mem: Tidy up BaseCache parameters

This patch simply tidies up the BaseCache parameters and removes the
unused "two_queue" parameter.

diff --git a/src/mem/cache/BaseCache.py b/src/mem/cache/BaseCache.py
index 035decf9a88e612cdbfd58c8126c869fb1d999fb..fdb41bf75e20e2b7076a02524108053ca4bd50c6 100644 (file)
--- a/src/mem/cache/BaseCache.py
+++ b/src/mem/cache/BaseCache.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012-2013 ARM Limited
+# Copyright (c) 2012-2013, 2015 ARM Limited
 # All rights reserved.
 #
 # The license below extends only to copyright in the software and shall
@@ -47,29 +47,37 @@ from Tags import *
 class BaseCache(MemObject):
     type = 'BaseCache'
     cxx_header = "mem/cache/base.hh"
-    assoc = Param.Int("associativity")
-    hit_latency = Param.Cycles("The hit latency for this cache")
-    response_latency = Param.Cycles(
-            "Additional cache latency for the return path to core on a miss");
+
+    size = Param.MemorySize("Capacity")
+    assoc = Param.Unsigned("Associativity")
+
+    hit_latency = Param.Cycles("Hit latency")
+    response_latency = Param.Cycles("Latency for the return path on a miss");
+
     max_miss_count = Param.Counter(0,
-        "number of misses to handle before calling exit")
-    mshrs = Param.Int("number of MSHRs (max outstanding requests)")
-    demand_mshr_reserve = Param.Int(1, "mshrs to reserve for demand access")
-    size = Param.MemorySize("capacity in bytes")
+        "Number of misses to handle before calling exit")
+
+    mshrs = Param.Unsigned("Number of MSHRs (max outstanding requests)")
+    demand_mshr_reserve = Param.Unsigned(1, "MSHRs reserved for demand access")
+    tgts_per_mshr = Param.Unsigned("Max number of accesses per MSHR")
+    write_buffers = Param.Unsigned(8, "Number of write buffers")
+
     forward_snoops = Param.Bool(True,
-        "forward snoops from mem side to cpu side")
+        "Forward snoops from mem side to cpu side")
     is_top_level = Param.Bool(False, "Is this cache at the top level (e.g. L1)")
-    tgts_per_mshr = Param.Int("max number of accesses per MSHR")
-    two_queue = Param.Bool(False,
-        "whether the lifo should have two queue replacement")
-    write_buffers = Param.Int(8, "number of write buffers")
-    prefetch_on_access = Param.Bool(False,
-         "notify the hardware prefetcher on every access (not just misses)")
+
     prefetcher = Param.BasePrefetcher(NULL,"Prefetcher attached to cache")
-    cpu_side = SlavePort("Port on side closer to CPU")
-    mem_side = MasterPort("Port on side closer to MEM")
-    addr_ranges = VectorParam.AddrRange([AllMemory], "The address range for the CPU-side port")
-    system = Param.System(Parent.any, "System we belong to")
+    prefetch_on_access = Param.Bool(False,
+         "Notify the hardware prefetcher on every access (not just misses)")
+
+    tags = Param.BaseTags(LRU(), "Tag store (replacement policy)")
     sequential_access = Param.Bool(False,
         "Whether to access tags and data sequentially")
-    tags = Param.BaseTags(LRU(), "Tag Store for LRU caches")
+
+    cpu_side = SlavePort("Upstream port closer to the CPU and/or device")
+    mem_side = MasterPort("Downstream port closer to memory")
+
+    addr_ranges = VectorParam.AddrRange([AllMemory],
+         "Address range for the CPU-side port (to allow striping)")
+
+    system = Param.System(Parent.any, "System we belong to")