Re: Atari TT (next)

Alan Hourihane
2012-01-08T14:43:05Z

On 08/01/12 13:36, Andreas Schwab wrote:
> Alan Hourihane <alanh@fairlite.co.uk> writes:
>
>> Now the next problem is that the console is all corrupted because atafb
>> initializes and shows this...
>>
>> atafb_init: start
>> atafb_init: initializing TT hw
>> atafb: screen_base 0046e000 real_screen_base 0046e000 screen_len 311296
>> Determined 640x480, depth 4
>> virtual 640x972
>>
>> Now, that screen_base is above 4MB, and I've only got 4MB STRAM.
> screen_base is a virtual address, the physical address is actually
> 0x146e000.

I thought that might be the case, given the TTRAM segment offset. But
still, it's in the wrong area.

>> But there's also this further up the boot log.
>>
>> Ignoring memory chunk at 0x0:0x400000 before the first chunk
> Since 12d810c1b8c2b913d48e629e2b5c01d105029839 (m68k: discontinuous
> memory support) there is no longer support for memory regions with
> physical addresses that are out of order. Before that, if the kernel
> was loaded to TT-RAM the ST-RAM was virtually mapped just after TT-RAM.
>

Thanks for the pointer.

Alan.