bool markgroups;
int map_autoidx;
-inline std::string remap_name(RTLIL::IdString abc_name)
+inline std::string remap_name(RTLIL::IdString abc9_name)
{
- return stringf("$abc$%d$%s", map_autoidx, abc_name.c_str()+1);
+ return stringf("$abc$%d$%s", map_autoidx, abc9_name.c_str()+1);
}
void handle_loops(RTLIL::Design *design, RTLIL::Module *module)
{
- // FIXME: Do not run on all modules in design!?!
- Pass::call(design, "scc -set_attr abc_scc_id {} % w:*");
+ Pass::call(design, "scc -set_attr abc9_scc_id {} % w:*");
// For every unique SCC found, (arbitrarily) find the first
// cell in the component, and select (and mark) all its output
// wires
pool<RTLIL::Const> ids_seen;
for (auto cell : module->cells()) {
- auto it = cell->attributes.find(ID(abc_scc_id));
+ auto it = cell->attributes.find(ID(abc9_scc_id));
if (it != cell->attributes.end()) {
auto r = ids_seen.insert(it->second);
if (r.second) {
if (cell->output(c.first)) {
SigBit b = c.second.as_bit();
Wire *w = b.wire;
- log_assert(!w->port_input);
- w->port_input = true;
- w = module->wire(stringf("%s.abci", w->name.c_str()));
- if (!w) {
- w = module->addWire(stringf("%s.abci", b.wire->name.c_str()), GetSize(b.wire));
- w->port_output = true;
+ if (w->port_input) {
+ // In this case, hopefully the loop break has been already created
+ // Get the non-prefixed wire
+ Wire *wo = module->wire(stringf("%s.abco", b.wire->name.c_str()));
+ log_assert(wo != nullptr);
+ log_assert(wo->port_output);
+ log_assert(b.offset < GetSize(wo));
+ c.second = RTLIL::SigBit(wo, b.offset);
}
else {
- log_assert(w->port_input);
- log_assert(b.offset < GetSize(w));
+ // Create a new output/input loop break
+ w->port_input = true;
+ w = module->wire(stringf("%s.abco", w->name.c_str()));
+ if (!w) {
+ w = module->addWire(stringf("%s.abco", b.wire->name.c_str()), GetSize(b.wire));
+ w->port_output = true;
+ }
+ else {
+ log_assert(w->port_input);
+ log_assert(b.offset < GetSize(w));
+ }
+ w->set_bool_attribute(ID(abc9_scc_break));
+ c.second = RTLIL::SigBit(w, b.offset);
}
- w->set_bool_attribute(ID(abc_scc_break));
- module->swap_names(b.wire, w);
- c.second = RTLIL::SigBit(w, b.offset);
}
}
}
module->fixup_ports();
}
-std::string add_echos_to_abc_cmd(std::string str)
+std::string add_echos_to_abc9_cmd(std::string str)
{
std::string new_str, token;
for (size_t i = 0; i < str.size(); i++) {
return new_str;
}
-std::string fold_abc_cmd(std::string str)
+std::string fold_abc9_cmd(std::string str)
{
std::string token, new_str = " ";
int char_counter = 10;
return text;
}
-struct abc_output_filter
+struct abc9_output_filter
{
bool got_cr;
int escape_seq_state;
std::string tempdir_name;
bool show_tempdir;
- abc_output_filter(std::string tempdir_name, bool show_tempdir) : tempdir_name(tempdir_name), show_tempdir(show_tempdir)
+ abc9_output_filter(std::string tempdir_name, bool show_tempdir) : tempdir_name(tempdir_name), show_tempdir(show_tempdir)
{
got_cr = false;
escape_seq_state = 0;
bool cleanup, vector<int> lut_costs, bool /*dff_mode*/, std::string /*clk_str*/,
bool /*keepff*/, std::string delay_target, std::string /*lutin_shared*/, bool fast_mode,
bool show_tempdir, std::string box_file, std::string lut_file,
- std::string wire_delay, const dict<int,IdString> &box_lookup
+ std::string wire_delay, const dict<int,IdString> &box_lookup, bool nomfs
)
{
map_autoidx = autoidx++;
log_header(design, "Extracting gate netlist of module `%s' to `%s/input.xaig'..\n",
module->name.c_str(), replace_tempdir(tempdir_name, tempdir_name, show_tempdir).c_str());
