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iverilog/vpi/sys_icarus.c

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/*
* Copyright (C) 2008-2009 Cary R. (cygcary@yahoo.com)
*
* This program is free software; you can redistribute it and/or modify
* it 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <assert.h>
#include <vpi_user.h>
#include "sys_priv.h"
static PLI_INT32 finish_and_return_calltf(PLI_BYTE8* name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
vpiHandle arg;
s_vpi_value val;
(void) name; /* Not used! */
/* Get the return value. */
arg = vpi_scan(argv);
vpi_free_object(argv);
val.format = vpiIntVal;
vpi_get_value(arg, &val);
/* Set the return value. */
vpip_set_return_value(val.value.integer);
/* Now finish. */
vpi_control(vpiFinish, 1);
return 0;
}
static PLI_INT32 task_not_implemented_compiletf(PLI_BYTE8* name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpi_printf("%s:%d: SORRY: task %s() is not currently implemented.\n",
vpi_get_str(vpiFile, callh), (int)vpi_get(vpiLineNo, callh),
name);
vpi_control(vpiFinish, 1);
return 0;
}
/*
* This is used to warn the user that the specified optional system
* task/function is not available (from Annex C 1364-2005).
*/
static PLI_INT32 missing_optional_compiletf(PLI_BYTE8* name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpi_printf("%s:%d: SORRY: %s() is not available in Icarus verilog.\n",
vpi_get_str(vpiFile, callh), (int)vpi_get(vpiLineNo, callh),
name);
vpi_control(vpiFinish, 1);
return 0;
}
/*
* Register the function with Verilog.
*/
void sys_special_register(void)
{
s_vpi_systf_data tf_data;
tf_data.type = vpiSysTask;
tf_data.calltf = finish_and_return_calltf;
tf_data.compiletf = sys_one_numeric_arg_compiletf;
tf_data.sizetf = 0;
tf_data.tfname = "$finish_and_return";
tf_data.user_data = "$finish_and_return";
vpi_register_systf(&tf_data);
/* These tasks are not currently implemented. */
tf_data.type = vpiSysTask;
tf_data.calltf = 0;
tf_data.sizetf = 0;
tf_data.compiletf = task_not_implemented_compiletf;
tf_data.tfname = "$fmonitor";
tf_data.user_data = "$fmonitor";
vpi_register_systf(&tf_data);
tf_data.tfname = "$fmonitorb";
tf_data.user_data = "$fmonitorb";
vpi_register_systf(&tf_data);
tf_data.tfname = "$fmonitoro";
tf_data.user_data = "$fmonitoro";
vpi_register_systf(&tf_data);
tf_data.tfname = "$fmonitorh";
tf_data.user_data = "$fmonitorh";
vpi_register_systf(&tf_data);
tf_data.tfname = "$async$and$array";
tf_data.user_data = "$async$and$array";
vpi_register_systf(&tf_data);
tf_data.tfname = "$async$nand$array";
tf_data.user_data = "$async$nand$array";
vpi_register_systf(&tf_data);
tf_data.tfname = "$async$or$array";
tf_data.user_data = "$async$or$array";
vpi_register_systf(&tf_data);
tf_data.tfname = "$async$nor$array";
tf_data.user_data = "$async$nor$array";
vpi_register_systf(&tf_data);
tf_data.tfname = "$async$and$plane";
tf_data.user_data = "$async$and$plane";
vpi_register_systf(&tf_data);
tf_data.tfname = "$async$nand$plane";
tf_data.user_data = "$async$nand$plane";
vpi_register_systf(&tf_data);
tf_data.tfname = "$async$or$plane";
tf_data.user_data = "$async$or$plane";
vpi_register_systf(&tf_data);
tf_data.tfname = "$async$nor$plane";
tf_data.user_data = "$async$nor$plane";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sync$and$array";
tf_data.user_data = "$sync$and$array";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sync$nand$array";
tf_data.user_data = "$sync$nand$array";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sync$or$array";
