2 * Copyright (c) 1990 The Regents of the University of California.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * from: @(#)sys_machdep.c 5.5 (Berkeley) 1/19/91
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include "opt_capsicum.h"
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/capsicum.h>
41 #include <sys/sysproto.h>
42 #include <sys/syscall.h>
43 #include <sys/sysent.h>
45 #include <machine/sysarch.h>
47 #ifndef _SYS_SYSPROTO_H_
55 static int arm32_sync_icache (struct thread *, void *);
56 static int arm32_drain_writebuf(struct thread *, void *);
59 arm32_sync_icache(struct thread *td, void *args)
61 struct arm_sync_icache_args ua;
64 if ((error = copyin(args, &ua, sizeof(ua))) != 0)
67 cpu_icache_sync_range(ua.addr, ua.len);
74 arm32_drain_writebuf(struct thread *td, void *args)
84 arm32_set_tp(struct thread *td, void *args)
87 td->td_md.md_tp = (register_t)args;
88 #ifndef ARM_TP_ADDRESS
91 *(register_t *)ARM_TP_ADDRESS = (register_t)args;
97 arm32_get_tp(struct thread *td, void *args)
100 #ifndef ARM_TP_ADDRESS
101 td->td_retval[0] = td->td_md.md_tp;
103 td->td_retval[0] = *(register_t *)ARM_TP_ADDRESS;
111 register struct sysarch_args *uap;
115 #ifdef CAPABILITY_MODE
117 * When adding new operations, add a new case statement here to
118 * explicitly indicate whether or not the operation is safe to
119 * perform in capability mode.
121 if (IN_CAPABILITY_MODE(td)) {
123 case ARM_SYNC_ICACHE:
124 case ARM_DRAIN_WRITEBUF:
131 if (KTRPOINT(td, KTR_CAPFAIL))
132 ktrcapfail(CAPFAIL_SYSCALL, NULL, NULL);
140 case ARM_SYNC_ICACHE:
141 error = arm32_sync_icache(td, uap->parms);
143 case ARM_DRAIN_WRITEBUF:
144 error = arm32_drain_writebuf(td, uap->parms);
147 error = arm32_set_tp(td, uap->parms);
150 error = arm32_get_tp(td, uap->parms);