diff options
Diffstat (limited to 'passes/techmap/simplemap.cc')
| -rw-r--r-- | passes/techmap/simplemap.cc | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/passes/techmap/simplemap.cc b/passes/techmap/simplemap.cc index 0fb64734..c6b932bd 100644 --- a/passes/techmap/simplemap.cc +++ b/passes/techmap/simplemap.cc @@ -388,6 +388,23 @@ void simplemap_sr(RTLIL::Module *module, RTLIL::Cell *cell) } } +void simplemap_ff(RTLIL::Module *module, RTLIL::Cell *cell) +{ + int width = cell->parameters.at("\\WIDTH").as_int(); + + RTLIL::SigSpec sig_d = cell->getPort("\\D"); + RTLIL::SigSpec sig_q = cell->getPort("\\Q"); + + std::string gate_type = "$_FF_"; + + for (int i = 0; i < width; i++) { + RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type); + gate->add_strpool_attribute("\\src", cell->get_strpool_attribute("\\src")); + gate->setPort("\\D", sig_d[i]); + gate->setPort("\\Q", sig_q[i]); + } +} + void simplemap_dff(RTLIL::Module *module, RTLIL::Cell *cell) { int width = cell->parameters.at("\\WIDTH").as_int(); @@ -532,6 +549,7 @@ void simplemap_get_mappers(std::map<RTLIL::IdString, void(*)(RTLIL::Module*, RTL mappers["$slice"] = simplemap_slice; mappers["$concat"] = simplemap_concat; mappers["$sr"] = simplemap_sr; + mappers["$ff"] = simplemap_ff; mappers["$dff"] = simplemap_dff; mappers["$dffe"] = simplemap_dffe; mappers["$dffsr"] = simplemap_dffsr; @@ -569,7 +587,7 @@ struct SimplemapPass : public Pass { log(" $not, $pos, $and, $or, $xor, $xnor\n"); log(" $reduce_and, $reduce_or, $reduce_xor, $reduce_xnor, $reduce_bool\n"); log(" $logic_not, $logic_and, $logic_or, $mux, $tribuf\n"); - log(" $sr, $dff, $dffsr, $adff, $dlatch\n"); + log(" $sr, $ff, $dff, $dffsr, $adff, $dlatch\n"); log("\n"); } virtual void execute(std::vector<std::string> args, RTLIL::Design *design) |