/* $NetBSD: intr.h,v 1.15.60.1 2023/08/09 17:42:04 martin Exp $ */ /*- * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Tohru Nishimura. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #ifndef _MACHINE_INTR_H #define _MACHINE_INTR_H #if defined(_KERNEL) || defined(_KMEMUSER) typedef struct { uint16_t _psl; } ipl_cookie_t; #endif #ifdef _KERNEL /* * spl functions */ #include #define spl0() _spl0() #define splnone() spl0() #define splsoftclock() splraise1() #define splsoftbio() splraise1() #define splsoftnet() splraise1() #define splsoftserial() splraise1() #define splvm() splraise4() #define splsched() splraise5() #define splhigh() spl7() #define IPL_NONE 0 #define IPL_SOFTCLOCK 1 #define IPL_SOFTBIO 2 #define IPL_SOFTNET 3 #define IPL_SOFTSERIAL 4 #define IPL_VM 5 #define IPL_SCHED 6 #define IPL_HIGH 7 #define NIPL 8 extern const uint16_t ipl2psl_table[NIPL]; typedef int ipl_t; static inline ipl_cookie_t makeiplcookie(ipl_t ipl) { return (ipl_cookie_t){._psl = ipl2psl_table[ipl]}; } static inline int splraiseipl(ipl_cookie_t icookie) { return _splraise(icookie._psl); } static inline void splx(int sr) { __asm volatile("movew %0,%%sr" : : "di" (sr)); } #endif /* _KERNEL */ #endif /* _MACHINE_INTR_H */