How do you guys cross compile for Zynq (Cortex A9)?
Emb Aud
embaudarm at gmail.com
Mon May 23 03:34:31 UTC 2016
Interesting. When it comes time to build some ports (I'm sure I'll want to
eventually), I will give this a try.
Thank you.
On Sun, May 22, 2016 at 7:54 PM, Otacílio <otacilio.neto at bsd.com.br> wrote:
> Em 22/05/2016 15:48, Emb Aud escreveu:
>
>> Hi Everyone,
>>
>> I've got FreeBSD compiled and running on my Zybo (Xilinx Zynq CPU).
>>
>> But I can't figure out how to compile programs to run on it.
>>
>> I've gone round and round with teh gcc-arm-embedded-5.2.20151219_1
>> package, and also with the arm-none-eabi-gcc* packages. Nothing seem to
>> work and there is almost no documentation on this.
>>
>> It also looks like the Cortex A9 is armv7-a, but the FreeBSD compile
>> instructions I've found (and that work) are for armv6.
>>
>> My first problem was not finding the stdio.h header when I tried to
>> compile. I solved that by switching to the gcc-arm-embedded package. Now
>> when I compile it finds the header but it barfs on libc.a... With errors
>> like "undefined reference to `_exit'" and other very basic libc functions.
>>
>> Can anyone tell me how you are compiling your Zynq programs?
>>
>> Thank you.
>> _______________________________________________
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>>
>
> Dear
>
> I have a Beaglebone Black and I'm using my i7 to cross compile packages
> for beaglebone. The procedure that I'm using is the follow:
>
> 1. Update the FreeBSD cross compiler machine to FreeBSD 11.
>
> 2. Install poudriere from ports, so you must enable "QEMU Add
> qemu-user-static to compile ports for non-x86 architect". Remember to start
> qemu after install and add to /etc/rc.conf
>
> 3. The first time that I have installed qemu I ran the follow line, but
> it not clear for me if this still necessary, but the command is the follow:
>
> |# binmiscctl add armv6 --interpreter "/usr/local/bin/qemu-arm-static"
> --magic
> "\x7f\x45\x4c\x46\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00"
> --mask
> "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"
> --size 20 --set-enabled 4. I run uname -a to see the revision of my freebsd
> box and then I run: |
> # poudriere jail -x -c -j 110armv6 -a arm.armv6 -m svn -v head at 300438
>
> This will take a lot of time. where you can replace 300438 by the revision
> that you are using. The -x flag is very important to poudriere run native
> tools (like clang) when available to improve
> compiler time. When I update the jail I use -x also.
>
> 5. Checkout the ports tree. I do it with:
>
> # poudriere ports -c -f poudriere/ports/110armv6 -p 110armv6 -m svn
>
> So, when I need update the ports tree I run cd
> /usr/local/poudriere/ports/110armv6/ and svnlite up -r <REVISION>
>
> 6. Edit a file with the ports that you want compile. For example:
>
> sysutils/tmux
> sysutils/screen
> sysutils/usbutils
> net/vnstat
> multimedia/webcamd
> multimedia/ffmpeg
> benchmarks/iperf
> devel/git
> multimedia/v4l-utils
> multimedia/pwcview
>
> and save bbb-pkg_plist
>
> 7. Configure ports options:
> # poudriere options -c -f bbb-pkg_plist -j 110armv6
>
> 8. Start the build:
>
> # poudriere bulk -j 110armv6 -p 110armv6 -v -f bbb-pkg_plist
>
> 9. Poudriere dumps lots of log. You can use a browser to see the build
> work. To this install nginx (/usr/ports/www/nginx). Add this to section
> http of
>
> /usr/local/etc/nginx/nginx.conf . I will show the full http entry. My
> machine name is nostromo:
>
> http {
> include mime.types;
> default_type application/octet-stream;
>
> #log_format main '$remote_addr - $remote_user [$time_local]
> "$request" '
> # '$status $body_bytes_sent "$http_referer" '
> # '"$http_user_agent" "$http_x_forwarded_for"';
>
> #access_log logs/access.log main;
>
> sendfile on;
> #tcp_nopush on;
>
> #keepalive_timeout 0;
> keepalive_timeout 65;
>
> #gzip on;
>
> server {
> listen 0.0.0.0:8080;
> server_name nostromo;
> root /usr/local/share/poudriere/html;
> # Allow caching static resources
> location ~* ^.+\.(jpg|jpeg|gif|png|ico|svg|woff|css|js|html)$ {
> add_header Cache-Control "public";
> expires 2d;
> }
> location /data {
> alias /usr/local/poudriere/data/logs/bulk;
> # Allow caching dynamic files but ensure they get rechecked
> location ~* ^.+\.(log|txz|tbz|bz2|gz)$ {
> add_header Cache-Control "public, must-revalidate,
> proxy-revalidate";
> }
> # Don't log json requests as they come in frequently and
> ensure
> # caching works as expected
> location ~* ^.+\.(json)$ {
> add_header Cache-Control "public, must-revalidate,
> proxy-revalidate";
> access_log off;
> log_not_found off;
> }
> # Allow indexing only in log dirs
> location ~ /data/?.*/(logs|latest-per-pkg)/ {
> autoindex on;
> }
> break;
> }
> location /repo {
> alias /usr/local/poudriere/data/packages;
> autoindex on;
> }
> }
> }
>
>
> 10. Edit file /usr/local/etc/nginx/mime.types and to text/plain enter add
> log:
>
> text/plain txt log;
>
> 11. And start nginx:
>
> # /usr/local/etc/rc.d/nginx start
>
> Now you can follow the build. open in your browser the http://<IP OF YOUR
> BUILD MACHINE>:8080
>
> 12. While poudriere compile the ports it is necessary configure beaglebone
> to use your machine like a package repo. I do it doing two things in
> Beaglebone. First I run this command:
>
> |# mkdir -p /usr/local/etc/pkg/repos # echo "FreeBSD: { enabled: no }" >
> /usr/local/etc/pkg/repos/FreeBSD.conf 13. Then edit
> ||/usr/local/etc/pkg/repos/nostromo.conf . Remember, nostromo is my cross
> compile machine, replace by yours machine. I Add this lines: ||nostromo: {
> url: "pkg+http://nostromo:8080/repo/110armv6-110armv6/.latest",
> mirror_type: "srv", enabled: yes } 14. Edit /etc/hosts in your beaglebone
> and add the ip of your build machine. When build ends you can install
> packages with pkg install . So all times that I wrote beaglebone you can
> replace by your board :) . I follow this procedure by the first time from
> this link:
> https://www.textplain.net/tutorials/2015/cross-compiling-freebsd-ports-for-the-beaglebone-black/
> But I have modified some things. |||I hope that this can help you.| []'s
> -Otacílio |
>
> _______________________________________________
> freebsd-arm at freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-arm
> To unsubscribe, send any mail to "freebsd-arm-unsubscribe at freebsd.org"
>
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