| baad9ba2 |
1 | /** @file\r |
| 2 | A emptry template implementation of PCD Library.\r |
| 3 | \r |
| 4 | Copyright (c) 2006, Intel Corporation\r |
| 5 | All rights reserved. This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | which accompanies this distribution. The full text of the license may be found at\r |
| 8 | http://opensource.org/licenses/bsd-license.php\r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 12 | \r |
| 13 | Module Name: PcdLib.c\r |
| 14 | \r |
| 15 | **/\r |
| 16 | #include <PiDxe.h>\r |
| cba9012a |
17 | #include <Library/DebugLib.h>\r |
| 18 | #include <Library/PcdLib.h>\r |
| 19 | #include <Library/BaseMemoryLib.h>\r |
| baad9ba2 |
20 | \r |
| 21 | \r |
| 22 | /**\r |
| 23 | Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r |
| 24 | \r |
| 25 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r |
| 26 | set values associated with a PCD token.\r |
| 27 | \r |
| 28 | @retval SKU_ID Return the SKU ID that just be set.\r |
| 29 | \r |
| 30 | **/\r |
| 31 | UINTN \r |
| 32 | EFIAPI\r |
| 33 | LibPcdSetSku (\r |
| 34 | IN UINTN SkuId\r |
| 35 | )\r |
| 36 | {\r |
| 37 | ASSERT (SkuId < 0x100);\r |
| 38 | \r |
| 39 | return SkuId;\r |
| 40 | }\r |
| 41 | \r |
| 42 | \r |
| 43 | \r |
| 44 | /**\r |
| 45 | Returns the 8-bit value for the token specified by TokenNumber. \r |
| 46 | \r |
| 47 | @param[in] The PCD token number to retrieve a current value for.\r |
| 48 | \r |
| 49 | @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber. \r |
| 50 | \r |
| 51 | **/\r |
| 52 | UINT8\r |
| 53 | EFIAPI\r |
| 54 | LibPcdGet8 (\r |
| 55 | IN UINTN TokenNumber\r |
| 56 | )\r |
| 57 | {\r |
| 58 | return 0;\r |
| 59 | }\r |
| 60 | \r |
| 61 | \r |
| 62 | \r |
| 63 | /**\r |
| 64 | Returns the 16-bit value for the token specified by TokenNumber. \r |
| 65 | \r |
| 66 | @param[in] The PCD token number to retrieve a current value for.\r |
| 67 | \r |
| 68 | @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber. \r |
| 69 | \r |
| 70 | **/\r |
| 71 | UINT16\r |
| 72 | EFIAPI\r |
| 73 | LibPcdGet16 (\r |
| 74 | IN UINTN TokenNumber\r |
| 75 | )\r |
| 76 | {\r |
| 77 | return 0;\r |
| 78 | }\r |
| 79 | \r |
| 80 | \r |
| 81 | \r |
| 82 | /**\r |
| 83 | Returns the 32-bit value for the token specified by TokenNumber. \r |
| 84 | \r |
| 85 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 86 | \r |
| 87 | @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.\r |
| 88 | \r |
| 89 | **/\r |
| 90 | UINT32\r |
| 91 | EFIAPI\r |
| 92 | LibPcdGet32 (\r |
| 93 | IN UINTN TokenNumber\r |
| 94 | )\r |
| 95 | {\r |
| 96 | return 0;\r |
| 97 | }\r |
| 98 | \r |
| 99 | \r |
| 100 | \r |
| 101 | /**\r |
| 102 | Returns the 64-bit value for the token specified by TokenNumber.\r |
| 103 | \r |
| 104 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 105 | \r |
| 106 | @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.\r |
| 107 | \r |
| 108 | **/\r |
| 109 | UINT64\r |
| 110 | EFIAPI\r |
| 111 | LibPcdGet64 (\r |
| 112 | IN UINTN TokenNumber\r |
| 113 | )\r |
| 114 | {\r |
| 115 | return 0;\r |
| 116 | }\r |
| 117 | \r |
| 118 | \r |
| 119 | \r |
| 120 | /**\r |
| 121 | Returns the pointer to the buffer of the token specified by TokenNumber.\r |
