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_CHANNEL_SC_CLOCK_HH__
31#define __SYSTEMC_EXT_CHANNEL_SC_CLOCK_HH__
32
33#include "../core/sc_time.hh"
34#include "sc_signal.hh"
35
| 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_CHANNEL_SC_CLOCK_HH__
31#define __SYSTEMC_EXT_CHANNEL_SC_CLOCK_HH__
32
33#include "../core/sc_time.hh"
34#include "sc_signal.hh"
35
|
| 36namespace sc_gem5
37{
38
39class ClockTick;
40
41} // namespace sc_gem5
42
|
36namespace sc_core
37{
38
39template <class T>
40class sc_in;
41
42class sc_time;
43
44class sc_clock : public sc_signal<bool>
45{
46 public:
47 sc_clock();
48 explicit sc_clock(const char *name);
49
50 sc_clock(const char *name, const sc_time &period,
51 double duty_cycle=0.5, const sc_time &start_time=SC_ZERO_TIME,
52 bool posedge_first=true);
53
54 sc_clock(const char *name, double period_v, sc_time_unit period_tu,
55 double duty_cycle=0.5);
56
57 sc_clock(const char *name, double period_v, sc_time_unit period_tu,
58 double duty_cycle, double start_time_v,
59 sc_time_unit start_time_tu, bool posedge_first=true);
60
61 // Deprecated.
62 sc_clock(const char *name, double period, double duty_cycle=0.5,
63 double start_time=0.0, bool posedge_first=true);
64
65 virtual ~sc_clock();
66
67 virtual void write(const bool &);
68
69 const sc_time &period() const;
70 double duty_cycle() const;
71 const sc_time &start_time() const;
72 bool posedge_first() const;
73
74 // Nonstandard
75 static const sc_time &time_stamp();
76
| 43namespace sc_core
44{
45
46template <class T>
47class sc_in;
48
49class sc_time;
50
51class sc_clock : public sc_signal<bool>
52{
53 public:
54 sc_clock();
55 explicit sc_clock(const char *name);
56
57 sc_clock(const char *name, const sc_time &period,
58 double duty_cycle=0.5, const sc_time &start_time=SC_ZERO_TIME,
59 bool posedge_first=true);
60
61 sc_clock(const char *name, double period_v, sc_time_unit period_tu,
62 double duty_cycle=0.5);
63
64 sc_clock(const char *name, double period_v, sc_time_unit period_tu,
65 double duty_cycle, double start_time_v,
66 sc_time_unit start_time_tu, bool posedge_first=true);
67
68 // Deprecated.
69 sc_clock(const char *name, double period, double duty_cycle=0.5,
70 double start_time=0.0, bool posedge_first=true);
71
72 virtual ~sc_clock();
73
74 virtual void write(const bool &);
75
76 const sc_time &period() const;
77 double duty_cycle() const;
78 const sc_time &start_time() const;
79 bool posedge_first() const;
80
81 // Nonstandard
82 static const sc_time &time_stamp();
83
|
77 virtual const char *kind() const;
| 84 virtual const char *kind() const { return "sc_clock"; }
|
78
79 protected:
80 virtual void before_end_of_elaboration();
81
82 private:
| 85
86 protected:
87 virtual void before_end_of_elaboration();
88
89 private:
|
| 90 friend class ::sc_gem5::ClockTick;
91
|
83 // Disabled
84 sc_clock(const sc_clock &) : sc_interface(), sc_signal<bool>() {}
85 sc_clock &operator = (const sc_clock &) { return *this; }
| 92 // Disabled
93 sc_clock(const sc_clock &) : sc_interface(), sc_signal<bool>() {}
94 sc_clock &operator = (const sc_clock &) { return *this; }
|
| 95
96 sc_time _period;
97 double _dutyCycle;
98 sc_time _startTime;
99 bool _posedgeFirst;
100
101 ::sc_gem5::ClockTick *_gem5UpEdge;
102 ::sc_gem5::ClockTick *_gem5DownEdge;
103
104 void tickUp() { sc_signal<bool>::write(true); }
105 void tickDown() { sc_signal<bool>::write(false); }
|
86};
87
88typedef sc_in<bool> sc_in_clk;
89
90// Deprecated
91typedef sc_inout<bool> sc_inout_clk;
92typedef sc_out<bool> sc_out_clk;
93
94} // namespace sc_core
95
96#endif //__SYSTEMC_EXT_CHANNEL_SC_CLOCK_HH__
| 106};
107
108typedef sc_in<bool> sc_in_clk;
109
110// Deprecated
111typedef sc_inout<bool> sc_inout_clk;
112typedef sc_out<bool> sc_out_clk;
113
114} // namespace sc_core
115
116#endif //__SYSTEMC_EXT_CHANNEL_SC_CLOCK_HH__
|