Re: [Qemu-devel] ChrEMU - Virtualization in the Browser

[Anthony Liguori]

On Sep 23, 2013 8:46 AM, "Stefan Hajnoczi" <address@hidden> wrote:
>
> On Tue, Sep 10, 2013 at 08:08:22PM -0400, Joey Carlini wrote:
> > I managed to get QEMU running on a Crouton install, virtual box not being
> > possible with the Chrome OS kermel with the KVM mods required, and even a
> > couple distros running. Since I enjoy pain and/or haven't done enough cool
> > things to be called a badass dev, I figured, why not try building QEMU into
> > a Chrome app, now that packaged apps are a thing, and native client allows
> > for C code to run within the browser, letting an entire VM run on a stock
> > Chromebook.
>
> QEMU isn't pure C code and effort would be required to make it run under
> Native Client.
>
> I've never used Native Client but I think its machine code verifier
> checks the application to ensure that control flow is safe.  In other
> words, low-level things that QEMU does like code generation or stack
> switching are probably not allowed under Native Client since they are
> unsafe!

I'm pretty sure coroutines would provide difficult to port too.

Regards,

Anthony Liguori

> Maybe I'm wrong and it's possible, but the first thing to check is the
> constraints that Native Client puts on the application code.
>
> Stefan
>