1 /* $NetBSD: sys_machdep.c,v 1.22 2013/09/07 15:56:11 tsutsui 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. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)sys_machdep.c 8.2 (Berkeley) 1/13/94
32 */
33
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: sys_machdep.c,v 1.22 2013/09/07 15:56:11 tsutsui Exp $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/ioctl.h>
40 #include <sys/file.h>
41 #include <sys/time.h>
42 #include <sys/proc.h>
43 #include <sys/uio.h>
44 #include <sys/kernel.h>
45 #include <sys/buf.h>
46 #include <sys/mount.h>
47 #include <sys/syscallargs.h>
48
49 #include <uvm/uvm_extern.h>
50
51 #include <machine/cpu.h>
52 #include <m68k/cacheops.h>
53
54 /* XXX should be in an include file somewhere */
55 #define CC_PURGE 1
56 #define CC_FLUSH 2
57 #define CC_IPURGE 4
58 #define CC_EXTPURGE 0x80000000
59 /* XXX end should be */
60
61 /*ARGSUSED1*/
62 int
cachectl1(unsigned long req,vaddr_t addr,size_t len,struct proc * p)63 cachectl1(unsigned long req, vaddr_t addr, size_t len, struct proc *p)
64 {
65 int error = 0;
66
67 /* XXX: What about our VAC machines? */
68 switch (req) {
69 case CC_EXTPURGE|CC_PURGE:
70 case CC_EXTPURGE|CC_FLUSH:
71 /* fall into... */
72 case CC_PURGE:
73 case CC_FLUSH:
74 DCIU();
75 break;
76 case CC_EXTPURGE|CC_IPURGE:
77 DCIU();
78 /* fall into... */
79 case CC_IPURGE:
80 ICIA();
81 break;
82 default:
83 error = EINVAL;
84 break;
85 }
86 return(error);
87 }
88
89 int
sys_sysarch(struct lwp * l,const struct sys_sysarch_args * uap,register_t * retval)90 sys_sysarch(struct lwp *l, const struct sys_sysarch_args *uap, register_t *retval)
91 {
92 /* {
93 syscallarg(int) op;
94 syscallarg(void *) parms;
95 } */
96
97 (void)uap->op; /* kill warning */
98 return (ENOSYS);
99 }
100