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| author | myrtle <gatecat@ds0.me> | 2022-09-20 14:37:55 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-09-20 14:37:55 +0200 |
| commit | 136ab81cbd9cac143987d3d8d1603f13a8353abc (patch) | |
| tree | 84cbc0a284520cf809ff3e6d3c27194db9e01afa /ice40 | |
| parent | 376cedd558f6aaf7fa460c4560cb5e45d41f0a62 (diff) | |
| parent | a920ffcf70dad54596c84079c30a66542022ccda (diff) | |
| download | nextpnr-136ab81cbd9cac143987d3d8d1603f13a8353abc.tar.gz nextpnr-136ab81cbd9cac143987d3d8d1603f13a8353abc.tar.bz2 nextpnr-136ab81cbd9cac143987d3d8d1603f13a8353abc.zip | |
Merge pull request #1028 from YosysHQ/gatecat/router2-reserve-src
router2: Reserve source wire, too; ice40 fixes
Diffstat (limited to 'ice40')
| -rw-r--r-- | ice40/arch.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/ice40/arch.h b/ice40/arch.h index 3563baad..5ed2347d 100644 --- a/ice40/arch.h +++ b/ice40/arch.h @@ -680,6 +680,16 @@ struct Arch : BaseArch<ArchRanges> 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 { NPNR_ASSERT(pip != PipId()); |