diff options
Diffstat (limited to 'common/nextpnr.h')
| -rw-r--r-- | common/nextpnr.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/common/nextpnr.h b/common/nextpnr.h index 2445bed1..7ffda0dc 100644 --- a/common/nextpnr.h +++ b/common/nextpnr.h @@ -1006,6 +1006,114 @@ struct BaseCtx void archInfoToAttributes(); void attributesToArchInfo(); + + // -------------------------------------------------------------- + // Arch API base + + // Basic config + virtual int getGridDimX() const = 0; + virtual int getGridDimY() const = 0; + virtual int getTileBelDimZ(int x, int y) const = 0; + virtual int getTilePipDimZ(int x, int y) const { return 1; } + virtual char getNameDelimiter() const { return ' '; } + + // Bel methods + virtual BelId getBelByName(IdStringList name) const = 0; + virtual IdStringList getBelName(BelId bel) const = 0; + virtual uint32_t getBelChecksum(BelId bel) const { return uint32_t(std::hash<BelId>()(bel)); } + virtual void bindBel(BelId bel, CellInfo *cell, PlaceStrength strength) = 0; + virtual void unbindBel(BelId bel) = 0; + virtual Loc getBelLocation(BelId bel) const = 0; + virtual BelId getBelByLocation(Loc loc) const = 0; + virtual bool getBelGlobalBuf(BelId bel) const { return false; } + virtual bool checkBelAvail(BelId bel) const = 0; + virtual CellInfo *getBoundBelCell(BelId bel) const = 0; + virtual CellInfo *getConflictingBelCell(BelId bel) const = 0; + virtual IdString getBelType(BelId bel) const = 0; + virtual WireId getBelPinWire(BelId bel, IdString pin) const = 0; + virtual PortType getBelPinType(BelId bel, IdString pin) const = 0; + + // Wire methods + virtual WireId getWireByName(IdStringList name) const = 0; + virtual IdStringList getWireName(WireId wire) const = 0; + virtual IdString getWireType(WireId wire) const { return IdString(); } + virtual uint32_t getWireChecksum(WireId wire) const { return uint32_t(std::hash<WireId>()(wire)); } + virtual void bindWire(WireId wire, NetInfo *net, PlaceStrength strength) = 0; + virtual void unbindWire(WireId wire) = 0; + virtual bool checkWireAvail(WireId wire) const = 0; + virtual NetInfo *getBoundWireNet(WireId wire) const = 0; + virtual WireId getConflictingWireWire(WireId wire) const { return wire; }; + virtual NetInfo *getConflictingWireNet(WireId wire) const { return getBoundWireNet(wire); } + virtual DelayInfo getWireDelay(WireId wire) const = 0; + + // Pip methods + virtual PipId getPipByName(IdStringList name) const = 0; + virtual IdStringList getPipName(PipId pip) const = 0; + virtual IdString getPipType(PipId pip) const { return IdString(); } + virtual uint32_t getPipChecksum(PipId pip) const { return uint32_t(std::hash<PipId>()(pip)); } + virtual void bindPip(PipId pip, NetInfo *net, PlaceStrength strength) = 0; + virtual void unbindPip(PipId pip) = 0; + virtual bool checkPipAvail(PipId pip) const = 0; + virtual NetInfo *getBoundPipNet(PipId pip) const = 0; + virtual WireId getConflictingPipWire(PipId pip) const { return WireId(); } + virtual NetInfo *getConflictingPipNet(PipId pip) const { return nullptr; } + virtual WireId getPipSrcWire(PipId pip) const = 0; + virtual WireId getPipDstWire(PipId pip) const = 0; + virtual DelayInfo getPipDelay(PipId pip) const = 0; + virtual Loc getPipLocation(PipId pip) const = 0; + + // Group methods + virtual GroupId getGroupByName(IdStringList name) const = 0; + virtual IdStringList getGroupName(GroupId group) const = 0; + virtual delay_t estimateDelay(WireId src, WireId dst) const = 0; + virtual ArcBounds getRouteBoundingBox(WireId src, WireId dst) const = 0; + + // Delay methods + virtual delay_t predictDelay(const NetInfo *net_info, const PortRef &sink) const = 0; + virtual delay_t getDelayEpsilon() const = 0; + virtual delay_t getRipupDelayPenalty() const = 0; + virtual float getDelayNS(delay_t v) const = 0; + virtual DelayInfo getDelayFromNS(float ns) const = 0; + virtual uint32_t getDelayChecksum(delay_t v) const = 0; + virtual bool getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const + { + return false; + } + + // Decal methods + virtual DecalXY getBelDecal(BelId bel) const { return DecalXY(); } + virtual DecalXY getWireDecal(WireId wire) const { return DecalXY(); } + virtual DecalXY getPipDecal(PipId pip) const { return DecalXY(); } + virtual DecalXY getGroupDecal(GroupId group) const { return DecalXY(); } + + // Cell timing methods + virtual bool getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, DelayInfo &delay) const + { + return false; + } + virtual TimingPortClass getPortTimingClass(const CellInfo *cell, IdString port, int &clockInfoCount) const + { + return TMG_IGNORE; + } + virtual TimingClockingInfo getPortClockingInfo(const CellInfo *cell, IdString port, int index) const + { + NPNR_ASSERT_FALSE("unreachable"); + } + + // Placement validity checks + virtual bool isValidBelForCellType(IdString cell_type, BelId bel) const { return cell_type == getBelType(bel); } + virtual IdString getBelBucketName(BelBucketId bucket) const = 0; + virtual BelBucketId getBelBucketByName(IdString name) const = 0; + virtual BelBucketId getBelBucketForBel(BelId bel) const = 0; + virtual BelBucketId getBelBucketForCellType(IdString cell_type) const = 0; + virtual bool isValidBelForCell(CellInfo *cell, BelId bel) const { return true; } + virtual bool isBelLocationValid(BelId bel) const { return true; } + + // Flow methods + virtual bool pack() = 0; + virtual bool place() = 0; + virtual bool route() = 0; + virtual void assignArchInfo(){}; }; NEXTPNR_NAMESPACE_END |