Fix gem5 integration issues

CMakeLists.txt

@@ -28,7 +28,7 @@
 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
-# Authors: 
+# Authors:
 #    Thomas Psota
 #    Lukas Steiner
 
@@ -133,7 +133,11 @@ FetchContent_Declare(
     FIND_PACKAGE_ARGS NAMES SystemCLanguage)
 
 set(DISABLE_COPYRIGHT_MESSAGE True)
-FetchContent_MakeAvailable(systemc)
+
+# Allow populating of a user-set SystemC package
+if (NOT TARGET SystemC::systemc)
+    FetchContent_MakeAvailable(systemc)
+endif()
 
 ### DRAMPower ###
 if (DRAMSYS_WITH_DRAMPOWER)

configs/simconfig/gem5_se.json

@@ -5,7 +5,7 @@
         "DatabaseRecording": true,
         "Debug": false,
         "EnableWindowing": true,
-        "PowerAnalysis": true,
+        "PowerAnalysis": false,
         "SimulationName": "gem5_se",
         "SimulationProgressBar": true,
         "StoreMode": "Store",