From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: maobibo <maobibo@loongson.cn>
Cc: "Thomas Weißschuh" <thomas@t-8ch.de>,
loongarch@lists.linux.dev, qemu-devel@nongnu.org,
xry111@xry111.site
Subject: Re: qemu direct kernel boot on LoongArch
Date: Thu, 5 Sep 2024 16:54:41 +0200 [thread overview]
Message-ID: <ZtnGMdFRpTAVPnym@zx2c4.com> (raw)
In-Reply-To: <95da2e9e-0905-ad61-6bf9-c2636f2cc5f1@loongson.cn>
On Thu, Sep 05, 2024 at 02:11:32PM +0800, maobibo wrote:
>
>
> On 2024/9/5 下午1:25, Thomas Weißschuh wrote:
> > On 2024-09-05 06:04:12+0000, Jason A. Donenfeld wrote:
> >> On Thu, Sep 5, 2024 at 5:45 AM maobibo <maobibo@loongson.cn> wrote:
> >>>
> >>> Jason,
> >>>
> >>> With the latest qemu 9.1 version, elf format booting is supported.
> >>
> >> Thanks, I just figured this out too, about 4 minutes ago. Excellent.
> >> And the 1G minimum ram limit is gone too.
> >>
> >> Now working on how to trigger resets.
> >
> > With "reset" do you mean normal (non-panic) system shutdown/poweroff?
> > Since QEMU 9.1 and a recent kernel you can use the pvpanic device for
> > that in a cross-architecture way.
> LoongArch uses acpi GED device to reboot machine. Now there is no FDT
> table description and FDT driver for acpi GED device :(
So you mean that QEMU exposes it via ACPI, but not via FDT, and the
kernel doesn't know how to recognize it, even with ACPI?
next prev parent reply other threads:[~2024-09-05 14:55 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1738d60a-df3a-4102-b1da-d16a29b6e06a@t-8ch.de>
2023-10-10 1:12 ` qemu direct kernel boot on LoongArch maobibo
2024-09-05 3:12 ` Jason A. Donenfeld
2024-09-05 3:45 ` maobibo
2024-09-05 4:04 ` Jason A. Donenfeld
2024-09-05 5:25 ` Thomas Weißschuh
2024-09-05 6:11 ` maobibo
2024-09-05 14:54 ` Jason A. Donenfeld [this message]
2024-09-05 15:49 ` Jason A. Donenfeld
2024-09-06 1:09 ` maobibo
2024-09-05 14:53 ` Jason A. Donenfeld
2024-09-05 15:05 ` Thomas Weißschuh
2024-09-05 15:07 ` Jason A. Donenfeld
2024-09-05 15:16 ` Thomas Weißschuh
2024-09-05 15:18 ` Jason A. Donenfeld
2024-09-05 16:03 ` Thomas Weißschuh
2024-09-06 1:14 ` maobibo
2024-09-06 4:04 ` Jason A. Donenfeld
2024-09-06 4:48 ` Jason A. Donenfeld
2024-09-06 4:49 ` [PATCH] hw/loongarch: virt: support up to 4 serial ports Jason A. Donenfeld
2024-09-06 8:34 ` maobibo
2024-09-06 14:30 ` Jason A. Donenfeld
2024-09-06 14:31 ` [PATCH v2] " Jason A. Donenfeld
2024-09-07 3:37 ` maobibo
2024-09-07 14:44 ` Jason A. Donenfeld
2024-09-07 14:57 ` Jason A. Donenfeld
2024-09-07 14:34 ` [PATCH v3] " Jason A. Donenfeld
2024-09-09 1:22 ` maobibo
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