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 <vector>
31
32#include "base/trace.hh"
33
34#include "systemc/ext/systemc"
35
36class Printer : public sc_core::sc_module
37{
38 public:
39 sc_core::sc_in<const char *> input;
40
41 SC_CTOR(Printer)
42 {
43 SC_THREAD(print);
44 }
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 <vector>
31
32#include "base/trace.hh"
33
34#include "systemc/ext/systemc"
35
36class Printer : public sc_core::sc_module
37{
38 public:
39 sc_core::sc_in<const char *> input;
40
41 SC_CTOR(Printer)
42 {
43 SC_THREAD(print);
44 }
45
|
46 void
47 print()
48 {
49 int i = 0;
50 while (true) {
51 wait(input.value_changed_event());
52 DPRINTFN("Word %d: %s\n", i++, input.read());
53 }
54 }
55};
56
57class Feeder : public sc_core::sc_module
58{
59 public:
60 sc_core::sc_in<bool> clk;
61 sc_core::sc_out<const char *> output;
62
63 std::vector<const char *> strings;
64
65 SC_HAS_PROCESS(Feeder);
66 Feeder(sc_core::sc_module_name, std::vector<const char *> _strings) :
67 strings(_strings)
68 {
69 SC_THREAD(feed);
70 sensitive << clk.pos();
71 }
72
73 void
74 feed()
75 {
76 int i = 0;
77 while (true) {
78 wait();
79 if (i >= strings.size())
80 sc_core::sc_stop();
81 else
82 output = strings[i];
83 i++;
84 }
85 }
86};
87
88int
89sc_main(int argc, char *argv[])
90{
91 std::vector<const char *> strings;
92 for (int i = 0; i < argc; i++)
93 strings.push_back(argv[i]);
94
95 sc_core::sc_clock clk;
96 sc_core::sc_buffer<const char *> buf;
97
98 Feeder feeder("feeder", strings);
99 feeder.clk(clk);
100 feeder.output(buf);
101
102 Printer printer("printer");
103 printer.input(buf);
104
105 sc_core::sc_start();
106
107 return 0;
108}
| 47 void
48 print()
49 {
50 int i = 0;
51 while (true) {
52 wait(input.value_changed_event());
53 DPRINTFN("Word %d: %s\n", i++, input.read());
54 }
55 }
56};
57
58class Feeder : public sc_core::sc_module
59{
60 public:
61 sc_core::sc_in<bool> clk;
62 sc_core::sc_out<const char *> output;
63
64 std::vector<const char *> strings;
65
66 SC_HAS_PROCESS(Feeder);
67 Feeder(sc_core::sc_module_name, std::vector<const char *> _strings) :
68 strings(_strings)
69 {
70 SC_THREAD(feed);
71 sensitive << clk.pos();
72 }
73
74 void
75 feed()
76 {
77 int i = 0;
78 while (true) {
79 wait();
80 if (i >= strings.size())
81 sc_core::sc_stop();
82 else
83 output = strings[i];
84 i++;
85 }
86 }
87};
88
89int
90sc_main(int argc, char *argv[])
91{
92 std::vector<const char *> strings;
93 for (int i = 0; i < argc; i++)
94 strings.push_back(argv[i]);
95
96 sc_core::sc_clock clk;
97 sc_core::sc_buffer<const char *> buf;
98
99 Feeder feeder("feeder", strings);
100 feeder.clk(clk);
101 feeder.output(buf);
102
103 Printer printer("printer");
104 printer.input(buf);
105
106 sc_core::sc_start();
107
108 return 0;
109}
|