diff options
Diffstat (limited to 'common/nextpnr.cc')
| -rw-r--r-- | common/nextpnr.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/common/nextpnr.cc b/common/nextpnr.cc index b04679ad..d47a8525 100644 --- a/common/nextpnr.cc +++ b/common/nextpnr.cc @@ -99,8 +99,15 @@ delay_t Context::getNetinfoRouteDelay(const NetInfo *net_info, const PortRef &us while (cursor != WireId() && cursor != src_wire) { auto it = net_info->wires.find(cursor); + if (it == net_info->wires.end()) break; +#ifdef ARCH_ECP5 + // ECP5 global nets currently appear part-unrouted due to arch database limitations + // Don't touch them in the router + if (it->second.strength == STRENGTH_LOCKED) + return 0; +#endif PipId pip = it->second.pip; delay += getPipDelay(pip).maxDelay(); delay += getWireDelay(cursor).maxDelay(); |