NetBSD/sys/arch/pmax/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

155 lines
5.0 KiB
C

/* $NetBSD: intr.h,v 1.18 2001/01/14 02:00:41 thorpej Exp $ */
/*
* Copyright (c) 1998 Jonathan Stone. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jonathan Stone for
* the NetBSD Project.
* 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 _PMAX_INTR_H_
#define _PMAX_INTR_H_
#define IPL_NONE 0 /* disable only this interrupt */
#define IPL_BIO 1 /* disable block I/O interrupts */
#define IPL_NET 2 /* disable network interrupts */
#define IPL_TTY 3 /* disable terminal interrupts */
#define IPL_CLOCK 4 /* disable clock interrupts */
#define IPL_STATCLOCK 5 /* disable profiling interrupts */
#define IPL_SERIAL 6 /* disable serial hardware interrupts */
#define IPL_DMA 7 /* disable DMA reload interrupts */
#define IPL_HIGH 8 /* disable all interrupts */
#ifdef _KERNEL
#ifndef _LOCORE
#include <mips/cpuregs.h>
int _splraise __P((int));
int _spllower __P((int));
int _splset __P((int));
int _splget __P((void));
void _splnone __P((void));
void _setsoftintr __P((int));
void _clrsoftintr __P((int));
#define splhigh() _splraise(MIPS_INT_MASK)
#define spl0() (void)_spllower(0)
#define splx(s) (void)_splset(s)
#define splbio() (_splraise(splvec.splbio))
#define splnet() (_splraise(splvec.splnet))
#define spltty() (_splraise(splvec.spltty))
#define splimp() (_splraise(splvec.splimp))
#define splvm() (_splraise(splvec.splimp))
#define splclock() (_splraise(splvec.splclock))
#define splstatclock() (_splraise(splvec.splstatclock))
#define spllowersoftclock() _spllower(MIPS_SOFT_INT_MASK_0)
#define splsoftclock() _splraise(MIPS_SOFT_INT_MASK_0)
#define splsoftnet() _splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
#define splsched() splhigh()
#define spllock() splhigh()
struct splvec {
int splbio;
int splnet;
int spltty;
int splimp;
int splclock;
int splstatclock;
};
extern struct splvec splvec;
/* Conventionals ... */
#define MIPS_SPLHIGH (MIPS_INT_MASK)
#define MIPS_SPL0 (MIPS_INT_MASK_0|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
#define MIPS_SPL1 (MIPS_INT_MASK_1|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
#define MIPS_SPL3 (MIPS_INT_MASK_3|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
#define MIPS_SPL_0_1 (MIPS_INT_MASK_1|MIPS_SPL0)
#define MIPS_SPL_0_1_2 (MIPS_INT_MASK_2|MIPS_SPL_0_1)
#define MIPS_SPL_0_1_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1)
#define MIPS_SPL_0_1_2_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1_2)
/*
* Index into intrcnt[], which is defined in locore
*/
extern u_long intrcnt[];
#define SOFTCLOCK_INTR 0
#define SOFTNET_INTR 1
#define SERIAL0_INTR 2
#define SERIAL1_INTR 3
#define LANCE_INTR 4
#define SCSI_INTR 5
#define ERROR_INTR 6
#define HARDCLOCK 7
#define FPU_INTR 8
#define SLOT0_INTR 9
#define SLOT1_INTR 10
#define SLOT2_INTR 11
#define DTOP_INTR 12
#define ISDN_INTR 13
#define FLOPPY_INTR 14
#define STRAY_INTR 15
struct intrhand {
int (*ih_func) __P((void *));
void *ih_arg;
};
extern struct intrhand intrtab[];
#define SYS_DEV_SCSI SCSI_INTR
#define SYS_DEV_LANCE LANCE_INTR
#define SYS_DEV_SCC0 SERIAL0_INTR
#define SYS_DEV_SCC1 SERIAL1_INTR
#define SYS_DEV_DTOP DTOP_INTR
#define SYS_DEV_FDC FLOPPY_INTR
#define SYS_DEV_ISDN ISDN_INTR
#define SYS_DEV_OPT0 SLOT0_INTR
#define SYS_DEV_OPT1 SLOT1_INTR
#define SYS_DEV_OPT2 SLOT2_INTR
#define SYS_DEV_BOGUS -1
#define MAX_DEV_NCOOKIES 16
/*
* software simulated interrupt
*/
extern unsigned ssir;
#define SIR_NET 0x1
#define setsoftnet() setsoft(SIR_NET)
#define setsoft(x) \
do { ssir |= (x); _setsoftintr(MIPS_SOFT_INT_MASK_1); } while (0)
#define setsoftclock() _setsoftintr(MIPS_SOFT_INT_MASK_0)
#endif /* !_LOCORE */
#endif /* _KERNEL */
#endif /* !_PMAX_INTR_H_ */