Compiling the Kernel for the SL-C700 with IPv6 Support

From OESF

Revision as of 08:48, 19 November 2006

I took this how-to from http://www.linux-ipv6.org/%7Ekunitake/zaurus/

NOTE: The USAGI ipv6 stack is not the official ipv6 stack and you do not need any patches to compile the official stack.

Setup your Cross-compiling environment

http://www.zaurus.com/dev/tools/other.htm

If you are a Debian user, you can convert deb packages from rpm by using the alien command.

$ fakeroot alien package.rpm

These packages were installed at following directory.

/opt/Embedix/tool

So, You need to set a path.

 bash
 $ export PATH=/opt/Embedix/tools/bin:$PATH

 csh
 $ setenv PATH /opt/Embedix/tools/bin:$PATH

kernel recompiling (for SL-C700)

If you want to use IPv6, please use the USAGI stack. http://www.linux-ipv6.org/

I'll try to explain how to recompile the kernel based on USAGI. Sharp provide source code based on 2.4.18, therefore we need to download a usagi-snapshot based on 2.4.18.

   * ftp://ftp.linux-ipv6.org/pub/usagi/snap/kit/usagi-linux24-s20020722.tar.bz2

Next, we should download thr following patches for the Zaurus.

   * linux-2.4.18-rmk7-pxa3-embedix-slc700-slb500-20021214-rom1_00.bz2 http://more.sbc.co.jp/sl_j/source/source_dl.htm#source-B500-100JP

   * ftp://ftp.arm.linux.org.uk/pub/armlinux/kernel/v2.4/patch-2.4.18-rmk7.bz2
   * ftp://ftp.arm.linux.org.uk/pub/linux/arm/people/nico/diff-2.4.18-rmk7-pxa3.gz

This assumes that you downloaded these patches to $somewhere.

First, uncompress the USAGI code.

 $ cd $somewhere
 $ bzip2 -cd usagi-linux24-s20020722.tar.bz2 | tar xvf -
 $ cd usagi
 $ make prepare TARGET=linux24
 $ cd kernel/linux24

Apply the following patches

 $ bzcat $somewhere/patch-2.4.18-rmk7.bz2 | patch -p1
 $ zcat $somewhere/diff-2.4.18-rmk7-pxa3.gz | patch -p1
 $ bzcat $somewhere/linux-2.4.18-rmk7-pxa3-embedix-slc700-slb500-20021214-rom1_00.bz2 | patch -p1

I think a conflict occurs in the Makefile. Please apply this patch.

   * zau-usa.patch http://www.linux-ipv6.org/%7Ekunitake/zaurus/zau-usa.patch

 $ patch -p1 < $somewhere/zau-usa.patch

Now our target is C700, that is why we need to use arch/arm/def-configs/corgi

 $ cp arch/arm/def-configs/corgi .config

 $ make menuconfig

If you want to use davfs2, You should select "Coda file system" option too.

menuconfig

Finally, we start compiling. Please comfirm your $PATH. (include /opt/Embedix/tools/bin ?)

 $ make dep; make clean;make zImage

Setup new kernel of Zaurus

Transfer your new images to a CF card and flash the zaurus.

After reboot Zaurus, please confirm interface addresses. I think you find IPv6 addresses(::1) with lo interface.

 $ ifconfig -a
 lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:3274 errors:0 dropped:0 overruns:0 frame:0
           TX packets:3274 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:596683 (582.6 KiB)  TX bytes:596683 (582.6 KiB)

Install IPv6 applications:

   * ssh
   * tcp_wrappers
   * inetd
   * telnet
   * w3m
   * cvs
   * ncftp
   * ninfod
   * pfkey
   * ppp
   * cadaver
   * davfs2
   * vnc
   * usagi-tools

http://www.linux-ipv6.org/~kunitake/zaurus/feed/

http://zaurus-ja.sourceforge.jp/feed/

http://debian.fabbione.net/stat/

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