| 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 |
| a72bd1ec |
30 | Retrieve the PCD_PPI pointer.\r |
| e386b444 |
31 | \r |
| a72bd1ec |
32 | This function is to locate PCD_PPI PPI via PeiService. \r |
| 33 | If fail to locate PCD_PPI, then ASSERT_EFI_ERROR().\r |
| 34 | \r |
| e386b444 |
35 | @retval PCD_PPI * The pointer to the PCD_PPI.\r |
| 36 | \r |
| 37 | **/\r |
| e386b444 |
38 | PCD_PPI *\r |
| a72bd1ec |
39 | GetPcdPpiPointer (\r |
| e386b444 |
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 |
| e386b444 |
52 | /**\r |
| 53 | Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r |
| a72bd1ec |
54 | If SkuId not less than PCD_MAX_SKU_ID, then ASSERT().\r |
| 55 | \r |
| 56 | @param[in] System sku id. The SKU value that will be used when the PCD service will retrieve and \r |
| 57 | set values.\r |
| e386b444 |
58 | \r |
| 59 | @retval SKU_ID Return the SKU ID that just be set.\r |
| 60 | \r |
| 61 | **/\r |
| 62 | UINTN\r |
| 63 | EFIAPI\r |
| 64 | LibPcdSetSku (\r |
| 65 | IN UINTN SkuId\r |
| 66 | )\r |
| 67 | {\r |
| 68 | \r |
| a72bd1ec |
69 | ASSERT (SkuId < PCD_MAX_SKU_ID);\r |
| e386b444 |
70 | \r |
| a72bd1ec |
71 | GetPcdPpiPointer()->SetSku (SkuId);\r |
| e386b444 |
72 | \r |
| 73 | return SkuId;\r |
| 74 | }\r |
| 75 | \r |
| 76 | \r |
| 77 | \r |
| 78 | /**\r |
| 79 | Returns the 8-bit value for the token specified by TokenNumber. \r |
| 80 | \r |
| 63e4dba9 |
81 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| e386b444 |
82 | \r |
| 83 | @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber. \r |
| 84 | \r |
| 85 | **/\r |
| 86 | UINT8\r |
| 87 | EFIAPI\r |
| 88 | LibPcdGet8 (\r |
| 89 | IN UINTN TokenNumber\r |
| 90 | )\r |
| 91 | {\r |
| a72bd1ec |
92 | return (GetPcdPpiPointer ())->Get8 (TokenNumber);\r |
| e386b444 |
93 | }\r |
| 94 | \r |
| 95 | \r |
| 96 | \r |
| 97 | /**\r |
| 98 | Returns the 16-bit value for the token specified by TokenNumber. \r |
| 99 | \r |
| 63e4dba9 |
100 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| e386b444 |
101 | \r |
| 102 | @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber. \r |
| 103 | \r |
| 104 | **/\r |
| 105 | UINT16\r |
| 106 | EFIAPI\r |
| 107 | LibPcdGet16 (\r |
| 108 | IN UINTN TokenNumber\r |
| 109 | )\r |
| 110 | {\r |
| a72bd1ec |
111 | return (GetPcdPpiPointer ())->Get16 (TokenNumber);\r |
| e386b444 |
112 | }\r |
| 113 | \r |
| 114 | \r |
| 115 | \r |
| 116 | /**\r |
| 117 | Returns the 32-bit value for the token specified by TokenNumber. \r |
| 118 | \r |
| 119 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 120 | \r |
| 121 | @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.\r |
| 122 | \r |
| 123 | **/\r |
| 124 | UINT32\r |
| 125 | EFIAPI\r |
| 126 | LibPcdGet32 (\r |
| 127 | IN UINTN TokenNumber\r |
| 128 | )\r |
| 129 | {\r |
| a72bd1ec |
130 | return (GetPcdPpiPointer ())->Get32 (TokenNumber);\r |
| e386b444 |
131 | }\r |
| 132 | \r |
| 133 | \r |
| 134 | \r |
| 135 | /**\r |
| 136 | Returns the 64-bit value for the token specified by TokenNumber.\r |
| 137 | \r |
| 138 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 139 | \r |
| 140 | @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.\r |
| 141 | \r |
| 142 | **/\r |
| 143 | UINT64\r |
| 144 | EFIAPI\r |
| 145 | LibPcdGet64 (\r |
| 146 | IN UINTN TokenNumber\r |
| 147 | )\r |
| 148 | {\r |
| a72bd1ec |
149 | return (GetPcdPpiPointer ())->Get64 (TokenNumber);\r |
| e386b444 |
150 | }\r |
| 151 | \r |
| 152 | \r |
| 153 | \r |
| 154 | /**\r |
| 155 | Returns the pointer to the buffer of the token specified by TokenNumber.\r |
| 156 | \r |
| 157 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 158 | \r |
| 159 | @retval VOID* Returns the pointer to the token specified by TokenNumber.\r |
| 160 | \r |
| 161 | **/\r |
| 162 | VOID *\r |
| 163 | EFIAPI\r |
| 164 | LibPcdGetPtr (\r |
| 165 | IN UINTN TokenNumber\r |
| 166 | )\r |
| 167 | {\r |
| a72bd1ec |
168 | return (GetPcdPpiPointer ())->GetPtr (TokenNumber);\r |
