Merge branch 'master' of https://github.com/The-OpenROAD-Project-private/OpenROAD into secure-fix-cts-del-modnet

Signed-off-by: Jaehyun Kim <[email protected]>

Author: jhkim-pii

.gitignore

@@ -21,6 +21,7 @@ TAGS
 Makefile
 __pycache__
 venv/
+.abc_history
 
 include/ord/Version.hh
 

BUILD.bazel

@@ -50,8 +50,10 @@ OPENROAD_LIBRARY_DEPS = [
     ":ord",
     "//src/ant",
     "//src/ant:ui",
+    "//src/cgt",
     "//src/cts",
     "//src/cts:ui",
+    "//src/cut",
     "//src/dbSta",
     "//src/dbSta:ui",
     "//src/dft",

MODULE.bazel

@@ -196,8 +196,8 @@ maven = use_extension("@rules_jvm_external//:extensions.bzl", "maven")
 maven.install(
     name = "openroad_maven",
     artifacts = [
-        "org.chipsalliance:chisel_2.13:7.0.0-RC3",
-        "org.chipsalliance:chisel-plugin_2.13.16:7.0.0-RC3",
+        "org.chipsalliance:chisel_2.13:7.0.0",
+        "org.chipsalliance:chisel-plugin_2.13.16:7.0.0",
     ],
     repositories = [
         "https://repo1.maven.org/maven2",

docs/toc.yml

@@ -62,6 +62,8 @@ entries:
     title: Static Timing Analyzer (external)
   - file: main/src/rsz/README
     title: Gate Resizing
+  - file: main/src/cgt/README
+    title: Clock gating
   - file: main/src/dpl/README
     title: Detailed Placement
   - file: main/src/cts/README

include/ord/Design.h

@@ -63,6 +63,10 @@ namespace tap {
 class Tapcell;
 }
 
+namespace cgt {
+class ClockGating;
+}
+
 namespace cts {
 class TritonCTS;
 }
@@ -157,6 +161,7 @@ class Design
 
   // Services
   ant::AntennaChecker* getAntennaChecker();
+  cgt::ClockGating* getClockGating();
   cts::TritonCTS* getTritonCts();
   dft::Dft* getDft();
   dpl::Opendp* getOpendp();

include/ord/OpenRoad.hh

@@ -35,6 +35,10 @@ namespace ppl {
 class IOPlacer;
 }
 
+namespace cgt {
+class ClockGating;
+}
+
 namespace rmp {
 class Restructure;
 }
@@ -146,6 +150,7 @@ class OpenRoad
   odb::dbDatabase* getDb() { return db_; }
   sta::dbSta* getSta() { return sta_; }
   sta::dbNetwork* getDbNetwork();
+  cgt::ClockGating* getClockGating() { return clock_gating_; }
   rsz::Resizer* getResizer() { return resizer_; }
   rmp::Restructure* getRestructure() { return restructure_; }
   cts::TritonCTS* getTritonCts() { return tritonCts_; }
@@ -252,6 +257,7 @@ class OpenRoad
   mpl::MacroPlacer* macro_placer_ = nullptr;
   exa::Example* example_ = nullptr;
   grt::GlobalRouter* global_router_ = nullptr;
+  cgt::ClockGating* clock_gating_ = nullptr;
   rmp::Restructure* restructure_ = nullptr;
   cts::TritonCTS* tritonCts_ = nullptr;
   tap::Tapcell* tapcell_ = nullptr;
@@ -278,5 +284,6 @@ class OpenRoad
 
 int tclAppInit(Tcl_Interp* interp);
 int tclInit(Tcl_Interp* interp);
+void abcInit();
 
