diff options
28 files changed, 719 insertions, 215 deletions
@@ -88,7 +88,7 @@ ifeq ($(OS), Darwin) PLUGIN_LDFLAGS += -undefined dynamic_lookup # homebrew search paths -ifneq ($(shell command -v brew),) +ifneq ($(shell :; command -v brew),) BREW_PREFIX := $(shell brew --prefix)/opt $(info $$BREW_PREFIX is [${BREW_PREFIX}]) ifeq ($(ENABLE_PYOSYS),1) @@ -102,8 +102,8 @@ PKG_CONFIG_PATH := $(BREW_PREFIX)/tcl-tk/lib/pkgconfig:$(PKG_CONFIG_PATH) export PATH := $(BREW_PREFIX)/bison/bin:$(BREW_PREFIX)/gettext/bin:$(BREW_PREFIX)/flex/bin:$(PATH) # macports search paths -else ifneq ($(shell command -v port),) -PORT_PREFIX := $(patsubst %/bin/port,%,$(shell command -v port)) +else ifneq ($(shell :; command -v port),) +PORT_PREFIX := $(patsubst %/bin/port,%,$(shell :; command -v port)) CXXFLAGS += -I$(PORT_PREFIX)/include LDFLAGS += -L$(PORT_PREFIX)/lib PKG_CONFIG_PATH := $(PORT_PREFIX)/lib/pkgconfig:$(PKG_CONFIG_PATH) @@ -115,7 +115,7 @@ LDFLAGS += -rdynamic LDLIBS += -lrt endif -YOSYS_VER := 0.9+36 +YOSYS_VER := 0.9+231 GIT_REV := $(shell cd $(YOSYS_SRC) && git rev-parse --short HEAD 2> /dev/null || echo UNKNOWN) OBJS = kernel/version_$(GIT_REV).o @@ -332,6 +332,10 @@ Verilog Attributes and non-standard features that represent module parameters or localparams (when the HDL front-end is run in ``-pwires`` mode). +- Wires marked with the ``hierconn`` attribute are connected to wires with the + same name (format ``cell_name.identifier``) when they are imported from + sub-modules by ``flatten``. + - The ``clkbuf_driver`` attribute can be set on an output port of a blackbox module to mark it as a clock buffer output, and thus prevent ``clkbufmap`` from inserting another clock buffer on a net driven by such output. @@ -351,19 +355,16 @@ Verilog Attributes and non-standard features blackbox or whitebox definition to a corresponding entry in a `abc9` box-file. -- The port attribute ``abc_scc_break`` indicates a module input port that will - be treated as a primary output during `abc9` techmapping. Doing so eliminates - the possibility of a strongly-connected component (i.e. a combinatorial loop) - existing. Typically, this is specified for sequential inputs on otherwise - combinatorial boxes -- for example, applying ``abc_scc_break`` onto the `D` - port of a LUTRAM cell prevents `abc9` from interpreting any `Q` -> `D` paths - as a combinatorial loop. - - The port attribute ``abc_carry`` marks the carry-in (if an input port) and carry-out (if output port) ports of a box. This information is necessary for `abc9` to preserve the integrity of carry-chains. Specifying this attribute onto a bus port will affect only its most significant bit. +- The port attribute ``abc_arrival`` specifies an integer (for output ports + only) to be used as the arrival time of this sequential port. It can be used, + for example, to specify the clk-to-Q delay of a flip-flop for consideration + during techmapping. + - In addition to the ``(* ... *)`` attribute syntax, Yosys supports the non-standard ``{* ... *}`` attribute syntax to set default attributes for everything that comes after the ``{* ... *}`` statement. (Reset diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index e1b84236d..fa6ba0aca 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -83,6 +83,7 @@ struct XAigerWriter dict<SigBit, pair<SigBit, SigBit>> and_map; vector<std::tuple<SigBit,RTLIL::Cell*,RTLIL::IdString,int>> ci_bits; vector<std::tuple<SigBit,RTLIL::Cell*,RTLIL::IdString,int,int>> co_bits; + dict<SigBit, float> arrival_times; vector<pair<int, int>> aig_gates; vector<int> aig_outputs; @@ -247,14 +248,15 @@ struct XAigerWriter if (!holes_mode) { toposort.node(cell->name); for (const auto &conn : cell->connections()) { - if (cell->input(conn.first)) { + auto port_wire = inst_module->wire(conn.first); + if (port_wire->port_input) { // Ignore inout for the sake of topographical ordering - if (cell->output(conn.first)) continue; + if (port_wire->port_output) continue; for (auto bit : sigmap(conn.second)) bit_users[bit].insert(cell->name); } - if (cell->output(conn.first)) + if (port_wire->port_output) for (auto bit : sigmap(conn.second)) bit_drivers[bit].insert(cell->name); } @@ -271,7 +273,7 @@ struct XAigerWriter log_error("Connection '%s' on cell '%s' (type '%s') not recognised!\n", log_id(c.first), log_id(cell), log_id(cell->type)); if (is_input) { - for (auto b : c.second.bits()) { + for (auto b : c.second) { Wire *w = b.wire; if (!w) continue; if (!w->port_output || !cell_known) { @@ -287,7 +289,17 @@ struct XAigerWriter } } if (is_output) { - for (auto b : c.second.bits()) { + int arrival = 0; + if (port_wire) { + auto it = port_wire->attributes.find("\\abc_arrival"); + if (it != port_wire->attributes.end()) { + if (it->second.flags != 0) + log_error("Attribute 'abc_arrival' on port '%s' of module '%s' is not an integer.\n", log_id(port_wire), log_id(cell->type)); + arrival = it->second.as_int(); + } + } + + for (auto b : c.second) { Wire *w = b.wire; if (!w) continue; input_bits.insert(b); @@ -295,6 +307,9 @@ struct XAigerWriter if (O != b) alias_map[O] = b; undriven_bits.erase(O); + + if (arrival) + arrival_times[b] = arrival; } } } @@ -489,16 +504,16 @@ struct XAigerWriter aig_outputs.push_back(bit2aig(bit)); } + if (output_bits.empty()) { + output_bits.insert(State::S0); + omode = true; + } + for (auto bit : output_bits) { ordered_outputs[bit] = aig_o++; aig_outputs.push_back(bit2aig(bit)); } - if (output_bits.empty()) { - aig_o++; - aig_outputs.push_back(0); - omode = true; - } } void write_aiger(std::ostream &f, bool ascii_mode) @@ -560,26 +575,38 @@ struct XAigerWriter f << "c"; - if (!box_list.empty()) { - auto write_buffer = [](std::stringstream &buffer, int i32) { - int32_t i32_be = to_big_endian(i32); - buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be)); - }; - - std::stringstream h_buffer; - auto write_h_buffer = std::bind(write_buffer, std::ref(h_buffer), std::placeholders::_1); - write_h_buffer(1); - log_debug("ciNum = %d\n", GetSize(input_bits) + GetSize(ci_bits)); - write_h_buffer(input_bits.size() + ci_bits.size()); - log_debug("coNum = %d\n", GetSize(output_bits) + GetSize(co_bits)); - write_h_buffer(output_bits.size() + co_bits.size()); - log_debug("piNum = %d\n", GetSize(input_bits)); - write_h_buffer(input_bits.size()); - log_debug("poNum = %d\n", GetSize(output_bits)); - write_h_buffer(output_bits.size()); - log_debug("boxNum = %d\n", GetSize(box_list)); - write_h_buffer(box_list.size()); + log_assert(!output_bits.empty()); + auto