Re: [PATCH 15/19] csky: Build infrastructure
From: Guo Ren
Date: Tue Mar 27 2018 - 23:50:18 EST
Hi Arnd,
On Tue, Mar 27, 2018 at 09:38:56AM +0200, Arnd Bergmann wrote:
> Usually the way gcc handles this, either each CPU is a strict superset
> of another
> one, so you just need to specify the one with the smallest instruction set,
> or you have an option like -mcpu=generic that produces the common subset.
>
ck807 ck810 ck860 are diffrent architecture, so they can not be strict
superset and there is no option like '-mcpu=generic' in our gcc and
binutils.
I know you want one vmlinux which could run on all ck807 ck810 ck860 with
different dts-setting. But now, may I keep current design for abiv1&abiv2?
In abiv3, we will take your advice seriously.
Best Regards
Guo Ren