UINT16\r |
| | 113 | EFIAPI\r |
| | 114 | LibPcdGet16 (\r |
| | 115 | IN UINTN TokenNumber\r |
| | 116 | )\r |
| | 117 | {\r |
| | 118 | PCD_PPI *PcdPpi;\r |
| | 119 | \r |
| | 120 | PcdPpi = GetPcdPpiPtr ();\r |
| | 121 | \r |
| | 122 | return PcdPpi->Get16 (TokenNumber);\r |
| | 123 | }\r |
| | 124 | \r |
| | 125 | \r |
| | 126 | \r |
| | 127 | /**\r |
| | 128 | Returns the 32-bit value for the token specified by TokenNumber. \r |
| | 129 | \r |
| | 130 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 131 | \r |
| | 132 | @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.\r |
| | 133 | \r |
| | 134 | **/\r |
| | 135 | UINT32\r |
| | 136 | EFIAPI\r |
| | 137 | LibPcdGet32 (\r |
| | 138 | IN UINTN TokenNumber\r |
| | 139 | )\r |
| | 140 | {\r |
| | 141 | PCD_PPI * PcdPpi;\r |
| | 142 | \r |
| | 143 | PcdPpi = GetPcdPpiPtr ();\r |
| | 144 | \r |
| | 145 | return PcdPpi->Get32 (TokenNumber);\r |
| | 146 | }\r |
| | 147 | \r |
| | 148 | \r |
| | 149 | \r |
| | 150 | /**\r |
| | 151 | Returns the 64-bit value for the token specified by TokenNumber.\r |
| | 152 | \r |
| | 153 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 154 | \r |
| | 155 | @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.\r |
| | 156 | \r |
| | 157 | **/\r |
| | 158 | UINT64\r |
| | 159 | EFIAPI\r |
| | 160 | LibPcdGet64 (\r |
| | 161 | IN UINTN TokenNumber\r |
| | 162 | )\r |
| | 163 | {\r |
| | 164 | PCD_PPI * PcdPpi;\r |
| | 165 | \r |
| | 166 | PcdPpi = GetPcdPpiPtr ();\r |
| | 167 | \r |
| | 168 | return PcdPpi->Get64 (TokenNumber);\r |
| | 169 | }\r |
| | 170 | \r |
| | 171 | \r |
| | 172 | \r |
| | 173 | /**\r |
| | 174 | Returns the pointer to the buffer of the token specified by TokenNumber.\r |
| | 175 | \r |
| | 176 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 177 | \r |
| | 178 | @retval VOID* Returns the pointer to the token specified by TokenNumber.\r |
| | 179 | \r |
| | 180 | **/\r |
| | 181 | VOID *\r |
| | 182 | EFIAPI\r |
| | 183 | LibPcdGetPtr (\r |
| | 184 | IN UINTN TokenNumber\r |
| | 185 | )\r |
| | 186 | {\r |
| | 187 | PCD_PPI * PcdPpi;\r |
| | 188 | \r |
| | 189 | PcdPpi = GetPcdPpiPtr ();\r |
| | 190 | \r |
| | 191 | return PcdPpi->GetPtr (TokenNumber);\r |
| | 192 | }\r |
| | 193 | \r |
| | 194 | \r |
| | 195 | \r |
| | 196 | /**\r |
| | 197 | Returns the Boolean value of the token specified by TokenNumber. \r |
| | 198 | \r |
| | 199 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 200 | \r |
| | 201 | @retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber. \r |
| | 202 | \r |
| | 203 | **/\r |
| | 204 | BOOLEAN \r |
| | 205 | EFIAPI\r |
| | 206 | LibPcdGetBool (\r |
| | 207 | IN UINTN TokenNumber\r |
| | 208 | )\r |
| | 209 | {\r |
| | 210 | PCD_PPI * PcdPpi;\r |
| | 211 | \r |
| | 212 | PcdPpi = GetPcdPpiPtr ();\r |
| | 213 | \r |
| | 214 | return PcdPpi->GetBool (TokenNumber);\r |
| | 215 | }\r |
| | 216 | \r |
| | 217 | \r |
| | 218 | \r |
| | 219 | /**\r |
| | 220 | Returns the size of the token specified by TokenNumber. \r |
| | 221 | \r |
| | 222 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 223 | \r |
| | 224 | @retval UINTN Returns the size of the token specified by TokenNumber. \r |
| | 225 | \r |
| | 226 | **/\r |
| | 227 | UINTN\r |
| | 228 | EFIAPI\r |
| | 229 | LibPcdGetSize (\r |
| | 230 | IN UINTN TokenNumber\r |
| | 231 | )\r |
| | 232 | {\r |
| | 233 | PCD_PPI * PcdPpi;\r |
| | 234 | \r |
| | 235 | PcdPpi = GetPcdPpiPtr ();\r |
| | 236 | \r |
| | 237 | return PcdPpi->GetSize (TokenNumber);\r |
| | 238 | }\r |
| | 239 | \r |
| | 240 | \r |
| | 241 | \r |
| | 242 | /**\r |
| | 243 | Returns the 8-bit value for the token specified by TokenNumber and Guid.\r |
| | 244 | If Guid is NULL, then ASSERT(). \r |
| | 245 | \r |
| | 246 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| | 247 | which namespace to retrieve a value from.\r |
