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< system.l2 = l2_cache_class(clock=options.clock,
---
> system.l2 = l2_cache_class(clock=options.cpu_clock,
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< system.tol2bus = CoherentBus(clock = options.clock, width = 32)
---
> system.tol2bus = CoherentBus(clock = options.cpu_clock, width = 32)