TCP/IP and simulation was: Re: [SqNOS] Wiki link a SqueakSource

[Karl Ramberg]

I can look at the TCP/IP stuff. No promises...
How do I run SqueakNOS in VMWare or whatever on Windows ?
I don't have any money so I would need a free/gratis virtual machine option.

Karl


Gerardo Richarte wrote:
> karl ramberg wrote:
>   
>> I'm not much help here even if I want too :-)
>> But for the fun of it, what is needed for getting wireless network
>> access working on XO?
>>   
>>     
>     Well...
>
>     there are two completely different things to do, and then,
> two completely different venues to achieve them, plus variations:
>
> . We need TCP/IP and 802.11 working on SqueakNOS. We do have
> a TCP/IP implementation (NetSqueak by Luciano Notarfrancesco),
> and we know it's working up to some point. However, it has never
> been fully integrated into Squeak (you can open TCP connections,
> both incoming and outgoing, but the programing interface is not
> the standard Squeak API, so we need to glue the two things
> together). Then, even if TCP/IP is working, we need to have 802.11
> support, but this, I think, is not too much.
>
> . Then, we need hardware support. For this, we can either implement
> everything in Squeak (as it should be!), or piggy back on top of what
> OpenFirmware exposes. In the latter case, we could also piggy back,
> somehow, on the TCP/IP implementation from OpenFirmware, or maybe
> only on its 802.11 implementation, and put our TCP/IP on top of it.
>
> Any of the options would get us WiFi working. We could start with the
> simplest, and move to the more complete full-Squeak implementation.
>
> Now. what specific things could somebody do to help? many!
>
> Separated by resource and skills needs:
>
> 1. Make TCP/IP as it is today in SquealNOS work: Although it does work now,
> we need to further test it in the real world, and, more important, glue it
> to Squeak's TCP/IP API. How to do it?
>
> Either get a computer with a Realtek 8139 or use VMWare with an emulated
> LancePCI card, and get the WebBrowser and VNC clients/server in Squeak to
> work... without any modifications to them, just modifying SqueakNOS' TCP/IP
> implementation, and adding some glue code. To start this, no other knowledge
> than Squeak is required, some TCP/IP may help (specially if things don't
> work).
> No special hardware is required if you are going to use VMWare. And this
> step
> is important not only to get WiFi, but also for many many purposes (having
> TCP/IP working is very important, of course, but I'm thinking on remote
> storage,
> for example).
>
> 2. Start working on the WiFi low level driver. i.e. write the "device
> driver".
> Using the two ethernet drivers (Realtek8139 and LancePCI32), write a driver
> for the WiFi card in the OLPC. I think this card is USB, and USB is not
> really
> working on SqueakNOS, so USB is needed first. In any case, before even
> starting, we need to collect information on the API for the WiFi card, and
> that won't be easy, although the Forth sources for OpenFirmware should
> have all and every information needed (as well as the Linux sources for
> the Linux in the OLPC... I guess). Just collecting and understanding the
> needed information is a huge task, and something very valuable if anybody
> wants to do it.
>
> 3. Work on using OpenFirmware's services (callout API) to access the WiFi
> card (and maybe TCP/IP). I've been working on this API, and we already
> have a start on this front, but some details have to be solved before it
> can be really used (that's the thread titled "ColaNOS" on this same list).
> After polishing this details, we'll have to learn to use this callout
> API, and
> that's also a space where somebody could start collecting information.
>
>     Ok, gotta run now... but as you can see, I have a picture on
> different things
> that could be done, if anybody wants to jump in to help, I will help help :)
>
>     richie
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