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From: Richard Henderson <rth@twiddle.net>
To: Stafford Horne <shorne@gmail.com>, Szabolcs Nagy <Szabolcs.Nagy@arm.com>
Cc: GCC patches <gcc-patches@gcc.gnu.org>, nd <nd@arm.com>,
	Openrisc <openrisc@lists.librecores.org>,
	Jeff Law <law@redhat.com>, Joseph Myers <joseph@codesourcery.com>,
	Joel Sherrill <joel@rtems.org>,
	Sebastian Huber <sebastian.huber@embedded-brains.de>
Subject: Re: [PATCH v3 3/3] or1k: gcc: initial support for openrisc
Date: Mon, 05 Nov 2018 19:46:00 -0000	[thread overview]
Message-ID: <c5039c2b-f32e-0ead-cb92-72737e170f06@twiddle.net> (raw)
In-Reply-To: <20181104090544.GB16938@lianli.shorne-pla.net>

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.


r~

  parent reply	other threads:[~2018-11-05 19:46 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-27  6:03 [PATCH v3 0/3] OpenRISC port Stafford Horne
2018-10-27  9:34 ` [PATCH v3 1/3] or1k: libgcc: initial support for openrisc Stafford Horne
2018-10-28  3:19   ` Segher Boessenkool
2018-10-28  8:30     ` Stafford Horne
2018-10-28  9:16   ` Richard Henderson
2018-10-29 14:22     ` Stafford Horne
2018-10-27 10:31 ` [PATCH v3 3/3] or1k: gcc: " Stafford Horne
2018-10-28 12:38   ` Richard Henderson
2018-10-30 14:07     ` Stafford Horne
2018-10-30 17:06       ` Richard Henderson
2018-10-31  4:38         ` Stafford Horne
2018-10-28 14:13   ` Segher Boessenkool
2018-10-29  7:32     ` Stafford Horne
2018-10-29  8:16       ` Segher Boessenkool
2018-10-30 14:44         ` Stafford Horne
2018-10-30 17:21           ` Segher Boessenkool
2018-10-31  3:26             ` Stafford Horne
2018-10-31 15:04               ` Jeff Law
2018-10-29  7:49     ` Richard Henderson
2018-10-29 13:58       ` Stafford Horne
2018-10-29 18:07         ` Segher Boessenkool
2018-10-29 18:44           ` Richard Henderson
2018-10-30 12:49             ` Stafford Horne
2018-10-30 16:12               ` Segher Boessenkool
2018-10-29 15:02   ` Szabolcs Nagy
2018-11-04  9:05     ` Stafford Horne
2018-11-05 11:13       ` Szabolcs Nagy
2018-11-05 15:10         ` Rich Felker
2018-11-05 20:59           ` Stafford Horne
2018-11-05 20:52         ` Stafford Horne
2018-11-05 19:46       ` Richard Henderson [this message]
2018-11-05 20:16         ` Christophe Lyon
2018-10-27 11:00 ` [PATCH v3 2/3] or1k: testsuite: " Stafford Horne
2018-10-28 11:31   ` Richard Henderson
2018-10-28 12:21 ` [PATCH v3 0/3] OpenRISC port Richard Henderson

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