blob: d7d8d9ba8a4b85abd5fdf5e402e5e86fbb26719a [file] [log] [blame]
/*****************************************************************************
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_reset.cpp
//
// Original Author: John Aynsley, Doulos, Inc.
//
// MODIFICATION LOG - modifiers, enter your name, affiliation, date and
//
// $Log: async_reset.cpp,v $
// Revision 1.3 2011/05/08 19:18:45 acg
// Andy Goodrich: remove extraneous + prefixes from git diff.
//
// async_reset_signal_is
#define SC_INCLUDE_DYNAMIC_PROCESSES
#include <systemc>
using namespace sc_core;
using std::cout;
using std::endl;
struct Top: sc_module
{
Top(sc_module_name _name)
: count(0)
{
clk_port.bind(clk);
SC_THREAD(ctrl);
SC_CTHREAD(CT, clk_port.value_changed());
async_reset_signal_is(areset, true);
ct = sc_get_current_process_handle();
sc_spawn_options opt;
opt.async_reset_signal_is(areset, true);
t = sc_spawn(sc_bind(&Top::T, this), "T", &opt);
opt.spawn_method();
opt.dont_initialize();
opt.set_sensitivity( &clk );
m = sc_spawn(sc_bind(&Top::M, this), "M", &opt);
SC_CTHREAD(CT2, clk_port.pos())
async_reset_signal_is(areset1, true);
async_reset_signal_is(areset2, true);
async_reset_signal_is(areset3, true);
reset_signal_is(sreset1, true);
reset_signal_is(sreset2, true);
reset_signal_is(sreset3, true);
ct2 = sc_get_current_process_handle();
ct2.disable();
SC_THREAD(T2)
sensitive << clk_port.pos();
async_reset_signal_is(areset1, true);
async_reset_signal_is(areset2, true);
async_reset_signal_is(areset3, true);
reset_signal_is(sreset1, true);
reset_signal_is(sreset2, true);
reset_signal_is(sreset3, true);
t2 = sc_get_current_process_handle();
t2.disable();
clk.write(false);
areset.write(false);
f1 = f2 = f3 = f4 = f5 = f6 = f7 = f8 = f9 = 0;
f10 = f11 = f12 = f13 = f14 = f15 = f16 = f17 = f18 = f19 = 0;
f20 = f21 = f22 = f23 = f24 = f25 = f26 = f27 = f28 = f29 = 0;
f30 = f31 = f32 = f33 = f34 = f35 = f36 = f37 = f38 = f39 = 0;
f40 = f41 = f42 = f43 = f44 = f45 = f46 = f47 = f48 = f49 = 0;
f50 = f51 = f52 = f53 = f54 = f55 = f56 = f57 = f58 = f59 = 0;
f60 = f61 = f62 = f63 = f64 = f65 = f66 = f67 = f68 = f69 = 0;
f70 = f71 = f72 = f73 = f74 = f75 = f76 = f77 = f78 = f79 = 0;
f80 = f81 = f82 = f83 = f84 = f85 = f86 = f87 = f88 = f89 = 0;
}
sc_signal<bool> clk;
sc_in<bool> clk_port;
sc_signal<bool> areset;
sc_signal<bool> areset1, areset2, areset3, sreset1, sreset2, sreset3;
sc_process_handle ct, t, m, ct2, t2;
int count;
int f1, f2, f3, f4, f5, f6, f7, f8, f9;
int f10, f11, f12, f13, f14, f15, f16, f17, f18, f19;
int f20, f21, f22, f23, f24, f25, f26, f27, f28, f29;
int f30, f31, f32, f33, f34, f35, f36, f37, f38, f39;
int f40, f41, f42, f43, f44, f45, f46, f47, f48, f49;
int f50, f51, f52, f53, f54, f55, f56, f57, f58, f59;
int f60, f61, f62, f63, f64, f65, f66, f67, f68, f69;
int f70, f71, f72, f73, f74, f75, f76, f77, f78, f79;
int f80, f81, f82, f83, f84, f85, f86, f87, f88, f89;
void ctrl()
{
sc_assert( sc_delta_count() == 0 );
clock();
wait(SC_ZERO_TIME);
wait(SC_ZERO_TIME);
count = 1;
clock();
wait(1, SC_NS);
count = 2;
clock();
wait(10, SC_NS);
