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allow only some pass trough for clock router

This commit is contained in:
Miodrag Milanovic 2026-02-06 11:45:47 +01:00
parent 5fc81d6d8d
commit fe4584d55e
1 changed files with 6 additions and 0 deletions
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6
himbaechel/uarch/gatemate/route_clock.cc
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@ -151,6 +151,12 @@ void GateMateImpl::route_clock()
} }
for (auto dh : ctx->getPipsDownhill(curr.wire)) { for (auto dh : ctx->getPipsDownhill(curr.wire)) {
const auto &extra_data = *pip_extra_data(dh);
// Allow only CINY2->COUTY2 pass through for clock router
if (extra_data.type == PipExtra::PIP_EXTRA_MUX && extra_data.resource != 0) {
if (!(extra_data.resource == PipMask::C_CY2_I && extra_data.value ==0))
continue;
}
if (!ctx->checkPipAvailForNet(dh, clk_net)) if (!ctx->checkPipAvailForNet(dh, clk_net))
continue; continue;
WireId dst = ctx->getPipDstWire(dh); WireId dst = ctx->getPipDstWire(dh);