diff --git a/configs/common/Options.py b/configs/common/Options.py
index bf764b407..4efbc541e 100644
--- a/configs/common/Options.py
+++ b/configs/common/Options.py
@@ -37,18 +37,15 @@ parser.add_option("--fastmem", action="store_true")
 parser.add_option("--clock", action="store", type="string", default='1GHz')
 parser.add_option("--num-dirs", type="int", default=1)
 parser.add_option("--num-l2caches", type="int", default=1)
-parser.add_option("--topology", type="string", default="Crossbar",
-                  help="check src/mem/ruby/network/topologies for complete set")
-parser.add_option("--mesh-rows", type="int", default=1,
-                  help="the number of rows in the mesh topology")
-parser.add_option("--garnet-network", type="string", default=None,
-                  help="'fixed'|'flexible'")
-parser.add_option("--numa-high-bit", type="int", default=None,
-                  help="high order address bit to use for numa mapping")
-
-# ruby sparse memory options
-parser.add_option("--use-map", action="store_true", default=False)
-parser.add_option("--map-levels", type="int", default=4)
+parser.add_option("--num-l3caches", type="int", default=1)
+parser.add_option("--l1d_size", type="string", default="32kB")
+parser.add_option("--l1i_size", type="string", default="32kB")
+parser.add_option("--l2_size", type="string", default="2MB")
+parser.add_option("--l3_size", type="string", default="16MB")
+parser.add_option("--l1d_assoc", type="int", default=2)
+parser.add_option("--l1i_assoc", type="int", default=2)
+parser.add_option("--l2_assoc", type="int", default=16)
+parser.add_option("--l3_assoc", type="int", default=16)
 
 # Run duration options
 parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick,
diff --git a/configs/example/memtest-ruby.py b/configs/example/memtest-ruby.py
index 16d86f0bc..567af03d0 100644
--- a/configs/example/memtest-ruby.py
+++ b/configs/example/memtest-ruby.py
@@ -69,20 +69,27 @@ parser.add_option("--progress", type="int", default=1000,
                   "[default: %default]")
 
 #
-# Set the default cache size and associativity to be very small to encourage
-# races between requests and writebacks.
+# Add the ruby specific and protocol specific options
 #
-parser.add_option("--l1d_size", type="string", default="256B")
-parser.add_option("--l1i_size", type="string", default="256B")
-parser.add_option("--l2_size", type="string", default="512B")
-parser.add_option("--l1d_assoc", type="int", default=2)
-parser.add_option("--l1i_assoc", type="int", default=2)
-parser.add_option("--l2_assoc", type="int", default=2)
+Ruby.define_options(parser)
 
 execfile(os.path.join(config_root, "common", "Options.py"))
 
 (options, args) = parser.parse_args()
 
+#
+# Set the default cache size and associativity to be very small to encourage
+# races between requests and writebacks.
+#
+options.l1d_size="256B"
+options.l1i_size="256B"
+options.l2_size="512B"
+options.l3_size="1kB"
+options.l1d_assoc=2
+options.l1i_assoc=2
+options.l2_assoc=2
+options.l3_assoc=2
+
 if args:
      print "Error: script doesn't take any positional arguments"
      sys.exit(1)
diff --git a/configs/example/ruby_fs.py b/configs/example/ruby_fs.py
index 5c508f6fe..b6d9a6c0a 100644
--- a/configs/example/ruby_fs.py
+++ b/configs/example/ruby_fs.py
@@ -72,16 +72,10 @@ parser.add_option("-i", "--input", default="", help="Read stdin from a file.")
 parser.add_option("--output", default="", help="Redirect stdout to a file.")
 parser.add_option("--errout", default="", help="Redirect stderr to a file.")
 
-# cache parameters
-parser.add_option("--l1d_size", type="string", default="32kB")
-parser.add_option("--l1i_size", type="string", default="32kB")
-parser.add_option("--l2_size", type="string", default="1MB")
-parser.add_option("--l1d_assoc", type="int", default=2)
-parser.add_option("--l1i_assoc", type="int", default=2)
-parser.add_option("--l2_assoc", type="int", default=16)
- 
-# ruby host memory experimentation
-parser.add_option("--map_levels", type="int")
+#
+# Add the ruby specific and protocol specific options
+#
+Ruby.define_options(parser)
 
 execfile(os.path.join(config_root, "common", "Options.py"))
 
diff --git a/configs/example/ruby_se.py b/configs/example/ruby_se.py
index 600fa1b14..7a55e1513 100644
--- a/configs/example/ruby_se.py
+++ b/configs/example/ruby_se.py
@@ -68,14 +68,11 @@ parser.add_option("-i", "--input", default="", help="Read stdin from a file.")
 parser.add_option("--output", default="", help="Redirect stdout to a file.")
 parser.add_option("--errout", default="", help="Redirect stderr to a file.")
 
