Re: Toolchain for Maverick Crunch FPU

[Claudio Scordino <cloud dot of dot andor at gmail dot com>]

Kai Ruottu wrote:
> Claudio Scordino wrote:
> >   I'm looking for a toolchain capable of compiling floating point 
> > operations for the Maverick Crunch Math engine of Cirrus EP93xx 
> > processors.
> >
> > Cirrus provides some scripts to build a gcc-3.4 toolchain with such 
> > support, but unfortunately they don't work.
> >
> > I heard that gcc 4 has the support for such FPU as well. Is it true ?
> A quick look at the current gcc-4.1.2 sources told that there is  
> support for Maverick as the FPU in ARM...

Good!

> > Does it work ?
> Don't know how well it works...

That remains my main concern...

> > Otherwise, does anybody have a pre-built toolchain for such processors ?
> For what host? (Windoze, Linux, Solaris2,...) For what target system? 
> ('bare embedded target using ELF format',
> Linux, NetBSD, eCos, RTEMS,...)

Right, I forgot to specify that I need such toolchain for a Linux host.
The target, of course, is a Cirrus EP93xx (arm920T core).

> Trying to build one would require at least these trivial facts about the 
> $host and the $target...  The build itself should
> be a piece of cake if having the necessary know-how and the Maverick 
> support "works" (= the compiler can be
> produced and also a Maverick-optimized glibc can be produced in the 
> Linux-case) in the 'arm-maverick-elf' and
> 'arm-maverick-linux-gnu' cases....
>
> As the messages:
>
>     http://lists.debian.org/debian-arm/2006/07/msg00035.html
>     http://tech.groups.yahoo.com/group/ts-7000/message/3825
>
> etc. found via Google if searching for "Cirrus EP93xx", tells the Debian 
> Linux/ARM distro may now have some
> Maverick support...  "Producing a crosstoolchain" and "Producing a 
> totally self-made Linux distro" are two things
> which people usually mix, many really thinking these two being just the 
> same thing :-(  The "crosstool" approach
> for creating one's own Linux is a good example....

I just need the toolchain, not a BSP.

Many thanks. Regards,

          Claudio