From da487c4f31fd2d97c0d7110010e7379e5445ceb0 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 15 Jun 2019 09:08:18 -0700 Subject: For now, short $_DFF_[NP]_ from ff_map.v at re-integration --- passes/techmap/abc9.cc | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index f7f2e862a..69b0c1192 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -511,6 +511,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri // Remove all AND, NOT, and ABC box instances // in preparation for stitching mapped_mod in + // Short $_DFF_[NP]_ cells used by ABC (FIXME) dict erased_boxes; for (auto it = module->cells_.begin(); it != module->cells_.end(); ) { RTLIL::Cell* cell = it->second; @@ -518,6 +519,13 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri it = module->cells_.erase(it); continue; } + else if (cell->type.in("$_DFF_N_", "$_DFF_P_")) { + SigBit D = cell->getPort("\\D"); + SigBit Q = cell->getPort("\\Q"); + module->connect(Q, D); + 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))); -- cgit v1.2.3 From ac18a76bebad001fc3e617a7cefebe13610abcb8 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 15 Jun 2019 09:34:48 -0700 Subject: Map to $_FF_ instead of $_DFF_P_ to prevent recursion issues --- passes/techmap/abc9.cc | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 69b0c1192..4bb4058b1 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -242,7 +242,7 @@ struct abc_output_filter }; void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, - bool cleanup, vector lut_costs, bool dff_mode, std::string clk_str, + bool cleanup, vector lut_costs, bool retime_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) @@ -285,7 +285,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri clk_sig = assign_map(RTLIL::SigSpec(module->wires_.at(RTLIL::escape_id(clk_str)), 0)); } - if (dff_mode && clk_sig.empty()) + if (retime_mode && clk_sig.empty()) log_cmd_error("Clock domain %s not found.\n", clk_str.c_str()); std::string tempdir_name = "/tmp/yosys-abc-XXXXXX"; @@ -359,7 +359,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri fprintf(f, "%s\n", abc_script.c_str()); fclose(f); - if (dff_mode || !clk_str.empty()) + if (retime_mode || !clk_str.empty()) { if (clk_sig.size() == 0) log("No%s clock domain found. Not extracting any FF cells.\n", clk_str.empty() ? "" : " matching"); @@ -511,7 +511,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri // Remove all AND, NOT, and ABC box instances // in preparation for stitching mapped_mod in - // Short $_DFF_[NP]_ cells used by ABC (FIXME) + // Short $_FF_ cells used by ABC (FIXME) dict erased_boxes; for (auto it = module->cells_.begin(); it != module->cells_.end(); ) { RTLIL::Cell* cell = it->second; @@ -519,7 +519,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri it = module->cells_.erase(it); continue; } - else if (cell->type.in("$_DFF_N_", "$_DFF_P_")) { + else if (cell->type.in("$_FF_")) { SigBit D = cell->getPort("\\D"); SigBit Q = cell->getPort("\\Q"); module->connect(Q, D); @@ -842,7 +842,7 @@ struct Abc9Pass : public Pass { #endif std::string script_file, clk_str, box_file, lut_file; std::string delay_target, lutin_shared = "-S 1", wire_delay; - bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true; + bool fast_mode = false, retime_mode = false, keepff = false, cleanup = true; bool show_tempdir = false; vector lut_costs; markgroups = false; @@ -933,13 +933,13 @@ struct Abc9Pass : public Pass { fast_mode = true; continue; } - //if (arg == "-dff") { - // dff_mode = true; - // continue; - //} + if (arg == "-retime") { + retime_mode = true; + continue; + } //if (arg == "-clk" && argidx+1 < args.size()) { // clk_str = args[++argidx]; - // dff_mode = true; + // retime_mode = true; // continue; //} //if (arg == "-keepff") { @@ -1003,8 +1003,8 @@ 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, + if (!retime_mode || !clk_str.empty()) { + abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, retime_mode, clk_str, keepff, delay_target, lutin_shared, fast_mode, show_tempdir, box_file, lut_file, wire_delay); continue; -- cgit v1.2.3 From a76c8a7ffdfb879971c8c3d1b1f7e8392ddf2c91 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 15 Jun 2019 09:46:35 -0700 Subject: Fix initialisation of flops --- passes/techmap/abc9.cc | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 4bb4058b1..51bea4d57 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -520,8 +520,9 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri continue; } else if (cell->type.in("$_FF_")) { - SigBit D = cell->getPort("\\D"); - SigBit Q = cell->getPort("\\Q"); + RTLIL::Wire *D = cell->getPort("\\D").as_wire(); + RTLIL::Wire *Q = cell->getPort("\\Q").as_wire(); + Q->attributes.swap(D->attributes); module->connect(Q, D); it = module->cells_.erase(it); continue; -- cgit v1.2.3 From c2f3f116d041b97b0d8b6ed28c87810bf6c2630e Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 15 Jun 2019 18:16:14 -0700 Subject: Use $__ABC_FF_ instead of $_FF_ --- passes/techmap/abc9.cc | 34 +++++++++++++++++++++------------- 1 file changed, 21 insertions(+), 13 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 51bea4d57..cedbc9273 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -399,6 +399,9 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri //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); +#if 0 + Pass::call(design, stringf("write_verilog -noexpr -norename %s/before.xaig", tempdir_name.c_str())); +#endif Pass::call(design, stringf("write_xaiger -map %s/input.sym %s/input.xaig", tempdir_name.c_str(), tempdir_name.c_str())); std::string buffer; @@ -513,25 +516,22 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri // in preparation for stitching mapped_mod in // Short $_FF_ cells used by ABC (FIXME) dict erased_boxes; + std::vector abc_dff; for (auto it = module->cells_.begin(); it != module->cells_.end(); ) { RTLIL::Cell* cell = it->second; if (cell->type.in("$_AND_", "$_NOT_")) { it = module->cells_.erase(it); continue; } - else if (cell->type.in("$_FF_")) { - RTLIL::Wire *D = cell->getPort("\\D").as_wire(); - RTLIL::Wire *Q = cell->getPort("\\Q").as_wire(); - Q->attributes.swap(D->attributes); - module->connect(Q, D); - 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; + if (cell->type.in("$__ABC_FF_")) + abc_dff.emplace_back(cell); + else { + 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; } @@ -671,6 +671,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri int in_wires = 0, out_wires = 0; // Stitch in mapped_mod's inputs/outputs into module + // TODO: iterate using ports for (auto &it : mapped_mod->wires_) { RTLIL::Wire *w = it.second; if (!w->port_input && !w->port_output) @@ -697,6 +698,13 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } } + for (auto cell : abc_dff) { + RTLIL::SigBit D = cell->getPort("\\D"); + RTLIL::SigBit Q = cell->getPort("\\Q"); + module->connect(Q, D); + module->remove(cell); + } + //log("ABC RESULTS: internal signals: %8d\n", int(signal_list.size()) - in_wires - out_wires); log("ABC RESULTS: input signals: %8d\n", in_wires); log("ABC RESULTS: output signals: %8d\n", out_wires); -- cgit v1.2.3 From cdfb634977b3ee005c5635f7902ea21dd45f7311 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 15 Jun 2019 18:18:56 -0700 Subject: Cleanup --- passes/techmap/abc9.cc | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index cedbc9273..e13cd0eef 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -671,26 +671,23 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri int in_wires = 0, out_wires = 0; // Stitch in mapped_mod's inputs/outputs into module - // TODO: iterate using ports - for (auto &it : mapped_mod->wires_) { - RTLIL::Wire *w = it.second; - if (!w->port_input && !w->port_output) - continue; - RTLIL::Wire *wire = module->wire(w->name); + for (auto port_name : mapped_mod->ports) { + RTLIL::Wire *port = mapped_mod->wire(port_name); + log_assert(port); + RTLIL::Wire *wire = module->wire(port->name); log_assert(wire); - RTLIL::Wire *remap_wire = module->wire(remap_name(w->name)); + RTLIL::Wire *remap_wire = module->wire(remap_name(port->name)); 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); RTLIL::SigSig conn; - if (w->port_input) { + if (port->port_input) { conn.first = remap_wire; conn.second = signal; in_wires++; module->connect(conn); } - if (w->port_output) { + if (port->port_output) { conn.first = signal; conn.second = remap_wire; out_wires++; -- cgit v1.2.3 From 2309459605b262040f7bea84e6d935d2838686d5 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 15 Jun 2019 19:36:55 -0700 Subject: Do not treat $__ABC_FF_ as a user cell --- passes/techmap/abc9.cc | 27 ++++++--------------------- 1 file changed, 6 insertions(+), 21 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index e13cd0eef..decf5a6aa 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -512,26 +512,18 