Re: Does NetBSD-arm support SMP ?

[Matt Thomas <matt%3am-software.com@localhost>]

On Feb 1, 2008, at 1:29 PM, Chris Gilbert wrote:

> PowerMan wrote:
> > Does NetBSD-arm support SMP ?
> > I get to know the new Cortex-A8 is a dual core.
> Not at the moment.  The existing support is around the acorn32  
> Hydra, and that's not really fully supported.
>
> I believe that first we'd need an updated pmap, which the work Matt  
> is doing in the matt-armv6 branch would help with (as I think  
> Cortex is armv7?)  the reason for this is the handling of virtual  
> vs physical addresses, all the older arms use virtually indexed and  
> tagged cache making SMP very hard to do.
>
> Of course the sooner someone gets their hands on these things the  
> sooner it'd be ported to :)

Give a Cortex-A8 and I'll make it work. :)