iverilog/tgt-fpga/device.h

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2001-08-28 06:14:20 +02:00
#ifndef __device_H
#define __device_H
/*
* Copyright (c) 2001 Stephen Williams (steve@icarus.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
*/
#ident "$Id: device.h,v 1.1 2001/08/28 04:14:20 steve Exp $"
# include <ivl_target.h>
/*
* This code generator supports a variety of device types. It does
* this by keeping a device "driver" structure for each device
* type. The device structure contains pointers to functions that emit
* the proper XNF for a given type of device.
*
* If a device supports a method, the function pointer is filled in
* with a pointer to the proper function.
*
* If a device inherits from a parent class, then it put a pointer to
* a function that invokes the parent method.
*
* If a device does not support the method, then the pointer is null.
*/
typedef const struct device_s* device_t;
struct device_s {
/* This is the parent device type. */
struct device_s* parent;
/* Draw basic logic devices. */
void (*show_logic)(ivl_net_logic_t net);
/* This method emits a D type Flip-Flop */
void (*show_dff)(ivl_lpm_t net);
};
/*
* $Log: device.h,v $
* Revision 1.1 2001/08/28 04:14:20 steve
* Add the fpga target.
*
*/
#endif