*/
#include "kernel/yosys.h"
-#include "kernel/toposort.h"
+#include "kernel/utils.h"
#include "kernel/sigtools.h"
#include "libs/sha1/sha1.h"
#include <stdio.h>
#include <string.h>
+#include "simplemap.h"
#include "passes/techmap/techmap.inc"
-// see simplemap.cc
-extern void simplemap_get_mappers(std::map<RTLIL::IdString, void(*)(RTLIL::Module*, RTLIL::Cell*)> &mappers);
+YOSYS_NAMESPACE_BEGIN
-static void apply_prefix(std::string prefix, std::string &id)
+// see maccmap.cc
+extern void maccmap(RTLIL::Module *module, RTLIL::Cell *cell, bool unmap = false);
+
+YOSYS_NAMESPACE_END
+
+USING_YOSYS_NAMESPACE
+PRIVATE_NAMESPACE_BEGIN
+
+void apply_prefix(std::string prefix, std::string &id)
{
if (id[0] == '\\')
id = prefix + "." + id.substr(1);
id = "$techmap" + prefix + "." + id;
}
-static void apply_prefix(std::string prefix, RTLIL::SigSpec &sig, RTLIL::Module *module)
+void apply_prefix(std::string prefix, RTLIL::SigSpec &sig, RTLIL::Module *module)
{
std::vector<RTLIL::SigChunk> chunks = sig;
for (auto &chunk : chunks)
std::map<std::pair<RTLIL::IdString, std::map<RTLIL::IdString, RTLIL::Const>>, RTLIL::Module*> techmap_cache;
std::map<RTLIL::Module*, bool> techmap_do_cache;
std::set<RTLIL::Module*, RTLIL::IdString::compare_ptr_by_name<RTLIL::Module>> module_queue;
+ dict<Module*, SigMap> sigmaps;
+
+ pool<IdString> flatten_do_list;
+ pool<IdString> flatten_done_list;
+ pool<Cell*> flatten_keep_list;
struct TechmapWireData {
RTLIL::Wire *wire;
bool extern_mode;
bool assert_mode;
bool flatten_mode;
+ bool recursive_mode;
+ bool autoproc_mode;
TechmapWorker()
{
extern_mode = false;
assert_mode = false;
flatten_mode = false;
+ recursive_mode = false;
+ autoproc_mode = false;
}
std::string constmap_tpl_name(SigMap &sigmap, RTLIL::Module *tpl, RTLIL::Cell *cell, bool verbose)
std::map<RTLIL::SigBit, std::pair<RTLIL::IdString, int>> connbits_map;
for (auto conn : cell->connections())
- for (int i = 0; i < SIZE(conn.second); i++) {
+ for (int i = 0; i < GetSize(conn.second); i++) {
RTLIL::SigBit bit = sigmap(conn.second[i]);
if (bit.wire == nullptr) {
if (verbose)
connbits_map.at(bit).second, log_id(connbits_map.at(bit).first));
constmap_info += stringf("|%s %d %s %d", log_id(conn.first), i,
log_id(connbits_map.at(bit).first), connbits_map.at(bit).second);
- } else
- connbits_map[bit] = std::pair<RTLIL::IdString, int>(conn.first, i);stringf("%s %d", log_id(conn.first), i, bit.data);
+ } else {
+ connbits_map[bit] = std::pair<RTLIL::IdString, int>(conn.first, i);
+ constmap_info += stringf("|%s %d", log_id(conn.first), i);
+ }
}
return stringf("$paramod$constmap:%s%s", sha1(constmap_info).c_str(), tpl->name.c_str());
continue;
const char *q = strrchr(p+1, '.');
- p = q ? q : p+1;
+ p = q ? q+1 : p+1;
if (!strncmp(p, "_TECHMAP_", 9)) {
TechmapWireData record;
void techmap_module_worker(RTLIL::Design *design, RTLIL::Module *module, RTLIL::Cell *cell, RTLIL::Module *tpl)
{
- log("Mapping `%s.%s' using `%s'.\n", RTLIL::id2cstr(module->name), RTLIL::id2cstr(cell->name), RTLIL::id2cstr(tpl->name));
-
- if (tpl->memories.size() != 0)
- log_error("Technology map yielded memories -> this is not supported.\n");
-
if (tpl->processes.size() != 0) {
log("Technology map yielded processes:\n");
for (auto &it : tpl->processes)
