[OpenBIOS] [Qemu-devel] Re: [PATCHv8 00/16] boot order specification

Andreas Färber andreas.faerber at web.de
Tue Dec 14 22:34:54 CET 2010


Am 14.12.2010 um 21:41 schrieb Tarl Neustaedter:

> On 2010-12-14 3:31 PM, Benjamin Herrenschmidt wrote:
>>> No, but that may be OpenBIOS' fault. Here's its reg, in case it  
>>> helps:
>>> >  >  reg                       00001800 00000000 00000000    
>>> 00000000 00000000
>>> >                             01001810 00000000 00000000    
>>> 00000000 00000008
>>> >                             01001814 00000000 00000000    
>>> 00000000 00000004
>>> >                             01001818 00000000 00000000    
>>> 00000000 00000008
>>> >                             0100181c 00000000 00000000    
>>> 00000000 00000004
>>> >                             01001820 00000000 00000000    
>>> 00000000 00000010
>>> >
>> That looks like PCI.... odd to keep a PCI addressing scheme below a  
>> PCI
>> device...
>>
> That looks like the reg property for ide at 3 - it's a pci child, so  
> the addressing is in the pci bus. It looks like it has five BARs in  
> IO space, each between 4 and 10 bytes long.

It was an excerpt from `dev /pci/pci-ata .properties` on `qemu-system- 
ppc -nographic -prom-env 'auto-boot?=false'`.



More information about the OpenBIOS mailing list