Re: debian bootup hangs on qemu-system-mips64el

Hi, all

I'm working on Loongson-3's SMP support in QEMU, and I'll send my patches soon.

Huacai

On Mon, Jan 13, 2020 at 10:35 AM Jun Sun <[email protected]> wrote:
>
> Thanks, Jiaxun.  See more questions below.
>
> Jun
>
> On Sun, Jan 12, 2020 at 5:17 PM Jiaxun Yang <[email protected]> wrote:
> >
> >
> >
> > 于 2020年1月13日 GMT+08:00 上午3:34:18, Jun Sun <[email protected]> 写到:
> > >Are you sure QEMU/MIPS does not support SMP?  Below link written in
> > >2016 clearly shows something was working then.
> > >
> > >https://www.mips.com/blog/how-to-run-smp-linux-in-qemu-on-a-mips64-release-6-cpu/
> > >
> > >Also, as Lixing mentioned in our private exchange, there is SMP
> > >support for loongson.  Lixing, I assume loongson SMP support is
> > >already merged in QEMU repo, right?  Can you point out the relevant
> > >source code directories?
> > Hi Jun,
> >
> > As far as I known, Loongson is using there own SMP IPI implementation instead of MIPS MT One.
> > There QEMU implementation could be found here [1].
> > QEMU have implemented MIPS MT ASE for SMP.
> >
>
> Do you know how to enable and run MIPS MT ASE in qemu?  For with CPU options?