Re: [RFC PATCH 2/5] hw/intc: Add Nuclei ECLIC device

[Bin Meng]

On Mon, May 10, 2021 at 10:21 AM Alistair Francis <alistair23@gmail.com> wrote:
>
> On Fri, May 7, 2021 at 11:24 PM wangjunqiang <wangjunqiang@iscas.ac.cn> wrote:
> >
> > This patch provides an implementation of Nuclei ECLIC Device.
> > Nuclei processor core have been equipped with an Enhanced Core Local
> > Interrupt Controller (ECLIC), which is optimized based on the RISC-V
> > standard CLIC, to manage all interrupt sources.
> >
> > https://doc.nucleisys.com/nuclei_spec/isa/eclic.html
>
> Hello,
>
> There are patches on the QEMU list adding support for the CLIC. How
> different is the ECLIC from the CLIC? Could you use the CLIC as a
> starting point instead of implementing a new interrupt controller?
>

That's my thought too when I saw this patch at first.

A better way is to scandalize the CLIC support in QEMU first, then we
will see how Nuclei's eCLIC could be built on top of that. Thanks!

Regards,
Bin