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 * $FreeBSD$
27 */
28
29#ifndef _MACHINE_KDB_H_
30#define _MACHINE_KDB_H_
31
32#include <machine/cpu.h>
33#include <machine/db_machdep.h>
34#include <machine/frame.h>
35#include <machine/psl.h>
36
37#define	KDB_STOPPEDPCB(pc)	&stoppcbs[pc->pc_cpuid]
38
39#if __ARM_ARCH >= 6
40extern void kdb_cpu_clear_singlestep(void);
41extern void kdb_cpu_set_singlestep(void);
42boolean_t kdb_cpu_pc_is_singlestep(db_addr_t);
43#else
44static __inline void
45kdb_cpu_clear_singlestep(void)
46{
47}
48
49static __inline void
50kdb_cpu_set_singlestep(void)
51{
52}
53#endif
54
55static __inline void
56kdb_cpu_sync_icache(unsigned char *addr, size_t size)
57{
58
59	icache_sync((vm_offset_t)addr, size);
60}
61
62static __inline void
63kdb_cpu_trap(int type, int code)
64{
65}
66
67#endif /* _MACHINE_KDB_H_ */
68