On 12/11/21 10:27, Alex Bennée wrote: > Rodolphe Lepigre <lepi...@mpi-sws.org> writes: > > I have been spending a bit of time experimenting with the emulation > > of a Raspberry Pi 3 computer using QEMU (version 6.1.0) by running > > the following command. > > > > $> qemu-system-aarch64 -M raspi3 -nographics -kernel kernel8.img > > > > After booting the machine, the cores are running at exception level > > 1 (i.e., EL1), and I was not able to find a way to make it start at > > EL2 (or EL3) instead. Is that at all possible? And if yes, how? > > If you use -bios it should load at a higher exception level. Currently > only the virt board supports the "virtualization" and "secure" machine > properties that allow a kernel to be directly booted at the elevated > exception levels.
Thanks, I'll try this to see if I can get the machine to boot at EL3. For the record, note that I realised that I was wrong after I posted my first message: the machine does boot at EL2 by default. I just messed up a field offset when I initially read the exception level.
