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-rw-r--r--common/nextpnr.cc2
-rw-r--r--common/nextpnr.h2
-rw-r--r--generic/arch.cc303
-rw-r--r--generic/arch.h39
4 files changed, 250 insertions, 96 deletions
diff --git a/common/nextpnr.cc b/common/nextpnr.cc
index 5af83a15..1ca3766a 100644
--- a/common/nextpnr.cc
+++ b/common/nextpnr.cc
@@ -21,7 +21,7 @@
NEXTPNR_NAMESPACE_BEGIN
-std::unordered_set<BaseCtx*> IdString::global_ctx;
+std::unordered_set<BaseCtx *> IdString::global_ctx;
void IdString::set(const BaseCtx *ctx, const std::string &s)
{
diff --git a/common/nextpnr.h b/common/nextpnr.h
index af092475..094d6241 100644
--- a/common/nextpnr.h
+++ b/common/nextpnr.h
@@ -74,7 +74,7 @@ struct IdString
// --- deprecated old API ---
- static std::unordered_set<BaseCtx*> global_ctx;
+ static std::unordered_set<BaseCtx *> global_ctx;
const std::string &global_str() const __attribute__((deprecated))
{
diff --git a/generic/arch.cc b/generic/arch.cc
index 0e4a3365..16fe2935 100644
--- a/generic/arch.cc
+++ b/generic/arch.cc
@@ -22,163 +22,304 @@
NEXTPNR_NAMESPACE_BEGIN
-Arch::Arch(ArchArgs) {}
+void Arch::addWire(IdString name, int x, int y)
+{
+ assert(wires.count(name) == 0);
+ WireInfo &wi = wires[name];
+ wi.name = name;
+ wi.grid_x = x;
+ wi.grid_y = y;
-void IdString::initialize_arch(const BaseCtx *ctx) {}
+ wire_ids.push_back(name);
+}
-// ---------------------------------------------------------------
+void Arch::addPip(IdString name, IdString srcWire, IdString dstWire, DelayInfo delay)
+{
+ assert(pips.count(name) == 0);
+ PipInfo &pi = pips[name];
+ pi.name = name;
+ pi.srcWire = srcWire;
+ pi.dstWire = dstWire;
+ pi.delay = delay;
+
+ wires.at(srcWire).downhill.push_back(name);
+ wires.at(dstWire).uphill.push_back(name);
+ pip_ids.push_back(name);
+}
-BelId Arch::getBelByName(IdString name) const { return BelId(); }
+void Arch::addAlias(IdString name, IdString srcWire, IdString dstWire, DelayInfo delay)
+{
+ assert(pips.count(name) == 0);
+ PipInfo &pi = pips[name];
+ pi.name = name;
+ pi.srcWire = srcWire;
+ pi.dstWire = dstWire;
+ pi.delay = delay;
+
+ wires.at(srcWire).aliases.push_back(name);
+ pip_ids.push_back(name);
+}
-IdString Arch::getBelName(BelId bel) const { return IdString(); }
+void Arch::addBel(IdString name, IdString type, int x, int y, bool gb)
+{
+ assert(bels.count(name) == 0);
+ BelInfo &bi = bels[name];
+ bi.name = name;
+ bi.type = type;
+ bi.grid_x = x;
+ bi.grid_y = y;
+ bi.gb = gb;
+
+ bel_ids.push_back(name);
+ bel_ids_by_type[type].push_back(name);
+}
-uint32_t Arch::getBelChecksum(BelId bel) const { return 0; }
+void Arch::addBelInput(IdString bel, IdString name, IdString wire)
+{
+ assert(bels.at(bel).pins.count(name) == 0);
+ PinInfo &pi = bels.at(bel).pins[name];
+ pi.name = name;
+ pi.wire = wire;
+ pi.type = PORT_IN;
-void Arch::bindBel(BelId bel, IdString cell, PlaceStrength strength) {}
+ wires.at(wire).downhill_bel_pins.push_back(BelPin{bel, name});
+}
-void Arch::unbindBel(BelId bel) {}
+void Arch::addBelOutput(IdString bel, IdString name, IdString wire)
+{
+ assert(bels.at(bel).pins.count(name) == 0);
+ PinInfo &pi = bels.at(bel).pins[name];
+ pi.name = name;
+ pi.wire = wire;
+ pi.type = PORT_OUT;
-bool Arch::checkBelAvail(BelId bel) const { return false; }
