* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
- * Copyright (C) 2019 Eddie Hung <eddie@fpgeh.com>
+ * 2019 Eddie Hung <eddie@fpgeh.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#define ABC_COMMAND_LIB "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put"
#define ABC_COMMAND_CTR "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put; buffer; upsize {D}; dnsize {D}; stime -p"
//#define ABC_COMMAND_LUT "strash; ifraig; scorr; dc2; dretime; strash; dch -f; if; mfs2"
-#define ABC_COMMAND_LUT "&st; &fraig; &scorr; &dc2; &retime; &dch -f; &if; &mfs"
+#define ABC_COMMAND_LUT "&st; &sweep; &scorr; "/*"&dc2; */"&retime; &dch -f; &ps -l; &if {W} -v; &ps -l"
#define ABC_COMMAND_SOP "strash; ifraig; scorr; dc2; dretime; strash; dch -f; cover {I} {P}"
#define ABC_COMMAND_DFL "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put"
}
};
-static std::pair<RTLIL::IdString, int> wideports_split(std::string name)
-{
- int pos = -1;
-
- if (name.empty() || name.back() != ']')
- goto failed;
-
- for (int i = 0; i+1 < GetSize(name); i++) {
- if (name[i] == '[')
- pos = i;
- else if (name[i] < '0' || name[i] > '9')
- pos = -1;
- else if (i == pos+1 && name[i] == '0' && name[i+1] != ']')
- pos = -1;
- }
-
- if (pos >= 0)
- return std::pair<RTLIL::IdString, int>(RTLIL::escape_id(name.substr(0, pos)), atoi(name.c_str() + pos+1));
-
-failed:
- return std::pair<RTLIL::IdString, int>(name, 0);
-}
-
void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file,
std::string liberty_file, std::string constr_file, bool cleanup, vector<int> lut_costs, bool dff_mode, std::string clk_str,
bool keepff, std::string delay_target, std::string sop_inputs, std::string sop_products, std::string lutin_shared, bool fast_mode,
- const std::vector<RTLIL::Cell*> &cells, bool show_tempdir, bool sop_mode)
+ const std::vector<RTLIL::Cell*> &cells, bool show_tempdir, bool sop_mode, std::string box_file, std::string lut_file,
+ std::string wire_delay)
{
module = current_module;
map_autoidx = autoidx++;
if (!cleanup)
tempdir_name[0] = tempdir_name[4] = '_';
tempdir_name = make_temp_dir(tempdir_name);
- log_header(design, "Extracting gate netlist of module `%s' to `%s/input.aig'..\n",
+ 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 = stringf("read %s/input.aig; &get -n; ", tempdir_name.c_str());
+ std::string abc_script;
if (!liberty_file.empty()) {
abc_script += stringf("read_lib -w %s; ", liberty_file.c_str());
if (!constr_file.empty())
abc_script += stringf("read_constr -v %s; ", constr_file.c_str());
} else
- if (!lut_costs.empty())
+ if (!lut_costs.empty()) {
abc_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());
+ }
+ else
+ if (!lut_file.empty()) {
+ abc_script += stringf("read_lut %s; ", lut_file.c_str());
+ if (!box_file.empty())
+ abc_script += stringf("read_box -v %s; ", box_file.c_str());
+ }
else
abc_script += stringf("read_library %s/stdcells.genlib; ", tempdir_name.c_str());
+ abc_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++)
abc_script += script_file[i];
} else
abc_script += stringf("source %s", script_file.c_str());
- } else if (!lut_costs.empty()) {
- bool all_luts_cost_same = true;
- for (int this_cost : lut_costs)
- if (this_cost != lut_costs.front())
- all_luts_cost_same = false;
+ } 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;
//if (all_luts_cost_same && !fast_mode)
// abc_script += "; lutpack {S}";
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 = 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);
+
abc_script += stringf("; &write %s/output.aig", tempdir_name.c_str());
abc_script = add_echos_to_abc_cmd(abc_script);
}
}
- design->selection_stack.emplace_back(false);
- RTLIL::Selection& sel = design->selection_stack.back();
- sel.select(module);
+ 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;
+ }
+ }
- Pass::call(design, "aigmap");
+ log_push();
- handle_loops(design);
+ if (count_output)
+ {
+ design->selection_stack.emplace_back(false);
+ RTLIL::Selection& sel = design->selection_stack.back();
