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-rw-r--r--passes/techmap/abc9.cc401
1 files changed, 182 insertions, 219 deletions
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 8932e860a..6c8527811 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -65,27 +65,22 @@ PRIVATE_NAMESPACE_BEGIN
bool markgroups;
int map_autoidx;
-SigMap assign_map;
-RTLIL::Module *module;
-bool clk_polarity, en_polarity;
-RTLIL::SigSpec clk_sig, en_sig;
-
-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)
+void handle_loops(RTLIL::Design *design, RTLIL::Module *module)
{
- Pass::call(design, "scc -set_attr abc_scc_id {}");
+ 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) {
@@ -105,7 +100,7 @@ void handle_loops(RTLIL::Design *design)
log_assert(w->port_input);
log_assert(b.offset < GetSize(w));
}
- w->set_bool_attribute(ID(abc_scc_break));
+ w->set_bool_attribute(ID(abc9_scc_break));
module->swap_names(b.wire, w);
c.second = RTLIL::SigBit(w, b.offset);
}
@@ -118,7 +113,7 @@ void handle_loops(RTLIL::Design *design)
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++) {
@@ -140,7 +135,7 @@ std::string add_echos_to_abc_cmd(std::string str)
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;
@@ -184,7 +179,7 @@ std::string replace_tempdir(std::string text, std::string tempdir_name, bool sho
return text;
}
-struct abc_output_filter
+struct abc9_output_filter
{
bool got_cr;
int escape_seq_state;
@@ -192,7 +187,7 @@ struct abc_output_filter
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;
@@ -243,49 +238,15 @@ struct abc_output_filter
}
};
-void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file,
- bool cleanup, vector<int> lut_costs, bool dff_mode, std::string clk_str,
+void abc9_module(RTLIL::Design *design, RTLIL::Module *module, std::string script_file, std::string exe_file,
+ 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, bool nomfs
)
{
- module = current_module;
map_autoidx = autoidx++;
- if (clk_str != "$")
- {
- clk_polarity = true;
- clk_sig = RTLIL::SigSpec();
-
- en_polarity = true;
- en_sig = RTLIL::SigSpec();
- }
-
- if (!clk_str.empty() && clk_str != "$")
- {
- if (clk_str.find(',') != std::string::npos) {
- int pos = clk_str.find(',');
- std::string en_str = clk_str.substr(pos+1);
- clk_str = clk_str.substr(0, pos);
- if (en_str[0] == '!') {
- en_polarity = false;
- en_str = en_str.substr(1);
- }
- if (module->wires_.count(RTLIL::escape_id(en_str)) != 0)
- en_sig = assign_map(RTLIL::SigSpec(module->wires_.at(RTLIL::escape_id(en_str)), 0));
- }
- if (clk_str[0] == '!') {
- clk_polarity = false;
- clk_str = clk_str.substr(1);
- }
- if (module->wires_.count(RTLIL::escape_id(clk_str)) != 0)
- clk_sig = assign_map(RTLIL::SigSpec(module->wires_.at(RTLIL::escape_id(clk_str)), 0));
- }
-
- if (dff_mode && clk_sig.empty())
- log_cmd_error("Clock domain %s not found.\n", clk_str.c_str());
-
std::string tempdir_name = "/tmp/yosys-abc-XXXXXX";
if (!cleanup)
tempdir_name[0] = tempdir_name[4] = '_';
@@ -293,87 +254,74 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
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);
if (nomfs)
- for (size_t pos = abc_script.find("&mfs"); pos != std::string::npos; pos = abc_script.find("&mfs", pos))
- abc_script = abc_script.erase(pos, strlen("&mfs"));
-
+ 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"));
- abc_script += stringf("; &write %s/output.aig", tempdir_name.c_str());
- abc_script = add_echos_to_abc_cmd(abc_script);
+ abc9_script += stringf("; &write %s/output.aig", tempdir_name.c_str());
+ abc9_script = add_echos_to_abc9_cmd(abc9_script);
- for (size_t i = 0; i+1 < abc_script.size(); i++)
- if (abc_script[i] == ';' && abc_script[i+1] == ' ')
