Re: SmartFirmware /memory

[Matt Sealey <matt%genesi-usa.com@localhost>]

Frank Wille wrote:
> Nice idea, but which claim() are we talking about?
>
> 1. The OF_claim() call.
> 2. The claim()-method of /cpus/PowerPC.../.
> 3. The claim()-method of /memory@0.
>
> Unfortunately none of them really helps us.
>
> I made a test with OF_claim(), passing the address-argument as 0, but it
> only returns memory from the lowest 256MB. Same with the claim() method of
> /memory, which only returns the memory listed under "available". The claim()
> method of /cpus/PowerPC happily returns all memory from 0 to 0x10000000,
> ignoring /memory's "available", but nothing more.
>
> Another crazy experiment was to use the release() method of /memory, to add
> the region 0x10000000-0x20000000 to the "available" property. But again
> the kernel crashes when accessing it.
>
> *sigh* ... so what do we have to do to access more than 256MB?

I have no idea.

Someone should probably contact someone at bplan. I guess that's my job.

In the end, though, I don't think we are really very interested in a NetBSD
port to Pegasos or fixing errors in the 4 year old firmware..

--
Matt Sealey <matt%genesi-usa.com@localhost>
Genesi, Manager, Developer Relations