klayout/src/db/unit_tests/dbLayoutToNetlistReaderTest...

476 lines
19 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2021 Matthias Koefferlein
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dbLayoutToNetlist.h"
#include "dbLayoutToNetlistReader.h"
#include "dbLayoutToNetlistWriter.h"
#include "dbStream.h"
#include "dbCommonReader.h"
#include "dbNetlistDeviceExtractorClasses.h"
#include "dbTestSupport.h"
#include "tlUnitTest.h"
#include "tlStream.h"
#include "tlFileUtils.h"
TEST(1_ReaderBasic)
{
db::LayoutToNetlist l2n;
std::string in_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_in.txt");
tl::InputStream is_in (in_path);
db::LayoutToNetlistStandardReader reader (is_in);
reader.read (&l2n);
// verify against the input
std::string path = tmp_file ("tmp_l2nreader_1.txt");
{
tl::OutputStream stream (path);
db::LayoutToNetlistStandardWriter writer (stream, false);
writer.write (&l2n);
}
std::string au_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_in.txt");
compare_text_files (path, au_path);
// test build_all_nets from read l2n
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2, true /*with device cells*/);
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
lmap [ly2.insert_layer (db::LayerProperties (3, 0)) ] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (4, 0)) ] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0)) ] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0)) ] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (7, 0)) ] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0)) ] = l2n.layer_by_name ("metal2");
l2n.build_all_nets (cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_Disconnected, 0, "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_1.gds");
db::compare_layouts (_this, ly2, au);
}
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
lmap [ly2.insert_layer (db::LayerProperties (3, 0)) ] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (4, 0)) ] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0)) ] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0)) ] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (7, 0)) ] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0)) ] = l2n.layer_by_name ("metal2");
std::vector<const db::Net *> nets;
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VSS"));
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("FB"));
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2, nets);
l2n.build_nets (&nets, cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_Disconnected, 0, "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_1b.gds");
db::compare_layouts (_this, ly2, au);
}
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
lmap [ly2.insert_layer (db::LayerProperties (3, 0)) ] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (4, 0)) ] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0)) ] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0)) ] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (7, 0)) ] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0)) ] = l2n.layer_by_name ("metal2");
std::vector<const db::Net *> nets;
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VSS"));
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VDD"));
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2, nets);
l2n.build_nets (&nets, cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_Flatten, 0, "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_1c.gds");
db::compare_layouts (_this, ly2, au);
}
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
lmap [ly2.insert_layer (db::LayerProperties (3, 0)) ] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (4, 0)) ] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0)) ] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0)) ] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (7, 0)) ] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0)) ] = l2n.layer_by_name ("metal2");
std::vector<const db::Net *> nets;
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VSS"));
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VDD"));
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2, nets);
l2n.build_nets (&nets, cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_SubcircuitCells, "CIRCUIT_", "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_1d.gds");
db::compare_layouts (_this, ly2, au);
}
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
lmap [ly2.insert_layer (db::LayerProperties (3, 0)) ] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (4, 0)) ] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0)) ] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0)) ] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (7, 0)) ] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0)) ] = l2n.layer_by_name ("metal2");
std::vector<const db::Net *> nets;
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VSS"));
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VDD"));
nets.push_back (l2n.netlist ()->circuit_by_name ("INV2")->net_by_name ("IN"));
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2, nets);
l2n.build_nets (&nets, cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_SubcircuitCells, "CIRCUIT_", 0);
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_1e.gds");
db::compare_layouts (_this, ly2, au);
}
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
lmap [ly2.insert_layer (db::LayerProperties (3, 0)) ] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (4, 0)) ] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0)) ] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0)) ] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (7, 0)) ] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0)) ] = l2n.layer_by_name ("metal2");
std::vector<const db::Net *> nets;
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VSS"));
nets.push_back (l2n.netlist ()->circuit_by_name ("RINGO")->net_by_name ("VDD"));
nets.push_back (l2n.netlist ()->circuit_by_name ("INV2")->net_by_name ("IN"));
db::CellMapping cm = l2n.const_cell_mapping_into (ly2, top2);
l2n.build_nets (&nets, cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_SubcircuitCells, "CIRCUIT_", "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_1f.gds");
db::compare_layouts (_this, ly2, au);
}
}
TEST(1b_ReaderBasicShort)
{
EXPECT_EQ (true, true); // removes "unreferenced _this" compiler warning
