iverilog/vvm/display.cc

265 lines
6.4 KiB
C++

/*
* Copyright (c) 1998 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: display.cc,v 1.5 1999/05/31 15:46:36 steve Exp $"
#endif
# include "vvm.h"
# include "vvm_calltf.h"
# include <iostream>
static void format_hex(vvm_simulation*sim, ostream&os,
class vvm_calltf_parm*parm)
{
switch (parm->type()) {
case vvm_calltf_parm::TIME:
os << sim->get_sim_time();
break;
case vvm_calltf_parm::NONE:
os << "z";
break;
case vvm_calltf_parm::ULONG:
os << ((parm->as_ulong()&1) ? "0" : "1");
break;
case vvm_calltf_parm::STRING:
os << parm->as_string();
break;
case vvm_calltf_parm::BITS:
unsigned c = 0;
for (unsigned idx = parm->as_bits()->get_width()
; idx > 0 ; idx -= 1)
c = (c << 1) | parm->as_bits()->get_bit(idx-1);
cout.form("%x",c);
break;
}
}
static void format_bit(vvm_simulation*sim, ostream&os,
class vvm_calltf_parm*parm)
{
switch (parm->type()) {
case vvm_calltf_parm::TIME:
os << (sim->get_sim_time()&1);
break;
case vvm_calltf_parm::NONE:
os << "z";
break;
case vvm_calltf_parm::ULONG:
os << ((parm->as_ulong()&1) ? "0" : "1");
break;
case vvm_calltf_parm::STRING:
os << parm->as_string();
break;
case vvm_calltf_parm::BITS:
for (unsigned idx = parm->as_bits()->get_width()
; idx > 0 ; idx -= 1)
os << parm->as_bits()->get_bit(idx-1);
break;
}
}
static void format_dec(vvm_simulation*sim, ostream&os,
class vvm_calltf_parm*parm)
{
switch (parm->type()) {
case vvm_calltf_parm::TIME:
os << sim->get_sim_time();
break;
case vvm_calltf_parm::NONE:
os << "0";
break;
case vvm_calltf_parm::ULONG:
os << parm->as_ulong();
break;
case vvm_calltf_parm::STRING:
os << parm->as_string();
break;
case vvm_calltf_parm::BITS: {
unsigned long val = 0;
unsigned long mask = 1;
const vvm_bits_t*bstr = parm->as_bits();
for (unsigned idx = 0 ; idx < bstr->get_width() ; idx += 1) {
if (bstr->get_bit(idx) == V1) val |= mask;
mask <<= 1;
}
os << val;
break;
}
}
}
static void format_name(ostream&os, class vvm_calltf_parm*parm)
{
switch (parm->type()) {
case vvm_calltf_parm::TIME:
os << "$time";
break;
case vvm_calltf_parm::NONE:
break;
case vvm_calltf_parm::ULONG:
os << parm->as_ulong();
break;
case vvm_calltf_parm::STRING:
os << "\"" << parm->as_string() << "\"";
break;
case vvm_calltf_parm::BITS:
os << parm->sig_name();
break;
}
}
static unsigned format(vvm_simulation*sim, const string&str,
unsigned nparms,
class vvm_calltf_parm*parms)
{
char prev = 0;
unsigned next_parm = 0;
unsigned idx = 0;
while (idx < str.length()) {
if (prev == '%') {
switch (str[idx]) {
case 'b':
case 'B':
format_bit(sim, cout, parms+next_parm);
next_parm += 1;
break;
case 'x':
case 'X':
case 'h':
case 'H':
format_hex(sim, cout, parms+next_parm);
next_parm += 1;
break;
case 'd':
case 'D':
format_dec(sim, cout, parms+next_parm);
next_parm += 1;
break;
case 'm':
case 'M':
format_name(cout, parms+next_parm);
next_parm += 1;
break;
case '%':
cout << str[idx];
break;
}
prev = 0;
} else {
if (str[idx] != '%')
cout << str[idx];
else
prev = '%';
}
idx += 1;
}
return next_parm;
}
void Sdisplay(vvm_simulation*sim, const string&name,
unsigned nparms, class vvm_calltf_parm*parms)
{
for (unsigned idx = 0 ; idx < nparms ; idx += 1)
switch (parms[idx].type()) {
case vvm_calltf_parm::NONE:
cout << " ";
break;
case vvm_calltf_parm::TIME:
cout << sim->get_sim_time();
break;
case vvm_calltf_parm::ULONG:
cout << parms[idx].as_ulong();
break;
case vvm_calltf_parm::STRING:
idx += format(sim, parms[idx].as_string(),
nparms-idx-1, parms+idx+1);
break;
case vvm_calltf_parm::BITS:
cout << *parms[idx].as_bits();
break;
}
cout << endl;
}
class monitor_event : public vvm_event {
public:
monitor_event(vvm_simulation*sim,
unsigned nparms, class vvm_calltf_parm*parms)
{ sim_ = sim;
nparms_ = nparms;
parms_ = new vvm_calltf_parm[nparms];
for (unsigned idx = 0 ; idx < nparms_ ; idx += 1)
parms_[idx] = parms[idx];
}
~monitor_event() { delete[]parms_; }
private:
vvm_simulation*sim_;
unsigned nparms_;
vvm_calltf_parm*parms_;
void event_function();
};
void monitor_event::event_function()
{
Sdisplay(sim_, "$display", nparms_, parms_);
}
static monitor_event*mon = 0;
void Smonitor(vvm_simulation*sim, const string&name,
unsigned nparms, class vvm_calltf_parm*parms)
{
if (mon) delete mon;
mon = new monitor_event(sim, nparms, parms);
for (unsigned idx = 0 ; idx < nparms ; idx += 1) {
if (parms[idx].type() != vvm_calltf_parm::BITS)
continue;
parms[idx].as_mon()->enable(mon);
}
}
/*
* $Log: display.cc,v $
* Revision 1.5 1999/05/31 15:46:36 steve
* Handle time in more places.
*
* Revision 1.4 1999/05/12 04:02:17 steve
* Add %x support contributed by Steve Wilson.
*
* Revision 1.3 1999/01/01 01:44:40 steve
* Proberly print vectors in binary.
*
* Revision 1.2 1998/11/10 00:48:31 steve
* Add support it vvm target for level-sensitive
* triggers (i.e. the Verilog wait).
* Fix display of $time is format strings.
*
* Revision 1.1 1998/11/09 23:44:10 steve
* Add vvm library.
*
*/