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. thanks -- PMM