| | 248 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 249 | \r |
| | 250 | @retval UINT8 Return the UINT8.\r |
| | 251 | \r |
| | 252 | **/\r |
| | 253 | UINT8\r |
| | 254 | EFIAPI\r |
| | 255 | LibPcdGetEx8 (\r |
| | 256 | IN CONST GUID *Guid,\r |
| | 257 | IN UINTN TokenNumber\r |
| | 258 | )\r |
| | 259 | {\r |
| | 260 | PCD_PPI * PcdPpi;\r |
| | 261 | \r |
| | 262 | ASSERT (Guid != NULL);\r |
| | 263 | \r |
| | 264 | PcdPpi = GetPcdPpiPtr ();\r |
| | 265 | \r |
| | 266 | return PcdPpi->Get8Ex (Guid, TokenNumber);\r |
| | 267 | }\r |
| | 268 | \r |
| | 269 | \r |
| | 270 | \r |
| | 271 | /**\r |
| | 272 | Returns the 16-bit value for the token specified by TokenNumber and Guid.\r |
| | 273 | If Guid is NULL, then ASSERT(). \r |
| | 274 | \r |
| | 275 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| | 276 | which namespace to retrieve a value from.\r |
| | 277 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 278 | \r |
| | 279 | @retval UINT16 Return the UINT16.\r |
| | 280 | \r |
| | 281 | **/\r |
| | 282 | UINT16\r |
| | 283 | EFIAPI\r |
| | 284 | LibPcdGetEx16 (\r |
| | 285 | IN CONST GUID *Guid,\r |
| | 286 | IN UINTN TokenNumber\r |
| | 287 | )\r |
| | 288 | {\r |
| | 289 | PCD_PPI * PcdPpi;\r |
| | 290 | \r |
| | 291 | ASSERT (Guid != NULL);\r |
| | 292 | \r |
| | 293 | PcdPpi = GetPcdPpiPtr ();\r |
| | 294 | \r |
| | 295 | return PcdPpi->Get16Ex (Guid, TokenNumber);\r |
| | 296 | }\r |
| | 297 | \r |
| | 298 | \r |
| | 299 | \r |
| | 300 | /**\r |
| | 301 | Returns the 32-bit value for the token specified by TokenNumber and Guid.\r |
| | 302 | If Guid is NULL, then ASSERT(). \r |
| | 303 | \r |
| | 304 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| | 305 | which namespace to retrieve a value from.\r |
| | 306 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 307 | \r |
| | 308 | @retval UINT32 Return the UINT32.\r |
| | 309 | \r |
| | 310 | **/\r |
| | 311 | UINT32\r |
| | 312 | EFIAPI\r |
| | 313 | LibPcdGetEx32 (\r |
| | 314 | IN CONST GUID *Guid,\r |
| | 315 | IN UINTN TokenNumber\r |
| | 316 | )\r |
| | 317 | {\r |
| | 318 | PCD_PPI * PcdPpi;\r |
| | 319 | \r |
| | 320 | ASSERT (Guid != NULL);\r |
| | 321 | \r |
| | 322 | PcdPpi = GetPcdPpiPtr ();\r |
| | 323 | \r |
| | 324 | return PcdPpi->Get32Ex (Guid, TokenNumber);\r |
| | 325 | }\r |
| | 326 | \r |
| | 327 | \r |
| | 328 | \r |
| | 329 | \r |
| | 330 | /**\r |
| | 331 | Returns the 64-bit value for the token specified by TokenNumber and Guid.\r |
| | 332 | If Guid is NULL, then ASSERT(). \r |
| | 333 | \r |
| | 334 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| | 335 | which namespace to retrieve a value from.\r |
| | 336 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 337 | \r |
| | 338 | @retval UINT64 Return the UINT64.\r |
| | 339 | \r |
| | 340 | **/\r |
| | 341 | UINT64\r |
| | 342 | EFIAPI\r |
| | 343 | LibPcdGetEx64 (\r |
| | 344 | IN CONST GUID *Guid,\r |
| | 345 | IN UINTN TokenNumber\r |
| | 346 | )\r |
| | 347 | {\r |
| | 348 | PCD_PPI * PcdPpi;\r |
| | 349 | \r |
| | 350 | ASSERT (Guid != NULL);\r |
| | 351 | \r |
| | 352 | PcdPpi = GetPcdPpiPtr ();\r |
| | 353 | \r |
| | 354 | return PcdPpi->Get64Ex (Guid, TokenNumber);\r |
| | 355 | }\r |
| | 356 | \r |
| | 357 | \r |
| | 358 | \r |
| | 359 | /**\r |
| | 360 | Returns the pointer to the token specified by TokenNumber and Guid.\r |
| | 361 | If Guid is NULL, then ASSERT(). \r |
| | 362 | \r |
| | 363 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| | 364 | which namespace to retrieve a value from.\r |
| | 365 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 366 | \r |
| | 367 | @retval VOID* Return the VOID* pointer.\r |
| | 368 | \r |
| | 369 | **/\r |
| | 370 | VOID *\r |
| | 371 | EFIAPI\r |
| | 372 | LibPcdGetExPtr (\r |
| | 373 | IN CONST GUID *Guid,\r |
| | 374 | IN UINTN TokenNumber\r |
| | 375 | )\r |
| | 376 | {\r |
| | 377 | PCD_PPI * PcdPpi;\r |