- std::string abc_script;
+ std::string abc9_script;
if (!lut_costs.empty()) {
- abc_script += stringf("read_lut %s/lutdefs.txt; ", tempdir_name.c_str());
+ abc9_script += stringf("read_lut %s/lutdefs.txt; ", tempdir_name.c_str());
if (!box_file.empty())
- abc_script += stringf("read_box -v %s; ", box_file.c_str());
+ abc9_script += stringf("read_box -v %s; ", box_file.c_str());
}
else
if (!lut_file.empty()) {
- abc_script += stringf("read_lut %s; ", lut_file.c_str());
+ abc9_script += stringf("read_lut %s; ", lut_file.c_str());
if (!box_file.empty())
- abc_script += stringf("read_box -v %s; ", box_file.c_str());
+ abc9_script += stringf("read_box -v %s; ", box_file.c_str());
}
else
log_abort();
- abc_script += stringf("&read %s/input.xaig; &ps; ", tempdir_name.c_str());
+ abc9_script += stringf("&read %s/input.xaig; &ps; ", tempdir_name.c_str());
if (!script_file.empty()) {
if (script_file[0] == '+') {
for (size_t i = 1; i < script_file.size(); i++)
if (script_file[i] == '\'')
- abc_script += "'\\''";
+ abc9_script += "'\\''";
else if (script_file[i] == ',')
- abc_script += " ";
+ abc9_script += " ";
else
- abc_script += script_file[i];
+ abc9_script += script_file[i];
} else
- abc_script += stringf("source %s", script_file.c_str());
+ abc9_script += stringf("source %s", script_file.c_str());
} else if (!lut_costs.empty() || !lut_file.empty()) {
//bool all_luts_cost_same = true;
//for (int this_cost : lut_costs)
// if (this_cost != lut_costs.front())
// all_luts_cost_same = false;
- abc_script += fast_mode ? ABC_FAST_COMMAND_LUT : ABC_COMMAND_LUT;
+ abc9_script += fast_mode ? ABC_FAST_COMMAND_LUT : ABC_COMMAND_LUT;
//if (all_luts_cost_same && !fast_mode)
- // abc_script += "; lutpack {S}";
+ // abc9_script += "; lutpack {S}";
} else
log_abort();
//if (script_file.empty() && !delay_target.empty())
- // for (size_t pos = abc_script.find("dretime;"); pos != std::string::npos; pos = abc_script.find("dretime;", pos+1))
- // abc_script = abc_script.substr(0, pos) + "dretime; retime -o {D};" + abc_script.substr(pos+8);
+ // for (size_t pos = abc9_script.find("dretime;"); pos != std::string::npos; pos = abc9_script.find("dretime;", pos+1))
+ // abc9_script = abc9_script.substr(0, pos) + "dretime; retime -o {D};" + abc9_script.substr(pos+8);
- for (size_t pos = abc_script.find("{D}"); pos != std::string::npos; pos = abc_script.find("{D}", pos))
- abc_script = abc_script.substr(0, pos) + delay_target + abc_script.substr(pos+3);
+ for (size_t pos = abc9_script.find("{D}"); pos != std::string::npos; pos = abc9_script.find("{D}", pos))
+ abc9_script = abc9_script.substr(0, pos) + delay_target + abc9_script.substr(pos+3);
- //for (size_t pos = abc_script.find("{S}"); pos != std::string::npos; pos = abc_script.find("{S}", pos))
- // abc_script = abc_script.substr(0, pos) + lutin_shared + abc_script.substr(pos+3);
+ //for (size_t pos = abc9_script.find("{S}"); pos != std::string::npos; pos = abc9_script.find("{S}", pos))
+ // abc9_script = abc9_script.substr(0, pos) + lutin_shared + abc9_script.substr(pos+3);
- for (size_t pos = abc_script.find("{W}"); pos != std::string::npos; pos = abc_script.find("{W}", pos))
- abc_script = abc_script.substr(0, pos) + wire_delay + abc_script.substr(pos+3);
+ for (size_t pos = abc9_script.find("{W}"); pos != std::string::npos; pos = abc9_script.find("{W}", pos))
+ abc9_script = abc9_script.substr(0, pos) + wire_delay + abc9_script.substr(pos+3);
- abc_script += stringf("; &write %s/output.aig", tempdir_name.c_str());