+ wires.at(wire).uphill_bel_pin = BelPin{bel, name};
+}
-IdString Arch::getBoundBelCell(BelId bel) const { return IdString(); }
+void Arch::addBelInout(IdString bel, IdString name, IdString wire)
+{
+ assert(bels.at(bel).pins.count(name) == 0);
+ PinInfo &pi = bels.at(bel).pins[name];
+ pi.name = name;
+ pi.wire = wire;
+ pi.type = PORT_INOUT;
-IdString Arch::getConflictingBelCell(BelId bel) const { return IdString(); }
+ wires.at(wire).downhill_bel_pins.push_back(BelPin{bel, name});
+}
-const std::vector<BelId> &Arch::getBels() const
+void Arch::addFrameGraphic(const GraphicElement &graphic)
{
- static std::vector<BelId> ret;
- return ret;
+ frame_graphics.push_back(graphic);
+ frameGraphicsReload = true;
}
-const std::vector<BelId> &Arch::getBelsByType(BelType type) const
+void Arch::addWireGraphic(WireId wire, const GraphicElement &graphic)
{
- static std::vector<BelId> ret;
- return ret;
+ wires.at(wire).graphics.push_back(graphic);
+ wireGraphicsReload.insert(wire);
}
-BelType Arch::getBelType(BelId bel) const { return BelType(); }
-
-WireId Arch::getWireBelPin(BelId bel, PortPin pin) const { return WireId(); }
-
-BelPin Arch::getBelPinUphill(WireId wire) const { return BelPin(); }
+void Arch::addPipGraphic(PipId pip, const GraphicElement &graphic)
+{
+ pips.at(pip).graphics.push_back(graphic);
+ pipGraphicsReload.insert(pip);
+}
-const std::vector<BelPin> &Arch::getBelPinsDownhill(WireId wire) const
+void Arch::addBelGraphic(BelId bel, const GraphicElement &graphic)
{
- static std::vector<BelPin> ret;
- return ret;
+ bels.at(bel).graphics.push_back(graphic);
+ belGraphicsReload.insert(bel);
}
// ---------------------------------------------------------------
-WireId Arch::getWireByName(IdString name) const { return WireId(); }
-
-IdString Arch::getWireName(WireId wire) const { return IdString(); }
+Arch::Arch(ArchArgs) {}
-uint32_t Arch::getWireChecksum(WireId wire) const { return 0; }
+void IdString::initialize_arch(const BaseCtx *ctx) {}
-void Arch::bindWire(WireId wire, IdString net, PlaceStrength strength) {}
+// ---------------------------------------------------------------
-void Arch::unbindWire(WireId wire) {}
+BelId Arch::getBelByName(IdString name) const
+{
+ if (bels.count(name))
+ return name;
+ return BelId();
+}
-bool Arch::checkWireAvail(WireId wire) const { return false; }
+IdString Arch::getBelName(BelId bel) const { return bel; }
-IdString Arch::getBoundWireNet(WireId wire) const { return IdString(); }
+uint32_t Arch::getBelChecksum(BelId bel) const
+{
+ // FIXME
+ return 0;
+}
-IdString Arch::getConflictingWireNet(WireId wire) const { return IdString(); }
+void Arch::bindBel(BelId bel, IdString cell, PlaceStrength strength)
+{
+ bels.at(bel).bound_cell = cell;
+ cells.at(cell)->bel = bel;
+ cells.at(cell)->belStrength = strength;
+}
-const std::vector<WireId> &Arch::getWires() const
+void Arch::unbindBel(BelId bel)
{
- static std::vector<WireId> ret;
- return ret;
+ cells.at(bels.at(bel).bound_cell)->bel = BelId();
+ cells.at(bels.at(bel).bound_cell)->belStrength = STRENGTH_NONE;
+ bels.at(bel).bound_cell = IdString();
}
-// ---------------------------------------------------------------
+bool Arch::checkBelAvail(BelId bel) const { return bels.at(bel).bound_cell == IdString(); }
