2 files changed, 36 insertions, 0 deletions
diff --git a/cyclonev/arch.cc b/cyclonev/arch.cc
index f5dd35eb..ac19b7d2 100644
--- a/cyclonev/arch.cc
+++ b/cyclonev/arch.cc
@@ -90,6 +90,22 @@ IdString Arch::getBelName(BelId bel) const
     return id(bel_str);
 }
 
+void Arch::bindBel(BelId bel, CellInfo *cell, PlaceStrength strength)
+{
+    bels.at(bel).bound_cell = cell;
+    cell->bel = bel;
+    cell->belStrength = strength;
+    refreshUiBel(bel);
+}
+
+void Arch::unbindBel(BelId bel)
+{
+    bels.at(bel).bound_cell->bel = BelId();
+    bels.at(bel).bound_cell->belStrength = STRENGTH_NONE;
+    bels.at(bel).bound_cell = nullptr;
+    refreshUiBel(bel);
+}
 
+bool Arch::checkBelAvail(BelId bel) const { return bels.at(bel).bound_cell == nullptr; }
 
 NEXTPNR_NAMESPACE_END
 \ No newline at end of file
diff --git a/cyclonev/arch.h b/cyclonev/arch.h
index cdf41f39..cd5905cd 100644
--- a/cyclonev/arch.h
+++ b/cyclonev/arch.h
@@ -30,11 +30,31 @@ struct ArchArgs
     std::string device;
 };
 
+struct BelInfo
+{
+    IdString name, type;
+    std::map<IdString, std::string> attrs;
+    CellInfo *bound_cell;
+    std::unordered_map<IdString, PinInfo> pins;
+    DecalXY decalxy;
+    int x, y, z;
+    bool gb;
+};
+
+struct PinInfo
+{
+    IdString name;
+    WireId wire;
+    PortType type;
+};
+
 struct Arch : BaseCtx
 {
     ArchArgs args;
     mistral::CycloneV* cyclonev;
 
+    std::unordered_map<IdString, BelInfo> bels;
+
     Arch(ArchArgs args);
 
     std::string getChipName() const { return std::string{"TODO: getChipName"}; }