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-rw-r--r--src/dev/alpha/AlphaBackdoor.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/dev/alpha/AlphaBackdoor.py b/src/dev/alpha/AlphaBackdoor.py
index fa9627164..f7402f593 100644
--- a/src/dev/alpha/AlphaBackdoor.py
+++ b/src/dev/alpha/AlphaBackdoor.py
@@ -26,6 +26,7 @@
#
# Authors: Nathan Binkert
+from m5.defines import buildEnv
from m5.params import *
from m5.proxy import *
from Device import BasicPioDevice
@@ -35,4 +36,5 @@ class AlphaBackdoor(BasicPioDevice):
cpu = Param.BaseCPU(Parent.cpu[0], "Processor")
disk = Param.SimpleDisk("Simple Disk")
terminal = Param.Terminal(Parent.any, "The console terminal")
- system = Param.AlphaSystem(Parent.any, "system object")
+ if buildEnv['FULL_SYSTEM']: # No AlphaSystem in SE mode.
+ system = Param.AlphaSystem(Parent.any, "system object")