Added a parameter to set memory to zero. This is to support Legion, and once we can make our own hypervisor binary, we probably won't need it.

--HG--
extra : convert_revision : 168883e4a5d3760962cd9759a6f41c66f5a6402a

src/python/m5/objects/PhysicalMemory.py

@@ -9,6 +9,7 @@ class PhysicalMemory(MemObject):
     range = Param.AddrRange(AddrRange('128MB'), "Device Address")
     file = Param.String('', "memory mapped file")
     latency = Param.Latency(Parent.clock, "latency of an access")
+    zero = Param.Bool(False, "zero initialize memory")
 
 class DRAMMemory(PhysicalMemory):
     type = 'DRAMMemory'