1 /*- 2 * Copyright (c) 1997 Bruce Evans. 3 * Copyright (c) 2008 The DragonFly Project. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: src/sys/i386/isa/icu_ipl.h,v 1.3 1999/08/28 00:44:42 peter Exp $ 28 * $DragonFly: src/sys/platform/pc64/icu/icu_ipl.h,v 1.1 2008/08/29 17:07:16 dillon Exp $ 29 */ 30 31 #ifndef _ARCH_ICU_ICU_IPL_H_ 32 #define _ARCH_ICU_ICU_IPL_H_ 33 34 #include <machine_base/isa/isa_intr.h> 35 36 #define ICU_HWI_VECTORS ISA_IRQ_CNT 37 #define ICU_HWI_MASK ((1 << ICU_HWI_VECTORS) - 1) 38 39 #ifdef LOCORE 40 41 /* 42 * SMP interrupt mask protection. The first version is used 43 * when interrupts might not be disabled, the second version is 44 * used when interrupts are disabled. 45 */ 46 47 #define ICU_IMASK_LOCK \ 48 SPIN_LOCK(imen_spinlock) ; \ 49 50 #define ICU_IMASK_UNLOCK \ 51 SPIN_UNLOCK(imen_spinlock) ; \ 52 53 #endif /* LOCORE */ 54 55 #endif /* !_ARCH_ICU_ICU_IPL_H_ */ 56