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Re: [Qemu-devel] [PATCH] PPC: fix PCI configuration space MemoryRegions
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] [PATCH] PPC: fix PCI configuration space MemoryRegions for grackle/uninorth |
Date: |
Wed, 18 Dec 2013 23:07:09 +0100 |
On 18.12.2013, at 23:04, Benjamin Herrenschmidt <address@hidden> wrote:
> On Wed, 2013-12-18 at 22:24 +0100, Alexander Graf wrote:
>> Then I don't understand why we break when we limit the data region to
>> 4 bytes.
>
> This is old uninorth, not U3 HT right ? The latter is memory mapped.
Depends, we use the same code to cover both. With 32bit guests we expose an old
UniNorth. With 64bit guests we have to expose a U3 as the guest doesn't know
what old UniNorth is anymore.
So yeah, maybe that's biting us.
Alex