xref: /gem5/src/systemc/core/sc_export.cc

/*
 * 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 "base/logging.hh"
#include "systemc/core/module.hh"
#include "systemc/core/scheduler.hh"
#include "systemc/ext/core/sc_export.hh"
#include "systemc/ext/core/sc_main.hh"

namespace sc_core
{

namespace
{

void
reportError(const char *id, const char *add_msg,
        const char *name, const char *kind)
{
    std::string msg;
    if (add_msg)
        msg = csprintf("%s: export '%s' (%s)", add_msg, name, kind);
    else
        msg = csprintf("export '%s' (%s)", name, kind);

    SC_REPORT_ERROR(id, msg.c_str());
}

}

sc_export_base::sc_export_base(const char *n) : sc_object(n)
{
    if (sc_is_running()) {
        reportError("(E121) insert sc_export failed", "simulation running",
                n, kind());
    }
    if (::sc_gem5::scheduler.elaborationDone()) {
        reportError("(E121) insert sc_export failed", "elaboration done",
                n, kind());
    }

    ::sc_gem5::Module *m = ::sc_gem5::currentModule();
    if (!m) {
        reportError("(E122) sc_export specified outside of module",
                nullptr, n, kind());
    } else {
        m->exports.push_back(this);
    }
}
sc_export_base::~sc_export_base() {}

} // namespace sc_core