Re: [PATCH 1/6] powerpc/32s: add an option to exclusively select powerpc 601
From: Michael Ellerman
Date: Sun Sep 01 2019 - 23:29:42 EST
On Mon, 2019-08-26 at 15:52:13 UTC, Christophe Leroy wrote:
> Powerpc 601 is rather old powerpc which as some important
> limitations compared to other book3s/32 powerpcs:
> - No Timebase.
> - Common BATs for instruction and data.
> - No execution protection in segment registers.
> - No RI bit in MSR
> - ...
> It is starting to be difficult and cumbersome to maintain
> kernels that are compatible both with 601 and other 6xx cores.
> Create a compiletime option to exclusively select either powerpc 601
> or other 6xx.
> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
Series applied to powerpc next, thanks.