linux-posix

Joel Sherrill joel.sherrill at OARcorp.com
Sun Mar 10 00:05:33 UTC 2002



Peter Mueller wrote:
> 
> Hi Aaron, hi Joel,
> 
> do I have to consider anything special configuring rtems using the ways you suggested?
> 
> Shared Memory: I assume that this requires MP support enabled?

Yes since right now, that is all that uses it.

> Microwindows: ?

Nothing special that I know of.  Rosimildo is the keeper of that.
Updates, etc new howtos are welcomed. :)

> Peter
> 
> On Fri, 08 Mar 2002 13:10:49 -0600
> Joel Sherrill <joel.sherrill at OARcorp.com> wrote:
> 
> >
> >
> > "Aaron J. Grier" wrote:
> > >
> > > On Thu, Mar 07, 2002 at 08:10:47PM +0100, Peter Mueller wrote:
> > >
> > > > for a demo I like to "connect" a rtems application running on Linux
> > > > with a pure Linux application. How can I do that? Is there a way to
> > > > communicate between the rtems app and the pure linux app?
> > >
> > > you could use a pipe.  microwindows demo uses this to communicate
> > > between a client running in RTEMS and a server running on linux.
> > >
> > > I'm sure there are more clever ways, but I have seen this method
> > > demonstrated and working.  ;)
> >
> > I've used the psim BSP to pass data via shared memory with a Linux
> > application.  I added shared memory and semaphore devices to
> > psim in order to do this and they are included in the standard
> > powerpc-rtems-gdb RPMs.
> >
> > As I recall, the UNIX port uses shared memory for the mptests so
> > it also has support for accessing shared memory.  Same trick
> > is already in place there.
> >
> 
>   ------------------------------------------------------------------------
>    Part 1.2Type: application/pgp-signature

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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