log(" %s",RTLIL::id2cstr(it.first));
- log_error("Technology map yielded processes -> this is not supported.\n");
+ if (autoproc_mode) {
+ Pass::call_on_module(tpl->design, tpl, "proc");
+ log_assert(GetSize(tpl->processes) == 0);
+ } else
+ log_error("Technology map yielded processes -> this is not supported (use -autoproc to run 'proc' automatically).\n");
}
std::string orig_cell_name;
+ pool<string> extra_src_attrs;
+
if (!flatten_mode)
+ {
for (auto &it : tpl->cells_)
if (it.first == "\\_TECHMAP_REPLACE_") {
orig_cell_name = cell->name.str();
break;
}
+ extra_src_attrs = cell->get_strpool_attribute("\\src");
+ }
+
+ dict<IdString, IdString> memory_renames;
+
+ for (auto &it : tpl->memories) {
+ std::string m_name = it.first.str();
+ apply_prefix(cell->name.str(), m_name);
+ RTLIL::Memory *m = new RTLIL::Memory;
+ m->name = m_name;
+ m->width = it.second->width;
+ m->start_offset = it.second->start_offset;
+ m->size = it.second->size;
+ m->attributes = it.second->attributes;
+ if (m->attributes.count("\\src"))
+ m->add_strpool_attribute("\\src", extra_src_attrs);
+ module->memories[m->name] = m;
+ memory_renames[it.first] = m->name;
+ design->select(module, m);
+ }
+
std::map<RTLIL::IdString, RTLIL::IdString> positional_ports;
for (auto &it : tpl->wires_) {
w->port_id = 0;
if (it.second->get_bool_attribute("\\_techmap_special_"))
w->attributes.clear();
+ if (w->attributes.count("\\src"))
+ w->add_strpool_attribute("\\src", extra_src_attrs);
design->select(module, w);
}
if (flatten_mode) {
// more conservative approach:
// connect internal and external wires
+ if (sigmaps.count(module) == 0)
+ sigmaps[module].set(module);
+ if (sigmaps.at(module)(c.first).has_const())
+ log_error("Mismatch in directionality for cell port %s.%s.%s: %s <= %s\n",
+ log_id(module), log_id(cell), log_id(it.first), log_signal(c.first), log_signal(c.second));
module->connect(c);
} else {
// approach that yields nicer outputs:
apply_prefix(cell->name.str(), it2.second, module);
port_signal_map.apply(it2.second);
}
+
+ if (c->type == "$memrd" || c->type == "$memwr") {
+ IdString memid = c->getParam("\\MEMID").decode_string();
+ log_assert(memory_renames.count(memid));
+ c->setParam("\\MEMID", Const(memory_renames[memid].str()));
+ }
+
+ if (c->attributes.count("\\src"))
+ c->add_strpool_attribute("\\src", extra_src_attrs);
}
for (auto &it : tpl->connections()) {
}
bool techmap_module(RTLIL::Design *design, RTLIL::Module *module, RTLIL::Design *map, std::set<RTLIL::Cell*> &handled_cells,
- const std::map<RTLIL::IdString, std::set<RTLIL::IdString>> &celltypeMap)
+ const std::map<RTLIL::IdString, std::set<RTLIL::IdString, RTLIL::sort_by_id_str>> &celltypeMap, bool in_recursion)
{
+ std::string mapmsg_prefix = in_recursion ? "Recursively mapping" : "Mapping";
+
if (!design->selected(module))
return false;
SigMap sigmap(module);
- TopoSort<RTLIL::Cell*> cells;
+ TopoSort<RTLIL::Cell*, RTLIL::IdString::compare_ptr_by_name<RTLIL::Cell>> cells;
std::map<RTLIL::Cell*, std::set<RTLIL::SigBit>> cell_to_inbit;
std::map<RTLIL::SigBit, std::set<RTLIL::Cell*>> outbit_to_cell;
if (!design->selected(module, cell) || handled_cells.count(cell) > 0)
continue;
- if (celltypeMap.count(cell->type) == 0) {
