xref: /freebsd/sys/arm/include/kdb.h (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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/cpu.h>
33 #include <machine/db_machdep.h>
34 #include <machine/frame.h>
35 #include <machine/psl.h>
36 
37 extern void kdb_cpu_clear_singlestep(void);
38 extern void kdb_cpu_set_singlestep(void);
39 boolean_t kdb_cpu_pc_is_singlestep(db_addr_t);
40 int kdb_cpu_set_watchpoint(vm_offset_t addr, size_t size, int access);
41 int kdb_cpu_clr_watchpoint(vm_offset_t addr, size_t size);
42 
43 static __inline void
44 kdb_cpu_sync_icache(unsigned char *addr, size_t size)
45 {
46 
47 	icache_sync((vm_offset_t)addr, size);
48 }
49 
50 static __inline void
51 kdb_cpu_trap(int type, int code)
52 {
53 }
54 
55 #endif /* _MACHINE_KDB_H_ */
56