sc_process_handle.hh (12939:5256de693153) sc_process_handle.hh (12952:94fca7e8120b)
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_EXT_CORE_SC_PROCESS_HANDLE_HH__
31#define __SYSTEMC_EXT_CORE_SC_PROCESS_HANDLE_HH__
32
33#include <exception>
34#include <vector>
35
36namespace sc_gem5
37{
38
39class Process;
40
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_EXT_CORE_SC_PROCESS_HANDLE_HH__
31#define __SYSTEMC_EXT_CORE_SC_PROCESS_HANDLE_HH__
32
33#include <exception>
34#include <vector>
35
36namespace sc_gem5
37{
38
39class Process;
40
41struct ProcessFuncWrapper
42{
43 virtual void call() = 0;
44 virtual ~ProcessFuncWrapper() {}
45};
46
47template <typename T>
48struct ProcessMemberFuncWrapper : public ProcessFuncWrapper
49{
50 typedef void (T::*TFunc)();
51 T *t;
52 TFunc func;
53
54 ProcessMemberFuncWrapper(T *t, TFunc func) : t(t), func(func) {}
55
56 void call() override { (t->*func)(); }
57};
58
59struct ExceptionWrapperBase
60{
61 virtual void throw_it() = 0;
62};
63
64template <typename T>
65struct ExceptionWrapper : public ExceptionWrapperBase
66{
67 const T &t;
68 ExceptionWrapper(const T &t) : t(t) {}
69
70 void throw_it() { throw t; }
71};
72
73void throw_it_wrapper(Process *p, ExceptionWrapperBase &exc, bool inc_kids);
74
41} // namespace sc_gem5
42
43namespace sc_core
44{
45
46class sc_event;
47class sc_object;
48
49enum sc_curr_proc_kind
50{
51 SC_NO_PROC_,
52 SC_METHOD_PROC_,
53 SC_THREAD_PROC_,
54 SC_CTHREAD_PROC_
55};
56
57enum sc_descendent_inclusion_info
58{
59 SC_NO_DESCENDANTS,
60 SC_INCLUDE_DESCENDANTS
61};
62
63class sc_unwind_exception : public std::exception
64{
65 public:
66 virtual const char *what() const throw();
67 virtual bool is_reset() const;
68
69 // Nonstandard.
70 // These should be protected, but I think this is to enable catch by
71 // value.
72 public:
73 sc_unwind_exception(const sc_unwind_exception &);
74 virtual ~sc_unwind_exception() throw();
75
76 protected:
77 sc_unwind_exception();
78};
79
80// Deprecated
81// An incomplete version of sc_process_b to satisfy the tests.
82class sc_process_b
83{
84 public:
85 const char *file;
86 int lineno;
87 const char *name();
88 const char *kind();
89};
90
91// Deprecated
92sc_process_b *sc_get_curr_process_handle();
93static inline sc_process_b *
94sc_get_current_process_b()
95{
96 return sc_get_curr_process_handle();
97}
98
99// Deprecated/nonstandard
100struct sc_curr_proc_info
101{
102 sc_process_b *process_handle;
103 sc_curr_proc_kind kind;
104 sc_curr_proc_info() : process_handle(NULL), kind(SC_NO_PROC_) {}
105};
106typedef const sc_curr_proc_info *sc_curr_proc_handle;
107
108class sc_process_handle
109{
110 private:
111 ::sc_gem5::Process *_gem5_process;
112
113 public:
114 sc_process_handle();
115 sc_process_handle(const sc_process_handle &);
116 explicit sc_process_handle(sc_object *);
117 ~sc_process_handle();
118
119 // These non-standard operators provide access to the data structure which
120 // actually tracks the process within gem5. By making them operators, we
121 // can minimize the symbols added to the class namespace.
122 operator ::sc_gem5::Process * () const { return _gem5_process; }
123 sc_process_handle &
124 operator = (::sc_gem5::Process *p)
125 {
126 _gem5_process = p;
127 return *this;
128 }
129
130 bool valid() const;
131
132 sc_process_handle &operator = (const sc_process_handle &);
133 bool operator == (const sc_process_handle &) const;
134 bool operator != (const sc_process_handle &) const;
135 bool operator < (const sc_process_handle &) const;
75} // namespace sc_gem5
76
77namespace sc_core
78{
79
80class sc_event;
81class sc_object;
82
83enum sc_curr_proc_kind
84{
85 SC_NO_PROC_,
86 SC_METHOD_PROC_,
87 SC_THREAD_PROC_,
88 SC_CTHREAD_PROC_
89};
90
91enum sc_descendent_inclusion_info
92{
93 SC_NO_DESCENDANTS,
94 SC_INCLUDE_DESCENDANTS
95};
96
97class sc_unwind_exception : public std::exception
98{
99 public:
100 virtual const char *what() const throw();
101 virtual bool is_reset() const;
102
103 // Nonstandard.
104 // These should be protected, but I think this is to enable catch by
105 // value.
106 public:
107 sc_unwind_exception(const sc_unwind_exception &);
108 virtual ~sc_unwind_exception() throw();
109
110 protected:
111 sc_unwind_exception();
112};
113
114// Deprecated
115// An incomplete version of sc_process_b to satisfy the tests.
