Re: [Qemu-devel] KQEMU on Win32 (+patch)

From: Hetz Ben Hamo <hetzbh@gmail.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] KQEMU on Win32 (+patch)
Date: Thu, 28 Jul 2005 00:18:29 +0200	[thread overview]
Message-ID: <41e41e7a05072715181794615a@mail.gmail.com> (raw)
In-Reply-To: <42E804E2.8000605@reactos.com>

I've updated my QEMU download section: http://qemu.dad-answers.com/download/

Your binaries are there now (under the win32 directory)

Thanks,
Hetz

On 7/28/05, Filip Navara <navaraf@reactos.com> wrote:
> Hi,
> 
> as there were recently few questions about KQEMU I decided to dedicate
> few minutes at answering them and to post a few comments.
> 
>  > I'm trying to find out why qvm86 crashes the host (instant reboot
> when right clicking on some icons on the guest desktop).
>  > So i thought if it is possible to use some code from kqemu-win32.c to
> update qvm86-win32.c
> 
> No, I wrote both of the files and I can honestly tell you that copying
> between them will not help. There is one known case where QVM86 on WinNT
> platforms crashes the host machine and that's when NOEXECUTE support is
> enabled (see boot.ini). The method QVM86 uses for executing the code
> involves copying executable code into an allocated page which
> unfortunately has the NX bit set. I have an experimental fix for this,
> but I need someone with adequate environment (AMD64 and Win XP SP2+) to
> test it... Of course host crash can be caused by other bug.
> 
> (Also note that this may apply to KQEMU too though I have no proof.)
> 
>  > The changelog mentions that the KQEMU accelerator is now available as
>  > a preliminary executable for Windows. I've not been able to find a
>  > link to that version anywhere. Should I pull down the sources and
>  > compile on my Linux machine, or is there a pre-compiled version about?
> 
> You can compile it yourself on either Windows machine with MinGW or on
> linux machine with MinGW cross-compiler. I'm temporary hosting a set of
> QEMU / KQEMU 0.7.1 for Windows binaries here:
> http://www.volny.cz/xnavara/qemu-0.7.1.zip. If anyone can offer me
> hosting for these binaries I would be glad.
> 
> As a final note (especially for Fabrice), attached are patches for KQEMU
> for easier driver installation (quite not there yet, but a bit closer)
> and implementation of kqemu_schedule (as requested). I'm planing to port
> this to QVM86 shortly.
> 
> Best regards,
> Filip
> 
> 
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> 
>