Re: How can I link the kernel with libgcc ?

[Carlos Munoz]

Lee Revell wrote:

> On Thu, 2006-03-09 at 20:45 -0500, Valdis.Kletnieks@xxxxxx wrote:
>  
>
> > On Thu, 09 Mar 2006 17:44:16 PST, Carlos Munoz said:
> >    
> >
> > > I'm writing an audio driver and the hardware requires floating point 
> > > arithmetic.  When I build the kernel I get the following errors at link 
> > > time:
> > >      
> > Tough break, that.  You sure you can't figure a way to either push the
> > floating point out to userspace
> >    
>
> Audio drivers should never have to directly manipulate the samples -
> they just manage the DMA buffers and interrupts and wake up the process
> at the right time.  Mixing, routing, volume control, DSP go in
> userspace.
>
> Lee
>
>  
Hi Lee,

Unfortunately, the driver needs to populate several coefficient tables 
for the hardware to perform silence suppression and other advance 
features. The values for these tables are calculated using log10 
operations. I don't  see a clean way to push these operations to user 
space without the need for custom applications that build the tables and 
pass them to the driver.

Thanks,


Carlos Munoz
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