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HeAP: Add timeout to IO placement

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2020-06-25 19:42:53 +01:00
parent 19a3095ecb
commit 1df8ac805a
1 changed files with 4 additions and 0 deletions
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4
common/placer_heap.cc
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@ -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);