- abc_script[i+1] = '\n';
+ 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);
- if (dff_mode || !clk_str.empty())
- {
- if (clk_sig.size() == 0)
- log("No%s clock domain found. Not extracting any FF cells.\n", clk_str.empty() ? "" : " matching");
- else {
- log("Found%s %s clock domain: %s", clk_str.empty() ? "" : " matching", clk_polarity ? "posedge" : "negedge", log_signal(clk_sig));
- if (en_sig.size() != 0)
- log(", enabled by %s%s", en_polarity ? "" : "!", log_signal(en_sig));
- log("\n");
- }
- }
-
bool count_output = false;
for (auto port_name : module->ports) {
RTLIL::Wire *port_wire = module->wire(port_name);
@@ -388,13 +336,9 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
if (count_output)
{
- design->selection_stack.emplace_back(false);
- RTLIL::Selection& sel = design->selection_stack.back();
- sel.select(module);
-
- handle_loops(design);
+ handle_loops(design, module);
- Pass::call(design, "aigmap");
+ Pass::call(design, "aigmap -select");
//log("Extracted %d gates and %d wires to a netlist network with %d inputs and %d outputs.\n",
// count_gates, GetSize(signal_list), count_input, count_output);
@@ -419,13 +363,11 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
design->remove(design->module(ID($__abc9__)));
#endif
- design->selection_stack.pop_back();
-
// 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));
+ auto it = wire->attributes.find(ID(abc9_scc_break));
if (it != wire->attributes.end()) {
wire->attributes.erase(it);
log_assert(wire->port_output);
@@ -455,22 +397,22 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
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);
@@ -518,18 +460,17 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
signal = std::move(bits);
}
- dict<IdString, bool> abc_box;
+ dict<IdString, bool> abc9_box;
vector<RTLIL::Cell*> boxes;
- for (const auto &it : module->cells_) {
- auto cell = it.second;
- if (cell->type.in(ID($_AND_), ID($_NOT_))) {
+ for (auto cell : module->selected_cells()) {
+ if (cell->type.in(ID($_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);
@@ -541,19 +482,19 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
dict<SigBit, std::vector<RTLIL::Cell*>> bit2sinks;
std::map<IdString, int> cell_stats;
- for (auto c : mapped_mod->cells())
+ for (auto mapped_cell : mapped_mod->cells())
{
- toposort.node(c->name);
+ toposort.node(mapped_cell->name);
RTLIL::Cell *cell = nullptr;
- if (c->type == ID($_NOT_)) {
- RTLIL::SigBit a_bit = c->getPort(ID::A);
- RTLIL::SigBit y_bit = c->getPort(ID::Y);
- bit_users[a_bit].insert(c->name);
- bit_drivers[y_bit].insert(c->name);
+ if (mapped_cell->type == ID($_NOT_)) {
+ RTLIL::SigBit a_bit = mapped_cell->getPort(ID::A);
+ RTLIL::SigBit y_bit = mapped_cell->getPort(ID::Y);
+ bit_users[a_bit].insert(mapped_cell->name);
+ bit_drivers[y_bit].insert(mapped_cell->name);
if (!a_bit.wire) {
- c->setPort(ID::Y, module->addWire(NEW_ID));
+ mapped_cell->setPort(ID::Y, module->addWire(NEW_ID));
RTLIL::Wire *wire = module->wire(remap_name(y_bit.wire->name));
log_assert(wire);
module->connect(RTLIL::SigBit(wire, y_bit.offset), State::S1);
@@ -577,7 +518,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
if (!driver_lut) {
// If a driver couldn't be found (could be from PI or box CI)
// then implement using a LUT
- cell = module->addLut(remap_name(stringf("%s$lut", c->name.c_str())),
+ cell = module->addLut(remap_name(stringf("%s$lut", mapped_cell->name.c_str())),
RTLIL::SigBit(module->wires_.at(remap_name(a_bit.wire->name)), a_bit.offset),
RTLIL::SigBit(module->wires_.at(remap_name(y_bit.wire->name)), y_bit.offset),
RTLIL::Const::from_string("01"));