+ sel.select(module);
- Pass::call(design, stringf("write_xaiger -O -map %s/input.sym %s/input.aig; ", tempdir_name.c_str(), tempdir_name.c_str()));
+ // Behave as for "abc" where BLIF writer implicitly outputs all undef as zero
+ Pass::call(design, "setundef -zero");
- design->selection_stack.pop_back();
+ Pass::call(design, "aigmap");
+
+ handle_loops(design);
- // 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("\\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);
+ //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);
+
+ Pass::call(design, stringf("write_xaiger -map %s/input.sym %s/input.xaig; ", tempdir_name.c_str(), tempdir_name.c_str()));
+
+ std::string buffer;
+ std::ifstream ifs;
+#if 0
+ buffer = stringf("%s/%s", tempdir_name.c_str(), "input.xaig");
+ ifs.open(buffer);
+ if (ifs.fail())
+ log_error("Can't open ABC output file `%s'.\n", buffer.c_str());
+ buffer = stringf("%s/%s", tempdir_name.c_str(), "input.sym");
+ log_assert(!design->module("$__abc9__"));
+ {
+ AigerReader reader(design, ifs, "$__abc9__", "" /* clk_name */, buffer.c_str() /* map_filename */, true /* wideports */);
+ reader.parse_xaiger();
}
- }
- module->fixup_ports();
+ ifs.close();
+ Pass::call(design, stringf("write_verilog -noexpr -norename %s/%s", tempdir_name.c_str(), "input.v"));
+ design->remove(design->module("$__abc9__"));
+#endif
- //log("Extracted %d gates and %d wires to a netlist network with %d inputs and %d outputs.\n",
- // count_gates, GetSize(signal_list), count_input, count_output);
+ design->selection_stack.pop_back();
+
+ // Now 'unexpose' those wires by undoing
+ // the expose operation -- remove them from PO/PI
+ // and re-connecting them back together
+ for (auto wire : module->wires()) {
+ auto it = wire->attributes.find("\\abc_scc_break");
+ if (it != wire->attributes.end()) {
+ wire->attributes.erase(it);
+ log_assert(wire->port_output);
+ wire->port_output = false;
+ RTLIL::Wire *i_wire = module->wire(wire->name.str() + ".abci");
+ log_assert(i_wire);
+ log_assert(i_wire->port_input);
+ i_wire->port_input = false;
+ module->connect(i_wire, wire);
+ }
+ }
+ module->fixup_ports();
- log_push();
- //if (count_output > 0)
- {
log_header(design, "Executing ABC9.\n");
- std::string buffer = stringf("%s/stdcells.genlib", tempdir_name.c_str());
- f = fopen(buffer.c_str(), "wt");
- if (f == NULL)
- log_error("Opening %s for writing failed: %s\n", buffer.c_str(), strerror(errno));
- fprintf(f, "GATE ZERO 1 Y=CONST0;\n");
- fprintf(f, "GATE ONE 1 Y=CONST1;\n");
- fprintf(f, "GATE BUF %d Y=A; PIN * NONINV 1 999 1 0 1 0\n", get_cell_cost("$_BUF_"));
- fprintf(f, "GATE NOT %d Y=!A; PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_NOT_"));
- if (enabled_gates.empty() || enabled_gates.count("AND"))
- fprintf(f, "GATE AND %d Y=A*B; PIN * NONINV 1 999 1 0 1 0\n", get_cell_cost("$_AND_"));
- if (enabled_gates.empty() || enabled_gates.count("NAND"))
- fprintf(f, "GATE NAND %d Y=!(A*B); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_NAND_"));
- if (enabled_gates.empty() || enabled_gates.count("OR"))
- fprintf(f, "GATE OR %d Y=A+B; PIN * NONINV 1 999 1 0 1 0\n", get_cell_cost("$_OR_"));
- if (enabled_gates.empty() || enabled_gates.count("NOR"))
- fprintf(f, "GATE NOR %d Y=!(A+B); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_NOR_"));
- if (enabled_gates.empty() || enabled_gates.count("XOR"))
- fprintf(f, "GATE XOR %d Y=(A*!B)+(!A*B); PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_XOR_"));
- if (enabled_gates.empty() || enabled_gates.count("XNOR"))
- fprintf(f, "GATE XNOR %d Y=(A*B)+(!A*!B); PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_XNOR_"));
- if (enabled_gates.empty() || enabled_gates.count("ANDNOT"))
- fprintf(f, "GATE ANDNOT %d Y=A*!B; PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_ANDNOT_"));
- if (enabled_gates.empty() || enabled_gates.count("ORNOT"))
- fprintf(f, "GATE ORNOT %d Y=A+!B; PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_ORNOT_"));
