Fix bugs in ccnuma_fs scripts: the simulated NUMA system is actually a simple NUMA system!

Author: mcai

configs/numa/ccnuma_FSConfig.py

@@ -88,7 +88,7 @@ class BaseTsunami(Tsunami):
     self.tsunami.ethernet.pio = self.iobus.master
     self.tsunami.ethernet.config = self.iobus.master
 
-    self.systembus = MemBus()
+    self.systembus = IOXBar()
 
     # By default the bridge responds to all addresses above the I/O
     # base address (including the PCI config space)

configs/numa/ccnuma_fs.py

@@ -87,7 +87,7 @@ def __init__(self, id = -1):
 
         self.mem_ranges = [AddrRange(Addr(str(self.id * 512) + 'MB'), size = options.mem_size_per_domain)] # TODO: 512 should not be hardcoded
 
-        self.membus = SystemXBar()
+        self.membus = MemBus()
 
 def build_test_system(np):
     cmdline = cmd_line_template()