[Arm-netbook] One other thing -- emulation question...

[Paul Sokolovsky]

Hello,

On Wed, 23 Oct 2013 19:25:05 +0100
Wookey <wookey at wookware.org> wrote:

> +++ Paul Sokolovsky [2013-10-23 19:58 +0300]:
> > Hello,
> > 
> > On Tue, 22 Oct 2013 13:41:49 -0400
> > Christopher Havel <laserhawk64 at gmail.com> wrote:
> > 
> > > One more idea that just popped up (I promise I won't spam the list
> > > too much with this kind of junk).
> > > 
> > > How much of a performance penalty/loss would be incurred by
> > > "pulling a Transmeta" -- by which I mean emulating x86 hardware
> > > with, in this case, ARM...? Say, convincing an A20 to emulate
> > > something like a P3 CPU?
> > 
> > One thing you forgot to mention is why the heck someone would want
> > to emulate x86? Where someone needs x86, they just use it, in all
> > other areas, everyone is galloping away from x86 and uses raw
> > performance of platform, without need to "emulate" anything.
> > Anyway, QEMU emulates anything on anything, so what?
> 
> Quite. We have this functionality already and it's as simple as:
> apt-get install qemu-system-x86
> 
> Not sure if debian has packaged the statically-linked version whch
> lets you run random foreign binaries in chroots, but that's a small
> matter.

Do you mean qemu-user-x86? That lacks futex() implementation so
wouldn't run anything more or less interesting... But yep, fixing that
would be a good task for someone young and ambitious to learn to
hack ;-).

> 
> Wookey
> -- 
> Principal hats:  Linaro, Emdebian, Wookware, Balloonboard, ARM
> http://wookware.org/

-- 
Best regards,
 Paul                          mailto:pmiscml at gmail.com