| 122 | \r |
| 123 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 124 | \r |
| 125 | @retval VOID* Returns the pointer to the token specified by TokenNumber.\r |
| 126 | \r |
| 127 | **/\r |
| 128 | VOID *\r |
| 129 | EFIAPI\r |
| 130 | LibPcdGetPtr (\r |
| 131 | IN UINTN TokenNumber\r |
| 132 | )\r |
| 133 | {\r |
| 134 | return 0;\r |
| 135 | }\r |
| 136 | \r |
| 137 | \r |
| 138 | \r |
| 139 | /**\r |
| 140 | Returns the Boolean value of the token specified by TokenNumber. \r |
| 141 | \r |
| 142 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 143 | \r |
| 144 | @retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber. \r |
| 145 | \r |
| 146 | **/\r |
| 147 | BOOLEAN \r |
| 148 | EFIAPI\r |
| 149 | LibPcdGetBool (\r |
| 150 | IN UINTN TokenNumber\r |
| 151 | )\r |
| 152 | {\r |
| 153 | return 0;\r |
| 154 | }\r |
| 155 | \r |
| 156 | \r |
| 157 | \r |
| 158 | /**\r |
| 159 | Returns the size of the token specified by TokenNumber. \r |
| 160 | \r |
| 161 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 162 | \r |
| 163 | @retval UINTN Returns the size of the token specified by TokenNumber. \r |
| 164 | \r |
| 165 | **/\r |
| 166 | UINTN\r |
| 167 | EFIAPI\r |
| 168 | LibPcdGetSize (\r |
| 169 | IN UINTN TokenNumber\r |
| 170 | )\r |
| 171 | {\r |
| 172 | return 0;\r |
| 173 | }\r |
| 174 | \r |
| 175 | \r |
| 176 | \r |
| 177 | /**\r |
| 178 | Returns the 8-bit value for the token specified by TokenNumber and Guid.\r |
| 179 | If Guid is NULL, then ASSERT(). \r |
| 180 | \r |
| 181 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 182 | which namespace to retrieve a value from.\r |
| 183 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 184 | \r |
| 185 | @retval UINT8 Return the UINT8.\r |
| 186 | \r |
| 187 | **/\r |
| 188 | UINT8\r |
| 189 | EFIAPI\r |
| 190 | LibPcdGetEx8 (\r |
| 191 | IN CONST GUID *Guid,\r |
| 192 | IN UINTN TokenNumber\r |
| 193 | )\r |
| 194 | {\r |
| 195 | ASSERT (Guid != NULL);\r |
| 196 | \r |
| 197 | return 0;\r |
| 198 | }\r |
| 199 | \r |
| 200 | \r |
| 201 | \r |
| 202 | /**\r |
| 203 | Returns the 16-bit value for the token specified by TokenNumber and Guid.\r |
| 204 | If Guid is NULL, then ASSERT(). \r |
| 205 | \r |
| 206 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 207 | which namespace to retrieve a value from.\r |
| 208 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 209 | \r |
| 210 | @retval UINT16 Return the UINT16.\r |
| 211 | \r |
| 212 | **/\r |
| 213 | UINT16\r |
| 214 | EFIAPI\r |
| 215 | LibPcdGetEx16 (\r |
| 216 | IN CONST GUID *Guid,\r |
| 217 | IN UINTN TokenNumber\r |
| 218 | )\r |
| 219 | {\r |
| 220 | ASSERT (Guid != NULL);\r |
| 221 | \r |
| 222 | return 0;\r |
| 223 | }\r |
| 224 | \r |
| 225 | \r |
| 226 | \r |
| 227 | /**\r |
| 228 | Returns the 32-bit value for the token specified by TokenNumber and Guid.\r |
| 229 | If Guid is NULL, then ASSERT(). \r |
| 230 | \r |
| 231 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 232 | which namespace to retrieve a value from.\r |
| 233 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 234 | \r |
| 235 | @retval UINT32 Return the UINT32.\r |
| 236 | \r |
