1 /* $NetBSD: sys_machdep.c,v 1.13 2000/12/13 18:13:11 jdolecek Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)sys_machdep.c 8.2 (Berkeley) 1/13/94 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/ioctl.h> 41 #include <sys/file.h> 42 #include <sys/time.h> 43 #include <sys/proc.h> 44 #include <sys/uio.h> 45 #include <sys/kernel.h> 46 #include <sys/buf.h> 47 #include <sys/mount.h> 48 #include <sys/syscallargs.h> 49 50 #include <uvm/uvm_extern.h> 51 52 #include <machine/cpu.h> 53 #include <sun3/sun3/machdep.h> 54 55 /* XXX should be in an include file somewhere */ 56 #define CC_PURGE 1 57 #define CC_FLUSH 2 58 #define CC_IPURGE 4 59 #define CC_EXTPURGE 0x80000000 60 /* XXX end should be */ 61 62 /*ARGSUSED1*/ 63 int 64 cachectl1(req, addr, len, p) 65 unsigned long req; 66 vaddr_t addr; 67 size_t len; 68 struct proc *p; 69 { 70 int error = 0; 71 72 /* XXX: What about our VAC machines? */ 73 switch (req) { 74 case CC_EXTPURGE|CC_PURGE: 75 case CC_EXTPURGE|CC_FLUSH: 76 /* fall into... */ 77 case CC_PURGE: 78 case CC_FLUSH: 79 DCIU(); 80 break; 81 case CC_EXTPURGE|CC_IPURGE: 82 DCIU(); 83 /* fall into... */ 84 case CC_IPURGE: 85 ICIA(); 86 break; 87 default: 88 error = EINVAL; 89 break; 90 } 91 return(error); 92 } 93 94 int 95 sys_sysarch(p, v, retval) 96 struct proc *p; 97 void *v; 98 register_t *retval; 99 { 100 struct sys_sysarch_args /* { 101 syscallarg(int) op; 102 syscallarg(void *) parms; 103 } */ *uap = v; 104 105 (void)uap->op; /* kill warning */ 106 return (ENOSYS); 107 } 108