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Re: [PATCH v3 3/3] or1k: gcc: initial support for openrisc
- From: Christophe Lyon <christophe dot lyon at linaro dot org>
- To: Richard Henderson <rth at twiddle dot net>
- Cc: shorne at gmail dot com, Szabolcs Nagy <Szabolcs dot Nagy at arm dot com>, gcc Patches <gcc-patches at gcc dot gnu dot org>, nd <nd at arm dot com>, openrisc at lists dot librecores dot org, Jeff Law <law at redhat dot com>, "Joseph S. Myers" <joseph at codesourcery dot com>, joel at rtems dot org, sebastian dot huber at embedded-brains dot de
- Date: Mon, 5 Nov 2018 21:14:53 +0100
- Subject: Re: [PATCH v3 3/3] or1k: gcc: initial support for openrisc
- References: <20181027043702.18414-1-shorne@gmail.com> <20181027043702.18414-4-shorne@gmail.com> <29809b24-23e5-9981-df88-6550f7f91b4c@arm.com> <20181104090544.GB16938@lianli.shorne-pla.net> <c5039c2b-f32e-0ead-cb92-72737e170f06@twiddle.net>
On Mon, 5 Nov 2018 at 20:46, Richard Henderson <rth@twiddle.net> wrote:
>
> On 11/4/18 9:05 AM, Stafford Horne wrote:
> > I have had some inqueries into helping
> > bootstrap some linux nommu machines.
>
> For nommu, we'd need to implement an FDPIC ABI.
>
> Otherwise, code segments cannot be mapped separately
> from data segments. I believe that the arm (32bit)
> port has recently added support for this, so you may
> be able to find patches from which to crib.
>
The arm patches are not committed yet, they are still under discussion.
I plan to submit v4 soon.
>
> r~