-PipId Arch::getPipByName(IdString name) const { return PipId(); }
+IdString Arch::getBoundBelCell(BelId bel) const { return bels.at(bel).bound_cell; }
-IdString Arch::getPipName(PipId pip) const { return IdString(); }
+IdString Arch::getConflictingBelCell(BelId bel) const { return bels.at(bel).bound_cell; }
-uint32_t Arch::getPipChecksum(PipId wire) const { return 0; }
+const std::vector<BelId> &Arch::getBels() const { return bel_ids; }
-void Arch::bindPip(PipId pip, IdString net, PlaceStrength strength) {}
+const std::vector<BelId> &Arch::getBelsByType(BelType type) const
+{
+ static std::vector<BelId> empty_list;
+ if (bel_ids_by_type.count(type))
+ return bel_ids_by_type.at(type);
+ return empty_list;
+}
+
+BelType Arch::getBelType(BelId bel) const { return bels.at(bel).type; }
-void Arch::unbindPip(PipId pip) {}
+WireId Arch::getWireBelPin(BelId bel, PortPin pin) const { return bels.at(bel).pins.at(pin).wire; }
-bool Arch::checkPipAvail(PipId pip) const { return false; }
+BelPin Arch::getBelPinUphill(WireId wire) const { return wires.at(wire).uphill_bel_pin; }
-IdString Arch::getBoundPipNet(PipId pip) const { return IdString(); }
+const std::vector<BelPin> &Arch::getBelPinsDownhill(WireId wire) const { return wires.at(wire).downhill_bel_pins; }
-IdString Arch::getConflictingPipNet(PipId pip) const { return IdString(); }
+// ---------------------------------------------------------------
-const std::vector<PipId> &Arch::getPips() const
+WireId Arch::getWireByName(IdString name) const
{
- static std::vector<PipId> ret;
- return ret;
+ if (wires.count(name))
+ return name;
+ return WireId();
}
-WireId Arch::getPipSrcWire(PipId pip) const { return WireId(); }
-
-WireId Arch::getPipDstWire(PipId pip) const { return WireId(); }
-
-DelayInfo Arch::getPipDelay(PipId pip) const { return DelayInfo(); }
+IdString Arch::getWireName(WireId wire) const { return wire; }
-const std::vector<PipId> &Arch::getPipsDownhill(WireId wire) const
+uint32_t Arch::getWireChecksum(WireId wire) const
{
- static std::vector<PipId> ret;
- return ret;
+ // FIXME
+ return 0;
}
-const std::vector<PipId> &Arch::getPipsUphill(WireId wire) const
+void Arch::bindWire(WireId wire, IdString net, PlaceStrength strength)
{
- static std::vector<PipId> ret;
- return ret;
+ wires.at(wire).bound_net = net;
+ nets.at(net)->wires[wire].pip = PipId();
+ nets.at(net)->wires[wire].strength = strength;
}
-const std::vector<PipId> &Arch::getWireAliases(WireId wire) const
+void Arch::unbindWire(WireId wire)
{
- static std::vector<PipId> ret;
- return ret;
+ auto &net_wires = nets[wires.at(wire).bound_net]->wires;
+
+ auto pip = net_wires.at(wire).pip;
+ if (pip != PipId())
+ pips.at(pip).bound_net = IdString();
+
+ net_wires.erase(wire);
+ wires.at(wire).bound_net = IdString();
}
+bool Arch::checkWireAvail(WireId wire) const { return wires.at(wire).bound_net == IdString(); }
+
+IdString Arch::getBoundWireNet(WireId wire) const { return wires.at(wire).bound_net; }
+
+IdString Arch::getConflictingWireNet(WireId wire) const { return wires.at(wire).bound_net; }
+
+const std::vector<WireId> &Arch::getWires() const { return wire_ids; }
+
// ---------------------------------------------------------------
