Subject: Re: callgraph ARM7
To: Ben Harris <firstname.lastname@example.org>
From: Richard Earnshaw <email@example.com>
Date: 09/26/2001 20:45:31
> On Wed, 26 Sep 2001, Reinoud Zandijk wrote:
> > I'll also try to investigate the statclock stuff... what about FIQ for
> > statclock?
It wouldn't be a good idea to use FIQ for statclock anyway, it's just not
> The right thing to do (on IOMD systems, at least) is to use IOMD timer 1
> as the statclock, like arm26 does. See cpu_initclocks() and
> ioc_irq_statclock() in sys/arch/arm26/iobus/ioc.c for an example. There's
> a similar scheme in sys/arch/sparc/sparc/clock.c.
Last time I tried turning this on I got random machine lock-ups. I wasn't
able to find out why.