- if (assert_mode && cell->type.str().back() != '_')
- log_error("(ASSERT MODE) No matching template cell for type %s found.\n", log_id(cell->type));
+ std::string cell_type = cell->type.str();
+ if (in_recursion && cell_type.substr(0, 2) == "\\$")
+ cell_type = cell_type.substr(1);
+
+ if (celltypeMap.count(cell_type) == 0) {
+ if (assert_mode && cell_type.back() != '_')
+ log_error("(ASSERT MODE) No matching template cell for type %s found.\n", log_id(cell_type));
continue;
}
+ if (flatten_mode) {
+ bool keepit = cell->get_bool_attribute("\\keep_hierarchy");
+ for (auto &tpl_name : celltypeMap.at(cell_type))
+ if (map->modules_[tpl_name]->get_bool_attribute("\\keep_hierarchy"))
+ keepit = true;
+ if (keepit) {
+ if (!flatten_keep_list[cell]) {
+ log("Keeping %s.%s (found keep_hierarchy property).\n", log_id(module), log_id(cell));
+ flatten_keep_list.insert(cell);
+ }
+ if (!flatten_done_list[cell->type])
+ flatten_do_list.insert(cell->type);
+ continue;
+ }
+ }
+
for (auto &conn : cell->connections())
{
RTLIL::SigSpec sig = sigmap(conn.second);
sig.remove_const();
- if (SIZE(sig) == 0)
+ if (GetSize(sig) == 0)
continue;
- for (auto &tpl_name : celltypeMap.at(cell->type)) {
+ for (auto &tpl_name : celltypeMap.at(cell_type)) {
RTLIL::Module *tpl = map->modules_[tpl_name];
RTLIL::Wire *port = tpl->wire(conn.first);
if (port && port->port_input)
log_assert(cell == module->cell(cell->name));
bool mapped_cell = false;
- for (auto &tpl_name : celltypeMap.at(cell->type))
+ std::string cell_type = cell->type.str();
+ if (in_recursion && cell_type.substr(0, 2) == "\\$")
+ cell_type = cell_type.substr(1);
+
+ for (auto &tpl_name : celltypeMap.at(cell_type))
{
RTLIL::IdString derived_name = tpl_name;
RTLIL::Module *tpl = map->modules_[tpl_name];
- std::map<RTLIL::IdString, RTLIL::Const> parameters = cell->parameters;
+ std::map<RTLIL::IdString, RTLIL::Const> parameters(cell->parameters.begin(), cell->parameters.end());
if (tpl->get_bool_attribute("\\blackbox"))
continue;
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 (tpl->attributes.count("\\techmap_wrap"))
+ extmapper_name = "wrap";
+
+ if (!extmapper_name.empty())
{
- if (extern_mode)
+ cell->type = cell_type;
+
+ if ((extern_mode && !in_recursion) || extmapper_name == "wrap")
{
- log("WARNING: Mapping simplemap cell %s.%s (%s) in -extern mode is not supported yet.\n", log_id(module), log_id(cell), log_id(cell->type));
- break;
+ std::string m_name = stringf("$extern:%s:%s", extmapper_name.c_str(), log_id(cell->type));
+
+ for (auto &c : cell->parameters)
+ m_name += stringf(":%s=%s", log_id(c.first), log_signal(c.second));
+
+ if (extmapper_name == "wrap")
+ m_name += ":" + sha1(tpl->attributes.at("\\techmap_wrap").decode_string());
+
+ RTLIL::Design *extmapper_design = extern_mode && !in_recursion ? design : tpl->design;
+ RTLIL::Module *extmapper_module = extmapper_design->module(m_name);
+
+ if (extmapper_module == nullptr)
+ {
+ extmapper_module = extmapper_design->addModule(m_name);
+ RTLIL::Cell *extmapper_cell = extmapper_module->addCell(cell->type, cell);
+
+ int port_counter = 1;
+ for (auto &c : extmapper_cell->connections_) {
+ RTLIL::Wire *w = extmapper_module->addWire(c.first, GetSize(c.second));
+ if (w->name == "\\Y" || w->name == "\\Q")
