iverilog/vpi/sys_deposit.c

136 lines
3.9 KiB
C

/*
* Copyright (c) 1999 Stephen Williams (steve@icarus.com)
* Copyright (c) 2000 Stephan Boettcher <stephan@nevis.columbia.edu>
*
* 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
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: sys_deposit.c,v 1.7 2007/03/14 04:05:51 steve Exp $"
#endif
# include "vpi_config.h"
# include "vpi_user.h"
# include <assert.h>
static PLI_INT32 sys_deposit_compiletf(PLI_BYTE8 *name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
vpiHandle target, value;
/* Check that there are arguments. */
if (argv == 0) {
vpi_printf("ERROR: %s requires two arguments.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
/* Check that there are at least two arguments. */
target = vpi_scan(argv); /* This should never be zero. */
value = vpi_scan(argv);
if (value == 0) {
vpi_printf("ERROR: %s requires two arguments.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
assert(target);
/* Check the targets type. It must be a net or a register. */
switch (vpi_get(vpiType, target)) {
case vpiNet:
case vpiReg:
break;
default:
vpi_printf("ERROR: invalid target type for %s.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
/* Check that there is at most two arguments. */
target = vpi_scan(argv);
if (target != 0) {
vpi_printf("ERROR: %s takes at most two arguments.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
return 0;
}
static PLI_INT32 sys_deposit_calltf(PLI_BYTE8 *name)
{
vpiHandle callh, argv, target, value;
s_vpi_value val;
callh = vpi_handle(vpiSysTfCall, 0);
argv = vpi_iterate(vpiArgument, callh);
target = vpi_scan(argv);
assert(target);
value = vpi_scan(argv);
assert(value);
val.format = vpiIntVal;
vpi_get_value(value, &val);
vpi_put_value(target, &val, 0, vpiNoDelay);
vpi_free_object(argv);
return 0;
}
void sys_deposit_register()
{
s_vpi_systf_data tf_data;
tf_data.type = vpiSysTask;
tf_data.tfname = "$deposit";
tf_data.calltf = sys_deposit_calltf;
tf_data.compiletf = sys_deposit_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$deposit";
vpi_register_systf(&tf_data);
}
/*
* $Log: sys_deposit.c,v $
* Revision 1.7 2007/03/14 04:05:51 steve
* VPI tasks take PLI_BYTE* by the standard.
*
* Revision 1.6 2006/10/30 22:45:37 steve
* Updates for Cygwin portability (pr1585922)
*
* Revision 1.5 2004/10/04 01:10:58 steve
* Clean up spurious trailing white space.
*
* Revision 1.4 2004/01/21 01:22:53 steve
* Give the vip directory its own configure and vpi_config.h
*
* Revision 1.3 2002/08/12 01:35:04 steve
* conditional ident string using autoconfig.
*
* Revision 1.2 2001/07/25 03:10:50 steve
* Create a config.h.in file to hold all the config
* junk, and support gcc 3.0. (Stephan Boettcher)
*
* Revision 1.1 2001/04/26 00:01:33 steve
* Support $deposit to a wire or reg.
*
*/