Re: Is it possible to boot a riscv32 guest on riscv64 host using KVM?

[Philippe Mathieu-Daudé]

On 27/6/23 15:24, Anup Patel wrote:
> On Mon, Jun 26, 2023 at 4:57 PM Philippe Mathieu-Daudé
> <philmd@linaro.org> wrote:
> > Hi,
> >
> > I'm working on a tree-wide accelerator refactor and want
> > to run various configs to be sure I didn't broke anything.
> >
> > QEMU theoretically supports running a riscv32 guest using
> > KVM on a riscv64 host, however the documentation I'm finding
> > only refers to riscv64 guests:
> > https://github.com/kvm-riscv/howto/wiki
> >
> > So I wonder, is this a valid / supported config? If so,
> > do you mind helping me with pointing me to a guest image
> > and its command line?
>
> Currently, we only support running rv64 guest on rv64 host
> and rv32 guest on rv32 host.

Good news, less configs to test!

Thank you,

Phil.

> In the future, we might support running rv32 guest on rv64 host
> but as of now we don't see a strong push for it.
>
> Regards,
> Anup
>
> > Thanks,
> >
> > Phil.