Re: [Qemu-devel] [SeaBIOS] [seabios patch 0/5] dynamic pci i/o windows

[Alexey Korolev <alexey.korolev@endace.com>]

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Hi,
Tried these patches today on Win2008 x64 guest with 64bit devices.
I've got BSOD on boot. I guess windows don't like changes in _CRS.

On 04/05/12 20:21, Gerd Hoffmann wrote:
>   Hi,
>
> This patch series makes the PCI I/O windows runtime-configurable via
> qemu firmware config interface.  Main advantage is that we can size and
> shuffle around the PCI i/O windows according to the amount of memory the
> virtual machine has.  We don't need a hole for 64bit PCI bars, we can
> just map them above the main memory.  The hole for 32bit PCI bars can be
> enlarged for guests with less than 3.5 GB of memory.
>
> Oh, and the pci device initialization fix is there too ;)
>
> cheers,
>   Gerd
>
> Gerd Hoffmann (5):
>   pci: init all devices
>   acpi: add qemu fwcfg driver
>   acpi: update pci io windows according to fw_cfg info
>   pciinit: make pci ressources configurable
>   update src/acpi-dsdt.hex
>
>  src/acpi-dsdt.dsl |   81 ++++++++++-
>  src/acpi-dsdt.hex |  420 +++++++++++++++++++++++++++++++++++++++++++++++++++--
>  src/paravirt.c    |    8 +
>  src/paravirt.h    |    2 +
>  src/pciinit.c     |   32 +++-
>  5 files changed, 522 insertions(+), 21 deletions(-)
>
>
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