write_buffer = [](std::stringstream &buffer, int i32) { + int32_t i32_be = to_big_endian(i32); + buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be)); + }; + std::stringstream h_buffer; + auto write_h_buffer = std::bind(write_buffer, std::ref(h_buffer), std::placeholders::_1); + write_h_buffer(1); + log_debug("ciNum = %d\n", GetSize(input_bits) + GetSize(ci_bits)); + write_h_buffer(input_bits.size() + ci_bits.size()); + log_debug("coNum = %d\n", GetSize(output_bits) + GetSize(co_bits)); + write_h_buffer(output_bits.size() + GetSize(co_bits)); + log_debug("piNum = %d\n", GetSize(input_bits)); + write_h_buffer(input_bits.size()); + log_debug("poNum = %d\n", GetSize(output_bits)); + write_h_buffer(output_bits.size()); + log_debug("boxNum = %d\n", GetSize(box_list)); + write_h_buffer(box_list.size()); + + auto write_buffer_float = [](std::stringstream &buffer, float f32) { + buffer.write(reinterpret_cast<const char*>(&f32), sizeof(f32)); + }; + std::stringstream i_buffer; + auto write_i_buffer = std::bind(write_buffer_float, std::ref(i_buffer), std::placeholders::_1); + for (auto bit : input_bits) + write_i_buffer(arrival_times.at(bit, 0)); + //std::stringstream o_buffer; + //auto write_o_buffer = std::bind(write_buffer_float, std::ref(o_buffer), std::placeholders::_1); + //for (auto bit : output_bits) + // write_o_buffer(0); + if (!box_list.empty()) { RTLIL::Module *holes_module = module->design->addModule("$__holes__"); log_assert(holes_module); @@ -643,19 +670,12 @@ struct XAigerWriter write_h_buffer(box_count++); } - f << "h"; - std::string buffer_str = h_buffer.str(); - int32_t buffer_size_be = to_big_endian(buffer_str.size()); - f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be)); - f.write(buffer_str.data(), buffer_str.size()); - std::stringstream r_buffer; auto write_r_buffer = std::bind(write_buffer, std::ref(r_buffer), std::placeholders::_1); write_r_buffer(0); - f << "r"; - buffer_str = r_buffer.str(); - buffer_size_be = to_big_endian(buffer_str.size()); + std::string buffer_str = r_buffer.str(); + int32_t buffer_size_be = to_big_endian(buffer_str.size()); f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be)); f.write(buffer_str.data(), buffer_str.size()); @@ -709,6 +729,23 @@ struct XAigerWriter } } + f << "h"; + std::string buffer_str = h_buffer.str(); + int32_t buffer_size_be = to_big_endian(buffer_str.size()); + f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be)); + f.write(buffer_str.data(), buffer_str.size()); + + f << "i"; + buffer_str = i_buffer.str(); + buffer_size_be = to_big_endian(buffer_str.size()); + f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be)); + f.write(buffer_str.data(), buffer_str.size()); + //f << "o"; + //buffer_str = o_buffer.str(); + //buffer_size_be = to_big_endian(buffer_str.size()); + //f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be)); + //f.write(buffer_str.data(), buffer_str.size()); + f << stringf("Generated by %s\n", yosys_version_str); } @@ -760,11 +797,11 @@ struct XAigerWriter f << stringf("box %d %d %s\n", box_count++, 0, log_id(cell->name)); output_lines.sort(); + if (omode) + output_lines[State::S0] = "output 0 0 $__dummy__\n"; for (auto &it : output_lines) f << it.second; log_assert(output_lines.size() == output_bits.size()); - if (omode && output_bits.empty()) - f << "output " << output_lines.size() << " 0 $__dummy__\n"; wire_lines.sort(); for (auto &it : wire_lines) diff --git a/frontends/aiger/aigerparse.cc b/frontends/aiger/aigerparse.cc index 2e1fb8fad..a8d5abc1e 100644 --- a/frontends/aiger/aigerparse.cc +++ b/frontends/aiger/aigerparse.cc @@ -430,6 +430,7 @@ void AigerReader::parse_xaiger(const dict<int,IdString> &box_lookup) else if (c == 'r') { uint32_t dataSize YS_ATTRIBUTE(unused) = parse_xaiger_literal(f); flopNum = parse_xaiger_literal(f); + log_debug("flopNum: %u\n", flopNum); log_assert(dataSize == (flopNum+1) * sizeof(uint32_t)); f.ignore(flopNum * sizeof(uint32_t)); } @@ -496,8 +497,7 @@ void AigerReader::parse_aiger_ascii() // Parse latches RTLIL::Wire *clk_wire = nullptr; - if (L > 0) { - log_assert(clk_name != ""); + if (L > 0 && !clk_name.empty()) { clk_wire = module->wire(clk_name); log_assert(!clk_wire); log_debug2("Creating %s\n", clk_name.c_str()); @@ -513,7 +513,10 @@ void AigerReader::parse_aiger_ascii() RTLIL::Wire *q_wire = createWireIfNotExists(module, l1); RTLIL::Wire *d_wire = createWireIfNotExists(module, l2); - module->addDffGate(NEW_ID, clk_wire, d_wire, q_wire); + if (clk_wire) + module->addDffGate(NEW_ID, clk_wire, d_wire, q_wire); + else + module->addFfGate(NEW_ID, d_wire, q_wire); // Reset logic is optional in AIGER 1.9 if (f.peek() == ' ') { @@ -621,8 +624,7 @@ void AigerReader::parse_aiger_binary() // Parse latches RTLIL::Wire *clk_wire = nullptr; - if (L > 0) { - log_assert(clk_name != ""); + if (L > 0 && !clk_name.empty()) { clk_wire = module->wire(clk_name); log_assert(!clk_wire); log_debug2("Creating %s\n", clk_name.c_str()); @@ -638,7 +640,10 @@ void AigerReader::parse_aiger_binary() RTLIL::Wire *q_wire = createWireIfNotExists(module, l1); RTLIL::Wire *d_wire = createWireIfNotExists(module, l2); - module->addDff(NEW_ID, clk_wire, d_wire, q_wire); + if (clk_wire) + module->addDff(NEW_ID, clk_wire, d_wire, q_wire); + else + module->addFf(NEW_ID, d_wire, q_wire); // Reset logic is optional in AIGER 1.9 if (f.peek() == ' ') { @@ -776,19 +781,19 @@ void AigerReader::post_process() // NB: Assume box_module->ports are sorted alphabetically // (as RTLIL::Module::fixup_ports() would do) for (auto port_name : box_module->ports) { - RTLIL::Wire* w = box_module->wire(port_name); - log_assert(w); + RTLIL::Wire* port = box_module->wire(port_name); + log_assert(port); RTLIL::SigSpec rhs; - RTLIL::Wire* wire = nullptr; - for (int i = 0; i < GetSize(w); i++) { - if (w->port_input) { + for (int i = 0; i < GetSize(port); i++) { + RTLIL::Wire* wire = nullptr; + if (port->port_input) { log_assert(co_count < outputs.size()); wire = outputs[co_count++]; log_assert(wire); log_assert(wire->port_output); wire->port_output = false; } - if (w->port_output) { + if (port->port_output) { log_assert((piNum + ci_count) < inputs.size()); wire = inputs[piNum + ci_count++]; log_assert(wire); @@ -797,6 +802,7 @@ void AigerReader::post_process() } rhs.append(wire); } + cell->setPort(port_name, rhs); } } @@ -814,6 +820,7 @@ void AigerReader::post_process() RTLIL::Wire* wire = inputs[variable]; log_assert(wire); log_assert(wire->port_input); + log_debug("Renaming