EFI_STATUS EFIAPI
OvrCalculateCrc32(
IN VOID *Data,
IN UINTN DataSize,
OUT UINT32 *Crc32
)
{
EFI_STATUS Status;
Status = gOrgBS.CalculateCrc32(Data, DataSize, Crc32);
// Omit printing this when using append while logging, as it can end up in calling a file operating inside another file operation
// (some implementations of File functions use CalculateCrc32)
#if (LOG_TO_FILE <= 2) && (CLEANER_LOG != 1)
// Better not print this for cleaner logs - reported by XyZ
PRINT("->CalculateCrc32(%p, %d, 0x%x) = %r\n", Data, DataSize, Crc32, Status);
#endif
return Status;
}
/** Installs our boot services overrides. */
EFI_STATUS EFIAPI
OvrBootServices(EFI_BOOT_SERVICES *BS)
{
PRINT("Overriding boot services ...\n");
// store orig BS
CopyMem(&gOrgBS, BS, sizeof(EFI_BOOT_SERVICES));
BS->RaiseTPL = OvrRaiseTPL;
BS->RestoreTPL = OvrRestoreTPL;
BS->AllocatePages = OvrAllocatePages;
BS->FreePages = OvrFreePages;
BS->GetMemoryMap = OvrGetMemoryMap;
BS->AllocatePool = OvrAllocatePool;
BS->FreePool = OvrFreePool;
BS->CreateEvent = OvrCreateEvent;
BS->SetTimer = OvrSetTimer;
BS->WaitForEvent = OvrWaitForEvent;
BS->SignalEvent = OvrSignalEvent;
BS->CloseEvent = OvrCloseEvent;
BS->CheckEvent = OvrCheckEvent;
BS->InstallProtocolInterface = OvrInstallProtocolInterface;
BS->ReinstallProtocolInterface = OvrReinstallProtocolInterface;
BS->UninstallProtocolInterface = OvrUninstallProtocolInterface;
BS->HandleProtocol = OvrHandleProtocol;
BS->RegisterProtocolNotify = OvrRegisterProtocolNotify;
BS->LocateHandle = OvrLocateHandle;
BS->LocateDevicePath = OvrLocateDevicePath;
BS->InstallConfigurationTable = OvrInstallConfigurationTable;
BS->LoadImage = OvrLoadImage;
BS->StartImage = OvrStartImage;
BS->Exit = OvrExit;
BS->UnloadImage = OvrUnloadImage;
BS->ExitBootServices = OvrExitBootServices;
BS->GetNextMonotonicCount = OvrGetNextMonotonicCount;
BS->Stall = OvrStall;
BS->SetWatchdogTimer = OvrSetWatchdogTimer;
BS->ConnectController = OvrConnectController;
BS->DisconnectController = OvrDisconnectController;
BS->OpenProtocol = OvrOpenProtocol;
BS->CloseProtocol = OvrCloseProtocol;
BS->OpenProtocolInformation = OvrOpenProtocolInformation;
BS->ProtocolsPerHandle = OvrProtocolsPerHandle;
BS->LocateHandleBuffer = OvrLocateHandleBuffer;
BS->LocateProtocol = OvrLocateProtocol;
BS->InstallMultipleProtocolInterfaces = OvrInstallMultipleProtocolInterfaces;
BS->UninstallMultipleProtocolInterfaces = OvrUninstallMultipleProtocolInterfaces;
BS->CalculateCrc32 = OvrCalculateCrc32;
BS->CopyMem = OvrCopyMem;
BS->SetMem = OvrSetMem;
BS->CreateEventEx = OvrCreateEventEx;
BS->Hdr.CRC32 = 0;
// use orig function to avoid our PRINT
gOrgBS.CalculateCrc32(BS, BS->Hdr.HeaderSize, &BS->Hdr.CRC32);
PRINT("Boot services overriden!\n");
#if CAPTURE_CONSOLE_OUTPUT >= 1
PRINT("Overriding console output ...\n");
#if CAPTURE_CONSOLE_OUTPUT == 2
PRINT("Preventing any further console output, please wait until booting starts ...\n");
#endif
gOrgConOutOutputString = gST->ConOut->OutputString;
gST->ConOut->OutputString = OvrConOutOutputString;
PRINT("Console output overriden!\n");
#endif
return EFI_SUCCESS;
}