@@ -585,7 +526,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
cell_stats[ID($lut)]++;
}
else
- not2drivers[c] = driver_lut;
+ not2drivers[mapped_cell] = driver_lut;
continue;
}
else
@@ -593,24 +534,26 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
if (cell && markgroups) cell->attributes[ID(abcgroup)] = map_autoidx;
continue;
}
- cell_stats[c->type]++;
+ cell_stats[mapped_cell->type]++;
RTLIL::Cell *existing_cell = nullptr;
- if (c->type == ID($lut)) {
- if (GetSize(c->getPort(ID::A)) == 1 && c->getParam(ID(LUT)) == RTLIL::Const::from_string("01")) {
- SigSpec my_a = module->wires_.at(remap_name(c->getPort(ID::A).as_wire()->name));
- SigSpec my_y = module->wires_.at(remap_name(c->getPort(ID::Y).as_wire()->name));
+ 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")) {
+ SigSpec my_a = module->wires_.at(remap_name(mapped_cell->getPort(ID::A).as_wire()->name));
+ SigSpec my_y = module->wires_.at(remap_name(mapped_cell->getPort(ID::Y).as_wire()->name));
module->connect(my_y, my_a);
- if (markgroups) c->attributes[ID(abcgroup)] = map_autoidx;
+ if (markgroups) mapped_cell->attributes[ID(abcgroup)] = map_autoidx;
log_abort();
continue;
}
- cell = module->addCell(remap_name(c->name), c->type);
+ cell = module->addCell(remap_name(mapped_cell->name), mapped_cell->type);
}
else {
- existing_cell = module->cell(c->name);
+ existing_cell = module->cell(mapped_cell->name);
log_assert(existing_cell);
- cell = module->addCell(remap_name(c->name), c->type);
+ cell = module->addCell(remap_name(mapped_cell->name), mapped_cell->type);
}
if (markgroups) cell->attributes[ID(abcgroup)] = map_autoidx;
@@ -619,10 +562,13 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
cell->attributes = existing_cell->attributes;
}
else {
- cell->parameters = c->parameters;
- cell->attributes = c->attributes;
+ cell->parameters = mapped_cell->parameters;
+ cell->attributes = mapped_cell->attributes;
}
- for (auto &conn : c->connections()) {
+
+ RTLIL::Module* box_module = design->module(mapped_cell->type);
+ 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()) {
if (c.width == 0)
@@ -634,15 +580,17 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
}
cell->setPort(conn.first, newsig);
- if (cell->input(conn.first)) {
- for (auto i : newsig)
- bit2sinks[i].push_back(cell);
- for (auto i : conn.second)
- bit_users[i].insert(c->name);
+ if (!abc9_flop) {
+ if (cell->input(conn.first)) {
+ for (auto i : newsig)
+ bit2sinks[i].push_back(cell);
+ for (auto i : conn.second)
+ bit_users[i].insert(mapped_cell->name);
+ }
+ if (cell->output(conn.first))
+ for (auto i : conn.second)
+ bit_drivers[i].insert(mapped_cell->name);
}
- if (cell->output(conn.first))
- for (auto i : conn.second)
- bit_drivers[i].insert(c->name);
}
}
@@ -653,7 +601,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
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));
@@ -832,17 +780,17 @@ struct Abc9Pass : public Pass {
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");
@@ -915,8 +863,6 @@ struct Abc9Pass : public Pass {
log_header(design, "Executing ABC9 pass (technology mapping using ABC9).\n");
log_push();
- assign_map.clear();
-
#ifdef ABCEXTERNAL
std::string exe_file = ABCEXTERNAL;
#else
@@ -924,7 +870,7 @@ struct Abc9Pass : public Pass {
#endif
std::string script_file, clk_str, box_file, lut_file;
std::string delay_target, lutin_shared = "-S 1", wire_delay;
- bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true;
+ bool fast_mode = false, /*dff_mode = false,*/ keepff = false, cleanup = true;
bool show_tempdir = false;
bool nomfs = false;
vector<int> lut_costs;
@@ -1067,7 +1013,7 @@ struct Abc9Pass : public Pass {
