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Added support for "blackbox" attribute to flatten/techmap

This commit is contained in:
Clifford Wolf 2014-07-17 08:58:51 +02:00
parent b171a4c1bc
commit 64a6906cc4
1 changed files with 4 additions and 1 deletions
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5
passes/techmap/techmap.cc
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@ -243,6 +243,9 @@ struct TechmapWorker
RTLIL::Module *tpl = map->modules[tpl_name];
std::map<RTLIL::IdString, RTLIL::Const> parameters = cell->parameters;
if (tpl->get_bool_attribute("\\blackbox"))
continue;
if (!flatten_mode)
{
if (tpl->get_bool_attribute("\\techmap_simplemap")) {
@ -686,7 +689,7 @@ struct FlattenPass : public Pass {
if (top_mod != NULL) {
std::map<RTLIL::IdString, RTLIL::Module*> new_modules;
for (auto &mod_it : design->modules)
if (mod_it.second == top_mod) {
if (mod_it.second == top_mod || mod_it.second->get_bool_attribute("\\blackbox")) {
new_modules[mod_it.first] = mod_it.second;
} else {
log("Deleting now unused module %s.\n", RTLIL::id2cstr(mod_it.first));