count = 3;
clock();
wait(sc_time(20, SC_NS) - sc_time_stamp());
count = 4;
areset.write(true);
wait(1, SC_NS);
count = 5;
areset.write(false);
wait(1, SC_NS);
count = 6;
clock();
wait(sc_time(30, SC_NS) - sc_time_stamp());
count = 7;
areset.write(true);
wait(1, SC_NS);
count = 8;
clock(); // Clocked while asynch reset is active
wait(1, SC_NS);
count = 9;
clock();
wait(1, SC_NS);
count = 10;
areset.write(false);
wait(1, SC_NS);
count = 11;
areset.write(true);
wait(1, SC_NS);
count = 12;
areset.write(false);
wait(sc_time(40, SC_NS) - sc_time_stamp());
count = 13;
sync_reset_on();
wait(1, SC_NS);
count = 14;
clock();
wait(1, SC_NS);
count = 15;
sync_reset_off();
wait(sc_time(50, SC_NS) - sc_time_stamp());
count = 16;
disable();
wait(1, SC_NS);
count = 17;
clock();
wait(1, SC_NS);
count = 18;
sync_reset_on();
clock();
wait(1, SC_NS);
count = 19;
enable();
clock();
wait(1, SC_NS);
count = 20;
sync_reset_off();
clock();
wait(sc_time(60, SC_NS) - sc_time_stamp());
count = 21;
disable();
wait(1, SC_NS);
count = 22;
areset.write(true);
wait(1, SC_NS);
count = 23;
clock();
wait(1, SC_NS);
count = 24;
areset.write(false);
wait(1, SC_NS);
count = 25;
clock();
wait(1, SC_NS);
count = 26;
areset.write(true);
wait(1, SC_NS);
count = 27;
enable();
wait(1, SC_NS);
count = 28;
clock();
wait(1, SC_NS);
count = 29;
areset.write(false);
wait(sc_time(100, SC_NS) - sc_time_stamp());
count = 30;
ct.disable();
t.disable();
m.disable();
// Test multiple resets
ct2.enable();
t2.enable();
clock2();
count = 31;
clock2();
count = 32;
sreset1.write(1);
clock2();
count = 33;
sreset2.write(1);
sreset3.write(1);
clock2();
count = 34;
sreset1.write(0);
sreset2.write(0);
clock2();
count = 35;
sreset3.write(0);
clock2();
count = 36;
areset1.write(1);
areset2.write(1);
areset3.write(1);
wait(SC_ZERO_TIME);
count = 37;
clock2();
count = 38;
sreset1.write(1);
sreset2.write(1);
sreset3.write(1);
ct2.sync_reset_on();
t2.sync_reset_on();
clock2();
count = 39;
areset1.write(0);
areset2.write(0);
areset3.write(0);
sreset1.write(0);
sreset2.write(0);
sreset3.write(0);
clock2();
count = 40;
ct2.sync_reset_off();
t2.sync_reset_off();
clock2();
count = 41;
sreset2.write(1);
ct2.sync_reset_on();
t2.sync_reset_on();
clock2();
count = 42;
areset2.write(1);
wait(SC_ZERO_TIME);
count = 43;
clock2();
count = 44;
sreset2.write(0);
ct2.sync_reset_off();
t2.sync_reset_off();
clock2();
count = 45;
areset1.write(0);
areset2.write(0);
areset3.write(0);
sreset1.write(0);
sreset2.write(0);
sreset3.write(0);
clock2();
count = 46;
ct2.reset();
t2.reset();
wait(SC_ZERO_TIME);
count = 47;
clock2();
}
void CT()
{
//cout << "CT() called at " << sc_time_stamp() << endl;
switch (count)
{
case 0: sc_assert( sc_delta_count() == 1 ); f1=1; break;
case 4: sc_assert( sc_time_stamp() == sc_time(20, SC_NS) ); f2=1; break;
case 7: sc_assert( sc_time_stamp() == sc_time(30, SC_NS) ); f3=1; break;
case 8: sc_assert( sc_time_stamp() == sc_time(31, SC_NS) ); f4=1; break;
case 9: sc_assert( sc_time_stamp() == sc_time(32, SC_NS) ); f5=1; break;
case 11: sc_assert( sc_time_stamp() == sc_time(34, SC_NS) ); f6=1; break;
