diff options
Diffstat (limited to 'ice40')
| -rw-r--r-- | ice40/arch.h | 54 | ||||
| -rw-r--r-- | ice40/archdefs.h | 3 |
2 files changed, 40 insertions, 17 deletions
diff --git a/ice40/arch.h b/ice40/arch.h index bdcee3b8..90117939 100644 --- a/ice40/arch.h +++ b/ice40/arch.h @@ -404,7 +404,7 @@ struct Arch : BaseCtx std::vector<CellInfo *> bel_to_cell; std::vector<NetInfo *> wire_to_net; std::vector<NetInfo *> pip_to_net; - std::vector<NetInfo *> switches_locked; + std::vector<WireId> switches_locked; ArchArgs args; Arch(ArchArgs args); @@ -546,7 +546,7 @@ struct Arch : BaseCtx auto pip = it->second.pip; if (pip != PipId()) { pip_to_net[pip.index] = nullptr; - switches_locked[chip_info->pip_data[pip.index].switch_index] = nullptr; + switches_locked[chip_info->pip_data[pip.index].switch_index] = WireId(); } net_wires.erase(it); @@ -566,6 +566,8 @@ struct Arch : BaseCtx return wire_to_net[wire.index]; } + WireId getConflictingWireWire(WireId wire) const { return wire; } + NetInfo *getConflictingWireNet(WireId wire) const { NPNR_ASSERT(wire != WireId()); @@ -608,14 +610,15 @@ struct Arch : BaseCtx { NPNR_ASSERT(pip != PipId()); NPNR_ASSERT(pip_to_net[pip.index] == nullptr); - NPNR_ASSERT(switches_locked[chip_info->pip_data[pip.index].switch_index] == nullptr); - - pip_to_net[pip.index] = net; - switches_locked[chip_info->pip_data[pip.index].switch_index] = net; + NPNR_ASSERT(switches_locked[chip_info->pip_data[pip.index].switch_index] == WireId()); WireId dst; dst.index = chip_info->pip_data[pip.index].dst; NPNR_ASSERT(wire_to_net[dst.index] == nullptr); + + pip_to_net[pip.index] = net; + switches_locked[chip_info->pip_data[pip.index].switch_index] = dst; + wire_to_net[dst.index] = net; net->wires[dst].pip = pip; net->wires[dst].strength = strength; @@ -627,7 +630,7 @@ struct Arch : BaseCtx { NPNR_ASSERT(pip != PipId()); NPNR_ASSERT(pip_to_net[pip.index] != nullptr); - NPNR_ASSERT(switches_locked[chip_info->pip_data[pip.index].switch_index] != nullptr); + NPNR_ASSERT(switches_locked[chip_info->pip_data[pip.index].switch_index] != WireId()); WireId dst; dst.index = chip_info->pip_data[pip.index].dst; @@ -636,33 +639,39 @@ struct Arch : BaseCtx pip_to_net[pip.index]->wires.erase(dst); pip_to_net[pip.index] = nullptr; - switches_locked[chip_info->pip_data[pip.index].switch_index] = nullptr; + switches_locked[chip_info->pip_data[pip.index].switch_index] = WireId(); refreshUiPip(pip); refreshUiWire(dst); } - bool checkPipAvail(PipId pip) const + bool ice40_pip_hard_unavail(PipId pip) const { NPNR_ASSERT(pip != PipId()); auto &pi = chip_info->pip_data[pip.index]; auto &si = chip_info->bits_info->switches[pi.switch_index]; - if (switches_locked[pi.switch_index] != nullptr) - return false; - if (pi.flags & PipInfoPOD::FLAG_ROUTETHRU) { NPNR_ASSERT(si.bel >= 0); if (bel_to_cell[si.bel] != nullptr) - return false; + return true; } if (pi.flags & PipInfoPOD::FLAG_NOCARRY) { NPNR_ASSERT(si.bel >= 0); if (bel_carry[si.bel]) - return false; + return true; } - return true; + return false; + } + + bool checkPipAvail(PipId pip) const + { + if (ice40_pip_hard_unavail(pip)) + return false; + + auto &pi = chip_info->pip_data[pip.index]; + return switches_locked[pi.switch_index] == WireId(); } NetInfo *getBoundPipNet(PipId pip) const @@ -671,12 +680,23 @@ struct Arch : BaseCtx return pip_to_net[pip.index]; } - NetInfo *getConflictingPipNet(PipId pip) const + WireId getConflictingPipWire(PipId pip) const { - NPNR_ASSERT(pip != PipId()); + if (ice40_pip_hard_unavail(pip)) + return WireId(); + return switches_locked[chip_info->pip_data[pip.index].switch_index]; } + NetInfo *getConflictingPipNet(PipId pip) const + { + if (ice40_pip_hard_unavail(pip)) + return nullptr; + + WireId wire = switches_locked[chip_info->pip_data[pip.index].switch_index]; + return wire == WireId() ? nullptr : wire_to_net[wire.index]; + } + AllPipRange getPips() const { AllPipRange range; diff --git a/ice40/archdefs.h b/ice40/archdefs.h index c04033e7..b9614c07 100644 --- a/ice40/archdefs.h +++ b/ice40/archdefs.h @@ -66,6 +66,7 @@ struct BelId bool operator==(const BelId &other) const { return index == other.index; } bool operator!=(const BelId &other) const { return index != other.index; } + bool operator<(const BelId &other) const { return index < other.index; } }; struct WireId @@ -74,6 +75,7 @@ struct WireId bool operator==(const WireId &other) const { return index == other.index; } bool operator!=(const WireId &other) const { return index != other.index; } + bool operator<(const WireId &other) const { return index < other.index; } }; struct PipId @@ -82,6 +84,7 @@ struct PipId bool operator==(const PipId &other) const { return index == other.index; } bool operator!=(const PipId &other) const { return index != other.index; } + bool operator<(const PipId &other) const { return index < other.index; } }; struct GroupId |