diff options
Diffstat (limited to 'common/nextpnr.h')
| -rw-r--r-- | common/nextpnr.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/common/nextpnr.h b/common/nextpnr.h index 021772fe..4a1aaac1 100644 --- a/common/nextpnr.h +++ b/common/nextpnr.h @@ -147,6 +147,7 @@ struct GraphicElement { G_NONE, G_LINE, + G_ARROW, G_BOX, G_CIRCLE, G_LABEL @@ -272,6 +273,16 @@ struct CellInfo : ArchCellInfo // cell_port -> bel_pin std::unordered_map<IdString, IdString> pins; + + // placement constraints + CellInfo *constr_parent; + std::vector<CellInfo*> constr_children; + const int UNCONSTR = INT_MIN; + int constr_x = UNCONSTR; // this.x - parent.x + int constr_y = UNCONSTR; // this.y - parent.y + int constr_z = UNCONSTR; // this.z - parent.z + bool constr_abs_z = false; // parent.z := 0 + // parent.[xyz] := 0 when (constr_parent == nullptr) }; struct DeterministicRNG |