On Mon, 21 Mar 2005 17:14:01 +0800, Joe Hsu <[EMAIL PROTECTED]> wrote: > On Mon, 21 Mar 2005 18:48:45 +1100, Lucas Martin-King > <[EMAIL PROTECTED]> wrote: > > This may sound wierd but I suppose: > > > > * mmapped regions have a certain length > > > > Would it be possible to mmap a separate portion of the cards memory > > We could rely on hardware support so that if a process tries to access > > memory outside of this, it'd get a page/seg fault. > > If I understood correctly, to mmap a sub-region of ram with > being process-related(some kind of privillage control) can be > done within kernel(driver). It seems to need no hardware support > for this kind of mmap.
Maybe needs page alignment both in mmap address and size when writing driver. -- The sun is shinny but the ice is slippery. _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
