Re: porting linux to DSP

John P. Looney (jplooney@compapp.dcu.ie)
Tue, 27 Jul 1999 09:14:42 +0100

On Tue, Jul 27, 1999 at 03:59:21AM +0200, Ingo Oeser mentioned:
> On Tue, 27 Jul 1999, Steve Underwood wrote:
> > Real time OSes do exist for some DSPs (e.g. SPOX), but they are _very_ much
> > specialist DSP OSes, and they ain't too pretty.
> But using a ("normal") workstation (even low end class) as a host
> for a DSP might be a solution. You can run Linux there to do all
> the OS stuff and just do "number-crunching" stuff and may be some
> little scheduling or ISRs at the DSP.
> This seems a reasonable solution to me, and there is some work in
> progress to allow linux users to take advantage of these external
> processing services a DSP offers.

I always thought that an open source "Geek Card", with decent OS support
would rock. Give the gimp access to a PCI card with 32MB of RAM, an FPGA
and a decent DSP, and it would fly...imagine plugins that load a gate
description for accelerating dithering to the FPGA, and then DMAs an image
to it. While it's there, you could be using it for seti@home, bzip2,
whatever has been written to use it...hmm ?

No need to port Linux to a DSP, to make advantage of it...just provide a
half decent API for it...

Kate

-- 
Microsoft - the best reason in the world to drink beer


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