| e386b444 |
169 | }\r |
| 170 | \r |
| 171 | \r |
| 172 | \r |
| 173 | /**\r |
| 174 | Returns the Boolean value 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 BOOLEAN Returns the Boolean value of the token specified by TokenNumber. \r |
| 179 | \r |
| 180 | **/\r |
| 181 | BOOLEAN \r |
| 182 | EFIAPI\r |
| 183 | LibPcdGetBool (\r |
| 184 | IN UINTN TokenNumber\r |
| 185 | )\r |
| 186 | {\r |
| a72bd1ec |
187 | return (GetPcdPpiPointer ())->GetBool (TokenNumber);\r |
| e386b444 |
188 | }\r |
| 189 | \r |
| 190 | \r |
| 191 | \r |
| 192 | /**\r |
| 193 | Returns the size of the token specified by TokenNumber. \r |
| 194 | \r |
| 195 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 196 | \r |
| 197 | @retval UINTN Returns the size of the token specified by TokenNumber. \r |
| 198 | \r |
| 199 | **/\r |
| 200 | UINTN\r |
| 201 | EFIAPI\r |
| 202 | LibPcdGetSize (\r |
| 203 | IN UINTN TokenNumber\r |
| 204 | )\r |
| 205 | {\r |
| a72bd1ec |
206 | return (GetPcdPpiPointer ())->GetSize (TokenNumber);\r |
| e386b444 |
207 | }\r |
| 208 | \r |
| 209 | \r |
| 210 | \r |
| 211 | /**\r |
| 212 | Returns the 8-bit value for the token specified by TokenNumber and Guid.\r |
| 213 | If Guid is NULL, then ASSERT(). \r |
| 214 | \r |
| 215 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 216 | which namespace to retrieve a value from.\r |
| 217 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 218 | \r |
| 219 | @retval UINT8 Return the UINT8.\r |
| 220 | \r |
| 221 | **/\r |
| 222 | UINT8\r |
| 223 | EFIAPI\r |
| 224 | LibPcdGetEx8 (\r |
| 225 | IN CONST GUID *Guid,\r |
| 226 | IN UINTN TokenNumber\r |
| 227 | )\r |
| 228 | {\r |
| e386b444 |
229 | ASSERT (Guid != NULL);\r |
| 230 | \r |
| a72bd1ec |
231 | return (GetPcdPpiPointer ())->Get8Ex (Guid, TokenNumber);\r |
| e386b444 |
232 | }\r |
| 233 | \r |
| 234 | \r |
| 235 | \r |
| 236 | /**\r |
| 237 | Returns the 16-bit value for the token specified by TokenNumber and Guid.\r |
| 238 | If Guid is NULL, then ASSERT(). \r |
| 239 | \r |
| 240 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 241 | which namespace to retrieve a value from.\r |
| 242 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 243 | \r |
| 244 | @retval UINT16 Return the UINT16.\r |
| 245 | \r |
| 246 | **/\r |
| 247 | UINT16\r |
| 248 | EFIAPI\r |
| 249 | LibPcdGetEx16 (\r |
| 250 | IN CONST GUID *Guid,\r |
| 251 | IN UINTN TokenNumber\r |
| 252 | )\r |
| 253 | {\r |
| e386b444 |
254 | \r |
| 255 | ASSERT (Guid != NULL);\r |
| 256 | \r |
| a72bd1ec |
257 | return (GetPcdPpiPointer ())->Get16Ex (Guid, TokenNumber);\r |
| e386b444 |
258 | }\r |
| 259 | \r |
| 260 | \r |
| 261 | \r |
| 262 | /**\r |
| 263 | Returns the 32-bit value for the token specified by TokenNumber and Guid.\r |
| 264 | If Guid is NULL, then ASSERT(). \r |
| 265 | \r |
| 266 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 267 | which namespace to retrieve a value from.\r |
| 268 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 269 | \r |
| 270 | @retval UINT32 Return the UINT32.\r |
| 271 | \r |
| 272 | **/\r |
| 273 | UINT32\r |
| 274 | EFIAPI\r |
| 275 | LibPcdGetEx32 (\r |
| 276 | IN CONST GUID *Guid,\r |
| 277 | IN UINTN TokenNumber\r |
| 278 | )\r |
| 279 | {\r |
| e386b444 |
280 | ASSERT (Guid != NULL);\r |
| 281 | \r |
| a72bd1ec |
282 | return (GetPcdPpiPointer ())->Get32Ex (Guid, TokenNumber);\r |
| e386b444 |
283 | }\r |
| 284 | \r |
| 285 | \r |
| 286 | \r |
| 287 | \r |
| 288 | /**\r |
| 289 | Returns the 64-bit value for the token specified by TokenNumber and Guid.\r |
| 290 | If Guid is NULL, then ASSERT(). \r |
| 291 | \r |
| 292 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 293 | which namespace to retrieve a value from.\r |
| 294 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 295 | \r |
| 296 | @retval UINT64 Return the UINT64.\r |
| 297 | \r |
| 298 | **/\r |
| 299 | UINT64\r |
| 300 | EFIAPI\r |
| 301 | LibPcdGetEx64 (\r |
| 302 | IN CONST GUID *Guid,\r |
