Re: HP 9000 / 710

Making, drinking tea and reading an opus magnum from Miod Vallat:
> > >> OpenBSD/hppa BOOT 0.8
> > boot>boot
> > booting dk0a:/bsd: 1589520+2650112+376832=0x663158
> > SPID bits: 0x0, error = -2
> > pdc_coproc: 0xc0, 0xc0
> > WARNING: no HPT support, fine!
> > [ bsd ELF symbol table not valid: symtab unaligned ]
> > [ bsd symbol table has bad string table address 0x7fb37c4a ]
> > [ no symbol table formats found ]
> > 
> > Here the machine stopps. So I think it is not supported.
> 
> You're pretty unlucky. 720 goes slightly further, at least to the point
> where you can play hangman in ddb.
> 
> > The following systems may eventually work:
> > 
> >     * PA7000-based machines: 705, 710, 720, 730, 750
> > 
> > Any chance to get the machine working in the future?
> 
> I am supposed to be working on this since years, but did not really
> spend much time on it recently, though I keep tinkering from time to
> time.
> 
> > Anything I can do to help?
> 
> Write correct PCXS tlb handlers - right now the locore code uses the
> PCXT and up tlb handlers, which are incorrect for this CPU model.

the problem does not seem to be in the tlb handlers as it seems
since 720 as you said goes into virtual... besides they insert the
xlations into the right tlbs anyway. there is a need to deal w/
a split BTLB of course if that's what you mean...

cu

-- 
    paranoic mickey       (my employers have changed but, the name has remained)