From: Gleb Natapov <gleb@redhat.com>
To: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [PATCH 00/14] pcbios: support q35 chipset
Date: Thu, 1 Oct 2009 16:46:04 +0200 [thread overview]
Message-ID: <20091001144604.GU9832@redhat.com> (raw)
In-Reply-To: <20091001054903.GS24813%yamahata@valinux.co.jp>
On Thu, Oct 01, 2009 at 02:49:03PM +0900, Isaku Yamahata wrote:
> > >There would be a discussion to change bioses.
> > >This patches modifies ACPI DSDT directly which
> > >is linked into bios binary image.
> > >This would not be acceptable and it would be a bad
> > >idea to have two bios binary image for piix and q35.
> > >So instead, I'm thinking of dynamic loading ACPI table.
> > >I'd like to hear opinions. What do you think?
> > >
> >
> > 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.
We already have interface to pass acpi tables to bios, but tables like
DSDT should be part of the bios, not qemu.
--
Gleb.
prev parent reply other threads:[~2009-10-01 14:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-30 10:18 [Qemu-devel] [PATCH 00/14] pcbios: support q35 chipset Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 01/14] pcbios: add generated files to dot gitignore Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 02/14] pcbios: fix makesym.perl Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 03/14] pcbios: remove iasl output file when error Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 04/14] pcbios: make set_e820_range() full 64bit aware Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 05/14] pcbios: rombios32: make pci memory space assignment " Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 06/14] pcbios: rombios32: make pci space assigner preferchable memory aware Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 07/14] pcbios: enable debug output for debug Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 08/14] pcibos: initialize q35 chipset Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 09/14] pcbios: comment out PCI_FIXED_HOST_BRIDGE for gmch host pci bridge to undef Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 10/14] pcibos: add mcfg entry to ACPI table for q35 pcie Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 11/14] pcbios: reserve mcfg area by e820 for linux to use mcfg Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 12/14] pcbios: make pci bar initialization to be aware of preferchable memory Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 13/14] pcbios: change acpi dsdt for q35 chipset Isaku Yamahata
2009-09-30 10:18 ` [Qemu-devel] [PATCH 14/14] pcibos/acpi dsdt: APIC mode support " Isaku Yamahata
2009-09-30 13:23 ` [Qemu-devel] Re: [PATCH 00/14] pcbios: support " Anthony Liguori
2009-09-30 16:14 ` Gleb Natapov
2009-10-01 5:49 ` Isaku Yamahata
2009-10-01 8:01 ` Carl-Daniel Hailfinger
2009-10-01 14:46 ` Gleb Natapov [this message]
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