diff options
Diffstat (limited to 'ice40/arch_place.h')
| -rw-r--r-- | ice40/arch_place.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/ice40/arch_place.h b/ice40/arch_place.h index 3d05ed7a..d276b9c4 100644 --- a/ice40/arch_place.h +++ b/ice40/arch_place.h @@ -26,13 +26,27 @@ NEXTPNR_NAMESPACE_BEGIN -// 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(Context *ctx, CellInfo *cell, BelId bel); +class PlaceValidityChecker +{ + public: + PlaceValidityChecker(Context *ctx); + // 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); -// Return true whether all Bels at a given location are valid -bool isBelLocationValid(Context *ctx, BelId bel); + // Return true whether all Bels at a given location are valid + bool isBelLocationValid(BelId bel); + + private: + bool logicCellsCompatible(const Context *ctx, + const std::vector<const CellInfo *> &cells); + 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; + Context *ctx; +}; NEXTPNR_NAMESPACE_END |