systemc: Add stubbed out versions of sc_port and sc_export.

Change-Id: I04edb5da995212f9179eeb7a97486031eea71aff
Reviewed-on: https://gem5-review.googlesource.com/10829
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

5 files changed, 381 insertions, 0 deletions

diff --git a/src/systemc/SConscript b/src/systemc/SConscript
index 2a96193f5..9cc76dc7f 100644
--- a/src/systemc/SConscript
+++ b/src/systemc/SConscript
@@ -33,8 +33,10 @@ if env['USE_SYSTEMC']:
     Source('kernel.cc')
 
     Source('sc_event.cc')
+    Source('sc_export.cc')
     Source('sc_interface.cc')
     Source('sc_main.cc')
     Source('sc_module_name.cc')
     Source('sc_object.cc')
+    Source('sc_port.cc')
     Source('sc_time.cc')
diff --git a/src/systemc/sc_export.cc b/src/systemc/sc_export.cc
new file mode 100644
index 000000000..ab1252a92
--- /dev/null
+++ b/src/systemc/sc_export.cc
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2018 Google, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#include "systemc/sc_export.hh"
+
+#include "base/logging.hh"
+
+namespace sc_core
+{
+
+void
+sc_export_base::warn_unimpl(const char *func) const
+{
+    warn("%s not implemented.\n", func);
+}
+
+} // namespace sc_core
diff --git a/src/systemc/sc_export.hh b/src/systemc/sc_export.hh
new file mode 100644
index 000000000..5cbd564a0
--- /dev/null
+++ b/src/systemc/sc_export.hh
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2018 Google, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __SYSTEMC_SC_EXPORT_HH__
+#define __SYSTEMC_SC_EXPORT_HH__
+
+#include "sc_object.hh"
+
+namespace sc_core
+{
+
+class sc_interface;
+
+class sc_export_base : public sc_object
+{
+  public:
+    void warn_unimpl(const char *func) const;
+};
+
+template <class IF>
+class sc_export : public sc_export_base
+{
+  public:
+    sc_export() { warn_unimpl(__PRETTY_FUNCTION__); }
+    explicit sc_export(const char *) { warn_unimpl(__PRETTY_FUNCTION__); }
+    virtual ~sc_export() { warn_unimpl(__PRETTY_FUNCTION__); };
+
+    virtual const char *kind() const { return "sc_export"; }
+
+    void operator () (IF &) { warn_unimpl(__PRETTY_FUNCTION__); };
+    virtual void bind(IF &) { warn_unimpl(__PRETTY_FUNCTION__); };
+    operator IF & () { warn_unimpl(__PRETTY_FUNCTION__); };
+    operator const IF & () const { warn_unimpl(__PRETTY_FUNCTION__); };
+
+    IF *
+    operator -> ()
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return nullptr;
+    }
+    const IF *
+    operator -> () const
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return nullptr;
+    }
+
+    virtual sc_interface *
+    get_iterface()
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return nullptr;
+    }
+    virtual const sc_interface *
+    get_interface() const
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return nullptr;
+    }
+
+  protected:
+    virtual void before_end_of_elaboration() {}
+    virtual void end_of_elaboration() {}
+    virtual void start_of_simulation() {}
+    virtual void end_of_simulation() {}
+
+  private:
+    // Disabled
+    sc_export(const sc_export<IF> &);
+    sc_export<IF> &operator = (const sc_export<IF> &);
+};
+
+} // namespace sc_core
+
+#endif  //__SYSTEMC_SC_EXPORT_HH__
diff --git a/src/systemc/sc_port.cc b/src/systemc/sc_port.cc
new file mode 100644
index 000000000..42c55bd46
--- /dev/null
+++ b/src/systemc/sc_port.cc
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2018 Google, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#include "systemc/sc_port.hh"
+
+#include "base/logging.hh"
+
+namespace sc_core
+{
+
+void
+sc_port_base::warn_unimpl(const char *func)
+{
+    warn("%s not implemented.\n", func);
+}
+
+} // namespace sc_core
diff --git a/src/systemc/sc_port.hh b/src/systemc/sc_port.hh
new file mode 100644
index 000000000..6c39667ea
--- /dev/null
+++ b/src/systemc/sc_port.hh
@@ -0,0 +1,192 @@
+/*
+ * Copyright 2018 Google, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __SYSTEMC_SC_PORT_HH__
+#define __SYSTEMC_SC_PORT_HH__
+
+#include "sc_object.hh"
+
+namespace sc_core
+{
+
+class sc_interface;
+
+enum sc_port_policy
+{
+    SC_ONE_OR_MORE_BOUND, // Default
+    SC_ZERO_OR_MORE_BOUND,
+    SC_ALL_BOUND
+};
+
+class sc_port_base : public sc_object
+{
+  public:
+    void warn_unimpl(const char *func);
+};
+
+template <class IF>
+class sc_port_b : public sc_port_base
+{
+  public:
+    void
+    operator () (IF &)
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    void
+    operator () (sc_port_b<IF> &)
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    virtual void
+    bind(IF &)
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    virtual void
+    bind(sc_port_b<IF> &)
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    int
+    size() const
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return 0;
+    }
+
+    IF *
+    operator -> ()
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return (IF *)nullptr;
+    }
+
+    const IF *
+    operator -> () const
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return (IF *)nullptr;
+    }
+
+    IF *
+    operator [] (int)
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return (IF *)nullptr;
+    }
+
+    const IF *
+    operator [] (int) const
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return (IF *)nullptr;
+    }
+
+    virtual sc_interface *
+    get_interface()
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return (sc_interface *)nullptr;
+    }
+
+    virtual const sc_interface *
+    get_interface() const
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return (sc_interface *)nullptr;
+    }
+
+  protected:
+    virtual void before_end_of_elaboration() {}
+    virtual void end_of_elaboration() {}
+    virtual void start_of_elaboration() {}
+    virtual void end_of_simulation() {}
+
+    explicit sc_port_b(int, sc_port_policy)
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    sc_port_b(const char *, int, sc_port_policy)
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    virtual ~sc_port_b()
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+  private:
+    // Disabled
+    sc_port_b() {}
+    sc_port_b(const sc_port_b<IF> &) {}
+    sc_port_b<IF> &operator = (const sc_port_b<IF> &) { return *this; }
+};
+
+template <class IF, int N=1, sc_port_policy P=SC_ONE_OR_MORE_BOUND>
+class sc_port : public sc_port_b<IF>
+{
+  public:
+    sc_port()
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    explicit sc_port(const char *)
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    virtual ~sc_port()
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+    }
+
+    virtual const char *
+    kind() const
+    {
+        warn_unimpl(__PRETTY_FUNCTION__);
+        return "";
+    }
+
+  private:
+    // Disabled
+    sc_port(const sc_port<IF, N, P> &) {}
+    sc_port<IF, N, P> &operator = (const sc_port<IF, N, P> &) { return *this; }
+};
+
+} // namespace sc_core
+
+#endif  //__SYSTEMC_SC_PORT_HH__