| 458 | INT8 SNum[1] = {1}; |
| 459 | |
| 460 | VOID |
| 461 | GetSmcKeys (BOOLEAN WriteToSMC) |
| 462 | { |
| 463 | EFI_STATUS Status; |
| 464 | CHAR16 *Name; |
| 465 | EFI_GUID Guid; |
| 466 | UINTN NameSize; |
| 467 | UINTN NewNameSize; |
| 468 | UINT8 *Data; |
| 469 | UINTN DataSize; |
| 470 | INTN NumKey = 0; |
| 471 | STATIC UINTN Once = 0; |
| 472 | if (Once++) { |
| 473 | return; |
| 474 | } |
| 475 | |
| 476 | |
| 477 | NameSize = sizeof (CHAR16); |
| 478 | Name = (__typeof__(Name))AllocateZeroPool(NameSize); |
| 479 | if (Name == NULL) { |
| 480 | return; |
| 481 | } |
| 482 | DbgHeader("Dump SMC keys from NVRAM"); |
| 483 | Status = gBS->LocateProtocol(&gAppleSMCProtocolGuid, NULL, (VOID**)&gAppleSmc); |
| 484 | if (!EFI_ERROR(Status)) { |
| 485 | DBG("found AppleSMC protocol\n"); |
| 486 | } else { |
| 487 | DBG("no AppleSMC protocol\n"); |
| 488 | gAppleSmc = NULL; |
| 489 | } |
| 490 | |
| 491 | while (TRUE) { |
| 492 | NewNameSize = NameSize; |
| 493 | Status = gRT->GetNextVariableName (&NewNameSize, Name, &Guid); |
| 494 | if (Status == EFI_BUFFER_TOO_SMALL) { |
| 495 | Name = (__typeof__(Name))ReallocatePool (NameSize, NewNameSize, Name); |
| 496 | if (Name == NULL) { |
| 497 | return; //if something wrong then just do nothing |
| 498 | } |
| 499 | |
| 500 | Status = gRT->GetNextVariableName (&NewNameSize, Name, &Guid); |
| 501 | NameSize = NewNameSize; |
| 502 | } |
| 503 | |
| 504 | if (EFI_ERROR(Status)) { |
| 505 | break; //no more variables |
| 506 | } |
| 507 | |
| 508 | if (!StrStr(Name, L"fakesmc-key")) { |
| 509 | continue; //the variable is not interesting for us |
| 510 | } |
| 511 | |
| 512 | Data = (__typeof__(Data))GetNvramVariable(Name, &Guid, NULL, &DataSize); |
| 513 | if (Data) { |
| 514 | /* UINTN Index; |
| 515 | DBG(" %ls:", Name); |
| 516 | for (Index = 0; Index < DataSize; Index++) { |
| 517 | DBG("%02hhX ", *((UINT8*)Data + Index)); |
no test coverage detected