Re: [rfc] Query Red Boot's i386 CPU id

[Daniel Jacobowitz <drow@mvista.com>]

On Fri, Aug 30, 2002 at 12:57:24AM +0200, Mark Kettenis wrote:
> I haven't looked at the patch too closely yet but:
> 
> Eli Zaretskii <eliz@is.elta.co.il> writes:
> 
> > > - a command to query the cpuid (info cpu).
> > > 
> > > The actual CPU information is determined using a small file database 
> > > (installed in ..../share/gdb/i386-cpuid).
> > > 
> > > Comments on how this was implemented, and what, if anything, could be 
> > > integrated into GDB, welcome.
> > 
> > A few comments:
> > 
> >   (1) Why is this feature implemented for remote targets only?  Why is 
> >       the database of CPU ids installed only for embedded builds?
> 
> Seconded.  I'm getting wild ideas of downloading the cpuid code to the
> target, executing it there, and fetching the return value, and use
> that to e.g. select whether it makes sense to do MMX or SSE :-).

[Makes me a little nervous to randomly execute code on the target...
have you ever accidentally (or deliberately!) connected the wrong arch
gdb?]

I'm against the separate database file however.  Can we generate a C
table from it, the way we do other data?

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer