From: Anthony Liguori <anthony@codemonkey.ws>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: KQEMU code organization
Date: Thu, 29 May 2008 12:48:06 -0500 [thread overview]
Message-ID: <483EEC56.4030203@codemonkey.ws> (raw)
In-Reply-To: <483EDF80.3060003@siemens.com>
Jan Kiszka wrote:
> Anthony Liguori wrote:
>
>>
>> It wouldn't be too bad if you focused on kqemu-user and limited yourself
>> to UP guests. The first step would be getting the existing KVM support
>> code to function with TCG. For instance, use TCG to run 16-bit code,
>> and then KVM to run 32/64-bit code. Once that was all worked out, the
>> rest would be pretty straight-forward porting and code cleanup.
>>
>
> I guess you mean real-mode code with 16-bit here. /me always wondered
> why it takes an in-kernel code interpreter for kvm to achieve this - at
> least as long as it runs via qemu.
>
We don't use an in-kernel interpreter, we use vm86 mode for 16-bit
code. There is an in-kernel interpreter (x86_emulate) but that is used
mostly for handling shadow page table faults.
Regards,
Anthony Liguori
> Jan
>
>
next prev parent reply other threads:[~2008-05-29 17:48 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-27 16:56 [Qemu-devel] KQEMU code organization Jan Kiszka
2008-05-27 17:20 ` Ben Taylor
2008-05-27 18:25 ` [Qemu-devel] " Jan Kiszka
2008-05-27 20:58 ` [Qemu-devel] " Fabrice Bellard
2008-05-27 21:40 ` [Qemu-devel] " Jan Kiszka
2008-05-27 22:11 ` [Qemu-devel] " Fabrice Bellard
2008-05-28 16:02 ` [Qemu-devel] " Jan Kiszka
2008-05-28 16:37 ` Fabrice Bellard
2008-05-28 16:55 ` Jan Kiszka
2008-05-28 18:34 ` Jan Kiszka
2008-05-29 12:29 ` Fabrice Bellard
2008-05-29 13:16 ` Jan Kiszka
2008-05-29 16:13 ` Jamie Lokier
2008-05-29 16:26 ` Paul Brook
2008-05-29 16:35 ` Jamie Lokier
2008-05-29 17:43 ` Anthony Liguori
2008-05-29 21:46 ` Fabrice Bellard
2008-05-30 3:32 ` Mulyadi Santosa
2008-05-30 8:14 ` Andreas Färber
2008-05-29 16:26 ` Anthony Liguori
2008-05-29 16:53 ` Jan Kiszka
2008-05-29 17:48 ` Anthony Liguori [this message]
2008-05-31 10:18 ` Avi Kivity
2008-06-02 16:34 ` Jamie Lokier
2008-05-29 21:52 ` Fabrice Bellard
2008-05-31 10:06 ` Avi Kivity
2008-06-01 22:58 ` Anthony Liguori
2008-06-02 9:02 ` Fabrice Bellard
2008-06-02 13:25 ` Anthony Liguori
2008-05-29 16:48 ` Jan Kiszka
2008-05-29 17:47 ` Anthony Liguori
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