module.cc (12982:c7966254372e) module.cc (13045:ccedccd0d93d)
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 "systemc/core/module.hh"
31
32#include <cassert>
33#include <list>
34
35#include "base/logging.hh"
36
37namespace sc_gem5
38{
39
40namespace
41{
42
43std::list<Module *> _modules;
44Module *_new_module;
45
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 "systemc/core/module.hh"
31
32#include <cassert>
33#include <list>
34
35#include "base/logging.hh"
36
37namespace sc_gem5
38{
39
40namespace
41{
42
43std::list<Module *> _modules;
44Module *_new_module;
45
46Module *_callbackModule = nullptr;
47
46} // anonymous namespace
47
48Module::Module(const char *name) : _name(name), _sc_mod(nullptr), _obj(nullptr)
49{
50 panic_if(_new_module, "Previous module not finished.\n");
51 _new_module = this;
52}
53
54Module::~Module() { allModules.erase(this); }
55
56void
57Module::finish(Object *this_obj)
58{
59 assert(!_obj);
60 _obj = this_obj;
61 _modules.push_back(this);
62 _new_module = nullptr;
63 // This is called from the constructor of this_obj, so it can't use
64 // dynamic cast.
65 sc_mod(static_cast<::sc_core::sc_module *>(this_obj->sc_obj()));
66 allModules.insert(this);
67}
68
69void
70Module::pop()
71{
72 panic_if(!_modules.size(), "Popping from empty module list.\n");
73 panic_if(_modules.back() != this,
74 "Popping module which isn't at the end of the module list.\n");
75 panic_if(_new_module, "Pop with unfinished module.\n");
76 _modules.pop_back();
77}
78
79Module *
80currentModule()
81{
82 if (_modules.empty())
83 return nullptr;
84 return _modules.back();
85}
86
87Module *
88newModule()
89{
90 return _new_module;
91}
92
48} // anonymous namespace
49
50Module::Module(const char *name) : _name(name), _sc_mod(nullptr), _obj(nullptr)
51{
52 panic_if(_new_module, "Previous module not finished.\n");
53 _new_module = this;
54}
55
56Module::~Module() { allModules.erase(this); }
57
58void
59Module::finish(Object *this_obj)
60{
61 assert(!_obj);
62 _obj = this_obj;
63 _modules.push_back(this);
64 _new_module = nullptr;
65 // This is called from the constructor of this_obj, so it can't use
66 // dynamic cast.
67 sc_mod(static_cast<::sc_core::sc_module *>(this_obj->sc_obj()));
68 allModules.insert(this);
69}
70
71void
72Module::pop()
73{
74 panic_if(!_modules.size(), "Popping from empty module list.\n");
75 panic_if(_modules.back() != this,
76 "Popping module which isn't at the end of the module list.\n");
77 panic_if(_new_module, "Pop with unfinished module.\n");
78 _modules.pop_back();
79}
80
81Module *
82currentModule()
83{
84 if (_modules.empty())
85 return nullptr;
86 return _modules.back();
87}
88
89Module *
90newModule()
91{
92 return _new_module;
93}
94
95void callbackModule(Module *m) { _callbackModule = m; }
96Module *callbackModule() { return _callbackModule; }
97
93std::set<Module *> allModules;
94
95} // namespace sc_gem5
98std::set<Module *> allModules;
99
100} // namespace sc_gem5