ruby: message buffers: significant changes
[gem5.git] / configs / ruby / MOESI_CMP_directory.py
index b238b767509bdefcba80ef6deef2df2bb5dd9fca..d390efa0dda2ff4f304b0b310f24101a71cdb030 100644 (file)
@@ -48,7 +48,7 @@ class L2Cache(RubyCache):
 def define_options(parser):
     return
 
-def create_system(options, system, piobus, dma_ports, ruby_system):
+def create_system(options, system, dma_ports, ruby_system):
 
     if buildEnv['PROTOCOL'] != 'MOESI_CMP_directory':
         panic("This script requires the MOESI_CMP_directory protocol to be built.")
@@ -72,46 +72,48 @@ def create_system(options, system, piobus, dma_ports, ruby_system):
     l2_bits = int(math.log(options.num_l2caches, 2))
     block_size_bits = int(math.log(options.cacheline_size, 2))
 
-    cntrl_count = 0
-    
     for i in xrange(options.num_cpus):
         #
         # First create the Ruby objects associated with this cpu
         #
         l1i_cache = L1Cache(size = options.l1i_size,
                             assoc = options.l1i_assoc,
-                            start_index_bit = block_size_bits)
+                            start_index_bit = block_size_bits,
+                            is_icache = True)
         l1d_cache = L1Cache(size = options.l1d_size,
                             assoc = options.l1d_assoc,
-                            start_index_bit = block_size_bits)
+                            start_index_bit = block_size_bits,
+                            is_icache = False)
 
         l1_cntrl = L1Cache_Controller(version = i,
-                                      cntrl_id = cntrl_count,
-                                      L1IcacheMemory = l1i_cache,
-                                      L1DcacheMemory = l1d_cache,
+                                      L1Icache = l1i_cache,
+                                      L1Dcache = l1d_cache,
                                       l2_select_num_bits = l2_bits,
                                       send_evictions = (
                                           options.cpu_type == "detailed"),
+                                      transitions_per_cycle = options.ports,
+                                      clk_domain=system.cpu[i].clk_domain,
                                       ruby_system = ruby_system)
 
         cpu_seq = RubySequencer(version = i,
                                 icache = l1i_cache,
                                 dcache = l1d_cache,
+                                clk_domain=system.cpu[i].clk_domain,
                                 ruby_system = ruby_system)
 
         l1_cntrl.sequencer = cpu_seq
+        exec("ruby_system.l1_cntrl%d = l1_cntrl" % i)
 
-        if piobus != None:
-            cpu_seq.pio_port = piobus.slave
-
-        exec("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)
 
-        cntrl_count += 1
+        # Connect the L1 controllers and the network
+        l1_cntrl.requestFromL1Cache =  ruby_system.network.slave
+        l1_cntrl.responseFromL1Cache =  ruby_system.network.slave
+        l1_cntrl.requestToL1Cache =  ruby_system.network.master
+        l1_cntrl.responseToL1Cache =  ruby_system.network.master
+
 
     l2_index_start = block_size_bits + l2_bits
 
@@ -124,43 +126,66 @@ def create_system(options, system, piobus, dma_ports, ruby_system):
                            start_index_bit = l2_index_start)
 
         l2_cntrl = L2Cache_Controller(version = i,
-                                      cntrl_id = cntrl_count,
-                                      L2cacheMemory = l2_cache,
+                                      L2cache = l2_cache,
+                                      transitions_per_cycle = options.ports,
                                       ruby_system = ruby_system)
         
-        exec("system.l2_cntrl%d = l2_cntrl" % i)
+        exec("ruby_system.l2_cntrl%d = l2_cntrl" % i)
         l2_cntrl_nodes.append(l2_cntrl)
 
-        cntrl_count += 1
-        
-    phys_mem_size = 0
-    for mem in system.memories.unproxy(system):
-        phys_mem_size += long(mem.range.second) - long(mem.range.first) + 1
+        # Connect the L2 controllers and the network
+        l2_cntrl.GlobalRequestFromL2Cache = ruby_system.network.slave
+        l2_cntrl.L1RequestFromL2Cache = ruby_system.network.slave
+        l2_cntrl.responseFromL2Cache = ruby_system.network.slave
+
+        l2_cntrl.GlobalRequestToL2Cache = ruby_system.network.master
+        l2_cntrl.L1RequestToL2Cache = ruby_system.network.master
+        l2_cntrl.responseToL2Cache = ruby_system.network.master
+
+
+    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
 
+
+    # Run each of the ruby memory controllers at a ratio of the frequency of
+    # the ruby system.
+    # clk_divider value is a fix to pass regression.
+    ruby_system.memctrl_clk_domain = DerivedClockDomain(
+                                          clk_domain=ruby_system.clk_domain,
+                                          clk_divider=3)
+
     for i in xrange(options.num_dirs):
         #
         # Create the Ruby objects associated with the directory controller
         #
 
-        mem_cntrl = RubyMemoryControl(version = i,
-                                      ruby_system = ruby_system)
+        mem_cntrl = RubyMemoryControl(
+                              clk_domain = ruby_system.memctrl_clk_domain,
+                              version = i,
+                              ruby_system = ruby_system)
 
         dir_size = MemorySize('0B')
         dir_size.value = mem_module_size
 
         dir_cntrl = Directory_Controller(version = i,
-                                         cntrl_id = cntrl_count,
                                          directory = \
                                          RubyDirectoryMemory(version = i,
-                                                             size = dir_size),
+                                             size = dir_size,
+                                             use_map = options.use_map),
                                          memBuffer = mem_cntrl,
+                                         transitions_per_cycle = options.ports,
                                          ruby_system = ruby_system)
 
-        exec("system.dir_cntrl%d = dir_cntrl" % i)
+        exec("ruby_system.dir_cntrl%d = dir_cntrl" % i)
         dir_cntrl_nodes.append(dir_cntrl)
 
-        cntrl_count += 1
+        # Connect the directory controllers and the network
+        dir_cntrl.requestToDir = ruby_system.network.master
+        dir_cntrl.responseToDir = ruby_system.network.master
+        dir_cntrl.responseFromDir = ruby_system.network.slave
+        dir_cntrl.forwardFromDir = ruby_system.network.slave
+
 
     for i, dma_port in enumerate(dma_ports):
         #
@@ -170,14 +195,14 @@ def create_system(options, system, piobus, dma_ports, ruby_system):
                                ruby_system = ruby_system)
         
         dma_cntrl = DMA_Controller(version = i,
-                                   cntrl_id = cntrl_count,
                                    dma_sequencer = dma_seq,
+                                   transitions_per_cycle = options.ports,
                                    ruby_system = ruby_system)
 
-        exec("system.dma_cntrl%d = dma_cntrl" % i)
-        exec("system.dma_cntrl%d.dma_sequencer.slave = dma_port" % i)
+        exec("ruby_system.dma_cntrl%d = dma_cntrl" % i)
+        exec("ruby_system.dma_cntrl%d.dma_sequencer.slave = dma_port" % i)
         dma_cntrl_nodes.append(dma_cntrl)
-        cntrl_count += 1
+
 
     all_cntrls = l1_cntrl_nodes + \
                  l2_cntrl_nodes + \
@@ -185,5 +210,4 @@ def create_system(options, system, piobus, dma_ports, ruby_system):
                  dma_cntrl_nodes
 
     topology = create_topology(all_cntrls, options)
-
     return (cpu_sequencers, dir_cntrl_nodes, topology)