SCons: Support building without an ISA

2 files changed, 14 insertions, 5 deletions

diff --git a/src/sim/SConscript b/src/sim/SConscript
index b1e3a4b02..97c6ddaae 100644
--- a/src/sim/SConscript
+++ b/src/sim/SConscript
@@ -32,28 +32,30 @@ Import('*')
 
 SimObject('BaseTLB.py')
 SimObject('Root.py')
-SimObject('System.py')
 SimObject('InstTracer.py')
 
 Source('async.cc')
 Source('core.cc')
 Source('debug.cc')
 Source('eventq.cc')
-Source('faults.cc')
 Source('init.cc')
 Source('main.cc', bin_only=True)
-Source('pseudo_inst.cc')
 Source('root.cc')
 Source('serialize.cc')
 Source('sim_events.cc')
 Source('sim_object.cc')
 Source('simulate.cc')
 Source('stat_control.cc')
-Source('system.cc')
+
+if env['TARGET_ISA'] != 'no':
+    SimObject('System.py')
+    Source('faults.cc')
+    Source('pseudo_inst.cc')
+    Source('system.cc')
 
 if env['FULL_SYSTEM']:
     Source('arguments.cc')
-else:
+elif env['TARGET_ISA'] != 'no':
     Source('tlb.cc')
     SimObject('Process.py')
 
diff --git a/src/sim/stat_control.cc b/src/sim/stat_control.cc
index 373a3f297..07e1b2380 100644
--- a/src/sim/stat_control.cc
+++ b/src/sim/stat_control.cc
@@ -39,7 +39,14 @@
 #include "base/hostinfo.hh"
 #include "base/statistics.hh"
 #include "base/time.hh"
+
+#include "config/the_isa.hh"
+#if THE_ISA == NO_ISA
+#include "arch/noisa/cpu_dummy.hh"
+#else
 #include "cpu/base.hh"
+#endif
+
 #include "sim/eventq.hh"
 
 using namespace std;