ARCH=ppc or ARCH=powerpc
BDE at teamlog.com
Thu Aug 24 22:58:15 EST 2006
Le jeudi 24 août 2006 à 07:49 -0500, Josh Boyer a écrit :
> On Thu, 2006-08-24 at 05:38 -0700, Parav Pandit wrote:
> > ppc = 32bit.
> > powerpc= 64bit.
> > Correct me if I am wrong.
> Yes, you're wrong. Some 32 bit boards are also under arch/powerpc now.
> > I am not sure why community didn't adopt the name ppc and ppc64 just
> > like ia-32 and ia64.
> They did originally.
> The new direction is to have everything under arch/powerpc, both 32 and
> 64 bit. The reason arch/ppc still exists is because some 32 bit
> platforms have not been fully migrated to the requirements to be merged
> into arch/powerpc. Namely, the code has to boot from an OpenFirmware
> like flattened device tree. The PPC 4xx family of processors, as an
> example, does not do this yet though there is work going on to adapt it.
I'm currently working on a PPC 405 based developement card. Does it mean
I have to work using the arch/ppc tree ?
What about the includes ? Do I have to use only include/asm-ppc or are
include/asm-powerpc necessary as well ?
> Eventually, arch/ppc will go away and all of PowerPC will be under
> arch/powerpc. That's the goal anyway.
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