diff options
Diffstat (limited to 'src/systemc/tests/systemc/misc/communication/channel/hwsw/hwsw.cpp')
| -rw-r--r-- | src/systemc/tests/systemc/misc/communication/channel/hwsw/hwsw.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/communication/channel/hwsw/hwsw.cpp b/src/systemc/tests/systemc/misc/communication/channel/hwsw/hwsw.cpp new file mode 100644 index 000000000..9c19a17f0 --- /dev/null +++ b/src/systemc/tests/systemc/misc/communication/channel/hwsw/hwsw.cpp @@ -0,0 +1,181 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +/***************************************************************************** + + hwsw.cpp -- + + Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +#include "systemc.h" + +static int randa[] = { 3278, 3420, 1349, 13491, 9234028, 234902, + 13971, 1498710, 1348179, 1389810, 190101, 92384 }; +static int randb[] = { 1349, 20893, 2090092, 8813, 87472, 73231, + 59413, 42713, 3192, 45653, 565643, 78931, 573231 }; +static int randc[] = { 3419, 82093, 9013, 1831, 74372, 233861, + 421313, 47823, 3902192, 93245653, 77565643, 77234, 10192 }; + +SC_MODULE( adder_sub ) +{ + SC_HAS_PROCESS( adder_sub ); + + sc_in_clk clk; + + sc_fifo<int>& Sa; //input + sc_fifo<int>& Sb; //input + sc_fifo<int>& Sc; //input + sc_fifo<int>& Sd; //output + sc_fifo<int>& Ssum; //output + + // constructor + adder_sub( sc_module_name NAME, + sc_clock& CLK, + sc_fifo<int>& SA, + sc_fifo<int>& SB, + sc_fifo<int>& SC, + sc_fifo<int>& SD, + sc_fifo<int>& SSUM ) + : Sa(SA), Sb(SB), Sc(SC), Sd(SD), Ssum(SSUM) + { + clk(CLK); + SC_THREAD( entry ); + sensitive << clk.pos(); + } + + // Process functionality in member function below + void entry(); +}; + + +int add(int a, int b) +{ + return (a + b); +} + +void adder_sub::entry() +{ + int sum; + int a, b, c, d; + + while (true) { + // Read inputs + a = Sa.read(); + b = Sb.read(); + c = Sc.read(); + + // Perform the computation. + sum = add(a, b); + sum = add(sum, c); + d = a - b; + + // Write outputs + Ssum.write(sum); + Sd.write(d); + // Loop back to do { wait(); } while . + } + +} // end of entry function + +SC_MODULE( testbench ) +{ + SC_HAS_PROCESS( testbench ); + + sc_in_clk clk; + + sc_fifo<int>& Ssum; //input + sc_fifo<int>& Sdiff; //input + sc_fifo<int>& Sa; //output + sc_fifo<int>& Sb; //output + sc_fifo<int>& Sc; //output + + // constructor + testbench( sc_module_name NAME, + sc_clock& CLK, + sc_fifo<int>& SSUM, + sc_fifo<int>& SDIFF, + sc_fifo<int>& SA, + sc_fifo<int>& SB, + sc_fifo<int>& SC ) + : Ssum(SSUM), Sdiff(SDIFF), Sa(SA), Sb(SB), Sc(SC) + { + clk(CLK); + SC_THREAD( entry ); + sensitive << clk.pos(); + } + + // Process functionality in member function below + void entry(); +}; + + +void testbench::entry() +{ + int a, b, c, d; + int sum; + int i; + char buf[BUFSIZ]; + + for (i=0; i < 10; i++) { + a = randa[i % (sizeof(randa)/sizeof(randa[0]))] & 0x0ff; + b = randb[i % (sizeof(randb)/sizeof(randb[0]))] & 0x0ff; + c = randc[i % (sizeof(randc)/sizeof(randc[0]))] & 0x0ff; + + Sa.write(a); + Sb.write(b); + Sc.write(c); + sum = Ssum.read(); + d = Sdiff.read(); + // printf("A = %d, B = %d, C = %d, D = %d, SUM = %d\n", a, b, c, d, sum); + sprintf(buf, "A = %d, B = %d, C = %d, D = %d, SUM = %d\n", a, b, c, d, sum); + cout << buf; + } + sc_stop(); + +} // end of entry function + +// Main routine + +int sc_main(int ac, char *av[]) +{ + sc_fifo<int> a; + sc_fifo<int> b; + sc_fifo<int> c; + sc_fifo<int> d; + sc_fifo<int> sum; + sc_clock clock("Clock", 10, SC_NS, 0.5, 0, SC_NS, 0); + + testbench T("TB", clock, sum, d, a, b, c); + adder_sub AS("AS", clock, a, b, c, d, sum); + + sc_start(); + return 0; +} |