Op vrijdag 5 november 2010 01:29:52 schreef u: > On Mon, Nov 01, 2010 at 08:28:27PM +0100, Nils wrote: > > >Shouldn't there be a "while (1)" around the hlt instruction? > > > > ?? i don't know should it? > > The code seems to work, but if it is preferred/needed i will add it. > > As far as I know the "hlt" instruction on x86 does not really terminally > "halt" the processor, it can be woken up again by certain events (NMI, > debug exceptions, whatever). So usually you only see the "hlt" > instruction in a while(1) loop if you want the code to not ever continue > execution after the "hlt" instruction. But someone please correct me > if I'm wrong. > > > Uwe.
Ok thanks for the explanation. It sounds plausible. I copied it from the LX code. I will study this a bit more when i find some time and try to make a patch. Thanks, Nils. -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