| 237 | **/\r |
| 238 | UINT32\r |
| 239 | EFIAPI\r |
| 240 | LibPcdGetEx32 (\r |
| 241 | IN CONST GUID *Guid,\r |
| 242 | IN UINTN TokenNumber\r |
| 243 | )\r |
| 244 | {\r |
| 245 | ASSERT (Guid != NULL);\r |
| 246 | \r |
| 247 | return 0;\r |
| 248 | }\r |
| 249 | \r |
| 250 | \r |
| 251 | \r |
| 252 | /**\r |
| 253 | Returns the 64-bit value for the token specified by TokenNumber and Guid.\r |
| 254 | If Guid is NULL, then ASSERT(). \r |
| 255 | \r |
| 256 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 257 | which namespace to retrieve a value from.\r |
| 258 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 259 | \r |
| 260 | @retval UINT64 Return the UINT64.\r |
| 261 | \r |
| 262 | **/\r |
| 263 | UINT64\r |
| 264 | EFIAPI\r |
| 265 | LibPcdGetEx64 (\r |
| 266 | IN CONST GUID *Guid,\r |
| 267 | IN UINTN TokenNumber\r |
| 268 | )\r |
| 269 | {\r |
| 270 | ASSERT (Guid != NULL);\r |
| 271 | \r |
| 272 | return 0;\r |
| 273 | }\r |
| 274 | \r |
| 275 | \r |
| 276 | \r |
| 277 | /**\r |
| 278 | Returns the pointer to the buffer of the token specified by TokenNumber and Guid.\r |
| 279 | If Guid is NULL, then ASSERT(). \r |
| 280 | \r |
| 281 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 282 | which namespace to retrieve a value from.\r |
| 283 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 284 | \r |
| 285 | @retval VOID* Return the VOID* pointer.\r |
| 286 | \r |
| 287 | **/\r |
| 288 | VOID *\r |
| 289 | EFIAPI\r |
| 290 | LibPcdGetExPtr (\r |
| 291 | IN CONST GUID *Guid,\r |
| 292 | IN UINTN TokenNumber\r |
| 293 | )\r |
| 294 | {\r |
| 295 | ASSERT (Guid != NULL);\r |
| 296 | \r |
| 297 | return 0;\r |
| 298 | }\r |
| 299 | \r |
| 300 | \r |
| 301 | \r |
| 302 | /**\r |
| 303 | Returns the Boolean value of the token specified by TokenNumber and Guid. \r |
| 304 | If Guid is NULL, then ASSERT(). \r |
| 305 | \r |
| 306 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 307 | which namespace to retrieve a value from.\r |
| 308 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 309 | \r |
| 310 | @retval BOOLEAN Return the BOOLEAN.\r |
| 311 | \r |
| 312 | **/\r |
| 313 | BOOLEAN\r |
| 314 | EFIAPI\r |
| 315 | LibPcdGetExBool (\r |
| 316 | IN CONST GUID *Guid,\r |
| 317 | IN UINTN TokenNumber\r |
| 318 | )\r |
| 319 | {\r |
| 320 | ASSERT (Guid != NULL);\r |
| 321 | \r |
| 322 | return 0;\r |
| 323 | }\r |
| 324 | \r |
| 325 | \r |
| 326 | \r |
| 327 | /**\r |
| 328 | Returns the size of the token specified by TokenNumber and Guid. \r |
| 329 | If Guid is NULL, then ASSERT(). \r |
| 330 | \r |
| 331 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 332 | which namespace to retrieve a value from.\r |
| 333 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 334 | \r |
| 335 | @retval UINTN Return the size.\r |
| 336 | \r |
| 337 | **/\r |
| 338 | UINTN\r |
| 339 | EFIAPI\r |
| 340 | LibPcdGetExSize (\r |
| 341 | IN CONST GUID *Guid,\r |
| 342 | IN UINTN TokenNumber\r |
| 343 | )\r |
| 344 | {\r |
| 345 | ASSERT (Guid != NULL);\r |
| 346 | \r |
| 347 | return 0;\r |
| 348 | }\r |
| 349 | \r |
| 350 | \r |
| 351 | \r |
| 352 | /**\r |
| 353 | Sets the 8-bit value for the token specified by TokenNumber \r |
