Subject: Re: the prom: to map or not to map
To: None <netbsd-ports@NetBSD.ORG>
From: Jason Brazile <>
List: netbsd-ports
Date: 06/12/1997 09:38:57
> At system startup time, the firmware is living in a known location in
> VA space: that covered by the first L1 PTE.  Therefore, I squirrel
> that away, and when necessary swap it with the 'normal' first L1 PTE
> of the running process, do the firmware access, then swap it back.

Hmm, the PTE of the running process.  I am not afraid to admit that
this would not have occurred to me, at least at my current level of 

Thanks again for the information,