Perry E. Metzger wrote:
> There has to be a better/more certain way. (If there isn't then we
> should create one.)

According to quick grep through sys/arch/*/*/autoconf.c for
config_rootfound(), most archs use 'mainbus'. acorn26 uses
four other 'roots' - cpu, iobus, arcvideo, podulebus.
evbppc/walnut uses another root - 'plb'. sbmips uses 'zbbus'
instead of 'mainbus'.

Jaromir 

> 
> Perry
> 
> Jaromir Dolecek <jdolecek@netbsd.org> writes:
> 
> > i386 checks for config root via config_rootfound("mainbus", NULL),
> > so I guess the answer is yes at least on i386. I think most
> > of other archs use 'mainbus' pseudo bus as root, too.
> > 
> > Jaromir
> > 
> > Emmanuel Dreyfus wrote:
> > > > Root is mainbus0
> > > 
> > > Always? Walking the device list searching for mainbus0 is considered
> > > safe?
> > > 
> > > -- 
> > > Emmanuel Dreyfus
> > > UNIX *is* user friendly. It is just a bit selective about his friends
> > > manu@netbsd.org
> > > 
> > 
> > 
> > -- 
> > Jaromir Dolecek <jdolecek@NetBSD.org>            http://www.NetBSD.org/
> > -=- We should be mindful of the potential goal, but as the tantric    -=-
> > -=- Buddhist masters say, ``You may notice during meditation that you -=-
> > -=- sometimes levitate or glow.   Do not let this distract you.''     -=-
> > 
> 
> -- 
> Perry E. Metzger		perry@piermont.com
> 


-- 
Jaromir Dolecek <jdolecek@NetBSD.org>            http://www.NetBSD.org/
-=- We should be mindful of the potential goal, but as the tantric    -=-
-=- Buddhist masters say, ``You may notice during meditation that you -=-
-=- sometimes levitate or glow.   Do not let this distract you.''     -=-