Hi Michael,
On Tue, Apr 1, 2014 at 9:39 AM, schmitz
<schm...@biophys.uni-duesseldorf.de> wrote:
>> On Mon, Mar 31, 2014 at 11:24 PM, Michael Schmitz <schmitz...@gmail.com>
>> wrote:
>>> 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 ...
>>
>> "get_bi_record BI_MEMCHUNK" will return a pointer to the first mem_info
>> struct.
>
> Yep, that's as far as I got - if I read bootinfo.h right, this will need to
> have an offset of 12 bytes added to get to the size member, correct?
Nope, only 4. A0 points to the bootinfo record payload, which is of
type struct mem_info * in this case:
movew %a0@(BIR_SIZE),%d0
lea %a0@(BIR_DATA),%a0
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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