Re: [PATCH 0/4] Atari kernel-in-FastRAM patches, take three

Michael Schmitz
2014-03-31T21:24:11Z

Andreas,

do we know the size of the first memory chunk early enough in head.S?
Maybe it's time to increase INIT_MAPPED_SIZE at least in cases where
we know that there's more than 4 MB in the first memchunk ...

Cheers,

Michael

On Tue, Apr 1, 2014 at 9:58 AM, Andreas Schwab <schwab@linux-m68k.org> wrote:
> Michael Schmitz <schmitzmic@gmail.com> writes:
>
>> see attached. I may have disabled nfcon entirely - usually I use
>> parallel debug with ARAnyM.
>
> Thanks, with debug=par early printk is working. So the problem is that
> kernel-in-FastRAM does not solve the kernel-too-big/FastRAM-too-big
> problem, since the page tables for the first node (== FastRAM) memory
> must still fit in INIT_MAPPED_SIZE (== 4Mb) - kernel-size.
>
> Andreas.
>
> --
> Andreas Schwab, schwab@linux-m68k.org
> GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
> "And now for something completely different."