-void Arch::estimatePosition(BelId bel, int &x, int &y, bool &gb) const
+PipId Arch::getPipByName(IdString name) const
{
- x = 0;
- y = 0;
- gb = false;
+ if (pips.count(name))
+ return name;
+ return PipId();
}
-delay_t Arch::estimateDelay(WireId src, WireId dst) const { return 0.0; }
+IdString Arch::getPipName(PipId pip) const { return pip; }
-// ---------------------------------------------------------------
+uint32_t Arch::getPipChecksum(PipId wire) const
+{
+ // FIXME
+ return 0;
+}
-std::vector<GraphicElement> Arch::getFrameGraphics() const
+void Arch::bindPip(PipId pip, IdString net, PlaceStrength strength)
{
- static std::vector<GraphicElement> ret;
- return ret;
+ WireId wire = pips.at(pip).dstWire;
+ pips.at(pip).bound_net = net;
+ wires.at(wire).bound_net = net;
+ nets.at(net)->wires[wire].pip = pip;
+ nets.at(net)->wires[wire].strength = strength;
}
-std::vector<GraphicElement> Arch::getBelGraphics(BelId bel) const
+void Arch::unbindPip(PipId pip)
{
- static std::vector<GraphicElement> ret;
- return ret;
+ WireId wire = pips.at(pip).dstWire;
+ nets.at(wires.at(wire).bound_net)->wires.erase(wire);
+ pips.at(pip).bound_net = IdString();
+ wires.at(wire).bound_net = IdString();
}
-std::vector<GraphicElement> Arch::getWireGraphics(WireId wire) const
+bool Arch::checkPipAvail(PipId pip) const { return pips.at(pip).bound_net == IdString(); }
+
+IdString Arch::getBoundPipNet(PipId pip) const { return pips.at(pip).bound_net; }
+
+IdString Arch::getConflictingPipNet(PipId pip) const { return pips.at(pip).bound_net; }
+
+const std::vector<PipId> &Arch::getPips() const { return pip_ids; }
+
+WireId Arch::getPipSrcWire(PipId pip) const { return pips.at(pip).srcWire; }
+
+WireId Arch::getPipDstWire(PipId pip) const { return pips.at(pip).dstWire; }
+
+DelayInfo Arch::getPipDelay(PipId pip) const { return pips.at(pip).delay; }
+
+const std::vector<PipId> &Arch::getPipsDownhill(WireId wire) const { return wires.at(wire).downhill; }
+
+const std::vector<PipId> &Arch::getPipsUphill(WireId wire) const { return wires.at(wire).uphill; }
+
+const std::vector<PipId> &Arch::getWireAliases(WireId wire) const { return wires.at(wire).aliases; }
+
+// ---------------------------------------------------------------
+
+void Arch::estimatePosition(BelId bel, int &x, int &y, bool &gb) const
{
- static std::vector<GraphicElement> ret;
- return ret;
+ x = bels.at(bel).grid_x;
+ y = bels.at(bel).grid_y;
+ gb = bels.at(bel).gb;
}
-std::vector<GraphicElement> Arch::getPipGraphics(PipId pip) const
+delay_t Arch::estimateDelay(WireId src, WireId dst) const
{
- static std::vector<GraphicElement> ret;
- return ret;
+ const WireInfo &s = wires.at(src);
+ const WireInfo &d = wires.at(dst);
+ int dx = abs(s.grid_x - d.grid_x);
+ int dy = abs(s.grid_y - d.grid_y);
+ return (dx + dy) * grid_distance_to_delay;
}
// ---------------------------------------------------------------
+const std::vector<GraphicElement> &Arch::getFrameGraphics() const { return frame_graphics; }
+
+const std::vector<GraphicElement> &Arch::getBelGraphics(BelId bel) const { return bels.at(bel).graphics; }
+
+const std::vector<GraphicElement> &Arch::getWireGraphics(WireId wire) const { return wires.at(wire).graphics; }
+
+const std::vector<GraphicElement> &Arch::getPipGraphics(PipId pip) const { return pips.at(pip).graphics; }
