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Re: Is kexec supported in QEMU for ARM64 (qemu-system-aarch64) with arm-
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From: |
Ard Biesheuvel |
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Subject: |
Re: Is kexec supported in QEMU for ARM64 (qemu-system-aarch64) with arm-trusted-firmware, optee, and u-boot. |
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Date: |
Tue, 1 Oct 2019 18:30:31 +0200 |
On Tue, 1 Oct 2019 at 00:27, Lakshmi Ramasubramanian
<address@hidden> wrote:
>
> On 9/27/19 2:15 AM, Philippe Mathieu-Daudé wrote:
>
> > Cc'ing Ard too
> >>
> >> https://salsa.debian.org/debian/atf-allwinner/commit/b6b671c4ac4bd5595306863225bb3bece1e6135c
> >>
> >>
> >> Current limitations:
> >> * Only cold boot is supported
> >> * No build instructions for QEMU_EFI.fd and rootfs-arm64.cpio.gz
> >> * No instructions for how to load a BL32 (Secure Payload)
> >>
> >> So looks like only cold boot is supported (no kexec support)
> >> Is this correct?
>
> Just wanted to check again -
>
> Does ATF and QEMU (for ARM64) support cold boot only and does not have
> support for kexec?
>
kexec is a linux concept, so whether it is supported should not depend
on the secure world firmware or the underlying host.
- Re: Is kexec supported in QEMU for ARM64 (qemu-system-aarch64) with arm-trusted-firmware, optee, and u-boot.,
Ard Biesheuvel <=