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } } - // Remove all AND, NOT, and ABC box instances - // in preparation for stitching mapped_mod in - // Short $_FF_ cells used by ABC (FIXME) dict erased_boxes; - std::vector abc_dff; for (auto it = module->cells_.begin(); it != module->cells_.end(); ) { RTLIL::Cell* cell = it->second; - if (cell->type.in("$_AND_", "$_NOT_")) { + if (cell->type.in("$_AND_", "$_NOT_", "$__ABC_FF_")) { it = module->cells_.erase(it); continue; } - if (cell->type.in("$__ABC_FF_")) - abc_dff.emplace_back(cell); - else { - RTLIL::Module* box_module = design->module(cell->type); - if (box_module && box_module->attributes.count("\\abc_box_id")) { - erased_boxes.insert(std::make_pair(it->first, std::move(cell->parameters))); - it = module->cells_.erase(it); - continue; - } + RTLIL::Module* box_module = design->module(cell->type); + if (box_module && box_module->attributes.count("\\abc_box_id")) { + erased_boxes.insert(std::make_pair(it->first, std::move(cell->parameters))); + it = module->cells_.erase(it); + continue; } ++it; } @@ -695,13 +687,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } } - for (auto cell : abc_dff) { - RTLIL::SigBit D = cell->getPort("\\D"); - RTLIL::SigBit Q = cell->getPort("\\Q"); - module->connect(Q, D); - module->remove(cell); - } - //log("ABC RESULTS: internal signals: %8d\n", int(signal_list.size()) - in_wires - out_wires); log("ABC RESULTS: input signals: %8d\n", in_wires); log("ABC RESULTS: output signals: %8d\n", out_wires); -- cgit v1.2.3 From 416312b9ed027b062c4e043b6265b73b25eb299a Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 15 Jun 2019 22:44:45 -0700 Subject: abc9 to recover_init by default --- passes/techmap/abc9.cc | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index decf5a6aa..aea5e478d 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -67,7 +67,6 @@ SigMap assign_map; RTLIL::Module *module; std::map signal_map; std::map signal_init; -bool recover_init; bool clk_polarity, en_polarity; RTLIL::SigSpec clk_sig, en_sig; @@ -253,7 +252,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri signal_map.clear(); pi_map.clear(); po_map.clear(); - recover_init = false; if (clk_str != "$") { @@ -510,6 +508,12 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri for (int i = 0; i < GetSize(wire); i++) output_bits.insert({wire, i}); } + + auto jt = w->attributes.find("\\init"); + if (jt != w->attributes.end()) { + auto r = remap_wire->attributes.insert(std::make_pair("\\init", jt->second)); + log_assert(r.second); + } } dict erased_boxes; @@ -649,15 +653,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri module->connect(conn); } - if (recover_init) - for (auto wire : mapped_mod->wires()) { - if (wire->attributes.count("\\init")) { - Wire *w = module->wires_[remap_name(wire->name)]; - log_assert(w->attributes.count("\\init") == 0); - w->attributes["\\init"] = wire->attributes.at("\\init"); - } - } - 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; -- cgit v1.2.3 From 3ed95dae8d7661256003f5294f6aa7168b87c5a8 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 15 Jun 2019 22:48:16 -0700 Subject: Cleanup --- passes/techmap/abc9.cc | 47 +++++++---------------------------------------- 1 file changed, 7 insertions(+), 40 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index aea5e478d..4e7bdfa8f 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -65,12 +65,9 @@ bool markgroups; int map_autoidx; SigMap assign_map; RTLIL::Module *module; -std::map signal_map; -std::map signal_init; bool clk_polarity, en_polarity; RTLIL::SigSpec clk_sig, en_sig; -dict pi_map, po_map; std::string remap_name(RTLIL::IdString abc_name) { @@ -227,13 +224,13 @@ struct abc_output_filter void next_line(const std::string &line) { - int pi, po; - if (sscanf(line.c_str(), "Start-point = pi%d. End-point = po%d.", &pi, &po) == 2) { - log("ABC: Start-point = pi%d (%s). End-point = po%d (%s).\n", - pi, pi_map.count(pi) ? pi_map.at(pi).c_str() : "???", - po, po_map.count(po) ? po_map.at(po).c_str() : "???"); - return; - } + //int pi, po; + //if (sscanf(line.c_str(), "Start-point = pi%d. End-point = po%d.", &pi, &po) == 2) { + // log("ABC: Start-point = pi%d (%s). End-point = po%d (%s).\n", + // pi, pi_map.count(pi) ? pi_map.at(pi).c_str() : "???", + // po, po_map.count(po) ? po_map.at(po).c_str() : "???"); + // return; + //} for (char ch : line) next_char(ch); @@ -249,10 +246,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri module = current_module; map_autoidx = autoidx++; - signal_map.clear(); - pi_map.clear(); - po_map.clear(); - if (clk_str != "$") { clk_polarity = true; @@ -816,10 +809,6 @@ struct Abc9Pass : public Pass { log_push(); assign_map.clear(); - signal_map.clear(); - signal_init.clear(); - pi_map.clear(); - po_map.clear(); #ifdef ABCEXTERNAL std::string exe_file = ABCEXTERNAL; @@ -970,24 +959,6 @@ struct Abc9Pass : public Pass { } assign_map.set(mod); - signal_init.clear(); - - for (Wire *wire : mod->wires()) - if (wire->attributes.count("\\init")) { - SigSpec initsig = assign_map(wire); - Const initval = wire->attributes.at("\\init"); - for (int i = 0; i < GetSize(initsig) && i < GetSize(initval); i++) - switch (initval[i]) { - case State::S0: - signal_init[initsig[i]] = State::S0; - break; - case State::S1: - signal_init[initsig[i]] = State::S0; - break; - default: - break; - } - } if (!retime_mode || !clk_str.empty()) { abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, retime_mode, clk_str, keepff, @@ -1146,10 +1117,6 @@ struct Abc9Pass : public Pass { Pass::call(design, "clean"); assign_map.clear(); - signal_map.clear(); - signal_init.clear(); - pi_map.clear(); - po_map.clear(); log_pop(); } -- cgit v1.2.3 From d80678e581899315791706ee1703bf700b0f9c15 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 17 Jun 2019 15:10:33 -0700 Subject: Cleanup --- passes/techmap/abc9.cc | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 776bceb3b..f56350b1d 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -527,7 +527,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } RTLIL::Module* box_module = design->module(cell->type); if (box_module && box_module->attributes.count("\\abc_box_id")) - boxes.emplace_back(it->second); + boxes.emplace_back(cell); ++it; } @@ -629,8 +629,8 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } } - for (auto cell : boxes) - module->remove(cell); + for (auto cell : boxes) + module->remove(cell); // Copy connections (and rename) from mapped_mod to module for (auto conn : mapped_mod->connections()) { -- cgit v1.2.3 From ef757002dbc8280a65d25618e57b20d3dbadd64a Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 1 Jul 2019 10:55:24 -0700 Subject: Also remove $__ABC_FF_ --- passes/techmap/abc9.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 2eee43739..30df8e3ef 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -566,7 +566,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri vector boxes; for (const auto &it : module->cells_) { auto cell = it.second; - if (cell->type.in("$_AND_", "$_NOT_")) { + if (cell->type.in("$_AND_", "$_NOT_", "$__ABC_FF_")) { module->remove(cell); continue; } -- cgit v1.2.3 From 71acd3ddcfc9083f23ee624de1c16be6b8dbe4d6 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Wed, 10 Jul 2019 18:57:44 -0700 Subject: Remove -retime from abc9, revert to abc behav with separate clock/en domains --- passes/techmap/abc9.cc | 90 ++++++++++++++++++++++++++++++++++---------------- 1 file changed, 61 insertions(+), 29 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 30df8e3ef..6e57ab7f3 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -285,7 +285,7 @@ struct abc_output_filter }; void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, - bool cleanup, vector lut_costs, bool retime_mode, std::string clk_str, + bool cleanup, vector lut_costs, bool /*retime_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) @@ -323,8 +323,8 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri clk_sig = assign_map(RTLIL::SigSpec(module->wires_.at(RTLIL::escape_id(clk_str)), 0)); } - if (retime_mode && clk_sig.empty()) - log_cmd_error("Clock domain %s not found.\n", clk_str.c_str()); + //if (retime_mode && clk_sig.empty()) + // log_cmd_error("Clock domain %s not found.\n", clk_str.c_str()); std::string tempdir_name = "/tmp/yosys-abc-XXXXXX"; if (!cleanup) @@ -397,7 +397,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri fprintf(f, "%s\n", abc_script.c_str()); fclose(f); - if (retime_mode || !clk_str.empty()) + if (/*retime_mode ||*/ !clk_str.empty()) { if (clk_sig.size() == 0) log("No%s clock domain found. Not extracting any FF cells.