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Diffstat (limited to 'src/systemc/tests/systemc/misc/sim_tests/async_clock/async_clock.cpp')
| -rw-r--r-- | src/systemc/tests/systemc/misc/sim_tests/async_clock/async_clock.cpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/sim_tests/async_clock/async_clock.cpp b/src/systemc/tests/systemc/misc/sim_tests/async_clock/async_clock.cpp new file mode 100644 index 000000000..397039e23 --- /dev/null +++ b/src/systemc/tests/systemc/misc/sim_tests/async_clock/async_clock.cpp @@ -0,0 +1,188 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + async_clock.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" + +SC_MODULE( proc1 ) +{ + SC_HAS_PROCESS( proc1 ); + + sc_in_clk clk; + + proc1( sc_module_name NAME, + sc_signal_in_if<bool>& CLK ) + { + clk( CLK ); + SC_CTHREAD( entry, clk.pos() ); + } + + void entry() + { + while (true) { + wait(); + cout << "Process 1 triggered" << endl; + } + } +}; + +SC_MODULE( proc2 ) +{ + SC_HAS_PROCESS( proc2 ); + + sc_in_clk clk; + + proc2( sc_module_name NAME, + sc_signal_in_if<bool>& CLK ) + { + clk( CLK ); + SC_CTHREAD( entry, clk.pos() ); + } + + void entry() + { + while (true) { + wait(); + cout << "Process 2 triggered" << endl; + } + } +}; + +SC_MODULE( proc3 ) +{ + SC_HAS_PROCESS( proc3 ); + + sc_in_clk clk; + + proc3( sc_module_name NAME, + sc_signal_in_if<bool>& CLK ) + { + clk( CLK ); + SC_CTHREAD( entry, clk.pos() ); + } + + void entry() + { + while (true) { + wait(); + cout << "Process 3 triggered" << endl; + } + } +}; + + +SC_MODULE( proc4 ) +{ + SC_HAS_PROCESS( proc4 ); + + sc_in<bool> a; + sc_in<bool> b; + sc_in_clk clk; + sc_out_clk c; + sc_out_clk d; + + proc4( sc_module_name NAME, + sc_signal<bool>& A, + sc_signal<bool>& B, + sc_signal_in_if<bool>& CLK, + sc_signal_out_if<bool>& C, + sc_signal_out_if<bool>& D ) + { + a(A); + b(B); + clk(CLK); + c(C); + d(D); + SC_METHOD( entry ); + sensitive << a << b << clk; + } + + void entry() + { + if ((bool) a == 1) + c = clk; + else + c = 0; + + d = clk & b; + } +}; + +#define NS * 1e-9 + +int +sc_main( int argc, char* argv[] ) +{ + sc_signal<bool> clk1("clk1"); + sc_signal<bool> dclk1("Dclock1"); // First derived clock + sc_signal<bool> dclk2("Dclock2"); // Second derived clock + + sc_signal<bool> p("p"), q("q"); + + proc1 p1("p1", clk1); + proc2 p2("p2", dclk1); + proc3 p3("p3", dclk2); + proc4 p4("p4", p, q, clk1, dclk1, dclk2 ); + + sc_start(0, SC_NS); + p = 1; + q = 1; + for (double t = 0; t < 5 NS; t += 1 NS) { + clk1 = 1; + sc_start( 1, SC_NS ); + clk1 = 0; + sc_start( 1, SC_NS ); + cout << " ***" << endl; + } + q = 0; + for (double t = 0; t < 5 NS; t += 1 NS) { + clk1 = 1; + sc_start( 1, SC_NS ); + clk1 = 0; + sc_start( 1, SC_NS ); + cout << " ***" << endl; + } + p = 0; + for (double t = 0; t < 5 NS; t += 1 NS) { + clk1 = 1; + sc_start( 1, SC_NS ); + clk1 = 0; + sc_start( 1, SC_NS ); + cout << " ***" << endl; + } + + return 0; +} |