+ w->port_output = true;
+ else
+ w->port_input = true;
+ w->port_id = port_counter++;
+ c.second = w;
+ }
+
+ extmapper_module->fixup_ports();
+ extmapper_module->check();
+
+ if (extmapper_name == "simplemap") {
+ log("Creating %s with simplemap.\n", log_id(extmapper_module));
+ if (simplemap_mappers.count(extmapper_cell->type) == 0)
+ log_error("No simplemap mapper for cell type %s found!\n", log_id(extmapper_cell->type));
+ simplemap_mappers.at(extmapper_cell->type)(extmapper_module, extmapper_cell);
+ extmapper_module->remove(extmapper_cell);
+ }
+
+ if (extmapper_name == "maccmap") {
+ log("Creating %s with maccmap.\n", log_id(extmapper_module));
+ if (extmapper_cell->type != "$macc")
+ log_error("The maccmap mapper can only map $macc (not %s) cells!\n", log_id(extmapper_cell->type));
+ maccmap(extmapper_module, extmapper_cell);
+ extmapper_module->remove(extmapper_cell);
+ }
+
+ if (extmapper_name == "wrap") {
+ std::string cmd_string = tpl->attributes.at("\\techmap_wrap").decode_string();
+ log("Running \"%s\" on wrapper %s.\n", cmd_string.c_str(), log_id(extmapper_module));
+ Pass::call_on_module(extmapper_design, extmapper_module, cmd_string);
+ log_continue = true;
+ }
+ }
+
+ cell->type = extmapper_module->name;
+ cell->parameters.clear();
+
+ if (!extern_mode || in_recursion) {
+ tpl = extmapper_module;
+ goto use_wrapper_tpl;
+ }
+
+ log("%s %s.%s (%s) to %s.\n", mapmsg_prefix.c_str(), log_id(module), log_id(cell), log_id(cell->type), log_id(extmapper_module));
}
else
{
- log("Mapping %s.%s (%s) with simplemap.\n", RTLIL::id2cstr(module->name), RTLIL::id2cstr(cell->name), RTLIL::id2cstr(cell->type));
- if (simplemap_mappers.count(cell->type) == 0)
- log_error("No simplemap mapper for cell type %s found!\n", RTLIL::id2cstr(cell->type));
- simplemap_mappers.at(cell->type)(module, cell);
+ log("%s %s.%s (%s) with %s.\n", mapmsg_prefix.c_str(), log_id(module), log_id(cell), log_id(cell->type), extmapper_name.c_str());
+
+ if (extmapper_name == "simplemap") {
+ if (simplemap_mappers.count(cell->type) == 0)
+ log_error("No simplemap mapper for cell type %s found!\n", RTLIL::id2cstr(cell->type));
+ simplemap_mappers.at(cell->type)(module, cell);
+ }
+
+ if (extmapper_name == "maccmap") {
+ if (cell->type != "$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;
- did_something = true;
- mapped_cell = true;
- break;
}
+
+ did_something = true;
+ mapped_cell = true;
+ break;
}
for (auto conn : cell->connections()) {
}
}
- std::pair<RTLIL::IdString, std::map<RTLIL::IdString, RTLIL::Const>> key(tpl_name, parameters);
- if (techmap_cache.count(key) > 0) {
- tpl = techmap_cache[key];
+ if (0) {
+ use_wrapper_tpl:;
+ // do not register techmap_wrap modules with techmap_cache
} else {
- if (cell->parameters.size() != 0) {
- derived_name = tpl->derive(map, parameters);
- tpl = map->module(derived_name);
- log_continue = true;
+ std::pair<RTLIL::IdString, std::map<RTLIL::IdString, RTLIL::Const>> key(tpl_name, parameters);
+ if (techmap_cache.count(key) > 0) {
+ tpl = techmap_cache[key];
+ } else {
+ if (cell->parameters.size() != 0) {
+ derived_name = tpl->derive(map, dict<RTLIL::IdString, RTLIL::Const>(parameters.begin(), parameters.end()));
+ tpl = map->module(derived_name);
+ log_continue = true;
+ }
