kdb.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD: stable/11/sys/arm/include/kdb.h 330897 2018-03-14 03:19:51Z eadler $
29 */
30
31#ifndef _MACHINE_KDB_H_
32#define _MACHINE_KDB_H_
33
34#include <machine/cpu.h>
35#include <machine/db_machdep.h>
36#include <machine/frame.h>
37#include <machine/psl.h>
38
39#define	KDB_STOPPEDPCB(pc)	&stoppcbs[pc->pc_cpuid]
40
41#if __ARM_ARCH >= 6
42extern void kdb_cpu_clear_singlestep(void);
43extern void kdb_cpu_set_singlestep(void);
44boolean_t kdb_cpu_pc_is_singlestep(db_addr_t);
45#else
46static __inline void
47kdb_cpu_clear_singlestep(void)
48{
49}
50
51static __inline void
52kdb_cpu_set_singlestep(void)
53{
54}
55#endif
56
57static __inline void
58kdb_cpu_sync_icache(unsigned char *addr, size_t size)
59{
60
61	icache_sync((vm_offset_t)addr, size);
62}
63
64static __inline void
65kdb_cpu_trap(int type, int code)
66{
67}
68
69#endif /* _MACHINE_KDB_H_ */
70