diff options
Diffstat (limited to 'ecp5/arch.h')
| -rw-r--r-- | ecp5/arch.h | 263 |
1 files changed, 161 insertions, 102 deletions
diff --git a/ecp5/arch.h b/ecp5/arch.h index 06cf6488..930c488e 100644 --- a/ecp5/arch.h +++ b/ecp5/arch.h @@ -339,10 +339,8 @@ struct ArchArgs struct Arch : BaseCtx { - // We let proxy methods access our state. - friend class ArchMutateMethods; - friend class ArchReadMethods; -private: + const ChipInfoPOD *chip_info; + mutable std::unordered_map<IdString, BelId> bel_by_name; mutable std::unordered_map<IdString, WireId> wire_by_name; mutable std::unordered_map<IdString, PipId> pip_by_name; @@ -352,9 +350,6 @@ private: std::unordered_map<PipId, IdString> pip_to_net; std::unordered_map<PipId, IdString> switches_locked; -public: - const ChipInfoPOD *chip_info; - ArchArgs args; Arch(ArchArgs args); @@ -371,6 +366,8 @@ public: // ------------------------------------------------- + BelId getBelByName(IdString name) const; + template <typename Id> const LocationTypePOD *locInfo(Id &id) const { return &(chip_info->locations[chip_info->location_type[id.location.y * chip_info->width + id.location.x]]); @@ -386,6 +383,48 @@ public: uint32_t getBelChecksum(BelId bel) const { return bel.index; } + void bindBel(BelId bel, IdString cell, PlaceStrength strength) + { + NPNR_ASSERT(bel != BelId()); + NPNR_ASSERT(bel_to_cell[bel] == IdString()); + bel_to_cell[bel] = cell; + cells[cell]->bel = bel; + cells[cell]->belStrength = strength; + } + + void unbindBel(BelId bel) + { + NPNR_ASSERT(bel != BelId()); + NPNR_ASSERT(bel_to_cell[bel] != IdString()); + cells[bel_to_cell[bel]]->bel = BelId(); + cells[bel_to_cell[bel]]->belStrength = STRENGTH_NONE; + bel_to_cell[bel] = IdString(); + } + + bool checkBelAvail(BelId bel) const + { + NPNR_ASSERT(bel != BelId()); + return bel_to_cell.find(bel) == bel_to_cell.end() || bel_to_cell.at(bel) == IdString(); + } + + IdString getBoundBelCell(BelId bel) const + { + NPNR_ASSERT(bel != BelId()); + if (bel_to_cell.find(bel) == bel_to_cell.end()) + return IdString(); + else + return bel_to_cell.at(bel); + } + + IdString getConflictingBelCell(BelId bel) const + { + NPNR_ASSERT(bel != BelId()); + if (bel_to_cell.find(bel) == bel_to_cell.end()) + return IdString(); + else + return bel_to_cell.at(bel); + } + BelRange getBels() const { BelRange range; @@ -421,6 +460,8 @@ public: return locInfo(bel)->bel_data[bel.index].type; } + WireId getWireBelPin(BelId bel, PortPin pin) const; + BelPin getBelPinUphill(WireId wire) const { BelPin ret; @@ -448,6 +489,8 @@ public: // ------------------------------------------------- + WireId getWireByName(IdString name) const; + IdString getWireName(WireId wire) const { NPNR_ASSERT(wire != WireId()); @@ -460,6 +503,57 @@ public: uint32_t getWireChecksum(WireId wire) const { return wire.index; } + void bindWire(WireId wire, IdString net, PlaceStrength strength) + { + NPNR_ASSERT(wire != WireId()); + NPNR_ASSERT(wire_to_net[wire] == IdString()); + wire_to_net[wire] = net; + nets[net]->wires[wire].pip = PipId(); + nets[net]->wires[wire].strength = strength; + } + + void unbindWire(WireId wire) + { + NPNR_ASSERT(wire != WireId()); + NPNR_ASSERT(wire_to_net[wire] != IdString()); + + auto &net_wires = nets[wire_to_net[wire]]->wires; + auto it = net_wires.find(wire); + NPNR_ASSERT(it != net_wires.end()); + + auto pip = it->second.pip; + if (pip != PipId()) { + pip_to_net[pip] = IdString(); + } + + net_wires.erase(it); + wire_to_net[wire] = IdString(); + } + + bool checkWireAvail(WireId wire) const + { + NPNR_ASSERT(wire != WireId()); + return