ruby: rename ALPHA_Network_test protocol to Garnet_standalone.

Over the past 6 years, we realized that the protocol is essentially used
to run the garnet network in a standalone manner, and feed standard synthetic
traffic patterns through it.

configs/ruby/Garnet_standalone.py

@@ -0,0 +1,130 @@
+# Copyright (c) 2009 Advanced Micro Devices, Inc.
+# Copyright (c) 2016 Georgia Institute of Technology
+# 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
+#          Tushar Krishna
+
+import m5
+from m5.objects import *
+from m5.defines import buildEnv
+from m5.util import addToPath
+from Ruby import create_topology
+
+#
+# Declare caches used by the protocol
+#
+class L1Cache(RubyCache): pass
+
+def define_options(parser):
+    return
+
+def create_system(options, full_system, system, dma_ports, ruby_system):
+    if buildEnv['PROTOCOL'] != 'Garnet_standalone':
+        panic("This script requires Garnet_standalone protocol to be built.")
+
+    cpu_sequencers = []
+
+    #
+    # The Garnet_standalone protocol does not support fs nor dma
+    #
+    assert(dma_ports == [])
+
+    #
+    # 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 = []
+
+    #
+    # 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 = L1Cache(size = options.l1d_size,
+                        assoc = options.l1d_assoc)
+
+        #
+        # Only one unified L1 cache exists.  Can cache instructions and data.
+        #
+        l1_cntrl = L1Cache_Controller(version = i,
+                                      cacheMemory = cache,
+                                      ruby_system = ruby_system)
+
+        cpu_seq = RubySequencer(icache = cache,
+                                dcache = cache,
+                                garnet_standalone = True,
+                                ruby_system = ruby_system)
+
+        l1_cntrl.sequencer = cpu_seq
+        exec("ruby_system.l1_cntrl%d = l1_cntrl" % i)
+
+        # Add controllers and sequencers to the appropriate lists
+        cpu_sequencers.append(cpu_seq)
+        l1_cntrl_nodes.append(l1_cntrl)
+
+        # Connect the L1 controllers and the network
+        l1_cntrl.mandatoryQueue = MessageBuffer()
+        l1_cntrl.requestFromCache = MessageBuffer()
+        l1_cntrl.responseFromCache = MessageBuffer()
+        l1_cntrl.forwardFromCache = MessageBuffer()
+
+
+    phys_mem_size = sum(map(lambda r: r.size(), system.mem_ranges))
+    assert(phys_mem_size % options.num_dirs == 0)
+    mem_module_size = phys_mem_size / options.num_dirs
+
+    for i in xrange(options.num_dirs):
+        dir_size = MemorySize('0B')
+        dir_size.value = mem_module_size
+
+        dir_cntrl = Directory_Controller(version = i,
+                                         directory = \
+                                         RubyDirectoryMemory(version = i,
+                                                             size = dir_size),
+                                         ruby_system = ruby_system)
+
+        exec("ruby_system.dir_cntrl%d = dir_cntrl" % i)
+        dir_cntrl_nodes.append(dir_cntrl)
+
+        # Connect the directory controllers and the network
+        dir_cntrl.requestToDir = MessageBuffer()
+        dir_cntrl.forwardToDir = MessageBuffer()
+        dir_cntrl.responseToDir = MessageBuffer()
+
+
+    all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes
+    ruby_system.network.number_of_virtual_networks = 3
+    topology = create_topology(all_cntrls, options)
+    return (cpu_sequencers, dir_cntrl_nodes, topology)