Abstract
寫一個硬體的加法器，幾乎就跟軟體的HelloWorld一樣，是最基本的程式，此範例Demo如何用SystemC寫一個加法器。
Introduction
Adder.h
1
#include
"
SystemC.h
"
2
3
SC_MODULE(Adder)
{ // Declare Adder Module
4
sc_in<int> a,b; // Declare in port
5 sc_out<int> sum; // Declare out port
6
7 void doAdd();
8
9
SC_CTOR(Adder) {
10 SC_METHOD(doAdd); // Register doAdd process
11 sensitive << a << b; // specify sensitivity
12
}
13
}
;
#include
"
SystemC.h
"
2
3
SC_MODULE(Adder)
{ // Declare Adder Module4
sc_in<int> a,b; // Declare in port5
sc_out<int> sum; // Declare out port6
7
void doAdd();8
9
SC_CTOR(Adder) {10
SC_METHOD(doAdd); // Register doAdd process11
sensitive << a << b; // specify sensitivity12
}13
}
;
Adder.cpp
1
#include
"
systemc.h
"
2#include
"
Adder.h
"
3
4
void
Adder::doAdd()
{
5 sum = a + b;
6}
#include
"
systemc.h
"
2
#include
"
Adder.h
"
3
4
void
Adder::doAdd()
{5
sum = a + b;6
}
AdderTest.cpp (TestBench)
1
#include
<
iostream
>
2#include
"
systemc.h
"
3#include
"
Adder.h
"
4
5
using
namespace
std;
6
7
int
sc_main(
int
argc,
char
*
argv[])
{
8 // Create instance of Adder
9 Adder adder("adder");
10 // Declare singal in testbench
11 sc_signal<int> a,b,sum;
12
13 // Initialize adder port by constructor
14 adder.a(a);
15 adder.b(b);
16 adder.sum(sum);
17
18 a = 1;
19 b = 2;
20
21 // Start simulation
22 sc_start(1);
23 cout << sum << endl;
24
25 return 0;
26}
#include
<
iostream
>
2
#include
"
systemc.h
"
3
#include
"
Adder.h
"
4
5
using
namespace
std;6
7
int
sc_main(
int
argc,
char
*
argv[])
{8
// Create instance of Adder9
Adder adder("adder"); 10
// Declare singal in testbench11
sc_signal<int> a,b,sum;12
13
// Initialize adder port by constructor14
adder.a(a); 15
adder.b(b);16
adder.sum(sum);17
18
a = 1;19
b = 2;20
21
// Start simulation22
sc_start(1);23
cout << sum << endl;24
25
return 0;26
}
執行結果
1
2 SystemC
2.1
.v1 --- Oct
18
2006
02
:
34
:
01
3 Copyright (c)
1996
-
2005
by all Contributors
4 ALL RIGHTS RESERVED
5
3
6Press any key to continue
2
SystemC
2.1
.v1 --- Oct
18
2006
02
:
34
:
01
3
Copyright (c)
1996
-
2005
by all Contributors4
ALL RIGHTS RESERVED5
3
6
Press any key to continue
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