input %s", log_id(wire)); if (index == 0) { // Cope with the fact that a CI might be identical @@ -840,6 +847,7 @@ void AigerReader::post_process() wire->port_input = false; } } + log_debug(" -> %s\n", log_id(wire)); } else if (type == "output") { log_assert(static_cast<unsigned>(variable + co_count) < outputs.size()); @@ -850,6 +858,7 @@ void AigerReader::post_process() wire->port_output = false; continue; } + log_debug("Renaming output %s", log_id(wire)); if (index == 0) { // Cope with the fact that a CO might be identical @@ -871,6 +880,7 @@ void AigerReader::post_process() else { wire->port_output = false; module->connect(wire, existing); + wire = existing; } } else if (index > 0) { @@ -896,6 +906,7 @@ void AigerReader::post_process() wire->port_output = false; } } + log_debug(" -> %s\n", log_id(wire)); } else if (type == "box") { RTLIL::Cell* cell = module->cell(stringf("$__box%d__", variable)); @@ -1004,8 +1015,8 @@ struct AigerFrontend : public Frontend { log(" Name of module to be created (default: <filename>)\n"); log("\n"); log(" -clk_name <wire_name>\n"); - log(" AIGER latches to be transformed into posedge DFFs clocked by wire of"); - log(" this name (default: clk)\n"); + log(" If specified, AIGER latches to be transformed into $_DFF_P_ cells\n"); + log(" clocked by wire of this name. Otherwise, $_FF_ cells will be used.\n"); log("\n"); log(" -map <filename>\n"); log(" read file with port and latch symbols\n"); diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 86dd80c65..52fcf3ee7 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1530,10 +1530,16 @@ skip_dynamic_range_lvalue_expansion:; current_scope[wire_en->str] = wire_en; while (wire_en->simplify(true, false, false, 1, -1, false, false)) { } - std::vector<RTLIL::State> x_bit; - x_bit.push_back(RTLIL::State::Sx); + AstNode *check_defval; + if (type == AST_LIVE || type == AST_FAIR) { + check_defval = new AstNode(AST_REDUCE_BOOL, children[0]->clone()); + } else { + std::vector<RTLIL::State> x_bit; + x_bit.push_back(RTLIL::State::Sx); + check_defval = mkconst_bits(x_bit, false); + } - AstNode *assign_check = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_bits(x_bit, false)); + AstNode *assign_check = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), check_defval); assign_check->children[0]->str = id_check; assign_check->children[0]->was_checked = true; @@ -1546,9 +1552,13 @@ skip_dynamic_range_lvalue_expansion:; default_signals->children.push_back(assign_en); current_top_block->children.insert(current_top_block->children.begin(), default_signals); - assign_check = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), new AstNode(AST_REDUCE_BOOL, children[0]->clone())); - assign_check->children[0]->str = id_check; - assign_check->children[0]->was_checked = true; + if (type == AST_LIVE || type == AST_FAIR) { + assign_check = nullptr; + } else { + assign_check = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), new AstNode(AST_REDUCE_BOOL, children[0]->clone())); + assign_check->children[0]->str = id_check; + assign_check->children[0]->was_checked = true; + } if (current_always == nullptr || current_always->type != AST_INITIAL) { assign_en = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_int(1, false, 1)); @@ -1560,7 +1570,8 @@ skip_dynamic_range_lvalue_expansion:; assign_en->children[0]->was_checked = true; newNode = new AstNode(AST_BLOCK); - newNode->children.push_back(assign_check); + if (assign_check != nullptr) + newNode->children.push_back(assign_check); newNode->children.push_back(assign_en); AstNode *assertnode = new AstNode(type); diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 6fdf987f0..7eac08d17 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -76,8 +76,7 @@ inline std::string remap_name(RTLIL::IdString abc_name) return stringf("$abc$%d$%s", map_autoidx, abc_name.c_str()+1); } -void handle_loops(RTLIL::Design *design, - const dict<IdString,pool<IdString>> &scc_break_inputs) +void handle_loops(RTLIL::Design *design) { Pass::call(design, "scc -set_attr abc_scc_id {}"); @@ -114,30 +113,6 @@ void handle_loops(RTLIL::Design *design, } cell->attributes.erase(it); } - - auto jt = scc_break_inputs.find(cell->type); - if (jt != scc_break_inputs.end()) - for (auto port_name : jt->second) { - RTLIL::SigSpec sig; - auto &rhs = cell->connections_.at(port_name); - for (auto b : rhs) { - Wire *w = b.wire; - if (!w) continue; - w->port_output = true; - w->set_bool_attribute(ID(abc_scc_break)); - 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_input = true; - } - else { - log_assert(b.offset < GetSize(w)); - log_assert(w->port_input); - } - sig.append(RTLIL::SigBit(w, b.offset)); - } - rhs = sig; - } } module->fixup_ports(); @@ -272,8 +247,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri 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, - const dict<IdString,pool<IdString>> &scc_break_inputs + std::string wire_delay, const dict<int,IdString> &box_lookup ) { module = current_module; @@ -413,7 +387,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri RTLIL::Selection& sel = design->selection_stack.back(); sel.select(module); - handle_loops(design, scc_break_inputs); + handle_loops(design); Pass::call(design, "aigmap"); @@ -1050,9 +1024,6 @@ struct Abc9Pass : public Pass { } 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()) { @@ -1063,8 +1034,15 @@ struct Abc9Pass : public Pass { } extra_args(args, argidx, design); + // ABC expects a box file for XAIG + if (box_file.empty()) + box_file = "+/dummy.box"; + + rewrite_filename(box_file); + if (!box_file.empty() && !is_absolute_path(box_file)) + box_file = std::string(pwd) + "/" + box_file; + dict<int,IdString> box_lookup; - dict<IdString,pool<IdString>> scc_break_inputs; for (auto m : design->modules()) { auto it = m->attributes.find(ID(abc_box_id)); if (it == m->attributes.end()) @@ -1082,17 +1060,13 @@ struct Abc9Pass : public Pass { for (auto p : m->ports) { auto w = m->wire(p); log_assert(w); - if (w->port_input) { - if (w->attributes.count(ID(abc_scc_break))) - scc_break_inputs[m->name].insert(p); - if (w->attributes.count(ID(abc_carry))) { + if (w->attributes.count(ID(abc_carry))) { + if (w->port_input) { if (carry_in) log_error("Module '%s' contains more than one 'abc_carry' input port.\n", log_id(m)); carry_in = w; } - } - if (w->port_output) { - if (w->attributes.count(ID(abc_carry))) { + else if (w->port_output) { if (carry_out) log_error("Module '%s' contains more than one 'abc_carry' input port.