And yeah. With x86 systems, you had to have a system board ( motherboard ) that had 36bit->40bit memory addressing as a configurable option.
On Mon, May 18, 2015 at 5:19 PM, William Hermans <yyrk...@gmail.com> wrote: > *I should also mention... Just like non-pae and pae x86 hardware..* >> >> * a non-lpae device will not boot with an lpae enabled kernel. Thus we* >> * have a special lpae kernel. ;)* > > > What use is this in the context of the beaglebone ? The X15 I can see use > cases, and I'm sure you're not allowed to talk about that platform. Which > is fine. But am I missing something about this in the context of the > beaglebone black ? > > > On Mon, May 18, 2015 at 5:13 PM, Robert Nelson <robertcnel...@gmail.com> > wrote: > >> On Mon, May 18, 2015 at 7:11 PM, Robert Nelson <robertcnel...@gmail.com> >> wrote: >> > On Mon, May 18, 2015 at 6:34 PM, William Hermans <yyrk...@gmail.com> >> wrote: >> >> Robert, >> >> >> >> So whats up with the LPAE kernel versions ? From what I've read this >> >> "extension" is only for Cortex A15 ( 40 bit addressing ), and >> typically / >> >> always this only matters for systems with more than 4GB( addressable ) >> RAM. >> >> >> >> The beaglebone black only has 512MB, so is moot, and the X15 from what >> I >> >> understand will only have 2GB RAM ? Plus it's not a "bone" >> > >> > Large Physical Address Extensions (LPAE) is the main identifier, but >> > the Cortex-A7/A12/A15/A17 also have hardware virturalization support. >> >> I should also mention... Just like non-pae and pae x86 hardware.. >> >> a non-lpae device will not boot with an lpae enabled kernel. Thus we >> have a special lpae kernel. ;) >> >> Regards, >> >> -- >> Robert Nelson >> https://rcn-ee.com/ >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