tf_data.user_data = "$sync$or$array";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sync$nor$array";
tf_data.user_data = "$sync$nor$array";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sync$and$plane";
tf_data.user_data = "$sync$and$plane";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sync$nand$plane";
tf_data.user_data = "$sync$nand$plane";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sync$or$plane";
tf_data.user_data = "$sync$or$plane";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sync$nor$plane";
tf_data.user_data = "$sync$nor$plane";
vpi_register_systf(&tf_data);
tf_data.tfname = "$q_initialize";
tf_data.user_data = "$q_initialize";
vpi_register_systf(&tf_data);
tf_data.tfname = "$q_add";
tf_data.user_data = "$q_add";
vpi_register_systf(&tf_data);
tf_data.tfname = "$q_remove";
tf_data.user_data = "$q_remove";
vpi_register_systf(&tf_data);
tf_data.tfname = "$q_full";
tf_data.user_data = "$q_full";
vpi_register_systf(&tf_data);
tf_data.tfname = "$q_exam";
tf_data.user_data = "$q_exam";
vpi_register_systf(&tf_data);
tf_data.tfname = "$dumpports";
tf_data.user_data = "$dumpports";
vpi_register_systf(&tf_data);
tf_data.tfname = "$dumpportsoff";
tf_data.user_data = "$dumpportsoff";
vpi_register_systf(&tf_data);
tf_data.tfname = "$dumpportson";
tf_data.user_data = "$dumpportson";
vpi_register_systf(&tf_data);
tf_data.tfname = "$dumpportsall";
tf_data.user_data = "$dumpportsall";
vpi_register_systf(&tf_data);
tf_data.tfname = "$dumpportslimit";
tf_data.user_data = "$dumpportslimit";
vpi_register_systf(&tf_data);
tf_data.tfname = "$dumpportsflush";
tf_data.user_data = "$dumpportsflush";
vpi_register_systf(&tf_data);
/* The following optional system tasks/functions are not implemented
* in Icarus Verilog (from Annex C 1364-2005). */
tf_data.type = vpiSysTask;
tf_data.calltf = 0;
tf_data.sizetf = 0;
tf_data.compiletf = missing_optional_compiletf;
tf_data.tfname = "$input";
tf_data.user_data = "$input";
vpi_register_systf(&tf_data);
tf_data.tfname = "$key";
tf_data.user_data = "$key";
vpi_register_systf(&tf_data);
tf_data.tfname = "$nokey";
tf_data.user_data = "$nokey";
vpi_register_systf(&tf_data);
tf_data.tfname = "$list";
tf_data.user_data = "$list";
vpi_register_systf(&tf_data);
tf_data.tfname = "$log";
tf_data.user_data = "$log";
vpi_register_systf(&tf_data);
tf_data.tfname = "$nolog";
tf_data.user_data = "$nolog";
vpi_register_systf(&tf_data);
tf_data.tfname = "$save";
tf_data.user_data = "$save";
vpi_register_systf(&tf_data);
tf_data.tfname = "$restart";
tf_data.user_data = "$restart";
vpi_register_systf(&tf_data);
tf_data.tfname = "$incsave";
tf_data.user_data = "$incsave";
vpi_register_systf(&tf_data);
tf_data.tfname = "$scope";
tf_data.user_data = "$scope";
vpi_register_systf(&tf_data);
tf_data.tfname = "$showscopes";
tf_data.user_data = "$showscopes";
vpi_register_systf(&tf_data);
tf_data.tfname = "$showvars";
tf_data.user_data = "$showvars";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sreadmemb";
tf_data.user_data = "$sreadmemb";
vpi_register_systf(&tf_data);
tf_data.tfname = "$sreadmemh";
tf_data.user_data = "$sreadmemh";
vpi_register_systf(&tf_data);
/* Optional functions. */
tf_data.type = vpiSysFunc;
tf_data.sysfunctype = vpiIntFunc;
tf_data.tfname = "$countdrivers";
tf_data.user_data = "$countdrivers";
vpi_register_systf(&tf_data);
tf_data.tfname = "$getpattern";
tf_data.user_data = "$getpattern";
vpi_register_systf(&tf_data);
tf_data.tfname = "$scale";
tf_data.user_data = "$scale";
vpi_register_systf(&tf_data);
}
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