process_types.hh (13180:79e680f62779) process_types.hh (13182:9e030f636a8c)
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_CORE_PROCESS_TYPES_HH__
31#define __SYSTEMC_CORE_PROCESS_TYPES_HH__
32
33#include "systemc/core/process.hh"
34#include "systemc/core/scheduler.hh"
35
36namespace sc_gem5
37{
38
39class Method : public Process
40{
41 public:
42 Method(const char *name, ProcessFuncWrapper *func, bool internal=false) :
43 Process(name, func, internal)
44 {}
45
46 const char *kind() const override { return "sc_method_process"; }
47
48 sc_core::sc_curr_proc_kind
49 procKind() const override
50 {
51 return sc_core::SC_METHOD_PROC_;
52 }
53};
54
55class Thread : public Process
56{
57 public:
58 Thread(const char *name, ProcessFuncWrapper *func, bool internal=false) :
59 Process(name, func, internal), ctx(nullptr)
60 {}
61
62 ~Thread() { delete ctx; }
63
64 const char *kind() const override { return "sc_thread_process"; }
65
66 void throw_it(ExceptionWrapperBase &exc, bool inc_kids) override;
67
68 sc_core::sc_curr_proc_kind
69 procKind() const override
70 {
71 return sc_core::SC_THREAD_PROC_;
72 }
73
74 Fiber *
75 fiber() override
76 {
77 if (!ctx)
78 ctx = new Context(this, stackSize);
79 return ctx;
80 }
81
82 private:
83 class Context : public Fiber
84 {
85 public:
86 Context(Thread *thread, size_t size) : Fiber(size), thread(thread) {}
87
88 private:
89 Thread *thread;
90
91 void
92 main() override
93 {
94 thread->_needsStart = false;
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_CORE_PROCESS_TYPES_HH__
31#define __SYSTEMC_CORE_PROCESS_TYPES_HH__
32
33#include "systemc/core/process.hh"
34#include "systemc/core/scheduler.hh"
35
36namespace sc_gem5
37{
38
39class Method : public Process
40{
41 public:
42 Method(const char *name, ProcessFuncWrapper *func, bool internal=false) :
43 Process(name, func, internal)
44 {}
45
46 const char *kind() const override { return "sc_method_process"; }
47
48 sc_core::sc_curr_proc_kind
49 procKind() const override
50 {
51 return sc_core::SC_METHOD_PROC_;
52 }
53};
54
55class Thread : public Process
56{
57 public:
58 Thread(const char *name, ProcessFuncWrapper *func, bool internal=false) :
59 Process(name, func, internal), ctx(nullptr)
60 {}
61
62 ~Thread() { delete ctx; }
63
64 const char *kind() const override { return "sc_thread_process"; }
65
66 void throw_it(ExceptionWrapperBase &exc, bool inc_kids) override;
67
68 sc_core::sc_curr_proc_kind
69 procKind() const override
70 {
71 return sc_core::SC_THREAD_PROC_;
72 }
73
74 Fiber *
75 fiber() override
76 {
77 if (!ctx)
78 ctx = new Context(this, stackSize);
79 return ctx;
80 }
81
82 private:
83 class Context : public Fiber
84 {
85 public:
86 Context(Thread *thread, size_t size) : Fiber(size), thread(thread) {}
87
88 private:
89 Thread *thread;
90
91 void
92 main() override
93 {
94 thread->_needsStart = false;
95 thread->run();
95 try {
96 thread->run();
97 } catch (...) {
98 thread->terminate();
99 scheduler.throwToScMain();
100 return;
101 }
96 thread->terminate();
97 scheduler.yield();
98 }
99 };
100 friend class Context;
101
102 Context *ctx;
103};
104
105class CThread : public Thread
106{
107 public:
108 CThread(const char *name, ProcessFuncWrapper *func, bool internal=false) :
109 Thread(name, func, internal)
110 {
111 // We'll be in the initialization list now, but we shouldn't be.
112 popListNode();
113 }
114
115 const char *kind() const override { return "sc_cthread_process"; }
116
117 sc_core::sc_curr_proc_kind
118 procKind() const override
119 {
120 return sc_core::SC_CTHREAD_PROC_;
121 }
122};
123
124} // namespace sc_gem5
125
126#endif //__SYSTEMC_CORE_PROCESS_TYPES_HH__
102 thread->terminate();
103 scheduler.yield();
104 }
105 };
106 friend class Context;
107
108 Context *ctx;
109};
110
111class CThread : public Thread
112{
113 public:
114 CThread(const char *name, ProcessFuncWrapper *func, bool internal=false) :
115 Thread(name, func, internal)
116 {
117 // We'll be in the initialization list now, but we shouldn't be.
118 popListNode();
119 }
120
121 const char *kind() const override { return "sc_cthread_process"; }
122
123 sc_core::sc_curr_proc_kind
124 procKind() const override
125 {
126 return sc_core::SC_CTHREAD_PROC_;
127 }
128};
129
130} // namespace sc_gem5
131
132#endif //__SYSTEMC_CORE_PROCESS_TYPES_HH__