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Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types
From: |
David Woodhouse |
Subject: |
Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types |
Date: |
Wed, 20 Feb 2013 15:37:52 +0000 |
On Wed, 2013-02-20 at 16:34 +0100, Paolo Bonzini wrote:
> Il 20/02/2013 16:18, Laszlo Ersek ha scritto:
> >> > I'm beginning to wish I'd just ignored the fact that
> >> > we need a properly working "soft" reset to get back from 286 protected
> >> > mode to real mode, and wired up the damn PAM reset unconditionally. I'm
> >> > not convinced that the protected->real mode transition will work for
> >> > anyone anyway.
> > I believe currently we must be somewhere "between" soft reset & hard
> > reset. I estimate getting closer to a well-emulated hard reset is more
> > important than getting closer to a soft one. If you were to extend the
> > i440FX reset handler so that it unconditionally resets the PAMs, I'd
> > give my Rb. (Take it for what it's worth :))
>
> It would actually make sense. The right way to do soft reset has
> nothing to do with qemu_system_reset_request().
I've posted that version of the patch, with a suitable comment.
Thanks.
--
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- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, (continued)
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, Anthony Liguori, 2013/02/19
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, Paolo Bonzini, 2013/02/19
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, David Woodhouse, 2013/02/19
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, Anthony Liguori, 2013/02/19
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, David Woodhouse, 2013/02/19
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, Laszlo Ersek, 2013/02/20
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, Paolo Bonzini, 2013/02/20
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types,
David Woodhouse <=
- Re: [Qemu-devel] [SeaBIOS] [RFC PATCH] Distinguish between reset types, H. Peter Anvin, 2013/02/28
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, Anthony Liguori, 2013/02/20
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, Laszlo Ersek, 2013/02/20
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, David Woodhouse, 2013/02/20
- Re: [Qemu-devel] [RFC PATCH] Distinguish between reset types, Laszlo Ersek, 2013/02/20
- Re: [Qemu-devel] [edk2] [RFC PATCH] Distinguish between reset types, Paolo Bonzini, 2013/02/21
- Re: [Qemu-devel] [edk2] [RFC PATCH] Distinguish between reset types, David Woodhouse, 2013/02/21
- Re: [Qemu-devel] [edk2] [RFC PATCH] Distinguish between reset types, Laszlo Ersek, 2013/02/21
- Re: [Qemu-devel] [edk2] [RFC PATCH] Distinguish between reset types, David Woodhouse, 2013/02/21
- Re: [Qemu-devel] [edk2] [RFC PATCH] Distinguish between reset types, Anthony Liguori, 2013/02/21