NetBSD/sys/arch/news68k/include/intr.h
thorpej d85a75f583 Make sure everybody has an splvm() and equate it with splimp() (splimp()
is the historical name for this interrupt level, and the historical name
is going to go away in the near future).
2001-01-14 02:00:37 +00:00

93 lines
3.2 KiB
C

/* $NetBSD: intr.h,v 1.6 2001/01/14 02:00:41 thorpej Exp $ */
/*
*
* Copyright (c) 1998 NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Minoura Makoto and Jason R. Thorpe.
*
* 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 NetBSD Foundation
* Inc. and its contributers.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#ifndef _NEWS68K_INTR_H_
#define _NEWS68K_INTR_H_
#include <machine/psl.h>
#include <m68k/asm_single.h>
#ifdef _KERNEL
/*
* news68k can handle software interrupts by its own hardware
* so has no need to check for any simulated interrupts, etc.
*/
#define spl0() _spl0()
#define splx(s) _spl(s)
#define spllowersoftclock() spl2()
#define splsoft() splraise2()
#define splsoftclock() splsoft()
#define splsoftnet() splsoft()
#define splbio() splraise4()
#define splnet() splraise4()
#define spltty() splraise5()
#define splimp() splraise5()
#define splvm() splraise5()
#define splserial() splraise5()
#define splclock() splraise6()
#define splstatclock() splclock()
#define splhigh() spl7()
#define splsched() spl7()
#define spllock() spl7()
/*
* simulated software interrupt register
*/
extern u_char ssir;
extern volatile u_char *ctrl_int2;
#define NSIR (sizeof(ssir) * 8)
#define SIR_NET 0
#define SIR_CLOCK 1
#define NEXT_SIR 2
#define siron(x) single_inst_bset_b((ssir), (x))
#define siroff(x) single_inst_bclr_b((ssir), (x))
#define setsoftint(x) do { \
siron(x); \
*ctrl_int2 = 0xff; \
} while (0)
#define setsoftnet() setsoftint(1 << SIR_NET)
#define setsoftclock() setsoftint(1 << SIR_CLOCK)
u_char allocate_sir __P((void (*)(void *), void *));
void init_sir __P((void));
#endif /* _KERNEL */
#endif /* _NEWS68K_INTR_H_ */