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authorRon Dreslinski <rdreslin@umich.edu>2006-11-15 18:22:15 -0500
committerRon Dreslinski <rdreslin@umich.edu>2006-11-15 18:22:15 -0500
commitdbdf2f14ae6b586efd31b73aa4548a38ecee263f (patch)
treefbb16a45b68b98e23636d298e89801bd8826632a
parent4fbbb74a5c060110affdb235ce87bb53e2938b43 (diff)
downloadgem5-dbdf2f14ae6b586efd31b73aa4548a38ecee263f.tar.xz
Add L2 cache option to fs.py --l2cache
--HG-- extra : convert_revision : 5bdd1129c3b23e91d441e7b83f6a824ef7740fab
-rw-r--r--configs/common/Caches.py7
-rw-r--r--configs/example/fs.py14
2 files changed, 20 insertions, 1 deletions
diff --git a/configs/common/Caches.py b/configs/common/Caches.py
index d86fba246..4692ef537 100644
--- a/configs/common/Caches.py
+++ b/configs/common/Caches.py
@@ -37,3 +37,10 @@ class L1Cache(BaseCache):
tgts_per_mshr = 5
protocol = CoherenceProtocol(protocol='moesi')
+class L2Cache(BaseCache):
+ assoc = 8
+ block_size = 64
+ latency = 10
+ mshrs = 20
+ tgts_per_mshr = 12
+
diff --git a/configs/example/fs.py b/configs/example/fs.py
index a9f1d579a..a70a60b97 100644
--- a/configs/example/fs.py
+++ b/configs/example/fs.py
@@ -47,6 +47,7 @@ config_root = os.path.dirname(config_path)
parser = optparse.OptionParser()
# Benchmark options
+parser.add_option("--l2cache", action="store_true")
parser.add_option("--dual", action="store_true",
help="Simulate two systems attached with an ethernet link")
parser.add_option("-b", "--benchmark", action="store", type="string",
@@ -93,12 +94,23 @@ else:
test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0])
np = options.num_cpus
+
+if options.l2cache:
+ test_sys.l2 = L2Cache(size = '2MB')
+ test_sys.tol2bus = Bus()
+ test_sys.l2.cpu_side = test_sys.tol2bus.port
+ test_sys.l2.mem_side = test_sys.membus.port
+
test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
for i in xrange(np):
if options.caches:
test_sys.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
L1Cache(size = '64kB'))
- test_sys.cpu[i].connectMemPorts(test_sys.membus)
+
+ if options.l2cache:
+ test_sys.cpu[i].connectMemPorts(test_sys.tol2bus)
+ else:
+ test_sys.cpu[i].connectMemPorts(test_sys.membus)
if len(bm) == 2:
drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1])