this tool chain have been added new instruction and support multi-core application add environment valuable export PATH=$PATH:/opt/rtems-4.10/bin export RTEMS_MAKEFILE_PATH=/opt/rtems-4.10/sparc-rtems4.10/leon3

please install it in /opt

*** please preinstall gmp-4.3.2 mpfr-2.4.2 mpc-0.8.1