- abc_script = add_echos_to_abc_cmd(abc_script);
+ if (nomfs)
+ for (size_t pos = abc9_script.find("&mfs"); pos != std::string::npos; pos = abc9_script.find("&mfs", pos))
+ abc9_script = abc9_script.erase(pos, strlen("&mfs"));
- for (size_t i = 0; i+1 < abc_script.size(); i++)
- if (abc_script[i] == ';' && abc_script[i+1] == ' ')
- abc_script[i+1] = '\n';
+ abc9_script += stringf("; &write -n %s/output.aig", tempdir_name.c_str());
+ abc9_script = add_echos_to_abc9_cmd(abc9_script);
+
+ for (size_t i = 0; i+1 < abc9_script.size(); i++)
+ if (abc9_script[i] == ';' && abc9_script[i+1] == ' ')
+ abc9_script[i+1] = '\n';
FILE *f = fopen(stringf("%s/abc.script", tempdir_name.c_str()).c_str(), "wt");
- fprintf(f, "%s\n", abc_script.c_str());
+ fprintf(f, "%s\n", abc9_script.c_str());
fclose(f);
- bool count_output = false;
- for (auto port_name : module->ports) {
- RTLIL::Wire *port_wire = module->wire(port_name);
- log_assert(port_wire);
- if (port_wire->port_output) {
- count_output = true;
- break;
- }
- }
-
+ //bool count_output = false;
log_push();
- if (count_output)
+ //if (count_output)
{
handle_loops(design, module);
log_assert(!design->module(ID($__abc9__)));
{
AigerReader reader(design, ifs, ID($__abc9__), "" /* clk_name */, buffer.c_str() /* map_filename */, true /* wideports */);
- reader.parse_xaiger();
+ reader.parse_xaiger(box_lookup);
}
ifs.close();
- Pass::call(design, stringf("write_verilog -noexpr -norename"));
+ Pass::call_on_module(design, design->module(ID($__abc9__)), stringf("write_verilog -noexpr -norename -selected"));
design->remove(design->module(ID($__abc9__)));
#endif
- // Now 'unexpose' those wires by undoing
- // the expose operation -- remove them from PO/PI
- // and re-connecting them back together
- for (auto wire : module->wires()) {
- auto it = wire->attributes.find(ID(abc_scc_break));
- if (it != wire->attributes.end()) {
- wire->attributes.erase(it);
- log_assert(wire->port_output);
- wire->port_output = false;
- RTLIL::Wire *i_wire = module->wire(wire->name.str() + ".abci");
- log_assert(i_wire);
- log_assert(i_wire->port_input);
- i_wire->port_input = false;
- module->connect(i_wire, wire);
- }
- }
- module->fixup_ports();
-
log_header(design, "Executing ABC9.\n");
if (!lut_costs.empty()) {
log("Running ABC command: %s\n", replace_tempdir(buffer, tempdir_name, show_tempdir).c_str());
#ifndef YOSYS_LINK_ABC
- abc_output_filter filt(tempdir_name, show_tempdir);
- int ret = run_command(buffer, std::bind(&abc_output_filter::next_line, filt, std::placeholders::_1));
+ abc9_output_filter filt(tempdir_name, show_tempdir);
+ int ret = run_command(buffer, std::bind(&abc9_output_filter::next_line, filt, std::placeholders::_1));
#else
// These needs to be mutable, supposedly due to getopt
- char *abc_argv[5];
+ char *abc9_argv[5];
string tmp_script_name = stringf("%s/abc.script", tempdir_name.c_str());
- abc_argv[0] = strdup(exe_file.c_str());
- abc_argv[1] = strdup("-s");
- abc_argv[2] = strdup("-f");
- abc_argv[3] = strdup(tmp_script_name.c_str());
- abc_argv[4] = 0;
- int ret = Abc_RealMain(4, abc_argv);
- free(abc_argv[0]);
- free(abc_argv[1]);
- free(abc_argv[2]);
- free(abc_argv[3]);
+ abc9_argv[0] = strdup(exe_file.c_str());
+ abc9_argv[1] = strdup("-s");
+ abc9_argv[2] = strdup("-f");
+ abc9_argv[3] = strdup(tmp_script_name.c_str());
+ abc9_argv[4] = 0;
+ int ret = Abc_RealMain(4, abc9_argv);
+ free(abc9_argv[0]);
+ free(abc9_argv[1]);
+ free(abc9_argv[2]);
+ free(abc9_argv[3]);
#endif