| 354 | to the value specified by Value. Value is returned.\r |
| 355 | \r |
| 356 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 357 | @param[in] Value The 8-bit value to set.\r |
| 358 | \r |
| 359 | @retval UINT8 Return the value been set.\r |
| 360 | \r |
| 361 | **/\r |
| 362 | UINT8\r |
| 363 | EFIAPI\r |
| 364 | LibPcdSet8 (\r |
| 365 | IN UINTN TokenNumber,\r |
| 366 | IN UINT8 Value\r |
| 367 | )\r |
| 368 | {\r |
| 369 | return Value;\r |
| 370 | }\r |
| 371 | \r |
| 372 | \r |
| 373 | \r |
| 374 | /**\r |
| 375 | Sets the 16-bit value for the token specified by TokenNumber \r |
| 376 | to the value specified by Value. Value is returned.\r |
| 377 | \r |
| 378 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 379 | @param[in] Value The 16-bit value to set.\r |
| 380 | \r |
| 381 | @retval UINT16 Return the value been set.\r |
| 382 | \r |
| 383 | **/\r |
| 384 | UINT16\r |
| 385 | EFIAPI\r |
| 386 | LibPcdSet16 (\r |
| 387 | IN UINTN TokenNumber,\r |
| 388 | IN UINT16 Value\r |
| 389 | )\r |
| 390 | {\r |
| 391 | return Value;\r |
| 392 | }\r |
| 393 | \r |
| 394 | \r |
| 395 | \r |
| 396 | /**\r |
| 397 | Sets the 32-bit value for the token specified by TokenNumber \r |
| 398 | to the value specified by Value. Value is returned.\r |
| 399 | \r |
| 400 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 401 | @param[in] Value The 32-bit value to set.\r |
| 402 | \r |
| 403 | @retval UINT32 Return the value been set.\r |
| 404 | \r |
| 405 | **/\r |
| 406 | UINT32\r |
| 407 | EFIAPI\r |
| 408 | LibPcdSet32 (\r |
| 409 | IN UINTN TokenNumber,\r |
| 410 | IN UINT32 Value\r |
| 411 | )\r |
| 412 | {\r |
| 413 | return Value;\r |
| 414 | }\r |
| 415 | \r |
| 416 | \r |
| 417 | \r |
| 418 | /**\r |
| 419 | Sets the 64-bit value for the token specified by TokenNumber \r |
| 420 | to the value specified by Value. Value is returned.\r |
| 421 | \r |
| 422 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 423 | @param[in] Value The 64-bit value to set.\r |
| 424 | \r |
| 425 | @retval UINT64 Return the value been set.\r |
| 426 | \r |
| 427 | **/\r |
| 428 | UINT64\r |
| 429 | EFIAPI\r |
| 430 | LibPcdSet64 (\r |
| 431 | IN UINTN TokenNumber,\r |
| 432 | IN UINT64 Value\r |
| 433 | )\r |
| 434 | {\r |
| 435 | return Value;\r |
| 436 | }\r |
| 437 | \r |
| 438 | \r |
| 439 | \r |
| 440 | /**\r |
| 441 | Sets a buffer for the token specified by TokenNumber to \r |
| 442 | the value specified by Buffer and SizeOfValue. Buffer to\r |
| 443 | be set is returned. The content of the buffer could be \r |
| 444 | overwritten if a Callback on SET is registered with this\r |
| 445 | TokenNumber.\r |
| 446 | \r |
| 447 | If SizeOfValue is greater than the maximum \r |
| 448 | size support by TokenNumber, then set SizeOfValue to the \r |
| 449 | maximum size supported by TokenNumber and return NULL to \r |
| 450 | indicate that the set operation was not actually performed. \r |
| 451 | \r |
| 452 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| 453 | \r |
| 454 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 455 | @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| 456 | @param[in] Value A pointer to the buffer to set.\r |
