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Ignore 'whitebox' attr in flatten with "-wb" option

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This commit is contained in:
Eddie Hung 2019-04-18 10:19:45 -07:00
parent f4abc21d8a
commit 290a798cec
2 changed files with 21 additions and 7 deletions
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4
kernel/rtlil.h
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@ -569,8 +569,8 @@ struct RTLIL::AttrObject
void set_bool_attribute(RTLIL::IdString id); void set_bool_attribute(RTLIL::IdString id);
bool get_bool_attribute(RTLIL::IdString id) const; bool get_bool_attribute(RTLIL::IdString id) const;
bool get_blackbox_attribute() const { bool get_blackbox_attribute(bool ignore_wb=false) const {
return get_bool_attribute("\\blackbox") || get_bool_attribute("\\whitebox"); return get_bool_attribute("\\blackbox") || (!ignore_wb && get_bool_attribute("\\whitebox"));
} }
void set_strpool_attribute(RTLIL::IdString id, const pool<string> &data); void set_strpool_attribute(RTLIL::IdString id, const pool<string> &data);

24
passes/techmap/techmap.cc
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@ -84,6 +84,7 @@ struct TechmapWorker
bool flatten_mode; bool flatten_mode;
bool recursive_mode; bool recursive_mode;
bool autoproc_mode; bool autoproc_mode;
bool ignore_wb;
TechmapWorker() TechmapWorker()
{ {
@ -92,6 +93,7 @@ struct TechmapWorker
flatten_mode = false; flatten_mode = false;
recursive_mode = false; recursive_mode = false;
autoproc_mode = false; autoproc_mode = false;
ignore_wb = false;
} }
std::string constmap_tpl_name(SigMap &sigmap, RTLIL::Module *tpl, RTLIL::Cell *cell, bool verbose) std::string constmap_tpl_name(SigMap &sigmap, RTLIL::Module *tpl, RTLIL::Cell *cell, bool verbose)
@ -472,7 +474,7 @@ struct TechmapWorker
RTLIL::Module *tpl = map->modules_[tpl_name]; RTLIL::Module *tpl = map->modules_[tpl_name];
std::map<RTLIL::IdString, RTLIL::Const> parameters(cell->parameters.begin(), cell->parameters.end()); std::map<RTLIL::IdString, RTLIL::Const> parameters(cell->parameters.begin(), cell->parameters.end());
if (tpl->get_blackbox_attribute()) if (tpl->get_blackbox_attribute(ignore_wb))
continue; continue;
if (!flatten_mode) if (!flatten_mode)
@ -1145,7 +1147,7 @@ struct FlattenPass : public Pass {
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n"); log("\n");
log(" flatten [selection]\n"); log(" flatten [options] [selection]\n");
log("\n"); log("\n");
log("This pass flattens the design by replacing cells by their implementation. This\n"); log("This pass flattens the design by replacing cells by their implementation. This\n");
log("pass is very similar to the 'techmap' pass. The only difference is that this\n"); log("pass is very similar to the 'techmap' pass. The only difference is that this\n");
@ -1154,17 +1156,29 @@ struct FlattenPass : public Pass {
log("Cells and/or modules with the 'keep_hierarchy' attribute set will not be\n"); log("Cells and/or modules with the 'keep_hierarchy' attribute set will not be\n");
log("flattened by this command.\n"); log("flattened by this command.\n");
log("\n"); log("\n");
log(" -wb\n");
log(" Ignore the 'whitebox' attribute on cell implementations.\n");
log("\n");
} }
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{ {
log_header(design, "Executing FLATTEN pass (flatten design).\n"); log_header(design, "Executing FLATTEN pass (flatten design).\n");
log_push(); log_push();
extra_args(args, 1, design);
TechmapWorker worker; TechmapWorker worker;
worker.flatten_mode = true; worker.flatten_mode = true;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++) {
if (args[argidx] == "-wb") {
worker.ignore_wb = true;
continue;
}
break;
}
extra_args(args, argidx, design);
std::map<RTLIL::IdString, std::set<RTLIL::IdString, RTLIL::sort_by_id_str>> celltypeMap; std::map<RTLIL::IdString, std::set<RTLIL::IdString, RTLIL::sort_by_id_str>> celltypeMap;
for (auto module : design->modules()) for (auto module : design->modules())
celltypeMap[module->name].insert(module->name); celltypeMap[module->name].insert(module->name);
@ -1209,7 +1223,7 @@ struct FlattenPass : public Pass {
dict<RTLIL::IdString, RTLIL::Module*> new_modules; dict<RTLIL::IdString, RTLIL::Module*> new_modules;
for (auto mod : vector<Module*>(design->modules())) for (auto mod : vector<Module*>(design->modules()))
if (used_modules[mod->name] || mod->get_blackbox_attribute()) { if (used_modules[mod->name] || mod->get_blackbox_attribute(worker.ignore_wb)) {
new_modules[mod->name] = mod; new_modules[mod->name] = mod;
} else { } else {
log("Deleting now unused module %s.\n", log_id(mod)); log("Deleting now unused module %s.\n", log_id(mod));