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| author | Sergiusz Bazanski <q3k@q3k.org> | 2018-07-25 11:32:45 +0100 |
|---|---|---|
| committer | Sergiusz Bazanski <q3k@q3k.org> | 2018-07-25 11:32:45 +0100 |
| commit | 14a501969af0023c7396d41a0116e706c68cf5ed (patch) | |
| tree | e16a50bf122faed323bce936255e7e09b6201242 /common/nextpnr.h | |
| parent | c554ab1ef01c8cb5f4a35040bc3fce106be03559 (diff) | |
| parent | e39290b71299843eff858fb51543b99a06178a1d (diff) | |
| download | nextpnr-14a501969af0023c7396d41a0116e706c68cf5ed.tar.gz nextpnr-14a501969af0023c7396d41a0116e706c68cf5ed.tar.bz2 nextpnr-14a501969af0023c7396d41a0116e706c68cf5ed.zip | |
Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr into q3k/pll-pads
Diffstat (limited to 'common/nextpnr.h')
| -rw-r--r-- | common/nextpnr.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/common/nextpnr.h b/common/nextpnr.h index 3ba4f3b3..4a1aaac1 100644 --- a/common/nextpnr.h +++ b/common/nextpnr.h @@ -273,6 +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 |