if (ret != 0)
log_error("ABC: execution of command \"%s\" failed: return code %d.\n", buffer.c_str(), ret);
ifs.close();
#if 0
- Pass::call(design, stringf("write_verilog -noexpr -norename"));
+ Pass::call_on_module(design, design->module(ID($__abc9__)), stringf("write_verilog -noexpr -norename -selected"));
#endif
log_header(design, "Re-integrating ABC9 results.\n");
if (mapped_mod == NULL)
log_error("ABC output file does not contain a module `$__abc9__'.\n");
- pool<RTLIL::SigBit> output_bits;
for (auto &it : mapped_mod->wires_) {
RTLIL::Wire *w = it.second;
RTLIL::Wire *remap_wire = module->addWire(remap_name(w->name), GetSize(w));
if (markgroups) remap_wire->attributes[ID(abcgroup)] = map_autoidx;
- if (w->port_output) {
- RTLIL::Wire *wire = module->wire(w->name);
- log_assert(wire);
- for (int i = 0; i < GetSize(w); i++)
- output_bits.insert({wire, i});
- }
}
- for (auto &it : module->connections_) {
- auto &signal = it.first;
- auto bits = signal.bits();
- for (auto &b : bits)
- if (output_bits.count(b))
- b = module->addWire(NEW_ID);
- signal = std::move(bits);
- }
-
- dict<IdString, bool> abc_box;
+ dict<IdString, bool> abc9_box;
vector<RTLIL::Cell*> boxes;
for (auto cell : module->selected_cells()) {
- if (cell->type.in(ID($_AND_), ID($_NOT_), ID($__ABC_FF_))) {
+ if (cell->type.in(ID($_AND_), ID($_NOT_), ID($__ABC9_FF_))) {
module->remove(cell);
continue;
}
- auto jt = abc_box.find(cell->type);
- if (jt == abc_box.end()) {
+ auto jt = abc9_box.find(cell->type);
+ if (jt == abc9_box.end()) {
RTLIL::Module* box_module = design->module(cell->type);
- jt = abc_box.insert(std::make_pair(cell->type, box_module && box_module->attributes.count(ID(abc_box_id)))).first;
+ jt = abc9_box.insert(std::make_pair(cell->type, box_module && box_module->attributes.count(ID(abc9_box_id)))).first;
}
if (jt->second)
boxes.emplace_back(cell);
cell_stats[mapped_cell->type]++;
RTLIL::Cell *existing_cell = nullptr;
- if (mapped_cell->type.in(ID($lut), ID($__ABC_FF_))) {
+ if (mapped_cell->type.in(ID($lut), ID($__ABC9_FF_))) {
if (mapped_cell->type == ID($lut) &&
GetSize(mapped_cell->getPort(ID::A)) == 1 &&
mapped_cell->getParam(ID(LUT)) == RTLIL::Const::from_string("01")) {
}
RTLIL::Module* box_module = design->module(mapped_cell->type);
- auto abc_flop = box_module && box_module->attributes.count("\\abc9_flop");
+ auto abc9_flop = box_module && box_module->attributes.count("\\abc9_flop");
for (auto &conn : mapped_cell->connections()) {
RTLIL::SigSpec newsig;
for (auto c : conn.second.chunks()) {
}
cell->setPort(conn.first, newsig);
- if (!abc_flop) {
+ if (!abc9_flop) {
if (cell->input(conn.first)) {
for (auto i : newsig)
bit2sinks[i].push_back(cell);
if (!conn.second.is_wire())
continue;
Wire *wire = conn.second.as_wire();
- if (!wire->get_bool_attribute(ID(abc_padding)))
+ if (!wire->get_bool_attribute(ID(abc9_padding)))
continue;
cell->unsetPort(conn.first);
log_debug("Dropping padded port connection for %s (%s) .%s (%s )\n", log_id(cell), cell->type.c_str(), log_id(conn.first), log_signal(conn.second));
}
}
+ // Now 'unexpose' those wires by undoing
+ // the expose operation -- remove them from PO/PI
+ // and re-connecting them back together
+ for (auto wire : module->wires()) {
+ auto it = wire->attributes.find(ID(abc9_scc_break));
+ if (it != wire->attributes.end()) {
+ wire->attributes.erase(it);
+ log_assert(wire->port_output);
+ wire->port_output = false;
+ std::string name = wire->name.str();
+ RTLIL::Wire *i_wire = module->wire(name.substr(0, GetSize(name) - 5));
