Re: [PATCH v2 00/22] QEMU RISC-V AIA support

[Anup Patel]

On Sat, Sep 4, 2021 at 7:21 PM Bin Meng <bmeng.cn@gmail.com> wrote:
>
> On Thu, Sep 2, 2021 at 7:26 PM Anup Patel <anup.patel@wdc.com> wrote:
> >
> > The advanced interrupt architecture (AIA) extends the per-HART local
> > interrupt support. Along with this, it also adds IMSIC (MSI contrllor)
> > and Advanced PLIC (wired interrupt controller).
> >
> > The latest AIA draft specification can be found here:
> > https://github.com/riscv/riscv-aia/releases/download/0.2-draft.24/riscv-interrupts-024.pdf
> >
> > This series adds RISC-V AIA support in QEMU which includes emulating all
> > AIA local CSRs, APLIC, and IMSIC. Only AIA local interrupt filtering is
> > not implemented because we don't have any local interrupt greater than 12.
> >
> > To enable AIA in QEMU, use one of the following:
> > 1) Only AIA local interrupt CSRs: Pass "x-aia=true" as CPU paramenter
> >    in the QEMU command-line
> > 2) Only APLIC for virt machine: Pass "aia=aplic" as machine parameter
> >    in the QEMU command-line
> > 3) Both APLIC and IMSIC for virt machine: Pass "aia=aplic-imsic" as
> >    machine parameter in the QEMU command-line
> > 4) Both APLIC and IMSIC with 2 guest files for virt machine: Pass
> >    "aia=aplic-imsic,aia-guests=2" as machine parameter in the QEMU
> >    command-line
> >
> > To test series, we require OpenSBI and Linux with AIA support which can
> > be found in riscv_aia_v1 branch at:
> > https://github.com/avpatel/opensbi.git
> > https://github.com/avpatel/linux.git
> >
> > Changes since v1:
> >  - Revamped whole series and created more granular patches
> >  - Added HGEIE and HGEIP CSR emulation for H-extension
> >  - Added APLIC emulation
> >  - Added IMSIC emulation
> >
>
> Where is v1 of this series? It seems I cannot find it on the ML.

The v1 series was pretty basic and only implemented AIA local interrupt
CSRs.

Here's the link:
https://patchew.org/QEMU/20210514143242.377645-1-anup.patel@wdc.com/

Regards,
Anup