Am 28.12.2012 um 18:54 schrieb andy pugh: > On 28 December 2012 09:56, Michael Haberler <mai...@mah.priv.at> wrote: > >>> If rtapi abstracts inb and outb then I probably just need to make the >>> driver use the rtapi_inb and rtapi_outb versions? (I wasn't aware of >>> them when I wrote the driver) > >> There is no point whatsoever in 'abstracting' an instruction which is >> available on exactly one platform to start with. > > Doesn't the instruction require kernel-level access to hardware, though? > > I admit to being very unclear on this.
it requires 'I/O privileges', a userland process might get them through iopl() - see man iopl this is what rtapi_app does in the userland thread styles. -m > > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > ------------------------------------------------------------------------------ > Master HTML5, CSS3, ASP.NET, MVC, AJAX, Knockout.js, Web API and > much more. Get web development skills now with LearnDevNow - > 350+ hours of step-by-step video tutorials by Microsoft MVPs and experts. > SALE $99.99 this month only -- learn more at: > http://p.sf.net/sfu/learnmore_122812 > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers ------------------------------------------------------------------------------ Master HTML5, CSS3, ASP.NET, MVC, AJAX, Knockout.js, Web API and much more. Get web development skills now with LearnDevNow - 350+ hours of step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only -- learn more at: http://p.sf.net/sfu/learnmore_122812 _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
