Re: using videodevX under PPC computer

[Justin Schoeman <justin@xxxxxxxxxxxxxxxxxxxx>]

Ilan Finci wrote:
> Hi,
> I'm trying to move to v4l2 on a PPC machine I have (I currently go v4l 
> working there). I'm using kernel 2.4.16 and videodevX-20011221.tgz.
>
> I've compiled the kernel with video4linux enabled as a module, then 
> booted using this kernel, compiled the videodevX sources. The problem is 
> that when I do "make install" I get a message about unresolved symbols. 
> When I try to insmod the module I get an error that 2 symbols are not 
> resolved:
> /lib/modules/2.4.16/kernel/drivers/media/video/videodevX.o: unresolved 
> symbol __udivdi3
> /lib/modules/2.4.16/kernel/drivers/media/video/videodevX.o: unresolved 
> symbol __umoddi3
>
> I see in videodevX.c that the function v4l2_math_div6432(...) I see that 
> for intel cpus, there is an assembly code, and for others, a use of the 
> '/' and '%', can this be the problem? Are they defined in the kernel?

This is the problem. / and % will work on 64 bit machines (I think?), 
but not on 32 bit machines... The / can be replaced by do_div(), but not 
the mod.  Anybody have any ideas?

-justin