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+# Copyright (c) 2006-2007 The Regents of The University of Michigan
+# Copyright (c) 2009 Advanced Micro Devices, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Brad Beckmann
+
+import m5
+from m5.objects import *
+from m5.defines import buildEnv
+
+#
+# Note: the cache latency is only used by the sequencer on fast path hits
+#
+class Cache(RubyCache):
+ latency = 3
+
+def create_system(options, phys_mem, piobus, dma_devices):
+
+ if buildEnv['PROTOCOL'] != 'MI_example':
+ panic("This script requires the MI_example protocol to be built.")
+
+ cpu_sequencers = []
+
+ #
+ # The ruby network creation expects the list of nodes in the system to be
+ # consistent with the NetDest list. Therefore the l1 controller nodes must be
+ # listed before the directory nodes and directory nodes before dma nodes, etc.
+ #
+ l1_cntrl_nodes = []
+ dir_cntrl_nodes = []
+ dma_cntrl_nodes = []
+
+ #
+ # Must create the individual controllers before the network to ensure the
+ # controller constructors are called before the network constructor
+ #
+
+ for i in xrange(options.num_cpus):
+ #
+ # First create the Ruby objects associated with this cpu
+ # Only one cache exists for this protocol, so by default use the L1D
+ # config parameters.
+ #
+ cache = Cache(size = options.l1d_size,
+ assoc = options.l1d_assoc)
+
+ #
+ # Only one unified L1 cache exists. Can cache instructions and data.
+ #
+ cpu_seq = RubySequencer(version = i,
+ icache = cache,
+ dcache = cache,
+ physMemPort = phys_mem.port,
+ physmem = phys_mem)
+
+ if piobus != None:
+ cpu_seq.pio_port = piobus.port
+
+ l1_cntrl = L1Cache_Controller(version = i,
+ sequencer = cpu_seq,
+ cacheMemory = cache)
+ #
+ # Add controllers and sequencers to the appropriate lists
+ #
+ cpu_sequencers.append(cpu_seq)
+ l1_cntrl_nodes.append(l1_cntrl)
+
+ phys_mem_size = long(phys_mem.range.second) - long(phys_mem.range.first) + 1
+ mem_module_size = phys_mem_size / options.num_dirs
+
+ for i in xrange(options.num_dirs):
+ #
+ # Create the Ruby objects associated with the directory controller
+ #
+
+ mem_cntrl = RubyMemoryControl(version = i)
+
+ dir_size = MemorySize('0B')
+ dir_size.value = mem_module_size
+
+ dir_cntrl = Directory_Controller(version = i,
+ directory = \
+ RubyDirectoryMemory(version = i,
+ size = dir_size,
+ use_map = options.use_map,
+ map_levels = options.map_levels),
+ memBuffer = mem_cntrl)
+
+ dir_cntrl_nodes.append(dir_cntrl)
+
+ for i, dma_device in enumerate(dma_devices):
+ #
+ # Create the Ruby objects associated with the dma controller
+ #
+ dma_seq = DMASequencer(version = i,
+ physMemPort = phys_mem.port,
+ physmem = phys_mem)
+
+ dma_cntrl = DMA_Controller(version = i,
+ dma_sequencer = dma_seq)
+
+ dma_cntrl.dma_sequencer.port = dma_device.dma
+ dma_cntrl_nodes.append(dma_cntrl)
+
+ all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes + dma_cntrl_nodes
+
+ return (cpu_sequencers, dir_cntrl_nodes, all_cntrls)