lkml.org 
[lkml]   [2003]   [May]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Use correct x86 reboot vector
On Sun, 11 May 2003, Eric W. Biederman wrote:

> The remapping is quite common but it usually happens that after bootup:
> 0xf0000-0xfffff is shadowed RAM. While 0xffff0000-0xffffffff still points
> to the rom chip.
>
> Now if someone could tell me how to do a jump to 0xffff0000:0xfff0 in real
> mode I would find that very interesting.

Have you ever heard about unreal mode ? But I do not think that a reset
has to start over there. I do not think that exist hw/sw that expect that
reset address to be 0xfffffff0 instead of 0x000ffff0, since they map the
same content.


- Davide

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:35    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site