diff options
Diffstat (limited to 'fpga_interchange/luts.h')
| -rw-r--r-- | fpga_interchange/luts.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/fpga_interchange/luts.h b/fpga_interchange/luts.h index cbb817c9..8f33507a 100644 --- a/fpga_interchange/luts.h +++ b/fpga_interchange/luts.h @@ -31,6 +31,8 @@ NEXTPNR_NAMESPACE_BEGIN struct CellInfo; struct Context; +struct SiteLutMappingResult; + enum LogicLevel { LL_Zero, @@ -66,6 +68,14 @@ struct LutBel int32_t max_pin; }; +struct SiteLutMapping +{ + struct LutCellMapping + { + LutCell lut_cell; + }; +}; + // Work forward from cell definition and cell -> bel pin map and check that // equation is valid. void check_equation(const LutCell &lut_cell, const dict<IdString, IdString> &cell_to_bel_map, const LutBel &lut_bel, @@ -89,7 +99,8 @@ struct LutMapper std::vector<CellInfo *> cells; - bool remap_luts(const Context *ctx, pool<const LutBel *, hash_ptr_ops> *blocked_luts); + bool remap_luts(const Context *ctx, SiteLutMappingResult *lut_mapping, + pool<const LutBel *, hash_ptr_ops> *blocked_luts); // Determine which wires given the current mapping must be tied to the // default constant. |