- if (enabled_gates.empty() || enabled_gates.count("AOI3"))
- fprintf(f, "GATE AOI3 %d Y=!((A*B)+C); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_AOI3_"));
- if (enabled_gates.empty() || enabled_gates.count("OAI3"))
- fprintf(f, "GATE OAI3 %d Y=!((A+B)*C); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_OAI3_"));
- if (enabled_gates.empty() || enabled_gates.count("AOI4"))
- fprintf(f, "GATE AOI4 %d Y=!((A*B)+(C*D)); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_AOI4_"));
- if (enabled_gates.empty() || enabled_gates.count("OAI4"))
- fprintf(f, "GATE OAI4 %d Y=!((A+B)*(C+D)); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_OAI4_"));
- if (enabled_gates.empty() || enabled_gates.count("MUX"))
- fprintf(f, "GATE MUX %d Y=(A*B)+(S*B)+(!S*A); PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_MUX_"));
- if (map_mux4)
- fprintf(f, "GATE MUX4 %d Y=(!S*!T*A)+(S*!T*B)+(!S*T*C)+(S*T*D); PIN * UNKNOWN 1 999 1 0 1 0\n", 2*get_cell_cost("$_MUX_"));
- if (map_mux8)
- fprintf(f, "GATE MUX8 %d Y=(!S*!T*!U*A)+(S*!T*!U*B)+(!S*T*!U*C)+(S*T*!U*D)+(!S*!T*U*E)+(S*!T*U*F)+(!S*T*U*G)+(S*T*U*H); PIN * UNKNOWN 1 999 1 0 1 0\n", 4*get_cell_cost("$_MUX_"));
- if (map_mux16)
- fprintf(f, "GATE MUX16 %d Y=(!S*!T*!U*!V*A)+(S*!T*!U*!V*B)+(!S*T*!U*!V*C)+(S*T*!U*!V*D)+(!S*!T*U*!V*E)+(S*!T*U*!V*F)+(!S*T*U*!V*G)+(S*T*U*!V*H)+(!S*!T*!U*V*I)+(S*!T*!U*V*J)+(!S*T*!U*V*K)+(S*T*!U*V*L)+(!S*!T*U*V*M)+(S*!T*U*V*N)+(!S*T*U*V*O)+(S*T*U*V*P); PIN * UNKNOWN 1 999 1 0 1 0\n", 8*get_cell_cost("$_MUX_"));
- fclose(f);
-
if (!lut_costs.empty()) {
buffer = stringf("%s/lutdefs.txt", tempdir_name.c_str());
f = fopen(buffer.c_str(), "wt");
log_error("ABC: execution of command \"%s\" failed: return code %d.\n", buffer.c_str(), ret);
buffer = stringf("%s/%s", tempdir_name.c_str(), "output.aig");
- std::ifstream ifs;
ifs.open(buffer);
if (ifs.fail())
log_error("Can't open ABC output file `%s'.\n", buffer.c_str());
bool builtin_lib = liberty_file.empty();
- RTLIL::Design *mapped_design = new RTLIL::Design;
//parse_blif(mapped_design, ifs, builtin_lib ? "\\DFF" : "\\_dff_", false, sop_mode);
buffer = stringf("%s/%s", tempdir_name.c_str(), "input.sym");
- AigerReader reader(mapped_design, ifs, "\\netlist", "" /* clk_name */, buffer.c_str() /* map_filename */, true /* wideports */);
+ log_assert(!design->module("$__abc9__"));
+ AigerReader reader(design, ifs, "$__abc9__", "" /* clk_name */, buffer.c_str() /* map_filename */, true /* wideports */);
reader.parse_xaiger();
-
ifs.close();
+#if 0
+ Pass::call(design, stringf("write_verilog -noexpr -norename %s/%s", tempdir_name.c_str(), "output.v"));
+#endif
+
log_header(design, "Re-integrating ABC9 results.\n");
- RTLIL::Module *mapped_mod = mapped_design->modules_["\\netlist"];
+ RTLIL::Module *mapped_mod = design->module("$__abc9__");
if (mapped_mod == NULL)
- log_error("ABC output file does not contain a module `netlist'.\n");
+ log_error("ABC output file does not contain a module `$__abc9__'.\n");
pool<RTLIL::SigBit> output_bits;
for (auto &it : mapped_mod->wires_) {
if (markgroups) remap_wire->attributes["\\abcgroup"] = map_autoidx;
if (w->port_output) {
RTLIL::Wire *wire = module->wire(w->name);
- if (wire) {
- for (int i = 0; i < GetSize(wire); i++)
- output_bits.insert({wire, i});
- }
- else {
- if (w->name.str() == "\\__dummy_o__") {
- log("Don't call ABC as there is nothing to map.\n");
- goto cleanup;
- }
-
- // Attempt another wideports_split here because there
- // exists the possibility that different bits of a port
- // could be an input and output, therefore parse_xiager()
- // could not combine it into a wideport
- auto r = wideports_split(w->name.str());
- wire = module->wire(r.first);
- log_assert(wire);
- int i = r.second;
+ log_assert(wire);
+ for (int i = 0; i < GetSize(wire); i++)
output_bits.insert({wire, i});
- }
}
}
+ // Remove all AND, NOT, and ABC box instances
+ // in preparation for stitching mapped_mod in
+ dict<IdString, decltype(RTLIL::Cell::parameters)> erased_boxes;
+ for (auto it = module->cells_.begin(); it != module->cells_.end(); ) {