| | 378 | \r |
| | 379 | ASSERT (Guid != NULL);\r |
| | 380 | \r |
| | 381 | PcdPpi = GetPcdPpiPtr ();\r |
| | 382 | \r |
| | 383 | return PcdPpi->GetPtrEx (Guid, TokenNumber);\r |
| | 384 | }\r |
| | 385 | \r |
| | 386 | \r |
| | 387 | \r |
| | 388 | /**\r |
| | 389 | Returns the Boolean value of the token specified by TokenNumber and Guid. \r |
| | 390 | If Guid is NULL, then ASSERT(). \r |
| | 391 | \r |
| | 392 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| | 393 | which namespace to retrieve a value from.\r |
| | 394 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 395 | \r |
| | 396 | @retval BOOLEAN Return the BOOLEAN.\r |
| | 397 | \r |
| | 398 | **/\r |
| | 399 | BOOLEAN\r |
| | 400 | EFIAPI\r |
| | 401 | LibPcdGetExBool (\r |
| | 402 | IN CONST GUID *Guid,\r |
| | 403 | IN UINTN TokenNumber\r |
| | 404 | )\r |
| | 405 | {\r |
| | 406 | PCD_PPI * PcdPpi;\r |
| | 407 | \r |
| | 408 | ASSERT (Guid != NULL);\r |
| | 409 | \r |
| | 410 | PcdPpi = GetPcdPpiPtr ();\r |
| | 411 | \r |
| | 412 | return PcdPpi->GetBoolEx (Guid, TokenNumber);\r |
| | 413 | }\r |
| | 414 | \r |
| | 415 | \r |
| | 416 | \r |
| | 417 | /**\r |
| | 418 | Returns the size of the token specified by TokenNumber and Guid. \r |
| | 419 | If Guid is NULL, then ASSERT(). \r |
| | 420 | \r |
| | 421 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| | 422 | which namespace to retrieve a value from.\r |
| | 423 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| | 424 | \r |
| | 425 | @retval UINTN Return the size.\r |
| | 426 | \r |
| | 427 | **/\r |
| | 428 | UINTN\r |
| | 429 | EFIAPI\r |
| | 430 | LibPcdGetExSize (\r |
| | 431 | IN CONST GUID *Guid,\r |
| | 432 | IN UINTN TokenNumber\r |
| | 433 | )\r |
| | 434 | {\r |
| | 435 | PCD_PPI * PcdPpi;\r |
| | 436 | \r |
| | 437 | ASSERT (Guid != NULL);\r |
| | 438 | \r |
| | 439 | PcdPpi = GetPcdPpiPtr ();\r |
| | 440 | \r |
| | 441 | return PcdPpi->GetSizeEx (Guid, TokenNumber);\r |
| | 442 | }\r |
| | 443 | \r |
| | 444 | \r |
| | 445 | \r |
| | 446 | /**\r |
| | 447 | Sets the 8-bit value for the token specified by TokenNumber \r |
| | 448 | to the value specified by Value. Value is returned.\r |
| | 449 | \r |
| | 450 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 451 | @param[in] Value The 8-bit value to set.\r |
| | 452 | \r |
| | 453 | @retval UINT8 Return the value been set.\r |
| | 454 | \r |
| | 455 | **/\r |
| | 456 | UINT8\r |
| | 457 | EFIAPI\r |
| | 458 | LibPcdSet8 (\r |
| | 459 | IN UINTN TokenNumber,\r |
| | 460 | IN UINT8 Value\r |
| | 461 | )\r |
| | 462 | {\r |
| | 463 | EFI_STATUS Status;\r |
| | 464 | PCD_PPI * PcdPpi;\r |
| | 465 | \r |
| | 466 | PcdPpi = GetPcdPpiPtr ();\r |
| | 467 | \r |
| | 468 | Status = PcdPpi->Set8 (TokenNumber, Value);\r |
| | 469 | \r |
| | 470 | ASSERT_EFI_ERROR (Status);\r |
| | 471 | \r |
| | 472 | return Value;\r |
| | 473 | }\r |
| | 474 | \r |
| | 475 | \r |
| | 476 | \r |
| | 477 | /**\r |
| | 478 | Sets the 16-bit value for the token specified by TokenNumber \r |
| | 479 | to the value specified by Value. Value is returned.\r |
| | 480 | \r |
| | 481 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 482 | @param[in] Value The 16-bit value to set.\r |
| | 483 | \r |
| | 484 | @retval UINT16 Return the value been set.\r |
| | 485 | \r |
| | 486 | **/\r |
| | 487 | UINT16\r |
| | 488 | EFIAPI\r |
| | 489 | LibPcdSet16 (\r |
| | 490 | IN UINTN TokenNumber,\r |
| | 491 | IN UINT16 Value\r |
| | 492 | )\r |
| | 493 | {\r |
| | 494 | EFI_STATUS Status;\r |
| | 495 | PCD_PPI * PcdPpi;\r |
| | 496 | \r |
| | 497 | PcdPpi = GetPcdPpiPtr ();\r |
| | 498 | \r |
| | 499 | Status = PcdPpi->Set16 (TokenNumber, Value);\r |
| | 500 | \r |
| | 501 | ASSERT_EFI_ERROR (Status);\r |
| | 502 | \r |
| | 503 | return Value;\r |
| | 504 | }\r |
| | 505 | \r |
| | 506 | \r |
| | 507 | \r |
| | 508 | /**\r |
