3dbx: parser ~ bottom region

Signed-off-by: osamahammad21 <[email protected]>

Author: osamahammad21

src/odb/src/3dblox/3dblox.cpp

@@ -34,7 +34,7 @@ void ThreeDBlox::readDbv(const std::string& dbv_file)
   } else {
     if (data.header.precision > db_->getDbuPerMicron()) {
       logger_->error(utl::ODB,
-                     515,
+                     526,
                      "3DBV Parser Error: Precision is greater than dbu per "
                      "micron already set for database");
     } else if (db_->getDbuPerMicron() % data.header.precision != 0) {
@@ -108,7 +108,7 @@ dbChip::ChipType getChipType(const std::string& type, utl::Logger* logger)
     return dbChip::ChipType::HIER;
   }
   logger->error(
-      utl::ODB, 517, "3DBV Parser Error: Invalid chip type: {}", type);
+      utl::ODB, 527, "3DBV Parser Error: Invalid chip type: {}", type);
 }
 void ThreeDBlox::createChiplet(const ChipletDef& chiplet)
 {
@@ -150,7 +150,7 @@ dbChipRegion::Side getChipRegionSide(const std::string& side,
     return dbChipRegion::Side::INTERNAL_EXT;
   }
   logger->error(
-      utl::ODB, 518, "3DBV Parser Error: Invalid chip region side: {}", side);
+      utl::ODB, 528, "3DBV Parser Error: Invalid chip region side: {}", side);
 }
 void ThreeDBlox::createRegion(const ChipletRegion& region, dbChip* chip)
 {

src/odb/test/cpp/Test3DBloxParser.cpp

@@ -101,14 +101,27 @@ BOOST_FIXTURE_TEST_CASE(test_3dbx, F_DBV_PARSER)
                     300.0 * db->getDbuPerMicron());
   BOOST_CHECK_EQUAL(soc_inst_duplicate->getOrient().getString(), "MZ");
   auto connections = db->getChipConns();
-  BOOST_CHECK_EQUAL(connections.size(), 1);
-  auto connection = *connections.begin();
+  BOOST_CHECK_EQUAL(connections.size(), 2);
+  auto itr = connections.begin();
+  auto connection = *itr++;
   BOOST_CHECK_EQUAL(connection->getName(), "soc_to_soc");
   BOOST_CHECK_EQUAL(connection->getTopRegion()->getChipInst()->getName(),
                     "soc_inst_duplicate");
   BOOST_CHECK_EQUAL(connection->getBottomRegion()->getChipInst()->getName(),
                     "soc_inst");
   BOOST_CHECK_EQUAL(connection->getThickness(), 2.0 * db->getDbuPerMicron());
+  connection = *itr;
+  BOOST_CHECK_EQUAL(connection->getName(), "soc_to_virtual");
+  BOOST_CHECK_EQUAL(connection->getTopRegion()->getChipInst()->getName(),
+                    "soc_inst_duplicate");
+  BOOST_CHECK_EQUAL(connection->getTopRegionPath().size(), 1);
+  BOOST_CHECK_EQUAL(connection->getTopRegionPath()[0]->getName(),
+                    "soc_inst_duplicate");
+  BOOST_CHECK_EQUAL(connection->getTopRegion()->getChipRegion()->getName(),
+                    "r1");
+  BOOST_CHECK_EQUAL(connection->getBottomRegionPath().size(), 0);
+  BOOST_CHECK_EQUAL(connection->getBottomRegion(), nullptr);
+  BOOST_CHECK_EQUAL(connection->getThickness(), 0.0);
 }
 
 BOOST_AUTO_TEST_SUITE_END()

src/odb/test/data/example.3dbx

@@ -38,4 +38,8 @@ Connection:
   soc_to_soc:
     top: soc_inst_duplicate.regions.r1
     bot: soc_inst.regions.r1
-    thickness: 2.0
+    thickness: 2.0
+  soc_to_virtual:
+    top: soc_inst_duplicate.regions.r1
+    bot: ~
+    thickness: 0.0