1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2004 Marcel Moolenaar
5 * 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 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _MACHINE_KDB_H_
30#define _MACHINE_KDB_H_
31
32#include <machine/frame.h>
33#include <machine/psl.h>
34
35int kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access);
36int kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size);
37
38static __inline void
39kdb_cpu_clear_singlestep(void)
40{
41	kdb_frame->tf_rflags &= ~PSL_T;
42}
43
44static __inline void
45kdb_cpu_set_singlestep(void)
46{
47	kdb_frame->tf_rflags |= PSL_T;
48}
49
50static __inline void
51kdb_cpu_sync_icache(unsigned char *addr, size_t size)
52{
53}
54
55static __inline void
56kdb_cpu_trap(int type, int code)
57{
58}
59
60#endif /* _MACHINE_KDB_H_ */
61