| | 509 | Sets the 32-bit value for the token specified by TokenNumber \r |
| | 510 | to the value specified by Value. Value is returned.\r |
| | 511 | \r |
| | 512 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 513 | @param[in] Value The 32-bit value to set.\r |
| | 514 | \r |
| | 515 | @retval UINT32 Return the value been set.\r |
| | 516 | \r |
| | 517 | **/\r |
| | 518 | UINT32\r |
| | 519 | EFIAPI\r |
| | 520 | LibPcdSet32 (\r |
| | 521 | IN UINTN TokenNumber,\r |
| | 522 | IN UINT32 Value\r |
| | 523 | )\r |
| | 524 | {\r |
| | 525 | EFI_STATUS Status;\r |
| | 526 | PCD_PPI * PcdPpi;\r |
| | 527 | \r |
| | 528 | PcdPpi = GetPcdPpiPtr ();\r |
| | 529 | \r |
| | 530 | Status = PcdPpi->Set32 (TokenNumber, Value);\r |
| | 531 | \r |
| | 532 | ASSERT_EFI_ERROR (Status);\r |
| | 533 | \r |
| | 534 | return Value;\r |
| | 535 | }\r |
| | 536 | \r |
| | 537 | \r |
| | 538 | \r |
| | 539 | /**\r |
| | 540 | Sets the 64-bit value for the token specified by TokenNumber \r |
| | 541 | to the value specified by Value. Value is returned.\r |
| | 542 | \r |
| | 543 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 544 | @param[in] Value The 64-bit value to set.\r |
| | 545 | \r |
| | 546 | @retval UINT64 Return the value been set.\r |
| | 547 | \r |
| | 548 | **/\r |
| | 549 | UINT64\r |
| | 550 | EFIAPI\r |
| | 551 | LibPcdSet64 (\r |
| | 552 | IN UINTN TokenNumber,\r |
| | 553 | IN UINT64 Value\r |
| | 554 | )\r |
| | 555 | {\r |
| | 556 | EFI_STATUS Status;\r |
| | 557 | PCD_PPI * PcdPpi;\r |
| | 558 | \r |
| | 559 | PcdPpi = GetPcdPpiPtr ();\r |
| | 560 | \r |
| | 561 | Status = PcdPpi->Set64 (TokenNumber, Value);\r |
| | 562 | \r |
| | 563 | ASSERT_EFI_ERROR (Status);\r |
| | 564 | \r |
| | 565 | return Value;\r |
| | 566 | }\r |
| | 567 | \r |
| | 568 | \r |
| | 569 | \r |
| | 570 | /**\r |
| | 571 | Sets a buffer for the token specified by TokenNumber to \r |
| | 572 | the value specified by Buffer and SizeOfValue. Buffer to\r |
| | 573 | be set is returned. The content of the buffer could be \r |
| | 574 | overwritten if a Callback on SET is registered with this\r |
| | 575 | TokenNumber.\r |
| | 576 | \r |
| | 577 | If SizeOfValue is greater than the maximum \r |
| | 578 | size support by TokenNumber, then set SizeOfValue to the \r |
| | 579 | maximum size supported by TokenNumber and return NULL to \r |
| | 580 | indicate that the set operation was not actually performed. \r |
| | 581 | \r |
| | 582 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| | 583 | \r |
| | 584 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 585 | @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| | 586 | @param[in] Value A pointer to the buffer to set.\r |
| | 587 | \r |
| | 588 | @retval VOID* Return the pointer for the buffer been set.\r |
| | 589 | \r |
| | 590 | **/\r |
| | 591 | VOID *\r |
| | 592 | EFIAPI\r |
| | 593 | LibPcdSetPtr (\r |
| | 594 | IN UINTN TokenNumber,\r |
| | 595 | IN OUT UINTN *SizeOfBuffer,\r |
| | 596 | IN VOID *Buffer\r |
| | 597 | )\r |
| | 598 | {\r |
| | 599 | EFI_STATUS Status;\r |
| | 600 | PCD_PPI *PcdPpi;\r |
| | 601 | \r |
| | 602 | ASSERT (SizeOfBuffer != NULL);\r |
| | 603 | \r |
| | 604 | if (*SizeOfBuffer > 0) {\r |
| | 605 | ASSERT (Buffer != NULL);\r |
| | 606 | }\r |
| | 607 | \r |
| | 608 | PcdPpi = GetPcdPpiPtr ();\r |
| | 609 | \r |
| | 610 | Status = PcdPpi->SetPtr (TokenNumber, SizeOfBuffer, Buffer);\r |
| | 611 | \r |
| | 612 | if (EFI_ERROR (Status)) {\r |
| | 613 | return NULL;\r |
| | 614 | }\r |
| | 615 | \r |
| | 616 | return Buffer;\r |
| | 617 | }\r |
| | 618 | \r |
| | 619 | \r |
| | 620 | \r |
| | 621 | /**\r |
| | 622 | Sets the Boolean value for the token specified by TokenNumber \r |
| | 623 | to the value specified by Value. Value is returned.\r |
| | 624 | \r |
| | 625 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 626 | @param[in] Value The boolean value to set.\r |
| | 627 | \r |
