diff options
Diffstat (limited to 'ice40/chip.h')
| -rw-r--r-- | ice40/chip.h | 359 |
1 files changed, 240 insertions, 119 deletions
diff --git a/ice40/chip.h b/ice40/chip.h index 6113a869..1f46ccd2 100644 --- a/ice40/chip.h +++ b/ice40/chip.h @@ -166,48 +166,41 @@ struct BelInfoPOD BelType type; }; -struct WireDelayPOD -{ - int32_t wire_index; - float delay; -}; - struct BelPortPOD { int32_t bel_index; PortPin port; }; +struct PipInfoPOD +{ + int32_t src, dst; + float delay; +}; + struct WireInfoPOD { const char *name; - int num_uphill, num_downhill, num_bidir; - WireDelayPOD *wires_uphill, *wires_downhill, *wires_bidir; + int num_uphill, num_downhill; + int *pips_uphill, *pips_downhill; int num_bels_downhill; BelPortPOD bel_uphill; BelPortPOD *bels_downhill; }; -extern int num_bels_384; -extern int num_bels_1k; -extern int num_bels_5k; -extern int num_bels_8k; - -extern BelInfoPOD bel_data_384[]; -extern BelInfoPOD bel_data_1k[]; -extern BelInfoPOD bel_data_5k[]; -extern BelInfoPOD bel_data_8k[]; - -extern int num_wires_384; -extern int num_wires_1k; -extern int num_wires_5k; -extern int num_wires_8k; +struct ChipInfoPOD +{ + int num_bels, num_wires, num_pips; + BelInfoPOD *bel_data; + WireInfoPOD *wire_data; + PipInfoPOD *pip_data; +}; -extern WireInfoPOD wire_data_384[]; -extern WireInfoPOD wire_data_1k[]; -extern WireInfoPOD wire_data_5k[]; -extern WireInfoPOD wire_data_8k[]; +extern ChipInfoPOD chip_info_384; +extern ChipInfoPOD chip_info_1k; +extern ChipInfoPOD chip_info_5k; +extern ChipInfoPOD chip_info_8k; // ----------------------------------------------------------------------- @@ -218,6 +211,9 @@ struct BelId bool nil() const { return index < 0; } + + bool operator==(const BelId &other) const { return index == other.index; } + bool operator!=(const BelId &other) const { return index != other.index; } }; struct WireId @@ -227,6 +223,27 @@ struct WireId bool nil() const { return index < 0; } + + bool operator==(const WireId &other) const { return index == other.index; } + bool operator!=(const WireId &other) const { return index != other.index; } +}; + +struct PipId +{ + int32_t index = -1; + + bool nil() const { + return index < 0; + } + + bool operator==(const PipId &other) const { return index == other.index; } + bool operator!=(const PipId &other) const { return index != other.index; } +}; + +struct BelPin +{ + BelId bel; + PortPin pin; }; namespace std @@ -246,6 +263,14 @@ namespace std return wire.index; } }; + + template<> struct hash<PipId> + { + std::size_t operator()(const PipId &wire) const noexcept + { + return wire.index; + } + }; } // ----------------------------------------------------------------------- @@ -273,12 +298,36 @@ struct BelRange // ----------------------------------------------------------------------- -struct AllWireIterator +struct BelPinIterator { - int cursor; + BelPortPOD *ptr = nullptr; + + void operator++() { ptr++; } + bool operator!=(const BelPinIterator &other) const { return ptr != other.ptr; } + + BelPin operator*() const { + BelPin ret; + ret.bel.index = ptr->bel_index; + ret.pin = ptr->port; + return ret; + } +}; + +struct BelPinRange +{ + BelPinIterator b, e; + BelPinIterator begin() const { return b; } + BelPinIterator end() const { return e; } +}; + +// ----------------------------------------------------------------------- + +struct WireIterator +{ + int cursor = -1; void operator++() { cursor++; } - bool operator!=(const AllWireIterator &other) const { return cursor != other.cursor; } + bool operator!=(const WireIterator &other) const { return cursor != other.cursor; } WireId operator*() const { WireId ret; @@ -287,71 +336,57 @@ struct AllWireIterator } }; -struct AllWireRange +struct WireRange { - AllWireIterator b, e; - AllWireIterator begin() const { return b; } - AllWireIterator end() const { return e; } + WireIterator b, e; + WireIterator begin() const { return b; } + WireIterator end() const { return e; } }; // ----------------------------------------------------------------------- -struct WireDelay -{ - WireId wire; - DelayInfo delay; -}; - -struct WireDelayIterator +struct AllPipIterator { - WireDelayPOD *ptr = nullptr; + int cursor = -1; - void operator++() { ptr++; } - bool operator!