NetBSD/sys/arch/amiga/include/mtpr.h
chopps 32dc3c5832 Many changes from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
Now use amiga HW for soft interrupts, non-contig options (2 or many chunks),
interrupt handler lists, 4066 ethernet, 1291 scsi, option to defer level 6
interrupts to level 4 (deal with icky built-in serial port)
1995-02-12 19:18:33 +00:00

75 lines
2.9 KiB
C

/* $NetBSD: mtpr.h,v 1.8 1995/02/12 19:19:37 chopps 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>
extern unsigned char ssir;
#define SIR_NET 0x1 /* call netintr */
#define SIR_CLOCK 0x2 /* call softclock */
#define SIR_CBACK 0x4 /* walk the sicallback-chain */
#define siroff(x) ssir &= ~(x)
#define setsoftint() (custom.intreq = INTF_SETCLR|INTF_SOFTINT)
#define clrsoftint() (custom.intreq = INTF_SOFTINT)
#define setsoftnet() (ssir |= SIR_NET, setsoftint())
#define setsoftclock() (ssir |= SIR_CLOCK, setsoftint())
#define setsoftcback() (ssir |= SIR_CBACK, setsoftint())
#endif /* KERNEL */
#endif /* !_MACHINE_MPTR_H_ */