[OpenBIOS] Sparc64 OpenBIOS

[Nick Couchman]

> Ah - cool. What I'd suggest doing is, right after getting to the ok 
> prompt on boot -H:
> 
> ok see do-boot

Hmmm...not really working for me.  I don't know that I'm actually at the "ok" prompt - I see the word "ok" output to the screen, but the prompt is actually "0> " and not okay.  When I try "see do-boot", I get "do-boot: undefined word."  Furthermore, almost none of the other commands work, either - get-bootdev, load-pkg, etc., all return "undefined word."

Just to make sure I didn't leave anything out before, I'm running qemu-system-sparc64 (from the Qemu git repo), using OpenBIOS built from the svn repository.  If there's something else I should be trying, please let me know.

Thanks,
Nick

> 
> What you should see is something like what's in the boot.fth from 
> opensolaris:
> http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/psm/stand/bootb
> lks/common/boot.fth
> 
>     657 : do-boot ( -- )
>     658    parse-bootargs
>     659    halt?  if
>     660       ." Halted with -H flag. " cr
>     661       exit
>     662    then
>     663    get-bootdev
>     664    load-pkg
>     665    mount-root
>     666    zflag?  nested? invert  and  if
>     667       fs-name$  open-zfs-fs
>     668    then
>     669    load-file                        ( virt )
>     670    setup-props
>     671    exec-file                        (  )
>     672 ;
> 
> So, we've already parsed bootargs, let's do the rest of the method 
> manually (skipping zflag stuff, because I presume on a cdrom you don't 
> have zfs).
> 
> ok false to halt?      \ undo the -H flag just for the heck of it
> ok get-bootdev
> ok load-pkg
> ok mount-root
> ok load-file
> ok setup-props
> ok exec-file
> 
> Somewhere in there you'll see failures, which will give you a better 
> feel for what's going wrong. Once you figure out which one it is, repeat 
> the process, but manually executing the method which caused problems. 
> This would be easier with a debugger, but it's still possible without it.




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