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author | Clifford Wolf <clifford@clifford.at> | 2014-09-07 18:23:37 +0200 |
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committer | Clifford Wolf <clifford@clifford.at> | 2014-09-07 18:23:37 +0200 |
commit | c50b841b292f82d2da1f106b4e56c5c05ac9fede (patch) | |
tree | 7e6b8683c922174a0a788f86922e94cce0e146c8 | |
parent | 015dcdc84c5d0f9c899b520c9718ce32c9d2c8f7 (diff) | |
download | yosys-c50b841b292f82d2da1f106b4e56c5c05ac9fede.tar.gz yosys-c50b841b292f82d2da1f106b4e56c5c05ac9fede.tar.bz2 yosys-c50b841b292f82d2da1f106b4e56c5c05ac9fede.zip |
Added 'techmap_maccmap' techmap attribute
-rw-r--r-- | passes/techmap/techmap.cc | 72 |
1 files changed, 53 insertions, 19 deletions
diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index 43a94d976..93ba7c40b 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -31,6 +31,9 @@ // see simplemap.cc extern void simplemap_get_mappers(std::map<RTLIL::IdString, void(*)(RTLIL::Module*, RTLIL::Cell*)> &mappers); +// see maccmap.cc +extern void maccmap(RTLIL::Module *module, RTLIL::Cell *cell, bool unmap = false); + static void apply_prefix(std::string prefix, std::string &id) { if (id[0] == '\\') @@ -338,27 +341,35 @@ struct TechmapWorker if (!flatten_mode) { + std::string extmapper_name; + if (tpl->get_bool_attribute("\\techmap_simplemap")) + extmapper_name = "simplemap"; + + if (tpl->get_bool_attribute("\\techmap_maccmap")) + extmapper_name = "maccmap"; + + if (!extmapper_name.empty()) { cell->type = cell_type; if (extern_mode && !in_recursion) { - std::string m_name = stringf("$extern:simplemap:%s", log_id(cell->type)); + std::string m_name = stringf("$extern:%s:%s", extmapper_name.c_str(), log_id(cell->type)); for (auto &c : cell->parameters) m_name += stringf(":%s=%s", log_id(c.first), log_signal(c.second)); - RTLIL::Module *simplemap_module = design->module(m_name); + RTLIL::Module *extmapper_module = design->module(m_name); - if (simplemap_module == nullptr) + if (extmapper_module == nullptr) { - simplemap_module = design->addModule(m_name); - RTLIL::Cell *simplemap_cell = simplemap_module->addCell(cell->type, cell); + extmapper_module = design->addModule(m_name); + RTLIL::Cell *extmapper_cell = extmapper_module->addCell(cell->type, cell); int port_counter = 1; - for (auto &c : simplemap_cell->connections_) { - RTLIL::Wire *w = simplemap_module->addWire(c.first, SIZE(c.second)); + for (auto &c : extmapper_cell->connections_) { + RTLIL::Wire *w = extmapper_module->addWire(c.first, SIZE(c.second)); if (w->name == "\\Y" || w->name == "\\Q") w->port_output = true; else @@ -367,25 +378,45 @@ struct TechmapWorker c.second = w; } - simplemap_module->check(); + extmapper_module->check(); + + if (extmapper_name == "simplemap") { + log("Creating %s with simplemap.\n", log_id(extmapper_module)); + if (simplemap_mappers.count(extmapper_cell->type) == 0) + log_error("No simplemap mapper for cell type %s found!\n", log_id(extmapper_cell->type)); + simplemap_mappers.at(extmapper_cell->type)(extmapper_module, extmapper_cell); + } + + if (extmapper_name == "maccmap") { + log("Creating %s with maccmap.\n", log_id(extmapper_module)); + if (extmapper_cell->type != "$macc") + log_error("The maccmap mapper can only map $macc (not %s) cells!\n", log_id(extmapper_cell->type)); + maccmap(extmapper_module, extmapper_cell); + } - log("Creating %s with simplemap.\n", log_id(simplemap_module)); - if (simplemap_mappers.count(simplemap_cell->type) == 0) - log_error("No simplemap mapper for cell type %s found!\n", RTLIL::id2cstr(simplemap_cell->type)); - simplemap_mappers.at(simplemap_cell->type)(simplemap_module, simplemap_cell); - simplemap_module->remove(simplemap_cell); + extmapper_module->remove(extmapper_cell); } - log("%s %s.%s (%s) to %s.\n", mapmsg_prefix.c_str(), log_id(module), log_id(cell), log_id(cell->type), log_id(simplemap_module)); - cell->type = simplemap_module->name; + log("%s %s.%s (%s) to %s.\n", mapmsg_prefix.c_str(), log_id(module), log_id(cell), log_id(cell->type), log_id(extmapper_module)); + cell->type = extmapper_module->name; cell->parameters.clear(); } else { - log("%s %s.%s (%s) with simplemap.\n", mapmsg_prefix.c_str(), log_id(module), log_id(cell), log_id(cell->type)); - if (simplemap_mappers.count(cell->type) == 0) - log_error("No simplemap mapper for cell type %s found!\n", RTLIL::id2cstr(cell->type)); - simplemap_mappers.at(cell->type)(module, cell); + log("%s %s.%s (%s) with %s.\n", mapmsg_prefix.c_str(), log_id(module), log_id(cell), log_id(cell->type), extmapper_name.c_str()); + + if (extmapper_name == "simplemap") { + if (simplemap_mappers.count(cell->type) == 0) + log_error("No simplemap mapper for cell type %s found!\n", RTLIL::id2cstr(cell->type)); + simplemap_mappers.at(cell->type)(module, cell); + } + + if (extmapper_name == "maccmap") { + if (cell->type != "$macc") + log_error("The maccmap mapper can only map $macc (not %s) cells!\n", log_id(cell->type)); + maccmap(module, cell); + } + module->remove(cell); cell = NULL; } @@ -752,6 +783,9 @@ struct TechmapPass : public Pass { log("When a module in the map file has the 'techmap_simplemap' attribute set, techmap\n"); log("will use 'simplemap' (see 'help simplemap') to map cells matching the module.\n"); log("\n"); + log("When a module in the map file has the 'techmap_maccmap' attribute set, techmap\n"); + log("will use 'maccmap' (see 'help maccmap') to map cells matching the module.\n"); + log("\n"); log("All wires in the modules from the map file matching the pattern _TECHMAP_*\n"); log("or *._TECHMAP_* are special wires that are used to pass instructions from\n"); log("the mapping module to the techmap command. At the moment the following special\n"); |