Re: HELP: Instructions on building MPC85xx (e500) toolchain with the latest Crosstool (0.42)

[Khem Raj <khem at mvista dot com>]

Zhuang Yuyao said the following on 05/10/2006 02:49 AM:
> Khem Raj wrote:
> > Zhuang Yuyao wrote:
> > > Hi,
> > >
> > > I've searched this mail-list for instructions on building a MPC85xx 
> > > (e500) cross-compiling toolchain, there are a lot of mails related 
> > > to this topic but the instructions are either in-complete or 
> > > contradictive. Would anyone please share your experience on how to 
> > > build such a toolchain with the latest crosstool (0.42 by now)? It 
> > > would be nice if someone can provide the complete build files, 
> > > including powerpc-e500.dat and powerpc-e500.sh which are compatible 
> > > with the latest crosstool-0.42.
>
> > http://ozlabs.org/pipermail/linuxppc-embedded/2005-January/016398.html
>
> Thanks for your reply, I had read this article but it's a bit 
> outdated. I've just successfully compiled (just compiled, not tested) 
> the 8540 toolchain *without* SPE support and now trying to make a 
> SPE-enabled toolchain based on patches from ELDK 4.0 
> (http://denx.org). I've failed for several times, now the crosstool is 
> still compiling on my debian server.
>
> Here is a question somewhat off-topic: is SPE important to increase 
> the performance of a MPC854X board which is used as a VPN gateway?
I dont know what kind of processing your system requires but in general 
SPE addon can speed up the execution speed (sometimes upto 40%)
To get a better idea you should try to benchmark SPE and non SPE 
toolchains once you get them building.
> > this might help.
> > > The toolchain I am going to build is:
> > > binutils 2.16.1+
> > > gcc 3.4.5
> > > glibc 2.3.6
> > > linux kernel 2.6.15
> > >
> > > Thanks very much.
> > >
> > > Best regards,
> > >
> > >    Zhuang Yuyao
> > >
> > > --
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