+ log_assert(i_wire);
+ log_assert(i_wire->port_input);
+ i_wire->port_input = false;
+ module->connect(i_wire, wire);
+ }
+ }
+ module->fixup_ports();
+
//log("ABC RESULTS: internal signals: %8d\n", int(signal_list.size()) - in_wires - out_wires);
log("ABC RESULTS: input signals: %8d\n", in_wires);
log("ABC RESULTS: output signals: %8d\n", out_wires);
design->remove(mapped_mod);
}
- else
- {
- log("Don't call ABC as there is nothing to map.\n");
- }
+ //else
+ //{
+ // log("Don't call ABC as there is nothing to map.\n");
+ //}
if (cleanup)
{
log(" if no -script parameter is given, the following scripts are used:\n");
log("\n");
log(" for -lut/-luts (only one LUT size):\n");
- log("%s\n", fold_abc_cmd(ABC_COMMAND_LUT /*"; lutpack {S}"*/).c_str());
+ log("%s\n", fold_abc9_cmd(ABC_COMMAND_LUT /*"; lutpack {S}"*/).c_str());
log("\n");
log(" for -lut/-luts (different LUT sizes):\n");
- log("%s\n", fold_abc_cmd(ABC_COMMAND_LUT).c_str());
+ log("%s\n", fold_abc9_cmd(ABC_COMMAND_LUT).c_str());
log("\n");
log(" -fast\n");
log(" use different default scripts that are slightly faster (at the cost\n");
log(" of output quality):\n");
log("\n");
log(" for -lut/-luts:\n");
- log("%s\n", fold_abc_cmd(ABC_FAST_COMMAND_LUT).c_str());
+ log("%s\n", fold_abc9_cmd(ABC_FAST_COMMAND_LUT).c_str());
log("\n");
log(" -D <picoseconds>\n");
log(" set delay target. the string {D} in the default scripts above is\n");
log("internally. This is not going to \"run ABC on your design\". It will instead run\n");
log("ABC on logic snippets extracted from your design. You will not get any useful\n");
log("output when passing an ABC script that writes a file. Instead write your full\n");
- log("design as BLIF file with write_blif and then load that into ABC externally if\n");
- log("you want to use ABC to convert your design into another format.\n");
+ log("design as an XAIGER file with write_xaiger and then load that into ABC externally\n");
+ log("if you want to use ABC to convert your design into another format.\n");
+ log("\n");
+ // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
+ log("Delay targets can also be specified on a per clock basis by attaching a\n");
+ log("'(* abc9_period = <int> *)' attribute onto clock wires (specifically, onto wires\n");
+ log("that appear inside any special '$abc9_clock' wires inserted by abc9_map.v). This\n");
+ log("can be achieved by modifying the source directly, or through a `setattr`\n");
+ log("invocation. Since such attributes cannot yet be propagated through a\n");
+ log("hierarchical design (whether or not it has been uniquified) it is recommended\n");
+ log("that the design be flattened when using this feature.\n");
log("\n");
log("[1] http://www.eecs.berkeley.edu/~alanmi/abc/\n");
log("\n");
std::string delay_target, lutin_shared = "-S 1", wire_delay;
bool fast_mode = false, /*dff_mode = false,*/ keepff = false, cleanup = true;
bool show_tempdir = false;
+ bool nomfs = false;
vector<int> lut_costs;
markgroups = false;
//}
if (arg == "-lut" && argidx+1 < args.size()) {
string arg = args[++argidx];
- size_t pos = arg.find_first_of(':');
- int lut_mode = 0, lut_mode2 = 0;
- if (pos != string::npos) {
- lut_mode = atoi(arg.substr(0, pos).c_str());
- lut_mode2 = atoi(arg.substr(pos+1).c_str());
- } else {
- pos = arg.find_first_of('.');
+ if (arg.find_first_not_of("0123456789:") == std::string::npos) {
+ size_t pos = arg.find_first_of(':');
+ int lut_mode = 0, lut_mode2 = 0;
if (pos != string::npos) {
