Re: Atari TT (next)

[Alan Hourihane <alanh@fairlite.co.uk>]

On 09/01/12 00:05, Michael Schmitz wrote:
> Hi Alan,
>
>> I understand, but the STRAM allocator is broken. It gives out TT-RAM. It
>> should never do that on a TT.
> The ST-RAM allocator is used by a number of drivers, some of those
> could actually use TT-RAM fine. But making the allocator fail instead
> of returning TT-RAM would be an option.

Yes, adding a flag to say ONLY_STRAM would work. But the function itself
is called atari_stram_alloc()/free(). And if that goes allocating TT-RAM
there's a function name problem there. Very confusing.

>>> You may have to pare the kernel down to the bare minimum (i.e.
>>> modularize about everything you don't need to boot to initrd). Not
>>> sure where the limit for this is these days.
>> Already tried that. Still too big, because we need buffers from STRAM too.
> What buffers? Filesystem buffers should be fine in TT-RAM. atafb
> buffer requirement could be reduced by using a low-res video mode
> perhaps (just to get past this point initially).
>

I'll try again as I probably didn't try after getting past the
unexpected interrupt issue.

Alan.