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Re: [Qemu-devel] [PATCH v5 00/23] qemu: generate acpi tables for the gue


From: Michael S. Tsirkin
Subject: Re: [Qemu-devel] [PATCH v5 00/23] qemu: generate acpi tables for the guest
Date: Wed, 25 Sep 2013 16:09:46 +0300

On Wed, Sep 25, 2013 at 03:02:35PM +0200, Gerd Hoffmann wrote:
> On Mi, 2013-09-25 at 15:59 +0300, Michael S. Tsirkin wrote:
> > On Wed, Sep 25, 2013 at 02:48:52PM +0200, Gerd Hoffmann wrote:
> > > On Mi, 2013-09-25 at 14:22 +0300, Michael S. Tsirkin wrote:
> > > > This code can also be found here:
> > > > git://git.kernel.org/pub/scm/virt/kvm/mst/qemu.git acpi
> > > > 
> > > > While this patch still uses info not available in QOM, I think it's 
> > > > reasonable
> > > > to merge it and then refactor as QOM properties cover more ground.
> > > 
> > > Testing with coreboot (-M pc only so far, -M q35 tbd).
> > > 
> > > address@hidden ~]# cat /proc/ioports 
> > >   [ ... ]
> > >   afe0-afe3 : ACPI GPE0_BLK
> > >   b010-b015 : ACPI CPU throttle
> > >   b100-b10f : 0000:00:01.3
> > >     b100-b107 : piix4_smbus
> > >   e400-e43f : 0000:00:01.3
> > >     e400-e403 : ACPI PM1a_EVT_BLK
> > >     e404-e405 : ACPI PM1a_CNT_BLK
> > >     e408-e40b : ACPI PM_TMR
> > > 
> > > "ACPI CPU throttle" looks wrong, probably hardcoded to 0xb010 instead of
> > > pmbase+0x10.
> > 
> > Hmm hardcoded where? Do you know where this comes from?
> 
> address@hidden acpi]# grep -i b010 *.dsl
> SSDT.dsl:        Processor (CP00, 0x00, 0x0000B010, 0x06)
> 
> cheers,
>   Gerd
> 
> 

Sorry I wasn't clear.
Where *should* the value come from?
Does QEMU have any hardware at that address?

-- 
MST



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