aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/yosys.cc
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/yosys.cc')
-rw-r--r--kernel/yosys.cc38
1 files changed, 38 insertions, 0 deletions
diff --git a/kernel/yosys.cc b/kernel/yosys.cc
index 450e4e4cf..ceb1d1d39 100644
--- a/kernel/yosys.cc
+++ b/kernel/yosys.cc
@@ -57,6 +57,16 @@
# include <sys/sysctl.h>
#endif
+#ifdef WITH_PYTHON
+#if PY_MAJOR_VERSION >= 3
+# define INIT_MODULE PyInit_libyosys
+ extern "C" PyObject* INIT_MODULE();
+#else
+# define INIT_MODULE initlibyosys
+ extern "C" void INIT_MODULE();
+#endif
+#endif
+
#include <limits.h>
#include <errno.h>
@@ -477,21 +487,42 @@ int GetSize(RTLIL::Wire *wire)
return wire->width;
}
+bool already_setup = false;
+
void yosys_setup()
{
+ if(already_setup)
+ return;
+ already_setup = true;
// if there are already IdString objects then we have a global initialization order bug
IdString empty_id;
log_assert(empty_id.index_ == 0);
IdString::get_reference(empty_id.index_);
+ #ifdef WITH_PYTHON
+ PyImport_AppendInittab((char*)"libyosys", INIT_MODULE);
+ Py_Initialize();
+ PyRun_SimpleString("import sys");
+ #endif
+
Pass::init_register();
yosys_design = new RTLIL::Design;
yosys_celltypes.setup();
log_push();
}
+bool yosys_already_setup()
+{
+ return already_setup;
+}
+
+bool already_shutdown = false;
+
void yosys_shutdown()
{
+ if(already_shutdown)
+ return;
+ already_shutdown = true;
log_pop();
delete yosys_design;
@@ -519,9 +550,16 @@ void yosys_shutdown()
dlclose(it.second);
loaded_plugins.clear();
+#ifdef WITH_PYTHON
+ loaded_python_plugins.clear();
+#endif
loaded_plugin_aliases.clear();
#endif
+#ifdef WITH_PYTHON
+ Py_Finalize();
+#endif
+
IdString empty_id;
IdString::put_reference(empty_id.index_);
}