| 457 | \r |
| 458 | @retval VOID* Return the pointer for the buffer been set.\r |
| 459 | \r |
| 460 | **/\r |
| 461 | VOID *\r |
| 462 | EFIAPI\r |
| 463 | LibPcdSetPtr (\r |
| 464 | IN UINTN TokenNumber,\r |
| 465 | IN OUT UINTN *SizeOfBuffer,\r |
| 466 | IN VOID *Buffer\r |
| 467 | )\r |
| 468 | {\r |
| 469 | ASSERT (SizeOfBuffer != NULL);\r |
| 470 | \r |
| 471 | if (*SizeOfBuffer > 0) {\r |
| 472 | ASSERT (Buffer != NULL);\r |
| 473 | }\r |
| 474 | \r |
| 475 | return Buffer;\r |
| 476 | }\r |
| 477 | \r |
| 478 | \r |
| 479 | \r |
| 480 | /**\r |
| 481 | Sets the Boolean value for the token specified by TokenNumber \r |
| 482 | to the value specified by Value. Value is returned.\r |
| 483 | \r |
| 484 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 485 | @param[in] Value The boolean value to set.\r |
| 486 | \r |
| 487 | @retval BOOLEAN Return the value been set.\r |
| 488 | \r |
| 489 | **/\r |
| 490 | BOOLEAN\r |
| 491 | EFIAPI\r |
| 492 | LibPcdSetBool (\r |
| 493 | IN UINTN TokenNumber,\r |
| 494 | IN BOOLEAN Value\r |
| 495 | )\r |
| 496 | {\r |
| 497 | return Value;\r |
| 498 | }\r |
| 499 | \r |
| 500 | \r |
| 501 | \r |
| 502 | /**\r |
| 503 | Sets the 8-bit value for the token specified by TokenNumber and \r |
| 504 | Guid to the value specified by Value. Value is returned.\r |
| 505 | If Guid is NULL, then ASSERT().\r |
| 506 | \r |
| 507 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 508 | designates which namespace to set a value from.\r |
| 509 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 510 | @param[in] Value The 8-bit value to set.\r |
| 511 | \r |
| 512 | @retval UINT8 Return the value been set.\r |
| 513 | \r |
| 514 | **/\r |
| 515 | UINT8\r |
| 516 | EFIAPI\r |
| 517 | LibPcdSetEx8 (\r |
| 518 | IN CONST GUID *Guid,\r |
| 519 | IN UINTN TokenNumber,\r |
| 520 | IN UINT8 Value\r |
| 521 | )\r |
| 522 | {\r |
| 523 | ASSERT (Guid != NULL);\r |
| 524 | \r |
| 525 | return Value;\r |
| 526 | }\r |
| 527 | \r |
| 528 | \r |
| 529 | \r |
| 530 | /**\r |
| 531 | Sets the 16-bit value for the token specified by TokenNumber and \r |
| 532 | Guid to the value specified by Value. Value is returned.\r |
| 533 | If Guid is NULL, then ASSERT().\r |
| 534 | \r |
| 535 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 536 | designates which namespace to set a value from.\r |
| 537 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 538 | @param[in] Value The 16-bit value to set.\r |
| 539 | \r |
| 540 | @retval UINT8 Return the value been set.\r |
| 541 | \r |
| 542 | **/\r |
| 543 | UINT16\r |
| 544 | EFIAPI\r |
| 545 | LibPcdSetEx16 (\r |
| 546 | IN CONST GUID *Guid,\r |
| 547 | IN UINTN TokenNumber,\r |
| 548 | IN UINT16 Value\r |
| 549 | )\r |
| 550 | {\r |
| 551 | ASSERT (Guid != NULL);\r |
| 552 | \r |
| 553 | return Value;\r |
| 554 | }\r |
| 555 | \r |
| 556 | \r |
| 557 | \r |
| 558 | /**\r |
| 559 | Sets the 32-bit value for the token specified by TokenNumber and \r |
| 560 | Guid to the value specified by Value. Value is returned.\r |
| 561 | If Guid is NULL, then ASSERT().\r |
| 562 | \r |
| 563 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 564 | designates which namespace to set a value from.\r |
