-# Copyright (c) 2012 ARM Limited
+# Copyright (c) 2012-2013 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
from m5.proxy import *
from MemObject import MemObject
from Prefetcher import BasePrefetcher
-
+from Tags import *
class BaseCache(MemObject):
type = 'BaseCache'
+ cxx_header = "mem/cache/base.hh"
assoc = Param.Int("associativity")
- block_size = Param.Int("block size in bytes")
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");
- hash_delay = Param.Cycles(1, "time in cycles of hash access")
max_miss_count = Param.Counter(0,
"number of misses to handle before calling exit")
mshrs = Param.Int("number of MSHRs (max outstanding requests)")
- prioritizeRequests = Param.Bool(False,
- "always service demand misses first")
- repl = Param.Repl(NULL, "replacement policy")
size = Param.MemorySize("capacity in bytes")
forward_snoops = Param.Bool(True,
"forward snoops from mem side to cpu side")
is_top_level = Param.Bool(False, "Is this cache at the top level (e.g. L1)")
- subblock_size = Param.Int(0,
- "Size of subblock in IIC used for compression")
tgts_per_mshr = Param.Int("max number of accesses per MSHR")
- trace_addr = Param.Addr(0, "address to trace")
two_queue = Param.Bool(False,
"whether the lifo should have two queue replacement")
write_buffers = Param.Int(8, "number of write buffers")
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")
+ sequential_access = Param.Bool(False,
+ "Whether to access tags and data sequentially")
+ tags = Param.BaseTags(LRU(), "Tag Store for LRU caches")