case 14: sc_assert( sc_time_stamp() == sc_time(41, SC_NS) ); f7=1; break;
case 19: sc_assert( sc_time_stamp() == sc_time(53, SC_NS) ); f8=1; break;
case 22: sc_assert( sc_time_stamp() == sc_time(61, SC_NS) ); f9=1; break;
case 26: sc_assert( sc_time_stamp() == sc_time(65, SC_NS) ); f11=1; break;
case 28: sc_assert( sc_time_stamp() == sc_time(67, SC_NS) ); f12=1; break;
default: sc_assert( false ); break;
}
while (true)
{
wait();
//cout << "CT() awoke at " << sc_time_stamp() << endl;
switch (count)
{
case 1: sc_assert( sc_delta_count() == 3 ); f13=1; break;
case 2: sc_assert( sc_time_stamp() == sc_time(1, SC_NS) ); f14=1; break;
case 3: sc_assert( sc_time_stamp() == sc_time(11, SC_NS) ); f15=1; break;
case 6: sc_assert( sc_time_stamp() == sc_time(22, SC_NS) ); f16=1; break;
case 20: sc_assert( sc_time_stamp() == sc_time(54, SC_NS) ); f17=1; break;
default: sc_assert( false ); break;
}
}
}
void T()
{
//cout << "T() called at " << sc_time_stamp() << endl;
switch (count)
{
case 0: sc_assert( sc_delta_count() == 0 ); f18=1; break;
case 4: sc_assert( sc_time_stamp() == sc_time(20, SC_NS) ); f19=1; break;
case 7: sc_assert( sc_time_stamp() == sc_time(30, SC_NS) ); f20=1; break;
case 8: sc_assert( sc_time_stamp() == sc_time(31, SC_NS) ); f21=1; break;
case 9: sc_assert( sc_time_stamp() == sc_time(32, SC_NS) ); f22=1; break;
case 11: sc_assert( sc_time_stamp() == sc_time(34, SC_NS) ); f23=1; break;
case 14: sc_assert( sc_time_stamp() == sc_time(41, SC_NS) ); f24=1; break;
case 19: sc_assert( sc_time_stamp() == sc_time(53, SC_NS) ); f25=1; break;
case 22: sc_assert( sc_time_stamp() == sc_time(61, SC_NS) ); f26=1; break;
case 26: sc_assert( sc_time_stamp() == sc_time(65, SC_NS) ); f28=1; break;
case 28: sc_assert( sc_time_stamp() == sc_time(67, SC_NS) ); f29=1; break;
default: sc_assert( false ); break;
}
while (true)
{
wait(clk.default_event());
//cout << "T() awoke at " << sc_time_stamp() << endl;
switch (count)
{
case 0: sc_assert( sc_delta_count() == 1 ); f30=1; break;
case 1: sc_assert( sc_delta_count() == 3 ); f31=1; break;
case 2: sc_assert( sc_time_stamp() == sc_time(1, SC_NS) ); f32=1; break;
case 3: sc_assert( sc_time_stamp() == sc_time(11, SC_NS) ); f33=1; break;
case 6: sc_assert( sc_time_stamp() == sc_time(22, SC_NS) ); f34=1; break;
case 20: sc_assert( sc_time_stamp() == sc_time(54, SC_NS) ); f35=1; break;
default: sc_assert( false ); break;
}
}
}
void M()
{
//cout << "M() called at " << sc_time_stamp() << endl;
switch (count)
{
case 0: sc_assert( sc_delta_count() == 1 ); f36=1; break;
case 1: sc_assert( sc_delta_count() == 3 ); f37=1; break;
case 2: sc_assert( sc_time_stamp() == sc_time(1, SC_NS) ); f38=1; break;
case 3: sc_assert( sc_time_stamp() == sc_time(11, SC_NS) ); f39=1; break;
case 4: sc_assert( sc_time_stamp() == sc_time(20, SC_NS) ); f83=1; break;
case 6: sc_assert( sc_time_stamp() == sc_time(22, SC_NS) ); f40=1; break;
case 7: sc_assert( sc_time_stamp() == sc_time(30, SC_NS) ); f84=1; break;
case 8: sc_assert( sc_time_stamp() == sc_time(31, SC_NS) ); f41=1; break;
case 9: sc_assert( sc_time_stamp() == sc_time(32, SC_NS) ); f42=1; break;