+ RTLIL::Cell* cell = it->second;
+ if (cell->type.in("$_AND_", "$_NOT_")) {
+ it = module->cells_.erase(it);
+ continue;
+ }
+ RTLIL::Module* box_module = design->module(cell->type);
+ if (box_module && box_module->attributes.count("\\abc_box_id")) {
+ erased_boxes.insert(std::make_pair(it->first, std::move(cell->parameters)));
+ it = module->cells_.erase(it);
+ continue;
+ }
+ ++it;
+ }
+ // Do the same for module connections
+ for (auto &it : module->connections_) {
+ auto &signal = it.first;
+ auto bits = signal.bits();
+ for (auto &b : bits)
+ if (output_bits.count(b))
+ b = module->addWire(NEW_ID);
+ signal = std::move(bits);
+ }
+
std::map<std::string, int> cell_stats;
for (auto c : mapped_mod->cells())
{
RTLIL::Cell *cell;
RTLIL::SigBit a_bit = c->getPort("\\A").as_bit();
RTLIL::SigBit y_bit = c->getPort("\\Y").as_bit();
- if (!lut_costs.empty()) {
+ if (!a_bit.wire) {
+ c->setPort("\\Y", module->addWire(NEW_ID));
+ RTLIL::Wire *wire = module->wire(remap_name(y_bit.wire->name));
+ log_assert(wire);
+ module->connect(RTLIL::SigBit(wire, y_bit.offset), RTLIL::S1);
+ }
+ else if (!lut_costs.empty() || !lut_file.empty()) {
+ RTLIL::Cell* driving_lut = nullptr;
// ABC can return NOT gates that drive POs
- if (a_bit.wire->port_input) {
- // If it's a NOT gate that comes from a primary input directly
- // then implement it using a LUT
- cell = module->addLut(remap_name(stringf("%s$lut", c->name.c_str())),
- RTLIL::SigBit(module->wires_[remap_name(a_bit.wire->name)], a_bit.offset),
- RTLIL::SigBit(module->wires_[remap_name(y_bit.wire->name)], y_bit.offset),
- 1);
- }
- else {
- // Otherwise, clone the driving LUT to guarantee that we
- // won't increase the max logic depth
+ if (!a_bit.wire->port_input) {
+ // If it's not a NOT gate that that comes from a PI directly,
+ // find the driving LUT and clone that to guarantee that we won't
+ // increase the max logic depth
// (TODO: Optimise by not cloning unless will increase depth)
RTLIL::IdString driver_name;
if (GetSize(a_bit.wire) == 1)
driver_name = stringf("%s$lut", a_bit.wire->name.c_str());
else
driver_name = stringf("%s[%d]$lut", a_bit.wire->name.c_str(), a_bit.offset);
- RTLIL::Cell* driver = mapped_mod->cell(driver_name);
- log_assert(driver);
- auto driver_a = driver->getPort("\\A").chunks();
+ driving_lut = mapped_mod->cell(driver_name);
+ }
+
+ if (!driving_lut) {
+ // If a driver couldn't be found (could be from PI,
+ // or from a box) then implement using a LUT
+ cell = module->addLut(remap_name(stringf("%s$lut", c->name.c_str())),
+ RTLIL::SigBit(module->wires_[remap_name(a_bit.wire->name)], a_bit.offset),
+ RTLIL::SigBit(module->wires_[remap_name(y_bit.wire->name)], y_bit.offset),
+ 1);
+ }
+ else {
+ auto driver_a = driving_lut->getPort("\\A").chunks();
for (auto &chunk : driver_a)
chunk.wire = module->wires_[remap_name(chunk.wire->name)];
- RTLIL::Const driver_lut = driver->getParam("\\LUT");
+ RTLIL::Const driver_lut = driving_lut->getParam("\\LUT");
for (auto &b : driver_lut.bits) {
if (b == RTLIL::State::S0) b = RTLIL::State::S1;
else if (b == RTLIL::State::S1) b = RTLIL::State::S0;
RTLIL::SigBit(module->wires_[remap_name(y_bit.wire->name)], y_bit.offset),
driver_lut);
}
- cell_stats["$lut"]++;
}
else {
cell = module->addCell(remap_name(c->name), "$_NOT_");
if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
continue;
}
-
- cell_stats[RTLIL::unescape_id(c->type)]++;
- if (c->type == "\\ZERO" || c->type == "\\ONE") {
- RTLIL::SigSig conn;
- conn.first = RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]);
- conn.second = RTLIL::SigSpec(c->type == "\\ZERO" ? 0 : 1, 1);
- module->connect(conn);
- continue;
- }
- if (c->type == "\\BUF") {
- RTLIL::SigSig conn;
- conn.first = RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]);
- conn.second = RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)]);
- module->connect(conn);
- continue;
- }
-
- if (c->type == "\\AND" || c->type == "\\OR" || c->type == "\\XOR" || c->type == "\\NAND" || c->type == "\\NOR" ||
