1 files changed, 12 insertions, 0 deletions
diff --git a/src/python/m5/simulate.py b/src/python/m5/simulate.py
index b4ccf82c1..38129592c 100644
--- a/src/python/m5/simulate.py
+++ b/src/python/m5/simulate.py
@@ -40,6 +40,7 @@ import SimObject
 import ticks
 import objects
 from util import fatal
+from util import attrdict
 
 # define a MaxTick parameter
 MaxTick = 2**63 - 1
@@ -71,6 +72,17 @@ def instantiate(ckpt_dir=None):
             obj.print_ini(ini_file)
         ini_file.close()
 
+    if options.json_config:
+        try:
+            import json
+            json_file = file(os.path.join(options.outdir, options.json_config), 'w')
+            d = root.get_config_as_dict()
+            json.dump(d, json_file, indent=4)
+            json_file.close()
+        except ImportError:
+            pass
+
+
     # Initialize the global statistics
     stats.initSimStats()