124 lines
3.1 KiB
C
124 lines
3.1 KiB
C
/*
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* Copyright (c) 1999 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: vpi_signal.c,v 1.5 1999/11/07 20:33:30 steve Exp $"
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#endif
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# include "vpi_priv.h"
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# include <assert.h>
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static int signal_get(int code, vpiHandle ref)
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{
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struct __vpiSignal*rfp = (struct __vpiSignal*)ref;
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assert((ref->vpi_type->type_code==vpiNet)
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|| (ref->vpi_type->type_code==vpiReg));
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switch (code) {
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case vpiSize:
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return rfp->nbits;
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default:
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return 0;
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}
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}
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static char* signal_get_str(int code, vpiHandle ref)
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{
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struct __vpiSignal*rfp = (struct __vpiSignal*)ref;
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assert((ref->vpi_type->type_code==vpiNet)
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|| (ref->vpi_type->type_code==vpiReg));
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switch (code) {
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case vpiFullName:
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return (char*)rfp->name;
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}
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return 0;
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}
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static void signal_get_value(vpiHandle ref, s_vpi_value*vp)
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{
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struct __vpiSignal*rfp = (struct __vpiSignal*)ref;
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assert((ref->vpi_type->type_code==vpiNet)
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|| (ref->vpi_type->type_code==vpiReg));
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vpip_bits_get_value(rfp->bits, rfp->nbits, vp);
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}
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static const struct __vpirt vpip_net_rt = {
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vpiNet,
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signal_get,
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signal_get_str,
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signal_get_value,
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0,
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0
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};
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vpiHandle vpip_make_net(struct __vpiSignal*ref, const char*name)
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{
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ref->base.vpi_type = &vpip_net_rt;
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ref->name = name;
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ref->monitor = 0;
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return &(ref->base);
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}
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static const struct __vpirt vpip_reg_rt = {
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vpiReg,
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signal_get,
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signal_get_str,
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signal_get_value,
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0,
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0
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};
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vpiHandle vpip_make_reg(struct __vpiSignal*ref, const char*name)
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{
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ref->base.vpi_type = &vpip_reg_rt;
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ref->name = name;
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ref->monitor = 0;
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return &(ref->base);
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}
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/*
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* $Log: vpi_signal.c,v $
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* Revision 1.5 1999/11/07 20:33:30 steve
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* Add VCD output and related system tasks.
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*
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* Revision 1.4 1999/11/07 02:25:08 steve
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* Add the $monitor implementation.
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*
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* Revision 1.3 1999/11/06 16:52:16 steve
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* complete value retrieval for number constants.
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*
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* Revision 1.2 1999/10/29 03:37:22 steve
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* Support vpiValueChance callbacks.
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*
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* Revision 1.1 1999/10/28 00:47:25 steve
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* Rewrite vvm VPI support to make objects more
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* persistent, rewrite the simulation scheduler
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* in C (to interface with VPI) and add VPI support
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* for callbacks.
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*
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*/
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