=(const WireDelayIterator &other) const { return ptr != other.ptr; } + void operator++() { cursor++; } + bool operator!=(const AllPipIterator &other) const { return cursor != other.cursor; } - WireDelay operator*() const { - WireDelay ret; - ret.wire.index = ptr->wire_index; - ret.delay.delay = ptr->delay; + PipId operator*() const { + PipId ret; + ret.index = cursor; return ret; } }; -struct WireDelayRange +struct AllPipRange { - WireDelayIterator b, e; - WireDelayIterator begin() const { return b; } - WireDelayIterator end() const { return e; } + AllPipIterator b, e; + AllPipIterator begin() const { return b; } + AllPipIterator end() const { return e; } }; // ----------------------------------------------------------------------- -struct BelPin -{ - BelId bel; - PortPin pin; -}; - -struct BelPinIterator +struct PipIterator { - BelPortPOD *ptr = nullptr; + int *cursor = nullptr; - void operator++() { ptr++; } - bool operator!=(const BelPinIterator &other) const { return ptr != other.ptr; } + void operator++() { cursor++; } + bool operator!=(const PipIterator &other) const { return cursor != other.cursor; } - BelPin operator*() const { - BelPin ret; - ret.bel.index = ptr->bel_index; - ret.pin = ptr->port; + PipId operator*() const { + PipId ret; + ret.index = *cursor; return ret; } }; -struct BelPinRange +struct PipRange { - BelPinIterator b, e; - BelPinIterator begin() const { return b; } - BelPinIterator end() const { return e; } + PipIterator b, e; + PipIterator begin() const { return b; } + PipIterator end() const { return e; } }; // ----------------------------------------------------------------------- @@ -371,36 +406,41 @@ struct ChipArgs struct Chip { - int num_bels, num_wires; - BelInfoPOD *bel_data; - WireInfoPOD *wire_data; + ChipInfoPOD chip_info; - mutable dict<IdString, int> wire_by_name; mutable dict<IdString, int> bel_by_name; + mutable dict<IdString, int> wire_by_name; + mutable dict<IdString, int> pip_by_name; Chip(ChipArgs args); - void setBelActive(BelId, bool) { } - bool getBelActive(BelId) { return true; } + // ------------------------------------------------- BelId getBelByName(IdString name) const; - WireId getWireByName(IdString name) const; IdString getBelName(BelId bel) const { - return bel_data[bel.index].name; + assert(!bel.nil()); + return chip_info.bel_data[bel.index].name; } - IdString getWireName(WireId wire) const + void bindBel(BelId bel, IdString cell) + { + } + + void unbindBel(BelId bel) + { + } + + bool checkBelAvail(BelId bel) const { - return wire_data[wire.index].name; } BelRange getBels() const { BelRange range; range.b.cursor = 0; - range.e.cursor = num_bels; + range.e.cursor = chip_info.num_bels; return range; } @@ -420,75 +460,156 @@ struct Chip BelType getBelType(BelId bel) const { - return bel_data[bel.index].type; + assert(!bel.nil()); + return chip_info.bel_data[bel.index].type; } - // FIXME: void getBelPosition(BelId bel, float &x, float &y) const; - // FIXME: void getWirePosition(WireId wire, float &x, float &y) const; - // FIXME: vector<GraphicElement> getBelGraphics(BelId bel) const; - // FIXME: vector<GraphicElement> getWireGraphics(WireId wire) const; - // FIXME: vector<GraphicElement> getPipGraphics(WireId src, WireId dst) const; - // FIXME: vector<GraphicElement> getFrameGraphics() const; + WireId getWireBelPin(BelId bel, PortPin pin) const; + + BelPin getBelPinUphill(WireId wire) const + { + BelPin ret; + assert(!wire.nil()); + + if (chip_info.wire_data[wire.index].bel_uphill.bel_index >= 0) { + ret.bel.index = chip_info.wire_data[wire.index].bel_uphill.bel_index; + ret.pin = chip_info.wire_data[wire.index].bel_uphill.port; + } - AllWireRange getWires() const + return ret; + } + + BelPinRange getBelPinsDownhill(WireId wire) const { - AllWireRange range; - range.b.cursor = 0; - range.e.cursor = num_wires; + BelPinRange range; + assert(!wire.nil()); + range.b.ptr = chip_info.wire_data[wire.index].bels_downhill; + range.e.ptr = range.b.ptr + chip_info.wire_data[wire.index].num_bels_downhill; return range; } - WireDelayRange getWiresUphill(WireId wire) const + // ------------------------------------------------- + + WireId getWireByName(IdString name) const; + + IdString getWireName(WireId wire) const { - WireDelayRange range; - range.b.ptr = wire_data[wire.index].wires_uphill; - range.e.ptr = wire_data[wire.index].wires_uphill + wire_data[wire.index].num_uphill; - return range; + assert(!wire.nil()); + return chip_info.wire_data[wire.index].name; } - WireDelayRange getWiresDownhill(WireId wire) const + void bindWire(WireId bel, IdString net) + { + } + + void unbindWire(WireId bel) { - WireDelayRange range; - range.b.ptr = wire_data[wire.index].wires_downhill; - range.e.ptr = wire_data[wire.index].wires_downhill + wire_data[wire.index].num_downhill; - return range; } - WireDelayRange getWiresBidir(WireId wire) const + bool checkWireAvail(WireId bel) const { - WireDelayRange range; - range.b.ptr = wire_data[wire.index].wires_bidir; - range.e.ptr = wire_data[wire.index].wires_bidir + wire_data[wire.index].num_bidir; + } + + WireRange getWires() const + { + WireRange range; + range.b.cursor = 0; + range.e.cursor = chip_info.num_wires; return range; } - WireDelayRange getWireAliases(WireId wire) const + // ------------------------------------------------- + + PipId getPipByName(IdString name) const; + + IdString getPipName(PipId pip) const + { + assert(!pip.nil()); + std::string src_name = chip_info.wire_data[chip_info.pip_data[pip.index].src].name; + std::string dst_name = chip_info.wire_data[chip_info.pip_data[pip.index].dst].name; + return src_name + "->" + dst_name; + } + + void bindPip(PipId bel, IdString net) { - WireDelayRange range; + } + + void unbindPip(PipId bel) + { + } + + bool checkPipAvail(PipId bel) const + { + } + + AllPipRange getPips() const + { + AllPipRange range; + range.b.cursor = 0; + range.e.cursor = chip_info.num_pips; return range; } - WireId getWireBelPin(BelId bel, PortPin pin) const; + WireId getPipSrcWire(PipId pip) const + { + WireId wire; + assert(!pip.nil()); + wire.index = chip_info.pip_data[pip.index].src; + return wire; + } - BelPin getBelPinUphill(WireId wire) const + WireId getPipDstWire(PipId pip) const { - BelPin ret; + WireId wire; + assert(!pip.nil()); + wire.index = chip_info.pip_data[pip.index].dst; + return wire; + } - if (wire_data[wire.index].bel_uphill.bel_index >= 0) { - ret.bel.index = wire_data[wire.index].bel_uphill.bel_index; - ret.pin = wire_data[wire.index].bel_uphill.port; - } + DelayInfo getPipDelay(PipId pip) const + { + DelayInfo delay; + assert(!pip.nil()); + delay.delay = chip_info.pip_data[pip.index].delay; + return delay; + } - return ret; + PipRange getPipsDownhill(WireId wire) const + { + PipRange range; + assert(!wire.nil()); + range.b.cursor = chip_info.wire_data[wire.index].pips_downhill; + range.e.cursor = range.b.cursor + chip_info.wire_data[wire.index].num_downhill; + return range; } - BelPinRange getBelPinsDownhill(WireId wire) const + PipRange getPipsUphill(WireId wire) const { - BelPinRange range; - range.b.ptr = wire_data[wire.index].bels_downhill; - range.e.ptr = wire_data[wire.index].bels_downhill + wire_data[wire.index].num_bels_downhill; + PipRange range; + assert(!wire.nil()); + range.b.cursor = chip_info.wire_data[wire.index].pips_uphill; + range.e.cursor = range.b.cursor + chip_info.wire_data[wire.index].num_uphill; + return range; + } + + PipRange getWireAliases(WireId wire) const + { + PipRange range; + assert(!wire.nil()); + range.b.cursor = nullptr; + range.e.cursor = nullptr; return range; } + + // ------------------------------------------------- + + void getBelPosition(BelId bel, float &x, float &y) const; + void getWirePosition(WireId wire, float &x, float &y) const; + void getPipPosition(WireId wire, float &x, float &y) const; + vector<GraphicElement> getBelGraphics(BelId bel) const; + vector<GraphicElement> getWireGraphics(WireId wire) const; + vector<GraphicElement> getPipGraphics(PipId pip) const; + vector<GraphicElement> getFrameGraphics() const; }; #endif |