linux_sys_machdep.c revision 1.4.2.4 1 1.4.2.4 jdolecek /* $NetBSD: linux_sys_machdep.c,v 1.4.2.4 2002/06/23 17:44:05 jdolecek Exp $ */
2 1.4.2.2 jdolecek
3 1.4.2.2 jdolecek /*-
4 1.4.2.2 jdolecek * Copyright (c) 2002 Ben Harris
5 1.4.2.2 jdolecek * All rights reserved.
6 1.4.2.2 jdolecek *
7 1.4.2.2 jdolecek * Redistribution and use in source and binary forms, with or without
8 1.4.2.2 jdolecek * modification, are permitted provided that the following conditions
9 1.4.2.2 jdolecek * are met:
10 1.4.2.2 jdolecek * 1. Redistributions of source code must retain the above copyright
11 1.4.2.2 jdolecek * notice, this list of conditions and the following disclaimer.
12 1.4.2.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright
13 1.4.2.2 jdolecek * notice, this list of conditions and the following disclaimer in the
14 1.4.2.2 jdolecek * documentation and/or other materials provided with the distribution.
15 1.4.2.2 jdolecek * 3. The name of the author may not be used to endorse or promote products
16 1.4.2.2 jdolecek * derived from this software without specific prior written permission.
17 1.4.2.2 jdolecek *
18 1.4.2.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 1.4.2.2 jdolecek * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 1.4.2.2 jdolecek * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 1.4.2.2 jdolecek * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 1.4.2.2 jdolecek * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 1.4.2.2 jdolecek * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 1.4.2.2 jdolecek * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 1.4.2.2 jdolecek * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 1.4.2.2 jdolecek * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 1.4.2.2 jdolecek * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 1.4.2.2 jdolecek */
29 1.4.2.2 jdolecek
30 1.4.2.2 jdolecek #include <sys/param.h>
31 1.4.2.2 jdolecek
32 1.4.2.4 jdolecek __KERNEL_RCSID(0, "$NetBSD: linux_sys_machdep.c,v 1.4.2.4 2002/06/23 17:44:05 jdolecek Exp $");
33 1.4.2.2 jdolecek
34 1.4.2.2 jdolecek #include <sys/systm.h>
35 1.4.2.2 jdolecek
36 1.4.2.2 jdolecek #include <compat/linux/common/linux_types.h>
37 1.4.2.2 jdolecek #include <compat/linux/common/linux_signal.h>
38 1.4.2.2 jdolecek #include <compat/linux/common/linux_siginfo.h>
39 1.4.2.2 jdolecek #include <compat/linux/common/linux_machdep.h>
40 1.4.2.2 jdolecek #include <compat/linux/linux_syscallargs.h>
41 1.4.2.2 jdolecek
42 1.4.2.2 jdolecek #include <arm/cpufunc.h>
43 1.4.2.2 jdolecek
44 1.4.2.2 jdolecek int
45 1.4.2.2 jdolecek linux_sys_breakpoint(struct proc *p, void *v, register_t *retval)
46 1.4.2.2 jdolecek {
47 1.4.2.2 jdolecek
48 1.4.2.2 jdolecek trapsignal(p, SIGTRAP, 0);
49 1.4.2.2 jdolecek return ERESTART; /* Leave PC pointing back at the breakpoint. */
50 1.4.2.2 jdolecek }
51 1.4.2.2 jdolecek
52 1.4.2.2 jdolecek int
53 1.4.2.2 jdolecek linux_sys_cacheflush(struct proc *p, void *v, register_t *retval)
54 1.4.2.2 jdolecek {
55 1.4.2.4 jdolecek #ifndef acorn26
56 1.4.2.2 jdolecek struct linux_sys_cacheflush_args /* {
57 1.4.2.2 jdolecek syscallarg(uintptr_t) from;
58 1.4.2.2 jdolecek syscallarg(uintptr_t) to;
59 1.4.2.2 jdolecek } */ *uap = v;
60 1.4.2.2 jdolecek
61 1.4.2.2 jdolecek cpu_icache_sync_range(SCARG(uap, from),
62 1.4.2.2 jdolecek SCARG(uap, to) - SCARG(uap, from) + 1);
63 1.4.2.2 jdolecek #endif
64 1.4.2.2 jdolecek *retval = 0;
65 1.4.2.2 jdolecek return 0;
66 1.4.2.2 jdolecek }
67