Subject: Re: xen & FPU
To: None <port-xen@NetBSD.org>
From: Matthias Scheler <tron@zhadum.de>
List: port-xen
Date: 03/18/2005 21:17:08
In article <20050318165855.GB6095@antioche.lip6.fr>,
Manuel Bouyer <bouyer@antioche.lip6.fr> writes:
> Well, is seems that the FPU stuff needs more work. From xen/i386/npx.c:
> int
> npxintr(void *arg, struct intrframe iframe)
> {
> struct cpu_info *ci = curcpu();
> struct lwp *l = ci->ci_fpcurlwp;
> union savefpu *addr;
> struct intrframe *frame = &iframe;
> struct npx_softc *sc;
> ksiginfo_t ksi;
>
> sc = npx_softc;
>
> uvmexp.traps++;
> IPRINTF(("%s: fp intr\n", ci->ci_dev->dv_xname));
> panic("not supported\n");
This code handles FPU exceptions, correct? Will each domain see its on
exception or has domain0 to handle them all?
Kind regards
--
Matthias Scheler http://scheler.de/~matthias/