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Diffstat (limited to 'configs/ruby/MOESI_CMP_directory.py')
-rw-r--r--configs/ruby/MOESI_CMP_directory.py37
1 files changed, 23 insertions, 14 deletions
diff --git a/configs/ruby/MOESI_CMP_directory.py b/configs/ruby/MOESI_CMP_directory.py
index cdf8688f0..a72b5b20e 100644
--- a/configs/ruby/MOESI_CMP_directory.py
+++ b/configs/ruby/MOESI_CMP_directory.py
@@ -80,20 +80,29 @@ def create_system(options, full_system, system, dma_ports, ruby_system):
start_index_bit = block_size_bits,
is_icache = False)
- l1_cntrl = L1Cache_Controller(version = i,
- L1Icache = l1i_cache,
- L1Dcache = l1d_cache,
- l2_select_num_bits = l2_bits,
- send_evictions = send_evicts(options),
- 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)
+ # the ruby random tester reuses num_cpus to specify the
+ # number of cpu ports connected to the tester object, which
+ # is stored in system.cpu. because there is only ever one
+ # tester object, num_cpus is not necessarily equal to the
+ # size of system.cpu; therefore if len(system.cpu) == 1
+ # we use system.cpu[0] to set the clk_domain, thereby ensuring
+ # we don't index off the end of the cpu list.
+ if len(system.cpu) == 1:
+ clk_domain = system.cpu[0].clk_domain
+ else:
+ clk_domain = system.cpu[i].clk_domain
+
+ l1_cntrl = L1Cache_Controller(version=i, L1Icache=l1i_cache,
+ L1Dcache=l1d_cache,
+ l2_select_num_bits=l2_bits,
+ send_evictions=send_evicts(options),
+ transitions_per_cycle=options.ports,
+ clk_domain=clk_domain,
+ ruby_system=ruby_system)
+
+ cpu_seq = RubySequencer(version=i, icache=l1i_cache,
+ dcache=l1d_cache, clk_domain=clk_domain,
+ ruby_system=ruby_system)
l1_cntrl.sequencer = cpu_seq
exec("ruby_system.l1_cntrl%d = l1_cntrl" % i)