124c124,129
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---
> test_sys.bridge.filter_ranges_a=[AddrRange(0, Addr.max)]
> test_sys.bridge.filter_ranges_b=[AddrRange(0, size='8GB')]
> test_sys.iocache = IOCache(mem_side_filter_ranges=[AddrRange(0, Addr.max)],
> cpu_side_filter_ranges=[AddrRange(0x8000000000, Addr.max)])
> test_sys.iocache.cpu_side = test_sys.iobus.port
> test_sys.iocache.mem_side = test_sys.membus.port