[Qemu-devel] Re: OBP under qemu-system-sparc64

[Blue Swirl <blauwirbel@gmail.com>]

On 4/28/10, Artyom Tarasenko <atar4qemu@googlemail.com> wrote:
> 2010/4/21 Artyom Tarasenko <atar4qemu@googlemail.com>:
>
> > What is actually the closest sun4u model that qemu emulates?

At least Ultra-5 and Netra-T1.

> I'll put it the other way round then:
>  Does qemu sun4u have anything in common with any real sun4u machine?
>  Like PCI/EBUS/Serial addr?

Not exactly, for example EBUS should be behind one of the PCI bridges.
I haven't moved it there, because PCI probing in OpenBIOS does not
handle that case yet. It's also a bit unclear to me whether the PCI
bridges work correctly in QEMU.

>  > Since it's a pci one I gave Ultra-5's OBP a shot, but it also dies
>  > before the serial console is initialized:
>  >
>  > $ sparc64-softmmu/qemu-system-sparc64 -bios
>  > /home/tyom/sparc/prom/u5_v3.19.4.bin -nographic -d in_asm,int,cpu
>  > #### skip unassigned mem access to 000001fff1000010
>  > #### skip unassigned mem access to 000001fff1000014
>  > #### skip unassigned mem access to 000001fff1710000
>  > #### skip unassigned mem access to 000001fff1710004
>  > #### skip unassigned mem access to 000001fff1710008
>  > #### skip unassigned mem access to 000001fff1300398
>  > #### skip unassigned mem access to 000001fff130015c
>  > #### skip unassigned mem access to 000001fff130002e
>  > <hang>
>
>
>  --
>  Regards,
>  Artyom Tarasenko
>
>  solaris/sparc under qemu blog: http://tyom.blogspot.com/
>