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-rw-r--r--src/python/m5/objects/BaseCache.py65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/python/m5/objects/BaseCache.py b/src/python/m5/objects/BaseCache.py
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+++ b/src/python/m5/objects/BaseCache.py
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+from m5 import *
+from BaseMem import BaseMem
+
+class Prefetch(Enum): vals = ['none', 'tagged', 'stride', 'ghb']
+
+class BaseCache(BaseMem):
+ type = 'BaseCache'
+ adaptive_compression = Param.Bool(False,
+ "Use an adaptive compression scheme")
+ assoc = Param.Int("associativity")
+ block_size = Param.Int("block size in bytes")
+ compressed_bus = Param.Bool(False,
+ "This cache connects to a compressed memory")
+ compression_latency = Param.Latency('0ns',
+ "Latency in cycles of compression algorithm")
+ do_copy = Param.Bool(False, "perform fast copies in the cache")
+ hash_delay = Param.Int(1, "time in cycles of hash access")
+ in_bus = Param.Bus(NULL, "incoming bus object")
+ lifo = Param.Bool(False,
+ "whether this NIC partition should use LIFO repl. policy")
+ max_miss_count = Param.Counter(0,
+ "number of misses to handle before calling exit")
+ mem_trace = Param.MemTraceWriter(NULL,
+ "memory trace writer to record accesses")
+ mshrs = Param.Int("number of MSHRs (max outstanding requests)")
+ out_bus = Param.Bus("outgoing bus object")
+ prioritizeRequests = Param.Bool(False,
+ "always service demand misses first")
+ protocol = Param.CoherenceProtocol(NULL, "coherence protocol to use")
+ repl = Param.Repl(NULL, "replacement policy")
+ size = Param.MemorySize("capacity in bytes")
+ split = Param.Bool(False, "whether or not this cache is split")
+ split_size = Param.Int(0,
+ "How many ways of the cache belong to CPU/LRU partition")
+ store_compressed = Param.Bool(False,
+ "Store compressed data in the cache")
+ 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")
+ prefetch_miss = Param.Bool(False,
+ "wheter you are using the hardware prefetcher from Miss stream")
+ prefetch_access = Param.Bool(False,
+ "wheter you are using the hardware prefetcher from Access stream")
+ prefetcher_size = Param.Int(100,
+ "Number of entries in the harware prefetch queue")
+ prefetch_past_page = Param.Bool(False,
+ "Allow prefetches to cross virtual page boundaries")
+ prefetch_serial_squash = Param.Bool(False,
+ "Squash prefetches with a later time on a subsequent miss")
+ prefetch_degree = Param.Int(1,
+ "Degree of the prefetch depth")
+ prefetch_latency = Param.Tick(10,
+ "Latency of the prefetcher")
+ prefetch_policy = Param.Prefetch('none',
+ "Type of prefetcher to use")
+ prefetch_cache_check_push = Param.Bool(True,
+ "Check if in cash on push or pop of prefetch queue")
+ prefetch_use_cpu_id = Param.Bool(True,
+ "Use the CPU ID to seperate calculations of prefetches")
+ prefetch_data_accesses_only = Param.Bool(False,
+ "Only prefetch on data not on instruction accesses")