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[openocd] / src / target / breakpoints.h
1 /***************************************************************************
2  *   Copyright (C) 2005 by Dominic Rath                                    *
3  *   Dominic.Rath@gmx.de                                                   *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
17  ***************************************************************************/
18
19 #ifndef BREAKPOINTS_H
20 #define BREAKPOINTS_H
21
22 struct target;
23
24 enum breakpoint_type {
25         BKPT_HARD,
26         BKPT_SOFT,
27 };
28
29 enum watchpoint_rw {
30         WPT_READ = 0, WPT_WRITE = 1, WPT_ACCESS = 2
31 };
32
33 struct breakpoint {
34         uint32_t address;
35         uint32_t asid;
36         int length;
37         enum breakpoint_type type;
38         int set;
39         uint8_t *orig_instr;
40         struct breakpoint *next;
41         uint32_t unique_id;
42         int linked_BRP;
43 };
44
45 struct watchpoint {
46         uint32_t address;
47         uint32_t length;
48         uint32_t mask;
49         uint32_t value;
50         enum watchpoint_rw rw;
51         int set;
52         struct watchpoint *next;
53         int unique_id;
54 };
55
56 void breakpoint_clear_target(struct target *target);
57 int breakpoint_add(struct target *target,
58                 uint32_t address, uint32_t length, enum breakpoint_type type);
59 int context_breakpoint_add(struct target *target,
60                 uint32_t asid, uint32_t length, enum breakpoint_type type);
61 int hybrid_breakpoint_add(struct target *target,
62                 uint32_t address, uint32_t asid, uint32_t length, enum breakpoint_type type);
63 void breakpoint_remove(struct target *target, uint32_t address);
64
65 struct breakpoint *breakpoint_find(struct target *target, uint32_t address);
66
67 void watchpoint_clear_target(struct target *target);
68 int watchpoint_add(struct target *target,
69                 uint32_t address, uint32_t length,
70                 enum watchpoint_rw rw, uint32_t value, uint32_t mask);
71 void watchpoint_remove(struct target *target, uint32_t address);
72
73 /* report type and address of just hit watchpoint */
74 int watchpoint_hit(struct target *target, enum watchpoint_rw *rw, uint32_t *address);
75
76 #endif /* BREAKPOINTS_H */