diff options
Diffstat (limited to 'configs/ruby/Ruby.py')
| -rw-r--r-- | configs/ruby/Ruby.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/configs/ruby/Ruby.py b/configs/ruby/Ruby.py index 35ff66a0c..b99e251d3 100644 --- a/configs/ruby/Ruby.py +++ b/configs/ruby/Ruby.py @@ -56,6 +56,9 @@ def define_options(parser): default='2GHz', help="Clock for blocks running at Ruby system's speed") + parser.add_option("--access-backing-store", action="store_true", default=False, + help="Should ruby maintain a second copy of memory") + # Options related to cache structure parser.add_option("--ports", action="store", type="int", default=4, help="used of transitions per cycle which is a proxy \ @@ -229,3 +232,8 @@ def create_system(options, full_system, system, piobus = None, dma_ports = []): ruby._cpu_ports = cpu_sequencers ruby.num_of_sequencers = len(cpu_sequencers) ruby.random_seed = options.random_seed + + # Create a backing copy of physical memory in case required + if options.access_backing_store: + ruby.phys_mem = SimpleMemory(range=AddrRange(options.mem_size), + in_addr_map=False) |