From c71791a1ffa566585317a01becd5c33ad452fe57 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Mon, 10 Mar 2014 03:03:08 +0100 Subject: Improvements in verific command --- frontends/verific/verific.cc | 98 ++++++++++++++++++-------------------------- 1 file changed, 39 insertions(+), 59 deletions(-) (limited to 'frontends') diff --git a/frontends/verific/verific.cc b/frontends/verific/verific.cc index 5c2b933c..1b25feca 100644 --- a/frontends/verific/verific.cc +++ b/frontends/verific/verific.cc @@ -220,7 +220,7 @@ static void import_netlist(RTLIL::Design *design, Netlist *nl, std::setName(), inst->View()->Owner()->Name()); + // log(" importing cell %s (%s).\n", inst->Name(), inst->View()->Owner()->Name()); if (inst->Type() == PRIM_PWR) { module->connections.push_back(RTLIL::SigSig(net_map.at(inst->GetOutput()), RTLIL::State::S1)); @@ -242,77 +242,57 @@ static void import_netlist(RTLIL::Design *design, Netlist *nl, std::setType() == PRIM_AND || inst->Type() == PRIM_OR || inst->Type() == PRIM_XOR || inst->Type() == PRIM_XNOR) { - RTLIL::Cell *cell = new RTLIL::Cell; - cell->name = RTLIL::escape_id(inst->Name()); - cell->type = inst->Type() == PRIM_AND ? "$and" : inst->Type() == PRIM_OR ? "$or" : - inst->Type() == PRIM_XOR ? "$xor" : "$xnor"; - cell->parameters["\\A_SIGNED"] = 0; - cell->parameters["\\B_SIGNED"] = 0; - cell->parameters["\\A_WIDTH"] = 1; - cell->parameters["\\B_WIDTH"] = 1; - cell->parameters["\\Y_WIDTH"] = 1; - cell->connections["\\A"] = net_map.at(inst->GetInput1()); - cell->connections["\\B"] = net_map.at(inst->GetInput2()); - cell->connections["\\Y"] = net_map.at(inst->GetOutput()); - module->add(cell); + if (inst->Type() == PRIM_AND) { + module->addAnd(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput())); + continue; + } + + if (inst->Type() == PRIM_OR) { + module->addOr(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput())); + continue; + } + + if (inst->Type() == PRIM_XOR) { + module->addXor(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput())); + continue; + } + + if (inst->Type() == PRIM_XNOR) { + module->addXnor(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput())); continue; } if (inst->Type() == PRIM_INV) { - RTLIL::Cell *cell = new RTLIL::Cell; - cell->name = RTLIL::escape_id(inst->Name()); - cell->type = "$not"; - cell->parameters["\\A_SIGNED"] = 0; - cell->parameters["\\A_WIDTH"] = 1; - cell->parameters["\\Y_WIDTH"] = 1; - cell->connections["\\A"] = net_map.at(inst->GetInput()); - cell->connections["\\Y"] = net_map.at(inst->GetOutput()); - module->add(cell); + module->addNot(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput()), net_map.at(inst->GetOutput())); continue; } if (inst->Type() == PRIM_MUX) { - RTLIL::Cell *cell = new RTLIL::Cell; - cell->name = RTLIL::escape_id(inst->Name()); - cell->type = "$mux"; - cell->parameters["\\WIDTH"] = 1; - cell->connections["\\A"] = net_map.at(inst->GetInput1()); - cell->connections["\\B"] = net_map.at(inst->GetInput2()); - cell->connections["\\S"] = net_map.at(inst->GetControl()); - cell->connections["\\Y"] = net_map.at(inst->GetOutput()); - module->add(cell); + module->addMux(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetControl()), net_map.at(inst->GetOutput())); continue; } if (inst->Type() == PRIM_FADD) { - RTLIL::Cell *cell1 = new RTLIL::Cell; - cell1->name = RTLIL::escape_id(NEW_ID); - cell1->type = "$add"; - cell1->parameters["\\A_SIGNED"] = 0; - cell1->parameters["\\B_SIGNED"] = 0; - cell1->parameters["\\A_WIDTH"] = 1; - cell1->parameters["\\B_WIDTH"] = 1; - cell1->parameters["\\Y_WIDTH"] = 2; - cell1->connections["\\A"] = net_map.at(inst->GetInput1()); - cell1->connections["\\B"] = net_map.at(inst->GetInput2()); - cell1->connections["\\Y"] = module->new_wire(2, NEW_ID); - module->add(cell1); - - RTLIL::Cell *cell2 = new RTLIL::Cell; - cell2->name = RTLIL::escape_id(inst->Name()); - cell2->type = "$add"; - cell2->parameters["\\A_SIGNED"] = 0; - cell2->parameters["\\B_SIGNED"] = 0; - cell2->parameters["\\A_WIDTH"] = 2; - cell2->parameters["\\B_WIDTH"] = 1; - cell2->parameters["\\Y_WIDTH"] = 2; - cell2->connections["\\A"] = cell1->connections["\\Y"]; - cell2->connections["\\B"] = net_map.at(inst->GetCin()); - cell2->connections["\\Y"] = net_map.at(inst->GetOutput()); - cell2->connections["\\Y"].append(net_map.at(inst->GetCout())); - module->add(cell2); + RTLIL::SigSpec a_plus_b = module->new_wire(2, NEW_ID); + RTLIL::SigSpec y = net_map.at(inst->GetOutput()); + y.append(net_map.at(inst->GetCout())); + + module->addAdd(NEW_ID, net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), a_plus_b); + module->addAdd(RTLIL::escape_id(inst->Name()), a_plus_b, net_map.at(inst->GetCin()), y); + continue; + } + + if (inst->Type() == PRIM_DFFRS) + { + RTLIL::SigSpec tmp1 = module->new_wire(1, NEW_ID); + RTLIL::SigSpec tmp2 = module->new_wire(1, NEW_ID); + RTLIL::SigSpec d = module->new_wire(1, NEW_ID); + + module->addOr(NEW_ID, net_map.at(inst->GetInput()), net_map.at(inst->GetSet()), tmp1); + module->addNot(NEW_ID, net_map.at(inst->GetReset()), tmp2); + module->addAnd(NEW_ID, tmp1, tmp2, d); + module->addDff(NEW_ID, net_map.at(inst->GetClock()), d, net_map.at(inst->GetOutput())); continue; } -- cgit v1.2.3