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-rw-r--r--configs/ruby/Ruby.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/configs/ruby/Ruby.py b/configs/ruby/Ruby.py
index c3a61e7d1..e0d53fd6c 100644
--- a/configs/ruby/Ruby.py
+++ b/configs/ruby/Ruby.py
@@ -235,7 +235,8 @@ def create_system(options, full_system, system, piobus = None, dma_ports = []):
# Create a backing copy of physical memory in case required
if options.access_backing_store:
- ruby.phys_mem = SimpleMemory(range=AddrRange(options.mem_size),
+ ruby.access_backing_store = True
+ ruby.phys_mem = SimpleMemory(range=system.mem_ranges[0],
in_addr_map=False)
def send_evicts(options):