\n", clk_str.empty() ? "" : " matching"); @@ -874,7 +874,7 @@ struct Abc9Pass : public Pass { #endif std::string script_file, clk_str, box_file, lut_file; std::string delay_target, lutin_shared = "-S 1", wire_delay; - bool fast_mode = false, retime_mode = false, keepff = false, cleanup = true; + bool fast_mode = false, /*retime_mode = false,*/ keepff = false, cleanup = true; bool show_tempdir = false; vector lut_costs; markgroups = false; @@ -965,10 +965,10 @@ struct Abc9Pass : public Pass { fast_mode = true; continue; } - if (arg == "-retime") { - retime_mode = true; - continue; - } + //if (arg == "-retime") { + // retime_mode = true; + // continue; + //} //if (arg == "-clk" && argidx+1 < args.size()) { // clk_str = args[++argidx]; // retime_mode = true; @@ -1017,13 +1017,6 @@ struct Abc9Pass : public Pass { assign_map.set(mod); - if (!retime_mode || !clk_str.empty()) { - abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, retime_mode, clk_str, keepff, - delay_target, lutin_shared, fast_mode, show_tempdir, - box_file, lut_file, wire_delay); - continue; - } - CellTypes ct(design); std::vector all_cells = mod->selected_cells(); @@ -1040,8 +1033,10 @@ struct Abc9Pass : public Pass { std::map> cell_to_bit, cell_to_bit_up, cell_to_bit_down; std::map> bit_to_cell, bit_to_cell_up, bit_to_cell_down; - for (auto cell : all_cells) - { + pool seen_cells; + dict> flop_data; + + for (auto cell : all_cells) { clkdomain_t key; for (auto &conn : cell->connections()) @@ -1061,19 +1056,56 @@ struct Abc9Pass : public Pass { } } - if (cell->type == "$_DFF_N_" || cell->type == "$_DFF_P_") - { - key = clkdomain_t(cell->type == "$_DFF_P_", assign_map(cell->getPort("\\C")), true, RTLIL::SigSpec()); + decltype(flop_data)::iterator it; + if (seen_cells.insert(cell->type).second) { + RTLIL::Module* inst_module = design->module(cell->type); + if (!inst_module) + continue; + + if (!inst_module->attributes.count("\\abc_flop")) + continue; + + IdString abc_flop_clk, abc_flop_en; + for (auto port_name : inst_module->ports) { + auto wire = inst_module->wire(port_name); + log_assert(wire); + if (wire->attributes.count("\\abc_flop_clk")) { + if (abc_flop_clk != IdString()) + log_error("More than one port has the 'abc_flop_clk' attribute set on module '%s'.\n", log_id(cell->type)); + abc_flop_clk = port_name; + } + if (wire->attributes.count("\\abc_flop_en")) { + if (abc_flop_en != IdString()) + log_error("More than one port has the 'abc_flop_en' attribute set on module '%s'.\n", log_id(cell->type)); + abc_flop_en = port_name; + } + } + + if (abc_flop_clk == IdString()) + log_error("'abc_flop_clk' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); + if (abc_flop_en == IdString()) + log_error("'abc_flop_en' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); + it = flop_data.insert(std::make_pair(cell->type, std::make_pair(abc_flop_clk, abc_flop_en))).first; } - else - if (cell->type == "$_DFFE_NN_" || cell->type == "$_DFFE_NP_" || cell->type == "$_DFFE_PN_" || cell->type == "$_DFFE_PP_") - { - bool this_clk_pol = cell->type == "$_DFFE_PN_" || cell->type == "$_DFFE_PP_"; - bool this_en_pol = cell->type == "$_DFFE_NP_" || cell->type == "$_DFFE_PP_"; - key = clkdomain_t(this_clk_pol, assign_map(cell->getPort("\\C")), this_en_pol, assign_map(cell->getPort("\\E"))); + else { + it = flop_data.find(cell->type); + if (it == flop_data.end()) + continue; } - else - continue; + + auto jt = cell->parameters.find("\\$abc_flop_clk_pol"); + if (jt == cell->parameters.end()) + log_error("'$abc_flop_clk_pol' parameter not found on module '%s'.\n", log_id(cell->type)); + cell->parameters.erase(jt); + bool this_clk_pol = jt->second.as_bool(); + jt = cell->parameters.find("\\$abc_flop_en_pol"); + if (jt == cell->parameters.end()) + log_error("'$abc_flop_en_pol' parameter not found on module '%s'.\n", log_id(cell->type)); + bool this_en_pol = jt->second.as_bool(); + cell->parameters.erase(jt); + + const auto &data = it->second; + key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.first)), this_en_pol, assign_map(cell->getPort(data.second))); unassigned_cells.erase(cell); expand_queue.insert(cell); -- cgit v1.2.3 From 9f608d6be30c9302c0e3810525457e39f57b0334 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Wed, 10 Jul 2019 20:25:59 -0700 Subject: write_verilog with *.v extension --- passes/techmap/abc9.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 6e57ab7f3..330361f65 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -435,7 +435,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri // count_gates, GetSize(signal_list), count_input, count_output); #if 0 - Pass::call(design, stringf("write_verilog -noexpr -norename %s/before.xaig", tempdir_name.c_str())); + Pass::call(design, stringf("write_verilog -noexpr -norename %s/before.v", tempdir_name.c_str())); #endif Pass::call(design, stringf("write_xaiger -map %s/input.sym %s/input.xaig", tempdir_name.c_str(), tempdir_name.c_str())); -- cgit v1.2.3 From 33862d04451ba58ce2b51c1e11abf86b65c3f018 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Thu, 11 Jul 2019 09:22:52 -0700 Subject: WIP for fixing partitioning, temporarily do not partition --- passes/techmap/abc9.cc | 46 ++++++++++++++++++++++++++++++++++------------ 1 file changed, 34 insertions(+), 12 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 330361f65..4347c3789 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -86,7 +86,7 @@ void handle_loops(RTLIL::Design *design) // cell in the component, and select (and mark) all its output // wires pool ids_seen; - for (auto cell : module->cells()) { + for (auto cell : module->selected_cells()) { auto it = cell->attributes.find("\\abc_scc_id"); if (it != cell->attributes.end()) { auto r = ids_seen.insert(it->second); @@ -423,10 +423,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri if (count_output) { - design->selection_stack.emplace_back(false); - RTLIL::Selection& sel = design->selection_stack.back(); - sel.select(module); - Pass::call(design, "aigmap"); handle_loops(design); @@ -457,8 +453,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri design->remove(design->module("$__abc9__")); #endif - design->selection_stack.pop_back(); - // Now 'unexpose' those wires by undoing // the expose operation -- remove them from PO/PI // and re-connecting them back together @@ -477,7 +471,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } module->fixup_ports(); - log_header(design, "Executing ABC9.\n"); if (!lut_costs.empty()) { @@ -564,8 +557,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri dict abc_box; vector boxes; - for (const auto &it : module->cells_) { - auto cell = it.second; + for (auto cell : module->selected_cells()) { if (cell->type.in("$_AND_", "$_NOT_", "$__ABC_FF_")) { module->remove(cell); continue; @@ -663,6 +655,13 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri if (existing_cell) { cell->parameters = existing_cell->parameters; cell->attributes = existing_cell->attributes; + + auto it = cell->parameters.find("\\$abc_flop_clk_pol"); + if (it != cell->parameters.end()) + cell->parameters.erase(it); + it = cell->parameters.find("\\$abc_flop_en_pol"); + if (it != cell->parameters.end()) + cell->parameters.erase(it); } else { cell->parameters = c->parameters; @@ -1017,6 +1016,20 @@ struct Abc9Pass : public Pass { assign_map.set(mod); + if (true || /*!dff_mode ||*/ !clk_str.empty()) { + + design->selection_stack.emplace_back(false); + RTLIL::Selection& sel = design->selection_stack.back(); + sel.select(mod); + + abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, false, clk_str, keepff, + delay_target, lutin_shared, fast_mode, show_tempdir, + box_file, lut_file, wire_delay); + + design->selection_stack.pop_back(); + continue; + } + CellTypes ct(design); std::vector all_cells = mod->selected_cells(); @@ -1096,13 +1109,11 @@ struct Abc9Pass : public Pass { auto jt = cell->parameters.find("\\$abc_flop_clk_pol"); if (jt == cell->parameters.end()) log_error("'$abc_flop_clk_pol' parameter not found on module '%s'.\n", log_id(cell->type)); - cell->parameters.erase(jt); bool this_clk_pol = jt->second.as_bool(); jt = cell->parameters.find("\\$abc_flop_en_pol"); if (jt == cell->parameters.end()) log_error("'$abc_flop_en_pol' parameter not found on module '%s'.