- lut_file = arg;
- rewrite_filename(lut_file);
- if (!lut_file.empty() && !is_absolute_path(lut_file))
- lut_file = std::string(pwd) + "/" + lut_file;
- }
- else {
+ lut_mode = atoi(arg.substr(0, pos).c_str());
+ lut_mode2 = atoi(arg.substr(pos+1).c_str());
+ } else {
lut_mode = atoi(arg.c_str());
lut_mode2 = lut_mode;
}
+ lut_costs.clear();
+ for (int i = 0; i < lut_mode; i++)
+ lut_costs.push_back(1);
+ for (int i = lut_mode; i < lut_mode2; i++)
+ lut_costs.push_back(2 << (i - lut_mode));
+ }
+ else {
+ lut_file = arg;
+ rewrite_filename(lut_file);
+ if (!lut_file.empty() && !is_absolute_path(lut_file) && lut_file[0] != '+')
+ lut_file = std::string(pwd) + "/" + lut_file;
}
- lut_costs.clear();
- for (int i = 0; i < lut_mode; i++)
- lut_costs.push_back(1);
- for (int i = lut_mode; i < lut_mode2; i++)
- lut_costs.push_back(2 << (i - lut_mode));
continue;
}
if (arg == "-luts" && argidx+1 < args.size()) {
wire_delay = "-W " + args[++argidx];
continue;
}
+ if (arg == "-nomfs") {
+ nomfs = true;
+ continue;
+ }
break;
}
extra_args(args, argidx, design);
box_file = "+/dummy.box";
rewrite_filename(box_file);
- if (!box_file.empty() && !is_absolute_path(box_file))
+ if (!box_file.empty() && !is_absolute_path(box_file) && box_file[0] != '+')
box_file = std::string(pwd) + "/" + box_file;
dict<int,IdString> box_lookup;
for (auto m : design->modules()) {
- auto it = m->attributes.find(ID(abc_box_id));
+ auto it = m->attributes.find(ID(abc9_box_id));
if (it == m->attributes.end())
continue;
if (m->name.begins_with("$paramod"))
auto id = it->second.as_int();
auto r = box_lookup.insert(std::make_pair(id, m->name));
if (!r.second)
- log_error("Module '%s' has the same abc_box_id = %d value as '%s'.\n",
+ log_error("Module '%s' has the same abc9_box_id = %d value as '%s'.\n",
log_id(m), id, log_id(r.first->second));
log_assert(r.second);
for (auto p : m->ports) {
auto w = m->wire(p);
log_assert(w);
- if (w->attributes.count(ID(abc_carry))) {
+ if (w->attributes.count(ID(abc9_carry))) {
if (w->port_input) {
if (carry_in)
- log_error("Module '%s' contains more than one 'abc_carry' input port.\n", log_id(m));
+ log_error("Module '%s' contains more than one 'abc9_carry' input port.\n", log_id(m));
carry_in = w;
}
else if (w->port_output) {
if (carry_out)
- log_error("Module '%s' contains more than one 'abc_carry' input port.\n", log_id(m));
+ log_error("Module '%s' contains more than one 'abc9_carry' input port.\n", log_id(m));
carry_out = w;
}
}
}
if (carry_in || carry_out) {
if (carry_in && !carry_out)
- log_error("Module '%s' contains an 'abc_carry' input port but no output port.\n", log_id(m));
+ log_error("Module '%s' contains an 'abc9_carry' input port but no output port.\n", log_id(m));
if (!carry_in && carry_out)
- log_error("Module '%s' contains an 'abc_carry' output port but no input port.\n", log_id(m));
+ log_error("Module '%s' contains an 'abc9_carry' output port but no input port.\n", log_id(m));
// Make carry_in the last PI, and carry_out the last PO
// since ABC requires it this way
auto &ports = m->ports;
}
}
+ SigMap assign_map;
+ CellTypes ct(design);
for (auto module : design->selected_modules())
{
- if (module->attributes.count(ID(abc_box_id)))
+ if (module->attributes.count(ID(abc9_box_id)))
continue;
if (module->processes.size() > 0) {
continue;
}
- SigMap assign_map(module);
-
- CellTypes ct(design);
+ assign_map.set(module);
std::vector<RTLIL::Cell*> all_cells = module->selected_cells();
- std::set<RTLIL::Cell*> unassigned_cells(all_cells.begin(), all_cells.end());
