gem5 [DEVELOP-FOR-25.0]
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sys_bridge.cc
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1/*
2 * Copyright 2021 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
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19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "mem/sys_bridge.hh"
29
30#include "sim/system.hh"
31
32namespace gem5
33{
34
35SysBridge::SysBridge(const SysBridgeParams &p) : SimObject(p),
36 sourcePort(p.name + ".source_port", &targetPort,
37 p.target->getRequestorId(this)),
38 targetPort(p.name + ".target_port", &sourcePort,
39 p.source->getRequestorId(this))
40{}
41
42Port &
43SysBridge::getPort(const std::string &if_name, PortID idx)
44{
45 if (if_name == "source_port")
46 return sourcePort;
47 else if (if_name == "target_port")
48 return targetPort;
49 else
50 return SimObject::getPort(if_name, idx);
51}
52
53} // namespace gem5
virtual std::string name() const
Definition named.hh:60
Ports are used to interface objects to each other.
Definition port.hh:62
Port & getPort(const std::string &if_name, PortID idx=InvalidPortID) override
Get a port with a given name and index.
Definition sys_bridge.cc:43
SysBridgeTargetPort targetPort
SysBridge(const SysBridgeParams &p)
Definition sys_bridge.cc:35
SysBridgeSourcePort sourcePort
SimObject(const Params &p)
Definition sim_object.cc:58
virtual Port & getPort(const std::string &if_name, PortID idx=InvalidPortID)
Get a port with a given name and index.
Bitfield< 0 > p
Copyright (c) 2024 Arm Limited All rights reserved.
Definition binary32.hh:36
int16_t PortID
Port index/ID type, and a symbolic name for an invalid port id.
Definition types.hh:245

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