[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [Xen-devel] Re: [PATCH 4/5] xen: Fix the memory registr
|
From: |
Anthony PERARD |
|
Subject: |
Re: [Qemu-devel] [Xen-devel] Re: [PATCH 4/5] xen: Fix the memory registration to reflect of what is done by Xen. |
|
Date: |
Mon, 18 Jul 2011 16:29:02 +0100 |
On Mon, Jul 18, 2011 at 12:14, Stefano Stabellini
<address@hidden> wrote:
> On Fri, 15 Jul 2011, Anthony PERARD wrote:
>> On Fri, Jul 15, 2011 at 18:05, Stefano Stabellini
>> <address@hidden> wrote:
>> > Shouldn't we avoid registering any memory for the whole video ram area?
>> > I mean:
>> >
>> > 0xa0000 - 0x100000
>>
>> No, because SeaBIOS load the Options ROM (VGA Bios, PXE) to the area
>> between 0xc0000 and 0x100000, and this go through QEMU.
>>
>> The area between 0xa0000 and 0xc0000 is registred later by the
>> cirrus_vga bits, as IO.
>
> OK. Can you please expand your comment in the code with the same
> explanation?
Yes, I will do that.
--
Anthony PERARD
Re: [Qemu-devel] [PATCH 0/5] Enable QEMU to handle more than 2GB with Xen., Stefano Stabellini, 2011/07/15