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

[Bin Meng]

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.

Regards,
Bin