| 303 | IN UINTN TokenNumber\r |
| 304 | )\r |
| 305 | {\r |
| e386b444 |
306 | ASSERT (Guid != NULL);\r |
| a72bd1ec |
307 | return (GetPcdPpiPointer ())->Get64Ex (Guid, TokenNumber);\r |
| e386b444 |
308 | }\r |
| 309 | \r |
| 310 | \r |
| 311 | \r |
| 312 | /**\r |
| 313 | Returns the pointer to the token specified by TokenNumber and Guid.\r |
| 314 | If Guid is NULL, then ASSERT(). \r |
| 315 | \r |
| 316 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 317 | which namespace to retrieve a value from.\r |
| 318 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 319 | \r |
| 320 | @retval VOID* Return the VOID* pointer.\r |
| 321 | \r |
| 322 | **/\r |
| 323 | VOID *\r |
| 324 | EFIAPI\r |
| 325 | LibPcdGetExPtr (\r |
| 326 | IN CONST GUID *Guid,\r |
| 327 | IN UINTN TokenNumber\r |
| 328 | )\r |
| 329 | {\r |
| e386b444 |
330 | ASSERT (Guid != NULL);\r |
| 331 | \r |
| a72bd1ec |
332 | return (GetPcdPpiPointer ())->GetPtrEx (Guid, TokenNumber);\r |
| e386b444 |
333 | }\r |
| 334 | \r |
| 335 | \r |
| 336 | \r |
| 337 | /**\r |
| 338 | Returns the Boolean value of the token specified by TokenNumber and Guid. \r |
| 339 | If Guid is NULL, then ASSERT(). \r |
| 340 | \r |
| 341 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 342 | which namespace to retrieve a value from.\r |
| 343 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 344 | \r |
| 345 | @retval BOOLEAN Return the BOOLEAN.\r |
| 346 | \r |
| 347 | **/\r |
| 348 | BOOLEAN\r |
| 349 | EFIAPI\r |
| 350 | LibPcdGetExBool (\r |
| 351 | IN CONST GUID *Guid,\r |
| 352 | IN UINTN TokenNumber\r |
| 353 | )\r |
| 354 | {\r |
| e386b444 |
355 | ASSERT (Guid != NULL);\r |
| a72bd1ec |
356 | return (GetPcdPpiPointer ())->GetBoolEx (Guid, TokenNumber);\r |
| e386b444 |
357 | }\r |
| 358 | \r |
| 359 | \r |
| 360 | \r |
| 361 | /**\r |
| 362 | Returns the size of the token specified by TokenNumber and Guid. \r |
| 363 | If Guid is NULL, then ASSERT(). \r |
| 364 | \r |
| 365 | @param[in] Guid Pointer to a 128-bit unique value that designates \r |
| 366 | which namespace to retrieve a value from.\r |
| 367 | @param[in] TokenNumber The PCD token number to retrieve a current value for.\r |
| 368 | \r |
| 369 | @retval UINTN Return the size.\r |
| 370 | \r |
| 371 | **/\r |
| 372 | UINTN\r |
| 373 | EFIAPI\r |
| 374 | LibPcdGetExSize (\r |
| 375 | IN CONST GUID *Guid,\r |
| 376 | IN UINTN TokenNumber\r |
| 377 | )\r |
| 378 | {\r |
| e386b444 |
379 | ASSERT (Guid != NULL);\r |
| a72bd1ec |
380 | return (GetPcdPpiPointer ())->GetSizeEx (Guid, TokenNumber);\r |
| e386b444 |
381 | }\r |
| 382 | \r |
| 383 | \r |
| 384 | \r |
| 385 | /**\r |
| 386 | Sets the 8-bit value for the token specified by TokenNumber \r |
| 387 | to the value specified by Value. Value is returned.\r |
| a72bd1ec |
388 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
389 | \r |
| 390 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 391 | @param[in] Value The 8-bit value to set.\r |
| 392 | \r |
| 393 | @retval UINT8 Return the value been set.\r |
| 394 | \r |
| 395 | **/\r |
| 396 | UINT8\r |
| 397 | EFIAPI\r |
| 398 | LibPcdSet8 (\r |
| 399 | IN UINTN TokenNumber,\r |
| 400 | IN UINT8 Value\r |
| 401 | )\r |
| 402 | {\r |
| 403 | EFI_STATUS Status;\r |
| e386b444 |
404 | \r |
| a72bd1ec |
405 | Status = (GetPcdPpiPointer ())->Set8 (TokenNumber, Value);\r |
| e386b444 |
406 | \r |
| 407 | ASSERT_EFI_ERROR (Status);\r |
| 408 | \r |
| 409 | return Value;\r |
| 410 | }\r |
| 411 | \r |
| 412 | \r |
| 413 | \r |
| 414 | /**\r |
| 415 | Sets the 16-bit value for the token specified by TokenNumber \r |
| 416 | to the value specified by Value. Value is returned.\r |
| a72bd1ec |
417 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
418 | \r |
| 419 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 420 | @param[in] Value The 16-bit value to set.\r |
| 421 | \r |
| 422 | @retval UINT16 Return the value been set.\r |
| 423 | \r |
| 424 | **/\r |
| 425 | UINT16\r |
| 426 | EFIAPI\r |