- c->type == "\\XNOR" || c->type == "\\ANDNOT" || c->type == "\\ORNOT") {
- RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_" + c->type.substr(1) + "_");
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\A", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)]));
- cell->setPort("\\B", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\B").as_wire()->name)]));
- cell->setPort("\\Y", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]));
- continue;
- }
- if (c->type == "\\MUX") {
- RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_MUX_");
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\A", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)]));
- cell->setPort("\\B", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\B").as_wire()->name)]));
- cell->setPort("\\S", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\S").as_wire()->name)]));
- cell->setPort("\\Y", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]));
- continue;
- }
- if (c->type == "\\MUX4") {
- RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_MUX4_");
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\A", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)]));
- cell->setPort("\\B", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\B").as_wire()->name)]));
- cell->setPort("\\C", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\C").as_wire()->name)]));
- cell->setPort("\\D", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\D").as_wire()->name)]));
- cell->setPort("\\S", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\S").as_wire()->name)]));
- cell->setPort("\\T", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\T").as_wire()->name)]));
- cell->setPort("\\Y", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]));
- continue;
- }
- if (c->type == "\\MUX8") {
- RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_MUX8_");
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\A", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)]));
- cell->setPort("\\B", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\B").as_wire()->name)]));
- cell->setPort("\\C", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\C").as_wire()->name)]));
- cell->setPort("\\D", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\D").as_wire()->name)]));
- cell->setPort("\\E", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\E").as_wire()->name)]));
- cell->setPort("\\F", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\F").as_wire()->name)]));
- cell->setPort("\\G", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\G").as_wire()->name)]));
- cell->setPort("\\H", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\H").as_wire()->name)]));
- cell->setPort("\\S", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\S").as_wire()->name)]));
- cell->setPort("\\T", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\T").as_wire()->name)]));
- cell->setPort("\\U", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\U").as_wire()->name)]));
- cell->setPort("\\Y", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]));
- continue;
- }
- if (c->type == "\\MUX16") {
- RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_MUX16_");
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\A", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)]));
- cell->setPort("\\B", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\B").as_wire()->name)]));
- cell->setPort("\\C", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\C").as_wire()->name)]));
- cell->setPort("\\D", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\D").as_wire()->name)]));
- cell->setPort("\\E", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\E").as_wire()->name)]));
- cell->setPort("\\F", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\F").as_wire()->name)]));
- cell->setPort("\\G", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\G").as_wire()->name)]));
- cell->setPort("\\H", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\H").as_wire()->name)]));