\n", log_id(cell->type)); bool this_en_pol = jt->second.as_bool(); - cell->parameters.erase(jt); const auto &data = it->second; key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.first)), this_en_pol, assign_map(cell->getPort(data.second))); @@ -1191,16 +1202,27 @@ struct Abc9Pass : public Pass { std::get<0>(it.first) ? "" : "!", log_signal(std::get<1>(it.first)), std::get<2>(it.first) ? "" : "!", log_signal(std::get<3>(it.first))); + design->selection_stack.emplace_back(false); + RTLIL::Selection& sel = design->selection_stack.back(); + for (auto &it : assigned_cells) { clk_polarity = std::get<0>(it.first); clk_sig = assign_map(std::get<1>(it.first)); en_polarity = std::get<2>(it.first); en_sig = assign_map(std::get<3>(it.first)); + + pool assigned_names; + for (auto i : it.second) + assigned_names.insert(i->name); + sel.selected_members[mod->name] = std::move(assigned_names); + abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, !clk_sig.empty(), "$", keepff, delay_target, lutin_shared, fast_mode, show_tempdir, box_file, lut_file, wire_delay); assign_map.set(mod); } + + design->selection_stack.pop_back(); } Pass::call(design, "clean"); -- cgit v1.2.3 From 0c3ed73dade2488d0add1a3e6e82b148171f2d66 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Thu, 11 Jul 2019 09:55:14 -0700 Subject: Count $_NOT_ cells turned into $luts --- passes/techmap/abc9.cc | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 4347c3789..53b0b8bbe 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -584,7 +584,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri log_assert(wire); module->connect(RTLIL::SigBit(wire, y_bit.offset), RTLIL::S1); } - else if (!lut_costs.empty() || !lut_file.empty()) { + else { RTLIL::Cell* driving_lut = nullptr; // ABC can return NOT gates that drive POs if (!a_bit.wire->port_input) { @@ -622,12 +622,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri RTLIL::SigBit(module->wires_[remap_name(y_bit.wire->name)], y_bit.offset), driver_lut); } - } - else { - cell = module->addCell(remap_name(c->name), "$_NOT_"); - cell->setPort("\\A", RTLIL::SigBit(module->wires_[remap_name(a_bit.wire->name)], a_bit.offset)); - cell->setPort("\\Y", RTLIL::SigBit(module->wires_[remap_name(y_bit.wire->name)], y_bit.offset)); - cell_stats[RTLIL::unescape_id(c->type)]++; + cell_stats["$lut"]++; } if (cell && markgroups) cell->attributes["\\abcgroup"] = map_autoidx; continue; -- cgit v1.2.3 From 237d8651a5b91bf4fa1de69d0930fdcbba049e40 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Thu, 11 Jul 2019 09:58:00 -0700 Subject: Error out if abc9 not called with -lut or -luts --- passes/techmap/abc9.cc | 3 +++ 1 file changed, 3 insertions(+) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 53b0b8bbe..b9eb71cf1 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -999,6 +999,9 @@ struct Abc9Pass : public Pass { } extra_args(args, argidx, design); + if (lut_costs.empty() && lut_file.empty()) + log_cmd_error("abc9 must be called with '-lut' or '-luts'\n"); + for (auto mod : design->selected_modules()) { if (mod->attributes.count("\\abc_box_id")) -- cgit v1.2.3 From 9bfe924e17a87fac8a35fcb7ff5e067f6c520e07 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 19 Aug 2019 09:40:01 -0700 Subject: Set abc_flop and use it in toposort --- passes/techmap/abc9.cc | 82 +++++++++++++++++++++++++++++++------------------- 1 file changed, 51 insertions(+), 31 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 50a6e0fe5..df62b4fa5 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -443,6 +443,8 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri design->remove(design->module(ID($__abc9__))); #endif + design->selection_stack.pop_back(); + // Now 'unexpose' those wires by undoing // the expose operation -- remove them from PO/PI // and re-connecting them back together @@ -568,19 +570,17 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri dict> bit2sinks; std::map cell_stats; - for (auto c : mapped_mod->cells()) + for (auto mapped_cell : mapped_mod->cells()) { - toposort.node(c->name); + toposort.node(mapped_cell->name); RTLIL::Cell *cell = nullptr; - if (c->type == ID($_NOT_)) { - RTLIL::SigBit a_bit = c->getPort(ID(A)); - RTLIL::SigBit y_bit = c->getPort(ID(Y)); - bit_users[a_bit].insert(c->name); - bit_drivers[y_bit].insert(c->name); + if (mapped_cell->type == ID($_NOT_)) { + RTLIL::SigBit a_bit = mapped_cell->getPort(ID(A)); + RTLIL::SigBit y_bit = mapped_cell->getPort(ID(Y)); if (!a_bit.wire) { - c->setPort(ID(Y), module->addWire(NEW_ID)); + mapped_cell->setPort(ID(Y), module->addWire(NEW_ID)); RTLIL::Wire *wire = module->wire(remap_name(y_bit.wire->name)); log_assert(wire); module->connect(RTLIL::SigBit(wire, y_bit.offset), State::S1); @@ -604,38 +604,40 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri if (!driving_lut) { // If a driver couldn't be found (could be from PI or box CI) // then implement using a LUT - cell = module->addLut(remap_name(stringf("%s$lut", c->name.c_str())), + cell = module->addLut(remap_name(stringf("%s$lut", mapped_cell->name.c_str())), RTLIL::SigBit(module->wires_.at(remap_name(a_bit.wire->name)), a_bit.offset), RTLIL::SigBit(module->wires_.at(remap_name(y_bit.wire->name)), y_bit.offset), RTLIL::Const::from_string("01")); bit2sinks[cell->getPort(ID(A))].push_back(cell); cell_stats[ID($lut)]++; + bit_users[a_bit].insert(mapped_cell->name); + bit_drivers[y_bit].insert(mapped_cell->name); } else - not2drivers[c] = driving_lut; + not2drivers[mapped_cell] = driving_lut; continue; } if (cell && markgroups) cell->attributes[ID(abcgroup)] = map_autoidx; continue; } - cell_stats[c->type]++; + cell_stats[mapped_cell->type]++; RTLIL::Cell *existing_cell = nullptr; - if (c->type == ID($lut)) { - if (GetSize(c->getPort(ID(A))) == 1 && c->getParam(ID(LUT)) == RTLIL::Const::from_string("01")) { - SigSpec my_a = module->wires_.at(remap_name(c->getPort(ID(A)).as_wire()->name)); - SigSpec my_y = module->wires_.at(remap_name(c->getPort(ID(Y)).as_wire()->name)); + if (mapped_cell->type == ID($lut)) { + if (GetSize(mapped_cell->getPort(ID(A))) == 1 && mapped_cell->getParam(ID(LUT)) == RTLIL::Const::from_string("01")) { + SigSpec my_a = module->wires_.at(remap_name(mapped_cell->getPort(ID(A)).as_wire()->name)); + SigSpec my_y = module->wires_.at(remap_name(mapped_cell->getPort(ID(Y)).as_wire()->name)); module->connect(my_y, my_a); - if (markgroups) c->attributes[ID(abcgroup)] = map_autoidx; + if (markgroups) mapped_cell->attributes[ID(abcgroup)] = map_autoidx; log_abort(); continue; } - cell = module->addCell(remap_name(c->name), c->type); + cell = module->addCell(remap_name(mapped_cell->name), mapped_cell->type); } else { - existing_cell = module->cell(c->name); + existing_cell = module->cell(mapped_cell->name); log_assert(existing_cell); - cell = module->addCell(remap_name(c->name), c->type); + cell = module->addCell(remap_name(mapped_cell->name), mapped_cell->type); module->swap_names(cell, existing_cell); } @@ -652,10 +654,12 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri cell->parameters.erase(it); } else { - cell->parameters = c->parameters; - cell->attributes = c->attributes; + cell->parameters = mapped_cell->parameters; + cell->attributes = mapped_cell->attributes; } - for (auto &conn : c->connections()) { + + auto abc_flop = mapped_cell->attributes.count("\\abc_flop"); + for (auto &conn : mapped_cell->connections()) { RTLIL::SigSpec newsig; for (auto c : conn.second.chunks()) { if (c.width == 0) @@ -667,15 +671,17 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } cell->setPort(conn.first, newsig); - if (cell->input(conn.first)) { - for (auto i : newsig) - bit2sinks[i].push_back(cell); - for (auto i : conn.second) - bit_users[i].insert(c->name); + if (!abc_flop) { + if (cell->input(conn.first)) { + for (auto i : newsig) + bit2sinks[i].push_back(cell); + for (auto i : conn.second) + bit_users[i].insert(mapped_cell->name); + } + if (cell->output(conn.first)) + for (auto i : conn.second) + bit_drivers[i].insert(mapped_cell->name); } - if (cell->output(conn.first)) - for (auto i : conn.second) - bit_drivers[i].insert(c->name); } } @@ -701,7 +707,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } for (auto &it : cell_stats) - log("ABC RESULTS: %15s cells: %8d\n", it.first.c_str(), it.second); + log("ABC RESULTS: %15s cells: %8d\n", log_id(it.first), it.second); int in_wires = 0, out_wires = 0; // Stitch in mapped_mod's inputs/outputs into module @@ -734,7 +740,21 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri for (auto driver_cell : bit_drivers.at(it.first)) for (auto user_cell : it.second) toposort.edge(driver_cell, user_cell); +#if 0 + toposort.analyze_loops = true; +#endif bool no_loops = toposort.sort(); +#if 0 + unsigned i = 0; + for (auto &it : toposort.loops) { + log(" loop %d\n", i++); + for (auto cell_name : it) { + auto cell = mapped_mod->cell(cell_name); + log_assert(cell); + log("\t%s (%s @ %s)\n", log_id(cell), log_id(cell->type), cell->get_src_attribute().c_str()); + } + } +#endif log_assert(no_loops); for (auto ii = toposort.sorted.rbegin(); ii != toposort.sorted.rend(); ii++) { -- cgit v1.2.3 From e301440a0bae76dcff159c77274c91aad40021c0 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 19 Aug 2019 09:51:49 -0700 Subject: Use attributes instead of params --- passes/techmap/abc9.cc | 36 +++++++++++++++++++++++++----------- 1 file changed, 25 insertions(+), 11 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index df62b4fa5..d52be1836 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -646,12 +646,8 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri cell->parameters = existing_cell->parameters; cell->attributes = existing_cell->attributes; - auto it = cell->parameters.find("\\$abc_flop_clk_pol"); - if (it != cell->parameters.end()) - cell->parameters.erase(it); - it = cell->parameters.find("\\$abc_flop_en_pol"); - if (it != cell->parameters.end()) - cell->parameters.erase(it); + cell->attributes.erase("\\abc_flop_clk_pol"); + cell->attributes.erase("\\abc_flop_en_pol"); } else { cell->parameters = mapped_cell->parameters; @@ -1265,14 +1261,32 @@ struct Abc9Pass : public Pass { continue; } - auto jt = cell->parameters.find("\\$abc_flop_clk_pol"); + auto jt = cell->attributes.find("\\abc_flop_clk_pol"); if (jt == cell->parameters.end()) - log_error("'$abc_flop_clk_pol' parameter not found on module '%s'.