diff options
| -rw-r--r-- | passes/techmap/techmap.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index 08a1af2d5..8f8cff9fa 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -257,6 +257,12 @@ struct TechmapWorker w->add_strpool_attribute(ID(src), extra_src_attrs); } design->select(module, w); + + if (it.second->name.begins_with("\\_TECHMAP_REPLACE_.")) { + IdString replace_name = stringf("%s%s", orig_cell_name.c_str(), it.second->name.c_str() + strlen("\\_TECHMAP_REPLACE_")); + Wire *replace_w = module->addWire(replace_name, it.second); + module->connect(replace_w, w); + } } SigMap tpl_sigmap(tpl); @@ -1198,6 +1204,10 @@ struct TechmapPass : public Pass { log("\n"); log("A cell with the name _TECHMAP_REPLACE_ in the map file will inherit the name\n"); log("and attributes of the cell that is being replaced.\n"); + log("A wire with a name of the form `_TECHMAP_REPLACE_.<suffix>` in the map file will\n"); + log("cause a new wire alias to be created with its name set to the original but with\n"); + log("its `_TECHMAP_REPLACE_' prefix to be substituted with the name of the cell being\n"); + log("replaced.\n"); log("\n"); log("See 'help extract' for a pass that does the opposite thing.\n"); log("\n"); |