1 /* $NetBSD: mtpr.h,v 1.4 1997/09/15 11:08:38 leo Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: mtpr.h 1.1 90/07/09$ 41 * 42 * @(#)mtpr.h 7.2 (Berkeley) 11/3/90 43 */ 44 45 #ifndef _MACHINE_MTPR_H_ 46 #define _MACHINE_MTPR_H_ 47 48 #ifdef _KERNEL 49 50 /* 51 * simulated software interrupt register 52 */ 53 54 extern volatile unsigned char ssir; 55 56 #define SIR_NET 0x1 /* call netintr() */ 57 #define SIR_CLOCK 0x2 /* call softclock() */ 58 #define SIR_CBACK 0x4 /* walk the sicallback-chain */ 59 60 #define siron(x) \ 61 __asm __volatile ("orb %0,%1" : : "di" ((u_char)(x)), "g" (ssir)) 62 #define siroff(x) \ 63 __asm __volatile ("andb %0,%1" : : "di" ((u_char)~(x)), "g" (ssir)) 64 65 #define setsoftnet() siron(SIR_NET) 66 #define setsoftclock() siron(SIR_CLOCK) 67 #define setsoftcback() siron(SIR_CBACK) 68 69 #endif /* _KERNEL */ 70 71 #endif /* !_MACHINE_MTPR_H_ */ 72