systemc: Centralize how object parents are chosen.

There's a lot of repeated code for this. Also, the sc_vector type
needs to be able to artificially inject a parent for the objects it
creates.

Change-Id: I76f9b551632cd2cd70e26741b215290b35c382e9
Reviewed-on: https://gem5-review.googlesource.com/c/13194
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

1 files changed, 26 insertions, 3 deletions

diff --git a/src/systemc/core/module.hh b/src/systemc/core/module.hh
index aa723368a..695f30565 100644
--- a/src/systemc/core/module.hh
+++ b/src/systemc/core/module.hh
@@ -80,10 +80,15 @@ class Module
     UniqueNameGen nameGen;
 
   public:
-
     Module(const char *name);
     ~Module();
 
+    static Module *
+    fromScModule(::sc_core::sc_module *mod)
+    {
+        return mod->_gem5_module;
+    }
+
     void finish(Object *this_obj);
 
     const char *name() const { return _name; }
@@ -130,8 +135,26 @@ Module *currentModule();
 Module *newModuleChecked();
 Module *newModule();
 
-void callbackModule(Module *m);
-Module *callbackModule();
+static inline Module *
+pickParentModule()
+{
+    ::sc_core::sc_object *obj = pickParentObj();
+    auto mod = dynamic_cast<::sc_core::sc_module *>(obj);
+    if (!mod)
+        return nullptr;
+    return Module::fromScModule(mod);
+}
+static inline void
+pushParentModule(Module *m)
+{
+    pushParentObj(m->obj()->sc_obj());
+}
+static inline void
+popParentModule()
+{
+    assert(pickParentModule());
+    popParentObj();
+}
 
 extern std::list<Module *> allModules;