\n", log_id(cell->type)); - bool this_clk_pol = jt->second.as_bool(); + log_error("'abc_flop_clk_pol' attribute not found on module '%s'.\n", log_id(cell->type)); + bool this_clk_pol; + if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { + auto param = jt->second.decode_string(); + auto kt = cell->parameters.find(param); + if (kt == cell->parameters.end()) + log_error("'abc_flop_clk_pol' value '%s' is not a parameter on module '%s'.\n", param.c_str(), log_id(cell->type)); + this_clk_pol = kt->second.as_bool(); + } + else + this_clk_pol = jt->second.as_bool(); jt = cell->parameters.find("\\$abc_flop_en_pol"); if (jt == cell->parameters.end()) - log_error("'$abc_flop_en_pol' parameter not found on module '%s'.\n", log_id(cell->type)); - bool this_en_pol = jt->second.as_bool(); + log_error("'abc_flop_en_pol' attribute not found on module '%s'.\n", log_id(cell->type)); + bool this_en_pol; + if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { + auto param = jt->second.decode_string(); + auto kt = cell->parameters.find(param); + if (kt == cell->parameters.end()) + log_error("'abc_flop_en_pol' value '%s' is not a parameter on module '%s'.\n", param.c_str(), log_id(cell->type)); + this_en_pol = kt->second.as_bool(); + } + else + this_en_pol = jt->second.as_bool(); const auto &data = it->second; key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.first)), this_en_pol, assign_map(cell->getPort(data.second))); -- cgit v1.2.3 From ba2261e21a18b969473f228b5f55bd5612558ed8 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 19 Aug 2019 11:18:33 -0700 Subject: Move from cell attr to module attr --- passes/techmap/abc9.cc | 88 ++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 64 insertions(+), 24 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 398df190c..be2a8d50b 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -1202,7 +1202,15 @@ struct Abc9Pass : public Pass { std::map> bit_to_cell, bit_to_cell_up, bit_to_cell_down; pool seen_cells; - dict> flop_data; + struct flop_data_t { + IdString clk_port; + IdString clk_pol_param; + bool clk_pol; + IdString en_port; + IdString en_pol_param; + bool en_pol; + }; + dict flop_data; for (auto cell : all_cells) { clkdomain_t key; @@ -1253,7 +1261,40 @@ struct Abc9Pass : public Pass { log_error("'abc_flop_clk' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); if (abc_flop_en == IdString()) log_error("'abc_flop_en' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); - it = flop_data.insert(std::make_pair(cell->type, std::make_pair(abc_flop_clk, abc_flop_en))).first; + + auto jt = inst_module->attributes.find("\\abc_flop_clk_pol"); + if (jt == inst_module->attributes.end()) + log_error("'abc_flop_clk_pol' attribute not found on module '%s'.\n", log_id(inst_module)); + IdString abc_flop_clk_pol_param; + bool abc_flop_clk_pol; + if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { + auto param = jt->second.decode_string(); + abc_flop_clk_pol = (param[0] == '!'); + if (abc_flop_clk_pol) + abc_flop_clk_pol_param = RTLIL::escape_id(param.substr(1)); + else + abc_flop_clk_pol_param = RTLIL::escape_id(param); + } + else + abc_flop_clk_pol = !jt->second.as_bool(); + jt = inst_module->attributes.find("\\abc_flop_en_pol"); + if (jt == inst_module->attributes.end()) + log_error("'abc_flop_en_pol' attribute not found on module '%s'.\n", log_id(inst_module)); + IdString abc_flop_en_pol_param; + bool abc_flop_en_pol; + if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { + auto param = jt->second.decode_string(); + abc_flop_en_pol = (param[0] == '!'); + if (abc_flop_en_pol) + abc_flop_en_pol_param = RTLIL::escape_id(param.substr(1)); + else + abc_flop_en_pol_param = RTLIL::escape_id(param); + } + else + abc_flop_en_pol = !jt->second.as_bool(); + + it = flop_data.insert(std::make_pair(cell->type, flop_data_t{abc_flop_clk, abc_flop_clk_pol_param, abc_flop_clk_pol, + abc_flop_en, abc_flop_en_pol_param, abc_flop_en_pol})).first; } else { it = flop_data.find(cell->type); @@ -1261,35 +1302,34 @@ struct Abc9Pass : public Pass { continue; } - auto jt = cell->attributes.find("\\abc_flop_clk_pol"); - if (jt == cell->parameters.end()) - log_error("'abc_flop_clk_pol' attribute not found on module '%s'.\n", log_id(cell->type)); + const auto &data = it->second; + bool this_clk_pol; - if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { - auto param = jt->second.decode_string(); - auto kt = cell->parameters.find(param); - if (kt == cell->parameters.end()) + if (data.clk_pol_param == IdString()) + this_clk_pol = data.clk_pol; + else { + auto param = data.clk_pol_param; + auto jt = cell->parameters.find(param); + if (jt == cell->parameters.end()) log_error("'abc_flop_clk_pol' value '%s' is not a parameter on module '%s'.\n", param.c_str(), log_id(cell->type)); - this_clk_pol = kt->second.as_bool(); - } - else this_clk_pol = jt->second.as_bool(); - jt = cell->parameters.find("\\$abc_flop_en_pol"); - if (jt == cell->parameters.end()) - log_error("'abc_flop_en_pol' attribute not found on module '%s'.\n", log_id(cell->type)); + if (data.clk_pol) + this_clk_pol = !this_clk_pol; + } bool this_en_pol; - if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { - auto param = jt->second.decode_string(); - auto kt = cell->parameters.find(param); - if (kt == cell->parameters.end()) + if (data.en_pol_param == IdString()) + this_en_pol = data.en_pol; + else { + auto param = data.en_pol_param; + auto jt = cell->parameters.find(param); + if (jt == cell->parameters.end()) log_error("'abc_flop_en_pol' value '%s' is not a parameter on module '%s'.\n", param.c_str(), log_id(cell->type)); - this_en_pol = kt->second.as_bool(); - } - else this_en_pol = jt->second.as_bool(); + if (data.en_pol) + this_en_pol = !this_en_pol; + } - const auto &data = it->second; - key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.first)), this_en_pol, assign_map(cell->getPort(data.second))); + key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.clk_port)), this_en_pol, assign_map(cell->getPort(data.en_port))); unassigned_cells.erase(cell); expand_queue.insert(cell); -- cgit v1.2.3 From 91687d3feae8df0e315232d3989a445e7d452d1f Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 19 Aug 2019 12:33:24 -0700 Subject: Add (* abc_arrival *) attribute --- passes/techmap/abc9.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index be2a8d50b..9156381fa 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -965,7 +965,7 @@ struct Abc9Pass : public Pass { vector lut_costs; markgroups = false; -#if 0 +#if 1 cleanup = false; show_tempdir = true; #endif -- cgit v1.2.3 From e29df7d5fa507657994e974630e89511a205ff1e Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 19 Aug 2019 12:44:43 -0700 Subject: Remove debug --- passes/techmap/abc9.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 9156381fa..be2a8d50b 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -965,7 +965,7 @@ struct Abc9Pass : public Pass { vector lut_costs; markgroups = false; -#if 1 +#if 0 cleanup = false; show_tempdir = true; #endif -- cgit v1.2.3 From 505d062daf0e2600dacf04cf18d97b279bd58d72 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 20 Aug 2019 13:33:31 -0700 Subject: Fix use of {CLK,EN}_POLARITY, also add a FIXME --- passes/techmap/abc9.cc | 78 +++++++++----------------------------------------- 1 file changed, 13 insertions(+), 65 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 576fb8542..c7dc67c62 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -645,9 +645,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri if (existing_cell) { cell->parameters = existing_cell->parameters; cell->attributes = existing_cell->attributes; - - cell->attributes.erase("\\abc_flop_clk_pol"); - cell->attributes.erase("\\abc_flop_en_pol"); } else { cell->parameters = mapped_cell->parameters; @@ -1204,11 +1201,7 @@ struct Abc9Pass : public Pass { pool seen_cells; struct flop_data_t { IdString clk_port; - IdString clk_pol_param; - bool clk_pol; IdString en_port; - IdString en_pol_param; - bool en_pol; }; dict flop_data; @@ -1262,39 +1255,7 @@ struct Abc9Pass : public Pass { if (abc_flop_en == IdString()) log_error("'abc_flop_en' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); - auto jt = inst_module->attributes.find("\\abc_flop_clk_pol"); - if (jt == inst_module->attributes.end()) - log_error("'abc_flop_clk_pol' attribute not found on module '%s'.