+ pool<RTLIL::Cell*> unassigned_cells(all_cells.begin(), all_cells.end());
- std::set<RTLIL::Cell*> expand_queue, next_expand_queue;
- std::set<RTLIL::Cell*> expand_queue_up, next_expand_queue_up;
- std::set<RTLIL::Cell*> expand_queue_down, next_expand_queue_down;
+ pool<RTLIL::Cell*> expand_queue, next_expand_queue;
+ pool<RTLIL::Cell*> expand_queue_up, next_expand_queue_up;
+ pool<RTLIL::Cell*> expand_queue_down, next_expand_queue_down;
- std::map<SigSpec, pool<RTLIL::IdString>> assigned_cells;
- std::map<RTLIL::Cell*, SigSpec> assigned_cells_reverse;
+ typedef SigSpec clkdomain_t;
+ std::map<clkdomain_t, pool<RTLIL::IdString>> assigned_cells;
+ std::map<RTLIL::Cell*, clkdomain_t> assigned_cells_reverse;
- std::map<RTLIL::Cell*, std::set<RTLIL::SigBit>> cell_to_bit, cell_to_bit_up, cell_to_bit_down;
- std::map<RTLIL::SigBit, std::set<RTLIL::Cell*>> bit_to_cell, bit_to_cell_up, bit_to_cell_down;
+ std::map<RTLIL::Cell*, pool<RTLIL::SigBit>> cell_to_bit, cell_to_bit_up, cell_to_bit_down;
+ std::map<RTLIL::SigBit, pool<RTLIL::Cell*>> bit_to_cell, bit_to_cell_up, bit_to_cell_down;
- typedef std::pair<IdString, SigSpec> endomain_t;
- std::map<endomain_t, int> mergeability_class;
-
- for (auto cell : all_cells) {
+ for (auto cell : all_cells)
for (auto &conn : cell->connections())
for (auto bit : assign_map(conn.second))
if (bit.wire != nullptr) {
}
}
+ for (auto cell : all_cells) {
auto inst_module = design->module(cell->type);
if (!inst_module || !inst_module->attributes.count("\\abc9_flop"))
continue;
- auto derived_name = inst_module->derive(design, cell->parameters);
- auto derived_module = design->module(derived_name);
- log_assert(derived_module);
- if (derived_module->has_processes())
- Pass::call_on_module(design, derived_module, "proc");
- SigMap derived_sigmap(derived_module);
-
- SigSpec pattern;
- SigSpec with;
- for (auto &conn : cell->connections()) {
- Wire *first = derived_module->wire(conn.first);
- log_assert(first);
- SigSpec second = assign_map(conn.second);
- log_assert(GetSize(first) == GetSize(second));
- pattern.append(first);
- with.append(second);
- }
-
- Wire *abc9_clock_wire = derived_module->wire("\\$abc9_clock");
+ Wire *abc9_clock_wire = module->wire(stringf("%s.$abc9_clock", cell->name.c_str()));
if (abc9_clock_wire == NULL)
- log_error("'\\$abc9_clock' is not a wire present in module '%s'.\n", log_id(cell->type));
- SigSpec abc9_clock = derived_sigmap(abc9_clock_wire);
- abc9_clock.replace(pattern, with);
- for (const auto &c : abc9_clock.chunks())
- log_assert(!c.wire || c.wire->module == module);
-
- Wire *abc9_control_wire = derived_module->wire("\\$abc9_control");
- if (abc9_control_wire == NULL)
- log_error("'\\$abc9_control' is not a wire present in module '%s'.\n", log_id(cell->type));
- SigSpec abc9_control = derived_sigmap(abc9_control_wire);
- abc9_control.replace(pattern, with);
- for (const auto &c : abc9_control.chunks())
- log_assert(!c.wire || c.wire->module == module);
+ log_error("'%s$abc9_clock' is not a wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
+ SigSpec abc9_clock = assign_map(abc9_clock_wire);
unassigned_cells.erase(cell);
- expand_queue.insert(cell);
expand_queue_up.insert(cell);
- expand_queue_down.insert(cell);
+ clkdomain_t key(abc9_clock);
+ assigned_cells[key].insert(cell->name);
+ assigned_cells_reverse[cell] = key;
- assigned_cells[abc9_clock].insert(cell->name);
- assigned_cells_reverse[cell] = abc9_clock;