| 427 | LibPcdSet16 (\r |
| 428 | IN UINTN TokenNumber,\r |
| 429 | IN UINT16 Value\r |
| 430 | )\r |
| 431 | {\r |
| 432 | EFI_STATUS Status;\r |
| e386b444 |
433 | \r |
| a72bd1ec |
434 | Status = (GetPcdPpiPointer ())->Set16 (TokenNumber, Value);\r |
| e386b444 |
435 | \r |
| 436 | ASSERT_EFI_ERROR (Status);\r |
| 437 | \r |
| 438 | return Value;\r |
| 439 | }\r |
| 440 | \r |
| 441 | \r |
| 442 | \r |
| 443 | /**\r |
| 444 | Sets the 32-bit value for the token specified by TokenNumber \r |
| 445 | to the value specified by Value. Value is returned.\r |
| a72bd1ec |
446 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
447 | \r |
| 448 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 449 | @param[in] Value The 32-bit value to set.\r |
| 450 | \r |
| 451 | @retval UINT32 Return the value been set.\r |
| 452 | \r |
| 453 | **/\r |
| 454 | UINT32\r |
| 455 | EFIAPI\r |
| 456 | LibPcdSet32 (\r |
| 457 | IN UINTN TokenNumber,\r |
| 458 | IN UINT32 Value\r |
| 459 | )\r |
| 460 | {\r |
| 461 | EFI_STATUS Status;\r |
| e386b444 |
462 | \r |
| a72bd1ec |
463 | Status = (GetPcdPpiPointer ())->Set32 (TokenNumber, Value);\r |
| e386b444 |
464 | \r |
| 465 | ASSERT_EFI_ERROR (Status);\r |
| 466 | \r |
| 467 | return Value;\r |
| 468 | }\r |
| 469 | \r |
| 470 | \r |
| 471 | \r |
| 472 | /**\r |
| 473 | Sets the 64-bit value for the token specified by TokenNumber \r |
| 474 | to the value specified by Value. Value is returned.\r |
| a72bd1ec |
475 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
476 | \r |
| 477 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 478 | @param[in] Value The 64-bit value to set.\r |
| 479 | \r |
| 480 | @retval UINT64 Return the value been set.\r |
| 481 | \r |
| 482 | **/\r |
| 483 | UINT64\r |
| 484 | EFIAPI\r |
| 485 | LibPcdSet64 (\r |
| 486 | IN UINTN TokenNumber,\r |
| 487 | IN UINT64 Value\r |
| 488 | )\r |
| 489 | {\r |
| 490 | EFI_STATUS Status;\r |
| e386b444 |
491 | \r |
| a72bd1ec |
492 | Status = (GetPcdPpiPointer ())->Set64 (TokenNumber, Value);\r |
| e386b444 |
493 | \r |
| 494 | ASSERT_EFI_ERROR (Status);\r |
| 495 | \r |
| 496 | return Value;\r |
| 497 | }\r |
| 498 | \r |
| 499 | \r |
| 500 | \r |
| 501 | /**\r |
| 502 | Sets a buffer for the token specified by TokenNumber to \r |
| a72bd1ec |
503 | the value specified by Buffer and SizeOfBuffer. Buffer to\r |
| e386b444 |
504 | be set is returned. The content of the buffer could be \r |
| 505 | overwritten if a Callback on SET is registered with this\r |
| 506 | TokenNumber.\r |
| 507 | \r |
| a72bd1ec |
508 | If SizeOfBuffer is greater than the maximum \r |
| 509 | size support by TokenNumber, then set SizeOfBuffer to the \r |
| e386b444 |
510 | maximum size supported by TokenNumber and return NULL to \r |
| 511 | indicate that the set operation was not actually performed. \r |
| 512 | \r |
| a72bd1ec |
513 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r |
| e386b444 |
514 | \r |
| 63e4dba9 |
515 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 516 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| a72bd1ec |
517 | In out, returns actual size of buffer is set.\r |
| 63e4dba9 |
518 | @param[in] Buffer A pointer to the buffer to set.\r |
| e386b444 |
519 | \r |
| 520 | @retval VOID* Return the pointer for the buffer been set.\r |
| 521 | \r |
| 522 | **/\r |
| 523 | VOID *\r |
| 524 | EFIAPI\r |
| 525 | LibPcdSetPtr (\r |
| 526 | IN UINTN TokenNumber,\r |
| 527 | IN OUT UINTN *SizeOfBuffer,\r |
| 528 | IN VOID *Buffer\r |
| 529 | )\r |
| 530 | {\r |
| 531 | EFI_STATUS Status;\r |
| e386b444 |
532 | \r |
| 533 | ASSERT (SizeOfBuffer != NULL);\r |
| 534 | \r |
| 535 | if (*SizeOfBuffer > 0) {\r |
| 536 | ASSERT (Buffer != NULL);\r |
| 537 | }\r |
| e386b444 |
538 | \r |
| a72bd1ec |
539 | Status = (GetPcdPpiPointer ())->SetPtr (TokenNumber, SizeOfBuffer, Buffer);\r |
| e386b444 |
540 | \r |
| 541 | if (EFI_ERROR (Status)) {\r |
| 542 | return NULL;\r |
| 543 | }\r |
| 544 | \r |
| 545 | return Buffer;\r |
