diff options
Diffstat (limited to 'ice40/arch.h')
| -rw-r--r-- | ice40/arch.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/ice40/arch.h b/ice40/arch.h index b5ec1dd2..2906cad7 100644 --- a/ice40/arch.h +++ b/ice40/arch.h @@ -815,7 +815,26 @@ struct Arch : BaseCtx // Return true if a port is a net bool isGlobalNet(const NetInfo *net) const; + // ------------------------------------------------- + + // Perform placement validity checks, returning false on failure (all implemented in arch_place.cc) + + // Whether or not a given cell can be placed at a given Bel + // This is not intended for Bel type checks, but finer-grained constraints + // such as conflicting set/reset signals, etc + bool isValidBelForCell(CellInfo *cell, BelId bel) const; + + // Return true whether all Bels at a given location are valid + bool isBelLocationValid(BelId bel) const; + + // Helper function for above + bool logicCellsCompatible(const std::vector<const CellInfo *> &cells) const; + IdString id_glb_buf_out; + IdString id_icestorm_lc, id_sb_io, id_sb_gb; + IdString id_cen, id_clk, id_sr; + IdString id_i0, id_i1, id_i2, id_i3; + IdString id_dff_en, id_neg_clk; }; NEXTPNR_NAMESPACE_END |