[OpenBIOS] Booting SunOS from OpenBIOS

Artyom Tarasenko atar4qemu at gmail.com
Fri Apr 5 09:35:36 CEST 2013

On Thu, Apr 4, 2013 at 10:45 PM, Mark Cave-Ayland
<mark.cave-ayland at ilande.co.uk> wrote:
> On 04/04/13 21:32, Mark Cave-Ayland wrote:
>>> SunOS crashes at the same place as with your previous patch. (Which is
>>> probably a good sign).
>>> There is one interesting thing when I try to boot kadb:
>>> OFMEM: ofmem_claim phys=ffffffffffffffff size=00001000 align=00001000
>>> OFMEM: ofmem_claim_virt virt=00000000 size=00001000 align=00001000
>>> OFMEM: ofmem_map_page_range ffc66000 -> 006f7a000 00001000 mode 000000bc
>> So 0xffc66000 must be being returned back to client for it to use during
>> subsequent calculations...
> Actually there is another option - does the previous allocation before this
> one that returns 0xffc67000 as the virtual address? In that case it could
> indicate that va=0x0 doesn't have a special meaning after all.
> Is it possible for you to post the complete log output from an unpatched
> OpenBIOS for us to look at so we can see the complete pattern of
> allocations?

The with the unpatched one it dies pretty early, right after claiming va=0x0.
See the the attachment.

Artyom Tarasenko

linux/sparc and solaris/sparc under qemu blog:
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