[okl4-developer] Some Questions on 2.1

[Geoff White]

On Wed, Apr 23, 2008 at 2:53 AM, Abi Nourai <anourai at ok-labs.com> wrote:

> On 23/04/2008, at 12:57 AM, Geoff White wrote:
>
> > Team,
> > Congratulations on the 2.1 release!
> > I'm sure we are all looking forward to the fixes and features.
> >
> >
> Thanks Geoff.  Glad to know you've been looking forward to the release.
>
>  Some questions?
> >
> > 1.    Does this release support any intel multicore architecture? If
> > not, are you guys working on this?
> >
>
> This release does not take advantage of multi-processing.  We are not only
> working on this, but already have SMP-capable versions of OKL4 deployed in
> customers' hands.  We'll certainly be integrating this into the community
> releases as soon as possible, but cannot commit to a date.  Are you in need
> of SMP support immediately ?  What kind of use case do you have in mind for
> an SMP-enabled version of OKL4 ?


I've got a version of Scheme running under an OKLinux thread.  I'm very
interested in getting a version of Erlang running that can fully take
advantage of an SMP architecture running under (OK)L4.  L4 has feature that
would be very desirable for this type of thing...

* Fast context switching time
* Very fast IPC
* Good thread model

Maybe the Erlangers at Ericsson (or where ever they are hacking at now) are
already working on this but I figured it would be a good project for me to
delve deeply into L4 and functional programming with an eye to building a
system that could be "embedded" into a Intel SMP platform

<snip...>

>
>
> > 3.    Is there any driver development documentation?
> >
>
> There's some actively in the works and we're pushing to get this out ASAP.
>  I think you'll be pretty pleased with the driver documentation we're
> preparing.  There's not only a pretty comprehensive reference manual, but
> also a tutorial that leads you through a real-world example.
>
>
> > 4.    Is there a framework to support DMA devices in this release?
> >
>
> OK Linux has been enhanced to support DMA-enabled native drivers.  Or are
> you interested in specific support for the OKL4-based driver framework ?
>



I'm interested in getting drivers working for intel e1000 or Broadcom NIC
chipsets.  There are Linux drivers available for these devices (e1000 and
tg3) and It would be nice if I could leverage them in some way.
If you have an 8 core Erlang machine, it's kinda lame to connect it to the
network via pc32  or Lance ;)
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