- cell->setPort("\\I", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\I").as_wire()->name)]));
- cell->setPort("\\J", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\J").as_wire()->name)]));
- cell->setPort("\\K", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\K").as_wire()->name)]));
- cell->setPort("\\L", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\L").as_wire()->name)]));
- cell->setPort("\\M", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\M").as_wire()->name)]));
- cell->setPort("\\N", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\N").as_wire()->name)]));
- cell->setPort("\\O", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\O").as_wire()->name)]));
- cell->setPort("\\P", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\P").as_wire()->name)]));
- cell->setPort("\\S", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\S").as_wire()->name)]));
- cell->setPort("\\T", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\T").as_wire()->name)]));
- cell->setPort("\\U", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\U").as_wire()->name)]));
- cell->setPort("\\V", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\V").as_wire()->name)]));
- cell->setPort("\\Y", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]));
- continue;
- }
- if (c->type == "\\AOI3" || c->type == "\\OAI3") {
- RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_" + c->type.substr(1) + "_");
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\A", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)]));
- cell->setPort("\\B", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\B").as_wire()->name)]));
- cell->setPort("\\C", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\C").as_wire()->name)]));
- cell->setPort("\\Y", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]));
- continue;
- }
- if (c->type == "\\AOI4" || c->type == "\\OAI4") {
- RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_" + c->type.substr(1) + "_");
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\A", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)]));
- cell->setPort("\\B", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\B").as_wire()->name)]));
- cell->setPort("\\C", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\C").as_wire()->name)]));
- cell->setPort("\\D", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\D").as_wire()->name)]));
- cell->setPort("\\Y", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)]));
- continue;
- }
- if (c->type == "\\DFF") {
- log_assert(clk_sig.size() == 1);
- RTLIL::Cell *cell;
- if (en_sig.size() == 0) {
- cell = module->addCell(remap_name(c->name), clk_polarity ? "$_DFF_P_" : "$_DFF_N_");
- } else {
- log_assert(en_sig.size() == 1);
- cell = module->addCell(remap_name(c->name), stringf("$_DFFE_%c%c_", clk_polarity ? 'P' : 'N', en_polarity ? 'P' : 'N'));
- cell->setPort("\\E", en_sig);
- }
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\D", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\D").as_wire()->name)]));
- cell->setPort("\\Q", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Q").as_wire()->name)]));
- cell->setPort("\\C", clk_sig);
- continue;
- }
}
- else
- cell_stats[RTLIL::unescape_id(c->type)]++;
+ cell_stats[RTLIL::unescape_id(c->type)]++;
- if (c->type == "\\_const0_" || c->type == "\\_const1_") {
- RTLIL::SigSig conn;
- conn.first = RTLIL::SigSpec(module->wires_[remap_name(c->connections().begin()->second.as_wire()->name)]);
- conn.second = RTLIL::SigSpec(c->type == "\\_const0_" ? 0 : 1, 1);
- module->connect(conn);
- continue;
- }
-
- if (c->type == "\\_dff_") {
- log_assert(clk_sig.size() == 1);
- RTLIL::Cell *cell;
- if (en_sig.size() == 0) {
- cell = module->addCell(remap_name(c->name), clk_polarity ? "$_DFF_P_" : "$_DFF_N_");
- } else {
- log_assert(en_sig.size() == 1);
- cell = module->addCell(remap_name(c->name), stringf("$_DFFE_%c%c_", clk_polarity ? 'P' : 'N', en_polarity ? 'P' : 'N'));
