[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging
Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode
Tue, 13 Sep 2011 09:54:16 +0200
On 13.09.2011, at 09:51, Avi Kivity wrote:
> On 09/13/2011 09:54 AM, Alexander Graf wrote:
>> > I had similar problems with sun4u, fixed with
>> > f69539b14bdba7a5cd22e1f4bed439b476b17286. I think also here, PCI
>> > should be given a memory range at 0x80000000 and VGA should
>> > automatically use that like.
>> Yeah, usually the ISA bus is behind an ISA-PCI bridge, so it should inherit
>> the offset from its parent. Or do you mean something different?
> He means that isa_mem_base should go away; instead isa_address_space() should
> be a subregion at offset 0x80000000.
So we are talking about the same thing. Logically speaking, ISA devices are
behind the ISA-PCI bridge, so the parent would be the bridge, right?
> Which vga variant are you using?
This is stdvga.
Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Blue Swirl, 2011/09/12