svn commit: r201052 - in head/sys: conf sparc64/pci

[Nathan Whitehorn]

Marius Strobl wrote:
> On Mon, Dec 28, 2009 at 09:23:11AM +1300, Nathan Whitehorn wrote:
>   
>> Marius Strobl wrote:
>>     
>>> Author: marius
>>> Date: Sun Dec 27 16:55:44 2009
>>> New Revision: 201052
>>> URL: http://svn.freebsd.org/changeset/base/201052
>>>
>>> Log:
>>>  Add a driver for the `Fire' JBus to PCIe bridges found in at least
>>>  the Sun Fire V215/V245 and Sun Ultra 25/45 machines. This driver also
>>>  already includes all the code to support the `Oberon' Uranus to PCIe
>>>  bridges found in the Fujitsu-Siemens based Mx000 machines but due to
>>>  lack of access to such a system for testing, probing of these bridges
>>>  is currently disabled.
>>>
>>>  
>>>       
>> Nice! I think you missed a  '+sparc64/pci/fire.c             
>> optional        pci' in sys/conf/files.sparc64, though.
>>     
>
> I deliberately haven't connected it to the build, yet, as these
> machines need the problem of the netboot device being left opened
> by the loader properly fixed. I thought I had a proper MI fix for
> this but re-reading the commit message that turned on the open-
> close-dance for every file access back on I think that the U-Boot
> support probably is abusing the closes to do post-transfer cleanup
> thus requiring the current behavior. Currently I'm waiting for
> raj@ to confirm whether this is the case so we can check other
> options.
>
> Marius
Makes sense. A fix for that issue would be nice -- netboot is completely 
non-functional with the stock loader on OF based PowerPC machines at the 
moment because of this problem as well.
-Nathan