73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
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/*
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* Copyright (c) 2000 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) && !defined(macintosh)
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#ident "$Id: sys_random.c,v 1.1 2000/05/04 03:37:59 steve Exp $"
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#endif
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# include <vpi_user.h>
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# include <assert.h>
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# include <stdlib.h>
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/*
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* Implement the $random system function. For now, ignore any
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* parameters and only produce a random number.
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*/
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static int sys_random_calltf(char*name)
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{
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s_vpi_value val;
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vpiHandle call_handle;
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call_handle = vpi_handle(vpiSysTfCall, 0);
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assert(call_handle);
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val.format = vpiIntVal;
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val.value.integer = random();
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vpi_put_value(call_handle, &val, 0, vpiNoDelay);
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return 0;
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}
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static int sys_random_sizetf(char*x)
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{
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return 32;
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}
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void sys_random_register()
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{
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s_vpi_systf_data tf_data;
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tf_data.type = vpiSysFunc;
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tf_data.tfname = "$random";
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tf_data.calltf = sys_random_calltf;
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tf_data.compiletf = 0;
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tf_data.sizetf = sys_random_sizetf;
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tf_data.user_data = "$random";
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vpi_register_systf(&tf_data);
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}
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/*
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* $Log: sys_random.c,v $
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* Revision 1.1 2000/05/04 03:37:59 steve
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* Add infrastructure for system functions, move
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* $time to that structure and add $random.
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*
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*/
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