case 11: sc_assert( sc_time_stamp() == sc_time(34, SC_NS) ); f85=1; break;
case 14: sc_assert( sc_time_stamp() == sc_time(41, SC_NS) ); f43=1; break;
case 19: sc_assert( sc_time_stamp() == sc_time(53, SC_NS) ); f44=1; break;
case 20: sc_assert( sc_time_stamp() == sc_time(54, SC_NS) ); f45=1; break;
case 22: sc_assert( sc_time_stamp() == sc_time(61, SC_NS) ); f26=1; break;
case 26: sc_assert( sc_time_stamp() == sc_time(65, SC_NS) ); f86=1; break;
case 28: sc_assert( sc_time_stamp() == sc_time(67, SC_NS) ); f46=1; break;
default: sc_assert( false ); break;
}
}
void CT2()
{
//cout << "CT2() called at " << sc_time_stamp() << endl;
switch (count)
{
case 30: sc_assert( sc_time_stamp() == sc_time(105, SC_NS) ); f47=1; break;
case 32: sc_assert( sc_time_stamp() == sc_time(125, SC_NS) ); f51=1; break;
case 33: sc_assert( sc_time_stamp() == sc_time(135, SC_NS) ); f53=1; break;
case 34: sc_assert( sc_time_stamp() == sc_time(145, SC_NS) ); f55=1; break;
case 36: sc_assert( sc_time_stamp() == sc_time(160, SC_NS) ); f59=1; break;
case 37: sc_assert( sc_time_stamp() == sc_time(165, SC_NS) ); f61=1; break;
case 38: sc_assert( sc_time_stamp() == sc_time(175, SC_NS) ); f63=1; break;
case 39: sc_assert( sc_time_stamp() == sc_time(185, SC_NS) ); f65=1; break;
case 41: sc_assert( sc_time_stamp() == sc_time(205, SC_NS) ); f69=1; break;
case 42: sc_assert( sc_time_stamp() == sc_time(210, SC_NS) ); f71=1; break;
case 43: sc_assert( sc_time_stamp() == sc_time(215, SC_NS) ); f73=1; break;
case 44: sc_assert( sc_time_stamp() == sc_time(225, SC_NS) ); f75=1; break;
case 46: sc_assert( sc_time_stamp() == sc_time(240, SC_NS) ); f79=1; break;
default: sc_assert( false ); break;
}
while (true)
{
wait();
//cout << "CT2() awoke at " << sc_time_stamp() << endl;
switch (count)
{
case 31: sc_assert( sc_time_stamp() == sc_time(115, SC_NS) ); f49=1; break;
case 35: sc_assert( sc_time_stamp() == sc_time(155, SC_NS) ); f57=1; break;
case 40: sc_assert( sc_time_stamp() == sc_time(195, SC_NS) ); f67=1; break;
case 45: sc_assert( sc_time_stamp() == sc_time(235, SC_NS) ); f77=1; break;
case 47: sc_assert( sc_time_stamp() == sc_time(245, SC_NS) ); f81=1; break;
default: sc_assert( false ); break;
}
}
}
void T2()
{
//cout << "T2() called at " << sc_time_stamp() << endl;
switch (count)
{
case 30: sc_assert( sc_time_stamp() == sc_time(105, SC_NS) ); f48=1; break;
case 32: sc_assert( sc_time_stamp() == sc_time(125, SC_NS) ); f52=1; break;
case 33: sc_assert( sc_time_stamp() == sc_time(135, SC_NS) ); f54=1; break;
case 34: sc_assert( sc_time_stamp() == sc_time(145, SC_NS) ); f56=1; break;
case 36: sc_assert( sc_time_stamp() == sc_time(160, SC_NS) ); f60=1; break;
case 37: sc_assert( sc_time_stamp() == sc_time(165, SC_NS) ); f62=1; break;
case 38: sc_assert( sc_time_stamp() == sc_time(175, SC_NS) ); f64=1; break;
case 39: sc_assert( sc_time_stamp() == sc_time(185, SC_NS) ); f66=1; break;
case 41: sc_assert( sc_time_stamp() == sc_time(205, SC_NS) ); f70=1; break;
case 42: sc_assert( sc_time_stamp() == sc_time(210, SC_NS) ); f72=1; break;
