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Date: Wed, 16 Jun 2010 13:43:29 +0400 (MSD)
From: malc <av1474@comtv.ru>
Subject: Re: [Qemu-devel] Re: [Bug 581353] Re: qemu doesn't stop execution
	upon hitting a breakpoint
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To: Jan Kiszka <jan.kiszka@web.de>
Cc: chimeranet89@gmail.com, qemu-devel@nongnu.org, Jun Koi <junkoi2004@gmail.com>

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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