caiyu/nextpnr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

router2: Dump pre-bound routes when routing fails in debug mode

Browse Source 
Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2021-07-06 10:21:31 +01:00
parent f64d06fa02
commit 6fe071ad1d
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
common/router2.cc
View File

@ -856,13 +856,23 @@ struct Router2
int(a.first), int(a.second), ctx->nameOf(net));
auto res2 = route_arc(t, net, a.first, a.second, is_mt, false);
// If this also fails, no choice but to give up
if (res2 != ARC_SUCCESS)
if (res2 != ARC_SUCCESS) {
if (ctx->debug) {
log_info("Pre-bound routing: \n");
for (auto &wire_pair : net->wires) {
log(" %s", ctx->nameOfWire(wire_pair.first));
if (wire_pair.second.pip != PipId())
log(" %s", ctx->nameOfPip(wire_pair.second.pip));
log("\n");
}
}
log_error("Failed to route arc %d.%d of net '%s', from %s to %s.\n", int(a.first),
int(a.second), ctx->nameOf(net), ctx->nameOfWire(ctx->getNetinfoSourceWire(net)),
ctx->nameOfWire(ctx->getNetinfoSinkWire(net, net->users.at(a.first), a.second)));
}
}
}
}
if (cfg.perf_profile) {
auto rend = std::chrono::high_resolution_clock::now();
nets.at(net->udata).total_route_us +=