Function MemLogfVA

Library/MemLogLibDefault/MemLogLib.c:495–544

Prints a log message to memory buffer. @param Timing TRUE to prepend timing to log. @param DebugMode DebugMode will be passed to Callback function if it is set. @param Format The format string for the debug message to print. @param Marker VA_LIST with variable arguments for Format. **/

**/
VOID
EFIAPI
MemLogfVA (
  IN  CONST BOOLEAN Timing,
  IN  CONST INTN    DebugMode,
  IN  CONST CHAR8   *Format,
  IN  VA_LIST       Marker
  )
{
  EFI_STATUS      Status;

  if (Format == NULL) {
    return;
  }

  if (mMemLog == NULL) {
    Status = MemLogInit ();
    if (EFI_ERROR(Status)) {
      return;
    }
  }

  //
  // Add log to buffer
  //
  UINTN LastMessage = mMemLog->Cursor - mMemLog->Buffer;

  vprintf_with_callback_timestamp_emitcr(Format, Marker, transmitS8Printf, NULL, &printfNewline, 1, 1);
  size_t DataWritten = mMemLog->Cursor - mMemLog->Buffer - LastMessage;

  //
  // Pass this last message to callback if defined
  //
  if (mMemLog->Callback != NULL) {
    mMemLog->Callback(DebugMode,  mMemLog->Buffer + LastMessage);
  }

  //
  // Check driver debug mask value and global mask
  //
  if ((DebugMode & GetDebugPrintErrorLevel ()) == 0) {
    return;
  }
  //
  // Write to standard debug device also
  //
  // Jief : use SerialPortWrite instead of DebugPrint to avoid 256 chars message length limitation.
  SerialPortWrite((UINT8*)(mMemLog->Buffer + LastMessage), DataWritten);
//  DebugPrint(DEBUG_INFO, "%a", LastMessage);
}

/**
  Prints a log to message memory buffer.