Re: crosstool 0.43 for MPC8541 (e500)

[Jim Martin <jim at daedelus dot com>]

Nate,
	
On Sep 15, 2008, at 2:52 PM, Nate Case wrote:
> >
> I've recently built an e500v2 toolchain (targeting the 8548 and 8572)
> using the following combination:
>
>    * crosstool-ng (svn trunk)
>    * eglibc 2.6
>    * gcc 4.3.1
>    * binutils 2.18
>
> I wouldn't expect an e500 toolchain to be as tricky since it doesn't
> have the funky double-precision floating point unit that the e500v2  
> core
> has.  I recommend using eglibc instead of glibc since it comes with  
> some
> of the required e500 patches out of the box.  Also, gcc 4.3.1 finally
> merged a lot of the e500 code that sat in external patches for a long
> time prior.  Very few external patches should be required using these
> versions.

	Thanks! I'm giving that a shot as I type this. Unfortunately, the  
group I'm working with /really/ wants a normal, standard, glibc. If  
you were going that route, would you have any suggestions? I'm  
specifically asking things like versions, and known-needed patches.

> Some tips for e500:
>
> Target CFLAGS: -mspe=yes -mabi=spe -Wa,-me500
> Binutils extra config: --enable-spe=yes --enable-e500 --with-e500

	Ah, gotta love these little nuggets.

	Thanks a million!

	- Jim

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