User manual

5 Software Development

5. Software Development

5.1. Environment

5.1.1. Compile your software directly on the OnRISC

You can start programming directly on the OnRISC. The toolchain is already installed and GCC

compiler will be invoked in the same way it is done on a desktop Linux. To modify ﬁles you can

use vi or some other editor. This method is preferred, if your software has many dependencies.

5.1.2. Cross-compile your software on the PC

KS8695 based Devices For more convenience you can also use a PC with Linux running on it.

This can be either a directly installed Linux or Linux running in a virtual machine

for Windows

users. For the compilation of your own applications outside of the OnRISC you’ll need a cross-

compiler

for the ARM platform. You’ll ﬁnd one on the CD. Depending on your Debian version

you’ll need the appropriate version:

1. toolchain_gcc.4.2.2_libc.2.3.6.tar.bz2 for Debian 4.0 Etch

2. arm-linux-gcc-4.3.2-gnueabi.tar.bz2 for Debian 5.0 Lenny

3. arm-linux-gcc-4.4.5-gnueabi.tar.bz2 for Debian 6.0 Squeeze

Please decompress one of these archives into the /opt directory of your PC. To install the toolchain

for Debian 4.0 execute:

mount /dev/cdrom /mnt

cd /opt

tar -xvjf /mnt/development/toolchain_gcc.4.2.2_libc.2.3.6.tar.bz2

Add /opt/arm-linux-gcc-4.2.2/bin to your PATH environment variable:

export PATH=/opt/arm-linux-gcc-4.2.2/bin:$PATH

Following utilities prepent with arm-linux- will be available after extracting the ﬁles from the

archive (refer to Table 14).

Warning: please note that your software compiled for Debian 4.0 Etch can’t be executed on Debian

5.0 Lenny without recompilation due to new ABI.

If you are developing on a 64-bit OS, please install all needed 32-bit libraries (zlib etc.), because

toolchains were compiled for 32-bit OS.

You can use free VM Software like VMWare Player www.vmware.com or VirtualBox www.virtualbox.org

See http://en.wikipedia.org/wiki/Cross-compile for explanation

EABI (http://en.wikipedia.org/wiki/EABI) interface is mandatory for new Debian versions. Debian 5.0 is the

last version where you can choose between old ABI and EABI. The next version will be based only on the new

interface.

May 2014 OnRISC User Manual 31