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Diffstat (limited to 'src/systemc/tests/systemc/misc/stars/vcd_trace/star126273/test.cpp')
| -rw-r--r-- | src/systemc/tests/systemc/misc/stars/vcd_trace/star126273/test.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/stars/vcd_trace/star126273/test.cpp b/src/systemc/tests/systemc/misc/stars/vcd_trace/star126273/test.cpp new file mode 100644 index 000000000..be8f38566 --- /dev/null +++ b/src/systemc/tests/systemc/misc/stars/vcd_trace/star126273/test.cpp @@ -0,0 +1,124 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + test.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: + + *****************************************************************************/ + +// +// bug in sc_vcd_trace::cycle() +// in SystemC 1.2.1Beta (also 1.0.2). +// Simulates correctly (two clock edges at time 15). +// But VCD is corrupt - has #0 instead of #15. +// Also, this message should be printed but isn't: +// VCD Trace Warning: +// Multiple cycles found with same (15) time units count. +// Waveform viewers will only show the states of the last one. +// Use ((vcd_trace_file*)vcdfile)->sc_set_vcd_time_unit(int exponent10_seconds) +// to increase time resolution. +// +// + +#include "systemc.h" +// #include <iostream.h> + +// class foo: sc_module { +class foo: public sc_module { +public: + sc_in<bool> clk1; + sc_in<bool> clk2; + + SC_CTOR(foo) { + SC_METHOD(do_clk1); + sensitive << clk1.pos(); + SC_METHOD(do_clk2); + sensitive << clk2.pos(); + } + void do_clk1() { + cout << "foo: clk1 + " << sc_time_stamp() << endl; + } + void do_clk2() { + cout << "foo: clk2 + " << sc_time_stamp() << endl; + } +}; + +int +sc_main(int argc, char *argv[]) +{ + // sc_clock clk1("clk1", 10, SC_NS, 0.5); + // sc_clock clk2("clk2", 12, SC_NS, 0.5); + sc_signal<bool> clk1( "clk1" ); + sc_signal<bool> clk2( "clk2" ); + + foo FOO("FOO"); + + FOO.clk1(clk1); + FOO.clk2(clk2); + + sc_trace_file *tf = sc_create_vcd_trace_file("test"); + // sc_trace(tf, clk1.signal(), "clk1"); + // sc_trace(tf, clk2.signal(), "clk2"); + sc_trace(tf, clk1, "clk1"); + sc_trace(tf, clk2, "clk2"); + + sc_start(0, SC_NS); + + clk1 = 0; + clk2 = 0; // 0 ns + sc_start(3, SC_NS); + clk2 = 1; // 3 ns + + sc_start(2, SC_NS); + clk1 = 1; // 5 ns + + sc_start(4, SC_NS); + clk2 = 0; // 9 ns + sc_start(1, SC_NS); + clk1 = 0; // 10 ns + sc_start(5, SC_NS); + clk2 = 1; // 15 ns + + sc_start(0, SC_NS); + clk1 = 1; // 15 ns + + sc_start(5, SC_NS); + clk1 = 0; // 20 ns + sc_start(1, SC_NS); + clk2 = 0; // 21 ns + sc_start(4, SC_NS); + clk1 = 1; // 25 ns + + sc_start(2, SC_NS); + clk2 = 1; // 27 ns + + sc_start(3, SC_NS); + clk1 = 0; // 30 ns + + sc_close_vcd_trace_file(tf); + + return 0; +} |