iverilog/libveriuser/putp.c

143 lines
3.5 KiB
C

/*
* Copyright (c) 2002-2009 Michael Ruff (mruff at chiaro.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
*/
# include <assert.h>
# include <veriuser.h>
# include <vpi_user.h>
# include "priv.h"
/*
* tf_putp and friends implemented using VPI interface
*/
PLI_INT32 tf_iputp(PLI_INT32 n, PLI_INT32 value, void *obj)
{
vpiHandle sys_h, sys_i, arg_h = 0;
s_vpi_value val;
int rtn = 0, type;
assert(n >= 0);
/* get task/func handle */
sys_h = (vpiHandle)obj;
type = vpi_get(vpiType, sys_h);
/* Special case, we are putting the return value. */
if ((type == vpiSysFuncCall) && (n == 0)) {
val.format = vpiIntVal;
val.value.integer = value;
vpi_put_value(sys_h, &val, 0, vpiNoDelay);
if (pli_trace) {
fprintf(pli_trace, "tf_iputp(<return>, value=%d, func=%s) "
"--> %d\n", (int)value, vpi_get_str(vpiName, obj), 0);
}
return 0;
}
if ((n == 0) && (type != vpiSysFuncCall)) {
if (pli_trace) {
fprintf(pli_trace, "tf_iputp(<ERROR>, value=%d, func=%s) "
"--> %d\n", (int)value, vpi_get_str(vpiName, obj), 1);
}
return 1;
}
sys_i = vpi_iterate(vpiArgument, sys_h);
/* find nth arg */
while (n > 0) {
if (!(arg_h = vpi_scan(sys_i))) { rtn = 1; goto out; }
n--;
}
/* fill in vpi_value */
val.format = vpiIntVal;
val.value.integer = value;
vpi_put_value(arg_h, &val, 0, vpiNoDelay);
if (arg_h)
vpi_free_object(sys_i);
out:
if (pli_trace) {
fprintf(pli_trace, "tf_iputp(n=%d, value=%d, obj=%p) --> %d\n",
(int)n, (int)value, obj, rtn);
}
return rtn;
}
PLI_INT32 tf_putp(PLI_INT32 n, PLI_INT32 value)
{
int rtn = tf_iputp(n, value, vpi_handle(vpiSysTfCall, 0));
return rtn;
}
PLI_INT32 tf_iputrealp(PLI_INT32 n, double value, void *obj)
{
vpiHandle sys_h, sys_i, arg_h = 0;
s_vpi_value val;
int rtn = 0, type;
assert(n >= 0);
/* get task/func handle */
sys_h = (vpiHandle)obj;
sys_i = vpi_iterate(vpiArgument, sys_h);
type = vpi_get(vpiType, sys_h);
/* verify function */
if (n == 0 && type != vpiSysFuncCall) { rtn = 1; goto free; }
/* find nth arg */
while (n > 0) {
if (!(arg_h = vpi_scan(sys_i))) { rtn = 1; goto out; }
n--;
}
if (!arg_h) arg_h = sys_h;
/* fill in vpi_value */
val.format = vpiRealVal;
val.value.real = value;
vpi_put_value(arg_h, &val, 0, vpiNoDelay);
free:
vpi_free_object(sys_i);
out:
if (pli_trace) {
fprintf(pli_trace, "tf_iputrealp(n=%d, value=%f, obj=%p) --> %d\n",
(int)n, value, obj, rtn);
}
return rtn;
}
PLI_INT32 tf_putrealp(PLI_INT32 n, double value)
{
int rtn = tf_iputrealp(n, value, vpi_handle(vpiSysTfCall, 0));
return rtn;
}