text: /*	$NetBSD: mtpr.h,v 1.15 2001/01/15 20:19:52 thorpej Exp $	*/
  
  /*
   * Copyright (c) 1988 University of Utah.
   * Copyright (c) 1990 The Regents of the University of California.
   * All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * the Systems Programming Group of the University of Utah Computer
   * Science Department.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   * from: Utah $Hdr: mtpr.h 1.1 90/07/09$
   *
   *	@(#)mtpr.h	7.2 (Berkeley) 11/3/90
   */
  #ifndef _MACHINE_MPTR_H_
  #define _MACHINE_MPTR_H_
  
  #ifdef _KERNEL
  /*
   * simulated software interrupt register (extends hardware
   * SOFTINT bit)
   */
  
  /*
   * this makes it pretty machine dependant. Should this go into
   * <amiga/amiga/mtpr.h> ?
   */
  #include <amiga/amiga/custom.h>
  #ifdef DRACO
  #include <amiga/amiga/drcustom.h>
  #include <m68k/include/asm_single.h>
  #endif
  
  extern unsigned char ssir;
  
  #define SIR_NET		0x1	/* call netintr */
  #define	SIR_CBACK	0x4	/* walk the sicallback-chain */
  
  #define siroff(x)	ssir &= ~(x)
  #ifdef DRACO
  #define setsoftint()	do { if (is_draco()) \
  				single_inst_bset_b(*draco_intfrc, DRIRQ_SOFT); \
  			    else \
  				custom.intreq = INTF_SETCLR|INTF_SOFTINT; \
  			} while (0)
  #define clrsoftint()	do { if (is_draco()) \
  				single_inst_bclr_b(*draco_intfrc, DRIRQ_SOFT); \
  			    else \
  				custom.intreq = INTF_SOFTINT; \
  			} while (0)
  #else
  #define setsoftint()	do {custom.intreq = INTF_SETCLR|INTF_SOFTINT;} while (0)
  #define clrsoftint()	do {custom.intreq = INTF_SOFTINT;} while (0)
  #endif
  
  #define setsoftnet()	do {ssir |= SIR_NET; setsoftint(); } while (0)
  #define setsoftcback()	do {ssir |= SIR_CBACK; setsoftint(); } while (0)
  
  void softintr_schedule __P((void *));
  void *softintr_establish __P((int,  void (*)(void *), void *));
  void softintr_disestablish __P((void *));
  
  #endif /* _KERNEL */
  
  #endif /* !_MACHINE_MPTR_H_ */
  