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"))
@@ -1075,7 +1021,7 @@ struct Abc9Pass : public Pass {
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);
@@ -1083,24 +1029,24 @@ struct Abc9Pass : public Pass {
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;
@@ -1126,48 +1072,39 @@ struct Abc9Pass : public Pass {
}
}
- for (auto mod : design->selected_modules())
+ for (auto module : design->selected_modules())
{
- if (mod->attributes.count(ID(abc_box_id)))
+ if (module->attributes.count(ID(abc9_box_id)))
continue;
- if (mod->processes.size() > 0) {
- log("Skipping module %s as it contains processes.\n", log_id(mod));
+ if (module->processes.size() > 0) {
+ log("Skipping module %s as it contains processes.\n", log_id(module));
continue;
}
- assign_map.set(mod);
-
- if (!dff_mode || !clk_str.empty()) {
- abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, dff_mode, clk_str, keepff,
- delay_target, lutin_shared, fast_mode, show_tempdir,
- box_file, lut_file, wire_delay, box_lookup, nomfs);
- continue;
- }
+ SigMap assign_map(module);
CellTypes ct(design);
- std::vector<RTLIL::Cell*> all_cells = mod->selected_cells();
+ std::vector<RTLIL::Cell*> all_cells = module->selected_cells();
std::set<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;
- typedef tuple<bool, RTLIL::SigSpec, bool, RTLIL::SigSpec> clkdomain_t;
- std::map<clkdomain_t, std::vector<RTLIL::Cell*>> assigned_cells;
- std::map<RTLIL::Cell*, clkdomain_t> assigned_cells_reverse;
+ std::map<SigSpec, pool<RTLIL::IdString>> assigned_cells;
+ std::map<RTLIL::Cell*, SigSpec> 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;
- for (auto cell : all_cells)
- {
- clkdomain_t key;
+ typedef std::pair<IdString, SigSpec> endomain_t;
+ std::map<endomain_t, int> mergeability_class;
+ for (auto cell : all_cells) {
for (auto &conn : cell->connections())
- for (auto bit : conn.second) {
- bit = assign_map(bit);
+ for (auto bit : assign_map(conn.second))
if (bit.wire != nullptr) {
cell_to_bit[cell].insert(bit);
bit_to_cell[bit].insert(cell);
@@ -1180,29 +1117,57 @@ struct Abc9Pass : public Pass {
bit_to_cell_up[bit].insert(cell);
}
}
- }
- if (cell->type.in(ID($_DFF_N_), ID($_DFF_P_)))
- {
- key = clkdomain_t(cell->type == ID($_DFF_P_), assign_map(cell->getPort(ID(C))), true, RTLIL::SigSpec());
- }
- else
- if (cell->type.in(ID($_DFFE_NN_), ID($_DFFE_NP_), ID($_DFFE_PN_), ID($_DFFE_PP_)))
- {
- bool this_clk_pol = cell->type.in(ID($_DFFE_PN_), ID($_DFFE_PP_));
- bool this_en_pol = cell->type.in(ID($_DFFE_NP_), ID($_DFFE_PP_));
- key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(ID(C))), this_en_pol, assign_map(cell->getPort(ID(E))));
- }
- else
+ auto inst_module = design->module(cell->type);
+ if (!inst_module || !inst_module->attributes.count("\\abc9_flop"))
continue;
+ auto derived_name = inst_module->derive(design, cell->parameters);
+ auto derived_module = design->module(derived_name);
+ log_assert(derived_module);
+ if (derived_module->has_processes())
+ Pass::call_on_module(design, derived_module, "proc");
+ SigMap derived_sigmap(derived_module);
+
+ SigSpec pattern;
+ SigSpec with;
+ for (auto &conn : cell->connections()) {
+ Wire *first = derived_module->wire(conn.first);
+ log_assert(first);
+ SigSpec second = assign_map(conn.second);
+ log_assert(GetSize(first) == GetSize(second));
+ pattern.append(first);
+ with.append(second);
+ }
+
+ Wire *abc9_clock_wire = derived_module->wire("\\$abc9_clock");
+ 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);
+
unassigned_cells.erase(cell);
expand_queue.insert(cell);
expand_queue_up.insert(cell);
expand_queue_down.insert(cell);
- assigned_cells[key].push_back(cell);
