Difference between revisions of "DaCapo benchmarks"
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sudo mkdir /mnt/ubuntu-gem5 | sudo mkdir /mnt/ubuntu-gem5 | ||
sudo mount -o loop,offset=32256 arm-ubuntu-natty-headless.img /mnt/ubuntu-gem5 | sudo mount -o loop,offset=32256 arm-ubuntu-natty-headless.img /mnt/ubuntu-gem5 | ||
− | + | //setup the Java install directory and copy the Java directory over to your image | |
cd /mnt/ubuntu-gem5/usr/lib | cd /mnt/ubuntu-gem5/usr/lib | ||
sudo mkdir jvm | sudo mkdir jvm |
Revision as of 21:07, 2 July 2012
This page describes how to get the Oracle-Sun JRE version 7 working on a disk image for use with ARM gem5. This will allow you to use the DaCapo benchmarks, which are on the Ubuntu image for gem5 ARM in the /benchmarks/dacapo
directory.
Installing Oracle-Sun Java on an Ubuntu image for ARM gem5
Download the standard edition(SE) of Java 7 from Oracle. The SE version is the free version of Java available from Oracle. Make sure to get the headless version of the JRE for ARMv6/7 from Oracle. You may need to register with Oracle before being allowed to download. Once you have this, untar it.
- Create a mount point and mount the Ubuntu image:
sudo mkdir /mnt/ubuntu-gem5 sudo mount -o loop,offset=32256 arm-ubuntu-natty-headless.img /mnt/ubuntu-gem5 //setup the Java install directory and copy the Java directory over to your image cd /mnt/ubuntu-gem5/usr/lib sudo mkdir jvm cd ./jvm sudo cp -a /path_to_jre/jre_folder . ln -s ./jre_dir java-7-sun
- Install Java:
cd /mnt/ubuntu-gem5 sudo bind -o /proc ./proc sudo bind -o /dev ./dev sudo bind -o /sys ./sys sudo chroot . exec ./bin/bash //now install Java update-alternatives --install /usr/bin/java java /usr/lib/jvm/java-7-sun/bin/java 1 update-alternatives --install /usr/bin/keytool keytool /usr/lib/jvm/java-7-sun/bin/keytool 1 //setup .jinfo file echo "name=java-7-sun" > .java-7-sun.jinfo echo "alias=java-7-sun" >> .java-7-sun.jinfo echo "priority=1" >> .java-7-sun.jinfo echo "section=non-free" >> .java-7-sun.jinfo echo "jre java /usr/lib/jvm/java-7-sun/bin/java" >> .java-7-sun.jinfo echo "jre keytool /usr/lib/jvm/java-7-sun/bin/keytool" >> .java-7-sun.jinfo //update java alternatives update-java-alternatives -s java-7-sun
Once you have unmounted the image, you should be able to run Java with this disk image. Boot this image on gem5 and from the terminal type java -version
to verify the Java version on your image.