From: Paolo Bonzini <pbonzini@redhat.com>
To: Li Qiang <liq3ea@gmail.com>,
mst@redhat.com, Laszlo Ersek <lersek@redhat.com>,
kevin@koconnor.net
Cc: Qemu Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [Question] Question about ACPI table in qemu
Date: Tue, 11 Sep 2018 19:24:04 +0200 [thread overview]
Message-ID: <28a08ba6-3f7d-5fa1-525b-2790b139c6bb@redhat.com> (raw)
In-Reply-To: <CAKXe6SKtGLjDgh0thEemmoodtPZGKOcepbsJ6m76xhznuP3=VA@mail.gmail.com>
On 11/09/2018 18:54, Li Qiang wrote:
> Hi all,
>
> I noticed that both qemu and seabios create the ACPI table.
> Once I think he bios' ACPI table will overwrite the qemu's if seabios
> compiled with CONFIG_ACPI.
Yes, SeaBIOS's ACPI tables are not used anymore, to remove the need to
update QEMU and SeaBIOS in sync.
> But after I read this -->
> https://lists.gnu.org/archive/html/qemu-devel/2013-02/msg04555.html
>
> There say:
>
> "just have QEMU pass the tables to SeaBIOS for it to copy
>>>> into memory like it does on CSM, coreboot, and Xen"
>
> So where does this 'copy' happens? or is there something others I missed?
The copy happens in SeaBIOS's romfile_loader_execute function (called by
qemu_platform_setup).
Thanks,
Paolo
prev parent reply other threads:[~2018-09-11 17:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-11 16:54 [Qemu-devel] [Question] Question about ACPI table in qemu Li Qiang
2018-09-11 17:24 ` Paolo Bonzini [this message]
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