116class sc_process_b
117{
118 public:
119 const char *file;
120 int lineno;
121 const char *name();
122 const char *kind();
123};
124
125// Deprecated
126sc_process_b *sc_get_curr_process_handle();
127static inline sc_process_b *
128sc_get_current_process_b()
129{
130 return sc_get_curr_process_handle();
131}
132
133// Deprecated/nonstandard
134struct sc_curr_proc_info
135{
136 sc_process_b *process_handle;
137 sc_curr_proc_kind kind;
138 sc_curr_proc_info() : process_handle(NULL), kind(SC_NO_PROC_) {}
139};
140typedef const sc_curr_proc_info *sc_curr_proc_handle;
141
142class sc_process_handle
143{
144 private:
145 ::sc_gem5::Process *_gem5_process;
146
147 public:
148 sc_process_handle();
149 sc_process_handle(const sc_process_handle &);
150 explicit sc_process_handle(sc_object *);
151 ~sc_process_handle();
152
153 // These non-standard operators provide access to the data structure which
154 // actually tracks the process within gem5. By making them operators, we
155 // can minimize the symbols added to the class namespace.
156 operator ::sc_gem5::Process * () const { return _gem5_process; }
157 sc_process_handle &
158 operator = (::sc_gem5::Process *p)
159 {
160 _gem5_process = p;
161 return *this;
162 }
163
164 bool valid() const;
165
166 sc_process_handle &operator = (const sc_process_handle &);
167 bool operator == (const sc_process_handle &) const;
168 bool operator != (const sc_process_handle &) const;
169 bool operator < (const sc_process_handle &) const;
136 bool swap(sc_process_handle &);
170 void swap(sc_process_handle &);
137
138 const char *name() const;
139 sc_curr_proc_kind proc_kind() const;
140 const std::vector<sc_object *> &get_child_objects() const;
141 const std::vector<sc_event *> &get_child_events() const;
142 sc_object *get_parent_object() const;
143 sc_object *get_process_object() const;
144 bool dynamic() const;
145 bool terminated() const;
146 const sc_event &terminated_event() const;
147
148 void suspend(sc_descendent_inclusion_info include_descendants=
149 SC_NO_DESCENDANTS);
150 void resume(sc_descendent_inclusion_info include_descendants=
151 SC_NO_DESCENDANTS);
152 void disable(sc_descendent_inclusion_info include_descendants=
153 SC_NO_DESCENDANTS);
154 void enable(sc_descendent_inclusion_info include_descendants=
155 SC_NO_DESCENDANTS);
156 void kill(sc_descendent_inclusion_info include_descendants=
157 SC_NO_DESCENDANTS);
158 void reset(sc_descendent_inclusion_info include_descendants=
159 SC_NO_DESCENDANTS);
160 bool is_unwinding();
161 const sc_event &reset_event() const;
162
163 void sync_reset_on(sc_descendent_inclusion_info include_descendants=
164 SC_NO_DESCENDANTS);
165 void sync_reset_off(sc_descendent_inclusion_info include_descendants=
166 SC_NO_DESCENDANTS);
167
171
172 const char *name() const;
173 sc_curr_proc_kind proc_kind() const;
174 const std::vector<sc_object *> &get_child_objects() const;
175 const std::vector<sc_event *> &get_child_events() const;
176 sc_object *get_parent_object() const;
177 sc_object *get_process_object() const;
178 bool dynamic() const;
179 bool terminated() const;
180 const sc_event &terminated_event() const;
181
182 void suspend(sc_descendent_inclusion_info include_descendants=
183 SC_NO_DESCENDANTS);
184 void resume(sc_descendent_inclusion_info include_descendants=
185 SC_NO_DESCENDANTS);
186 void disable(sc_descendent_inclusion_info include_descendants=
187 SC_NO_DESCENDANTS);
188 void enable(sc_descendent_inclusion_info include_descendants=
189 SC_NO_DESCENDANTS);
190 void kill(sc_descendent_inclusion_info include_descendants=
191 SC_NO_DESCENDANTS);
192 void reset(sc_descendent_inclusion_info include_descendants=
193 SC_NO_DESCENDANTS);
194 bool is_unwinding();
195 const sc_event &reset_event() const;
196
197 void sync_reset_on(sc_descendent_inclusion_info include_descendants=
198 SC_NO_DESCENDANTS);
199 void sync_reset_off(sc_descendent_inclusion_info include_descendants=
200 SC_NO_DESCENDANTS);
201
168 void warn_unimpl(const char *func);
169 template <typename T>
202 template <typename T>
170 void throw_it(const T &user_defined_exception,
171 sc_descendent_inclusion_info include_descendants=
172 SC_NO_DESCENDANTS)
203 void
204 throw_it(const T &user_defined_exception,
205 sc_descendent_inclusion_info include_descendants=
206 SC_NO_DESCENDANTS)
173 {
207 {
174 warn_unimpl(__PRETTY_FUNCTION__);
208 ::sc_gem5::ExceptionWrapper<T> exc(user_defined_exception);
209 ::sc_gem5::throw_it_wrapper(_gem5_process, exc,
210 include_descendants == SC_INCLUDE_DESCENDANTS);
175 }
176};
177
178sc_process_handle sc_get_current_process_handle();
179bool sc_is_unwinding();
180
181// Nonstandard
182// See Accellera's kernel/sim_context.cpp for an explanation of what this is
183// supposed to do. It essentially selects what happens during certain
184// undefined situations.
185extern bool sc_allow_process_control_corners;
186
187} // namespace sc_core
188
189#endif //__SYSTEMC_EXT_CORE_SC_PROCESS_HANDLE_HH__
211 }
212};
213
214sc_process_handle sc_get_current_process_handle();
215bool sc_is_unwinding();
216
217// Nonstandard
218// See Accellera's kernel/sim_context.cpp for an explanation of what this is
219// supposed to do. It essentially selects what happens during certain
220// undefined situations.
221extern bool sc_allow_process_control_corners;
222
223} // namespace sc_core
224
225#endif //__SYSTEMC_EXT_CORE_SC_PROCESS_HANDLE_HH__