+ techmap_cache[key] = tpl;
}
- techmap_cache[key] = tpl;
}
if (flatten_mode) {
std::string cmd_string = data.value.as_const().decode_string();
+ restart_eval_cmd_string:
if (cmd_string.rfind("CONSTMAP; ", 0) == 0)
{
cmd_string = cmd_string.substr(strlen("CONSTMAP; "));
}
for (auto conn : cell->connections())
- for (int i = 0; i < SIZE(conn.second); i++)
+ for (int i = 0; i < GetSize(conn.second); i++)
{
RTLIL::SigBit bit = sigmap(conn.second[i]);
RTLIL::SigBit tplbit(tpl->wire(conn.first), i);
port_conn.second.append_bit(it.second);
}
tpl->connect(port_conn);
+
+ tpl->check();
+ goto restart_eval_cmd_string;
+ }
+
+ if (cmd_string.rfind("RECURSION; ", 0) == 0)
+ {
+ cmd_string = cmd_string.substr(strlen("RECURSION; "));
+ while (techmap_module(map, tpl, map, handled_cells, celltypeMap, true)) { }
+ goto restart_eval_cmd_string;
}
Pass::call_on_module(map, tpl, cmd_string);
for (auto &it : techmap_wire_names)
log_error("Techmap special wire %s disappeared. This is considered a fatal error.\n", RTLIL::id2cstr(it));
+
+ if (recursive_mode) {
+ if (log_continue) {
+ log_header("Continuing TECHMAP pass.\n");
+ log_continue = false;
+ }
+ while (techmap_module(map, tpl, map, handled_cells, celltypeMap, true)) { }
+ }
}
if (techmap_do_cache.at(tpl) == false)
log_continue = false;
}
- if (extern_mode)
+ if (extern_mode && !in_recursion)
{
std::string m_name = stringf("$extern:%s", log_id(tpl));
module_queue.insert(m);
}
- log("Mapping %s.%s to imported %s.\n", log_id(module), log_id(cell), log_id(m_name));
+ log("%s %s.%s to imported %s.\n", mapmsg_prefix.c_str(), log_id(module), log_id(cell), log_id(m_name));
cell->type = m_name;
cell->parameters.clear();
}
else
{
+ log("%s %s.%s using %s.\n", mapmsg_prefix.c_str(), log_id(module), log_id(cell), log_id(tpl));
techmap_module_worker(design, module, cell, tpl);
cell = NULL;
}
log(" transforms the internal RTL cells to the internal gate\n");
log(" library.\n");
log("\n");
- log(" -share_map filename\n");
- log(" like -map, but look for the file in the share directory (where the\n");
- log(" yosys data files are). this is mainly used internally when techmap\n");
- log(" is called from other commands.\n");
+ log(" -map %%<design-name>\n");
+ log(" like -map above, but with an in-memory design instead of a file.\n");
log("\n");
log(" -extern\n");
log(" load the cell implementations as separate modules into the design\n");
log(" -max_iter <number>\n");
log(" only run the specified number of iterations.\n");
log("\n");
+ log(" -recursive\n");
+ log(" instead of the iterative breadth-first algorithm use a recursive\n");
+ log(" depth-first algorithm. both methods should yield equivialent results,\n");
+ log(" but may differ in performance.\n");
+ log("\n");
+ log(" -autoproc\n");
+ log(" Automatically call \"proc\" on implementations that contain processes.\n");
+ log("\n");
log(" -assert\n");
log(" this option will cause techmap to exit with an error if it can't map\n");
log(" a selected cell. only cell types that end on an underscore are accepted\n");
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("When a module in the map file has the 'techmap_wrap' attribute set, techmap\n");
+ log("will create a wrapper for the cell and then run the command string that the\n");
