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ice40: implement checkPipAvailForNet

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Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2022-09-20 14:15:10 +02:00
parent 415c097df8
commit a920ffcf70
1 changed files with 10 additions and 0 deletions
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10
ice40/arch.h
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@ -680,6 +680,16 @@ struct Arch : BaseArch<ArchRanges>
return switches_locked[pi.switch_index] == WireId(); return switches_locked[pi.switch_index] == WireId();
} }
bool checkPipAvailForNet(PipId pip, NetInfo *net) const override
{
if (ice40_pip_hard_unavail(pip))
return false;
auto &pi = chip_info->pip_data[pip.index];
auto swl = switches_locked[pi.switch_index];
return swl == WireId() || (swl == getPipDstWire(pip) && wire_to_net[swl.index] == net);
}
NetInfo *getBoundPipNet(PipId pip) const override NetInfo *getBoundPipNet(PipId pip) const override
{ {
NPNR_ASSERT(pip != PipId()); NPNR_ASSERT(pip != PipId());