| 565 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 566 | @param[in] Value The 32-bit value to set.\r |
| 567 | \r |
| 568 | @retval UINT32 Return the value been set.\r |
| 569 | \r |
| 570 | **/\r |
| 571 | UINT32\r |
| 572 | EFIAPI\r |
| 573 | LibPcdSetEx32 (\r |
| 574 | IN CONST GUID *Guid,\r |
| 575 | IN UINTN TokenNumber,\r |
| 576 | IN UINT32 Value\r |
| 577 | )\r |
| 578 | {\r |
| 579 | ASSERT (Guid != NULL);\r |
| 580 | \r |
| 581 | return Value;\r |
| 582 | }\r |
| 583 | \r |
| 584 | \r |
| 585 | \r |
| 586 | /**\r |
| 587 | Sets the 64-bit value for the token specified by TokenNumber and \r |
| 588 | Guid to the value specified by Value. Value is returned.\r |
| 589 | If Guid is NULL, then ASSERT().\r |
| 590 | \r |
| 591 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 592 | designates which namespace to set a value from.\r |
| 593 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 594 | @param[in] Value The 64-bit value to set.\r |
| 595 | \r |
| 596 | @retval UINT64 Return the value been set.\r |
| 597 | \r |
| 598 | **/\r |
| 599 | UINT64\r |
| 600 | EFIAPI\r |
| 601 | LibPcdSetEx64 (\r |
| 602 | IN CONST GUID *Guid,\r |
| 603 | IN UINTN TokenNumber,\r |
| 604 | IN UINT64 Value\r |
| 605 | )\r |
| 606 | {\r |
| 607 | ASSERT (Guid != NULL);\r |
| 608 | \r |
| 609 | return Value;\r |
| 610 | }\r |
| 611 | \r |
| 612 | \r |
| 613 | \r |
| 614 | /**\r |
| 615 | Sets a buffer for the token specified by TokenNumber to the value specified by \r |
| 616 | Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r |
| 617 | the maximum size support by TokenNumber, then set SizeOfValue to the maximum size \r |
| 618 | supported by TokenNumber and return NULL to indicate that the set operation \r |
| 619 | was not actually performed. \r |
| 620 | \r |
| 621 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| 622 | \r |
| 623 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 624 | designates which namespace to set a value from.\r |
| 625 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 626 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| 627 | @param[in] Buffer A pointer to the buffer to set.\r |
| 628 | \r |
| 629 | @retval VOID * Return the pinter to the buffer been set.\r |
| 630 | \r |
| 631 | **/\r |
| 632 | VOID *\r |
| 633 | EFIAPI\r |
| 634 | LibPcdSetExPtr (\r |
| 635 | IN CONST GUID *Guid,\r |
| 636 | IN UINTN TokenNumber,\r |
| 637 | IN OUT UINTN *SizeOfBuffer,\r |
| 638 | IN VOID *Buffer\r |
| 639 | )\r |
| 640 | {\r |
| 641 | ASSERT (Guid != NULL);\r |
| 642 | \r |
| 643 | ASSERT (SizeOfBuffer != NULL);\r |
| 644 | \r |
| 645 | if (*SizeOfBuffer > 0) {\r |
| 646 | ASSERT (Buffer != NULL);\r |
| 647 | }\r |
| 648 | \r |
| 649 | return Buffer;\r |
| 650 | }\r |
| 651 | \r |
| 652 | \r |
| 653 | \r |
| 654 | /**\r |
| 655 | Sets the Boolean value for the token specified by TokenNumber and \r |
| 656 | Guid to the value specified by Value. Value is returned.\r |
| 657 | If Guid is NULL, then ASSERT().\r |
| 658 | \r |
| 659 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 660 | designates which namespace to set a value from.\r |
