Boot animation

[Mitch Bradley]

Bernardo Innocenti wrote:
> Mitch Bradley wrote:
>
>   
>> I would really like to reduce the time of this "2s to 10s" phase.  The 
>> main component is JFFS2 scan time, which could be reduced to near 0 by 
>> partitioning the NAND FLASH.
>>
>> That speedup won't happen right away, but we shouldn't assume that this 
>> 8-second visual opportunity will exist for the long term.
>>     
>
> A big waste of time is that both OFW and the kernel need to
> scan JFFS2 for the same superblock.
>
> It would be nice if OFW could pass "jffs2super=0x1234" on the kernel
> command line as a hint for jffs2 to look at that block first.
>   

JFFS2 does not have a superblock.  OFW would have to pass a complete map 
of the entire node space to the kernel.

> David, would such a thing be possible?  Easy, maybe?
>   

David and I have talked about that before.  It is do-able, but not 
"easy".  Nor is it hideously hard.