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/* $OpenBSD: intr.h,v 1.12 2003/01/13 20:12:16 miod Exp $ */
/*
* Copyright (C) 2000 Steve Murphree, Jr.
* All rights reserved.
*
* 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. 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 _MVME88K_INTR_H_
#define _MVME88K_INTR_H_
/*
* INTERRUPT STAT levels. for 'systat vmstat'
* intrcnt and friends are defined in locore.S
* XXX smurph
*/
#ifndef _LOCORE
#define M88K_NIRQ 12
#define M88K_SPUR_IRQ 0
#define M88K_LEVEL1_IRQ 1
#define M88K_LEVEL2_IRQ 2
#define M88K_LEVEL3_IRQ 3
#define M88K_LEVEL4_IRQ 4
#define M88K_LEVEL5_IRQ 5
#define M88K_LEVEL6_IRQ 6
#define M88K_LEVEL7_IRQ 7
/*
* We keep track of these separately, but
* they will be reflected with the above also.
*/
#define M88K_CLK_IRQ 8
#define M88K_SCLK_IRQ 9
#define M88K_PCLK_IRQ 10
#define M88K_NMI_IRQ 11
extern int intrcnt[M88K_NIRQ];
#endif
/*
* IPL levels.
* We use 6 as IPL_HIGH so that abort can be programmed at 7 so that
* it is always possible to break into the system unless interrupts
* are disabled.
*/
#define IPL_NONE 0
#define IPL_SOFTCLOCK 1
#define IPL_SOFTNET 1
#define IPL_BIO 2
#define IPL_NET 3
#define IPL_IMP 3
#define IPL_TTY 3
#define IPL_VM 3
#define IPL_CLOCK 5
#define IPL_STATCLOCK 5
#define IPL_HIGH 6
#define IPL_NMI 7
#define IPL_ABORT 7
#ifdef _KERNEL
#ifndef _LOCORE
unsigned setipl(unsigned level);
int spl0(void);
/* needs major cleanup - XXX nivas */
/* SPL asserts */
#ifdef DIAGNOSTIC
/*
* Although this function is implemented in MI code, it must be in this MD
* header because we don't want this header to include MI includes.
*/
void splassert_fail(int, int, const char *);
extern int splassert_ctl;
void splassert_check(int, const char *);
#define splassert(__wantipl) do { \
if (__predict_false(splassert_ctl > 0)) { \
splassert_check(__wantipl, __func__); \
} \
} while (0)
#else
#define splassert(wantipl) do { /* nothing */ } while (0)
#endif
#endif /* _LOCORE */
#if 0
spl0 is a function by itself. I really am serious about the clean up
above...
#define spl0() spln(0)
#endif /* 0 */
#define spl1() setipl(1)
#define spl2() setipl(2)
#define spl3() setipl(3)
#define spl4() setipl(4)
#define spl5() setipl(5)
#define spl6() setipl(6)
#define spl7() setipl(7)
#define splnone spl0
#define spllowersoftclock() setipl(IPL_SOFTCLOCK)
#define splsoftclock() setipl(IPL_SOFTCLOCK)
#define splsoftnet() setipl(IPL_SOFTNET)
#define splbio() setipl(IPL_BIO)
#define splnet() setipl(IPL_NET)
#define spltty() setipl(IPL_TTY)
#define splclock() setipl(IPL_CLOCK)
#define splstatclock() setipl(IPL_STATCLOCK)
#define splimp() setipl(IPL_IMP)
#define splvm() setipl(IPL_VM)
#define splhigh() setipl(IPL_HIGH)
#define splx(x) ((x) ? setipl((x)) : spl0())
#endif /* _KERNEL */
#endif /* _MVME88K_INTR_H_ */
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