+ log("attribute is set to on the wrapper 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");
log(" optimizied specializations of techmap modules without using the special\n");
log(" parameters described below.\n");
log("\n");
+ log(" A _TECHMAP_DO_* command may start with the special token 'RECURSION; '.\n");
+ log(" then techmap will recursively replace the cells in the module with their\n");
+ log(" implementation. This is not affected by the -max_iter option.\n");
+ log("\n");
+ log(" It is possible to combine both prefixes to 'RECURSION; CONSTMAP; '.\n");
+ log("\n");
log("In addition to this special wires, techmap also supports special parameters in\n");
log("modules in the map file:\n");
log("\n");
int max_iter = -1;
size_t argidx;
- std::string proc_share_path = proc_share_dirname();
for (argidx = 1; argidx < args.size(); argidx++) {
if (args[argidx] == "-map" && argidx+1 < args.size()) {
map_files.push_back(args[++argidx]);
continue;
}
- if (args[argidx] == "-share_map" && argidx+1 < args.size()) {
- map_files.push_back(proc_share_path + args[++argidx]);
- continue;
- }
if (args[argidx] == "-max_iter" && argidx+1 < args.size()) {
max_iter = atoi(args[++argidx].c_str());
continue;
worker.extern_mode = true;
continue;
}
+ if (args[argidx] == "-recursive") {
+ worker.recursive_mode = true;
+ continue;
+ }
+ if (args[argidx] == "-autoproc") {
+ worker.autoproc_mode = true;
+ continue;
+ }
break;
}
extra_args(args, argidx, design);
RTLIL::Design *map = new RTLIL::Design;
if (map_files.empty()) {
- FILE *f = fmemopen(stdcells_code, strlen(stdcells_code), "rt");
- Frontend::frontend_call(map, f, "<techmap.v>", verilog_frontend);
- fclose(f);
+ std::istringstream f(stdcells_code);
+ Frontend::frontend_call(map, &f, "<techmap.v>", verilog_frontend);
} else
for (auto &fn : map_files)
if (fn.substr(0, 1) == "%") {
if (!map->has(mod->name))
map->add(mod->clone());
} else {
- FILE *f = fopen(fn.c_str(), "rt");
- if (f == NULL)
+ std::ifstream f;
+ rewrite_filename(fn);
+ f.open(fn.c_str());
+ if (f.fail())
log_cmd_error("Can't open map file `%s'\n", fn.c_str());
- Frontend::frontend_call(map, f, fn, (fn.size() > 3 && fn.substr(fn.size()-3) == ".il") ? "ilang" : verilog_frontend);
- fclose(f);
+ Frontend::frontend_call(map, &f, fn, (fn.size() > 3 && fn.substr(fn.size()-3) == ".il") ? "ilang" : verilog_frontend);
}
- std::map<RTLIL::IdString, RTLIL::Module*> modules_new;
- for (auto &it : map->modules_) {
- if (it.first.substr(0, 2) == "\\$")
- it.second->name = it.first.substr(1);
- modules_new[it.second->name] = it.second;
- }
- map->modules_.swap(modules_new);
-
- std::map<RTLIL::IdString, std::set<RTLIL::IdString>> celltypeMap;
+ std::map<RTLIL::IdString, std::set<RTLIL::IdString, RTLIL::sort_by_id_str>> celltypeMap;
for (auto &it : map->modules_) {
if (it.second->attributes.count("\\techmap_celltype") && !it.second->attributes.at("\\techmap_celltype").bits.empty()) {
char *p = strdup(it.second->attributes.at("\\techmap_celltype").decode_string().c_str());
for (char *q = strtok(p, " \t\r\n"); q; q = strtok(NULL, " \t\r\n"))
celltypeMap[RTLIL::escape_id(q)].insert(it.first);
free(p);
- } else
- celltypeMap[it.first].insert(it.first);
+ } else {
+ string module_name = it.first.str();