| | 628 | @retval BOOLEAN Return the value been set.\r |
| | 629 | \r |
| | 630 | **/\r |
| | 631 | BOOLEAN\r |
| | 632 | EFIAPI\r |
| | 633 | LibPcdSetBool (\r |
| | 634 | IN UINTN TokenNumber,\r |
| | 635 | IN BOOLEAN Value\r |
| | 636 | )\r |
| | 637 | {\r |
| | 638 | EFI_STATUS Status;\r |
| | 639 | PCD_PPI * PcdPpi;\r |
| | 640 | \r |
| | 641 | PcdPpi = GetPcdPpiPtr ();\r |
| | 642 | \r |
| | 643 | Status = PcdPpi->SetBool (TokenNumber, Value);\r |
| | 644 | \r |
| | 645 | ASSERT_EFI_ERROR (Status);\r |
| | 646 | \r |
| | 647 | return Value;\r |
| | 648 | }\r |
| | 649 | \r |
| | 650 | \r |
| | 651 | \r |
| | 652 | /**\r |
| | 653 | Sets the 8-bit value for the token specified by TokenNumber and \r |
| | 654 | Guid to the value specified by Value. Value is returned.\r |
| | 655 | If Guid is NULL, then ASSERT().\r |
| | 656 | \r |
| | 657 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| | 658 | designates which namespace to set a value from.\r |
| | 659 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 660 | @param[in] Value The 8-bit value to set.\r |
| | 661 | \r |
| | 662 | @retval UINT8 Return the value been set.\r |
| | 663 | \r |
| | 664 | **/\r |
| | 665 | UINT8\r |
| | 666 | EFIAPI\r |
| | 667 | LibPcdSetEx8 (\r |
| | 668 | IN CONST GUID *Guid,\r |
| | 669 | IN UINTN TokenNumber,\r |
| | 670 | IN UINT8 Value\r |
| | 671 | )\r |
| | 672 | {\r |
| | 673 | EFI_STATUS Status;\r |
| | 674 | PCD_PPI * PcdPpi;\r |
| | 675 | \r |
| | 676 | PcdPpi = GetPcdPpiPtr ();\r |
| | 677 | \r |
| | 678 | ASSERT (Guid != NULL);\r |
| | 679 | \r |
| | 680 | Status = PcdPpi->Set8Ex (Guid, TokenNumber, Value);\r |
| | 681 | \r |
| | 682 | ASSERT_EFI_ERROR (Status);\r |
| | 683 | \r |
| | 684 | return Value;\r |
| | 685 | }\r |
| | 686 | \r |
| | 687 | \r |
| | 688 | \r |
| | 689 | /**\r |
| | 690 | Sets the 16-bit value for the token specified by TokenNumber and \r |
| | 691 | Guid to the value specified by Value. Value is returned.\r |
| | 692 | If Guid is NULL, then ASSERT().\r |
| | 693 | \r |
| | 694 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| | 695 | designates which namespace to set a value from.\r |
| | 696 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 697 | @param[in] Value The 16-bit value to set.\r |
| | 698 | \r |
| | 699 | @retval UINT8 Return the value been set.\r |
| | 700 | \r |
| | 701 | **/\r |
| | 702 | UINT16\r |
| | 703 | EFIAPI\r |
| | 704 | LibPcdSetEx16 (\r |
| | 705 | IN CONST GUID *Guid,\r |
| | 706 | IN UINTN TokenNumber,\r |
| | 707 | IN UINT16 Value\r |
| | 708 | )\r |
| | 709 | {\r |
| | 710 | EFI_STATUS Status;\r |
| | 711 | PCD_PPI * PcdPpi;\r |
| | 712 | \r |
| | 713 | PcdPpi = GetPcdPpiPtr ();\r |
| | 714 | \r |
| | 715 | ASSERT (Guid != NULL);\r |
| | 716 | Status = PcdPpi->Set16Ex (Guid, TokenNumber, Value);\r |
| | 717 | \r |
| | 718 | ASSERT_EFI_ERROR (Status);\r |
| | 719 | \r |
| | 720 | return Value;\r |
| | 721 | }\r |
| | 722 | \r |
| | 723 | \r |
| | 724 | \r |
| | 725 | /**\r |
| | 726 | Sets the 32-bit value for the token specified by TokenNumber and \r |
| | 727 | Guid to the value specified by Value. Value is returned.\r |
| | 728 | If Guid is NULL, then ASSERT().\r |
| | 729 | \r |
| | 730 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| | 731 | designates which namespace to set a value from.\r |
| | 732 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 733 | @param[in] Value The 32-bit value to set.\r |
| | 734 | \r |
| | 735 | @retval UINT32 Return the value been set.\r |
| | 736 | \r |
| | 737 | **/\r |
| | 738 | UINT32\r |
| | 739 | EFIAPI\r |
| | 740 | LibPcdSetEx32 (\r |
| | 741 | IN CONST GUID *Guid,\r |
| | 742 | IN UINTN TokenNumber,\r |
| | 743 | IN UINT32 Value\r |
| | 744 | )\r |
| | 745 | {\r |
| | 746 | EFI_STATUS Status;\r |
| | 747 | PCD_PPI * PcdPpi;\r |
| | 748 | ASSERT (Guid != NULL);\r |
| | 749 | PcdPpi = GetPcdPpiPtr ();\r |
