NetBSD/sys/arch/pmax/include/intr.h

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_ */