kdb.h revision 331722 
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: stable/11/sys/i386/include/kdb.h 331722 2018-03-29 02:50:57Z eadler $
27 */
28
29#ifndef _MACHINE_KDB_H_
30#define _MACHINE_KDB_H_
31
32#include <machine/frame.h>
33#include <machine/psl.h>
34
35#define	KDB_STOPPEDPCB(pc)	&stoppcbs[pc->pc_cpuid]
36
37static __inline void
38kdb_cpu_clear_singlestep(void)
39{
40	kdb_frame->tf_eflags &= ~PSL_T;
41}
42
43static __inline void
44kdb_cpu_set_singlestep(void)
45{
46	kdb_frame->tf_eflags |= PSL_T;
47}
48
49static __inline void
50kdb_cpu_sync_icache(unsigned char *addr, size_t size)
51{
52}
53
54static __inline void
55kdb_cpu_trap(int type, int code)
56{
57}
58
59#endif /* _MACHINE_KDB_H_ */
60