[OpenBIOS] Booting SunOS from OpenBIOS

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Thu Apr 4 22:45:14 CEST 2013

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 



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