+
+// ---------------------------------------------------------------
+
bool Arch::getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, delay_t &delay) const
{
return false;
diff --git a/generic/arch.h b/generic/arch.h
index 4280951c..9c2bee2e 100644
--- a/generic/arch.h
+++ b/generic/arch.h
@@ -32,7 +32,7 @@ struct WireInfo;
struct PipInfo
{
IdString name, bound_net;
- WireInfo *srcWire, *dstWire;
+ WireId srcWire, dstWire;
DelayInfo delay;
std::vector<GraphicElement> graphics;
};
@@ -41,13 +41,16 @@ struct WireInfo
{
IdString name, bound_net;
std::vector<GraphicElement> graphics;
- std::vector<PipInfo*> downhill, uphill, aliases;
+ std::vector<PipId> downhill, uphill, aliases;
+ BelPin uphill_bel_pin;
+ std::vector<BelPin> downhill_bel_pins;
+ int grid_x, grid_y;
};
struct PinInfo
{
IdString name;
- WireInfo *wire;
+ WireId wire;
PortType type;
};
@@ -56,6 +59,8 @@ struct BelInfo
IdString name, type, bound_cell;
std::unordered_map<IdString, PinInfo> pins;
std::vector<GraphicElement> graphics;
+ int grid_x, grid_y;
+ bool gb;
};
struct Arch : BaseCtx
@@ -69,14 +74,22 @@ struct Arch : BaseCtx
std::vector<IdString> bel_ids, wire_ids, pip_ids;
std::unordered_map<IdString, std::vector<IdString>> bel_ids_by_type;
- void addWire(IdString name);
+ std::vector<GraphicElement> frame_graphics;
+ float grid_distance_to_delay;
+
+ void addWire(IdString name, int x, int y);
void addPip(IdString name, IdString srcWire, IdString dstWire, DelayInfo delay);
- void addAias(IdString name, IdString srcWire, IdString dstWire, DelayInfo delay);
+ void addAlias(IdString name, IdString srcWire, IdString dstWire, DelayInfo delay);
+
+ void addBel(IdString name, IdString type, int x, int y, bool gb);
+ void addBelInput(IdString bel, IdString name, IdString wire);
+ void addBelOutput(IdString bel, IdString name, IdString wire);
+ void addBelInout(IdString bel, IdString name, IdString wire);
- void addBel(IdString name, IdString type);
- void addBelInput(IdString cell, IdString name, IdString wire);
- void addBwlOutput(IdString cell, IdString name, IdString wire);
- void addBelInout(IdString cell, IdString name, IdString wire);
+ void addFrameGraphic(const GraphicElement &graphic);
+ void addWireGraphic(WireId wire, const GraphicElement &graphic);
+ void addPipGraphic(PipId pip, const GraphicElement &graphic);
+ void addBelGraphic(BelId bel, const GraphicElement &graphic);
// ---------------------------------------------------------------
@@ -141,10 +154,10 @@ struct Arch : BaseCtx
float getDelayNS(delay_t v) const { return v; }
uint32_t getDelayChecksum(delay_t v) const { return 0; }
- std::vector<GraphicElement> getFrameGraphics() const;
- std::vector<GraphicElement> getBelGraphics(BelId bel) const;
- std::vector<GraphicElement> getWireGraphics(WireId wire) const;
- std::vector<GraphicElement> getPipGraphics(PipId pip) const;
+ const std::vector<GraphicElement> &getFrameGraphics() const;
+ const std::vector<GraphicElement> &getBelGraphics(BelId bel) const;
+ const std::vector<GraphicElement> &getWireGraphics(WireId wire) const;
+ const std::vector<GraphicElement> &getPipGraphics(PipId pip) const;
bool allGraphicsReload = false;
bool frameGraphicsReload = false;