wire_to_net.find(wire) == wire_to_net.end() || wire_to_net.at(wire) == IdString(); + } + + IdString getBoundWireNet(WireId wire) const + { + NPNR_ASSERT(wire != WireId()); + if (wire_to_net.find(wire) == wire_to_net.end()) + return IdString(); + else + return wire_to_net.at(wire); + } + + IdString getConflictingWireNet(WireId wire) const + { + NPNR_ASSERT(wire != WireId()); + if (wire_to_net.find(wire) == wire_to_net.end()) + return IdString(); + else + return wire_to_net.at(wire); + } + WireRange getWires() const { WireRange range; @@ -475,10 +569,66 @@ public: // ------------------------------------------------- + PipId getPipByName(IdString name) const; IdString getPipName(PipId pip) const; uint32_t getPipChecksum(PipId pip) const { return pip.index; } + void bindPip(PipId pip, IdString net, PlaceStrength strength) + { + NPNR_ASSERT(pip != PipId()); + NPNR_ASSERT(pip_to_net[pip] == IdString()); + + pip_to_net[pip] = net; + + WireId dst; + dst.index = locInfo(pip)->pip_data[pip.index].dst_idx; + dst.location = pip.location + locInfo(pip)->pip_data[pip.index].rel_dst_loc; + NPNR_ASSERT(wire_to_net[dst] == IdString()); + wire_to_net[dst] = net; + nets[net]->wires[dst].pip = pip; + nets[net]->wires[dst].strength = strength; + } + + void unbindPip(PipId pip) + { + NPNR_ASSERT(pip != PipId()); + NPNR_ASSERT(pip_to_net[pip] != IdString()); + + WireId dst; + dst.index = locInfo(pip)->pip_data[pip.index].dst_idx; + dst.location = pip.location + locInfo(pip)->pip_data[pip.index].rel_dst_loc; + NPNR_ASSERT(wire_to_net[dst] != IdString()); + wire_to_net[dst] = IdString(); + nets[pip_to_net[pip]]->wires.erase(dst); + + pip_to_net[pip] = IdString(); + } + + bool checkPipAvail(PipId pip) const + { + NPNR_ASSERT(pip != PipId()); + return pip_to_net.find(pip) == pip_to_net.end() || pip_to_net.at(pip) == IdString(); + } + + IdString getBoundPipNet(PipId pip) const + { + NPNR_ASSERT(pip != PipId()); + if (pip_to_net.find(pip) == pip_to_net.end()) + return IdString(); + else + return pip_to_net.at(pip); + } + + IdString getConflictingPipNet(PipId pip) const + { + NPNR_ASSERT(pip != PipId()); + if (pip_to_net.find(pip) == pip_to_net.end()) + return IdString(); + else + return pip_to_net.at(pip); + } + AllPipRange getPips() const { AllPipRange range; @@ -561,7 +711,6 @@ public: // ------------------------------------------------- - // TODO(q3k) move this to archproxies? GroupId getGroupByName(IdString name) const { return GroupId(); } IdString getGroupName(GroupId group) const { return IdString(); } std::vector<GroupId> getGroups() const { return std::vector<GroupId>(); } @@ -572,8 +721,6 @@ public: // ------------------------------------------------- - // These are also specific to the chip and not state, so they're available - // on arch directly. void estimatePosition(BelId bel, int &x, int &y, bool &gb) const; delay_t estimateDelay(WireId src, WireId dst) const; delay_t getDelayEpsilon() const { return 20; } @@ -589,7 +736,8 @@ public: // ------------------------------------------------- - // TODO(q3k) move this to archproxies? + std::vector<GraphicElement> getDecalGraphics(DecalId decal) const; + DecalXY getFrameDecal() const; DecalXY getBelDecal(BelId bel) const; DecalXY getWireDecal(WireId wire) const; @@ -607,100 +755,11 @@ public: bool isClockPort(const CellInfo *cell, IdString port) const; // Return true if a port is a net bool isGlobalNet(const NetInfo *net) const; -}; - -class ArchReadMethods : public BaseReadCtx -{ - private: - const Arch *parent_; - const ChipInfoPOD *chip_info; - const std::unordered_map<BelId, IdString> &bel_to_cell; - const std::unordered_map<WireId, IdString> &wire_to_net; - const