sc_port.cc revision 13290
1/* 2 * Copyright 2018 Google, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer; 8 * redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution; 11 * neither the name of the copyright holders nor the names of its 12 * contributors may be used to endorse or promote products derived from 13 * this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Authors: Gabe Black 28 */ 29 30#include <sstream> 31 32#include "base/logging.hh" 33#include "systemc/core/module.hh" 34#include "systemc/core/port.hh" 35#include "systemc/core/scheduler.hh" 36#include "systemc/ext/core/sc_main.hh" 37#include "systemc/ext/core/sc_port.hh" 38 39namespace sc_core 40{ 41 42namespace 43{ 44 45void 46reportError(const char *id, const char *add_msg, 47 const char *name, const char *kind) 48{ 49 std::string msg; 50 if (add_msg) 51 msg = csprintf("%s: port '%s' (%s)", add_msg, name, kind); 52 else 53 msg = csprintf("port '%s' (%s)", name, kind); 54 55 SC_REPORT_ERROR(id, msg.c_str()); 56} 57 58} 59 60sc_port_base::sc_port_base(const char *n, int max_size, sc_port_policy p) : 61 sc_object(n), _gem5Port(nullptr) 62{ 63 if (sc_is_running()) { 64 reportError("(E110) insert port failed", "simulation running", 65 name(), kind()); 66 } 67 if (::sc_gem5::scheduler.elaborationDone()) { 68 reportError("(E110) insert port failed", "elaboration done", 69 name(), kind()); 70 } 71 72 auto m = sc_gem5::pickParentModule(); 73 if (!m) { 74 reportError("(E100) port specified outside of module", 75 nullptr, name(), kind()); 76 } else { 77 m->ports.push_back(this); 78 } 79 _gem5Port = new ::sc_gem5::Port(this, max_size); 80} 81 82sc_port_base::~sc_port_base() 83{ 84 delete _gem5Port; 85} 86 87void 88sc_port_base::warn_unimpl(const char *func) const 89{ 90 warn("%s not implemented.\n", func); 91} 92 93void 94sc_port_base::report_error(const char *id, const char *add_msg) const 95{ 96 std::ostringstream ss; 97 if (add_msg) 98 ss << add_msg << ": "; 99 ss << "port '" << name() << "' (" << kind() << ")"; 100 SC_REPORT_ERROR(id, ss.str().c_str()); 101} 102 103int sc_port_base::maxSize() const { return _gem5Port->maxSize(); } 104int sc_port_base::size() const { return _gem5Port->size(); } 105 106void sc_port_base::bind(sc_interface &i) { _gem5Port->bind(&i); } 107void sc_port_base::bind(sc_port_base &p) { _gem5Port->bind(&p); } 108 109} // namespace sc_core 110