From: Ian Campbell <Ian.Campbell@citrix.com>
To: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Thomas Leonard <talex5@gmail.com>,
Dave.Scott@eu.citrix.com, anil@recoil.org,
stefano.stabellini@eu.citrix.com, xen-devel@lists.xenproject.org
Subject: Re: [PATCH ARM v8 3/4] mini-os: arm: build system
Date: Wed, 22 Oct 2014 10:01:51 +0100 [thread overview]
Message-ID: <1413968511.20604.54.camel@citrix.com> (raw)
In-Reply-To: <20141021215012.GI3481@type.youpi.perso.aquilenet.fr>
On Tue, 2014-10-21 at 23:50 +0200, Samuel Thibault wrote:
> Ian Campbell, le Tue 21 Oct 2014 12:44:27 +0100, a écrit :
> > > +ifeq ($(XEN_TARGET_ARCH),arm32)
> > > +# Need libgcc.a for division helpers
> >
> > Is this the __aeabi_* stuff?
> >
> > Samuel, is this sort of thing OK in mini-os? Usually on the Xen/kernel
> > side we avoid libgcc.a and instead have our own copies of such helpers.
> > I don't recall why, I don't think it is licensing (libgcc has an
> > exception). Possibly just to give some control over what gets included?
>
> IIRC we would tend to get additional things brought in, with special
> linker features and all kinds of things we don't want to have to
> support. Since you never know what compiler would be used, it was saner
> to just provide an implementation.
So it sounds like we'd be better off finding a BSD licensed
implementation of the require __aeabi_* and including those in mini-os?
Ian.
next prev parent reply other threads:[~2014-10-22 9:02 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-03 9:20 [PATCH ARM v8 0/4] mini-os: initial ARM support Thomas Leonard
2014-10-03 9:20 ` [PATCH ARM v8 1/4] mini-os: arm: time Thomas Leonard
2014-10-21 10:50 ` Ian Campbell
2014-10-21 14:07 ` [PATCH incomplete] xen: arm: wallclock support (incomplete, needs work/refactoring) Ian Campbell
2014-10-26 9:51 ` [PATCH ARM v8 1/4] mini-os: arm: time Thomas Leonard
2014-10-27 10:34 ` Ian Campbell
2014-11-13 16:29 ` Thomas Leonard
2014-11-14 10:29 ` Ian Campbell
2014-11-19 20:57 ` Konrad Rzeszutek Wilk
2015-01-08 15:52 ` Ian Campbell
2015-01-08 15:58 ` Thomas Leonard
2015-01-08 16:04 ` Ian Campbell
2014-10-03 9:20 ` [PATCH ARM v8 2/4] mini-os: arm: interrupt controller Thomas Leonard
2014-10-21 11:00 ` Ian Campbell
2014-10-21 14:26 ` Julien Grall
2014-10-21 15:16 ` Ian Campbell
2014-10-21 15:22 ` Julien Grall
2014-10-21 15:35 ` Ian Campbell
2014-10-21 16:03 ` Julien Grall
2014-10-21 18:14 ` Anil Madhavapeddy
2014-10-21 19:18 ` Ian Campbell
2014-10-21 21:54 ` Samuel Thibault
2014-10-22 9:03 ` Ian Campbell
2014-10-22 13:06 ` Julien Grall
2014-10-22 13:14 ` Samuel Thibault
2014-10-28 15:15 ` Thomas Leonard
2014-10-28 15:25 ` Julien Grall
2014-10-28 15:43 ` Thomas Leonard
2014-10-28 15:51 ` Julien Grall
2014-11-14 10:22 ` Thomas Leonard
2014-11-14 11:33 ` Julien Grall
2014-11-14 11:42 ` Ian Campbell
2014-11-14 11:48 ` Julien Grall
2014-11-14 12:01 ` Ian Campbell
2014-10-03 9:20 ` [PATCH ARM v8 3/4] mini-os: arm: build system Thomas Leonard
2014-10-21 11:44 ` Ian Campbell
2014-10-21 21:50 ` Samuel Thibault
2014-10-22 9:01 ` Ian Campbell [this message]
2014-10-22 9:59 ` Samuel Thibault
2014-10-26 9:46 ` Thomas Leonard
2014-10-26 9:55 ` Samuel Thibault
2014-10-26 10:25 ` Thomas Leonard
2014-11-17 11:42 ` Thomas Leonard
2014-11-17 11:45 ` Ian Campbell
2014-11-17 11:47 ` Andrew Cooper
2014-11-17 11:47 ` Samuel Thibault
2014-10-03 9:20 ` [PATCH ARM v8 4/4] mini-os: arm: show registers, stack and exception vector on fault Thomas Leonard
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