| 661 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 662 | @param[in] Value The Boolean value to set.\r |
| 663 | \r |
| 664 | @retval Boolean Return the value been set.\r |
| 665 | \r |
| 666 | **/\r |
| 667 | BOOLEAN\r |
| 668 | EFIAPI\r |
| 669 | LibPcdSetExBool (\r |
| 670 | IN CONST GUID *Guid,\r |
| 671 | IN UINTN TokenNumber,\r |
| 672 | IN BOOLEAN Value\r |
| 673 | )\r |
| 674 | {\r |
| 675 | ASSERT (Guid != NULL);\r |
| 676 | \r |
| 677 | return Value;\r |
| 678 | }\r |
| 679 | \r |
| 680 | \r |
| 681 | \r |
| 682 | /**\r |
| 683 | When the token specified by TokenNumber and Guid is set, \r |
| 684 | then notification function specified by NotificationFunction is called. \r |
| 685 | If Guid is NULL, then the default token space is used. \r |
| 686 | If NotificationFunction is NULL, then ASSERT().\r |
| 687 | \r |
| 688 | @param[in] Guid Pointer to a 128-bit unique value that designates which \r |
| 689 | namespace to set a value from. If NULL, then the default \r |
| 690 | token space is used.\r |
| 691 | @param[in] TokenNumber The PCD token number to monitor.\r |
| 692 | @param[in] NotificationFunction The function to call when the token \r |
| 693 | specified by Guid and TokenNumber is set.\r |
| 694 | \r |
| 695 | @retval VOID\r |
| 696 | \r |
| 697 | **/\r |
| 698 | VOID\r |
| 699 | EFIAPI\r |
| 700 | LibPcdCallbackOnSet (\r |
| 701 | IN CONST GUID *Guid, OPTIONAL\r |
| 702 | IN UINTN TokenNumber,\r |
| 703 | IN PCD_CALLBACK NotificationFunction\r |
| 704 | )\r |
| 705 | {\r |
| 706 | ASSERT (NotificationFunction != NULL);\r |
| 707 | }\r |
| 708 | \r |
| 709 | \r |
| 710 | \r |
| 711 | /**\r |
| 712 | Disable a notification function that was established with LibPcdCallbackonSet().\r |
| 713 | If NotificationFunction is NULL, then ASSERT().\r |
| 714 | \r |
| 715 | @param[in] Guid Specify the GUID token space.\r |
| 716 | @param[in] TokenNumber Specify the token number.\r |
| 717 | @param[in] NotificationFunction The callback function to be unregistered.\r |
| 718 | \r |
| 719 | @retval VOID\r |
| 720 | \r |
| 721 | **/\r |
| 722 | VOID\r |
| 723 | EFIAPI\r |
| 724 | LibPcdCancelCallback (\r |
| 725 | IN CONST GUID *Guid, OPTIONAL\r |
| 726 | IN UINTN TokenNumber,\r |
| 727 | IN PCD_CALLBACK NotificationFunction\r |
| 728 | )\r |
| 729 | {\r |
| 730 | ASSERT (NotificationFunction != NULL);\r |
| 731 | }\r |
| 732 | \r |
| 733 | \r |
| 734 | \r |
| 735 | /**\r |
| 736 | Retrieves the next PCD token number from the token space specified by Guid. \r |
| 737 | If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r |
| 738 | then the first token number is returned. Otherwise, the token number that \r |
| 739 | follows TokenNumber in the token space is returned. If TokenNumber is the last \r |
| 740 | token number in the token space, then 0 is returned. If TokenNumber is not 0 and \r |
| 741 | is not in the token space specified by Guid, then ASSERT().\r |
| 742 | \r |
| 743 | @param[in] Pointer to a 128-bit unique value that designates which namespace \r |
| 744 | to set a value from. If NULL, then the default token space is used.\r |
| 745 | @param[in] The previous PCD token number. If 0, then retrieves the first PCD \r |
| 746 | token number.\r |