| 546 | }\r |
| 547 | \r |
| 548 | \r |
| 549 | \r |
| 550 | /**\r |
| 551 | Sets the Boolean value for the token specified by TokenNumber \r |
| 552 | to the value specified by Value. Value is returned.\r |
| a72bd1ec |
553 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
554 | \r |
| 555 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 556 | @param[in] Value The boolean value to set.\r |
| 557 | \r |
| 558 | @retval BOOLEAN Return the value been set.\r |
| 559 | \r |
| 560 | **/\r |
| 561 | BOOLEAN\r |
| 562 | EFIAPI\r |
| 563 | LibPcdSetBool (\r |
| 564 | IN UINTN TokenNumber,\r |
| 565 | IN BOOLEAN Value\r |
| 566 | )\r |
| 567 | {\r |
| 568 | EFI_STATUS Status;\r |
| e386b444 |
569 | \r |
| a72bd1ec |
570 | Status = (GetPcdPpiPointer ())->SetBool (TokenNumber, Value);\r |
| e386b444 |
571 | \r |
| 572 | ASSERT_EFI_ERROR (Status);\r |
| 573 | \r |
| 574 | return Value;\r |
| 575 | }\r |
| 576 | \r |
| 577 | \r |
| 578 | \r |
| 579 | /**\r |
| 580 | Sets the 8-bit value for the token specified by TokenNumber and \r |
| 581 | Guid to the value specified by Value. Value is returned.\r |
| 582 | If Guid is NULL, then ASSERT().\r |
| a72bd1ec |
583 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
584 | \r |
| 585 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 586 | designates which namespace to set a value from.\r |
| 587 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 588 | @param[in] Value The 8-bit value to set.\r |
| 589 | \r |
| 590 | @retval UINT8 Return the value been set.\r |
| 591 | \r |
| 592 | **/\r |
| 593 | UINT8\r |
| 594 | EFIAPI\r |
| 595 | LibPcdSetEx8 (\r |
| 596 | IN CONST GUID *Guid,\r |
| 597 | IN UINTN TokenNumber,\r |
| 598 | IN UINT8 Value\r |
| 599 | )\r |
| 600 | {\r |
| 601 | EFI_STATUS Status;\r |
| e386b444 |
602 | \r |
| 603 | ASSERT (Guid != NULL);\r |
| 604 | \r |
| a72bd1ec |
605 | Status = (GetPcdPpiPointer ())->Set8Ex (Guid, TokenNumber, Value);\r |
| e386b444 |
606 | \r |
| 607 | ASSERT_EFI_ERROR (Status);\r |
| 608 | \r |
| 609 | return Value;\r |
| 610 | }\r |
| 611 | \r |
| 612 | \r |
| 613 | \r |
| 614 | /**\r |
| 615 | Sets the 16-bit value for the token specified by TokenNumber and \r |
| 616 | Guid to the value specified by Value. Value is returned.\r |
| 617 | If Guid is NULL, then ASSERT().\r |
| a72bd1ec |
618 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
619 | \r |
| 620 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 621 | designates which namespace to set a value from.\r |
| 622 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 623 | @param[in] Value The 16-bit value to set.\r |
| 624 | \r |
| a72bd1ec |
625 | @retval UINT16 Return the value been set.\r |
| e386b444 |
626 | \r |
| 627 | **/\r |
| 628 | UINT16\r |
| 629 | EFIAPI\r |
| 630 | LibPcdSetEx16 (\r |
| 631 | IN CONST GUID *Guid,\r |
| 632 | IN UINTN TokenNumber,\r |
| 633 | IN UINT16 Value\r |
| 634 | )\r |
| 635 | {\r |
| 636 | EFI_STATUS Status;\r |
| e386b444 |
637 | ASSERT (Guid != NULL);\r |
| a72bd1ec |
638 | Status = (GetPcdPpiPointer ())->Set16Ex (Guid, TokenNumber, Value);\r |
| e386b444 |
639 | \r |
| 640 | ASSERT_EFI_ERROR (Status);\r |
| 641 | \r |
| 642 | return Value;\r |
| 643 | }\r |
| 644 | \r |
| 645 | \r |
| 646 | \r |
| 647 | /**\r |
| 648 | Sets the 32-bit value for the token specified by TokenNumber and \r |
| 649 | Guid to the value specified by Value. Value is returned.\r |
| 650 | If Guid is NULL, then ASSERT().\r |
| a72bd1ec |
651 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
652 | \r |
| 653 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 654 | designates which namespace to set a value from.\r |
| 655 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 656 | @param[in] Value The 32-bit value to set.\r |
| 657 | \r |
| 658 | @retval UINT32 Return the value been set.\r |
| 659 | \r |
| 660 | **/\r |
| 661 | UINT32\r |
| 662 | EFIAPI\r |
| 663 | LibPcdSetEx32 (\r |
| 664 | IN CONST GUID *Guid,\r |
