[openbeos] Re: openbeos Digest V8 #114

  • From: "François Revol" <revol@xxxxxxx>
  • To: openbeos@xxxxxxxxxxxxx
  • Date: Fri, 27 Jun 2008 21:50:24 +0200 CEST

> > ARM920T for ex has one, 940 doesn't.
> > While it's possible to support mmu-less versions, in practice it'll 
> > be
> > much work for not much gained.
> > Linux doesn't run on those (only uCLinux), and I don't think WinCE
> > does.
> >
> > Most user-interactive devices have one with an mmu anyway.
> 
> Yep, however if you want anything reasonably close to a PC 
> performance  
> wise, you're going to want to target an arm11 or above. arm9s have  
> serious restrictions on how the mmu/cpu cache works, and generally is  
> somewhat inefficient running systems with lots of address spaces  
> (context switches are pretty expensive).

Well it's what the OpenMoko FreeRunner uses:
http://wiki.openmoko.org/wiki/Neo_FreeRunner_GTA02_Hardware
as well as GP2X:
http://en.wikipedia.org/wiki/GP2X


François.

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