From: Paul Brook <paul@codesourcery.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Meador Inge <meadori@codesourcery.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v1 3/4] hw: Deduce the default machine from the specified CPU model
Date: Tue, 28 Aug 2012 14:32:39 +0100 [thread overview]
Message-ID: <201208281432.40361.paul@codesourcery.com> (raw)
In-Reply-To: <CAFEAcA9qpgUHzqftGK6XxUp1q6-Z+c1fqgWWZDYSMO=p500z7w@mail.gmail.com>
> >> Just to pick an obvious example, you can't stick a core
> >> which supports VFPv4 (the A15 is the only one we have) into
> >> the integratorcp
> >
> > Yes you can.
>
> No you can't. integratorcp.c doesn't create the parts of the CPU
> which live in QEMU's 'a15mpcore_priv' device, so the resulting
> mess is liable to just fall over. If anybody reports bugs in
> QEMU in such a configuration I will tell them to go away and
> use a supported configuration instead.
The A15 core itself will work just fine. The core is completely independent
of the interrupt controller. Unlike the M profile cores where the NVIC is
inherently part of the CPU exception handling mechanism.
Paul
next prev parent reply other threads:[~2012-08-28 13:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-27 20:37 [Qemu-devel] [PATCH v1 0/4] Improve ARMv7-M architecture emulation Meador Inge
2012-08-27 20:37 ` [Qemu-devel] [PATCH v1 1/4] hw: Add support for loading ARMv7-M applications via -kernel Meador Inge
2012-08-28 12:43 ` Peter Maydell
2012-08-27 20:37 ` [Qemu-devel] [PATCH v1 2/4] target-arm: Make SYS_HEAPINFO work for ARMv7-M Meador Inge
2012-08-28 12:47 ` Peter Maydell
2012-08-27 20:37 ` [Qemu-devel] [PATCH v1 3/4] hw: Deduce the default machine from the specified CPU model Meador Inge
2012-08-27 20:47 ` Peter Maydell
2012-08-28 12:58 ` Paul Brook
2012-08-28 13:10 ` Peter Maydell
2012-08-28 13:32 ` Paul Brook [this message]
2012-08-28 13:54 ` Peter Maydell
2012-08-27 20:37 ` [Qemu-devel] [PATCH v1 4/4] hw: Add support for a dummy ARMv7-M board Meador Inge
2012-08-28 12:48 ` Peter Maydell
2012-08-28 16:11 ` Meador Inge
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