case 43: sc_assert( sc_time_stamp() == sc_time(215, SC_NS) ); f74=1; break;
case 44: sc_assert( sc_time_stamp() == sc_time(225, SC_NS) ); f76=1; break;
case 46: sc_assert( sc_time_stamp() == sc_time(240, SC_NS) ); f80=1; break;
default: sc_assert( false ); break;
}
while (true)
{
wait();
//cout << "T2() awoke at " << sc_time_stamp() << endl;
switch (count)
{
case 31: sc_assert( sc_time_stamp() == sc_time(115, SC_NS) ); f50=1; break;
case 35: sc_assert( sc_time_stamp() == sc_time(155, SC_NS) ); f58=1; break;
case 40: sc_assert( sc_time_stamp() == sc_time(195, SC_NS) ); f68=1; break;
case 45: sc_assert( sc_time_stamp() == sc_time(235, SC_NS) ); f78=1; break;
case 47: sc_assert( sc_time_stamp() == sc_time(245, SC_NS) ); f82=1; break;
default: sc_assert( false ); break;
}
}
}
void clock()
{
clk.write( !clk.read() );
}
void clock2()
{
clk.write(0);
wait(5, SC_NS);
clk.write(1);
wait(5, SC_NS);
}
void suspend()
{
ct.suspend();
t.suspend();
m.suspend();
}
void resume()
{
ct.resume();
t.resume();
m.resume();
}
void disable()
{
ct.disable();
t.disable();
m.disable();
}
void enable()
{
ct.enable();
t.enable();
m.enable();
}
void sync_reset_on()
{
ct.sync_reset_on();
t.sync_reset_on();
m.sync_reset_on();
}
void sync_reset_off()
{
ct.sync_reset_off();
t.sync_reset_off();
m.sync_reset_off();
}
SC_HAS_PROCESS(Top);
};
int sc_main(int argc, char* argv[])
{
Top top("top");
sc_start();
sc_assert(top.f1);
sc_assert(top.f2);
sc_assert(top.f3);
sc_assert(top.f4);
sc_assert(top.f5);
sc_assert(top.f6);
sc_assert(top.f7);
sc_assert(top.f8);
sc_assert(top.f9);
sc_assert(top.f11);
sc_assert(top.f12);
sc_assert(top.f13);
sc_assert(top.f14);
sc_assert(top.f15);
sc_assert(top.f16);
sc_assert(top.f17);
sc_assert(top.f18);
sc_assert(top.f19);
sc_assert(top.f20);
sc_assert(top.f21);
sc_assert(top.f22);
sc_assert(top.f23);
sc_assert(top.f24);
sc_assert(top.f25);
sc_assert(top.f26);
sc_assert(top.f28);
sc_assert(top.f29);
sc_assert(top.f30);
sc_assert(top.f31);
sc_assert(top.f32);
sc_assert(top.f33);
sc_assert(top.f34);
sc_assert(top.f35);
sc_assert(top.f36);
sc_assert(top.f37);
sc_assert(top.f38);
sc_assert(top.f39);
sc_assert(top.f40);
sc_assert(top.f41);
sc_assert(top.f42);
sc_assert(top.f43);
sc_assert(top.f44);
sc_assert(top.f45);
sc_assert(top.f46);
sc_assert(top.f47);
sc_assert(top.f48);
sc_assert(top.f49);
sc_assert(top.f50);
sc_assert(top.f51);
sc_assert(top.f52);
sc_assert(top.f53);
sc_assert(top.f54);
sc_assert(top.f55);
sc_assert(top.f56);
sc_assert(top.f57);
sc_assert(top.f58);
sc_assert(top.f59);
sc_assert(top.f60);
sc_assert(top.f61);
sc_assert(top.f62);
sc_assert(top.f63);
sc_assert(top.f64);
sc_assert(top.f65);
sc_assert(top.f66);
sc_assert(top.f67);
sc_assert(top.f68);
sc_assert(top.f69);
sc_assert(top.f70);
sc_assert(top.f71);
sc_assert(top.f72);
sc_assert(top.f73);
sc_assert(top.f74);
sc_assert(top.f75);
sc_assert(top.f76);
sc_assert(top.f77);
sc_assert(top.f78);
sc_assert(top.f79);
sc_assert(top.f80);
sc_assert(top.f81);
sc_assert(top.f82);
sc_assert(top.f83);
sc_assert(top.f84);
sc_assert(top.f85);
sc_assert(top.f86);
cout << endl << "Success" << endl;
return 0;
}