 }  // namespace ord

src/CMakeLists.txt

@@ -264,7 +264,9 @@ add_subdirectory(exa)
 add_subdirectory(fin)
 add_subdirectory(ppl)
 add_subdirectory(rmp)
+add_subdirectory(cgt)
 add_subdirectory(cts)
+add_subdirectory(cut)
 add_subdirectory(grt)
 add_subdirectory(tap)
 add_subdirectory(rcx)
@@ -328,7 +330,9 @@ target_link_libraries(openroad
   odbtcl
   rcx
   rmp
+  cgt
   cts
+  cut
   grt
   tap
   gui
@@ -409,6 +413,7 @@ if (Python3_FOUND AND BUILD_PYTHON)
     exa_py
     ppl_py
     tap_py
+    cgt_py
     cts_py
     drt_py
     fin_py

src/Design.cc

@@ -273,6 +273,11 @@ tap::Tapcell* Design::getTapcell()
   return getOpenRoad()->getTapcell();
 }
 
+cgt::ClockGating* Design::getClockGating()
+{
+  return getOpenRoad()->getClockGating();
+}
+
 cts::TritonCTS* Design::getTritonCts()
 {
   return getOpenRoad()->getTritonCts();

src/Main.cc

@@ -67,6 +67,7 @@ using std::string;
   X(par)                                 \
   X(rcx)                                 \
   X(rmp)                                 \
+  X(cgt)                                 \
   X(stt)                                 \
   X(psm)                                 \
   X(pdn)                                 \
@@ -88,6 +89,7 @@ static const char* log_filename = nullptr;
 static const char* metrics_filename = nullptr;
 static bool no_settings = false;
 static bool minimize = false;
+static bool abc_initialized = false;
 
 static const char* init_filename = ".openroad";
 
@@ -167,6 +169,12 @@ static void initPython()
 }
 #endif
 
+namespace abc {
+// Forward declare instead of including to avoid warnings from ABC
+void Abc_Start();
+void Abc_Stop();
+}  // namespace abc
+
 static volatile sig_atomic_t fatal_error_in_progress = 0;
 
 // When we enter through main() we have a single tech and design.
@@ -301,6 +309,10 @@ int main(int argc, char* argv[])
   // Set argc to 1 so Tcl_Main doesn't source any files.
   // Tcl_Main never returns.
   Tcl_Main(1, argv, ord::tclAppInit);
+
+  if (abc_initialized) {
+    abc::Abc_Stop();
+  }
   return 0;
 }
 
@@ -516,6 +528,14 @@ int ord::tclInit(Tcl_Interp* interp)
   return tclAppInit(cmd_argc, cmd_argv, init_filename, interp);
 }
 
+void ord::abcInit()
+{
+  if (!abc_initialized) {
+    abc::Abc_Start();
+    abc_initialized = true;
+  }
+}
+
 static void showUsage(const char* prog, const char* init_filename)
 {
   printf("Usage: %s [-help] [-version] [-no_init] [-no_splash] [-exit] ", prog);

src/OpenRoad.cc

@@ -20,6 +20,7 @@
 #endif
 
 #include "ant/MakeAntennaChecker.hh"
+#include "cgt/MakeClockGating.h"
 #include "cts/MakeTritoncts.h"
 #include "db_sta/MakeDbSta.hh"
 #include "db_sta/dbNetwork.hh"
@@ -104,6 +105,7 @@ OpenRoad::~OpenRoad()
   deleteOpendp(opendp_);
   deleteGlobalRouter(global_router_);
   deleteRestructure(restructure_);
+  deleteClockGating(clock_gating_);
   deleteTritonCts(tritonCts_);
   deleteTapcell(tapcell_);
   deleteMacroPlacer(macro_placer_);
@@ -179,6 +181,7 @@ void OpenRoad::init(Tcl_Interp* tcl_interp,
   finale_ = fin::makeFinale();
   global_router_ = grt::makeGlobalRouter();
   restructure_ = rmp::makeRestructure();
+  clock_gating_ = cgt::makeClockGating();
   tritonCts_ = cts::makeTritonCts();
   tapcell_ = tap::makeTapcell();
   macro_placer_ = mpl::makeMacroPlacer();
@@ -259,6 +262,7 @@ void OpenRoad::init(Tcl_Interp* tcl_interp,
                   resizer_,
                   estimate_parasitics_,
                   tcl_interp);
+  cgt::initClockGating(clock_gating_, tcl_interp, logger_, sta_);
   initTritonRoute(detailed_router_,
                   db_,
                   logger_,