| 665 | IN UINTN TokenNumber,\r |
| 666 | IN UINT32 Value\r |
| 667 | )\r |
| 668 | {\r |
| 669 | EFI_STATUS Status;\r |
| e386b444 |
670 | \r |
| a72bd1ec |
671 | ASSERT (Guid != NULL);\r |
| e386b444 |
672 | \r |
| a72bd1ec |
673 | Status = (GetPcdPpiPointer ())->Set32Ex (Guid, TokenNumber, Value);\r |
| e386b444 |
674 | \r |
| 675 | ASSERT_EFI_ERROR (Status);\r |
| 676 | \r |
| 677 | return Value;\r |
| 678 | }\r |
| 679 | \r |
| 680 | \r |
| 681 | \r |
| 682 | /**\r |
| 683 | Sets the 64-bit value for the token specified by TokenNumber and \r |
| 684 | Guid to the value specified by Value. Value is returned.\r |
| 685 | If Guid is NULL, then ASSERT().\r |
| a72bd1ec |
686 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
687 | \r |
| 688 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 689 | designates which namespace to set a value from.\r |
| 690 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 691 | @param[in] Value The 64-bit value to set.\r |
| 692 | \r |
| 693 | @retval UINT64 Return the value been set.\r |
| 694 | \r |
| 695 | **/\r |
| 696 | UINT64\r |
| 697 | EFIAPI\r |
| 698 | LibPcdSetEx64 (\r |
| 699 | IN CONST GUID *Guid,\r |
| 700 | IN UINTN TokenNumber,\r |
| 701 | IN UINT64 Value\r |
| 702 | )\r |
| 703 | {\r |
| 704 | EFI_STATUS Status;\r |
| e386b444 |
705 | ASSERT (Guid != NULL);\r |
| e386b444 |
706 | \r |
| a72bd1ec |
707 | Status = (GetPcdPpiPointer ())->Set64Ex (Guid, TokenNumber, Value);\r |
| e386b444 |
708 | \r |
| 709 | ASSERT_EFI_ERROR (Status);\r |
| 710 | \r |
| 711 | return Value;\r |
| 712 | }\r |
| 713 | \r |
| 714 | \r |
| 715 | \r |
| 716 | /**\r |
| 717 | Sets a buffer for the token specified by TokenNumber to the value specified by \r |
| a72bd1ec |
718 | Buffer and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than \r |
| 719 | the maximum size support by TokenNumber, then set SizeOfBuffer to the maximum size \r |
| e386b444 |
720 | supported by TokenNumber and return NULL to indicate that the set operation \r |
| 721 | was not actually performed. \r |
| 722 | \r |
| a72bd1ec |
723 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r |
| e386b444 |
724 | \r |
| 725 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 726 | designates which namespace to set a value from.\r |
| 727 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 728 | @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r |
| a72bd1ec |
729 | In out, returns actual size of buffer is set.\r |
| e386b444 |
730 | @param[in] Buffer A pointer to the buffer to set.\r |
| 731 | \r |
| 732 | @retval VOID * Return the pinter to the buffer been set.\r |
| 733 | \r |
| 734 | **/\r |
| 735 | VOID *\r |
| 736 | EFIAPI\r |
| 737 | LibPcdSetExPtr (\r |
| 738 | IN CONST GUID *Guid,\r |
| 739 | IN UINTN TokenNumber,\r |
| 740 | IN OUT UINTN *SizeOfBuffer,\r |
| 741 | IN VOID *Buffer\r |
| 742 | )\r |
| 743 | {\r |
| 744 | EFI_STATUS Status;\r |
| a72bd1ec |
745 | ASSERT (SizeOfBuffer != NULL);\r |
| e386b444 |
746 | if (*SizeOfBuffer > 0) {\r |
| 747 | ASSERT (Buffer != NULL);\r |
| 748 | }\r |
| 749 | ASSERT (Guid != NULL);\r |
| e386b444 |
750 | \r |
| a72bd1ec |
751 | Status = (GetPcdPpiPointer ())->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);\r |
| e386b444 |
752 | \r |
| 753 | if (EFI_ERROR (Status)) {\r |
| 754 | return NULL;\r |
| 755 | }\r |
| 756 | \r |
| 757 | return Buffer;\r |
| 758 | }\r |
| 759 | \r |
| 760 | \r |
| 761 | \r |
| 762 | /**\r |
| 763 | Sets the Boolean value for the token specified by TokenNumber and \r |
| 764 | Guid to the value specified by Value. Value is returned.\r |
| 765 | If Guid is NULL, then ASSERT().\r |
| a72bd1ec |
766 | If fail to set pcd value, then ASSERT_EFI_ERROR().\r |
| e386b444 |
767 | \r |
| 768 | @param[in] Guid Pointer to a 128-bit unique value that \r |
| 769 | designates which namespace to set a value from.\r |
| 770 | @param[in] TokenNumber The PCD token number to set a current value for.\r |
| 771 | @param[in] Value The Boolean value to set.\r |
