[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu
From: |
Jordan Justen |
Subject: |
Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu |
Date: |
Sat, 28 Apr 2012 18:17:24 -0700 |
On Sat, Apr 28, 2012 at 00:08, Gleb Natapov <address@hidden> wrote:
> On Fri, Apr 27, 2012 at 02:55:48PM -0700, Jordan Justen wrote:
>> But, if qemu could be changed,
>> could it be made to match the PIIX4 datasheet?
>>
> We try not to change QEMU in non backwards compatible way. We can
> implement PMBA and start using address there if FW writes into it,
> but, as I noted before, OVMF will have to be changed anyways since 0x400
> address is already occupied and pci/cpu/memory hotplug/unplug
> functionality uses additional IO space not documented by PIIX4 spec.
The "pci/cpu/memory hotplug/unplug functionality" is also using hard
coded addresses in the 0x400 range?
And, 0xb000 would be the recommended PM base address?
> It would be better for OVMF to treat QEMU like separate platform, that
> behave almost, but not exactly like, real HW.
Yes, it does seem like that will be required here.
-Jordan
- [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Laszlo Ersek, 2012/04/27
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Jordan Justen, 2012/04/27
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Laszlo Ersek, 2012/04/27
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Gleb Natapov, 2012/04/27
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Laszlo Ersek, 2012/04/27
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Gleb Natapov, 2012/04/27
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Jordan Justen, 2012/04/27
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Gleb Natapov, 2012/04/28
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu,
Jordan Justen <=
- Re: [Qemu-devel] synching GPE0_BLK between OVMF and qemu, Gleb Natapov, 2012/04/29