[OpenBIOS] [Qemu-devel] OpenBIOS release

[Laurent Vivier]

Le 1 mars 09 à 20:19, François Revol a écrit :

>> On 3/1/09, François Revol <revol at free.fr> wrote:
>>>> Hi,
>>>>
>>>> I think we are pretty much ready for the 1.0 release of
>>>> OpenBIOS.
>>>> I'll
>>>> bump the version number, update the web pages and upload the
>>>> image
>>>> files also to Qemu within a few hours, unless there are
>>>> objections.
>>>
>>>
>>> Does this one support -nographics ?
>>
>> Yes.
>>
>>> Also, while I got a binary that makes the Haiku loader go a little
>>> further, it's not booting yet, though I can't assert if it's
>>> OpenBIOS
>>> or the loader.
>>>
>>> AFAIK it actually used to boot long ago on Pegasos, so it should
>>> still
>>> do more than currently.
>>
>> This is what I get with Haiku:
>> 0 > boot
>>
>> checking for memory...
>> 0: base = 0x00000000, size = 134217728
>> 1: empty region
>> total physical memory = 128 MB
>> suggested page table size = 1048576
>> need new page table, size = 1048576!
>> new table at: 0x07d00000
>> MSR: 0x00003030
>> found 4 translations
>> found page table!
>> no mapping for the exception handlers!
>>
> Laurent Vivier handed me a binary which prints a little more:
>
> checking for memory...
> 0: base = 0x00000000, size = 134217728
> 1: empty region
> total physical memory = 128 MB
> suggested page table size = 1048576
> need new page table, size = 1048576!
> new table at: 0x07d00000
> MSR: 0x00003030
> found 6 translations
> found exception handlers!
> found page table!
>
> Don't know exactly what he changed.

I've added a translation for vectors page, I didn't commit it because  
it doesn't solve all the problems with haiku bootloader.

>
> Though it still seems to hand in set-callbacks.

In fact, I think it hangs later, but I didn't have time to search why.

Regards,
Laurent