On Thu, Aug 07, 2014 at 02:53:33PM +0100, Peter Maydell wrote: > On 7 August 2014 14:43, Christopher Covington <c...@codeaurora.org> wrote: > > On 08/07/2014 08:03 AM, Peter Maydell wrote: > >> No, because at the moment our AArch64 TCG implementation > >> (and the way we configure KVM) assumes that the highest > >> exception level is running AArch64. We might fix this eventually, > >> though. > > > > When EL3 and EL2 support is added, the bootloader will > > presumably have to be modified to make the switch from > > EL3 into EL2. In my experience switching into AArch32 > > EL2 instead of AArch64 EL2 is an easy option to add. > > I think the biggest difficulty is not the code to actually > do the switch but figuring out what the command line > UI to request "start in AArch32" ought to be and how that > then gets plumbed into the code to do the actual work.
Out of interest, how do you do this on real hardware? Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://people.redhat.com/~rjones/virt-top
