SerialStatusCodeWorker.c

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#include "StatusCodeHandlerRuntimeDxe.h"
 
EFI_STATUS
EFIAPI
SerialStatusCodeReportWorker (
  IN EFI_STATUS_CODE_TYPE   CodeType,
  IN EFI_STATUS_CODE_VALUE  Value,
  IN UINT32                 Instance,
  IN EFI_GUID               *CallerId,
  IN EFI_STATUS_CODE_DATA   *Data OPTIONAL
  )
{
  CHAR8      *Filename;
  CHAR8      *Description;
  CHAR8      *Format;
  CHAR8      Buffer[MAX_DEBUG_MESSAGE_LENGTH];
  UINT32     ErrorLevel;
  UINT32     LineNumber;
  UINTN      CharCount;
  BASE_LIST  Marker;
 
  Buffer[0] = '\0';
 
  if ((Data != NULL) &&
      ReportStatusCodeExtractAssertInfo (CodeType, Value, Data, &Filename, &Description, &LineNumber))
  {
    //
    // Print ASSERT() information into output buffer.
    //
    CharCount = AsciiSPrint (
                  Buffer,
                  sizeof (Buffer),
                  "\n\rDXE_ASSERT!: %a (%d): %a\n\r",
                  Filename,
                  LineNumber,
                  Description
                  );
  } else if ((Data != NULL) &&
             ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format))
  {
    //
    // Print DEBUG() information into output buffer.
    //
    CharCount = AsciiBSPrint (
                  Buffer,
                  sizeof (Buffer),
                  Format,
                  Marker
                  );
  } else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) {
    //
    // Print ERROR information into output buffer.
    //
    CharCount = AsciiSPrint (
                  Buffer,
                  sizeof (Buffer),
                  "ERROR: C%08x:V%08x I%x",
                  CodeType,
                  Value,
                  Instance
                  );
    ASSERT (CharCount > 0);
 
    if (CallerId != NULL) {
      CharCount += AsciiSPrint (
                     &Buffer[CharCount],
                     (sizeof (Buffer) - (sizeof (Buffer[0]) * CharCount)),
                     " %g",
                     CallerId
                     );
    }
 
    if (Data != NULL) {
      CharCount += AsciiSPrint (
                     &Buffer[CharCount],
                     (sizeof (Buffer) - (sizeof (Buffer[0]) * CharCount)),
                     " %x",
                     Data
                     );
    }
 
    CharCount += AsciiSPrint (
                   &Buffer[CharCount],
                   (sizeof (Buffer) - (sizeof (Buffer[0]) * CharCount)),
                   "\n\r"
                   );
  } else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) {
    //
    // Print PROGRESS information into output buffer.
    //
    CharCount = AsciiSPrint (
                  Buffer,
                  sizeof (Buffer),
                  "PROGRESS CODE: V%08x I%x\n\r",
                  Value,
                  Instance
                  );
  } else if ((Data != NULL) &&
             CompareGuid (&Data->Type, &gEfiStatusCodeDataTypeStringGuid) &&
             (((EFI_STATUS_CODE_STRING_DATA *)Data)->StringType == EfiStringAscii))
  {
    //
    // EFI_STATUS_CODE_STRING_DATA
    //
    CharCount = AsciiSPrint (
                  Buffer,
                  sizeof (Buffer),
                  "%a",
                  ((EFI_STATUS_CODE_STRING_DATA *)Data)->String.Ascii
                  );
  } else {
    //
    // Code type is not defined.
    //
    CharCount = AsciiSPrint (
                  Buffer,
                  sizeof (Buffer),
                  "Undefined: C%08x:V%08x I%x\n\r",
                  CodeType,
                  Value,
                  Instance
                  );
  }
 
  //
  // Call SerialPort Lib function to do print.
  //
  SerialPortWrite ((UINT8 *)Buffer, CharCount);
 
  //
  // If register an unregister function of gEfiEventExitBootServicesGuid,
  // then some log called in ExitBootServices() will be lost,
  // so unregister the handler after receive the value of exit boot service.
  //
  if (((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) &&
      (Value == (EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES)))
  {
    UnregisterSerialBootTimeHandlers ();
  }
 
  return EFI_SUCCESS;
}