\n", log_id(inst_module)); - IdString abc_flop_clk_pol_param; - bool abc_flop_clk_pol; - if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { - auto param = jt->second.decode_string(); - abc_flop_clk_pol = (param[0] == '!'); - if (abc_flop_clk_pol) - abc_flop_clk_pol_param = RTLIL::escape_id(param.substr(1)); - else - abc_flop_clk_pol_param = RTLIL::escape_id(param); - } - else - abc_flop_clk_pol = !jt->second.as_bool(); - jt = inst_module->attributes.find("\\abc_flop_en_pol"); - if (jt == inst_module->attributes.end()) - log_error("'abc_flop_en_pol' attribute not found on module '%s'.\n", log_id(inst_module)); - IdString abc_flop_en_pol_param; - bool abc_flop_en_pol; - if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { - auto param = jt->second.decode_string(); - abc_flop_en_pol = (param[0] == '!'); - if (abc_flop_en_pol) - abc_flop_en_pol_param = RTLIL::escape_id(param.substr(1)); - else - abc_flop_en_pol_param = RTLIL::escape_id(param); - } - else - abc_flop_en_pol = !jt->second.as_bool(); - - it = flop_data.insert(std::make_pair(cell->type, flop_data_t{abc_flop_clk, abc_flop_clk_pol_param, abc_flop_clk_pol, - abc_flop_en, abc_flop_en_pol_param, abc_flop_en_pol})).first; + it = flop_data.insert(std::make_pair(cell->type, flop_data_t{abc_flop_clk, abc_flop_en})).first; } else { it = flop_data.find(cell->type); @@ -1304,30 +1265,15 @@ struct Abc9Pass : public Pass { const auto &data = it->second; - bool this_clk_pol; - if (data.clk_pol_param == IdString()) - this_clk_pol = data.clk_pol; - else { - auto param = data.clk_pol_param; - auto jt = cell->parameters.find(param); - if (jt == cell->parameters.end()) - log_error("'abc_flop_clk_pol' value '%s' is not a parameter on module '%s'.\n", param.c_str(), log_id(cell->type)); - this_clk_pol = jt->second.as_bool(); - if (data.clk_pol) - this_clk_pol = !this_clk_pol; - } - bool this_en_pol; - if (data.en_pol_param == IdString()) - this_en_pol = data.en_pol; - else { - auto param = data.en_pol_param; - auto jt = cell->parameters.find(param); - if (jt == cell->parameters.end()) - log_error("'abc_flop_en_pol' value '%s' is not a parameter on module '%s'.\n", param.c_str(), log_id(cell->type)); - this_en_pol = jt->second.as_bool(); - if (data.en_pol) - this_en_pol = !this_en_pol; - } + auto jt = cell->parameters.find("\\CLK_POLARITY"); + if (jt == cell->parameters.end()) + log_error("'CLK_POLARITY' is not a parameter on module '%s'.\n", log_id(cell->type)); + bool this_clk_pol = jt->second.as_bool(); + + jt = cell->parameters.find("\\EN_POLARITY"); + if (jt == cell->parameters.end()) + log_error("'EN_POLARITY' is not a parameter on module '%s'.\n", log_id(cell->type)); + bool this_en_pol = jt->second.as_bool(); key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.clk_port)), this_en_pol, assign_map(cell->getPort(data.en_port))); @@ -1416,9 +1362,10 @@ struct Abc9Pass : public Pass { std::get<2>(it.first) ? "" : "!", log_signal(std::get<3>(it.first))); design->selection_stack.emplace_back(false); - RTLIL::Selection& sel = design->selection_stack.back(); for (auto &it : assigned_cells) { + // FIXME: abc9_module calls below can delete cells, + // leaving a dangling pointer here... clk_polarity = std::get<0>(it.first); clk_sig = assign_map(std::get<1>(it.first)); en_polarity = std::get<2>(it.first); @@ -1427,6 +1374,7 @@ struct Abc9Pass : public Pass { pool assigned_names; for (auto i : it.second) assigned_names.insert(i->name); + RTLIL::Selection& sel = design->selection_stack.back(); sel.selected_members[mod->name] = std::move(assigned_names); abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, !clk_sig.empty(), "$", -- cgit v1.2.3 From fad15d276dd9746b41a2d3e1592285ad4362fe21 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 20 Aug 2019 18:08:58 -0700 Subject: retime_mode -> dff_mode --- passes/techmap/abc9.cc | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index c7dc67c62..29929f80b 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -269,7 +269,7 @@ struct abc_output_filter }; void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, - bool cleanup, vector lut_costs, bool /*retime_mode*/, std::string clk_str, + bool cleanup, vector 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 &box_lookup, @@ -309,7 +309,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri clk_sig = assign_map(RTLIL::SigSpec(module->wires_.at(RTLIL::escape_id(clk_str)), 0)); } - //if (retime_mode && clk_sig.empty()) + //if (dff_mode && clk_sig.empty()) // log_cmd_error("Clock domain %s not found.\n", clk_str.c_str()); std::string tempdir_name = "/tmp/yosys-abc-XXXXXX"; @@ -383,7 +383,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri fprintf(f, "%s\n", abc_script.c_str()); fclose(f); - if (/*retime_mode ||*/ !clk_str.empty()) + if (/*dff_mode ||*/ !clk_str.empty()) { if (clk_sig.size() == 0) log("No%s clock domain found. Not extracting any FF cells.\n", clk_str.empty() ? "" : " matching"); @@ -957,7 +957,7 @@ struct Abc9Pass : public Pass { #endif std::string script_file, clk_str, box_file, lut_file; std::string delay_target, lutin_shared = "-S 1", wire_delay; - bool fast_mode = false, /*retime_mode = false,*/ keepff = false, cleanup = true; + bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true; bool show_tempdir = false; vector lut_costs; markgroups = false; @@ -1049,12 +1049,12 @@ struct Abc9Pass : public Pass { continue; } //if (arg == "-retime") { - // retime_mode = true; + // dff_mode = true; // continue; //} //if (arg == "-clk" && argidx+1 < args.size()) { // clk_str = args[++argidx]; - // retime_mode = true; + // dff_mode = true; // continue; //} //if (arg == "-keepff") { @@ -1169,7 +1169,7 @@ struct Abc9Pass : public Pass { assign_map.set(mod); - if (true || /*!dff_mode ||*/ !clk_str.empty()) { + if (!dff_mode || !clk_str.empty()) { design->selection_stack.emplace_back(false); RTLIL::Selection& sel = design->selection_stack.back(); -- cgit v1.2.3 From 091bf4a18b2f4bf84fe62b61577c88d961468b3c Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 20 Aug 2019 18:16:37 -0700 Subject: Remove sequential extension --- passes/techmap/abc9.cc | 88 ++++++++++++-------------------------------------- 1 file changed, 20 insertions(+), 68 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 29929f80b..919c4ce53 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -551,7 +551,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri dict abc_box; vector boxes; for (auto cell : module->selected_cells()) { - if (cell->type.in(ID($_AND_), ID($_NOT_), ID($__ABC_FF_))) { + if (cell->type.in(ID($_AND_), ID($_NOT_))) { module->remove(cell); continue; } @@ -651,7 +651,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri cell->attributes = mapped_cell->attributes; } - auto abc_flop = mapped_cell->attributes.count("\\abc_flop"); for (auto &conn : mapped_cell->connections()) { RTLIL::SigSpec newsig; for (auto c : conn.second.chunks()) { @@ -664,17 +663,15 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } cell->setPort(conn.first, newsig); - if (!abc_flop) { - if (cell->input(conn.first)) { - for (auto i : newsig) - bit2sinks[i].push_back(cell); - for (auto i : conn.second) - bit_users[i].insert(mapped_cell->name); - } - if (cell->output(conn.first)) - for (auto i : conn.second) - bit_drivers[i].insert(mapped_cell->name); + if (cell->input(conn.first)) { + for (auto i : newsig) + bit2sinks[i].push_back(cell); + for (auto i : conn.second) + bit_users[i].insert(mapped_cell->name); } + if (cell->output(conn.first)) + for (auto i : conn.second) + bit_drivers[i].insert(mapped_cell->name); } } @@ -1170,7 +1167,6 @@ struct Abc9Pass : public Pass { assign_map.set(mod); if (!dff_mode || !clk_str.empty()) { - design->selection_stack.emplace_back(false); RTLIL::Selection& sel = design->selection_stack.back(); sel.select(mod); @@ -1198,13 +1194,6 @@ struct Abc9Pass : public Pass { std::map> cell_to_bit, cell_to_bit_up, cell_to_bit_down; std::map> bit_to_cell, bit_to_cell_up, bit_to_cell_down; - pool seen_cells; - struct flop_data_t { - IdString clk_port; - IdString en_port; - }; - dict flop_data; - for (auto cell : all_cells) { clkdomain_t key; @@ -1225,57 +1214,20 @@ struct Abc9Pass : public Pass { } } - decltype(flop_data)::iterator it; - if (seen_cells.insert(cell->type).second) { - RTLIL::Module* inst_module = design->module(cell->type); - if (!inst_module) - continue; - - if (!inst_module->attributes.count("\\abc_flop")) - continue; - - IdString abc_flop_clk, abc_flop_en; - for (auto port_name : inst_module->ports) { - auto wire = inst_module->wire(port_name); - log_assert(wire); - if (wire->attributes.count("\\abc_flop_clk")) { - if (abc_flop_clk != IdString()) - log_error("More than one port has the 'abc_flop_clk' attribute set on module '%s'.