- cell->setPort("\\E", en_sig);
+ if (c->type == "$lut") {
+ if (GetSize(c->getPort("\\A")) == 1 && c->getParam("\\LUT").as_int() == 2) {
+ SigSpec my_a = module->wires_[remap_name(c->getPort("\\A").as_wire()->name)];
+ SigSpec my_y = module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)];
+ module->connect(my_y, my_a);
+ continue;
}
- if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
- cell->setPort("\\D", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\D").as_wire()->name)]));
- cell->setPort("\\Q", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\Q").as_wire()->name)]));
- cell->setPort("\\C", clk_sig);
- continue;
}
-
- if (c->type == "$lut" && GetSize(c->getPort("\\A")) == 1 && c->getParam("\\LUT").as_int() == 2) {
- SigSpec my_a = module->wires_[remap_name(c->getPort("\\A").as_wire()->name)];
- SigSpec my_y = module->wires_[remap_name(c->getPort("\\Y").as_wire()->name)];
- module->connect(my_y, my_a);
- continue;
+ else {
+ auto it = erased_boxes.find(c->name);
+ log_assert(it != erased_boxes.end());
+ c->parameters = std::move(it->second);
}
- RTLIL::Cell *cell = module->addCell(remap_name(c->name), c->type);
+ RTLIL::Cell* cell = module->addCell(remap_name(c->name), c->type);
if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx;
cell->parameters = c->parameters;
for (auto &conn : c->connections()) {
if (c.width == 0)
continue;
//log_assert(c.width == 1);
- c.wire = module->wires_[remap_name(c.wire->name)];
+ if (c.wire)
+ c.wire = module->wires_[remap_name(c.wire->name)];
newsig.append(c);
}
cell->setPort(conn.first, newsig);
for (auto &it : cell_stats)
log("ABC RESULTS: %15s cells: %8d\n", it.first.c_str(), it.second);
int in_wires = 0, out_wires = 0;
- //for (auto &si : signal_list)
- // if (si.is_port) {
- // char buffer[100];
- // snprintf(buffer, 100, "\\n%d", si.id);
- // RTLIL::SigSig conn;
- // if (si.type != G(NONE)) {
- // conn.first = si.bit;
- // conn.second = RTLIL::SigSpec(module->wires_[remap_name(buffer)]);
- // out_wires++;
- // } else {
- // conn.first = RTLIL::SigSpec(module->wires_[remap_name(buffer)]);
- // conn.second = si.bit;
- // in_wires++;
- // }
- // module->connect(conn);
- // }
-
- // Go through all AND and NOT output connections,
- // and for those output ports driving wires
- // also driven by mapped_mod, disconnect them
- for (auto cell : module->cells()) {
- if (!cell->type.in("$_AND_", "$_NOT_"))
- continue;
- for (auto &it : cell->connections_) {
- auto port_name = it.first;
- if (!cell->output(port_name)) continue;
- auto &signal = it.second;
- auto bits = signal.bits();
- for (auto &b : bits)
- if (output_bits.count(b))
- b = module->addWire(NEW_ID);
- signal = std::move(bits);
- }
- }
- // Do the same for module connections
- 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);
- }
// Stitch in mapped_mod's inputs/outputs into module
for (auto &it : mapped_mod->wires_) {
if (!w->port_input && !w->port_output)
continue;
RTLIL::Wire *wire = module->wire(w->name);
+ log_assert(wire);
RTLIL::Wire *remap_wire = module->wire(remap_name(w->name));
- RTLIL::SigSpec signal;
- if (wire) {
- signal = RTLIL::SigSpec(wire, 0, GetSize(remap_wire));
- }
- else {
- // Attempt another wideports_split here because there
- // exists the possibility that different bits of a port
- // could be an input and output, therefore parse_xiager()
- // could not combine it into a wideport
- auto r = wideports_split(w->name.str());
- wire = module->wire(r.first);
- log_assert(wire);
- int i = r.second;
- signal = RTLIL::SigSpec(wire, i);
- }
+ RTLIL::SigSpec signal = RTLIL::SigSpec(wire, 0, GetSize(remap_wire));
log_assert(GetSize(signal) >= GetSize(remap_wire));
log_assert(w->port_input || w->port_output);
log("ABC RESULTS: input signals: %8d\n", in_wires);
log("ABC RESULTS: output signals: %8d\n", out_wires);
- delete mapped_design;
+ 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");
- //}
-cleanup:
if (cleanup)
{
log("Removing temp directory.\n");
log(" file format).\n");
log("\n");
