physmem: Add a null option to physical memory so it doesn't store data.

2008-06-15 21:39:29 -07:00
parent e3c267a3db
commit fa8f91fdc0
2 changed files with 23 additions and 13 deletions
--- a/src/mem/PhysicalMemory.py
+++ b/src/mem/PhysicalMemory.py
@@ -38,6 +38,7 @@ class PhysicalMemory(MemObject):
    latency = Param.Latency('1t', "latency of an access")
    latency_var = Param.Latency('0ns', "access variablity")
    zero = Param.Bool(False, "zero initialize memory")
+    null = Param.Bool(False, "do not store data, always return zero")

 class DRAMMemory(PhysicalMemory):
    type = 'DRAMMemory'