diff options
Diffstat (limited to 'passes')
| -rw-r--r-- | passes/techmap/simplemap.cc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/passes/techmap/simplemap.cc b/passes/techmap/simplemap.cc index e06a80bbd..e67b1e055 100644 --- a/passes/techmap/simplemap.cc +++ b/passes/techmap/simplemap.cc @@ -312,6 +312,22 @@ static void simplemap_mux(RTLIL::Module *module, RTLIL::Cell *cell) } } +static void simplemap_slice(RTLIL::Module *module, RTLIL::Cell *cell) +{ + int offset = cell->parameters.at("\\OFFSET").as_int(); + RTLIL::SigSpec sig_a = cell->connections.at("\\A"); + RTLIL::SigSpec sig_y = cell->connections.at("\\Y"); + module->connections.push_back(RTLIL::SigSig(sig_y, sig_a.extract(offset, sig_y.width))); +} + +static void simplemap_concat(RTLIL::Module *module, RTLIL::Cell *cell) +{ + RTLIL::SigSpec sig_ab = cell->connections.at("\\A"); + sig_ab.append(cell->connections.at("\\B")); + RTLIL::SigSpec sig_y = cell->connections.at("\\Y"); + module->connections.push_back(RTLIL::SigSig(sig_y, sig_ab)); +} + static void simplemap_sr(RTLIL::Module *module, RTLIL::Cell *cell) { int width = cell->parameters.at("\\WIDTH").as_int(); @@ -480,6 +496,8 @@ void simplemap_get_mappers(std::map<std::string, void(*)(RTLIL::Module*, RTLIL:: mappers["$logic_and"] = simplemap_logbin; mappers["$logic_or"] = simplemap_logbin; mappers["$mux"] = simplemap_mux; + mappers["$slice"] = simplemap_slice; + mappers["$concat"] = simplemap_concat; mappers["$sr"] = simplemap_sr; mappers["$dff"] = simplemap_dff; mappers["$dffsr"] = simplemap_dffsr; |