fc311b7702
when building a MODULAR kernel or compiling _MODULE. It should be noted that MODULAR or _MODULE export a view of the kernel as being MULTIPROCESSOR (even if isn't). The shared pmap TLB uses mdpg in places where it used mdpg to avoid deadly embrance inclusion problems.
135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/* $NetBSD: intr.h,v 1.9 2011/06/20 20:24:28 matt Exp $ */
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/*-
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* Copyright (c) 2007 Michael Lorenz
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LOCORE
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: intr.h,v 1.9 2011/06/20 20:24:28 matt Exp $");
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#endif
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#ifndef POWERPC_INTR_MACHDEP_H
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#define POWERPC_INTR_MACHDEP_H
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#define __HAVE_FAST_SOFTINTS 1
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/* Interrupt priority `levels'. */
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#define IPL_NONE 0 /* nothing */
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#define IPL_SOFTCLOCK 1 /* timeouts */
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#define IPL_SOFTBIO 2 /* block I/O */
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#define IPL_SOFTNET 3 /* protocol stacks */
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#define IPL_SOFTSERIAL 4 /* serial */
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#define IPL_VM 5 /* memory allocation */
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#define IPL_SCHED 6
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#define IPL_HIGH 7 /* everything */
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#define NIPL 8
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/* Interrupt sharing types. */
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#define IST_NONE 0 /* none */
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#define IST_PULSE 1 /* pulsed */
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#define IST_EDGE 2 /* edge-triggered */
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#define IST_LEVEL 3 /* level-triggered */
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#if !defined(_LOCORE)
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void * intr_establish(int, int, int, int (*)(void *), void *);
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void intr_disestablish(void *);
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const char *
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intr_typename(int);
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int splraise(int);
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int spllower(int);
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void splx(int);
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#if !defined(_MODULE)
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void genppc_cpu_configure(void);
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/*
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* Interrupt handler chains. intr_establish() inserts a handler into
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* the list. The handler is called with its (single) argument.
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*/
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struct intrhand {
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int (*ih_fun)(void *);
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void *ih_arg;
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struct intrhand *ih_next;
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int ih_ipl;
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int ih_virq;
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};
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void softint_fast_dispatch(struct lwp *, int);
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#define softint_init_md powerpc_softint_init_md
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#define softint_trigger powerpc_softint_trigger
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#ifdef __IMASK_T
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typedef __IMASK_T imask_t;
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#else
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typedef uint32_t imask_t;
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#endif
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extern imask_t imask[];
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#define NVIRQ (sizeof(imask_t)*8) /* 32 virtual IRQs */
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#ifndef NIRQ
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#define NIRQ 128 /* up to 128 HW IRQs */
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#endif
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#define HWIRQ_MAX (NVIRQ - 1)
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#define HWIRQ_MASK (~(imask_t)0 >> 1)
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#define PIC_VIRQ_TO_MASK(v) __BIT(HWIRQ_MAX - (v))
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#define PIC_VIRQ_MS_PENDING(p) __builtin_clz(p)
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#endif /* !_MODULE */
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#define spl0() spllower(0)
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typedef int ipl_t;
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typedef struct {
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ipl_t _ipl;
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} ipl_cookie_t;
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static inline ipl_cookie_t
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makeiplcookie(ipl_t ipl)
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{
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return (ipl_cookie_t){._ipl = ipl};
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}
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static inline int
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splraiseipl(ipl_cookie_t icookie)
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{
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return splraise(icookie._ipl);
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}
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#include <sys/spl.h>
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#endif /* _LOCORE */
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#endif /* POWERPC_INTR_MACHDEP_H */
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