| | 750 | \r |
| | 751 | \r |
| | 752 | Status = PcdPpi->Set32Ex (Guid, TokenNumber, Value);\r |
| | 753 | \r |
| | 754 | ASSERT_EFI_ERROR (Status);\r |
| | 755 | \r |
| | 756 | return Value;\r |
| | 757 | }\r |
| | 758 | \r |
| | 759 | \r |
| | 760 | \r |
| | 761 | /**\r |
| | 762 | Sets the 64-bit value for the token specified by TokenNumber and \r |
| | 763 | Guid to the value specified by Value. Value is returned.\r |
| | 764 | If Guid is NULL, then ASSERT().\r |
| | 765 | \r |
| | 766 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| | 767 | designates which namespace to set a value from.\r |
| | 768 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 769 | @param[in] Value The 64-bit value to set.\r |
| | 770 | \r |
| | 771 | @retval UINT64 Return the value been set.\r |
| | 772 | \r |
| | 773 | **/\r |
| | 774 | UINT64\r |
| | 775 | EFIAPI\r |
| | 776 | LibPcdSetEx64 (\r |
| | 777 | IN CONST GUID *Guid,\r |
| | 778 | IN UINTN TokenNumber,\r |
| | 779 | IN UINT64 Value\r |
| | 780 | )\r |
| | 781 | {\r |
| | 782 | EFI_STATUS Status;\r |
| | 783 | PCD_PPI * PcdPpi;\r |
| | 784 | ASSERT (Guid != NULL);\r |
| | 785 | PcdPpi = GetPcdPpiPtr ();\r |
| | 786 | \r |
| | 787 | \r |
| | 788 | Status = PcdPpi->Set64Ex (Guid, TokenNumber, Value);\r |
| | 789 | \r |
| | 790 | ASSERT_EFI_ERROR (Status);\r |
| | 791 | \r |
| | 792 | return Value;\r |
| | 793 | }\r |
| | 794 | \r |
| | 795 | \r |
| | 796 | \r |
| | 797 | /**\r |
| | 798 | Sets a buffer for the token specified by TokenNumber to the value specified by \r |
| | 799 | Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r |
| | 800 | the maximum size support by TokenNumber, then set SizeOfValue to the maximum size \r |
| | 801 | supported by TokenNumber and return NULL to indicate that the set operation \r |
| | 802 | was not actually performed. \r |
| | 803 | \r |
| | 804 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| | 805 | \r |
| | 806 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| | 807 | designates which namespace to set a value from.\r |
| | 808 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 809 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| | 810 | @param[in] Buffer A pointer to the buffer to set.\r |
| | 811 | \r |
| | 812 | @retval VOID * Return the pinter to the buffer been set.\r |
| | 813 | \r |
| | 814 | **/\r |
| | 815 | VOID *\r |
| | 816 | EFIAPI\r |
| | 817 | LibPcdSetExPtr (\r |
| | 818 | IN CONST GUID *Guid,\r |
| | 819 | IN UINTN TokenNumber,\r |
| | 820 | IN OUT UINTN *SizeOfBuffer,\r |
| | 821 | IN VOID *Buffer\r |
| | 822 | )\r |
| | 823 | {\r |
| | 824 | EFI_STATUS Status;\r |
| | 825 | PCD_PPI *PcdPpi;\r |
| | 826 | ASSERT (SizeOfBuffer != NULL);\r |
| | 827 | if (*SizeOfBuffer > 0) {\r |
| | 828 | ASSERT (Buffer != NULL);\r |
| | 829 | }\r |
| | 830 | ASSERT (Guid != NULL);\r |
| | 831 | PcdPpi = GetPcdPpiPtr ();\r |
| | 832 | \r |
| | 833 | Status = PcdPpi->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);\r |
| | 834 | \r |
| | 835 | if (EFI_ERROR (Status)) {\r |
| | 836 | return NULL;\r |
| | 837 | }\r |
| | 838 | \r |
| | 839 | return Buffer;\r |
| | 840 | }\r |
| | 841 | \r |
| | 842 | \r |
| | 843 | \r |
| | 844 | /**\r |
| | 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 |
| | 847 | If Guid is NULL, then ASSERT().\r |
| | 848 | \r |
| | 849 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| | 850 | designates which namespace to set a value from.\r |
| | 851 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| | 852 | @param[in] Value The Boolean value to set.\r |
| | 853 | \r |
| | 854 | @retval Boolean Return the value been set.\r |
| | 855 | \r |
| | 856 | **/\r |
| | 857 | BOOLEAN\r |
| | 858 | EFIAPI\r |
| | 859 | LibPcdSetExBool (\r |
| | 860 | IN CONST GUID *Guid,\r |
| | 861 | IN UINTN TokenNumber,\r |
| | 862 | IN BOOLEAN Value\r |
| | 863 | )\r |
| | 864 | {\r |