-# cache parameters
-parser.add_option("--l1d_size", type="string", default="32kB")
-parser.add_option("--l1i_size", type="string", default="32kB")
-parser.add_option("--l2_size", type="string", default="1MB")
-parser.add_option("--l1d_assoc", type="int", default=2)
-parser.add_option("--l1i_assoc", type="int", default=2)
-parser.add_option("--l2_assoc", type="int", default=16)
- 
+#
+# Add the ruby specific and protocol specific options
+#
+Ruby.define_options(parser)
+
 execfile(os.path.join(config_root, "common", "Options.py"))
 
 (options, args) = parser.parse_args()
diff --git a/configs/example/rubytest.py b/configs/example/rubytest.py
index c9cf0aba4..2a789c979 100644
--- a/configs/example/rubytest.py
+++ b/configs/example/rubytest.py
@@ -54,20 +54,27 @@ parser.add_option("-f", "--wakeup_freq", metavar="N", default=10,
                   help="Wakeup every N cycles")
 
 #
-# Set the default cache size and associativity to be very small to encourage
-# races between requests and writebacks.
+# Add the ruby specific and protocol specific options
 #
-parser.add_option("--l1d_size", type="string", default="256B")
-parser.add_option("--l1i_size", type="string", default="256B")
-parser.add_option("--l2_size", type="string", default="512B")
-parser.add_option("--l1d_assoc", type="int", default=2)
-parser.add_option("--l1i_assoc", type="int", default=2)
-parser.add_option("--l2_assoc", type="int", default=2)
+Ruby.define_options(parser)
 
 execfile(os.path.join(config_root, "common", "Options.py"))
 
 (options, args) = parser.parse_args()
 
+#
+# Set the default cache size and associativity to be very small to encourage
+# races between requests and writebacks.
+#
+options.l1d_size="256B"
+options.l1i_size="256B"
+options.l2_size="512B"
+options.l3_size="1kB"
+options.l1d_assoc=2
+options.l1i_assoc=2
+options.l2_assoc=2
+options.l3_assoc=2
+
 if args:
      print "Error: script doesn't take any positional arguments"
      sys.exit(1)
diff --git a/configs/ruby/MESI_CMP_directory.py b/configs/ruby/MESI_CMP_directory.py
index 9b62a15af..2e9345212 100644
--- a/configs/ruby/MESI_CMP_directory.py
+++ b/configs/ruby/MESI_CMP_directory.py
@@ -44,6 +44,9 @@ class L1Cache(RubyCache):
 class L2Cache(RubyCache):
     latency = 15
 
+def define_options(parser):
+    return
+
 def create_system(options, phys_mem, piobus, dma_devices):
     
     if buildEnv['PROTOCOL'] != 'MESI_CMP_directory':
diff --git a/configs/ruby/MI_example.py b/configs/ruby/MI_example.py
index 29d99b46e..ce0918de8 100644
--- a/configs/ruby/MI_example.py
+++ b/configs/ruby/MI_example.py
@@ -37,6 +37,9 @@ from m5.defines import buildEnv
 class Cache(RubyCache):
     latency = 3
 
+def define_options(parser):
+    return
+
 def create_system(options, phys_mem, piobus, dma_devices):
     
     if buildEnv['PROTOCOL'] != 'MI_example':
diff --git a/configs/ruby/MOESI_CMP_directory.py b/configs/ruby/MOESI_CMP_directory.py
index a4069d94d..8c332f8e4 100644
--- a/configs/ruby/MOESI_CMP_directory.py
+++ b/configs/ruby/MOESI_CMP_directory.py
@@ -44,6 +44,9 @@ class L1Cache(RubyCache):
 class L2Cache(RubyCache):
     latency = 15
 
+def define_options(parser):
+    return
+
 def create_system(options, phys_mem, piobus, dma_devices):
     
     if buildEnv['PROTOCOL'] != 'MOESI_CMP_directory':
diff --git a/configs/ruby/MOESI_CMP_token.py b/configs/ruby/MOESI_CMP_token.py
index 537a1543c..5d3ddf190 100644
--- a/configs/ruby/MOESI_CMP_token.py
+++ b/configs/ruby/MOESI_CMP_token.py
@@ -44,6 +44,9 @@ class L1Cache(RubyCache):
 class L2Cache(RubyCache):
     latency = 15
 
+def define_options(parser):
+    return
+
 def create_system(options, phys_mem, piobus, dma_devices):
     
     if buildEnv['PROTOCOL'] != 'MOESI_CMP_token':
diff --git a/configs/ruby/MOESI_hammer.py b/configs/ruby/MOESI_hammer.py
index 2d2d75dc2..705b569ac 100644
--- a/configs/ruby/MOESI_hammer.py
+++ b/configs/ruby/MOESI_hammer.py
@@ -43,6 +43,9 @@ class L1Cache(RubyCache):
 class L2Cache(RubyCache):
     latency = 15
 
+def define_options(parser):
+    return
+
 def create_system(options, phys_mem, piobus, dma_devices):
     
     if buildEnv['PROTOCOL'] != 'MOESI_hammer':
diff --git a/configs/ruby/Ruby.py b/configs/ruby/Ruby.py
index 66293af64..77c975842 100644
--- a/configs/ruby/Ruby.py
+++ b/configs/ruby/Ruby.py
@@ -31,6 +31,27 @@ import m5
 from m5.objects import *
 from m5.defines import buildEnv
 
+def define_options(parser):
+    # ruby network options
+    parser.add_option("--topology", type="string", default="Crossbar",
+                 help="check src/mem/ruby/network/topologies for complete set")
+    parser.add_option("--mesh-rows", type="int", default=1,
+                      help="the number of rows in the mesh topology")
+    parser.add_option("--garnet-network", type="string", default=none,
+                      help="'fixed'|'flexible'")
+
+    # ruby mapping options
+    parser.add_option("--numa-high-bit", type="int", default=none,
+                      help="high order address bit to use for numa mapping")
+
+    # ruby sparse memory options
+    parser.add_option("--use-map", action="store_true", default=False)
+    parser.add_option("--map-levels", type="int", default=4)
+
+    protocol = buildEnv['PROTOCOL']
+    exec "import %s" % protocol
+    eval("%s.define_options(parser)" % protocol)
+
 def create_system(options, physmem, piobus = None, dma_devices = []):
 
     protocol = buildEnv['PROTOCOL']