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Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region |
Date: |
Wed, 29 Jul 2015 15:24:06 +0200 |
On Wed, 29 Jul 2015 15:02:00 +0300
Pavel Fedin <address@hidden> wrote:
> Hello!
>
> > I don't suggest to have something mapped on top of the window,
> > Suggestion was to just use the same value for
> > AddressMaximum and AddressMinimum arguments in aml_qword_memory() call.
>
> And this will shrink the region down to zero, right? For what reason?
> Physical region would still
> be there (here we imagine this is a real HW).
nope, it won't shrink anything. It will prevent OS from potential
relocation of region.
AddressMaximum is a max possible BASE address of range,
I read 'base address' as starting address of range and
it has nothing to do with the size.
See spec, ACPI6.0: 19.6.104 QWordMemory
>
> Kind regards,
> Pavel Fedin
> Expert Engineer
> Samsung Electronics Research center Russia
>
>
- Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region, (continued)
- Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region, Igor Mammedov, 2015/07/29
- Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region, Pavel Fedin, 2015/07/29
- Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region, Peter Maydell, 2015/07/29
- Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region, Igor Mammedov, 2015/07/29
- Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region, Pavel Fedin, 2015/07/29
- Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region, Peter Maydell, 2015/07/29
Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region, Igor Mammedov, 2015/07/29