log(" -constr <file>\n");
- log(" pass this file with timing constraints to ABC. use with -liberty.\n");
+ log(" pass this file with timing constraints to ABC. Use with -liberty.\n");
log("\n");
log(" a constr file contains two lines:\n");
log(" set_driving_cell <cell_name>\n");
log(" the area cost doubles with each additional input bit. the delay cost\n");
log(" is still constant for all lut widths.\n");
log("\n");
+ log(" -lut <file>\n");
+ log(" pass this file with lut library to ABC.\n");
+ log("\n");
log(" -luts <cost1>,<cost2>,<cost3>,<sizeN>:<cost4-N>,..\n");
log(" generate netlist using luts. Use the specified costs for luts with 1,\n");
log(" 2, 3, .. inputs.\n");
log(" this attribute is a unique integer for each ABC process started. This\n");
log(" is useful for debugging the partitioning of clock domains.\n");
log("\n");
+ log(" -box <file>\n");
+ log(" pass this file with box library to ABC. Use with -lut.\n");
+ log("\n");
log("When neither -liberty nor -lut is used, the Yosys standard cell library is\n");
log("loaded into ABC before the ABC script is executed.\n");
log("\n");
#else
std::string exe_file = proc_self_dirname() + "yosys-abc";
#endif
- std::string script_file, liberty_file, constr_file, clk_str;
- std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1";
+ std::string script_file, liberty_file, constr_file, clk_str, box_file, lut_file;
+ std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1", wire_delay;
bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true;
bool show_tempdir = false, sop_mode = false;
vector<int> lut_costs;
markgroups = false;
+#if 0
+ cleanup = false;
+ show_tempdir = true;
+#endif
+
map_mux4 = false;
map_mux8 = false;
map_mux16 = false;
continue;
}
if (arg == "-constr" && argidx+1 < args.size()) {
- rewrite_filename(constr_file);
constr_file = args[++argidx];
+ rewrite_filename(constr_file);
if (!constr_file.empty() && !is_absolute_path(constr_file))
constr_file = std::string(pwd) + "/" + constr_file;
continue;
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;
+ pos = arg.find_first_of('.');
+ 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.c_str());
+ lut_mode2 = lut_mode;
+ }
}
lut_costs.clear();
for (int i = 0; i < lut_mode; i++)
markgroups = true;
continue;
}
+ if (arg == "-box" && argidx+1 < args.size()) {
+ box_file = args[++argidx];
+ rewrite_filename(box_file);
+ if (!box_file.empty() && !is_absolute_path(box_file))
+ box_file = std::string(pwd) + "/" + box_file;
+ continue;
+ }
+ if (arg == "-W" && argidx+1 < args.size()) {
+ wire_delay = "-W " + args[++argidx];
+ continue;
+ }
break;
}
extra_args(args, argidx, design);
- if (!lut_costs.empty() && !liberty_file.empty())
+ if ((!lut_costs.empty() || !lut_file.empty()) && !liberty_file.empty())
log_cmd_error("Got -lut and -liberty! This two options are exclusive.\n");
if (!constr_file.empty() && liberty_file.empty())
log_cmd_error("Got -constr but no -liberty!\n");
for (auto mod : design->selected_modules())
{
+ if (mod->attributes.count("\\abc_box_id"))
+ continue;
+
if (mod->processes.size() > 0) {
log("Skipping module %s as it contains processes.\n", log_id(mod));
continue;
if (!dff_mode || !clk_str.empty()) {
abc9_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, dff_mode, clk_str, keepff,
- delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, mod->selected_cells(), show_tempdir, sop_mode);
+ delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, mod->selected_cells(), show_tempdir, sop_mode,
+ box_file, lut_file, wire_delay);
continue;
}
en_polarity = std::get<2>(it.first);
en_sig = assign_map(std::get<3>(it.first));
abc9_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, !clk_sig.empty(), "$",
- keepff, delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, it.second, show_tempdir, sop_mode);
+ keepff, delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, it.second, show_tempdir, sop_mode,
+ box_file, lut_file, wire_delay);
assign_map.set(mod);
}
}
projects / yosys.git / blobdiff