160 lines
4.1 KiB
C
160 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 2000 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) && !defined(macintosh)
|
|
#ident "$Id: stub.c,v 1.7 2000/09/18 01:24:32 steve Exp $"
|
|
#endif
|
|
|
|
/*
|
|
* This is a sample target module. All this does is write to the
|
|
* output file some information about each object handle when each of
|
|
* the various object functions is called. This can be used to
|
|
* understand the behavior of the core as it uses a target module.
|
|
*/
|
|
|
|
# include <ivl_target.h>
|
|
# include <stdio.h>
|
|
|
|
static FILE*out;
|
|
|
|
int target_start_design(ivl_design_t des)
|
|
{
|
|
const char*path = ivl_get_flag(des, "-o");
|
|
if (path == 0) {
|
|
return -1;
|
|
}
|
|
|
|
out = fopen(path, "w");
|
|
if (out == 0) {
|
|
perror(path);
|
|
return -2;
|
|
}
|
|
|
|
fprintf(out, "module %s;\n", ivl_get_root_name(des));
|
|
return 0;
|
|
}
|
|
|
|
void target_end_design(ivl_design_t des)
|
|
{
|
|
fprintf(out, "endmodule\n");
|
|
fclose(out);
|
|
}
|
|
|
|
int target_net_bufz(const char*name, ivl_net_bufz_t net)
|
|
{
|
|
fprintf(out, "STUB: %s: BUFZ\n", name);
|
|
return 0;
|
|
}
|
|
|
|
int target_net_const(const char*name, ivl_net_const_t net)
|
|
{
|
|
fprintf(out, "STUB: %s: constant\n", name);
|
|
return 0;
|
|
}
|
|
|
|
int target_net_event(const char*name, ivl_net_event_t net)
|
|
{
|
|
fprintf(out, "STUB: %s: event\n", name);
|
|
return 0;
|
|
}
|
|
|
|
int target_net_logic(const char*name, ivl_net_logic_t net)
|
|
{
|
|
unsigned npins, idx;
|
|
|
|
switch (ivl_get_logic_type(net)) {
|
|
case IVL_AND:
|
|
fprintf(out, " and %s (%s", name,
|
|
ivl_get_nexus_name(ivl_get_logic_pin(net, 0)));
|
|
break;
|
|
case IVL_OR:
|
|
fprintf(out, " or %s (%s", name,
|
|
ivl_get_nexus_name(ivl_get_logic_pin(net, 0)));
|
|
break;
|
|
default:
|
|
fprintf(out, "STUB: %s: unsupported gate\n", name);
|
|
return -1;
|
|
}
|
|
|
|
npins = ivl_get_logic_pins(net);
|
|
for (idx = 1 ; idx < npins ; idx += 1)
|
|
fprintf(out, ", %s",
|
|
ivl_get_nexus_name(ivl_get_logic_pin(net,idx)));
|
|
|
|
fprintf(out, ");\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int target_net_probe(const char*name, ivl_net_probe_t net)
|
|
{
|
|
fprintf(out, "STUB: %s: probe\n", name);
|
|
return 0;
|
|
}
|
|
|
|
int target_net_signal(const char*name, ivl_net_signal_t net)
|
|
{
|
|
fprintf(out, "STUB: %s: signal [%u]\n", name, ivl_get_signal_pins(net));
|
|
return 0;
|
|
}
|
|
|
|
int target_process(ivl_process_t net)
|
|
{
|
|
switch (ivl_get_process_type(net)) {
|
|
case IVL_PR_INITIAL:
|
|
fprintf(out, " initial\n");
|
|
break;
|
|
case IVL_PR_ALWAYS:
|
|
fprintf(out, " always\n");
|
|
break;
|
|
}
|
|
|
|
fprintf(out, " STUB: process\n");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* $Log: stub.c,v $
|
|
* Revision 1.7 2000/09/18 01:24:32 steve
|
|
* Get the structure for ivl_statement_t worked out.
|
|
*
|
|
* Revision 1.6 2000/08/27 15:51:51 steve
|
|
* t-dll iterates signals, and passes them to the
|
|
* target module.
|
|
*
|
|
* Some of NetObj should return char*, not string.
|
|
*
|
|
* Revision 1.5 2000/08/26 00:54:03 steve
|
|
* Get at gate information for ivl_target interface.
|
|
*
|
|
* Revision 1.4 2000/08/20 04:13:57 steve
|
|
* Add ivl_target support for logic gates, and
|
|
* make the interface more accessible.
|
|
*
|
|
* Revision 1.3 2000/08/19 18:12:42 steve
|
|
* Add target calls for scope, events and logic.
|
|
*
|
|
* Revision 1.2 2000/08/14 04:39:57 steve
|
|
* add th t-dll functions for net_const, net_bufz and processes.
|
|
*
|
|
* Revision 1.1 2000/08/12 16:34:37 steve
|
|
* Start stub for loadable targets.
|
|
*
|
|
*/
|
|
|