| | 865 | EFI_STATUS Status;\r |
| | 866 | PCD_PPI * PcdPpi;\r |
| | 867 | \r |
| | 868 | PcdPpi = GetPcdPpiPtr ();\r |
| | 869 | \r |
| | 870 | ASSERT (Guid != NULL);\r |
| | 871 | Status = PcdPpi->SetBoolEx (Guid, TokenNumber, Value);\r |
| | 872 | \r |
| | 873 | ASSERT_EFI_ERROR (Status);\r |
| | 874 | \r |
| | 875 | return Value;\r |
| | 876 | }\r |
| | 877 | \r |
| | 878 | \r |
| | 879 | \r |
| | 880 | /**\r |
| | 881 | When the token specified by TokenNumber and Guid is set, \r |
| | 882 | then notification function specified by NotificationFunction is called. \r |
| | 883 | If Guid is NULL, then the default token space is used. \r |
| | 884 | If NotificationFunction is NULL, then ASSERT().\r |
| | 885 | \r |
| | 886 | @param[in] Guid Pointer to a 128-bit unique value that designates which \r |
| | 887 | namespace to set a value from. If NULL, then the default \r |
| | 888 | token space is used.\r |
| | 889 | @param[in] TokenNumber The PCD token number to monitor.\r |
| | 890 | @param[in] NotificationFunction The function to call when the token \r |
| | 891 | specified by Guid and TokenNumber is set.\r |
| | 892 | \r |
| | 893 | @retval VOID\r |
| | 894 | \r |
| | 895 | **/\r |
| | 896 | VOID\r |
| | 897 | EFIAPI\r |
| | 898 | LibPcdCallbackOnSet (\r |
| | 899 | IN CONST GUID *Guid, OPTIONAL\r |
| | 900 | IN UINTN TokenNumber,\r |
| | 901 | IN PCD_CALLBACK NotificationFunction\r |
| | 902 | )\r |
| | 903 | {\r |
| | 904 | EFI_STATUS Status;\r |
| | 905 | PCD_PPI * PcdPpi;\r |
| | 906 | \r |
| | 907 | PcdPpi = GetPcdPpiPtr ();\r |
| | 908 | \r |
| | 909 | \r |
| | 910 | Status = PcdPpi->CallbackOnSet (Guid, TokenNumber, NotificationFunction);\r |
| | 911 | \r |
| | 912 | ASSERT_EFI_ERROR (Status);\r |
| | 913 | \r |
| | 914 | return;\r |
| | 915 | }\r |
| | 916 | \r |
| | 917 | \r |
| | 918 | \r |
| | 919 | /**\r |
| | 920 | Disable a notification function that was established with LibPcdCallbackonSet().\r |
| | 921 | If NotificationFunction is NULL, then ASSERT().\r |
| | 922 | \r |
| | 923 | @param[in] Guid Specify the GUID token space.\r |
| | 924 | @param[in] TokenNumber Specify the token number.\r |
| | 925 | @param[in] NotificationFunction The callback function to be unregistered.\r |
| | 926 | \r |
| | 927 | @retval VOID\r |
| | 928 | \r |
| | 929 | **/\r |
| | 930 | VOID\r |
| | 931 | EFIAPI\r |
| | 932 | LibPcdCancelCallback (\r |
| | 933 | IN CONST GUID *Guid, OPTIONAL\r |
| | 934 | IN UINTN TokenNumber,\r |
| | 935 | IN PCD_CALLBACK NotificationFunction\r |
| | 936 | )\r |
| | 937 | {\r |
| | 938 | EFI_STATUS Status;\r |
| | 939 | PCD_PPI * PcdPpi;\r |
| | 940 | \r |
| | 941 | PcdPpi = GetPcdPpiPtr ();\r |
| | 942 | \r |
| | 943 | \r |
| | 944 | Status = PcdPpi->CancelCallback (Guid, TokenNumber, NotificationFunction);\r |
| | 945 | \r |
| | 946 | ASSERT_EFI_ERROR (Status);\r |
| | 947 | \r |
| | 948 | return;\r |
| | 949 | }\r |
| | 950 | \r |
| | 951 | \r |
| | 952 | \r |
| | 953 | /**\r |
| | 954 | Retrieves the next PCD token number from the token space specified by Guid. \r |
| | 955 | If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r |
| | 956 | then the first token number is returned. Otherwise, the token number that \r |
| | 957 | follows TokenNumber in the token space is returned. If TokenNumber is the last \r |
| | 958 | token number in the token space, then 0 is returned. If TokenNumber is not 0 and \r |
| | 959 | is not in the token space specified by Guid, then ASSERT().\r |
| | 960 | \r |
| | 961 | @param[in] Pointer to a 128-bit unique value that designates which namespace \r |
| | 962 | to set a value from. If NULL, then the default token space is used.\r |
| | 963 | @param[in] The previous PCD token number. If 0, then retrieves the first PCD \r |
| | 964 | token number.\r |
| | 965 | \r |
| | 966 | @retval UINTN The next valid token number.\r |
| | 967 | \r |
| | 968 | **/\r |