db::LayoutToNetlist l2n;
std::string in_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_in_s.txt");
tl::InputStream is_in (in_path);
db::LayoutToNetlistStandardReader reader (is_in);
reader.read (&l2n);
// verify against the input
std::string path = tmp_file ("tmp.txt");
{
tl::OutputStream stream (path);
db::LayoutToNetlistStandardWriter writer (stream, true);
writer.write (&l2n);
}
std::string au_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_in_s.txt");
compare_text_files (path, au_path);
}
TEST(1c_ReaderBasicShortWithProps)
{
db::LayoutToNetlist l2n;
std::string in_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_in_p.txt");
tl::InputStream is_in (in_path);
db::LayoutToNetlistStandardReader reader (is_in);
reader.read (&l2n);
// verify against the input
std::string path = tmp_file ("tmp.txt");
{
tl::OutputStream stream (path);
db::LayoutToNetlistStandardWriter writer (stream, true);
writer.write (&l2n);
}
std::string au_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_in_p.txt");
compare_text_files (path, au_path);
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (3, 0))] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (3, 1))] = l2n.layer_by_name ("poly_lbl");
lmap [ly2.insert_layer (db::LayerProperties (4, 0))] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0))] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0))] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (6, 1))] = l2n.layer_by_name ("metal1_lbl");
lmap [ly2.insert_layer (db::LayerProperties (7, 0))] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0))] = l2n.layer_by_name ("metal2");
lmap [ly2.insert_layer (db::LayerProperties (8, 1))] = l2n.layer_by_name ("metal2_lbl");
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2);
l2n.build_all_nets (cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_Disconnected, 0, "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_p.oas");
db::compare_layouts (_this, ly2, au, db::WriteOAS);
}
}
TEST(2_ReaderWithGlobalNets)
{
db::LayoutToNetlist l2n;
std::string in_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_au.txt");
tl::InputStream is_in (in_path);
db::LayoutToNetlistStandardReader reader (is_in);
reader.read (&l2n);
// verify against the input
std::string path = tmp_file ("tmp.txt");
{
tl::OutputStream stream (path);
db::LayoutToNetlistStandardWriter writer (stream, false);
writer.write (&l2n);
}
std::string au_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_au.txt");
compare_text_files (path, au_path);
// test build_all_nets from read l2n
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2, true /*with device cells*/);
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
lmap [ly2.insert_layer (db::LayerProperties (12, 0))] = l2n.layer_by_name ("rbulk");
lmap [ly2.insert_layer (db::LayerProperties (13, 0))] = l2n.layer_by_name ("ptie");
lmap [ly2.insert_layer (db::LayerProperties (14, 0))] = l2n.layer_by_name ("ntie");
lmap [ly2.insert_layer (db::LayerProperties (1, 0)) ] = l2n.layer_by_name ("nwell");
lmap [ly2.insert_layer (db::LayerProperties (3, 0)) ] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (4, 0)) ] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0)) ] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0)) ] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (7, 0)) ] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0)) ] = l2n.layer_by_name ("metal2");
l2n.build_all_nets (cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_SubcircuitCells, "CIRCUIT_", "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_2r.gds");
db::compare_layouts (_this, ly2, au);
}
}
TEST(3_ReaderAbsoluteCoordinates)
{
db::LayoutToNetlist l2n;
std::string in_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_au_abs.txt");
tl::InputStream is_in (in_path);
db::LayoutToNetlistStandardReader reader (is_in);
reader.read (&l2n);
// verify against the input
std::string path = tmp_file ("tmp.txt");
{
tl::OutputStream stream (path);
db::LayoutToNetlistStandardWriter writer (stream, false);
writer.write (&l2n);
}
std::string au_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_au.txt");
compare_text_files (path, au_path);
// test build_all_nets from read l2n
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2, true /*with device cells*/);
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
lmap [ly2.insert_layer (db::LayerProperties (12, 0))] = l2n.layer_by_name ("rbulk");
lmap [ly2.insert_layer (db::LayerProperties (13, 0))] = l2n.layer_by_name ("ptie");
lmap [ly2.insert_layer (db::LayerProperties (14, 0))] = l2n.layer_by_name ("ntie");
lmap [ly2.insert_layer (db::LayerProperties (1, 0)) ] = l2n.layer_by_name ("nwell");
lmap [ly2.insert_layer (db::LayerProperties (3, 0)) ] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (4, 0)) ] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0)) ] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0)) ] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (7, 0)) ] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0)) ] = l2n.layer_by_name ("metal2");
l2n.build_all_nets (cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_SubcircuitCells, "CIRCUIT_", "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_2r.gds");
db::compare_layouts (_this, ly2, au);
}
}
TEST(4_ReaderCombinedDevices)
{
db::LayoutToNetlist l2n;
// build from: testdata/algo/l2n_reader_4.gds
std::string in_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_4.l2n");
tl::InputStream is_in (in_path);
db::LayoutToNetlistStandardReader reader (is_in);
reader.read (&l2n);
// verify against the input
std::string path = tmp_file ("tmp.txt");
{
tl::OutputStream stream (path);
db::LayoutToNetlistStandardWriter writer (stream, false);
writer.write (&l2n);
}
std::string au_path = tl::combine_path (tl::combine_path (tl::testdata (), "algo"), "l2n_reader_au_4.l2n");
compare_text_files (path, au_path);
// test build_all_nets from read l2n
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2, true /*with device cells*/);
std::map<unsigned int, const db::Region *> lmap = l2n.create_layermap (ly2, 1000);
l2n.build_all_nets (cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_SubcircuitCells, "CIRCUIT_", "DEVICE_");
std::string au = tl::testdata ();
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_reader_au_4.gds");
db::compare_layouts (_this, ly2, au);
}
}