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| author | David Shah <dave@ds0.me> | 2020-06-25 19:42:53 +0100 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2020-06-25 19:42:53 +0100 |
| commit | 1df8ac805a1e4dd1642312f45d21f1e707defa48 (patch) | |
| tree | 7c00d191fec2aef513deb521310d0d6486130a3d | |
| parent | 19a3095ecba7764cc91b0f026029a78f8d0d019f (diff) | |
| download | nextpnr-1df8ac805a1e4dd1642312f45d21f1e707defa48.tar.gz nextpnr-1df8ac805a1e4dd1642312f45d21f1e707defa48.tar.bz2 nextpnr-1df8ac805a1e4dd1642312f45d21f1e707defa48.zip | |
HeAP: Add timeout to IO placement
Signed-off-by: David Shah <dave@ds0.me>
| -rw-r--r-- | common/placer_heap.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/placer_heap.cc b/common/placer_heap.cc index 8c43c433..790c2230 100644 --- a/common/placer_heap.cc +++ b/common/placer_heap.cc @@ -542,10 +542,14 @@ class HeAPPlacer cell_locs[cell.first].global = ctx->getBelGlobalBuf(ci->bel); } else if (ci->constr_parent == nullptr) { bool placed = false; + int attempt_count = 0; while (!placed) { if (!available_bels.count(ci->type) || available_bels.at(ci->type).empty()) log_error("Unable to place cell '%s', no Bels remaining of type '%s'\n", ci->name.c_str(ctx), ci->type.c_str(ctx)); + ++attempt_count; + if (attempt_count > 25000) + log_error("Unable to find a placement location for cell '%s'\n", ci->name.c_str(ctx)); BelId bel = available_bels.at(ci->type).back(); available_bels.at(ci->type).pop_back(); Loc loc = ctx->getBelLocation(bel); |