From: Scott Wood <scottwood@freescale.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Christoffer Dall <cdall@cs.columbia.edu>,
tech@virtualopensystems.com, qemu-devel@nongnu.org,
android-virt@lists.cs.columbia.edu,
linaro-toolchain@lists.linaro.org
Subject: Re: [Qemu-devel] [Android-virt] plans for QEMU support for KVM on ARM
Date: Mon, 28 Nov 2011 14:51:13 -0600 [thread overview]
Message-ID: <4ED3F441.10608@freescale.com> (raw)
In-Reply-To: <CAFEAcA9nf8FkA5Yt2_3cQfaXyg=qfA+zNj_q0zeT=e06w6_QQw@mail.gmail.com>
On 11/24/2011 03:27 PM, Peter Maydell wrote:
> If it doesn't make sense to hand off cp15 accesses that's fine,
> though -- I want to do this refactoring for the A15 system mode
> implementation in qemu anyway, because I really don't think we
> should try to shoehorn in yet another cpu implementation into the
> current set of switch statements...
>
> It looks (from a brief glance at the code) like ppc kvm does
> handoff-to-qemu with the DCRs, incidentally.
Not for SPRs, though, which may be more analogous to ARM's cp15 (and are
where timers are implemented).
DCRs are more like the the PPC 4xx family's version of x86 I/O ports.
-Scott
prev parent reply other threads:[~2011-11-28 20:51 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-22 14:44 [Qemu-devel] plans for QEMU support for KVM on ARM Peter Maydell
2011-11-22 15:05 ` [Qemu-devel] [Android-virt] " Alexander Graf
2011-11-22 15:19 ` Peter Maydell
2011-11-23 8:45 ` Paolo Bonzini
2011-11-23 8:55 ` Peter Maydell
2011-11-23 7:50 ` [Qemu-devel] " Jubi Taneja
2011-11-23 8:59 ` Peter Maydell
2011-11-24 20:11 ` [Qemu-devel] [Android-virt] " Christoffer Dall
2011-11-24 21:27 ` Peter Maydell
2011-11-24 22:02 ` Christoffer Dall
2011-11-24 23:06 ` Peter Maydell
2011-11-24 23:10 ` Alexander Graf
2011-11-24 23:11 ` Peter Maydell
2011-11-24 23:12 ` Alexander Graf
2011-11-24 23:21 ` Christoffer Dall
2011-11-29 18:16 ` Peter Maydell
2011-11-29 18:22 ` Christoffer Dall
2011-11-24 23:08 ` Alexander Graf
2011-11-28 20:51 ` Scott Wood [this message]
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