[OpenBIOS] [commit] r832 - in trunk/openbios-devel: arch/sparc32 drivers

[Mark Cave-Ayland]

Mark Cave-Ayland wrote:

>> I changed the boot-device like this:
>> diff --git a/arch/sparc32/openbios.c b/arch/sparc32/openbios.c
>> index 60ee180..3624269 100644
>> --- a/arch/sparc32/openbios.c
>> +++ b/arch/sparc32/openbios.c
>> @@ -187,11 +187,11 @@ arch_init( void )
>>                 push_str("floppy");
>>                 break;
>>         case 'c':
>> -               push_str("disk");
>> +                push_str("disk disk:d");
>>                 break;
>>         default:
>>         case 'd':
>> -               push_str("cdrom");
>> +                push_str("cdrom cdrom:d");
>>                 break;
>>         case 'n':
>>                 push_str("net");
> 
> Hmmm that should work. I'm just about to head home now, but can take a 
> look later this evening. What's the filename of the ISO image you are 
> using so I can use it for testing?

Ah wait a sec - according to the IEEE-1275 spec, the device chosen from 
boot-device is the first one that can be successfully opened, i.e. 
returns a valid ihandle with open-dev. Since the cdrom device is first 
in the list (and can always be successfully opened), it will never try 
the next option.

So what you need to do is swap the order over from "cdrom cdrom:d" to 
"cdrom:d cdrom" which should give the desired behaviour.


HTH,

Mark.

-- 
Mark Cave-Ayland - Senior Technical Architect
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