Simplescalar-patches is a project mainly written in ..., it's free.
Some Patches for the simplescalar-arm Simulator
Patches against [[http://www.simplescalar.com/v4test.html][simplescalar-arm]].
git clone https://[email protected]/cgerum/simplescalar-patches.git
./simplescalar-patches/init.sh
cd simplesim-arm
make