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From: | Ilyes Gouta |
Subject: | Re: [Qemu-devel] Linux framebuffer emulation in qemu linux-user |
Date: | Thu, 9 Sep 2010 22:07:38 +0100 |
> Well, actually I'd like to run sh4 binaries in linux-user mode, where theseNo, but it could be possible to convert the DirectFB ioctl structures
> are actually DirectFB applications which rely on the standard Linux
> framebuffer to display things.
> In my use case, I'd like to route these ioctl in qemu to be handled by the
> SDL back-end (or even a DirectFB instance running on the host) instead of
> being dispatched to the native framebuffer driver, running on the host.
> Is this feature available in the current qemu code base?
between guest and host. Other ioctls are translated this way. I guess
nobody has cared about framebuffer support yet.
See linux-user/ioctls.h.
> Thanks,
> -Ilyes
>
> On Thu, Sep 9, 2010 at 9:28 PM, Blue Swirl <address@hidden> wrote:
>>
>> On Thu, Sep 9, 2010 at 8:19 PM, Ilyes Gouta <address@hidden> wrote:
>> > Hi,
>> > Is it possible, as of today, to emulate a classic Linux framebuffer when
>> > using qemu linux-user mode?
>> > At a first glance, I saw in the code that
>> > FBIOGET_FSCREENINFO, FBIOGET_VSCREENINFO and FBIOPUT_VSCREENINFO being
>> > declared by couldn't locate where they're handled. Are these hooked to
>> > the
>> > SDL back-end?
>>
>> SDL is only used for system emulation. It should be possible to add
>> conversions (for example, from PPC 32 bit BE to x86_64 64 bit LE) for
>> FB ioctls in order to pass them to the host FB device. But what would
>> be the use case for this?
>
>
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