Run-time selection of pc386 BSP console

Angelo Fraietta angelo_f at
Thu Jul 11 22:41:38 UTC 2002

A compile time directive to determine whether the auto detect should 
take place would be better. I am using the 386dx bsp in my embedded 
system and don't want my serial ports taken away from me if there is no 
video adapter.

Eric Norum wrote:

> On Thursday, July 11, 2002, at 03:20 PM, Chris Caudle wrote:
>>> Do others think that this is a good idea?
>> Yes, but I thought I remembered a compile time option to set console 
>> to serial
>> instead of video.  I haven't had to change any console settings in a 
>> long
>> time, so I don't remember if that still works.
>> I don't have easy access to a machine with current RTEMS source at this
>> minute, but in 4.0 there were some places you could change the 
>> console setting
>> in libbsp/i386/pc386/console/console.c.
> Yes, those are the variables which I'm now poking with GDB.
>> Maybe a compile time configuration setting would be enough?  You 
>> could put it
>> the same place you set up the device driver tables.
>> Even if you decide you really need autodetect for some reason, it 
>> would be
>> nice to have a compile time force, so that you could, for example, 
>> force a
>> machine with a built in VGA adapter to use serial port for console.
> Right.  That's why I had the initial expression in the if statement.  
> The dynamic check takes place only
> Thus, if you've set BSPConsolePort to another value (at compile time, 
> or with a debugger) it will retain that vavluje.
> -- 
> Eric Norum <eric.norum at>
> Department of Electrical Engineering
> University of Saskatchewan
> Saskatoon, Canada.
> Phone: (306) 966-5394   FAX:   (306) 966-5407

Angelo Fraietta

PO Box 859
Hamilton NSW 2303

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