[Simh] EXT :Re: rasberry pi

[Jan-Benedict Glaw]

On Wed, 2012-03-07 23:33:32 +0000, Hittner, David T (IS) <david.hittner at ngc.com> wrote:
> From: simh-bounces at trailing-edge.com [mailto:simh-bounces at trailing-edge.com] On Behalf Of Jan-Benedict Glaw
> > Sent: Wednesday, March 07, 2012 4:19 PM
> > On Wed, 2012-03-07 17:41:21 +0100, Jan-Benedict Glaw <jbglaw at lug-owl.de> wrote:
> > > On Tue, 2012-03-06 19:21:13 -0700, Villy Madsen <Villy.Madsen at shaw.ca> wrote:
> > > > Anyone given any thoughts to migrating Sim-H to the raspberry
> > > > pi ????
> > > 
> > > The Raspberry is just an ARM-based system, isn't it? If anybody
> > > is interested, I'd provide access to a PogoPlug running Arch
> > > Linux, or even to two of them.
> > 
> > At least, SIMH compiles without any problem and the VAX emulator
> > starts. However, I don't currently have set-up enough to test it
> > for real.
> 
> How much of the 256MB memory was still available to give to the VAX?

Hard to say without testing it hard. Almost all of the 256MB RAM is
used for caches. But when an application malloc()s as much (and uses
it), the cache will be dropped.

For real, if there's not running anything else, you'll get 200MB RAM
inside the simulated system without noticeable paging.

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw at lug-owl.de              +49-172-7608481
 Signature of:                    Don't believe in miracles: Rely on them!
 the second  :
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