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 sc_core::sc_curr_proc_kind
67 procKind() const override
68 {
69 return sc_core::SC_THREAD_PROC_;
70 }
71
72 Fiber *
73 fiber() override
74 {
75 if (!ctx)
76 ctx = new Context(this, stackSize);
77 return ctx;
78 }
79
80 private:
81 class Context : public Fiber
82 {
83 public:
84 Context(Thread *thread, size_t size) : Fiber(size), thread(thread) {}
85
86 private:
87 Thread *thread;
88
89 void
90 main() override
91 {
92 thread->_needsStart = false;
93 try {
94 thread->run();
95 } catch (...) {
96 thread->terminate();
| 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 sc_core::sc_curr_proc_kind
67 procKind() const override
68 {
69 return sc_core::SC_THREAD_PROC_;
70 }
71
72 Fiber *
73 fiber() override
74 {
75 if (!ctx)
76 ctx = new Context(this, stackSize);
77 return ctx;
78 }
79
80 private:
81 class Context : public Fiber
82 {
83 public:
84 Context(Thread *thread, size_t size) : Fiber(size), thread(thread) {}
85
86 private:
87 Thread *thread;
88
89 void
90 main() override
91 {
92 thread->_needsStart = false;
93 try {
94 thread->run();
95 } catch (...) {
96 thread->terminate();
|
98 return;
99 }
100 thread->terminate();
101 scheduler.yield();
102 }
103 };
104 friend class Context;
105
106 Context *ctx;
107};
108
109class CThread : public Thread
110{
111 public:
112 CThread(const char *name, ProcessFuncWrapper *func, bool internal=false) :
113 Thread(name, func, internal)
114 {
115 // We'll be in the initialization list now, but we shouldn't be.
116 popListNode();
117 }
118
119 const char *kind() const override { return "sc_cthread_process"; }
120
121 sc_core::sc_curr_proc_kind
122 procKind() const override
123 {
124 return sc_core::SC_CTHREAD_PROC_;
125 }
126};
127
128} // namespace sc_gem5
129
130#endif //__SYSTEMC_CORE_PROCESS_TYPES_HH__
| 98 return;
99 }
100 thread->terminate();
101 scheduler.yield();
102 }
103 };
104 friend class Context;
105
106 Context *ctx;
107};
108
109class CThread : public Thread
110{
111 public:
112 CThread(const char *name, ProcessFuncWrapper *func, bool internal=false) :
113 Thread(name, func, internal)
114 {
115 // We'll be in the initialization list now, but we shouldn't be.
116 popListNode();
117 }
118
119 const char *kind() const override { return "sc_cthread_process"; }
120
121 sc_core::sc_curr_proc_kind
122 procKind() const override
123 {
124 return sc_core::SC_CTHREAD_PROC_;
125 }
126};
127
128} // namespace sc_gem5
129
130#endif //__SYSTEMC_CORE_PROCESS_TYPES_HH__
|