- assigned_cells_reverse[cell] = key;
+ assigned_cells[abc9_clock].insert(cell->name);
+ assigned_cells_reverse[cell] = abc9_clock;
+
+ 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));
+ log_assert(r2.second);
}
while (!expand_queue_up.empty() || !expand_queue_down.empty())
@@ -1210,7 +1175,7 @@ struct Abc9Pass : public Pass {
if (!expand_queue_up.empty())
{
RTLIL::Cell *cell = *expand_queue_up.begin();
- clkdomain_t key = assigned_cells_reverse.at(cell);
+ SigSpec key = assigned_cells_reverse.at(cell);
expand_queue_up.erase(cell);
for (auto bit : cell_to_bit_up[cell])
@@ -1218,7 +1183,7 @@ struct Abc9Pass : public Pass {
if (unassigned_cells.count(c)) {
unassigned_cells.erase(c);
next_expand_queue_up.insert(c);
- assigned_cells[key].push_back(c);
+ assigned_cells[key].insert(c->name);
assigned_cells_reverse[c] = key;
expand_queue.insert(c);
}
@@ -1227,7 +1192,7 @@ struct Abc9Pass : public Pass {
if (!expand_queue_down.empty())
{
RTLIL::Cell *cell = *expand_queue_down.begin();
- clkdomain_t key = assigned_cells_reverse.at(cell);
+ SigSpec key = assigned_cells_reverse.at(cell);
expand_queue_down.erase(cell);
for (auto bit : cell_to_bit_down[cell])
@@ -1235,7 +1200,7 @@ struct Abc9Pass : public Pass {
if (unassigned_cells.count(c)) {
unassigned_cells.erase(c);
next_expand_queue_up.insert(c);
- assigned_cells[key].push_back(c);
+ assigned_cells[key].insert(c->name);
assigned_cells_reverse[c] = key;
expand_queue.insert(c);
}
@@ -1250,7 +1215,7 @@ struct Abc9Pass : public Pass {
while (!expand_queue.empty())
{
RTLIL::Cell *cell = *expand_queue.begin();
- clkdomain_t key = assigned_cells_reverse.at(cell);
+ SigSpec key = assigned_cells_reverse.at(cell);
expand_queue.erase(cell);
for (auto bit : cell_to_bit.at(cell)) {
@@ -1258,7 +1223,7 @@ struct Abc9Pass : public Pass {
if (unassigned_cells.count(c)) {
unassigned_cells.erase(c);
next_expand_queue.insert(c);
- assigned_cells[key].push_back(c);
+ assigned_cells[key].insert(c->name);
assigned_cells_reverse[c] = key;
}
bit_to_cell[bit].clear();
@@ -1268,32 +1233,30 @@ struct Abc9Pass : public Pass {
expand_queue.swap(next_expand_queue);
}
- clkdomain_t key(true, RTLIL::SigSpec(), true, RTLIL::SigSpec());
+ SigSpec key;
for (auto cell : unassigned_cells) {
- assigned_cells[key].push_back(cell);
+ assigned_cells[key].insert(cell->name);
assigned_cells_reverse[cell] = key;
}
log_header(design, "Summary of detected clock domains:\n");
for (auto &it : assigned_cells)
- log(" %d cells in clk=%s%s, en=%s%s\n", GetSize(it.second),
- std::get<0>(it.first) ? "" : "!", log_signal(std::get<1>(it.first)),
- std::get<2>(it.first) ? "" : "!", log_signal(std::get<3>(it.first)));
+ log(" %d cells in clk=%s\n", GetSize(it.second), log_signal(it.first));
+ design->selection_stack.emplace_back(false);
+ design->selected_active_module = module->name.str();
for (auto &it : assigned_cells) {
- clk_polarity = std::get<0>(it.first);
- clk_sig = assign_map(std::get<1>(it.first));
- en_polarity = std::get<2>(it.first);
- en_sig = assign_map(std::get<3>(it.first));
- abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, !clk_sig.empty(), "$",
+ RTLIL::Selection& sel = design->selection_stack.back();
+ sel.selected_members[module->name] = std::move(it.second);
+ abc9_module(design, module, script_file, exe_file, cleanup, lut_costs, false, "$",
keepff, delay_target, lutin_shared, fast_mode, show_tempdir,
box_file, lut_file, wire_delay, box_lookup, nomfs);
assign_map.set(mod);
}
+ design->selection_stack.pop_back();
+ design->selected_active_module.clear();
}
- assign_map.clear();
-
log_pop();
}
} Abc9Pass;
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-29 16:44:59 +0000