Re: extboot usage?

[Anthony Liguori <anthony@codemonkey.ws>]

Jun Koi wrote:
> On 4/4/08, Laurent Vivier <Laurent.Vivier@bull.net> wrote:
>   
>>  Le vendredi 04 avril 2008 à 18:29 +0900, Jun Koi a écrit :
>>
>>     
>>> On 4/3/08, Anthony Liguori <anthony@codemonkey.ws> wrote:
>>>       
>>  > > Jun Koi wrote:
>>  > >
>>  > > > Hi,
>>  > > >
>>  > > > Could someone please post some concret examples on how to use extboot?
>>  > > > I looked around, but saw nothing.
>>  > > >
>>  > > >
>>  > >
>>  > >  Just append boot=on to your -drive parameter.
>>  > >
>>  >
>>  > OK, but the question is that when I need to have "boot=on"? Because
>>  > without it (or "boot=off"), -drive still works in some cases, right?
>>
>>
>> You need extboot when you want to boot from a disk which is not managed
>>  by IDE controller.
>>     
>
> I see, thanks.
>
> in extboot.S, I see some dead code, like the macro "callout". Perhaps
> it is there for testing. It is better to get rid of it.
>   

It's debug code and it's not compiled in unless it's used so there's no 
point in eliminating it.  I personally do not enjoy rewriting 16-bit 
assembly code :-)

Regards,

Anthony Liguori

> Thanks,
> Jun
>   


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