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Re: [Qemu-devel] [PATCH 4/9] PPC: Include dump of lspci -nn on real G5
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] [PATCH 4/9] PPC: Include dump of lspci -nn on real G5 |
Date: |
Tue, 12 Jan 2010 21:51:50 +0100 |
On 12.01.2010, at 21:43, Blue Swirl wrote:
> On Tue, Jan 12, 2010 at 8:35 PM, Alexander Graf <address@hidden> wrote:
>>
>> On 12.01.2010, at 21:16, Blue Swirl wrote:
>>
>>> On Tue, Jan 12, 2010 at 11:58 AM, Alexander Graf <address@hidden> wrote:
>>>> To ease debugging and to know what we're lacking, I found it really useful
>>>> to
>>>> have an lspci dump of a real U3 based G5 around. So I added a comment for
>>>> it.
>>>>
>>>> If people don't think it's important enough to include this information in
>>>> the
>>>> sources, just don't apply this patch.
>>>
>>> I think it would be useful, but the right place would be in
>>> ppc_newworld.c, because that is where the PCI bus is populated.
>>
>> Hum, that file is pretty cluttered already. How about we create a
>> Documentation subdir in qemu that contains information about various devices?
>
> Nobody reads documentation :) There's plenty of room near line 50,
> that's where I have put references in other files.
>
>>> For unin_pci.c, an interesting reference would be a link to the data sheet.
>>
>> I'm not aware of any. The only real specification I know of is for the U4.
>
> Then U4 may be a more interesting machine to be implemented than U3,
> at least if there are more documented devices or fewer critical
> undocumented devices.
The easy part about U3 is that it's accessed the same way as U2, so the PPC32
code can be reused.
Eventually we need a U4 target though, especially since that also implements
PCIe. For now it's one thing at a time - first a proof of concept for KVM and
then a U4 :).
Alex
[Qemu-devel] [PATCH 9/9] PPC: Add USB per default on U3, Alexander Graf, 2010/01/12
[Qemu-devel] [PATCH 5/9] PPC: Make interrupts work, Alexander Graf, 2010/01/12
[Qemu-devel] [PATCH 3/9] PPC: Use Mac99_U3 type on ppc64, Alexander Graf, 2010/01/12
[Qemu-devel] [PATCH 2/9] PPC: Add config space conversion function for uni_north, Alexander Graf, 2010/01/12
[Qemu-devel] [PATCH 7/9] PPC: Use macio IDE controller for Newworld, Alexander Graf, 2010/01/12
Re: [Qemu-devel] [PATCH 0/9] PPC NewWorld fixery v3, Blue Swirl, 2010/01/12