| | 969 | UINTN \r |
| | 970 | EFIAPI\r |
| | 971 | LibPcdGetNextToken (\r |
| | 972 | IN CONST GUID *Guid, OPTIONAL\r |
| | 973 | IN UINTN TokenNumber\r |
| | 974 | )\r |
| | 975 | {\r |
| | 976 | EFI_STATUS Status;\r |
| | 977 | PCD_PPI * PcdPpi;\r |
| | 978 | \r |
| | 979 | PcdPpi = GetPcdPpiPtr ();\r |
| | 980 | \r |
| | 981 | \r |
| | 982 | Status = PcdPpi->GetNextToken (Guid, &TokenNumber);\r |
| | 983 | \r |
| | 984 | ASSERT_EFI_ERROR (Status);\r |
| | 985 | \r |
| | 986 | return TokenNumber;\r |
| | 987 | }\r |
| | 988 | \r |
| | 989 | \r |
| | 990 | /**\r |
| | 991 | Retrieves the next PCD token space from a token space specified by Guid.\r |
| | 992 | Guid of NULL is reserved to mark the default local token namespace on the current\r |
| | 993 | platform. If Guid is NULL, then the GUID of the first non-local token space of the \r |
| | 994 | current platform is returned. If Guid is the last non-local token space, \r |
| | 995 | then NULL is returned. \r |
| | 996 | \r |
| | 997 | If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r |
| | 998 | \r |
| | 999 | \r |
| | 1000 | \r |
| | 1001 | @param[in] Pointer to a 128-bit unique value that designates from which namespace \r |
| | 1002 | to start the search.\r |
| | 1003 | \r |
| | 1004 | @retval CONST GUID * The next valid token namespace.\r |
| | 1005 | \r |
| | 1006 | **/\r |
| | 1007 | GUID * \r |
| | 1008 | EFIAPI\r |
| | 1009 | LibPcdGetNextTokenSpace (\r |
| | 1010 | IN CONST GUID *Guid\r |
| | 1011 | )\r |
| | 1012 | {\r |
| | 1013 | EFI_STATUS Status;\r |
| | 1014 | PCD_PPI * PcdPpi;\r |
| | 1015 | \r |
| | 1016 | PcdPpi = GetPcdPpiPtr ();\r |
| | 1017 | \r |
| | 1018 | \r |
| | 1019 | Status = PcdPpi->GetNextTokenSpace (&Guid);\r |
| | 1020 | \r |
| | 1021 | ASSERT_EFI_ERROR (Status);\r |
| | 1022 | \r |
| | 1023 | return (GUID *)Guid;\r |
| | 1024 | }\r |
| | 1025 | \r |
| | 1026 | \r |
| | 1027 | \r |
| | 1028 | /**\r |
| | 1029 | Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r |
| | 1030 | and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r |
| | 1031 | MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return \r |
| | 1032 | NULL to indicate that the set operation was not actually performed. \r |
| | 1033 | If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to \r |
| | 1034 | MaximumDatumSize and NULL must be returned.\r |
| | 1035 | \r |
| | 1036 | If PatchVariable is NULL, then ASSERT().\r |
| | 1037 | If SizeOfValue is NULL, then ASSERT().\r |
| | 1038 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| | 1039 | \r |
| | 1040 | @param[in] PatchVariable A pointer to the global variable in a module that is \r |
| | 1041 | the target of the set operation.\r |
| | 1042 | @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.\r |
| | 1043 | @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.\r |
| | 1044 | @param[in] Buffer A pointer to the buffer to used to set the target variable.\r |
| | 1045 | \r |
| | 1046 | **/\r |
| | 1047 | VOID *\r |
| | 1048 | EFIAPI\r |
| | 1049 | LibPatchPcdSetPtr (\r |
| | 1050 | IN VOID *PatchVariable,\r |
| | 1051 | IN UINTN MaximumDatumSize,\r |
| | 1052 | IN OUT UINTN *SizeOfBuffer,\r |
| | 1053 | IN CONST VOID *Buffer\r |
| | 1054 | )\r |
| | 1055 | {\r |
| | 1056 | ASSERT (PatchVariable != NULL);\r |
| | 1057 | ASSERT (SizeOfBuffer != NULL);\r |
| | 1058 | \r |
| | 1059 | if (*SizeOfBuffer > 0) {\r |
| | 1060 | ASSERT (Buffer != NULL);\r |
| | 1061 | }\r |
| | 1062 | \r |
| | 1063 | if ((*SizeOfBuffer > MaximumDatumSize) ||\r |
| | 1064 | (*SizeOfBuffer == MAX_ADDRESS)) {\r |
| | 1065 | *SizeOfBuffer = MaximumDatumSize;\r |
| | 1066 | return NULL;\r |
| | 1067 | }\r |
| | 1068 | \r |
| | 1069 | CopyMem (PatchVariable, Buffer, *SizeOfBuffer);\r |
| | 1070 | \r |
| | 1071 | return (VOID *) Buffer;\r |
| | 1072 | }\r |
| | 1073 | \r |
| | 1074 | \r |
projects / mirror_edk2.git / blame_incremental