1 files changed, 5 insertions, 0 deletions
diff --git a/debug/targets.py b/debug/targets.py
index eb6862b..e92b593 100644
--- a/debug/targets.py
+++ b/debug/targets.py
@@ -180,5 +180,10 @@ def target(parsed):
 
     t = found[0](parsed.target, parsed)
     assert t.harts, "%s doesn't have any harts defined!" % t.name
+    for h in t.harts :
+        if (h.xlen == 0):
+            h.xlen = parsed.xlen
+        elif (h.xlen != parsed.xlen):
+            raise Exception("The target has an XLEN of %d, but the command line specified an XLEN of %d. They must match." % (h.xlen, parsed.xlen))
 
     return t