Re: Is kexec supported in QEMU for ARM64 (qemu-system-aarch64) with arm-trusted-firmware, optee, and u-boot.

[Ard Biesheuvel]

On Wed, 2 Oct 2019 at 03:32, Lakshmi Ramasubramanian
<address@hidden> wrote:
>
> On 10/1/19 9:30 AM, Ard Biesheuvel wrote:
>
> >
> > kexec is a linux concept, so whether it is supported should not depend
> > on the secure world firmware or the underlying host.
>
> I agree Ard.
> When I don't use ATF I am able to do kexec in QEMU and successfully boot
> into the new kernel.
> Is the following expected?
>
> When I execute kexec ("kexec -l <kernel>", followed by "kexec -e") I hit
> the following assert in ATF (in the file
> arm-trusted-firmware/plat/qemu/qemu_pm.c)
>
> /*******************************************************************************
>    * Platform handler called when a power domain is about to be turned
>    * off. The target_state encodes the power state that each level should
>    * transition to.
> ******************************************************************************/
> void qemu_pwr_domain_off(const psci_power_state_t *target_state)
> {
>       assert(0);
> }
>

Are you running with multiple CPUs?