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Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatib
From: |
Gleb Natapov |
Subject: |
Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility |
Date: |
Wed, 3 Oct 2012 15:27:55 +0200 |
On Wed, Oct 03, 2012 at 03:19:56PM +0200, Paolo Bonzini wrote:
> Il 03/10/2012 12:57, Lucas Meneghel Rodrigues ha scritto:
> > Yep, I did send patches with the testdev device present on qemu-kvm.git
> > to qemu.git a while ago, but there were many comments on the review, I
> > ended up not implementing everything that was asked and the patches were
> > archived.
> >
> > If nobody wants to step up to port it, I'll re-read the original thread
> > and will spin up new patches (and try to go through the end with it).
> > Executing the KVM unittests is something that we can't afford to lose,
> > so I'd say it's important on this last mile effort to get rid of qemu-kvm.
>
> Absolutely, IIRC the problem was that testdev did a little bit of
> everything... let's see what's the functionality of testdev:
>
> - write (port 0xf1), can be replaced in autotest with:
> -device isa-debugcon,iobase=0xf1,chardev=...
>
kvm-unit-tests no longer uses 0xf1 for output. It uses serial.
> - exit code (port 0xf4), see this series:
> http://lists.gnu.org/archive/html/qemu-devel/2012-07/msg00818.html
>
> - ram size (port 0xd1). If we can also patch kvm-unittests, the memory
> is available in the CMOS or in fwcfg. Here is the SeaBIOS code:
>
> u32 rs = ((inb_cmos(0x34) << 16) | (inb_cmos(0x35) << 24));
> if (rs)
> rs += 16 * 1024 * 1024;
> else
> rs = (((inb_cmos(0x30) << 10) | (inb_cmos(0x31) << 18))
> + 1 * 1024 * 1024);
>
> The rest (ports 0xe0..0xe7, 0x2000..0x2017, MMIO) can be left in testdev.
>
> Paolo
--
Gleb.
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Anthony Liguori, 2012/10/01
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Jan Kiszka, 2012/10/01
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Gleb Natapov, 2012/10/03
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Lucas Meneghel Rodrigues, 2012/10/03
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Paolo Bonzini, 2012/10/03
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility,
Gleb Natapov <=
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Jan Kiszka, 2012/10/04
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Lucas Meneghel Rodrigues, 2012/10/04
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Jan Kiszka, 2012/10/04
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Lucas Meneghel Rodrigues, 2012/10/04
- Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Jan Kiszka, 2012/10/04
Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Marcelo Tosatti, 2012/10/01
Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility, Paolo Bonzini, 2012/10/01