+ auto YS_ATTRIBUTE(unused) r2 = cell->attributes.insert(std::make_pair(ID(abc9_mergeability), 1));
+ log_assert(r2.second);
- endomain_t key(cell->type, abc9_control);
- auto r = mergeability_class.emplace(key, mergeability_class.size() + 1);
- auto YS_ATTRIBUTE(unused) r2 = cell->attributes.insert(std::make_pair(ID(abc9_mergeability), r.first->second));
+ Wire *abc9_init_wire = module->wire(stringf("%s.$abc9_init", cell->name.c_str()));
+ if (abc9_init_wire == NULL)
+ log_error("'%s.$abc9_init' is not a wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
+ log_assert(GetSize(abc9_init_wire) == 1);
+ SigSpec abc9_init = assign_map(abc9_init_wire);
+ if (!abc9_init.is_fully_const())
+ log_error("'%s.$abc9_init' is not a constant wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
+ r2 = cell->attributes.insert(std::make_pair(ID(abc9_init), abc9_init.as_const()));
log_assert(r2.second);
+
+ // Also assign these special ABC9 cells to the
+ // same clock domain
+ for (auto b : cell_to_bit_down[cell])
+ for (auto c : bit_to_cell_down[b])
+ if (c->type == "$__ABC9_FF_") {
+ cell = c;
+ unassigned_cells.erase(cell);
+ assigned_cells[key].insert(cell->name);
+ assigned_cells_reverse[cell] = key;
+ break;
+ }
+ for (auto b : cell_to_bit_down[cell])
+ for (auto c : bit_to_cell_down[b])
+ if (c->type == "$__ABC9_ASYNC") {
+ cell = c;
+ unassigned_cells.erase(cell);
+ assigned_cells[key].insert(cell->name);
+ assigned_cells_reverse[cell] = key;
+ break;
+ }
+
+ expand_queue.insert(cell);
+ expand_queue_down.insert(cell);
}
while (!expand_queue_up.empty() || !expand_queue_down.empty())
if (!expand_queue_up.empty())
{
RTLIL::Cell *cell = *expand_queue_up.begin();
- SigSpec key = assigned_cells_reverse.at(cell);
+ auto key = assigned_cells_reverse.at(cell);
expand_queue_up.erase(cell);
for (auto bit : cell_to_bit_up[cell])
if (!expand_queue_down.empty())
{
RTLIL::Cell *cell = *expand_queue_down.begin();
- SigSpec key = assigned_cells_reverse.at(cell);
+ auto key = assigned_cells_reverse.at(cell);
expand_queue_down.erase(cell);
for (auto bit : cell_to_bit_down[cell])
while (!expand_queue.empty())
{
RTLIL::Cell *cell = *expand_queue.begin();
- SigSpec key = assigned_cells_reverse.at(cell);
+ auto key = assigned_cells_reverse.at(cell);
expand_queue.erase(cell);
for (auto bit : cell_to_bit.at(cell)) {
expand_queue.swap(next_expand_queue);
}
- SigSpec key;
+ clkdomain_t key;
for (auto cell : unassigned_cells) {
assigned_cells[key].insert(cell->name);
assigned_cells_reverse[cell] = key;
design->selection_stack.emplace_back(false);
design->selected_active_module = module->name.str();
for (auto &it : assigned_cells) {
+ std::string target = delay_target;
+ if (target.empty()) {
+ for (auto b : assign_map(it.first))
+ if (b.wire) {
+ auto jt = b.wire->attributes.find("\\abc9_period");
+ if (jt != b.wire->attributes.end()) {
+ target = stringf("-D %d", jt->second.as_int());
+ log("Target period = %s ps for clock domain %s\n", target.c_str(), log_signal(it.first));
+ break;
+ }
+ }
+ }
RTLIL::Selection& sel = design->selection_stack.back();
sel.selected_members[module->name] = std::move(it.second);
abc9_module(design, module, script_file, exe_file, cleanup, lut_costs, false, "$",
- keepff, delay_target, lutin_shared, fast_mode, show_tempdir,
- box_file, lut_file, wire_delay, box_lookup);
+ keepff, target, lutin_shared, fast_mode, show_tempdir,
+ box_file, lut_file, wire_delay, box_lookup, nomfs);
+ assign_map.set(module);
}
design->selection_stack.pop_back();
design->selected_active_module.clear();