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From: Andreas Schwab <schwab@suse.de>
References: <20180706012215.21714-1-alistair.francis@wdc.com>
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Date: Tue, 10 Jul 2018 09:25:09 +0200
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	(Alistair Francis's message of "Mon, 9 Jul 2018 14:52:31 -0700")
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Subject: Re: [Qemu-devel] [PULL v4 0/7] riscv-pull queue
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To: Alistair Francis <alistair23@gmail.com>
Cc: Alistair Francis <alistair.francis@wdc.com>, "qemu-devel@nongnu.org
	Developers" <qemu-devel@nongnu.org>, Peter Maydell <peter.maydell@linaro.org>, Michael Clark <mjc@sifive.com>, Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= <f4bug@amsat.org>

On Jul 09 2018, Alistair Francis <alistair23@gmail.com> wrote:

> On Mon, Jul 9, 2018 at 3:00 AM, Andreas Schwab <schwab@suse.de> wrote:
>> What is the state of the sifive_u emulation?  When I tried to boot a bbl
>> with an included kernel I get these errors:
>>
>> qemu-system-riscv64: plic: invalid register write: 00002090
>> qemu-system-riscv64: plic: invalid register write: 00002094
>> qemu-system-riscv64: plic: invalid register write: 00002098
>> qemu-system-riscv64: plic: invalid register write: 0000209c
>> qemu-system-riscv64: plic: invalid register write: 000020a0
>> qemu-system-riscv64: plic: invalid register write: 000020a4
>> qemu-system-riscv64: plic: invalid register write: 000020a8
>> qemu-system-riscv64: plic: invalid register write: 000020ac
>> qemu-system-riscv64: plic: invalid register write: 000020b0
>> qemu-system-riscv64: plic: invalid register write: 000020b4
>
> I see those as well. I haven't investigated but I assume we are just
> not completely modelling the PLIC. In saying that it should still
> boot. Do you not see the kernel booting?

I don't see those errors when using the qemu from github:riscv/riscv-qemu.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."