ruby: included ruby config parameter ports per core

Slightly improved the major hack need to correctly assign the number of ports
per core.  CPUs have two ports: icache + dcache.  MemTester has one port.

1 files changed, 5 insertions, 2 deletions

diff --git a/configs/example/memtest-ruby.py b/configs/example/memtest-ruby.py
index 0305a3096..e47b8e0a3 100644
--- a/configs/example/memtest-ruby.py
+++ b/configs/example/memtest-ruby.py
@@ -86,8 +86,11 @@ cpus = [ MemTest(atomic=options.atomic, max_loads=options.maxloads, \
          for i in xrange(options.testers) ]
 
 # create the desired simulated system
-# ruby memory
-ruby_memory = ruby_config.generate("MI_example-homogeneous.rb", options.testers)
+# ruby memory must be at least 16 MB to work with the mem tester
+ruby_memory = ruby_config.generate("MI_example-homogeneous.rb",
+                                   cores = options.testers,
+                                   memory_size = 16,
+                                   ports_per_cpu = 1)
 
 system = System(cpu = cpus, funcmem = PhysicalMemory(),
                 physmem = ruby_memory)