std::unordered_map<PipId, IdString> &pip_to_net; - const std::unordered_map<PipId, IdString> &switches_locked; - std::unordered_map<IdString, BelId> &bel_by_name; - std::unordered_map<IdString, WireId> &wire_by_name; - std::unordered_map<IdString, PipId> &pip_by_name; - - public: - ~ArchReadMethods() noexcept {} - ArchReadMethods(const Arch *parent) - : BaseReadCtx(parent), parent_(parent), chip_info(parent->chip_info), bel_to_cell(parent->bel_to_cell), - wire_to_net(parent->wire_to_net), pip_to_net(parent->pip_to_net), - switches_locked(parent->switches_locked), bel_by_name(parent->bel_by_name), - wire_by_name(parent->wire_by_name), pip_by_name(parent->pip_by_name) - { - } - ArchReadMethods(ArchReadMethods &&other) noexcept : ArchReadMethods(other.parent_) {} - ArchReadMethods(const ArchReadMethods &other) : ArchReadMethods(other.parent_) {} - - /// Perform placement validity checks, returning false on failure (all implemented in arch_place.cc) - // Whether or not a given cell can be placed at a given Bel - // This is not intended for Bel type checks, but finer-grained constraints - // such as conflicting set/reset signals, etc + // ------------------------------------------------- + // Placement validity checks bool isValidBelForCell(CellInfo *cell, BelId bel) const; - // Return true whether all Bels at a given location are valid bool isBelLocationValid(BelId bel) const; - - bool checkWireAvail(WireId wire) const; - bool checkPipAvail(PipId pip) const; - bool checkBelAvail(BelId bel) const; - - WireId getWireByName(IdString name) const; - WireId getWireBelPin(BelId bel, PortPin pin) const; - PipId getPipByName(IdString name) const; - - IdString getConflictingWireNet(WireId wire) const; - IdString getConflictingPipNet(PipId pip) const; - IdString getConflictingBelCell(BelId bel) const; - - IdString getBoundWireNet(WireId wire) const; - IdString getBoundPipNet(PipId pip) const; - IdString getBoundBelCell(BelId bel) const; - - BelId getBelByName(IdString name) const; - - std::vector<GraphicElement> getDecalGraphics(DecalId decal) const; }; -class ArchMutateMethods : public BaseMutateCtx -{ - friend class MutateContext; - - private: - Arch *parent_; - const ChipInfoPOD *chip_info; - - std::unordered_map<BelId, IdString> &bel_to_cell; - std::unordered_map<WireId, IdString> &wire_to_net; - std::unordered_map<PipId, IdString> &pip_to_net; - std::unordered_map<PipId, IdString> &switches_locked; - std::unordered_map<IdString, BelId> &bel_by_name; - std::unordered_map<IdString, WireId> &wire_by_name; - std::unordered_map<IdString, PipId> &pip_by_name; - - public: - ~ArchMutateMethods() noexcept {} - ArchMutateMethods(Arch *parent) - : BaseMutateCtx(parent), parent_(parent), chip_info(parent->chip_info), bel_to_cell(parent->bel_to_cell), - wire_to_net(parent->wire_to_net), pip_to_net(parent->pip_to_net), - switches_locked(parent->switches_locked), bel_by_name(parent->bel_by_name), - wire_by_name(parent->wire_by_name), pip_by_name(parent->pip_by_name) - { - } - ArchMutateMethods(ArchMutateMethods &&other) noexcept : ArchMutateMethods(other.parent_) {} - ArchMutateMethods(const ArchMutateMethods &other) : ArchMutateMethods(other.parent_) {} - - void unbindWire(WireId wire); - void unbindPip(PipId pip); - void unbindBel(BelId bel); - void bindWire(WireId wire, IdString net, PlaceStrength strength); - void bindPip(PipId pip, IdString net, PlaceStrength strength); - void bindBel(BelId bel, IdString cell, PlaceStrength strength); - // Returned pointer is valid as long as Proxy object exists. - CellInfo *getCell(IdString cell); -}; - - NEXTPNR_NAMESPACE_END |