1 /* $NetBSD: intr.h,v 1.9 2008/04/28 20:23:31 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe, UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _PLAYSTATION2_INTR_H_ 33 #define _PLAYSTATION2_INTR_H_ 34 #ifdef _KERNEL 35 36 #include <mips/locore.h> 37 38 /* Interrupt sharing types. */ 39 #define IST_NONE 0 /* none */ 40 #define IST_PULSE 1 /* pulsed */ 41 #define IST_EDGE 2 /* edge-triggered */ 42 #define IST_LEVEL 3 /* level-triggered */ 43 44 /* Interrupt priority levels */ 45 #define IPL_NONE 0 /* nothing */ 46 #define IPL_SOFTCLOCK 1 /* timeouts */ 47 #define IPL_SOFTBIO 1 /* bio */ 48 #define IPL_SOFTNET 2 /* protocol stacks */ 49 #define IPL_SOFTSERIAL 2 /* serial */ 50 #define IPL_VM 3 /* i/o */ 51 #define IPL_SCHED 4 /* clock */ 52 #define IPL_HIGH 4 /* everything */ 53 54 #define _IPL_NSOFT 4 55 #define _IPL_N 5 56 57 /* 58 * Hardware interrupt masks 59 */ 60 extern u_int32_t __icu_mask[_IPL_N]; 61 62 #define splsoftclock() splraise(__icu_mask[IPL_SOFTCLOCK]) 63 #define splsoftbio() splraise(__icu_mask[IPL_SOFTBIO]) 64 #define splsoftnet() splraise(__icu_mask[IPL_SOFTNET]) 65 #define splsoftserial() splraise(__icu_mask[IPL_SOFTSERIAL]) 66 #define splvm() splraise(__icu_mask[IPL_VM]) 67 #define splsched() splraise(__icu_mask[IPL_SCHED]) 68 #define splx(s) splset(s) 69 70 void spllowersofthigh(void); 71 72 int splraise(int); 73 void splset(int); 74 void spl0(void); 75 76 /* R5900 EI/DI instruction */ 77 int _intr_suspend(void); 78 void _intr_resume(int); 79 80 #endif /* _KERNEL */ 81 #endif /* _PLAYSTATION2_INTR_H_ */ 82