| 772 | \r |
| 773 | @retval Boolean Return the value been set.\r |
| 774 | \r |
| 775 | **/\r |
| 776 | BOOLEAN\r |
| 777 | EFIAPI\r |
| 778 | LibPcdSetExBool (\r |
| 779 | IN CONST GUID *Guid,\r |
| 780 | IN UINTN TokenNumber,\r |
| 781 | IN BOOLEAN Value\r |
| 782 | )\r |
| 783 | {\r |
| 784 | EFI_STATUS Status;\r |
| e386b444 |
785 | \r |
| 786 | ASSERT (Guid != NULL);\r |
| a72bd1ec |
787 | Status = (GetPcdPpiPointer ())->SetBoolEx (Guid, TokenNumber, Value);\r |
| e386b444 |
788 | \r |
| 789 | ASSERT_EFI_ERROR (Status);\r |
| 790 | \r |
| 791 | return Value;\r |
| 792 | }\r |
| 793 | \r |
| 794 | \r |
| 795 | \r |
| 796 | /**\r |
| 797 | When the token specified by TokenNumber and Guid is set, \r |
| 798 | then notification function specified by NotificationFunction is called. \r |
| 799 | If Guid is NULL, then the default token space is used. \r |
| 800 | If NotificationFunction is NULL, then ASSERT().\r |
| a72bd1ec |
801 | If fail to set callback, then ASSERT_EFI_ERROR().\r |
| e386b444 |
802 | @param[in] Guid Pointer to a 128-bit unique value that designates which \r |
| 803 | namespace to set a value from. If NULL, then the default \r |
| 804 | token space is used.\r |
| 805 | @param[in] TokenNumber The PCD token number to monitor.\r |
| 806 | @param[in] NotificationFunction The function to call when the token \r |
| 807 | specified by Guid and TokenNumber is set.\r |
| 808 | \r |
| 809 | @retval VOID\r |
| 810 | \r |
| 811 | **/\r |
| 812 | VOID\r |
| 813 | EFIAPI\r |
| 814 | LibPcdCallbackOnSet (\r |
| 815 | IN CONST GUID *Guid, OPTIONAL\r |
| 816 | IN UINTN TokenNumber,\r |
| 817 | IN PCD_CALLBACK NotificationFunction\r |
| 818 | )\r |
| 819 | {\r |
| 820 | EFI_STATUS Status;\r |
| e386b444 |
821 | \r |
| a72bd1ec |
822 | Status = (GetPcdPpiPointer ())->CallbackOnSet (Guid, TokenNumber, NotificationFunction);\r |
| e386b444 |
823 | \r |
| 824 | ASSERT_EFI_ERROR (Status);\r |
| 825 | \r |
| 826 | return;\r |
| 827 | }\r |
| 828 | \r |
| 829 | \r |
| 830 | \r |
| 831 | /**\r |
| 832 | Disable a notification function that was established with LibPcdCallbackonSet().\r |
| 833 | If NotificationFunction is NULL, then ASSERT().\r |
| a72bd1ec |
834 | If fail to cancel callback, then ASSERT_EFI_ERROR().\r |
| 835 | \r |
| e386b444 |
836 | @param[in] Guid Specify the GUID token space.\r |
| 837 | @param[in] TokenNumber Specify the token number.\r |
| 838 | @param[in] NotificationFunction The callback function to be unregistered.\r |
| 839 | \r |
| 840 | @retval VOID\r |
| 841 | \r |
| 842 | **/\r |
| 843 | VOID\r |
| 844 | EFIAPI\r |
| 845 | LibPcdCancelCallback (\r |
| 846 | IN CONST GUID *Guid, OPTIONAL\r |
| 847 | IN UINTN TokenNumber,\r |
| 848 | IN PCD_CALLBACK NotificationFunction\r |
| 849 | )\r |
| 850 | {\r |
| 851 | EFI_STATUS Status;\r |
| e386b444 |
852 | \r |
| a72bd1ec |
853 | Status = (GetPcdPpiPointer ())->CancelCallback (Guid, TokenNumber, NotificationFunction);\r |
| e386b444 |
854 | \r |
| 855 | ASSERT_EFI_ERROR (Status);\r |
| 856 | \r |
| 857 | return;\r |
| 858 | }\r |
| 859 | \r |
| 860 | \r |
| 861 | \r |
| 862 | /**\r |
| 863 | Retrieves the next PCD token number from the token space specified by Guid. \r |
| 864 | If Guid is NULL, then the default token space is used. If TokenNumber is 0, \r |
| 865 | then the first token number is returned. Otherwise, the token number that \r |
| 866 | follows TokenNumber in the token space is returned. If TokenNumber is the last \r |
| 867 | token number in the token space, then 0 is returned. If TokenNumber is not 0 and \r |
| 868 | is not in the token space specified by Guid, then ASSERT().\r |
| a72bd1ec |
869 | If fail to get token in given token space, then ASSERT_EFI_ERROR().\r |
| 870 | \r |
| 63e4dba9 |
871 | @param[in] Guid Pointer to a 128-bit unique value that designates which namespace \r |
| 872 | to set a value from. If NULL, then the default token space is used.\r |
| 873 | @param[in] TokenNumber The previous PCD token number. If 0, then retrieves the first PCD \r |
