Re: Atari TT

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

On 01/04/12 20:53, Petr Stehlik wrote:
> Alan Hourihane píše v Wed 04. 01. 2012 v 20:43 +0000:
>>>>> The TT has 4MB STRAM and 128MB TT RAM.
>>>> The kernel, framebuffer, several I/O buffers, and probably
>>>> the ramdisc and what’s left from TOS/GEM before Linux takes
>>>> over all has to fit into it.
>>>>
>>>> I can verify that Linux 2.6.39 and 3.0 do NOT boot with only
>>>> 4 MiB of ST-RAM.
>>>>
>>> Ouch. Is it not possible to load all of this into TT RAM ?
> It should be but there can be issues with that.
>
>> O.k. there's the -s flag which tells the kernel to load into ST-RAM, so
>> I'm assuming omitting that loads the kernel into TT-RAM.
> Nope. There's another flag '-t' that tells the bootstrap to load kernel
> and/or ramdisk to the TT-RAM. If you omit both these parameters then
> there's some auto-detection going on, IIRC. Not sure what are the
> defaults so simply go ahead with the -t. It's been more than a decade
> when I last hacked on the bootstrap so forgive any inaccurate
> information, please.
>
That can't be right. Adding '-t' just disabled all of my TT-RAM.

Alan.