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Check for OVMF and prevent doubled messages on serial console
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This commit is contained in:
Rafal Kupiec 2022-09-27 18:39:26 +02:00
parent 67acacf528
commit bf9171b66a
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 8 additions and 4 deletions
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12
xtldr/efiutil.c
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@ -227,11 +227,15 @@ BlEfiPrint(IN PUINT16 Format,
/* Format and print the string to the stdout */
BlStringPrint(BlConsolePutChar, Format, Arguments);
/* Check if EFI serial port is fully initialized */
if(EfiSerialPort.Flags & COMPORT_FLAG_INIT)
/* Print to serial console only if not running under OVMF */
if(RtlWideStringCompare(EfiSystemTable->FirmwareVendor, L"EDK II", 6) != 0)
{
/* Format and print the string to the serial console */
BlStringPrint(BlComPortPutChar, Format, Arguments);
/* Check if EFI serial port is fully initialized */
if(EfiSerialPort.Flags & COMPORT_FLAG_INIT)
{
/* Format and print the string to the serial console */
BlStringPrint(BlComPortPutChar, Format, Arguments);
}
}
/* Clean up the va_list */