| 874 | token number.\r |
| e386b444 |
875 | \r |
| 876 | @retval UINTN The next valid token number.\r |
| 877 | \r |
| 878 | **/\r |
| 879 | UINTN \r |
| 880 | EFIAPI\r |
| 881 | LibPcdGetNextToken (\r |
| 882 | IN CONST GUID *Guid, OPTIONAL\r |
| 883 | IN UINTN TokenNumber\r |
| 884 | )\r |
| 885 | {\r |
| 886 | EFI_STATUS Status;\r |
| e386b444 |
887 | \r |
| a72bd1ec |
888 | Status = (GetPcdPpiPointer ())->GetNextToken (Guid, &TokenNumber);\r |
| e386b444 |
889 | \r |
| 890 | ASSERT_EFI_ERROR (Status);\r |
| 891 | \r |
| 892 | return TokenNumber;\r |
| 893 | }\r |
| 894 | \r |
| 895 | \r |
| 896 | /**\r |
| 897 | Retrieves the next PCD token space from a token space specified by Guid.\r |
| 898 | Guid of NULL is reserved to mark the default local token namespace on the current\r |
| 899 | platform. If Guid is NULL, then the GUID of the first non-local token space of the \r |
| 900 | current platform is returned. If Guid is the last non-local token space, \r |
| 901 | then NULL is returned. \r |
| a72bd1ec |
902 | If fail to get next token space, then ASSERT_EFI_ERROR().\r |
| 903 | \r |
| e386b444 |
904 | If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r |
| 905 | \r |
| 906 | \r |
| 907 | \r |
| 63e4dba9 |
908 | @param[in] Guid Pointer to a 128-bit unique value that designates from which namespace \r |
| 909 | to start the search.\r |
| e386b444 |
910 | \r |
| 911 | @retval CONST GUID * The next valid token namespace.\r |
| 912 | \r |
| 913 | **/\r |
| 914 | GUID * \r |
| 915 | EFIAPI\r |
| 916 | LibPcdGetNextTokenSpace (\r |
| 917 | IN CONST GUID *Guid\r |
| 918 | )\r |
| 919 | {\r |
| 920 | EFI_STATUS Status;\r |
| e386b444 |
921 | \r |
| a72bd1ec |
922 | Status = (GetPcdPpiPointer ())->GetNextTokenSpace (&Guid);\r |
| e386b444 |
923 | \r |
| 924 | ASSERT_EFI_ERROR (Status);\r |
| 925 | \r |
| 926 | return (GUID *)Guid;\r |
| 927 | }\r |
| 928 | \r |
| 929 | \r |
| 930 | \r |
| 931 | /**\r |
| 932 | Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r |
| a72bd1ec |
933 | and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than \r |
| 934 | MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return \r |
| e386b444 |
935 | NULL to indicate that the set operation was not actually performed. \r |
| a72bd1ec |
936 | If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to \r |
| e386b444 |
937 | MaximumDatumSize and NULL must be returned.\r |
| 938 | \r |
| 939 | If PatchVariable is NULL, then ASSERT().\r |
| a72bd1ec |
940 | If SizeOfBuffer is NULL, then ASSERT().\r |
| 941 | If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().\r |
| e386b444 |
942 | \r |
| 943 | @param[in] PatchVariable A pointer to the global variable in a module that is \r |
| 944 | the target of the set operation.\r |
| 945 | @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.\r |
| 946 | @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.\r |
| a72bd1ec |
947 | In out, returns actual size of buffer is set.\r |
| e386b444 |
948 | @param[in] Buffer A pointer to the buffer to used to set the target variable.\r |
| 949 | \r |
| 950 | **/\r |
| 951 | VOID *\r |
| 952 | EFIAPI\r |
| 953 | LibPatchPcdSetPtr (\r |
| 954 | IN VOID *PatchVariable,\r |
| 955 | IN UINTN MaximumDatumSize,\r |
| 956 | IN OUT UINTN *SizeOfBuffer,\r |
| 957 | IN CONST VOID *Buffer\r |
| 958 | )\r |
| 959 | {\r |
| 960 | ASSERT (PatchVariable != NULL);\r |
| 961 | ASSERT (SizeOfBuffer != NULL);\r |
| 962 | \r |
| 963 | if (*SizeOfBuffer > 0) {\r |
| 964 | ASSERT (Buffer != NULL);\r |
| 965 | }\r |
| 966 | \r |
| 967 | if ((*SizeOfBuffer > MaximumDatumSize) ||\r |
| 968 | (*SizeOfBuffer == MAX_ADDRESS)) {\r |
| 969 | *SizeOfBuffer = MaximumDatumSize;\r |
| 970 | return NULL;\r |
| 971 | }\r |
| 972 | \r |
| 973 | CopyMem (PatchVariable, Buffer, *SizeOfBuffer);\r |
| 974 | \r |
| 975 | return (VOID *) Buffer;\r |
| 976 | }\r |
| 977 | \r |
| 978 | \r |
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