+ if (module_name.substr(0, 2) == "\\$")
+ module_name = module_name.substr(1);
+ celltypeMap[module_name].insert(it.first);
+ }
}
for (auto module : design->modules())
std::set<RTLIL::Cell*> handled_cells;
while (did_something) {
did_something = false;
- if (worker.techmap_module(design, module, map, handled_cells, celltypeMap))
+ if (worker.techmap_module(design, module, map, handled_cells, celltypeMap, false))
did_something = true;
if (did_something)
module->check();
log("pass is very simmilar to the 'techmap' pass. The only difference is that this\n");
log("pass is using the current design as mapping library.\n");
log("\n");
+ log("Cells and/or modules with the 'keep_hiearchy' attribute set will not be\n");
+ log("flattened by this command.\n");
+ log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
TechmapWorker worker;
worker.flatten_mode = true;
- std::map<RTLIL::IdString, std::set<RTLIL::IdString>> celltypeMap;
- for (auto &it : design->modules_)
- celltypeMap[it.first].insert(it.first);
+ std::map<RTLIL::IdString, std::set<RTLIL::IdString, RTLIL::sort_by_id_str>> celltypeMap;
+ for (auto module : design->modules())
+ celltypeMap[module->name].insert(module->name);
RTLIL::Module *top_mod = NULL;
if (design->full_selection())
if (mod->get_bool_attribute("\\top"))
top_mod = mod;
- bool did_something = true;
std::set<RTLIL::Cell*> handled_cells;
- while (did_something) {
- did_something = false;
- if (top_mod != NULL) {
- if (worker.techmap_module(design, top_mod, design, handled_cells, celltypeMap))
- did_something = true;
- } else {
- for (auto mod : design->modules())
- if (worker.techmap_module(design, mod, design, handled_cells, celltypeMap))
- did_something = true;
+ if (top_mod != NULL) {
+ worker.flatten_do_list.insert(top_mod->name);
+ while (!worker.flatten_do_list.empty()) {
+ auto mod = design->module(*worker.flatten_do_list.begin());
+ while (worker.techmap_module(design, mod, design, handled_cells, celltypeMap, false)) { }
+ worker.flatten_done_list.insert(mod->name);
+ worker.flatten_do_list.erase(mod->name);
}
+ } else {
+ for (auto mod : vector<Module*>(design->modules()))
+ while (worker.techmap_module(design, mod, design, handled_cells, celltypeMap, false)) { }
}
log("No more expansions possible.\n");
- if (top_mod != NULL) {
- std::map<RTLIL::IdString, RTLIL::Module*> new_modules;
- for (auto mod : design->modules())
- if (mod == top_mod || mod->get_bool_attribute("\\blackbox")) {
+ if (top_mod != NULL)
+ {
+ pool<RTLIL::IdString> used_modules, new_used_modules;
+ new_used_modules.insert(top_mod->name);
+ while (!new_used_modules.empty()) {
+ pool<RTLIL::IdString> queue;
+ queue.swap(new_used_modules);
+ for (auto modname : queue)
+ used_modules.insert(modname);
+ for (auto modname : queue)
+ for (auto cell : design->module(modname)->cells())
+ if (design->module(cell->type) && !used_modules[cell->type])
+ new_used_modules.insert(cell->type);
+ }
+
+ dict<RTLIL::IdString, RTLIL::Module*> new_modules;
+ for (auto mod : vector<Module*>(design->modules()))
+ if (used_modules[mod->name] || mod->get_bool_attribute("\\blackbox")) {
new_modules[mod->name] = mod;
} else {
log("Deleting now unused module %s.\n", log_id(mod));
}
} FlattenPass;
+PRIVATE_NAMESPACE_END