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Mimiker: MIPS Micro-Kernel

An experiment with implementation of very simple operating system for Malta board.

Setup

Let's assume you'll install all required software in your home directory under local directory.

  1. Register at ovpworld.org

  2. Download OVPsim simulator package for Linux, release 20160323

  3. Unpack the downloaded package OVPsim.20160323.0.Linux32.exe. Install the unpacked directory as: ${HOME}/local/Imperas.20160323.

  4. Add to .bashrc following lines:

    source ${HOME}/local/Imperas.20160323.0/bin/setup.sh
setupImperas ${HOME}/local/Imperas.20160323.0 -m32

  5. Get your host ID, needed for a license:

    $ $IMPERAS_HOME/bin/Linux32/lmutil lmhostid
lmutil - Copyright (c) 1989-2011 Flexera Software, Inc. All Rights Reserved.
The FLEXnet host ID of this machine is "00123f7c25ed"

  6. Fill a form and send request for OVPsim license. Use host ID from previous step. Ask for a free license for personal non-commercial usage.

  7. When license received by email, put it to the file $IMPERAS_HOME/OVPsim.lic.

After you've built and installed OVPsim you need to fetch MIPS toolchain from Imagination Technologies. It's based on gcc, binutils and gdb - hopefully you're familiar with these tools. The installer is available here. In my case downloaded file was named CodescapeMIPSSDK-1.3.0.42-linux-x64-installer.run. During installation process you should choose to install into ${HOME}/local/imgtec directory. We need only a cross-compiler for Bare Metal Applications and MIPS Classic Legacy CPU IP Cores.

After toolchain installation you should comment out the last line of ${HOME}/.imgtec.sh file (with reference to QEMU path). Instead of that please add ${HOME}/local/bin to user's path.

Documentation

Useful sites:

Toolchain documentation:

MIPS documentation:

Hardware documentation: