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Re: [Qemu-devel] Re: [PATCH 00/14] pcbios: support q35 chipset
From: |
Carl-Daniel Hailfinger |
Subject: |
Re: [Qemu-devel] Re: [PATCH 00/14] pcbios: support q35 chipset |
Date: |
Thu, 01 Oct 2009 10:01:42 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.19) Gecko/20081213 SUSE/1.1.14-1.1 SeaMonkey/1.1.14 |
On 01.10.2009 07:49, Isaku Yamahata wrote:
> On Wed, Sep 30, 2009 at 08:23:59AM -0500, Anthony Liguori wrote:
>
>> Could we dynamically generate the necessary tables? Using iasl is a bit
>> problematic as we introduce more knobs via qdev. I expect that we're
>> going to move to an almost entirely generated set of tables.
>>
>
> So at least an interface to pass acpi tables to guest bios from qemu
> is necessary. FW_CFG interface seems reasonable.
> Generating tables dynamically sounds attractive. However it seems much
> longer term goal like machine config file.
>
I think coreboot has code to dynamically generate ACPI tables. Patching
precompiled ACPI tables was a major source of pain for coreboot
developers in the past, so we switched to generating the dynamic tables
from scratch during runtime.
Regards,
Carl-Daniel
--
http://www.hailfinger.org/