| 747 | \r |
| 748 | @retval UINTN The next valid token number.\r |
| 749 | \r |
| 750 | **/\r |
| 751 | UINTN \r |
| 752 | EFIAPI\r |
| 753 | LibPcdGetNextToken (\r |
| 754 | IN CONST GUID *Guid, OPTIONAL\r |
| 755 | IN UINTN TokenNumber\r |
| 756 | )\r |
| 757 | {\r |
| 758 | return 0;\r |
| 759 | }\r |
| 760 | \r |
| 761 | \r |
| 762 | \r |
| 763 | /**\r |
| 764 | Retrieves the next PCD token space from a token space specified by Guid.\r |
| 765 | Guid of NULL is reserved to mark the default local token namespace on the current\r |
| 766 | platform. If Guid is NULL, then the GUID of the first non-local token space of the \r |
| 767 | current platform is returned. If Guid is the last non-local token space, \r |
| 768 | then NULL is returned. \r |
| 769 | \r |
| 770 | If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r |
| 771 | \r |
| 772 | \r |
| 773 | \r |
| 774 | @param[in] Pointer to a 128-bit unique value that designates from which namespace \r |
| 775 | to start the search.\r |
| 776 | \r |
| 777 | @retval CONST GUID * The next valid token namespace.\r |
| 778 | \r |
| 779 | **/\r |
| 780 | GUID * \r |
| 781 | EFIAPI\r |
| 782 | LibPcdGetNextTokenSpace (\r |
| 783 | IN CONST GUID *Guid\r |
| 784 | )\r |
| 785 | {\r |
| 786 | return NULL;\r |
| 787 | }\r |
| 788 | \r |
| 789 | \r |
| 790 | \r |
| 791 | /**\r |
| 792 | Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r |
| 793 | and SizeOfValue. Buffer is returned. If SizeOfValue is greater than \r |
| 794 | MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return \r |
| 795 | NULL to indicate that the set operation was not actually performed. \r |
| 796 | If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to \r |
| 797 | MaximumDatumSize and NULL must be returned.\r |
| 798 | \r |
| 799 | If PatchVariable is NULL, then ASSERT().\r |
| 800 | If SizeOfValue is NULL, then ASSERT().\r |
| 801 | If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r |
| 802 | \r |
| 803 | @param[in] PatchVariable A pointer to the global variable in a module that is \r |
| 804 | the target of the set operation.\r |
| 805 | @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.\r |
| 806 | @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.\r |
| 807 | @param[in] Buffer A pointer to the buffer to used to set the target variable.\r |
| 808 | \r |
| 809 | **/\r |
| 810 | VOID *\r |
| 811 | EFIAPI\r |
| 812 | LibPatchPcdSetPtr (\r |
| 813 | IN VOID *PatchVariable,\r |
| 814 | IN UINTN MaximumDatumSize,\r |
| 815 | IN OUT UINTN *SizeOfBuffer,\r |
| 816 | IN CONST VOID *Buffer\r |
| 817 | )\r |
| 818 | {\r |
| 819 | ASSERT (PatchVariable != NULL);\r |
| 820 | ASSERT (SizeOfBuffer != NULL);\r |
| 821 | \r |
| 822 | if (*SizeOfBuffer > 0) {\r |
| 823 | ASSERT (Buffer != NULL);\r |
| 824 | }\r |
| 825 | \r |
| 826 | if ((*SizeOfBuffer > MaximumDatumSize) ||\r |
| 827 | (*SizeOfBuffer == MAX_ADDRESS)) {\r |
| 828 | *SizeOfBuffer = MaximumDatumSize;\r |
| 829 | return NULL;\r |
| 830 | }\r |
| 831 | \r |
| 832 | CopyMem (PatchVariable, Buffer, *SizeOfBuffer);\r |
| 833 | \r |
| 834 | return (VOID *) Buffer;\r |
| 835 | }\r |
| 836 | \r |
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