[SeaBIOS] [PATCH v2] Make pci memory window configurable.
yamahata at valinux.co.jp
Thu May 5 17:40:50 CEST 2011
On Wed, May 04, 2011 at 10:06:27AM +0200, Gerd Hoffmann wrote:
> On 05/04/11 04:26, Isaku Yamahata wrote:
>> On Tue, May 03, 2011 at 08:47:04PM -0400, Kevin O'Connor wrote:
>>>> Is there a way to figure the usable address space at runtime instead
>>>> of depending on BUILD_PCIMEM_START? Can I just check RamSize?
>>> As far as I'm aware, it would be possible to use RamSize (or better
>>> yet, the e820 map).
>> I suggest e820. Not only ram, but also other chipset functions
>> may use memory area like PCI MMCONFIG which is reserved by e820.
> Do you have a qemu q35 branch in git somewhere which I could use to test
> the bridging stuff?
You can get it from the followings.
The modified seabios and acpi dsdt are also needed to boot it.
git clone http://people.valinux.co.jp/~yamahata/qemu/q35/20110316/qemu
git clone http://people.valinux.co.jp/~yamahata/qemu/q35/20110316/seabios
qemu-system-x86_64 ... -M pc_q35 -acpitable 'load_header,data=roms/seabios/src/q35-acpi-dsdt.aml
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