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Date: Thu, 01 Oct 2009 10:01:42 +0200
From: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
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Subject: Re: [Qemu-devel] Re: [PATCH 00/14] pcbios: support q35 chipset
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To: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: qemu-devel@nongnu.org

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/