\n", log_id(m)); carry_out = w; @@ -1144,7 +1118,7 @@ struct Abc9Pass : public Pass { 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, scc_break_inputs); + box_file, lut_file, wire_delay, box_lookup); continue; } @@ -1290,7 +1264,7 @@ struct Abc9Pass : public Pass { en_sig = assign_map(std::get<3>(it.first)); abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, !clk_sig.empty(), "$", keepff, delay_target, lutin_shared, fast_mode, show_tempdir, - box_file, lut_file, wire_delay, box_lookup, scc_break_inputs); + box_file, lut_file, wire_delay, box_lookup); assign_map.set(mod); } } diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index c4496f76f..5ce1bf7d6 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -205,20 +205,38 @@ struct TechmapWorker } std::map<RTLIL::IdString, RTLIL::IdString> positional_ports; + dict<Wire*, IdString> temp_renamed_wires; for (auto &it : tpl->wires_) { if (it.second->port_id > 0) positional_ports[stringf("$%d", it.second->port_id)] = it.first; IdString w_name = it.second->name; apply_prefix(cell->name, w_name); - RTLIL::Wire *w = module->addWire(w_name, it.second); - w->port_input = false; - w->port_output = false; - w->port_id = 0; - if (it.second->get_bool_attribute(ID(_techmap_special_))) - w->attributes.clear(); - if (w->attributes.count(ID(src))) - w->add_strpool_attribute(ID(src), extra_src_attrs); + RTLIL::Wire *w = module->wire(w_name); + if (w != nullptr) { + if (!flatten_mode || !w->get_bool_attribute(ID(hierconn))) { + temp_renamed_wires[w] = w->name; + module->rename(w, NEW_ID); + w = nullptr; + } else { + w->attributes.erase(ID(hierconn)); + if (GetSize(w) < GetSize(it.second)) { + log_warning("Widening signal %s.%s to match size of %s.%s (via %s.%s).\n", log_id(module), log_id(w), + log_id(tpl), log_id(it.second), log_id(module), log_id(cell)); + w->width = GetSize(it.second); + } + } + } + if (w == nullptr) { + w = module->addWire(w_name, it.second); + w->port_input = false; + w->port_output = false; + w->port_id = 0; + if (it.second->get_bool_attribute(ID(_techmap_special_))) + w->attributes.clear(); + if (w->attributes.count(ID(src))) + w->add_strpool_attribute(ID(src), extra_src_attrs); + } design->select(module, w); } @@ -380,6 +398,16 @@ struct TechmapWorker } module->remove(cell); + + for (auto &it : temp_renamed_wires) + { + Wire *w = it.first; + IdString name = it.second; + IdString altname = module->uniquify(name); + Wire *other_w = module->wire(name); + module->rename(other_w, altname); + module->rename(w, name); + } } bool techmap_module(RTLIL::Design *design, RTLIL::Module *module, RTLIL::Design *map, std::set<RTLIL::Cell*> &handled_cells, diff --git a/techlibs/common/Makefile.inc b/techlibs/common/Makefile.inc index e6d1c2f29..6c0a4fe66 100644 --- a/techlibs/common/Makefile.inc +++ b/techlibs/common/Makefile.inc @@ -29,3 +29,4 @@ $(eval $(call add_share_file,share,techlibs/common/gate2lut.v)) $(eval $(call add_share_file,share,techlibs/common/cmp2lut.v)) $(eval $(call add_share_file,share,techlibs/common/cells.lib)) $(eval $(call add_share_file,share,techlibs/common/mul2dsp.v)) +$(eval $(call add_share_file,share,techlibs/common/dummy.box)) diff --git a/techlibs/common/dummy.box b/techlibs/common/dummy.box new file mode 100644 index 000000000..0c18070a0 --- /dev/null +++ b/techlibs/common/dummy.box @@ -0,0 +1 @@ +(dummy) 1 0 0 0 diff --git a/techlibs/ecp5/Makefile.inc b/techlibs/ecp5/Makefile.inc index a0c4e34e3..80eee5004 100644 --- a/techlibs/ecp5/Makefile.inc +++ b/techlibs/ecp5/Makefile.inc @@ -15,6 +15,9 @@ $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/arith_map.v)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/latches_map.v)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/dsp_map.v)) +$(eval $(call add_share_file,share/ecp5,techlibs/ecp5/abc_map.v)) +$(eval $(call add_share_file,share/ecp5,techlibs/ecp5/abc_unmap.v)) +$(eval $(call add_share_file,share/ecp5,techlibs/ecp5/abc_model.v)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/abc_5g.box)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/abc_5g.lut)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/abc_5g_nowide.lut)) diff --git a/techlibs/ecp5/abc_5g.box b/techlibs/ecp5/abc_5g.box index c757d137d..a336b4a85 100644 --- a/techlibs/ecp5/abc_5g.box +++ b/techlibs/ecp5/abc_5g.box @@ -15,16 +15,16 @@ CCU2C 1 1 9 3 630 379 630 379 526 275 392 141 273 516 516 516 516 412 412 278 278 43 -# Box 2 : TRELLIS_DPR16X4 (16x4 dist ram) +# Box 2 : TRELLIS_DPR16X4_COMB (16x4 dist ram) # Outputs: DO0, DO1, DO2, DO3 -# name ID w/b ins outs -TRELLIS_DPR16X4 2 0 14 4 - -#DI0 DI1 DI2 DI3 RAD0 RAD1 RAD2 RAD3 WAD0 WAD1 WAD2 WAD3 WCK WRE -- - - - 141 379 275 379 - - - - - - -- - - - 141 379 275 379 - - - - - - -- - - - 141 379 275 379 - - - - - - -- - - - 141 379 275 379 - - - - - - +# name ID w/b ins outs +$__ABC_DPR16X4_COMB 2 0 8 4 + +#A0 A1 A2 A3 RAD0 RAD1 RAD2 RAD3 +0 0 0 0 141 379 275 379 +0 0 0 0 141 379 275 379 +0 0 0 0 141 379 275 379 +0 0 0 0 141 379 275 379 # Box 3 : PFUMX (MUX2) # Outputs: Z diff --git a/techlibs/ecp5/abc_map.v b/techlibs/ecp5/abc_map.v new file mode 100644 index 000000000..ffd25f06d --- /dev/null +++ b/techlibs/ecp5/abc_map.v @@ -0,0 +1,24 @@ +// --------------------------------------- + +module TRELLIS_DPR16X4 ( + input [3:0] DI, + input [3:0] WAD, + input WRE, + input WCK, + input [3:0] RAD, + output [3:0] DO +); + parameter WCKMUX = "WCK"; + parameter WREMUX = "WRE"; + parameter [63:0] INITVAL = 64'h0000000000000000; + wire [3:0] \$DO ; + + TRELLIS_DPR16X4 #( + .WCKMUX(WCKMUX), .WREMUX(WREMUX), .INITVAL(INITVAL) + ) _TECHMAP_REPLACE_ ( + .DI(DI), .WAD(WAD), .WRE(WRE), .WCK(WCK), + .RAD(RAD), .DO(\$DO ) + ); + + \$__ABC_DPR16X4_COMB do (.A(\$DO ), .S(RAD), .Y(DO)); +endmodule diff --git a/techlibs/ecp5/abc_model.v b/techlibs/ecp5/abc_model.v new file mode 100644 index 000000000..56a733b75 --- /dev/null +++ b/techlibs/ecp5/abc_model.v @@ -0,0 +1,5 @@ +// --------------------------------------- + +(* abc_box_id=2 *) +module \$__ABC_DPR16X4_COMB (input [3:0] A, S, output [3:0] Y); +endmodule diff --git a/techlibs/ecp5/abc_unmap.v b/techlibs/ecp5/abc_unmap.v new file mode 100644 index 000000000..d43cdd93f --- /dev/null +++ b/techlibs/ecp5/abc_unmap.v @@ -0,0 +1,5 @@ +// --------------------------------------- + +module \$__ABC_DPR16X4_COMB (input [3:0] A, S, output [3:0] Y); + assign Y = A; +endmodule diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index 5bdb8395e..db77dc127 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -109,16 +109,13 @@ module PFUMX (input ALUT, BLUT, C0, output Z); endmodule // --------------------------------------- -//(* abc_box_id=2 *) module TRELLIS_DPR16X4 ( - (* abc_scc_break *) input [3:0] DI, - (* abc_scc_break *) input [3:0] WAD, - (* abc_scc_break *) input WRE, input WCK, input [3:0] RAD, + /* (* abc_arrival=<TODO> *) */ output [3:0] DO ); parameter WCKMUX = "WCK"; diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc index 5d8f9584a..0a3dcc62c 100644 --- a/techlibs/ecp5/synth_ecp5.cc +++ b/techlibs/ecp5/synth_ecp5.cc @@ -310,12 +310,17 @@ struct SynthEcp5Pass : public ScriptPass if (abc2 || help_mode) { run("abc", " (only if -abc2)"); } - run("techmap -map +/ecp5/latches_map.v"); + std::string techmap_args = "-map +/ecp5/latches_map.v"; + if (abc9) + techmap_args += " -map +/ecp5/abc_map.v -max_iter 1"; + run("techmap " + techmap_args); + if (abc9) { if (nowidelut) run("abc9 -lut +/ecp5/abc_5g_nowide.lut -box +/ecp5/abc_5g.box -W 200"); else run("abc9 -lut +/ecp5/abc_5g.lut -box +/ecp5/abc_5g.box -W 200"); + run("techmap -map +/ecp5/abc_unmap.v"); } else { if (nowidelut) run("abc -lut 4 -dress"); diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v index 2a7487f6b..8e5e0358e 100644 --- a/techlibs/ice40/cells_sim.v +++ b/techlibs/ice40/cells_sim.v @@ -2,6 +2,10 @@ `define SB_DFF_REG reg Q = 0 // `define SB_DFF_REG reg Q +`define ABC_ARRIVAL_HX(TIME) `ifdef ICE40_HX (* abc_arrival=TIME *) `endif +`define ABC_ARRIVAL_LP(TIME) `ifdef ICE40_LP (* abc_arrival=TIME *) `endif +`define ABC_ARRIVAL_U(TIME) `ifdef ICE40_U (* abc_arrival=TIME *) `endif + // SiliconBlue IO Cells module SB_IO ( @@ -169,20 +173,42 @@ module \$__ICE40_CARRY_WRAPPER ( ); endmodule +// Max delay from: https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90 +// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90 +// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102 + // Positive Edge SiliconBlue FF Cells -module SB_DFF (output `SB_DFF_REG, input C, D); +module SB_DFF ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, D +); always @(posedge C) Q <= D; endmodule -module SB_DFFE (output `SB_DFF_REG, input C, E, D); +module SB_DFFE ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, D +); always @(posedge C) if (E) Q <= D; endmodule -module SB_DFFSR (output `SB_DFF_REG, input C, R, D); +module SB_DFFSR ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, R, D +); always @(posedge C) if (R) Q <= 0; @@ -190,7 +216,13 @@ module SB_DFFSR (output `SB_DFF_REG, input C, R, D); Q <= D; endmodule -module SB_DFFR (output `SB_DFF_REG, input C, R, D); +module SB_DFFR ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, R, D +); always @(posedge C, posedge R) if (R) Q <= 0; @@ -198,7 +230,13 @@ module SB_DFFR (output `SB_DFF_REG, input C, R, D); Q <= D; endmodule -module SB_DFFSS (output `SB_DFF_REG, input C, S, D); +module SB_DFFSS ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, S, D +); always @(posedge C) if (S) Q <= 1; @@ -206,7 +244,13 @@ module SB_DFFSS (output `SB_DFF_REG, input C, S, D); Q <= D; endmodule -module SB_DFFS (output `SB_DFF_REG, input C, S, D); +module SB_DFFS ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, S, D +); always @(posedge C, posedge S) if (S) Q <= 1; @@ -214,7 +258,13 @@ module SB_DFFS (output `SB_DFF_REG, input C, S, D); Q <= D; endmodule -module SB_DFFESR (output `SB_DFF_REG, input C, E, R, D); +module SB_DFFESR ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, R, D +); always @(posedge C) if (E) begin if (R) @@ -224,7 +274,13 @@ module SB_DFFESR (output `SB_DFF_REG, input C, E, R, D); end endmodule -module SB_DFFER (output `SB_DFF_REG, input C, E, R, D); +module SB_DFFER ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, R, D +); always @(posedge C, posedge R) if (R) Q <= 0; @@ -232,7 +288,13 @@ module SB_DFFER (output `SB_DFF_REG, input C, E, R, D); Q <= D; endmodule -module SB_DFFESS (output `SB_DFF_REG, input C, E, S, D); +module SB_DFFESS ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, S, D +); always @(posedge C) if (E) begin if (S) @@ -242,7 +304,13 @@ module SB_DFFESS (output `SB_DFF_REG, input C, E, S, D); end endmodule -module SB_DFFES (output `SB_DFF_REG, input C, E, S, D); +module SB_DFFES ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, S, D +); always @(posedge C, posedge S) if (S) Q <= 1; @@ -252,18 +320,36 @@ endmodule // Negative Edge SiliconBlue FF Cells -module SB_DFFN (output `SB_DFF_REG, input C, D); +module SB_DFFN ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, D +); always @(negedge C) Q <= D; endmodule -module SB_DFFNE (output `SB_DFF_REG, input C, E, D); +module SB_DFFNE ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, D +); always @(negedge C) if (E) Q <= D; endmodule -module SB_DFFNSR (output `SB_DFF_REG, input C, R, D); +module SB_DFFNSR ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, R, D +); always @(negedge C) if (R) Q <= 0; @@ -271,7 +357,13 @@ module SB_DFFNSR (output `SB_DFF_REG, input C, R, D); Q <= D; endmodule -module SB_DFFNR (output `SB_DFF_REG, input C, R, D); +module SB_DFFNR ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, R, D +); always @(negedge C, posedge R) if (R) Q <= 0; @@ -279,7 +371,13 @@ module SB_DFFNR (output `SB_DFF_REG, input C, R, D); Q <= D; endmodule -module SB_DFFNSS (output `SB_DFF_REG, input C, S, D); +module SB_DFFNSS ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, S, D +); always @(negedge C) if (S) Q <= 1; @@ -287,7 +385,13 @@ module SB_DFFNSS (output `SB_DFF_REG, input C, S, D); Q <= D; endmodule -module SB_DFFNS (output `SB_DFF_REG, input C, S, D); +module SB_DFFNS ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, S, D +); always @(negedge C, posedge S) if (S) Q <= 1; @@ -295,7 +399,13 @@ module SB_DFFNS (output `SB_DFF_REG, input C, S, D); Q <= D; endmodule -module SB_DFFNESR (output `SB_DFF_REG, input C, E, R, D); +module SB_DFFNESR ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, R, D +); always @(negedge C) if (E) begin if (R) @@ -305,7 +415,13 @@ module SB_DFFNESR (output `SB_DFF_REG, input C, E, R, D); end endmodule -module SB_DFFNER (output `SB_DFF_REG, input C, E, R, D); +module SB_DFFNER ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, R, D +); always @(negedge C, posedge R) if (R) Q <= 0; @@ -313,7 +429,13 @@ module SB_DFFNER (output `SB_DFF_REG, input C, E, R, D); Q <= D; endmodule -module SB_DFFNESS (output `SB_DFF_REG, input C, E, S, D); +module SB_DFFNESS ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, S, D +); always @(negedge C) if (E) begin if (S) @@ -323,7 +445,13 @@ module SB_DFFNESS (output `SB_DFF_REG, input C, E, S, D); end endmodule -module SB_DFFNES (output `SB_DFF_REG, input C, E, S, D); +module SB_DFFNES ( + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output `SB_DFF_REG, + input C, E, S, D +); always @(negedge C, posedge S) if (S) Q <= 1; @@ -334,6 +462,9 @@ endmodule // SiliconBlue RAM Cells module SB_RAM40_4K ( + `ABC_ARRIVAL_HX(2146) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L401 + `ABC_ARRIVAL_LP(3163) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L401 + `ABC_ARRIVAL_U(1179) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L13026 output [15:0] RDATA, input RCLK, RCLKE, RE, input [10:0] RADDR, @@ -502,6 +633,9 @@ module SB_RAM40_4K ( endmodule module SB_RAM40_4KNR ( + `ABC_ARRIVAL_HX(2146) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L401 + `ABC_ARRIVAL_LP(3163) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L401 + `ABC_ARRIVAL_U(1179) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L13026 output [15:0] RDATA, input RCLKN, RCLKE, RE, input [10:0] RADDR, @@ -567,6 +701,9 @@ module SB_RAM40_4KNR ( endmodule module SB_RAM40_4KNW ( + `ABC_ARRIVAL_HX(2146) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L401 + `ABC_ARRIVAL_LP(3163) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L401 + `ABC_ARRIVAL_U(1179) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L13026 output [15:0] RDATA, input RCLK, RCLKE, RE, input [10:0] RADDR, @@ -632,6 +769,9 @@ module SB_RAM40_4KNW ( endmodule module SB_RAM40_4KNRNW ( + `ABC_ARRIVAL_HX(2146) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L401 + `ABC_ARRIVAL_LP(3163) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L401 + `ABC_ARRIVAL_U(1179) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L13026 output [15:0] RDATA, input RCLKN, RCLKE, RE, input [10:0] RADDR, @@ -700,7 +840,12 @@ endmodule module ICESTORM_LC ( input I0, I1, I2, I3, CIN, CLK, CEN, SR, - output LO, O, COUT + output LO, + `ABC_ARRIVAL_HX(540) + `ABC_ARRIVAL_LP(796) + `ABC_ARRIVAL_U(1391) + output O, + output COUT ); parameter [15:0] LUT_INIT = 0; @@ -1300,6 +1445,7 @@ module SB_MAC16 ( input ADDSUBTOP, ADDSUBBOT, input OHOLDTOP, OHOLDBOT, input CI, ACCUMCI, SIGNEXTIN, + //`ABC_ARRIVAL_U(1984) // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L13026 output [31:0] O, output CO, ACCUMCO, SIGNEXTOUT ); diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index a79c471c1..55aa72aa7 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -238,7 +238,14 @@ struct SynthIce40Pass : public ScriptPass { if (check_label("begin")) { - run("read_verilog -icells -lib +/ice40/cells_sim.v"); + std::string define; + if (device_opt == "lp") + define = "-D ICE40_LP"; + else if (device_opt == "u") + define = "-D ICE40_U"; + else + define = "-D ICE40_HX"; + run("read_verilog -icells " + define + " -lib +/ice40/cells_sim.v"); run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str())); run("proc"); } diff --git a/techlibs/xilinx/Makefile.inc b/techlibs/xilinx/Makefile.inc index 8996b20fa..2cf0e8e33 100644 --- a/techlibs/xilinx/Makefile.inc +++ b/techlibs/xilinx/Makefile.inc @@ -40,6 +40,9 @@ $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lut_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/mux_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/dsp_map.v)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/abc_map.v)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/abc_unmap.v)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/abc_model.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/abc_xc7.box)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/abc_xc7.lut)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/abc_xc7_nowide.lut)) diff --git a/techlibs/xilinx/abc_map.v b/techlibs/xilinx/abc_map.v new file mode 100644 index 000000000..0c85d6656 --- /dev/null +++ b/techlibs/xilinx/abc_map.v @@ -0,0 +1,123 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> + * 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 + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +// ============================================================================ + +module RAM32X1D ( + output DPO, SPO, + input D, + input WCLK, + input WE, + input A0, A1, A2, A3, A4, + input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4 +); + parameter INIT = 32'h0; + parameter IS_WCLK_INVERTED = 1'b0; + wire \$DPO , \$SPO ; + RAM32X1D #( + .INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED) + ) _TECHMAP_REPLACE_ ( + .DPO(\$DPO ), .SPO(\$SPO ), + .D(D), .WCLK(WCLK), .WE(WE), + .A0(A0), .A1(A1), .A2(A2), .A3(A3), .A4(A4), + .DPRA0(DPRA0), .DPRA1(DPRA1), .DPRA2(DPRA2), .DPRA3(DPRA3), .DPRA4(DPRA4) + ); + \$__ABC_LUT6 dpo (.A(\$DPO ), .S({1'b0, A0, A1, A2, A3, A4}), .Y(DPO)); + \$__ABC_LUT6 spo (.A(\$SPO ), .S({1'b0, A0, A1, A2, A3, A4}), .Y(SPO)); +endmodule + +module RAM64X1D ( + output DPO, SPO, + input D, + input WCLK, + input WE, + input A0, A1, A2, A3, A4, A5, + input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5 +); + parameter INIT = 64'h0; + parameter IS_WCLK_INVERTED = 1'b0; + wire \$DPO , \$SPO ; + RAM64X1D #( + .INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED) + ) _TECHMAP_REPLACE_ ( + .DPO(\$DPO ), .SPO(\$SPO ), + .D(D), .WCLK(WCLK), .WE(WE), + .A0(A0), .A1(A1), .A2(A2), .A3(A3), .A4(A4), .A5(A5), + .DPRA0(DPRA0), .DPRA1(DPRA1), .DPRA2(DPRA2), .DPRA3(DPRA3), .DPRA4(DPRA4), .DPRA5(DPRA5) + ); + \$__ABC_LUT6 dpo (.A(\$DPO ), .S({A0, A1, A2, A3, A4, A5}), .Y(DPO)); + \$__ABC_LUT6 spo (.A(\$SPO ), .S({A0, A1, A2, A3, A4, A5}), .Y(SPO)); +endmodule + +module RAM128X1D ( + output DPO, SPO, + input D, + input WCLK, + input WE, + input [6:0] A, DPRA +); + parameter INIT = 128'h0; + parameter IS_WCLK_INVERTED = 1'b0; + wire \$DPO , \$SPO ; + RAM128X1D #( + .INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED) + ) _TECHMAP_REPLACE_ ( + .DPO(\$DPO ), .SPO(\$SPO ), + .D(D), .WCLK(WCLK), .WE(WE), + .A(A), + .DPRA(DPRA) + ); + \$__ABC_LUT7 dpo (.A(\$DPO ), .S(A), .Y(DPO)); + \$__ABC_LUT7 spo (.A(\$SPO ), .S(A), .Y(SPO)); +endmodule + +module SRL16E ( + output Q, + input A0, A1, A2, A3, CE, CLK, D +); + parameter [15:0] INIT = 16'h0000; + parameter [0:0] IS_CLK_INVERTED = 1'b0; + wire \$Q ; + SRL16E #( + .INIT(INIT), .IS_CLK_INVERTED(IS_CLK_INVERTED) + ) _TECHMAP_REPLACE_ ( + .Q(\$Q ), + .A0(A0), .A1(A1), .A2(A2), .A3(A3), .CE(CE), .CLK(CLK), .D(D) + ); + \$__ABC_LUT6 