tests: Add systemc test

Change-Id: I2eb5f6725942829940fc2bd18f1c321dea567840
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/59689
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>

tests/nightly.sh

@@ -173,6 +173,30 @@ scons build/${isa}/libgem5_${variant}.so -j${compile_threads} --without-tcmalloc
 cd ext/sst; \
 make clean; make -j ${compile_threads}; \
 sst --add-lib-path=./ sst/example.py; \
+cd -;
 "
 }
 build_and_run_SST RISCV opt
+
+build_and_run_systemc () {
+    docker run -u $UID:$GID --volume "${gem5_root}":"${gem5_root}" -w \
+        "${gem5_root}" --memory="${docker_mem_limit}" --rm \
+        gcr.io/gem5-test/ubuntu-20.04_all-dependencies:latest bash -c "\
+scons -j${compile_threads} build/ARM/gem5.opt; \
+scons --with-cxx-config --without-python --without-tcmalloc USE_SYSTEMC=0 \
+    -j${compile_threads} build/ARM/libgem5_opt.so \
+"
+
+    docker run -u $UID:$GID --volume "${gem5_root}":"${gem5_root}" -w \
+        "${gem5_root}" --memory="${docker_mem_limit}" --rm \
+        gcr.io/gem5-test/systemc-env:latest bash -c "\
+cd util/systemc/gem5_within_systemc; \
+make -j${compile_threads}; \
+../../../build/ARM/gem5.opt ../../../configs/example/se.py -c \
+    ../../../tests/test-progs/hello/bin/arm/linux/hello; \
+LD_LIBRARY_PATH=../../../build/ARM/:/opt/systemc/lib-linux64/ \
+    ./gem5.opt.sc m5out/config.ini; \
+cd -; \
+"
+}
+build_and_run_systemc