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#ifndef __SYSTEMC_TLM_PORT_WRAPPER_HH__
31#define __SYSTEMC_TLM_PORT_WRAPPER_HH__
32
33#include "base/logging.hh"
34#include "sim/port.hh"
35#include "systemc/ext/tlm_core/2/sockets/sockets.hh"
36
37namespace sc_gem5
38{
39
40template <unsigned int BUSWIDTH=32,
41 typename TYPES=tlm::tlm_base_protocol_types, int N=1,
42 sc_core::sc_port_policy POL=sc_core::SC_ONE_OR_MORE_BOUND>
43class TlmInitiatorWrapper;
44
45template <unsigned int BUSWIDTH=32,
46 typename TYPES=tlm::tlm_base_protocol_types, int N=1,
47 sc_core::sc_port_policy POL=sc_core::SC_ONE_OR_MORE_BOUND>
48class TlmTargetWrapper;
49
50template <unsigned int BUSWIDTH, typename TYPES, int N,
51 sc_core::sc_port_policy POL>
52class TlmInitiatorWrapper : public ::Port
53{
54 public:
55 typedef tlm::tlm_base_initiator_socket<BUSWIDTH,
56 tlm::tlm_fw_transport_if<TYPES>,
57 tlm::tlm_bw_transport_if<TYPES>, N, POL>
58 InitiatorSocket;
59 typedef typename InitiatorSocket::base_target_socket_type TargetSocket;
60 typedef TlmTargetWrapper<BUSWIDTH, TYPES, N, POL> TargetWrapper;
61
62 InitiatorSocket &initiator() { return _initiator; }
63
64 TlmInitiatorWrapper(
65 InitiatorSocket &i, const std::string &_name, PortID _id) :
66 Port(_name, _id), _initiator(i)
67 {}
68
69 void
70 bind(::Port &peer) override
71 {
72 auto *target = dynamic_cast<TargetWrapper *>(&peer);
73 fatal_if(!target, "Attempt to bind TLM initiator socket %s to "
74 "incompatible port %s.", name(), peer.name());
75
76 initiator().bind(target->target());
| 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#ifndef __SYSTEMC_TLM_PORT_WRAPPER_HH__
31#define __SYSTEMC_TLM_PORT_WRAPPER_HH__
32
33#include "base/logging.hh"
34#include "sim/port.hh"
35#include "systemc/ext/tlm_core/2/sockets/sockets.hh"
36
37namespace sc_gem5
38{
39
40template <unsigned int BUSWIDTH=32,
41 typename TYPES=tlm::tlm_base_protocol_types, int N=1,
42 sc_core::sc_port_policy POL=sc_core::SC_ONE_OR_MORE_BOUND>
43class TlmInitiatorWrapper;
44
45template <unsigned int BUSWIDTH=32,
46 typename TYPES=tlm::tlm_base_protocol_types, int N=1,
47 sc_core::sc_port_policy POL=sc_core::SC_ONE_OR_MORE_BOUND>
48class TlmTargetWrapper;
49
50template <unsigned int BUSWIDTH, typename TYPES, int N,
51 sc_core::sc_port_policy POL>
52class TlmInitiatorWrapper : public ::Port
53{
54 public:
55 typedef tlm::tlm_base_initiator_socket<BUSWIDTH,
56 tlm::tlm_fw_transport_if<TYPES>,
57 tlm::tlm_bw_transport_if<TYPES>, N, POL>
58 InitiatorSocket;
59 typedef typename InitiatorSocket::base_target_socket_type TargetSocket;
60 typedef TlmTargetWrapper<BUSWIDTH, TYPES, N, POL> TargetWrapper;
61
62 InitiatorSocket &initiator() { return _initiator; }
63
64 TlmInitiatorWrapper(
65 InitiatorSocket &i, const std::string &_name, PortID _id) :
66 Port(_name, _id), _initiator(i)
67 {}
68
69 void
70 bind(::Port &peer) override
71 {
72 auto *target = dynamic_cast<TargetWrapper *>(&peer);
73 fatal_if(!target, "Attempt to bind TLM initiator socket %s to "
74 "incompatible port %s.", name(), peer.name());
75
76 initiator().bind(target->target());
|
77 }
78
79 void
80 unbind() override
81 {
82 panic("TLM sockets can't be unbound.");
83 }
84
85 private:
86 InitiatorSocket &_initiator;
87};
88
89template <unsigned int BUSWIDTH, typename TYPES, int N,
90 sc_core::sc_port_policy POL>
91class TlmTargetWrapper : public ::Port
92{
93 public:
94 typedef tlm::tlm_base_target_socket<BUSWIDTH,
95 tlm::tlm_fw_transport_if<TYPES>,
96 tlm::tlm_bw_transport_if<TYPES>, N, POL>
97 TargetSocket;
98
99 TargetSocket &target() { return _target; }
100
101 TlmTargetWrapper(TargetSocket &t, const std::string &_name, PortID _id) :
102 Port(_name, _id), _target(t)
103 {}
104
105 void
106 bind(::Port &peer) override
107 {
108 // Ignore attempts to bind a target socket. The initiator will
109 // handle it.
| 78 }
79
80 void
81 unbind() override
82 {
83 panic("TLM sockets can't be unbound.");
84 }
85
86 private:
87 InitiatorSocket &_initiator;
88};
89
90template <unsigned int BUSWIDTH, typename TYPES, int N,
91 sc_core::sc_port_policy POL>
92class TlmTargetWrapper : public ::Port
93{
94 public:
95 typedef tlm::tlm_base_target_socket<BUSWIDTH,
96 tlm::tlm_fw_transport_if<TYPES>,
97 tlm::tlm_bw_transport_if<TYPES>, N, POL>
98 TargetSocket;
99
100 TargetSocket &target() { return _target; }
101
102 TlmTargetWrapper(TargetSocket &t, const std::string &_name, PortID _id) :
103 Port(_name, _id), _target(t)
104 {}
105
106 void
107 bind(::Port &peer) override
108 {
109 // Ignore attempts to bind a target socket. The initiator will
110 // handle it.
|