q (.A(\$Q ), .S({1'b1, A0, A1, A2, A3, 1'b1}), .Y(Q)); +endmodule + +module SRLC32E ( + output Q, + output Q31, + input [4:0] A, + input CE, CLK, D +); + parameter [31:0] INIT = 32'h00000000; + parameter [0:0] IS_CLK_INVERTED = 1'b0; + wire \$Q ; + SRLC32E #( + .INIT(INIT), .IS_CLK_INVERTED(IS_CLK_INVERTED) + ) _TECHMAP_REPLACE_ ( + .Q(\$Q ), .Q31(Q31), + .A(A), .CE(CE), .CLK(CLK), .D(D) + ); + \$__ABC_LUT6 q (.A(\$Q ), .S({1'b1, A}), .Y(Q)); +endmodule diff --git a/techlibs/xilinx/abc_model.v b/techlibs/xilinx/abc_model.v new file mode 100644 index 000000000..655b993f6 --- /dev/null +++ b/techlibs/xilinx/abc_model.v @@ -0,0 +1,34 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> + * 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 + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +// ============================================================================ + +(* abc_box_id = 3, lib_whitebox *) +module \$__XILINX_MUXF78 (output O, input I0, I1, I2, I3, S0, S1); + assign O = S1 ? (S0 ? I3 : I2) + : (S0 ? I1 : I0); +endmodule + +(* abc_box_id=2000 *) +module \$__ABC_LUT6 (input A, input [5:0] S, output Y); +endmodule +(* abc_box_id=2001 *) +module \$__ABC_LUT7 (input A, input [6:0] S, output Y); +endmodule diff --git a/techlibs/xilinx/abc_unmap.v b/techlibs/xilinx/abc_unmap.v new file mode 100644 index 000000000..f101a22d0 --- /dev/null +++ b/techlibs/xilinx/abc_unmap.v @@ -0,0 +1,28 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> + * 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 + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +// ============================================================================ + +module \$__ABC_LUT6 (input A, input [5:0] S, output Y); + assign Y = A; +endmodule +module \$__ABC_LUT7 (input A, input [6:0] S, output Y); + assign Y = A; +endmodule diff --git a/techlibs/xilinx/abc_xc7.box b/techlibs/xilinx/abc_xc7.box index 3789ff350..20da3b8a0 100644 --- a/techlibs/xilinx/abc_xc7.box +++ b/techlibs/xilinx/abc_xc7.box @@ -1,4 +1,5 @@ # Max delays from https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf +# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf # NB: Inputs/Outputs must be ordered alphabetically # (with exceptions for carry in/out) @@ -14,6 +15,10 @@ F7MUX 1 1 3 1 MUXF8 2 1 3 1 104 94 273 +# Box containing MUXF7.[AB] + MUXF8, +# Necessary to make these an atomic unit so that +# ABC cannot optimise just one of the MUXF7 away +# and expect to save on its delay # Inputs: I0 I1 I2 I3 S0 S1 # Outputs: O $__MUXF78 3 1 6 1 @@ -37,22 +42,20 @@ CARRY4 4 1 10 8 580 526 507 398 385 508 528 378 380 114 # SLICEM/A6LUT -# Inputs: A0 A1 A2 A3 A4 D DPRA0 DPRA1 DPRA2 DPRA3 DPRA4 WCLK WE +# Box to emulate comb/seq behaviour of RAMD{32,64} and SRL{16,32} +# Necessary since RAMD* and SRL* have both combinatorial (i.e. +# same-cycle read operation) and sequential (write operation +# is only committed on the next clock edge). +# To model the combinatorial path, such cells have to be split +# into comb and seq parts, with this box modelling only the former. +# Inputs: A S0 S1 S2 S3 S4 S5 +# Outputs: Y +$__ABC_LUT6 2000 0 7 1 +0 642 631 472 407 238 127 + +# SLICEM/A6LUT + F7BMUX +# Box to emulate comb/seq behaviour of RAMD128 +# Inputs: A S0 S1 S2 S3 S4 S5 S6 # Outputs: DPO SPO -RAM32X1D 5 0 13 2 -- - - - - - 631 472 407 238 127 - - -631 472 407 238 127 - - - - - - - - - -# SLICEM/A6LUT -# Inputs: A0 A1 A2 A3 A4 A5 D DPRA0 DPRA1 DPRA2 DPRA3 DPRA4 DPRA5 WCLK WE -# Outputs: DPO SPO -RAM64X1D 6 0 15 2 -- - - - - - - 642 631 472 407 238 127 - - -642 631 472 407 238 127 - - - - - - - - - - -# SLICEM/A6LUT + F7[AB]MUX -# Inputs: A0 A1 A2 A3 A4 A5 A6 D DPRA0 DPRA1 DPRA2 DPRA3 DPRA4 DPRA5 DPRA6 WCLK WE -# Outputs: DPO SPO -RAM128X1D 7 0 17 2 -- - - - - - - - 1009 998 839 774 605 494 450 - - -1047 1036 877 812 643 532 478 - - - - - - - - - - +$__ABC_LUT7 2001 0 8 1 +0 1047 1036 877 812 643 532 478 diff --git a/techlibs/xilinx/cells_map.v b/techlibs/xilinx/cells_map.v index b8e5bafc7..a15884ec4 100644 --- a/techlibs/xilinx/cells_map.v +++ b/techlibs/xilinx/cells_map.v @@ -331,7 +331,6 @@ module \$_MUX16_ (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, S, T, U, V, Y) endmodule `endif -`ifndef _ABC module \$__XILINX_MUXF78 (O, I0, I1, I2, I3, S0, S1); output O; input I0, I1, I2, I3, S0, S1; @@ -364,4 +363,3 @@ module \$__XILINX_MUXF78 (O, I0, I1, I2, I3, S0, S1); else MUXF8 mux8 (.I0(T0), .I1(T1), .S(S1), .O(O)); endmodule -`endif diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index 289742808..ed421f85e 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -184,14 +184,6 @@ module MUXF8(output O, input I0, I1, S); assign O = S ? I1 : I0; endmodule -`ifdef _ABC -(* abc_box_id = 3, lib_whitebox *) -module \$__XILINX_MUXF78 (output O, input I0, I1, I2, I3, S0, S1); - assign O = S1 ? (S0 ? I3 : I2) - : (S0 ? I1 : I0); -endmodule -`endif - module XORCY(output O, input CI, LI); assign O = CI ^ LI; endmodule @@ -236,7 +228,15 @@ endmodule `endif -module FDRE (output reg Q, (* clkbuf_sink *) input C, input CE, D, R); +// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L238-L250 + +module FDRE ( + (* abc_arrival=303 *) + output reg Q, + (* clkbuf_sink *) + input C, + input CE, D, R +); parameter [0:0] INIT = 1'b0; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -248,7 +248,13 @@ module FDRE (output reg Q, (* clkbuf_sink *) input C, input CE, D, R); endcase endgenerate endmodule -module FDSE (output reg Q, (* clkbuf_sink *) input C, input CE, D, S); +module FDSE ( + (* abc_arrival=303 *) + output reg Q, + (* clkbuf_sink *) + input C, + input CE, D, S +); parameter [0:0] INIT = 1'b1; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -260,7 +266,13 @@ module FDSE (output reg Q, (* clkbuf_sink *) input C, input CE, D, S); endcase endgenerate endmodule -module FDCE (output reg Q, (* clkbuf_sink *) input C, input CE, D, CLR); +module FDCE ( + (* abc_arrival=303 *) + output reg Q, + (* clkbuf_sink *) + input C, + input CE, D, CLR +); parameter [0:0] INIT = 1'b0; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -274,7 +286,13 @@ module FDCE (output reg Q, (* clkbuf_sink *) input C, input CE, D, CLR); endcase endgenerate endmodule -module FDPE (output reg Q, (* clkbuf_sink *) input C, input CE, D, PRE); +module FDPE ( + (* abc_arrival=303 *) + output reg Q, + (* clkbuf_sink *) + input C, + input CE, D, PRE +); parameter [0:0] INIT = 1'b1; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -288,38 +306,61 @@ module FDPE (output reg Q, (* clkbuf_sink *) input C, input CE, D, PRE); endcase endgenerate endmodule -module FDRE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, R); +module FDRE_1 ( + (* abc_arrival=303 *) + output reg Q, + (* clkbuf_sink *) + input C, + input CE, D, R +); parameter [0:0] INIT = 1'b0; initial Q <= INIT; always @(negedge C) if (R) Q <= 1'b0; else if(CE) Q <= D; endmodule -module FDSE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, S); +module FDSE_1 ( + (* abc_arrival=303 *) + output reg Q, + (* clkbuf_sink *) + input C, + input CE, D, S +); parameter [0:0] INIT = 1'b1; initial Q <= INIT; always @(negedge C) if (S) Q <= 1'b1; else if(CE) Q <= D; endmodule -module FDCE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, CLR); +module FDCE_1 ( + (* abc_arrival=303 *) + output reg Q, + (* clkbuf_sink *) + input C, + input CE, D, CLR +); parameter [0:0] INIT = 1'b0; initial Q <= INIT; always @(negedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D; endmodule -module FDPE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, PRE); +module FDPE_1 ( + (* abc_arrival=303 *) + output reg Q, + (* clkbuf_sink *) + input C, + input CE, D, PRE +); parameter [0:0] INIT = 1'b1; initial Q <= INIT; always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D; endmodule -(* abc_box_id = 5 *) module RAM32X1D ( + // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957 + (* abc_arrival=1153 *) output DPO, SPO, - (* abc_scc_break *) input D, (* clkbuf_sink *) input WCLK, - (* abc_scc_break *) input WE, input A0, A1, A2, A3, A4, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4 @@ -335,14 +376,13 @@ module RAM32X1D ( always @(posedge clk) if (WE) mem[a] <= D; endmodule -(* abc_box_id = 6 *) module RAM64X1D ( + // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957 + (* abc_arrival=1153 *) output DPO, SPO, - (* abc_scc_break *) input D, (* clkbuf_sink *) input WCLK, - (* abc_scc_break *) input WE, input A0, A1, A2, A3, A4, A5, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5 @@ -358,14 +398,13 @@ module RAM64X1D ( always @(posedge clk) if (WE) mem[a] <= D; endmodule -(* abc_box_id = 7 *) module RAM128X1D ( - output DPO, SPO, - (* abc_scc_break *) + // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957 + (* abc_arrival=1153 *) + output DPO, SPO, input D, (* clkbuf_sink *) input WCLK, - (* abc_scc_break *) input WE, input [6:0] A, DPRA ); @@ -379,6 +418,8 @@ module RAM128X1D ( endmodule module SRL16E ( + // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904-L905 + (* abc_arrival=1472 *) output Q, input A0, A1, A2, A3, CE, (* clkbuf_sink *) @@ -423,7 +464,10 @@ module SRLC16E ( endmodule module SRLC32E ( + // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904-L905 + (* abc_arrival=1472 *) output Q, + (* abc_arrival=1114 *) output Q31, input [4:0] A, input CE, diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 5af27dea8..95b2c4040 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -275,9 +275,9 @@ struct SynthXilinxPass : public ScriptPass { if (check_label("begin")) { if (vpr) - run("read_verilog -lib -icells -D _ABC -D_EXPLICIT_CARRY +/xilinx/cells_sim.v"); + run("read_verilog -lib -D_EXPLICIT_CARRY +/xilinx/cells_sim.v"); else - run("read_verilog -lib -icells -D _ABC +/xilinx/cells_sim.v"); + run("read_verilog -lib +/xilinx/cells_sim.v"); run("read_verilog -lib +/xilinx/cells_xtra.v"); @@ -429,7 +429,7 @@ struct SynthXilinxPass : public ScriptPass } if (check_label("map_cells")) { - std::string techmap_args = "-map +/techmap.v -D _ABC -map +/xilinx/cells_map.v"; + std::string techmap_args = "-map +/techmap.v -map +/xilinx/cells_map.v"; if (widemux > 0) techmap_args += stringf(" -D MIN_MUX_INPUTS=%d", widemux); run("techmap " + techmap_args); @@ -449,10 +449,12 @@ struct SynthXilinxPass : public ScriptPass if (flatten_before_abc) run("flatten"); if (help_mode) - run("abc -luts 2:2,3,6:5[,10,20] [-dff]", "(option for 'nowidelut', option for '-retime')"); + run("abc -luts 2:2,3,6:5[,10,20] [-dff]", "(option for 'nowidelut'; option for '-retime')"); else if (abc9) { if (family != "xc7") log_warning("'synth_xilinx -abc9' currently supports '-family xc7' only.\n"); + run("techmap -map +/xilinx/abc_map.v -max_iter 1"); + run("read_verilog -icells -lib +/xilinx/abc_model.v"); if (nowidelut) run("abc9 -lut +/xilinx/abc_xc7_nowide.lut -box +/xilinx/abc_xc7.box -W " + std::to_string(XC7_WIRE_DELAY)); else @@ -470,14 +472,15 @@ struct SynthXilinxPass : public ScriptPass // has performed any necessary retiming if (!nosrl || help_mode) run("xilinx_srl -fixed -minlen 3", "(skip if '-nosrl')"); - std::string techmap_args = "-map +/xilinx/lut_map.v -map +/xilinx/cells_map.v"; if (help_mode) - techmap_args += " [-map +/xilinx/ff_map.v]"; - else if (!abc9) - techmap_args += " -map +/xilinx/ff_map.v"; + techmap_args += " [-map +/xilinx/ff_map.v]"; + else if (abc9) + techmap_args += " -map +/xilinx/abc_unmap.v"; + else + techmap_args += " -map +/xilinx/ff_map.v"; run("techmap " + techmap_args); - if (!abc9) + if (!abc9 || help_mode) run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT", "(without '-abc9' only)"); run("clean"); diff --git a/techlibs/xilinx/xc7_brams_bb.v b/techlibs/xilinx/xc7_brams_bb.v index a43b4b5a1..5b40a457d 100644 --- a/techlibs/xilinx/xc7_brams_bb.v +++ b/techlibs/xilinx/xc7_brams_bb.v @@ -1,3 +1,5 @@ +// Max delays from https://github.com/SymbiFlow/prjxray-db/blob/f8e0364116b2983ac72a3dc8c509ea1cc79e2e3d/artix7/timings/BRAM_L.sdf#L138-L147 + module RAMB18E1 ( (* clkbuf_sink *) input CLKARDCLK, @@ -21,9 +23,13 @@ module RAMB18E1 ( input [1:0] WEA, input [3:0] WEBWE, + (* abc_arrival=2454 *) output [15:0] DOADO, + (* abc_arrival=2454 *) output [15:0] DOBDO, + (* abc_arrival=2454 *) output [1:0] DOPADOP, + (* abc_arrival=2454 *) output [1:0] DOPBDOP ); parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; @@ -147,9 +153,13 @@ module RAMB36E1 ( input [3:0] WEA, input [7:0] WEBWE, + (* abc_arrival=2454 *) output [31:0] DOADO, + (* abc_arrival=2454 *) output [31:0] DOBDO, + (* abc_arrival=2454 *) output [3:0] DOPADOP, + (* abc_arrival=2454 *) output [3:0] DOPBDOP ); parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; diff --git a/tests/various/abc9.v b/tests/various/abc9.v index a08b613a8..30ebd4e26 100644 --- a/tests/various/abc9.v +++ b/tests/various/abc9.v @@ -5,5 +5,7 @@ always @* endmodule module abc9_test028(input i, output o); -unknown u(~i, o); +wire w; +unknown u(~i, w); +unknown2 u2(w, o); endmodule |