linux-kernel - Re: [PATCH 06/13] selftests/nolibc: allow specify a bios for qemu

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Message-ID: <20230526-clover-litter-1f41398cd820@wendy>
Date:   Fri, 26 May 2023 11:36:18 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Zhangjin Wu <falcon@...ylab.org>
CC:     <thomas@...ch.de>, <linux-kernel@...r.kernel.org>,
        <linux-kselftest@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <palmer@...belt.com>,
        <paul.walmsley@...ive.com>, <w@....eu>
Subject: Re: [PATCH 06/13] selftests/nolibc: allow specify a bios for qemu

On Fri, May 26, 2023 at 06:25:18PM +0800, Zhangjin Wu wrote:

> > On 2023-05-25 01:52:29+0800, Zhangjin Wu wrote:
> > > riscv qemu has a builtin bios (opensbi), but it may not match the latest
> > > kernel and some old versions may hang during boot, let's allow user pass
> > > a newer version to qemu via the -bios option.
> > 
> > Nitpick:
> > 
> > This seems very specific and hopefully only necessary temporarily.
> >
> 
> RISC-V is such a new ISA and the Spec (especially the SBI) changes very
> frequently ;-)


Huh. Could you please expand on which versions of QEMU will hang while
booting an upstream or stable kernel? Which kernels would be good to
know too.

Thanks,
Conor.

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