On Wed, 16 Jun 2010, malc wrote:
> On Wed, 16 Jun 2010, Jan Kiszka wrote:
>
> > malc wrote:
> > > On Wed, 16 Jun 2010, Jan Kiszka wrote:
[..snip..]
> > >>
> > >> You need this for segmented addressing, either in real mode (linear
> > >> address = segment * 16 + offset) or in segmented protected mode (less
> > >
> > > Not true in general (big real mode), CPU still references hidden segment
> > > cache even when protection is enabled.
> ^^^^^^^ disabled
^^^^^^^ enabled
I need to get some proper sleep one of these days.. Sorry for the noise.
> > Unfortunately, the BIOS does not start in big real mode e.g...
>
> It's actually fortunate since there's no access whatsoever to the cache
> (on a real system that is)
>
>
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