systemc: Initial import of TLM headers from Accellera.

These headers will need to be cleaned up and have some Accellera
specific quirks ironed out of them, but I'll do that in a later change
to make it clear what those changes are.

Change-Id: Ia4e08633ab552b4c616c66c9b7e2bbd78ebfe7b9
Reviewed-on: https://gem5-review.googlesource.com/c/15055
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_ports/tlm_event_finder.h b/src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_ports/tlm_event_finder.h
new file mode 100644
index 000000000..4ca042857
--- /dev/null
+++ b/src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_ports/tlm_event_finder.h
@@ -0,0 +1,76 @@
+/*****************************************************************************
+
+  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+  more contributor license agreements.  See the NOTICE file distributed
+  with this work for additional information regarding copyright ownership.
+  Accellera licenses this file to you under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with the
+  License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.  See the License for the specific language governing
+  permissions and limitations under the License.
+
+ *****************************************************************************/
+
+#ifndef TLM_CORE_TLM_EVENT_FINDER_H_INCLUDED_
+#define TLM_CORE_TLM_EVENT_FINDER_H_INCLUDED_
+
+#include "tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_tag.h"
+
+namespace tlm {
+
+template <class IF , class T>
+class tlm_event_finder_t
+  : public sc_core::sc_event_finder
+{
+public:
+
+    // constructor
+
+    tlm_event_finder_t( const sc_core::sc_port_base& port_,
+                        const sc_core::sc_event& (IF::*event_method_) ( tlm_tag<T> * ) const )
+        : sc_core::sc_event_finder( port_ ), m_event_method( event_method_ )
+        {}
+
+    // destructor (does nothing)
+
+    virtual ~tlm_event_finder_t()
+        {}
+
+    virtual const sc_core::sc_event& find_event( sc_core::sc_interface* if_p = 0 ) const;
+
+private:
+
+    const sc_core::sc_event& (IF::*m_event_method) ( tlm_tag<T> * ) const;
+
+private:
+
+    // disabled
+    tlm_event_finder_t();
+    tlm_event_finder_t( const tlm_event_finder_t<IF,T>& );
+    tlm_event_finder_t<IF,T>& operator = ( const tlm_event_finder_t<IF,T>& );
+};
+
+
+template <class IF , class T>
+inline
+const sc_core::sc_event&
+tlm_event_finder_t<IF,T>::find_event( sc_core::sc_interface* if_p ) const
+{
+    const IF* iface = ( if_p ) ? dynamic_cast<const IF*>( if_p ) :
+                                 dynamic_cast<const IF*>( port().get_interface() );
+    if( iface == 0 ) {
+        report_error( sc_core::SC_ID_FIND_EVENT_, "port is not bound" );
+        return sc_core::sc_event::none;
+    }
+    return (const_cast<IF*>( iface )->*m_event_method) ( 0 );
+}
+
+} // namespace tlm
+
+#endif // TLM_CORE_TLM_EVENT_FINDER_H_INCLUDED_