Re: An OS in Ada, why not RTEMS ?

[Simon Wright <simon@pushface.org>]

James Ross <rem.jr@rem.webross.com> writes:

> On 29 Apr 2002 06:19:17 +0100, Simon Wright <simon@pushface.org>
> wrote:
> >> Unless some GNAT guru steps in and proves otherwise, I don't think
> >> it will be possible to create an OS from scratch using the free GNAT
> >> unmodified.  If this were not a hobby project, of course I would be
> >> willing to purchase the Professional GNAT version. Certainly it is
> >> possible to do it there :)
> >
> >What aspects of GNATpro (GNATPro?) did you have in mind?
> 
> I am specifically referring to the ability to output an executable
> that does not rely on any underlying OS.  If put in embedded terms:
> To run a GNAT compiled program from EPROM and nothing else. No Disk,
> LAN, etc ... All I am saying is that *surely* this is possible on a
> PC platform and supported in the GNATPro version is it not?  And,
> that I am pleased enough with the free GNAT version, that if this
> were a serious project, I would look into buying their pro product.

It sounds to me as though you think it _ought_ to be available. There
is the high-reliability version (used to be called GNORT, has a new
name now), and I see at www.gnat.com that there are bare-board
solutions. They certainly aren't described there at all (contact sales
...)