| from fuzzconfig import FuzzConfig |
| import interconnect |
| import nets |
| import pytrellis |
| import re |
| |
| cfg = FuzzConfig(job="PLC2ROUTE", family="MachXO2", device="LCMXO2-1200HC", ncl="plc2route.ncl", tiles=["R5C10:PLC"]) |
| |
| |
| def main(): |
| pytrellis.load_database("../../../database") |
| cfg.setup() |
| |
| span1_re = re.compile(r'R\d+C\d+_[VH]01[NESWTLBR]\d{4}') |
| |
| def nn_filter(net, netnames): |
| """ Match nets that are: in the tile according to Tcl, global nets, or span-1 nets that are accidentally |
| left out by Tcl""" |
| return net in netnames or nets.machxo2.is_global(net) or span1_re.match(net) |
| |
| def arc_filter(arc, netnames): |
| """ Exclude arcs whose sinks are HFSN BRANCHES (HSBX0*0{0,1}). We |
| will deal with them specially in another fuzzer. """ |
| return not nets.machxo2.hfsn_branch_re.match(arc[1]) |
| |
| def fc_filter(arc, netnames): |
| """ Ignore connections between two general routing nets. These are edge buffers which vary based on location |
| and must be excluded from the CIB database. |
| """ |
| return not (nets.general_routing_re.match(arc[0]) and nets.general_routing_re.match(arc[1])) |
| |
| interconnect.fuzz_interconnect(config=cfg, location=(5, 10), |
| netname_predicate=nn_filter, |
| arc_predicate=arc_filter, |
| fc_predicate=fc_filter, |
| netname_filter_union=True, |
| enable_span1_fix=True) |
| |
| if __name__ == "__main__": |
| main() |
