SE/FS: Make SE vs. FS mode a runtime parameter.

src/sim/Root.py

@@ -28,6 +28,7 @@
 # Authors: Nathan Binkert
 
 from m5.SimObject import SimObject
+from m5.defines import buildEnv
 from m5.params import *
 from m5.util import fatal
 
@@ -58,6 +59,8 @@ class Root(SimObject):
 
     type = 'Root'
 
+    full_system = Param.Bool("if this is a full system simulation")
+
     # Time syncing prevents the simulation from running faster than real time.
     time_sync_enable = Param.Bool(False, "whether time syncing is enabled")
     time_sync_period = Param.Clock("100ms", "how often to sync with real time")

src/sim/full_system.hh

@@ -31,8 +31,6 @@
 #ifndef __SIM_FULL_SYSTEM_HH__
 #define __SIM_FULL_SYSTEM_HH__
 
-#include "config/full_system.hh"
-
-static const bool FullSystem = FULL_SYSTEM;
+extern bool FullSystem;
 
 #endif // __SIM_FULL_SYSTEM_HH__

src/sim/root.cc

@@ -33,6 +33,7 @@
 
 #include "base/misc.hh"
 #include "debug/TimeSync.hh"
+#include "sim/full_system.hh"
 #include "sim/root.hh"
 
 Root *Root::_root = NULL;
@@ -123,6 +124,8 @@ Root::loadState(Checkpoint *cp)
     timeSyncEnable(params()->time_sync_enable);
 }
 
+bool FullSystem;
+
 Root *
 RootParams::create()
 {
@@ -132,5 +135,7 @@ RootParams::create()
 
     created = true;
 
+    FullSystem = full_system;
+
     return new Root(this);
 }