diff options
author | dfr <dfr@FreeBSD.org> | 1997-06-02 08:19:06 +0000 |
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committer | dfr <dfr@FreeBSD.org> | 1997-06-02 08:19:06 +0000 |
commit | 6ba14cc686e7f472a6937088de33f356556bf759 (patch) | |
tree | c7c4bcee2063b32a59ec0918ff2f82386e367571 /sys/i386/isa/intr_machdep.h | |
parent | 33ddef35e6191fb2cd19ec096f2d855851331a45 (diff) | |
download | FreeBSD-src-6ba14cc686e7f472a6937088de33f356556bf759.zip FreeBSD-src-6ba14cc686e7f472a6937088de33f356556bf759.tar.gz |
Move interrupt handling code from isa.c to a new file. This should make
isa.c (slightly) more portable and will make my life developing the really
portable version much easier.
Reviewed by: peter, fsmp
Diffstat (limited to 'sys/i386/isa/intr_machdep.h')
-rw-r--r-- | sys/i386/isa/intr_machdep.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/sys/i386/isa/intr_machdep.h b/sys/i386/isa/intr_machdep.h new file mode 100644 index 0000000..a9a512e --- /dev/null +++ b/sys/i386/isa/intr_machdep.h @@ -0,0 +1,105 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * 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 the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. + * + * from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91 + * $Id: isa_device.h,v 1.39 1997/04/27 21:18:58 fsmp Exp $ + */ + +#ifndef _I386_ISA_INTR_MACHDEP_H_ +#define _I386_ISA_INTR_MACHDEP_H_ + +/* + * Low level interrupt code. + */ + +#ifdef KERNEL + +/* + * Type of the first (asm) part of an interrupt handler. + */ +typedef void inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss)); + +#define IDTVEC(name) __CONCAT(X,name) + +extern char eintrnames[]; /* end of intrnames[] */ +extern u_long intrcnt[]; /* counts for for each device and stray */ +extern char intrnames[]; /* string table containing device names */ +extern u_long *intr_countp[]; /* pointers into intrcnt[] */ +extern inthand2_t *intr_handler[]; /* C entry points of intr handlers */ +extern u_int intr_mask[]; /* sets of intrs masked during handling of 1 */ +extern int intr_unit[]; /* cookies to pass to intr handlers */ + +inthand_t + IDTVEC(fastintr0), IDTVEC(fastintr1), + IDTVEC(fastintr2), IDTVEC(fastintr3), + IDTVEC(fastintr4), IDTVEC(fastintr5), + IDTVEC(fastintr6), IDTVEC(fastintr7), + IDTVEC(fastintr8), IDTVEC(fastintr9), + IDTVEC(fastintr10), IDTVEC(fastintr11), + IDTVEC(fastintr12), IDTVEC(fastintr13), + IDTVEC(fastintr14), IDTVEC(fastintr15); +inthand_t + IDTVEC(intr0), IDTVEC(intr1), IDTVEC(intr2), IDTVEC(intr3), + IDTVEC(intr4), IDTVEC(intr5), IDTVEC(intr6), IDTVEC(intr7), + IDTVEC(intr8), IDTVEC(intr9), IDTVEC(intr10), IDTVEC(intr11), + IDTVEC(intr12), IDTVEC(intr13), IDTVEC(intr14), IDTVEC(intr15); + +/* these functions ONLY exist in an SMP/APIC_IO kernel: */ +inthand_t + IDTVEC(fastintr16), IDTVEC(fastintr17), + IDTVEC(fastintr18), IDTVEC(fastintr19), + IDTVEC(fastintr20), IDTVEC(fastintr21), + IDTVEC(fastintr22), IDTVEC(fastintr23); +inthand_t + IDTVEC(intr16), IDTVEC(intr17), IDTVEC(intr18), IDTVEC(intr19), + IDTVEC(intr20), IDTVEC(intr21), IDTVEC(intr22), IDTVEC(intr23); +#define XINVLTLB_OFFSET 32 +inthand_t + Xinvltlb; + +struct isa_device; + +void isa_defaultirq __P((void)); +int isa_irq_pending __P((struct isa_device *dvp)); +/* this function ONLY exists in an SMP/APIC_IO kernel: */ +int icu_irq_pending __P((struct isa_device *dvp)); +int isa_nmi __P((int cd)); +void update_intrname __P((int intr, int device_id)); +int icu_setup __P((int intr, inthand2_t *func, void *arg, + u_int *maskptr, int flags)); +int icu_unset __P((int intr, inthand2_t *handler)); +int update_intr_masks __P((void)); +void register_imask __P((struct isa_device *dvp, u_int mask)); + +#endif /* KERNEL */ + +#endif /* !_I386_ISA_INTR_MACHDEP_H_ */ |