\n", log_id(cell->type)); - abc_flop_clk = port_name; - } - if (wire->attributes.count("\\abc_flop_en")) { - if (abc_flop_en != IdString()) - log_error("More than one port has the 'abc_flop_en' attribute set on module '%s'.\n", log_id(cell->type)); - abc_flop_en = port_name; - } - } - - if (abc_flop_clk == IdString()) - log_error("'abc_flop_clk' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); - if (abc_flop_en == IdString()) - log_error("'abc_flop_en' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); - - it = flop_data.insert(std::make_pair(cell->type, flop_data_t{abc_flop_clk, abc_flop_en})).first; + if (cell->type.in(ID($_DFF_N_), ID($_DFF_P_))) + { + key = clkdomain_t(cell->type == ID($_DFF_P_), assign_map(cell->getPort(ID(C))), true, RTLIL::SigSpec()); } - else { - it = flop_data.find(cell->type); - if (it == flop_data.end()) - continue; + else + if (cell->type.in(ID($_DFFE_NN_), ID($_DFFE_NP_), ID($_DFFE_PN_), ID($_DFFE_PP_))) + { + bool this_clk_pol = cell->type.in(ID($_DFFE_PN_), ID($_DFFE_PP_)); + bool this_en_pol = cell->type.in(ID($_DFFE_NP_), ID($_DFFE_PP_)); + key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(ID(C))), this_en_pol, assign_map(cell->getPort(ID(E)))); } + else + continue; - const auto &data = it->second; - - auto jt = cell->parameters.find("\\CLK_POLARITY"); - if (jt == cell->parameters.end()) - log_error("'CLK_POLARITY' is not a parameter on module '%s'.\n", log_id(cell->type)); - bool this_clk_pol = jt->second.as_bool(); - - jt = cell->parameters.find("\\EN_POLARITY"); - if (jt == cell->parameters.end()) - log_error("'EN_POLARITY' is not a parameter on module '%s'.\n", log_id(cell->type)); - bool this_en_pol = jt->second.as_bool(); - - key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.clk_port)), this_en_pol, assign_map(cell->getPort(data.en_port))); unassigned_cells.erase(cell); expand_queue.insert(cell); -- cgit v1.2.3 From 57493e328ad69b749619bc692130e28ab5c212ee Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 20 Aug 2019 19:48:16 -0700 Subject: techmap -max_iter to apply to each module individually --- passes/techmap/techmap.cc | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index b271c8781..a6c1214a7 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -943,7 +943,8 @@ struct TechmapPass : public Pass { log(" instead of inlining them.\n"); log("\n"); log(" -max_iter \n"); - log(" only run the specified number of iterations.\n"); + log(" only run the specified number of iterations for each module.\n"); + log(" default: unlimited\n"); log("\n"); log(" -recursive\n"); log(" instead of the iterative breadth-first algorithm use a recursive\n"); @@ -1157,15 +1158,16 @@ struct TechmapPass : public Pass { RTLIL::Module *module = *worker.module_queue.begin(); worker.module_queue.erase(module); + int module_max_iter = max_iter; bool did_something = true; std::set handled_cells; while (did_something) { did_something = false; - if (worker.techmap_module(design, module, map, handled_cells, celltypeMap, false)) - did_something = true; + if (worker.techmap_module(design, module, map, handled_cells, celltypeMap, false)) + did_something = true; if (did_something) module->check(); - if (max_iter > 0 && --max_iter == 0) + if (module_max_iter > 0 && --module_max_iter == 0) break; } } -- cgit v1.2.3 From 48c424e45bceec55b71dd64c987b2c7eafe7a113 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Fri, 23 Aug 2019 13:46:05 -0700 Subject: Cleanup --- passes/techmap/abc9.cc | 189 +++++++++++++++---------------------------------- 1 file changed, 59 insertions(+), 130 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 919c4ce53..968c68b70 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> &scc_break_inputs) +void handle_loops(RTLIL::Design *design) { Pass::call(design, "scc -set_attr abc_scc_id {}"); @@ -85,7 +84,7 @@ void handle_loops(RTLIL::Design *design, // cell in the component, and select (and mark) all its output // wires pool ids_seen; - for (auto cell : module->selected_cells()) { + for (auto cell : module->cells()) { auto it = cell->attributes.find(ID(abc_scc_id)); if (it != cell->attributes.end()) { auto r = ids_seen.insert(it->second); @@ -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(); @@ -269,11 +244,10 @@ struct abc_output_filter }; void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, - bool cleanup, vector lut_costs, bool /*dff_mode*/, std::string clk_str, + bool cleanup, vector 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 &box_lookup, - const dict> &scc_break_inputs + std::string wire_delay, const dict &box_lookup ) { module = current_module; @@ -309,8 +283,8 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri clk_sig = assign_map(RTLIL::SigSpec(module->wires_.at(RTLIL::escape_id(clk_str)), 0)); } - //if (dff_mode && clk_sig.empty()) - // log_cmd_error("Clock domain %s not found.\n", clk_str.c_str()); + if (dff_mode && clk_sig.empty()) + log_cmd_error("Clock domain %s not found.\n", clk_str.c_str()); std::string tempdir_name = "/tmp/yosys-abc-XXXXXX"; if (!cleanup) @@ -383,7 +357,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri fprintf(f, "%s\n", abc_script.c_str()); fclose(f); - if (/*dff_mode ||*/ !clk_str.empty()) + if (dff_mode || !clk_str.empty()) { if (clk_sig.size() == 0) log("No%s clock domain found. Not extracting any FF cells.\n", clk_str.empty() ? "" : " matching"); @@ -413,16 +387,13 @@ 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"); //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); -#if 0 - Pass::call(design, stringf("write_verilog -noexpr -norename %s/before.v", tempdir_name.c_str())); -#endif Pass::call(design, stringf("write_xaiger -map %s/input.sym %s/input.xaig", tempdir_name.c_str(), tempdir_name.c_str())); std::string buffer; @@ -531,12 +502,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri for (int i = 0; i < GetSize(w); i++) output_bits.insert({wire, i}); } - - auto jt = w->attributes.find("\\init"); - if (jt != w->attributes.end()) { - auto r = remap_wire->attributes.insert(std::make_pair("\\init", jt->second)); - log_assert(r.second); - } } for (auto &it : module->connections_) { @@ -550,7 +515,8 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri dict abc_box; vector boxes; - for (auto cell : module->selected_cells()) { + for (const auto &it : module->cells_) { + auto cell = it.second; if (cell->type.in(ID($_AND_), ID($_NOT_))) { module->remove(cell); continue; @@ -570,23 +536,25 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri dict> bit2sinks; std::map cell_stats; - for (auto mapped_cell : mapped_mod->cells()) + for (auto c : mapped_mod->cells()) { - toposort.node(mapped_cell->name); + toposort.node(c->name); RTLIL::Cell *cell = nullptr; - if (mapped_cell->type == ID($_NOT_)) { - RTLIL::SigBit a_bit = mapped_cell->getPort(ID::A); - RTLIL::SigBit y_bit = mapped_cell->getPort(ID::Y); + if (c->type == ID($_NOT_)) { + RTLIL::SigBit a_bit = c->getPort(ID::A); + RTLIL::SigBit y_bit = c->getPort(ID::Y); + bit_users[a_bit].insert(c->name); + bit_drivers[y_bit].insert(c->name); if (!a_bit.wire) { - mapped_cell->setPort(ID::Y, module->addWire(NEW_ID)); + c->setPort(ID::Y, module->addWire(NEW_ID)); RTLIL::Wire *wire = module->wire(remap_name(y_bit.wire->name)); log_assert(wire); module->connect(RTLIL::SigBit(wire, y_bit.offset), State::S1); } - else { - RTLIL::Cell* driving_lut = nullptr; + else if (!lut_costs.empty() || !lut_file.empty()) { + RTLIL::Cell* driver_lut = nullptr; // ABC can return NOT gates that drive POs if (!a_bit.wire->port_input) { // If it's not a NOT gate that that comes from a PI directly, @@ -598,46 +566,46 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri 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); - driving_lut = mapped_mod->cell(driver_name); + driver_lut = mapped_mod->cell(driver_name); } - if (!driving_lut) { + if (!driver_lut) { // If a driver couldn't be found (could be from PI or box CI) // then implement using a LUT - cell = module->addLut(remap_name(stringf("%s$lut", mapped_cell->name.c_str())), + cell = module->addLut(remap_name(stringf("%s$lut", c->name.c_str())), RTLIL::SigBit(module->wires_.at(remap_name(a_bit.wire->name)), a_bit.offset), RTLIL::SigBit(module->wires_.at(remap_name(y_bit.wire->name)), y_bit.offset), RTLIL::Const::from_string("01")); bit2sinks[cell->getPort(ID::A)].push_back(cell); cell_stats[ID($lut)]++; - bit_users[a_bit].insert(mapped_cell->name); - bit_drivers[y_bit].insert(mapped_cell->name); } else - not2drivers[mapped_cell] = driving_lut; + not2drivers[c] = driver_lut; continue; } + else + log_abort(); if (cell && markgroups) cell->attributes[ID(abcgroup)] = map_autoidx; continue; } - cell_stats[mapped_cell->type]++; + cell_stats[c->type]++; RTLIL::Cell *existing_cell = nullptr; - if (mapped_cell->type == ID($lut)) { - if (GetSize(mapped_cell->getPort(ID::A)) == 1 && mapped_cell->getParam(ID(LUT)) == RTLIL::Const::from_string("01")) { - SigSpec my_a = module->wires_.at(remap_name(mapped_cell->getPort(ID::A).as_wire()->name)); - SigSpec my_y = module->wires_.at(remap_name(mapped_cell->getPort(ID::Y).as_wire()->name)); + if (c->type == ID($lut)) { + if (GetSize(c->getPort(ID::A)) == 1 && c->getParam(ID(LUT)) == RTLIL::Const::from_string("01")) { + SigSpec my_a = module->wires_.at(remap_name(c->getPort(ID::A).as_wire()->name)); + SigSpec my_y = module->wires_.at(remap_name(c->getPort(ID::Y).as_wire()->name)); module->connect(my_y, my_a); - if (markgroups) mapped_cell->attributes[ID(abcgroup)] = map_autoidx; + if (markgroups) c->attributes[ID(abcgroup)] = map_autoidx; log_abort(); continue; } - cell = module->addCell(remap_name(mapped_cell->name), mapped_cell->type); + cell = module->addCell(remap_name(c->name), c->type); } else { - existing_cell = module->cell(mapped_cell->name); + existing_cell = module->cell(c->name); log_assert(existing_cell); - cell = module->addCell(remap_name(mapped_cell->name), mapped_cell->type); + cell = module->addCell(remap_name(c->name), c->type); module->swap_names(cell, existing_cell); } @@ -647,11 +615,10 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri cell->attributes = existing_cell->attributes; } else { - cell->parameters = mapped_cell->parameters; - cell->attributes = mapped_cell->attributes; + cell->parameters = c->parameters; + cell->attributes = c->attributes; } - - for (auto &conn : mapped_cell->connections()) { + for (auto &conn : c->connections()) { RTLIL::SigSpec newsig; for (auto c : conn.second.chunks()) { if (c.width == 0) @@ -667,11 +634,11 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri for (auto i : newsig) bit2sinks[i].push_back(cell); for (auto i : conn.second) - bit_users[i].insert(mapped_cell->name); + bit_users[i].insert(c->name); } if (cell->output(conn.first)) for (auto i : conn.second) - bit_drivers[i].insert(mapped_cell->name); + bit_drivers[i].insert(c->name); } } @@ -697,27 +664,29 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } for (auto &it : cell_stats) - log("ABC RESULTS: %15s cells: %8d\n", log_id(it.first), it.second); + log("ABC RESULTS: %15s cells: %8d\n", it.first.c_str(), it.second); int in_wires = 0, out_wires = 0; // Stitch in mapped_mod's inputs/outputs into module - for (auto port_name : mapped_mod->ports) { - RTLIL::Wire *port = mapped_mod->wire(port_name); - log_assert(port); - RTLIL::Wire *wire = module->wire(port->name); + for (auto &it : mapped_mod->wires_) { + RTLIL::Wire *w = it.second; + 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(port->name)); + RTLIL::Wire *remap_wire = module->wire(remap_name(w->name)); 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); RTLIL::SigSig conn; - if (port->port_input) { + if (w->port_input) { conn.first = remap_wire; conn.second = signal; in_wires++; module->connect(conn); } - if (port->port_output) { + if (w->port_output) { conn.first = signal; conn.second = remap_wire; out_wires++; @@ -730,21 +699,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri for (auto driver_cell : bit_drivers.at(it.first)) for (auto user_cell : it.second) toposort.edge(driver_cell, user_cell); -#if 0 - toposort.analyze_loops = true; -#endif bool no_loops YS_ATTRIBUTE(unused) = toposort.sort(); -#if 0 - unsigned i = 0; - for (auto &it : toposort.loops) { - log(" loop %d\n", i++); - for (auto cell_name : it) { - auto cell = mapped_mod->cell(cell_name); - log_assert(cell); - log("\t%s (%s @ %s)\n", log_id(cell), log_id(cell->type), cell->get_src_attribute().c_str()); - } - } -#endif log_assert(no_loops); for (auto ii = toposort.sorted.rbegin(); ii != toposort.sorted.rend(); ii++) { @@ -1045,7 +1000,7 @@ struct Abc9Pass : public Pass { fast_mode = true; continue; } - //if (arg == "-retime") { + //if (arg == "-dff") { // dff_mode = true; // continue; //} @@ -1085,11 +1040,7 @@ struct Abc9Pass : public Pass { } extra_args(args, argidx, design); - if (lut_costs.empty() && lut_file.empty()) - log_cmd_error("abc9 must be called with '-lut' or '-luts'\n"); - dict box_lookup; - dict> scc_break_inputs; for (auto m : design->modules()) { auto it = m->attributes.find(ID(abc_box_id)); if (it == m->attributes.end()) @@ -1107,17 +1058,13 @@ 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; @@ -1167,14 +1114,9 @@ struct Abc9Pass : public Pass { assign_map.set(mod); if (!dff_mode || !clk_str.empty()) { - design->selection_stack.emplace_back(false); - RTLIL::Selection& sel = design->selection_stack.back(); - sel.select(mod); - - abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, false, clk_str, keepff, + 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); - design->selection_stack.pop_back(); + box_file, lut_file, wire_delay, box_lookup); continue; } @@ -1194,7 +1136,8 @@ struct Abc9Pass : public Pass { std::map> cell_to_bit, cell_to_bit_up, cell_to_bit_down; std::map> bit_to_cell, bit_to_cell_up, bit_to_cell_down; - for (auto cell : all_cells) { + for (auto cell : all_cells) + { clkdomain_t key; for (auto &conn : cell->connections()) @@ -1228,7 +1171,6 @@ struct Abc9Pass : public Pass { else continue; - unassigned_cells.erase(cell); expand_queue.insert(cell); expand_queue_up.insert(cell); @@ -1313,29 +1255,16 @@ struct Abc9Pass : public Pass { std::get<0>(it.first) ? "" : "!", log_signal(std::get<1>(it.first)), std::get<2>(it.first) ? "" : "!", log_signal(std::get<3>(it.first))); - design->selection_stack.emplace_back(false); - for (auto &it : assigned_cells) { - // FIXME: abc9_module calls below can delete cells, - // leaving a dangling pointer here... clk_polarity = std::get<0>(it.first); clk_sig = assign_map(std::get<1>(it.first)); en_polarity = std::get<2>(it.first); en_sig = assign_map(std::get<3>(it.first)); - - pool assigned_names; - for (auto i : it.second) - assigned_names.insert(i->name); - RTLIL::Selection& sel = design->selection_stack.back(); - sel.selected_members[mod->name] = std::move(assigned_names); - 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); } - - design->selection_stack.pop_back(); } assign_map.clear(); -- cgit v1.2.3 From c4e53108230c246ecf1b014b11c240b71ed39a8a Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Wed, 28 Aug 2019 20:58:55 -0700 Subject: Use a dummy box file if none specified --- passes/techmap/abc9.cc | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 968c68b70..11fe9c4a5 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -1027,9 +1027,6 @@ 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()) { @@ -1040,6 +1037,14 @@ 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 box_lookup; for (auto m : design->modules()) { auto it = m->attributes.find(ID(abc_box_id)); -- cgit v1.2.3 From 694a8f75cf7a8bcf86a421ca6c9fe3560b1e2a0f Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Tue, 27 Aug 2019 00:55:43 +0200 Subject: Add flatten handling of pre-existing wires as created by interfaces, fixes #1145 Signed-off-by: Clifford Wolf --- passes/techmap/techmap.cc | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index c4496f76f..cb01cadb1 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -211,14 +211,26 @@ struct TechmapWorker 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) + log_error("Signal %s.%s conflicts with %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)); + 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); + } + } else { + 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); } -- cgit v1.2.3 From 30f1ac7ce9c44ac5cbd4ad7e389264246a1e3306 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Thu, 5 Sep 2019 13:51:53 +0200 Subject: Rename conflicting wires on flatten/techmap, add "hierconn" attribute, fixes #1220 Signed-off-by: Clifford Wolf --- passes/techmap/techmap.cc | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) (limited to 'passes/techmap') diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index cb01cadb1..5ce1bf7d6 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -205,6 +205,7 @@ struct TechmapWorker } std::map positional_ports; + dict temp_renamed_wires; for (auto &it : tpl->wires_) { if (it.second->port_id > 0) @@ -213,15 +214,20 @@ struct TechmapWorker apply_prefix(cell->name, w_name); RTLIL::Wire *w = module->wire(w_name); if (w != nullptr) { - if (!flatten_mode) - log_error("Signal %s.%s conflicts with %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)); - 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 (!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); + } } - } else { + } + if (w == nullptr) { w = module->addWire(w_name, it.second); w->port_input = false; w->port_output = false; @@ -392,6 +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 &handled_cells, -- cgit v1.2.3