1/*-
 2 * Copyright (c) 2004 Marcel Moolenaar
 3 * All rights reserved.
 4 *
 5 * Redistribution and use in source and binary forms, with or without
 6 * modification, are permitted provided that the following conditions
 7 * are met:
 8 *
 9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef _MACHINE_KDB_H_
28#define _MACHINE_KDB_H_
29
30#include <machine/cpufunc.h>
31
32static __inline void
33kdb_cpu_clear_singlestep(void)
34{
35}
36
37static __inline void
38kdb_cpu_set_singlestep(void)
39{
40}
41
42static __inline void
43kdb_cpu_sync_icache(unsigned char *addr, size_t size)
44{
45
46	/*
47	 * Other CPUs flush their instruction cache when resuming from
48	 * IPI_STOP.
49	 */
50	fence_i();
51}
52
53static __inline void
54kdb_cpu_trap(int type, int code)
55{
56}
57
58static __inline int
59kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access)
60{
61
62	return (ENXIO);
63}
64
65static __inline int
66kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size)
67{
68
69	return (0);
70}
71
72#endif /* _MACHINE_KDB_H_ */