From: Matthias Kaehlcke <matthias@kaehlcke.net>
To: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Cc: crossgcc@sourceware.org,
H Hartley Sweeten <hartleys@visionengravers.com>
Subject: Re: crosstool-ng: cross compiler for -mach=arm4vt (Cirrus Logic EP93xx target)
Date: Tue, 08 Sep 2009 21:31:00 -0000 [thread overview]
Message-ID: <20090908213009.GB3769@darwin> (raw)
In-Reply-To: <200909082317.35886.yann.morin.1998@anciens.enib.fr>
El Tue, Sep 08, 2009 at 11:17:34PM +0200 Yann E. MORIN ha dit:
> Hello H Hartley,
> All,
>
> On Tuesday 08 September 2009 22:42:24 H Hartley Sweeten wrote:
> > I have been trying to get CodeSourcery's arm-none-linux-gnueabi (Sourcery
> > G++ Lite 2009q1-203) 4.3.3 toolchain to work with Buildroot and an EP93xx
> > based target. Â Unfortunately Buildroot is not setup to handle the multilib
> > feature of that toolchain (default libraries are for ARMv5T). Â I have
> > tried a number of ways in Buildroot to get that that toolchain to work but
> > my resulting filesystem always dies due to an unrecognized instruction.
>
> If we can trust the Linux kernel, then the EP93xx is an arm920t, which
> is an armv4, not an armv5t. Which can explain why you have an illegal
> instruction...
>
> > I followed the Download and usage instructions on the website:
> [--SNIP install steps--]
>
> Correct. :-)
>
> > I think I have everything setup and configured correctly but I can't figure
> > out why the build is failing. From the build.log it appears that linuxthreads
> > is getting checked out but when the build tries to mv it the files do not exist:
> > [ALL ] cvs checkout: Updating linuxthreads/linuxthreads_db
> > [DEBUG] ==> Executing: 'mv linuxthreads glibc-linuxthreads-cvs-2.7'
> > [ALL ] mv: cannot stat `linuxthreads': No such file or directory
> > [ERROR] Build failed in step 'Retrieving needed toolchain components' tarballs'
>
> I don't download everything every time, so it may well be that something
> broke at some point. Care to send your .config, so I can try to reproduce?
>
> > Do I have something configured incorrectly or am I doing something wrong?
> > Is there a "magic" combination of the Binutils/C compiler/C-library version
> > that must be used?
>
> There's no armv4t sample in crosstool-NG.
> But you could base your configuration on the arm-unknown-linux-uclibc
> sample, and update the configuration to something like:
> Target options -->
> (armv4t) Architecture level
> () Generate code for the specific ABI
> (ep9312) Emit assembly for CPU
> (ep9312) Tune for CPU
> (maverick) Use specific FPU
> Floating point: ---> hardware (FPU)
>
> NB: do not enable EABI, I think it requires at least armv5t, but I'm
> not sure. So stay on the safe side, and stick with OABI.
nope, i use EABI with arm4vt CPUs (ep93xx). some time i ran into the
same issue as hartley, and martin guy kindly provided a solution:
http://sourceware.org/ml/crossgcc/2008-05/msg00009.html
--
Matthias Kaehlcke
Embedded Linux Engineer
Barcelona
I am incapable of conceiving infinity, and yet I do not accept finity
(Simone de Beauvoir)
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-
--
For unsubscribe information see http://sourceware.org/lists.html#faq
next prev parent reply other threads:[~2009-09-08 21:31 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-08 20:42 H Hartley Sweeten
2009-09-08 21:17 ` Yann E. MORIN
2009-09-08 21:31 ` Matthias Kaehlcke [this message]
2009-09-09 8:39 ` Steve Papacharalambous
2009-09-09 11:21 ` Martin Guy
2009-09-09 15:30 ` Steve Papacharalambous
2009-09-09 13:42 ` ng
2009-09-09 17:26 ` H Hartley Sweeten
2009-09-11 10:29 ` Martin Guy
2009-09-08 22:48 H Hartley Sweeten
2009-09-09 11:01 ` Martin Guy
2009-09-09 18:06 ` H Hartley Sweeten
2009-09-09 19:26 ` wino
2009-09-11 19:33 ` Martin Guy
2009-09-11 21:57 ` ng
2009-09-11 22:12 ` wino
2009-09-11 22:20 ` Martin Guy
2009-09-12 20:18 ` Khem Raj
2009-09-13 13:15 ` Martin Guy
2009-09-13 15:55 ` Khem Raj
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090908213009.GB3769@darwin \
--to=matthias@kaehlcke.net \
--cc=crossgcc@sourceware.org \
--cc=hartleys@visionengravers.com \
--cc=yann.morin.1998@anciens.enib.fr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).