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683523378c
isa.c (slightly) more portable and will make my life developing the really portable version much easier. Reviewed by: peter, fsmp
106 lines
4.2 KiB
C
106 lines
4.2 KiB
C
/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91
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* $Id: isa_device.h,v 1.39 1997/04/27 21:18:58 fsmp Exp $
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*/
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#ifndef _I386_ISA_INTR_MACHDEP_H_
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#define _I386_ISA_INTR_MACHDEP_H_
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/*
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* Low level interrupt code.
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*/
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#ifdef KERNEL
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/*
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* Type of the first (asm) part of an interrupt handler.
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*/
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typedef void inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
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#define IDTVEC(name) __CONCAT(X,name)
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extern char eintrnames[]; /* end of intrnames[] */
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extern u_long intrcnt[]; /* counts for for each device and stray */
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extern char intrnames[]; /* string table containing device names */
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extern u_long *intr_countp[]; /* pointers into intrcnt[] */
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extern inthand2_t *intr_handler[]; /* C entry points of intr handlers */
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extern u_int intr_mask[]; /* sets of intrs masked during handling of 1 */
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extern int intr_unit[]; /* cookies to pass to intr handlers */
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inthand_t
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IDTVEC(fastintr0), IDTVEC(fastintr1),
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IDTVEC(fastintr2), IDTVEC(fastintr3),
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IDTVEC(fastintr4), IDTVEC(fastintr5),
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IDTVEC(fastintr6), IDTVEC(fastintr7),
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IDTVEC(fastintr8), IDTVEC(fastintr9),
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IDTVEC(fastintr10), IDTVEC(fastintr11),
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IDTVEC(fastintr12), IDTVEC(fastintr13),
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IDTVEC(fastintr14), IDTVEC(fastintr15);
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inthand_t
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IDTVEC(intr0), IDTVEC(intr1), IDTVEC(intr2), IDTVEC(intr3),
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IDTVEC(intr4), IDTVEC(intr5), IDTVEC(intr6), IDTVEC(intr7),
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IDTVEC(intr8), IDTVEC(intr9), IDTVEC(intr10), IDTVEC(intr11),
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IDTVEC(intr12), IDTVEC(intr13), IDTVEC(intr14), IDTVEC(intr15);
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/* these functions ONLY exist in an SMP/APIC_IO kernel: */
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inthand_t
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IDTVEC(fastintr16), IDTVEC(fastintr17),
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IDTVEC(fastintr18), IDTVEC(fastintr19),
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IDTVEC(fastintr20), IDTVEC(fastintr21),
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IDTVEC(fastintr22), IDTVEC(fastintr23);
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inthand_t
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IDTVEC(intr16), IDTVEC(intr17), IDTVEC(intr18), IDTVEC(intr19),
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IDTVEC(intr20), IDTVEC(intr21), IDTVEC(intr22), IDTVEC(intr23);
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#define XINVLTLB_OFFSET 32
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inthand_t
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Xinvltlb;
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struct isa_device;
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void isa_defaultirq __P((void));
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int isa_irq_pending __P((struct isa_device *dvp));
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/* this function ONLY exists in an SMP/APIC_IO kernel: */
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int icu_irq_pending __P((struct isa_device *dvp));
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int isa_nmi __P((int cd));
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void update_intrname __P((int intr, int device_id));
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int icu_setup __P((int intr, inthand2_t *func, void *arg,
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u_int *maskptr, int flags));
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int icu_unset __P((int intr, inthand2_t *handler));
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int update_intr_masks __P((void));
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void register_imask __P((struct isa_device *dvp, u_int mask));
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#endif /* KERNEL */
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#endif /* !_I386_ISA_INTR_MACHDEP_H_ */
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