| /***************************************************************************** |
| |
| 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. |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| manual_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" |
| #include "isaac.h" |
| |
| QTIsaac<8> rng; // Platform independent random number generator. |
| |
| SC_MODULE( proc1 ) |
| { |
| SC_HAS_PROCESS( proc1 ); |
| |
| sc_in_clk clk; |
| |
| sc_in<bool> a; |
| sc_in<bool> b; |
| sc_inout<bool> c; |
| |
| proc1( sc_module_name NAME, |
| sc_signal_in_if<bool>& CLK, |
| sc_signal<bool>& A, |
| sc_signal<bool>& B, |
| sc_signal<bool>& C ) |
| { |
| clk( CLK ); |
| a(A); b(B); c(C); |
| SC_CTHREAD( entry, clk.pos() ); |
| } |
| |
| void entry() |
| { |
| while (true) { |
| wait(); |
| c = a.read() && b.read(); |
| wait(); |
| cout << sc_time_stamp() << " P1(a&&b):: C = " << c.read() |
| << endl; |
| c = a.read() || b.read(); |
| wait(); |
| cout << sc_time_stamp() << " P1(a||b):: C = " << c.read() |
| << endl; |
| c = a ^ b; |
| } |
| } |
| }; |
| |
| SC_MODULE( proc2 ) |
| { |
| SC_HAS_PROCESS( proc2 ); |
| |
| sc_in_clk clk; |
| |
| sc_in<bool> a; |
| sc_in<bool> b; |
| sc_inout<bool> c; |
| |
| proc2( sc_module_name NAME, |
| sc_signal_in_if<bool>& CLK, |
| sc_signal<bool>& A, |
| sc_signal<bool>& B, |
| sc_signal<bool>& C ) |
| { |
| clk( CLK ); |
| a(A); b(B); c(C); |
| SC_CTHREAD( entry, clk.pos() ); |
| } |
| |
| void entry() |
| { |
| while (true) { |
| wait(); |
| c = ! (a.read() && b.read()); |
| wait(); |
| cout << sc_time_stamp() << " P2(a&&b):: C = " << c.read() |
| << endl; |
| c = ! (a.read() || b.read()); |
| wait(); |
| cout << sc_time_stamp() << " P2(a||b):: C = " << c.read() |
| << endl; |
| c = ! (a ^ b); |
| } |
| } |
| }; |
| |
| // comparator |
| SC_MODULE( proc3 ) |
| { |
| SC_HAS_PROCESS( proc3 ); |
| |
| sc_in<bool> a; |
| sc_in<bool> b; |
| sc_out<bool> c; |
| sc_out<bool> d; |
| |
| proc3( sc_module_name NAME, |
| sc_signal<bool>& A, |
| sc_signal<bool>& B, |
| sc_signal<bool>& C, |
| sc_signal<bool>& D ) |
| { |
| a(A); b(B); c(C); d(D); |
| SC_METHOD( entry ); |
| sensitive << a << b; |
| } |
| |
| void entry() |
| { |
| c = (a == b); |
| d = (a != b); |
| } |
| }; |
| |
| int |
| sc_main( int argc, char* argv[] ) |
| { |
| sc_signal<bool> clk1("clk1"); |
| sc_signal<bool> clk2("clk2"); |
| |
| sc_signal<bool> a("a"), b("b"); |
| sc_signal<bool> p("p"), q("q"); |
| sc_signal<bool> zero("zero"), one("one"); |
| |
| proc1 p1( "p1", clk1, a, b, p ); |
| proc2 p2( "p2", clk2, a, b, q ); |
| proc3 p3( "p3", p, q, zero, one ); |
| |
| sc_start(0, SC_NS); |
| for (double t = 0; t < 0.00001; t += 1e-9) { |
| clk1 = 1; |
| clk2 = 1; |
| a = rng.rand() & 16; |
| b = rng.rand() & 32; |
| sc_start( 1, SC_NS ); |
| clk1 = 0; |
| clk2 = 0; |
| sc_start( 1, SC_NS ); |
| } |
| |
| return 0; |
| } |