Re: [Qemu-devel] RISC-V: Vector && DSP Extension

[Alistair Francis]

On Sat, Aug 10, 2019 at 6:55 AM LIU ZhiWei <address@hidden> wrote:
>
>
> On 8/9/19 6:54 PM, Alistair Francis wrote:
>
> On Thu, Aug 8, 2019 at 2:52 AM liuzhiwei <address@hidden> wrote:
>
> Hi all,
>
>     My workmate  and I have been working on Vector & Dsp extension, and
> I'd like to share develop status  with folks.
>
> Cool!
>
>     The spec references for  Vector extension is riscv-v-spec-0.7.1, and
> riscv-p-spec-0.5 for DSP extension. The code of vector extension is
> ready and under testing,  the first patch will be sent about two weeks
> later. After that we will forward working on DSP extension, and send the
> first patch in middle  October.
>
> What code are you talking about? Is this QEMU code?
>
> Hi Alistair,
>
> It's the QEMU code I have been working on these days, which implements Vector 
> extension. It is under testing,
> and will be sent later.

Great! Please send it when you have it ready. We can accept draft
extensions in QEMU as long as they are disabled by default.

Alistair

>
>      Could the maintainers  tell me whether the specs referenced are
> appropriate? Is anyone working on these extensions?  I'd like to get
> your status, and maybe discuss questions and work togather.
>
> Just use the latest (master) from the ISA spec git repo.
>
> I will follow your advice.Thanks for your attention to this matter.
>
> Best Regards,
>
> Zhiwei
>
> I don't know anyone doing vector work for QEMU. It would be very
> useful, but everyone is busy with something at the moment
> unfortunately.
>
> Alistair
>
> Best Regards
>
> LIU Zhiwei
>
>
>