From: Paolo Bonzini <pbonzini@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>, Ljun <1275151072@qq.com>
Cc: qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Why does qemu not support qemu-system-armeb?
Date: Sun, 15 Jun 2014 15:58:53 +0200 [thread overview]
Message-ID: <539DA69D.9070801@redhat.com> (raw)
In-Reply-To: <CAFEAcA-4Q18QfF7eodDHo6ePbRquO-2wLSxzc+WhZ1pqNmCOvw@mail.gmail.com>
Il 15/06/2014 11:08, Peter Maydell ha scritto:
> On 14 June 2014 14:49, Ljun <1275151072@qq.com> wrote:
>> Hello everyone,I am working on big endian for arm.I change the qemu
>> configure and create a qemu-system-armeb,but I want to know qemu whether
>> support armeb-softmmu.
>
> The answer to "why is there no qemu-system-armeb" is in two parts:
>
> (1) We don't support big-endian system emulation. There would need
> to be work done to implement this beyond just enabling an extra
> configuration.
>
> (2) If we did support big-endian system emulation, the right way
> to implement this would be to keep it in qemu-system-arm, and
> just have the CPU support the various control bits (SCTLR.B,
> SCTLR.EE, CPSR.E, etc).
Also, I have redone my setend patches to support SCTLR.B too, but I have
yet to submit them. I have no idea how to test them. :)
Paolo
next prev parent reply other threads:[~2014-06-15 13:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-14 13:49 [Qemu-devel] Why does qemu not support qemu-system-armeb? Ljun
2014-06-15 9:08 ` Peter Maydell
2014-06-15 13:58 ` Paolo Bonzini [this message]
[not found] ` <tencent_10F11DF35D1B1C76206D9165@qq.com>
2014-06-16 14:52 ` [Qemu-devel] =?gb18030?b?u9i4tKO6UmU6IFdoeSBkb2VzIHFlbXUgbm90IHN1?= =?gb18030?q?pport_qemu-system-armeb=3F?= Paolo Bonzini
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